pax_global_header00006660000000000000000000000064121763730560014524gustar00rootroot0000000000000052 comment=42f20630c3e67f083929492babf456a1d4bac770 pacemaker-master/000077500000000000000000000000001217637305600143115ustar00rootroot00000000000000pacemaker-master/.gitattributes000066400000000000000000000000321217637305600171770ustar00rootroot00000000000000configure.ac export-subst pacemaker-master/.gitignore000066400000000000000000000040671217637305600163100ustar00rootroot00000000000000# Common \#* .\#* GPATH GRTAGS GTAGS TAGS Makefile Makefile.in .deps .libs *.pc *.pyc *.bz2 *.rpm *.la *.lo *.o *~ *.gcda *.gcno # Autobuild aclocal.m4 autoconf autoheader autom4te.cache/ automake build.counter compile config.guess config.log config.status config.sub configure depcomp install-sh include/stamp-* libltdl.tar libtool libtool.m4 ltdl.m4 ltmain.sh missing py-compile m4/ltoptions.m4 m4/ltsugar.m4 m4/ltversion.m4 m4/lt~obsolete.m4 # Configure targets cts/CTSvars.py cts/LSBDummy cts/benchmark/clubench include/config.h include/config.h.in include/crm_config.h mcp/pacemaker mcp/pacemaker.service pengine/regression.core.sh publican.cfg shell/modules/help.py shell/modules/ra.py shell/modules/ui.py shell/modules/vars.py tools/coverage.sh tools/crm_report lrmd/regression.py fencing/regression.py # Build targets *.7 *.7.xml *.7.html *.8 *.8.xml *.8.html doc/*/en-US/images/*.png doc/*/tmp/** doc/*/publish cib/cib cib/cibmon cib/cibpipe crmd/atest crmd/crmd doc/Clusters_from_Scratch.txt doc/Pacemaker_Explained.txt doc/acls.html doc/crm_fencing.html fencing/stonith-test fencing/stonith_admin fencing/stonithd fencing/stonithd.xml lrmd/lrmd lrmd/lrmd_test mcp/pacemakerd pengine/pengine pengine/pengine.xml pengine/ptest shell/regression/testcases/confbasic-xml.filter scratch tools/attrd tools/attrd_updater tools/cibadmin tools/crm_attribute tools/crm_diff tools/crm_mon tools/crm_node tools/crm_resource tools/crm_shadow tools/crm_simulate tools/crm_uuid tools/crm_verify tools/crmadmin tools/iso8601 tools/crm_ticket tools/report.collector.1 xml/crm.dtd xml/pacemaker.rng extra/rgmanager/ccs2cib extra/rgmanager/ccs_flatten extra/rgmanager/disable_rgmanager doc/Clusters_from_Scratch/en-US/Ap-*.xml doc/Clusters_from_Scratch/en-US/Ch-*.xml doc/Pacemaker_Explained/en-US/Ch-*.xml doc/Pacemaker_Explained/en-US/Ap-*.xml lib/gnu/libgnu.a lib/gnu/stdalign.h *.coverity #Other mock HTML pacemaker.spec pengine/.regression.failed.diff ClusterLabs-pacemaker-*.tar.gz coverity-* compat_reports .ABI-build abi_dumps logs *.patch *.diff *.sed *.orig *.rej *.swp pengine/test10/shadow.* pacemaker-master/.travis.yml000066400000000000000000000016441217637305600164270ustar00rootroot00000000000000# Control file for the Travis autobuilder # http://about.travis-ci.org/docs/user/build-configuration/ language: c compiler: - gcc before_install: - lsb_release - sudo cat /etc/apt/sources.list - sudo bash -c 'echo "deb http://archive.ubuntu.com/ubuntu/ quantal universe" >> /etc/apt/sources.list' - sudo apt-get update -qq - sudo apt-get install -qq automake autoconf chrpath libsnmp-dev libglib2.0-dev perl net-tools python libtool libxml2-dev bison flex uuid-dev libbz2-dev zlib1g-dev libltdl3-dev libgnutls-dev python-central python-dev libpam0g-dev libncurses5-dev libcorosync-dev heartbeat-dev libheartbeat2-dev cluster-glue-dev libxslt1-dev libesmtp-dev libqb-dev/quantal before_script: - ./autogen.sh - ./configure script: make after_script: - ./BasicSanity.sh -V notifications: irc: "irc.freenode.org#pcmk" email: recipients: - andrew@beekhof.net # whitelist branches: only: - master pacemaker-master/AUTHORS000066400000000000000000000021161217637305600153610ustar00rootroot00000000000000NOTE: The work of everyone on this project is greatly appreciated. If you are not listed here but should be, please let us know! The following people have kindly helped with pacemaker development by providing code, documentation or testing, or fixes: Andrew Beekhof Main architect, Lead Developer David Vossel Lrmd, Stonith Maintainer, PE bug fixes and features Keisuke MORI Maintainer of the 1.0 branch Yan Gao Bug fixes, features and documentation Dan Frîncu Romanian document translations Raoul Scarazzini Italian document translations Charlie Chen Chinese document translations Contributors, ordered by last name: Lars Marowsky-Brée Project catalyst and advocate Dominik Klein Dejan Muhamedagic Alan Robertson Tanja Roth Thomas Schraitle pacemaker-master/BasicSanity.sh000077500000000000000000000037721217637305600170720ustar00rootroot00000000000000#!/bin/bash test_home=`dirname $0` valgrind="" verbose="" tests="" if [ "$test_home" = "." ]; then test_home="$PWD" fi function info() { printf "$*\n" } function error() { printf " * ERROR: $*\n" } info "Test home is:\t$test_home" while true ; do case "$1" in all) tests="pengine cli lrmd fencing"; shift;; pengine|lrmd|pacemaker_remote|fencing|cli) tests="$tests $1"; shift;; -V|--verbose) verbose="-V"; shift;; -v|--valgrind) valgrind="-v"; shift;; --) shift ; break ;; "") break;; *) echo "unknown option: $1"; exit 1;; esac done if [ -z "$tests" ]; then tests="pengine cli lrmd" fi failed="" for t in $tests; do info "Executing the $t regression tests" info "============================================================" if [ -e $test_home/$t/regression.py ]; then # Fencing, lrmd need root access chmod a+x $test_home/$t/regression.py echo "Enter the root password..." su root -c "$test_home/$t/regression.py $verbose" rc=$? elif [ $t == "pacemaker_remote" ] && [ -e $test_home/lrmd/regression.py ]; then # pacemaker_remote chmod a+x $test_home/lrmd/regression.py echo "Enter the root password..." su root -c "$test_home/lrmd/regression.py -R $verbose" rc=$? elif [ -e $test_home/$t ]; then # pengine, cli $test_home/$t/regression.sh $verbose $valgrind rc=$? elif [ $t = cli -a -e $test_home/tools ]; then # Running cli tests from the source tree $test_home/tools/regression.sh $verbose $valgrind rc=$? else error "Cannot find $t test in $test_home" rc=1 fi if [ $rc != 0 ]; then info "$t regression tests failed: $rc" failed="$failed $t" fi info "============================================================" info "" info "" done if [ -z "$failed" ]; then exit 0 fi error "regression tests for $failed failed" exit 1 pacemaker-master/COPYING000066400000000000000000000431761217637305600153570ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. 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(Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. 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These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. 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If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS >>>>>>> c88668a0e87ce5827262820dd0e307220b4189b8 How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. Copyright (C) This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. pacemaker-master/COPYING.LIB000066400000000000000000000635021217637305600157570ustar00rootroot00000000000000 GNU LESSER GENERAL PUBLIC LICENSE Version 2.1, February 1999 Copyright (C) 1991, 1999 Free Software Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. [This is the first released version of the Lesser GPL. It also counts as the successor of the GNU Library Public License, version 2, hence the version number 2.1.] Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public Licenses are intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This license, the Lesser General Public License, applies to some specially designated software packages--typically libraries--of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case, based on the explanations below. When we speak of free software, we are referring to freedom of use, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you receive source code or can get it if you want it; that you can change the software and use pieces of it in new free programs; and that you are informed that you can do these things. To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or to ask you to surrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it. For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the rights that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code with the library, you must provide complete object files to the recipients, so that they can relink them with the library after making changes to the library and recompiling it. And you must show them these terms so they know their rights. We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you this license, which gives you legal permission to copy, distribute and/or modify the library. To protect each distributor, we want to make it very clear that there is no warranty for the free library. Also, if the library is modified by someone else and passed on, the recipients should know that what they have is not the original version, so that the original author's reputation will not be affected by problems that might be introduced by others. Finally, software patents pose a constant threat to the existence of any free program. 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Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the library `Frob' (a library for tweaking knobs) written by James Random Hacker. , 1 April 1990 Ty Coon, President of Vice That's all there is to it! pacemaker-master/ChangeLog000066400000000000000000003554201217637305600160740ustar00rootroot00000000000000 * Fri Jul 26 2013 Andrew Beekhof Pacemaker-1.1.10-1 - Update source tarball to revision: ab2e209 - Changesets: 602 - Diff: 143 files changed, 8162 insertions(+), 5159 deletions(-) - Features added since Pacemaker-1.1.9 + Core: Convert all exit codes to positive errno values + crm_error: Add the ability to list and print error symbols + crm_resource: Allow individual resources to be reprobed + crm_resource: Allow options to be set recursively + crm_resource: Implement --ban for moving resources away from nodes and --clear (replaces --unmove) + crm_resource: Support OCF tracing when using --force-(check|start|stop) + PE: Allow active nodes in our current membership to be fenced without quorum + PE: Suppress meaningless IDs when displaying anonymous clone status + Turn off auto-respawning of systemd services when the cluster starts them + Bug cl#5128 - pengine: Support maintenance mode for a single node - Changes since Pacemaker-1.1.9 + crmd: cib: stonithd: Memory leaks resolved and improved use of glib reference counting + attrd: Fixes deleted attributes during dc election + Bug cf#5153 - Correctly display clone failcounts in crm_mon + Bug cl#5133 - pengine: Correctly observe on-fail=block for failed demote operation + Bug cl#5148 - legacy: Correctly remove a node that used to have a different nodeid + Bug cl#5151 - Ensure node names are consistently compared without case + Bug cl#5152 - crmd: Correctly clean up fenced nodes during membership changes + Bug cl#5154 - Do not expire failures when on-fail=block is present + Bug cl#5155 - pengine: Block the stop of resources if any depending resource is unmanaged + Bug cl#5157 - Allow migration in the absence of some colocation constraints + Bug cl#5161 - crmd: Prevent memory leak in operation cache + Bug cl#5164 - crmd: Fixes crash when using pacemaker-remote + Bug cl#5164 - pengine: Fixes segfault when calculating transition with remote-nodes. + Bug cl#5167 - crm_mon: Only print "stopped" node list for incomplete clone sets + Bug cl#5168 - Prevent clones from being bounced around the cluster due to location constraints + Bug cl#5170 - Correctly support on-fail=block for clones + cib: Correctly read back archived configurations if the primary is corrupted + cib: The result is not valid when diffs fail to apply cleanly for CLI tools + cib: Restore the ability to embed comments in the configuration + cluster: Detect and warn about node names with capitals + cman: Do not pretend we know the state of nodes we've never seen + cman: Do not unconditionally start cman if it is already running + cman: Support non-blocking CPG calls + Core: Ensure the blackbox is saved on abnormal program termination + corosync: Detect the loss of members for which we only know the nodeid + corosync: Do not pretend we know the state of nodes we've never seen + corosync: Ensure removed peers are erased from all caches + corosync: Nodes that can persist in sending CPG messages must be alive afterall + crmd: Do not get stuck in S_POLICY_ENGINE if a node we couldn't fence returns + crmd: Do not update fail-count and last-failure for old failures + crmd: Ensure all membership operations can complete while trying to cancel a transition + crmd: Ensure operations for cleaned up resources don't block recovery + crmd: Ensure we return to a stable state if there have been too many fencing failures + crmd: Initiate node shutdown if another node claims to have successfully fenced us + crmd: Prevent messages for remote crmd clients from being relayed to wrong daemons + crmd: Properly handle recurring monitor operations for remote-node agent + crmd: Store last-run and last-rc-change for all operations + crm_mon: Ensure stale pid files are updated when a new process is started + crm_report: Correctly collect logs when 'uname -n' reports fully qualified names + fencing: Fail the operation once all peers have been exhausted + fencing: Restore the ability to manually confirm that fencing completed + ipc: Allow unpriviliged clients to clean up after server failures + ipc: Restore the ability for members of the haclient group to connect to the cluster + legacy: Support "crm_node --remove" with a node name for corosync plugin (bnc#805278) + lrmd: Default to the upstream location for resource agent scratch directory + lrmd: Pass errors from lsb metadata generation back to the caller + pengine: Correctly handle resources that recover before we operate on them + pengine: Delete the old resource state on every node whenever the resource type is changed + pengine: Detect constraints with inappropriate actions (ie. promote for a clone) + pengine: Ensure per-node resource parameters are used during probes + pengine: If fencing is unavailable or disabled, block further recovery for resources that fail to stop + pengine: Implement the rest of get_timet_now() and rename to get_effective_time + pengine: Re-initiate _active_ recurring monitors that previously failed but have timed out + remote: Workaround for inconsistent tls handshake behavior between gnutls versions + systemd: Ensure we get shut down correctly by systemd + systemd: Reload systemd after adding/removing override files for cluster services + xml: Check for and replace non-printing characters with their octal equivalent while exporting xml text + xml: Prevent lockups by setting a more reliable buffer allocation strategy * Fri Mar 08 2013 Andrew Beekhof Pacemaker-1.1.9-1 - Update source tarball to revision: 7e42d77 - Statistics: Changesets: 731 Diff: 1301 files changed, 92909 insertions(+), 57455 deletions(-) - Features added in Pacemaker-1.1.9 + corosync: Allow cman and corosync 2.0 nodes to use a name other than uname() + corosync: Use queues to avoid blocking when sending CPG messages + ipc: Compress messages that exceed the configured IPC message limit + ipc: Use queues to prevent slow clients from blocking the server + ipc: Use shared memory by default + lrmd: Support nagios remote monitoring + lrmd: Pacemaker Remote Daemon for extending pacemaker functionality outside corosync cluster. + pengine: Check for master/slave resources that are not OCF agents + pengine: Support a 'requires' resource meta-attribute for controlling whether it needs quorum, fencing or nothing + pengine: Support for resource container + pengine: Support resources that require unfencing before start - Changes since Pacemaker-1.1.8 + attrd: Correctly handle deletion of non-existant attributes + Bug cl#5135 - Improved detection of the active cluster type + Bug rhbz#913093 - Use crm_node instead of uname + cib: Avoid use-after-free by correctly support cib_no_children for non-xpath queries + cib: Correctly process XML diff's involving element removal + cib: Performance improvements for non-DC nodes + cib: Prevent error message by correctly handling peer replies + cib: Prevent ordering changes when applying xml diffs + cib: Remove text nodes from cib replace operations + cluster: Detect node name collisions in corosync + cluster: Preserve corosync membership state when matching node name/id entries + cman: Force fenced to terminate on shutdown + cman: Ignore qdisk 'nodes' + core: Drop per-user core directories + corosync: Avoid errors when closing failed connections + corosync: Ensure peer state is preserved when matching names to nodeids + corosync: Clean up CMAP connections after querying node name + corosync: Correctly detect corosync 2.0 clusters even if we don't have permission to access it + crmd: Bug cl#5144 - Do not updated the expected status of failed nodes + crmd: Correctly determin if cluster disconnection was abnormal + crmd: Correctly relay messages for remote clients (bnc#805626, bnc#804704) + crmd: Correctly stall the FSA when waiting for additional inputs + crmd: Detect and recover when we are evicted from CPG + crmd: Differentiate between a node that is up and coming up in peer_update_callback() + crmd: Have cib operation timeouts scale with node count + crmd: Improved continue/wait logic in do_dc_join_finalize() + crmd: Prevent election storms caused by getrusage() values being too close + crmd: Prevent timeouts when performing pacemaker level membership negotiation + crmd: Prevent use-after-free of fsa_message_queue during exit + crmd: Store all current actions when stalling the FSA + crm_mon: Do not try to render a blank cib and indicate the previous output is now stale + crm_mon: Fixes crm_mon crash when using snmp traps. + crm_mon: Look for the correct error codes when applying configuration updates + crm_report: Ensure policy engine logs are found + crm_report: Fix node list detection + crm_resource: Have crm_resource generate a valid transition key when sending resource commands to the crmd + date/time: Bug cl#5118 - Correctly convert seconds-since-epoch to the current time + fencing: Attempt to provide more information that just 'generic error' for failed actions + fencing: Correctly record completed but previously unknown fencing operations + fencing: Correctly terminate when all device options have been exhausted + fencing: cov#739453 - String not null terminated + fencing: Do not merge new fencing requests with stale ones from dead nodes + fencing: Do not start fencing until entire device topology is found or query results timeout. + fencing: Do not wait for the query timeout if all replies have arrived + fencing: Fix passing of parameters from CMAN containing '=' + fencing: Fix non-comparison when sorting devices by priority + fencing: On failure, only try a topology device once from the remote level. + fencing: Only try peers for non-topology based operations once + fencing: Retry stonith device for duration of action's timeout period. + heartbeat: Remove incorrect assert during cluster connect + ipc: Bug cl#5110 - Prevent 100% CPU usage when looking for synchronous replies + ipc: Use 50k as the default compression threshold + legacy: Prevent assertion failure on routing ais messages (bnc#805626) + legacy: Re-enable logging from the pacemaker plugin + legacy: Relax the 'active' check for plugin based clusters to avoid false negatives + legacy: Skip peer process check if the process list is empty in crm_is_corosync_peer_active() + mcp: Only define HA_DEBUGLOG to avoid agent calls to ocf_log printing everything twice + mcp: Re-attach to existing pacemaker components when mcp fails + pengine: Any location constraint for the slave role applies to all roles + pengine: Avoid leaking memory when cleaning up failcounts and using containers + pengine: Bug cl#5101 - Ensure stop order is preserved for partially active groups + pengine: Bug cl#5140 - Allow set members to be stopped when the subseqent set has require-all=false + pengine: Bug cl#5143 - Prevent shuffling of anonymous master/slave instances + pengine: Bug rhbz#880249 - Ensure orphan masters are demoted before being stopped + pengine: Bug rhbz#880249 - Teach the PE how to recover masters into primitives + pengine: cl#5025 - Automatically clear failcount for start/monitor failures after resource parameters change + pengine: cl#5099 - Probe operation uses the timeout value from the minimum interval monitor by default (#bnc776386) + pengine: cl#5111 - When clone/master child rsc has on-fail=stop, insure all children stop on failure. + pengine: cl#5142 - Do not delete orphaned children of an anonymous clone + pengine: Correctly unpack active anonymous clones + pengine: Ensure previous migrations are closed out before attempting another one + pengine: Introducing the whitebox container resources feature + pengine: Prevent double-free for cloned primitive from template + pengine: Process rsc_ticket dependencies earlier for correctly allocating resources (bnc#802307) + pengine: Remove special cases for fencing resources + pengine: rhbz#902459 - Remove rsc node status for orphan resources + systemd: Gracefully handle unexpected DBus return types + Replace the use of the insecure mktemp(3) with mkstemp(3) * Thu Sep 20 2012 Andrew Beekhof Pacemaker-1.1.8-1 - Update source tarball to revision: 1a5341f - Statistics: Changesets: 1019 Diff: 2107 files changed, 117258 insertions(+), 73606 deletions(-) - All APIs have been cleaned up and reduced to essentials - Pacemaker now includes a replacement lrmd that supports systemd and upstart agents - Config and state files (cib.xml, PE inputs and core files) have moved to new locations - The crm shell has become a separate project and no longer included with Pacemaker - All daemons/tools now have a unified set of error codes based on errno.h (see crm_error) - Changes since Pacemaker-1.1.7 + Core: Bug cl#5032 - Rewrite the iso8601 date handling code + Core: Correctly extract the version details from a diff + Core: Log blackbox contents, if enabled, when an error occurs + Core: Only LOG_NOTICE and higher are sent to syslog + Core: Replace use of IPC from clplumbing with IPC from libqb + Core: SIGUSR1 now enables blackbox logging, SIGTRAP to write out + Core: Support a blackbox for additional logging detail after crashes/errors + Promote support for advanced fencing logic to the stable schema + Promote support for node starting scores to the stable schema + Promote support for service and systemd to the stable schema + attrd: Differentiate between updating all our attributes and everybody updating all theirs too + attrd: Have single-shot clients wait for an ack before disconnecting + cib: cl#5026 - Synced cib updates should not return until the cpg broadcast is complete. + corosync: Detect when the first corosync has not yet formed and handle it gracefully + corosync: Obtain a full list of configured nodes, including their names, when we connect to the quorum API + corosync: Obtain a node name from DNS if one was not already known + corosync: Populate the cib nodelist from corosync if available + corosync: Use the CFG API and DNS to determine node names if not configured in corosync.conf + crmd: Block after 10 failed fencing attempts for a node + crmd: cl#5051 - Fixes file leak in pe ipc connection initialization. + crmd: cl#5053 - Fixes fail-count not being updated properly. + crmd: cl#5057 - Restart sub-systems correctly (bnc#755671) + crmd: cl#5068 - Fixes crm_node -R option so it works with corosync 2.0 + crmd: Correctly re-establish failed attrd connections + crmd: Detect when the quorum API isn't configured for corosync 2.0 + crmd: Do not overwrite any configured node type (eg. quorum node) + crmd: Enable use of new lrmd daemon and client library in crmd. + crmd: Overhaul the way node state is recorded and updated in the CIB + fencing: Bug rhbz#853537 - Prevent use-of-NULL when the cib libraries are not available + fencing: cl#5073 - Add 'off' as an valid value for stonith-action option. + fencing: cl#5092 - Always timeout stonith operations if timeout period expires. + fencing: cl#5093 - Stonith per device timeout option + fencing: Clean up if we detect a failed connection + fencing: Delegate complex self fencing requests - we wont be around to see it to completion + fencing: Ensure all peers are notified of complex fencing op completion + fencing: Fix passing of fence_legacy parameters containing '=' + fencing: Gracefully handle metadata requests for unknown agents + fencing: Return cached dynamic target list for busy devices. + fencing: rhbz#801355 - Abort transition on DC when external fencing operation is detected + fencing: rhbz#801355 - Merge fence requests for identical operations already in progress. + fencing: rhbz#801355 - Report fencing operations external of pacemaker to cib + fencing: Specify the action to perform using action= instead of the older option= + fencing: Stop building fake metadata for broken agents + fencing: Tolerate agents that report empty metadata in the admin tool + mcp: Correctly retry the connection to corosync on failure + mcp: Do not shut down IPC until the last client exits + mcp: Prevent use-after-free when running against corosync 1.x + pengine: Bug cl#5059 - Use the correct action's status when calculating required actions for interleaved clones + pengine: Bypass online/offline checking resource detection for ping/quorum nodes + pengine: cl#5044 - migrate_to no longer requires load_stopped for avoiding possible transition loop + pengine: cl#5069 - Honor 'on-fail=ignore' even when operation is disabled. + pengine: cl#5070 - Allow influence of promotion score when multistate rsc is left hand of colocation + pengine: cl#5072 - Fixes monitor op stopping after rsc promotion. + pengine: cl#5072 - Fixes pengine regression test failures + pengine: Correctly set the status for nodes not intended to run Pacemaker + pengine: Do not append instance numbers to anonymous clones + pengine: Fix failcount expiration + pengine: Fix memory leaks found by valgrind + pengine: Fix use-after-free and use-of-NULL errors detected by coverity + pengine: Fixes use of colocation scores other than +/- INFINITY + pengine: Improve detection of rejoining nodes + pengine: Prevent use-of-NULL when tracing is enabled + pengine: Stonith resources are allowed to start even if their probes haven't completed on partially active nodes + services: New class called 'service' which expands to the correct (LSB/systemd/upstart) standard + services: Support Asynchronous systemd/upstart actions + Tools: crm_shadow - Bug cl#5062 - Correctly set argv[0] when forking a shell process + Tools: crm_report: Always include system logs (if we can find them) * Wed Mar 28 2012 Andrew Beekhof Pacemaker-1.1.7-1 - Update source tarball to revision: bc7ff2c - Statistics: Changesets: 513 Diff: 1171 files changed, 90472 insertions(+), 19368 deletions(-) - Changes since Pacemaker-1.1.6.1 + ais: Prepare for corosync versions using IPC from libqb + cib: Correctly shutdown in the presence of peers without relying on timers + cib: Don't halt disk writes if the previous digest is missing + cib: Determine when there are no peers to respond to our shutdown request and exit + cib: Ensure no additional messages are processed after we begin terminating + Cluster: Hook up the callbacks to the corosync quorum notifications + Core: basename() may modify its input, do not pass in a constant + Core: Bug cl#5016 - Prevent failures in recurring ops from being lost + Core: Bug rhbz#800054 - Correctly retrieve heartbeat uuids + Core: Correctly determine when an XML file should be decompressed + Core: Correctly track the length of a string without reading from uninitialzied memory (valgrind) + Core: Ensure signals are handled eventually in the absense of timer sources or IPC messages + Core: Prevent use-of-NULL in crm_update_peer() + Core: Strip text nodes from on disk xml files + Core: Support libqb for logging + corosync: Consistently set the correct uuid with get_node_uuid() + Corosync: Correctly disconnect from corosync variants + Corosync: Correctly extract the node id from membership udpates + corosync: Correctly infer lost members from the quorum API + Corosync: Default to using the nodeid as the node's uuid (instead of uname) + corosync: Ensure we catch nodes that leave the membership, even if the ringid doesn't change + corosync: Hook up CPG membership + corosync: Relax a development assert and gracefully handle the error condition + corosync: Remove deprecated member of the CFG API + corosync: Treat CS_ERR_QUEUE_FULL the same as CS_ERR_TRY_AGAIN + corosync: Unset the process list when nodes dissappear on us + crmd: Also purge fencing results when we enter S_NOT_DC + crmd: Bug cl#5015 - Remove the failed operation as well as the resulting fail-count and last-failure attributes + crmd: Correctly determine when a node can suicide with fencing + crmd: Election - perform the age comparison only once + crmd: Fast-track shutdown if we couldn't request it via attrd + crmd: Leave it up to the PE to decide which ops can/cannot be reload + crmd: Prevent use-after-free when calling delete_resource due to CRM_OP_REPROBE + crmd: Supply format arguments in the correct order + fencing: Add missing format parameter + fencing: Add the fencing topology section to the 1.1 configuration schema + fencing: fence_legacy - Drop spurilous host argument from status query + fencing: fence_legacy - Ensure port is available as an environment variable when calling monitor + fencing: fence_pcmk - don't block if nothing is specified on stdin + fencing: Fix log format error + fencing: Fix segfault caused by passing garbage to dlsym() + fencing: Fix use-of-NULL in process_remote_stonith_query() + fencing: Fix use-of-NULL when listing installed devices + fencing: Implement support for advanced fencing topologies: eg. kdump || (network && disk) || power + fencing: More gracefully handle failed 'list' operations for devices that only support a single connection + fencing: Prevent duplicate free when listing devices + fencing: Prevent uninitialized pointers being passed to free + fencing: Prevent use-after-free, we may need the query result for subsequent operations + fencing: Provide enough data to construct an entry in the node's fencing history + fencing: Standardize on /one/ method for clients to request members be fenced + fencing: Supress errors when listing all registered devices + mcp: corosync_cfg_state_track was removed from the corosync API, luckily we didnt use it for anything + mcp: Do not specify a WorkingDirectory in the systemd unit file - startup fails if its not available + mcp: Set the HA_quorum_type env variable consistently with our corosync plugin + mcp: Shut down if one of our child processes can/should not be respawned + pengine: Bug cl#5000 - Ensure ordering is preserved when depending on partial sets + pengine: Bug cl#5028 - Unmanaged services should block shutdown unless in maintainence mode + pengine: Bug cl#5038 - Prevent restart of anonymous clones when clone-max decreases + pengine: Bug cl#5007 - Fixes use of colocation constraints with multi-state resources + pengine: Bug cl#5014 - Prevent asymmetrical order constraints from causing resource stops + pengine: Bug cl#5000 - Implements ability to create rsc_order constraint sets such that A can start after B or C has started. + pengine: Correctly migrate a resource that has just migrated + pengine: Correct return from error path + pengine: Detect reloads of previously migrated resources + pengine: Ensure post-migration stop actions occur before node shutdown + pengine: Log as loudly as possible when we cannot shut down a cluster node + pengine: Reload of a resource no longer causes a restart of dependant resources + pengine: Support limiting the number of concurrent live migrations + pengine: Support referencing templates in constraints + pengine: Support of referencing resource templates in resource sets + pengine: Support to make tickets standby for relinquishing tickets gracefully + stonith: A "start" operation of a stonith resource does a "monitor" on the device beyond registering it + stonith: Bug rhbz#745526 - Ensure stonith_admin actually gets called by fence_pcmk + Stonith: Ensure all nodes receive and deliver notifications of the manual override + stonith: Fix the stonith timeout issue (cl#5009, bnc#727498) + Stonith: Implement a manual override for when nodes are known to be safely off + Tools: Bug cl#5003 - Prevent use-after-free in crm_simlate + Tools: crm_mon - Support to display tickets (based on Yuusuke Iida's work) + Tools: crm_simulate - Support to grant/revoke/standby/activate tickets from the new ticket state section + Tools: Implement crm_node functionality for native corosync + Fix a number of potential problems reported by coverity * Wed Aug 31 2011 Andrew Beekhof 1.1.6-1 - Update source tarball to revision: 676e5f25aa46 tip - Statistics: Changesets: 376 Diff: 1761 files changed, 36259 insertions(+), 140578 deletions(-) - Changes since Pacemaker-1.1.5 + ais: check for retryable errors when dispatching AIS messages + ais: Correctly disconnect from Corosync and Cman based clusters + ais: Followup to previous patch - Ensure we drain the corosync queue of messages when Glib tells us there is input + ais: Handle IPC error before checking for NULL data (bnc#702907) + cib: Check the validation version before adding the originator details of a CIB change + cib: Remove disconnected remote connections from mainloop + cman: Correctly override existing fenced operations + cman: Dequeue all the cman emitted events and not only the first one leaving the others in the event's queue. + cman: Don't call fenced_join and fenced_leave when notifying cman of a fencing event. + cman: We need to run the crmd as root for CMAN so that we can ACK fencing operations + Core: Cancelled and pending operations do not count as failed + Core: Ensure there is sufficient space for EOS when building short-form option strings + Core: Fix variable expansion in pkg-config files + Core: Partial revert of accidental commit in previous patch + Core: Use dlopen to load heartbeat libraries on-demand + crmd: Bug lf#2509 - Watch for config option changes from the CIB even if we're not the DC + crmd: Bug lf#2528 - Introduce a slight delay when creating a transition to allow attrd time to perform its updates + crmd: Bug lf#2559 - Fail actions that were scheduled for a failed/fenced node + crmd: Bug lf#2584 - Allow nodes to fence themselves if they're the last one standing + crmd: Bug lf#2632 - Correctly handle nodes that return faster than stonith + crmd: Cancel timers for actions that were pending on dead nodes + crmd: Catch fence operations that claim to succeed but did not really + crmd: Do not wait for actions that were pending on dead nodes + crmd: Ensure we do not attempt to perform action on failed nodes + crmd: Prevent use-of-NULL by g_hash_table_iter_next() + crmd: Recurring actions shouldn't cause the last non-recurring action to be forgotten + crmd: Store only the last and last failed operation in the CIB + mcp: dirname() modifies the input path - pass in a copy of the logfile path + mcp: Enable stack detection logic instead of forcing 'corosync' + mcp: Fix spelling mistake in systemd service script that prevents shutdown + mcp: Shut down if corosync becomes unavailable + mcp: systemd control file is now functional + pengine: Before migrating an utilization-using resource to a node, take off the load which will no longer run there (lf#2599, bnc#695440) + pengine: Before migrating an utilization-using resource to a node, take off the load which will no longer run there (regression tests) (lf#2599, bnc#695440) + pengine: Bug lf#2574 - Prevent shuffling by choosing the correct clone instance to stop + pengine: Bug lf#2575 - Use uname for migration variables, id is a UUID on heartbeat + pengine: Bug lf#2581 - Avoid group restart when clone (re)starts on an unrelated node + pengine: Bug lf#2613, lf#2619 - Group migration after failures and non-default utilization policies + pengine: Bug suse#707150 - Prevent services being active if dependancies on clones are not satisfied + pengine: Correctly recognise which recurring operations are currently active + pengine: Demote from Master does not clear previous errors + pengine: Ensure restarts due to definition changes cause the start action to be re-issued not probes + pengine: Ensure role is preserved for unmanaged resources + pengine: Ensure unmanaged resources have the correct role set so the correct monitor operation is chosen + pengine: Fix memory leak for re-allocated resources reported by valgrind + pengine: Implement cluster ticket and deadman + pengine: Implement resource template + pengine: Correctly determine the state of multi-state resources with a partial operation history + pengine: Only allocate master/slave resources once + pengine: Partial revert of 'Minor code cleanup CS: cf6bca32376c On: 2011-08-15' + pengine: Resolve memory leak reported by valgrind + pengine: Restore the ability to save inputs to disk + Shell: implement -w,--wait option to wait for the transition to finish + Shell: repair template list command + Shell: set of commands to examine logs, reports, etc + Stonith: Consolidate pcmk_host_map into run_stonith_agent so that it is applied consistently + Stonith: Deprecate pcmk_arg_map for the saner pcmk_host_argument + Stonith: Fix use-of-NULL by g_hash_table_lookup + Stonith: Improved pcmk_host_map parsing + Stonith: Prevent use-of-NULL by g_hash_table_lookup + Stonith: Prevent use-of-NULL when no Linux-HA stonith agents are present + stonith: Add missing entries to stonith_error2string() + Stonith: Correctly finish sending agent options if the initial write is interrupted + stonith: Correctly handle synchronous calls + stonith: Coverity - Correctly construct result list for the query API call + stonith: Coverity - Remove badly constructed memory allocation from the query API call + stonith: Ensure completed operations are recorded as such in the history + Stonith: Ensure device parameters are passed to the daemon during registration + stonith: Fix use-of-NULL in stonith_api_device_list() + stonith: stonith_admin - Prevent use of uninitialized pointer by --history command + Tools: Bug lf#2528 - Make progress when attrd_updater is called repeatedly within the dampen interval but with the same value + Tools: crm_report - Correctly extract data from the local node + Tools: crm_report - Remove newlines when detecting the node list + Tools: crm_report - Repair the ability to extract data from the local machine + Tools: crm_report - Report on all detected backtraces * Fri Feb 11 2011 Andrew Beekhof 1.1.5-1 - Update source tarball to revision: baad6636a053 - Statistics: Changesets: 184 Diff: 605 files changed, 46103 insertions(+), 26417 deletions(-) - Changes since Pacemaker-1.1.4 + Add the ability to delegate sub-sections of the cluster to non-root users via ACLs Needs to be enabled at compile time, not enabled by default. + ais: Bug lf#2550 - Report failed processes immediately + Core: Prevent recently introduced use-after-free in replace_xml_child() + Core: Reinstate the logic that skips past non-XML_ELEMENT_NODE children + Core: Remove extra calls to xmlCleanupParser resulting in use-after-free + Core: Repair reference to child-of-child after removal of xml_child_iter_filter from get_message_xml() + crmd: Bug lf#2545 - Ensure notify variables are accurate for stop operations + crmd: Cancel recurring operations while we're still connected to the lrmd + crmd: Reschedule the PE_START action if its not already running when we try to use it + crmd: Update failcount for failed promote and demote operations + pengine: Bug lf#2445 - Avoid relying on stickness for stable clone placement + pengine: Bug lf#2445 - Do not override configured clone stickiness values + pengine: Bug lf#2493 - Don't imply colocation requirements when applying ordering constraints with clones + pengine: Bug lf#2495 - Prevent segfault by validating the contents of ordering sets + pengine: Bug lf#2508 - Correctly reconstruct the status of anonymous cloned groups + pengine: Bug lf#2518 - Avoid spamming the logs with errors for orphan resources + pengine: Bug lf#2544 - Prevent unstable clone placement by factoring in the current node's score before all others + pengine: Bug lf#2554 - target-role alone is not sufficient to promote resources + pengine: Correct target_rc for probes of inactive resources (fix regression introduced by cs:ac3f03006e95) + pengine: Ensure that fencing has completed for stop actions on stonith-dependent resources (lf#2551) + pengine: Only update the node's promotion score if the resource is active there + pengine: Only use the promotion score from the current clone instance + pengine: Prevent use-of-NULL resulting from variable shadowing spotted by Coverity + pengine: Prevent use-of-NULL when there is status for an undefined node + pengine: Prevet use-after-free resulting from unintended recursion when chosing a node to promote master/slave resources + Shell: don't create empty optional sections (bnc#665131) + Stonith: Teach stonith_admin to automagically obtain the current node attributes for the target from the CIB + tools: Bug lf#2527 - Prevent use-of-NULL in crm_simulate + Tools: Prevent crm_resource commands from being lost due to the use of cib_scope_local * Wed Oct 20 2010 Andrew Beekhof 1.1.4-1 - Update source tarball to revision: 75406c3eb2c1 tip - Statistics: Changesets: 169 Diff: 772 files changed, 56172 insertions(+), 39309 deletions(-) - Changes since Pacemaker-1.1.3 + Italian translation of Clusters from Scratch + Significant performance enhancements to the Policy Engine and CIB + cib: Bug lf#2506 - Don't remove client's when notifications fail, they might just be too big + cib: Drop invalid/failed connections from the client hashtable + cib: Ensure all diffs sent to peers have sufficient ordering information + cib: Ensure non-change diffs can preserve the ordering on the other side + cib: Fix the feature set check + cib: Include version information on our synthesised diffs when nothing changed + cib: Optimize the way we detect group/set ordering changes - 15% speedup + cib: Prevent false detection of config updates with the new diff format + cib: Reduce unnecessary copying when comparing xml objects + cib: Repair the processing of updates sent from peer nodes + cib: Revert part of a recent commit that purged still valid connections + cib: The feature set version check is only valid if the current value is non-NULL + Core: Actually removing diff markers is necessary + Core: Bug lf#2506 - Drop the compression limit because Heartbeat's IPC code sucks + Core: Cache Relax-NG schemas - profiling indicates many cycles are wasted needlessly re-parsing them + Core: Correctly compare against crm_log_level in the logging macros + Core: Correctly extract the version details from a diff + Core: Correctly hook up the RNG schema cache + Core: Correctly use lazy_xml_sort() for v2 digests + Core: Don't compress large payload elements unless we're approaching message limits + Core: Don't insert empty ID tags when applying diffs + Core: Enable the improve v2 digests + Core: Ensure ordering is preserved when applying diffs + Core: Fix the CRM_CHECK macro + Core: Modify the v2 digest algorithm so that some fields are sorted + Core: Prevent use-after-free when creating a CIB update for a timed out action + Core: Prevent use-of-NULL when cleaning up RelaxNG data structures + Core: Provide significant performance improvements by implementing versioned diffs and digests + crmd: All pending operations should be recorded, even recurring ones with high start delays + crmd: Don't abort transitions when probes are completed on a node + crmd: Don't hide stop events that time out - allowing faster recovery in the presence of overloaded hosts + crmd: Ensure the CIB is always writable on the DC by removing a timing hole + crmd: Include the correct transition details for timed out operations + crmd: Prevent use of NULL by making copies of the operation's hash table + crmd: There's no need to check the cib version from the 'added' part of diff updates + crmd: Use the supplied timeout for stop actions + mcp: Ensure valgrind is able to log its output somewhere + mcp: Use 99/01 for the start/stop sequence to avoid problems with services (such as libvirtd) started by init - Patch from Vladislav Bogdanov + pengine: Ensure fencing of the DC preceeds the STONITH_DONE operation + pengine: Fix memory leak introduced as part of the conversion to GHashTables + pengine: Fix memory leak when processing completed migration actions + pengine: Fix typo leading to use-of-NULL in the new ordering code + pengine: Free memory in recently introduced helper function + pengine: lf#2478 - Implement improved handling and recovery of atomic resource migrations + pengine: Obtain massive speedup by prepending to the list of ordering constraints (which can grow quite large) + pengine: Optimize the logic for deciding which non-grouped anonymous clone instances to probe for + pengine: Prevent clones from being stopped because resources colocated with them cannot be active + pengine: Try to ensure atomic migration ops occur within a single transition + pengine: Use hashtables instead of linked lists for performance sensitive datastructures + pengine: Use the original digest algorithm for parameter lists + stonith: cleanup children on timeout in fence_legacy + Stonith: Fix two memory leaks + Tools: crm_shadow - Avoid replacing the entire configuration (including status) * Tue Sep 21 2010 Andrew Beekhof 1.1.3-1 - Update source tarball to revision: e3bb31c56244 tip - Statistics: Changesets: 352 Diff: 481 files changed, 14130 insertions(+), 11156 deletions(-) - Changes since Pacemaker-1.1.2.1 + ais: Bug lf#2401 - Improved processing when the peer crmd processes join/leave + ais: Correct the logic for conecting to plugin based clusters + ais: Do not supply a process list in mcp-mode + ais: Drop support for whitetank in the 1.1 release series + ais: Get an initial dump of the node membership when connecting to quorum-based clusters + ais: Guard against saturated cpg connections + ais: Handle CS_ERR_TRY_AGAIN in more cases + ais: Move the code for finding uid before the fork so that the child does no logging + ais: Never allow quorum plugins to affect connection to the pacemaker plugin + ais: Sign everyone up for peer process updates, not just the crmd + ais: The cluster type needs to be set before initializing classic openais connections + cib: Also free query result for xpath operations that return more than one hit + cib: Attempt to resolve memory corruption when forking a child to write the cib to disk + cib: Correctly free memory when writing out the cib to disk + cib: Fix the application of unversioned diffs + cib: Remove old developmental error logging + cib: Restructure the 'valid peer' check for deciding which instructions to ignore + cman: Correctly process membership/quorum changes from the pcmk plugin. Allow other message types through untouched + cman: Filter directed messages not intended for us + cman: Grab the initial membership when we connect + cman: Keep the list of peer processes up-to-date + cman: Make sure our common hooks are called after a cman membership update + cman: Make sure we can compile without cman present + cman: Populate sender details for cpg messages + cman: Update the ringid for cman based clusters + Core: Correctly unpack HA_Messages containing multiple entries with the same name + Core: crm_count_member() should only track nodes that have the full stack up + Core: New developmental logging system inspired by the kernel and a PoC from Lars Ellenberg + crmd: All nodes should see status updates, not just he DC + crmd: Allow non-DC nodes to clear failcounts too + crmd: Base DC election on process relative uptime + crmd: Bug lf#2439 - cancel_op() can also return HA_RSCBUSY + crmd: Bug lf#2439 - Handle asynchronous notification of resource deletion events + crmd: Bug lf#2458 - Ensure stop actions always have the relevant resource attributes + crmd: Disable age as a criteria for cman based clusters, its not reliable enough + crmd: Ensure we activate the DC timer if we detect an alternate DC + crmd: Factor the nanosecond component of process uptime in elections + crmd: Fix assertion failure when performing async resource failures + crmd: Fix handling of async resource deletion results + crmd: Include the action for crm graph operations + crmd: Make sure the membership cache is accurate after a sucessful fencing operation + crmd: Make sure we always poke the FSA after a transition to clear any TE_HALT actions + crmd: Offer crm-level membership once the peer starts the crmd process + crmd: Only need to request quorum update for plugin based clusters + crmd: Prevent assertion failure for stop actions resulting from cs: 3c0bc17c6daf + crmd: Prevent everyone from loosing DC elections by correctly initializing all relevant variables + crmd: Prevent segmentation fault + crmd: several fixes for async resource delete (thanks to beekhof) + crmd: Use the correct define/size for lrm resource IDs + Introduce two new cluster types 'cman' and 'corosync', replaces 'quorum_provider' concept + mcp: Add missing headers when built without heartbeat support + mcp: Correctly initialize the string containing the list of active daemons + mcp: Fix macro expansion in init script + mcp: Fix the expansion of the pid file in the init script + mcp: Handle CS_ERR_TRY_AGAIN when connecting to libcfg + mcp: Make sure we can compile the mcp without cman present + mcp: New master control process for (re)spawning pacemaker daemons + mcp: Read config early so we can re-initialize logging asap if daemonizing + mcp: Rename the mcp binary to pacemakerd and create a 'pacemaker' init script + mcp: Resend our process list after every CPG change + mcp: Tell chkconfig we need to shut down early on + pengine: Avoid creating invalid ordering constraints for probes that are not needed + pengine: Bug lf#1959 - Fail unmanaged resources should not prevent other services from shutting down + pengine: Bug lf#2422 - Ordering dependencies on partially active groups not observed properly + pengine: Bug lf#2424 - Use notify oepration definition if it exists in the configuration + pengine: Bug lf#2433 - No services should be stopped until probes finish + pengine: Bug lf#2453 - Enforce clone ordering in the absense of colocation constraints + pengine: Bug lf#2476 - Repair on-fail=block for groups and primitive resources + pengine: Correctly detect when there is a real failcount that expired and needs to be cleared + pengine: Correctly handle pseudo action creation + pengine: Correctly order clone startup after group/clone start + pengine: Correct use-after-free introduced in the prior patch + pengine: Do not demote resources because something that requires it can not run + pengine: Fix colocation for interleaved clones + pengine: Fix colocation with partially active groups + pengine: Fix potential use-after-free defect from coverity + pengine: Fix previous merge + pengine: Fix use-after-free in order_actions() reported by valgrind + pengine: Make the current data set a global variable so it does not need to be passed around everywhere + pengine: Prevent endless loop when looking for operation definitions in the configuration + pengine: Prevent segfault by ensuring the arguments to do_calculations() are initialized + pengine: Rewrite the ordering constraint logic to be simplicity, clarity and maintainability + pengine: Wait until stonith is available, do not fall back to shutdown for nodes requesting termination + Resolve coverity RESOURCE_LEAK defects + Shell: Complete the transition to using crm_attribute instead of crm_failcount and crm_standby + stonith: Advertise stonith-ng options in the metadata + stonith: Bug lf#2461 - Prevent segfault by not looking up operations if the hashtable has not been initialized yet + stonith: Bug lf#2473 - Add the timeout at the top level where the daemon is looking for it + Stonith: Bug lf#2473 - Ensure stonith operations complete within the timeout and are terminated if they run too long + stonith: Bug lf#2473 - Ensure timeouts are included for fencing operations + stonith: Bug lf#2473 - Gracefully handle remote operations that arrive late (after we have done notifications) + stonith: Correctly parse pcmk_host_list parameters that appear on a single line + stonith: Map poweron/poweroff back to on/off expected by the stonith tool from cluster-glue + stonith: pass the configuration to the stonith program via environment variables (bnc#620781) + Stonith: Use the timeout specified by the user + Support starting plugin-based Pacemaker clusters with the MCP as well + Tools: Bug lf#2456 - Fix assertion failure in crm_resource + tools: crm_node - Repair the ability to connect to openais based clusters + tools: crm_node - Use the correct short option for --cman + tools: crm_report - corosync.conf wont necessarily contain the text 'pacemaker' anymore + Tools: crm_simulate - Fix use-after-free in when terminating + tools: crm_simulate - Resolve coverity USE_AFTER_FREE defect + Tools: Drop the 'pingd' daemon and resource agent in favor of ocf:pacemaker:ping + Tools: Fix recently introduced use-of-NULL + Tools: Fix use-after-free defects from coverity * Wed May 12 2010 Andrew Beekhof 1.1.2-1 - Update source tarball to revision: c25c972a25cc tip - Statistics: Changesets: 339 Diff: 708 files changed, 37918 insertions(+), 10584 deletions(-) - Changes since Pacemaker-1.1.1 + ais: Do not count votes from offline nodes and calculate current votes before sending quorum data + ais: Ensure the list of active processes sent to clients is always up-to-date + ais: Look for the correct conf variable for turning on file logging + ais: Need to find a better and thread-safe way to set core_uses_pid. Disable for now. + ais: Use the threadsafe version of getpwnam + Core: Bump the feature set due to the new failcount expiry feature + Core: fix memory leaks exposed by valgrind + Core: Bug lf#2414 - Prevent use-after-free reported by valgrind when doing xpath based deletions + crmd: Bug lf#2414 - Prevent use-after-free of the PE connection after it dies + crmd: Bug lf#2414 - Prevent use-after-free of the stonith-ng connection + crmd: Bug lf#2401 - Improved detection of partially active peers + crmd: Bug lf#2379 - Ensure the cluster terminates when the PE is not available + crmd: Do not allow the target_rc to be misused by resource agents + crmd: Do not ignore action timeouts based on FSA state + crmd: Ensure we dont get stuck in S_PENDING if we loose an election to someone that never talks to us again + crmd: Fix memory leaks exposed by valgrind + crmd: Remove race condition that could lead to multiple instances of a clone being active on a machine + crmd: Send erase_status_tag() calls to the local CIB when the DC is fenced, since there is no DC to accept them + crmd: Use global fencing notifications to prevent secondary fencing operations of the DC + pengine: Bug lf#2317 - Avoid needless restart of primitive depending on a clone + pengine: Bug lf#2361 - Ensure clones observe mandatory ordering constraints if the LHS is unrunnable + pengine: Bug lf#2383 - Combine failcounts for all instances of an anonymous clone on a host + pengine: Bug lf#2384 - Fix intra-set colocation and ordering + pengine: Bug lf#2403 - Enforce mandatory promotion (colocation) constraints + pengine: Bug lf#2412 - Correctly find clone instances by their prefix + pengine: Do not be so quick to pull the trigger on nodes that are coming up + pengine: Fix memory leaks exposed by valgrind + pengine: Rewrite native_merge_weights() to avoid Fix use-after-free + Shell: Bug bnc#590035 - always reload status if working with the cluster + Shell: Bug bnc#592762 - Default to using the status section from the live CIB + Shell: Bug lf#2315 - edit multiple meta_attributes sets in resource management + Shell: Bug lf#2221 - enable comments + Shell: Bug bnc#580492 - implement new cibstatus interface and commands + Shell: Bug bnc#585471 - new cibstatus import command + Shell: check timeouts also against the default-action-timeout property + Shell: new configure filter command + Tools: crm_mon - fix memory leaks exposed by valgrind * Tue Feb 16 2010 Andrew Beekhof - 1.1.1-1 - First public release of Pacemaker 1.1 - Package reference documentation in a doc subpackage - Move cts into a subpackage so that it can be easily consumed by others - Update source tarball to revision: 17d9cd4ee29f + New stonith daemon that supports global notifications + Service placement influenced by the physical resources + A new tool for simulating failures and the cluster’s reaction to them + Ability to serialize an otherwise unrelated a set of resource actions (eg. Xen migrations) * Wed Feb 10 2010 Andrew Beekhof - 1.0.7-4 - Rebuild for heartbeat 3.0.2-2 * Wed Feb 10 2010 Andrew Beekhof - 1.0.7-3 - Rebuild for cluster-glue 1.0.3 * Tue Jan 19 2010 Andrew Beekhof - 1.0.7-2 - Rebuild for corosync 1.2.0 * Mon Jan 18 2010 Andrew Beekhof - 1.0.7-1 - Update source tarball to revision: 2eed906f43e9 (stable-1.0) tip - Statistics: Changesets: 193 Diff: 220 files changed, 15933 insertions(+), 8782 deletions(-) - Changes since 1.0.5-4 + pengine: Bug 2213 - Ensure groups process location constraints so that clone-node-max works for cloned groups + pengine: Bug lf#2153 - non-clones should not restart when clones stop/start on other nodes + pengine: Bug lf#2209 - Clone ordering should be able to prevent startup of dependant clones + pengine: Bug lf#2216 - Correctly identify the state of anonymous clones when deciding when to probe + pengine: Bug lf#2225 - Operations that require fencing should wait for 'stonith_complete' not 'all_stopped'. + pengine: Bug lf#2225 - Prevent clone peers from stopping while another is instance is (potentially) being fenced + pengine: Correctly anti-colocate with a group + pengine: Correctly unpack ordering constraints for resource sets to avoid graph loops + Tools: crm: load help from crm_cli.txt + Tools: crm: resource sets (bnc#550923) + Tools: crm: support for comments (LF 2221) + Tools: crm: support for description attribute in resources/operations (bnc#548690) + Tools: hb2openais: add EVMS2 CSM processing (and other changes) (bnc#548093) + Tools: hb2openais: do not allow empty rules, clones, or groups (LF 2215) + Tools: hb2openais: refuse to convert pure EVMS volumes + cib: Ensure the loop for login message terminates + cib: Finally fix reliability of receiving large messages over remote plaintext connections + cib: Fix remote notifications + cib: For remote connections, default to CRM_DAEMON_USER since thats the only one that the cib can validate the password for using PAM + cib: Remote plaintext - Retry sending parts of the message that did not fit the first time + crmd: Ensure batch-limit is correctly enforced + crmd: Ensure we have the latest status after a transition abort + (bnc#547579,547582): Tools: crm: status section editing support + shell: Add allow-migrate as allowed meta-attribute (bnc#539968) + Medium: Build: Do not automatically add -L/lib, it could cause 64-bit arches to break + Medium: pengine: Bug lf#2206 - rsc_order constraints always use score at the top level + Medium: pengine: Only complain about target-role=master for non m/s resources + Medium: pengine: Prevent non-multistate resources from being promoted through target-role + Medium: pengine: Provide a default action for resource-set ordering + Medium: pengine: Silently fix requires=fencing for stonith resources so that it can be set in op_defaults + Medium: Tools: Bug lf#2286 - Allow the shell to accept template parameters on the command line + Medium: Tools: Bug lf#2307 - Provide a way to determin the nodeid of past cluster members + Medium: Tools: crm: add update method to template apply (LF 2289) + Medium: Tools: crm: direct RA interface for ocf class resource agents (LF 2270) + Medium: Tools: crm: direct RA interface for stonith class resource agents (LF 2270) + Medium: Tools: crm: do not add score which does not exist + Medium: Tools: crm: do not consider warnings as errors (LF 2274) + Medium: Tools: crm: do not remove sets which contain id-ref attribute (LF 2304) + Medium: Tools: crm: drop empty attributes elements + Medium: Tools: crm: exclude locations when testing for pathological constraints (LF 2300) + Medium: Tools: crm: fix exit code on single shot commands + Medium: Tools: crm: fix node delete (LF 2305) + Medium: Tools: crm: implement -F (--force) option + Medium: Tools: crm: rename status to cibstatus (LF 2236) + Medium: Tools: crm: revisit configure commit + Medium: Tools: crm: stay in crm if user specified level only (LF 2286) + Medium: Tools: crm: verify changes on exit from the configure level + Medium: ais: Some clients such as gfs_controld want a cluster name, allow one to be specified in corosync.conf + Medium: cib: Clean up logic for receiving remote messages + Medium: cib: Create valid notification control messages + Medium: cib: Indicate where the remote connection came from + Medium: cib: Send password prompt to stderr so that stdout can be redirected + Medium: cts: Fix rsh handling when stdout is not required + Medium: doc: Fill in the section on removing a node from an AIS-based cluster + Medium: doc: Update the docs to reflect the 0.6/1.0 rolling upgrade problem + Medium: doc: Use Publican for docbook based documentation + Medium: fencing: stonithd: add metadata for stonithd instance attributes (and support in the shell) + Medium: fencing: stonithd: ignore case when comparing host names (LF 2292) + Medium: tools: Make crm_mon functional with remote connections + Medium: xml: Add stopped as a supported role for operations + Medium: xml: Bug bnc#552713 - Treat node unames as text fields not IDs + Medium: xml: Bug lf#2215 - Create an always-true expression for empty rules when upgrading from 0.6 * Thu Oct 29 2009 Andrew Beekhof - 1.0.5-4 - Include the fixes from CoroSync integration testing - Move the resource templates - they are not documentation - Ensure documentation is placed in a standard location - Exclude documentation that is included elsewhere in the package - Update the tarball from upstream to version ee19d8e83c2a + cib: Correctly clean up when both plaintext and tls remote ports are requested + pengine: Bug bnc#515172 - Provide better defaults for lt(e) and gt(e) comparisions + pengine: Bug lf#2197 - Allow master instances placemaker to be influenced by colocation constraints + pengine: Make sure promote/demote pseudo actions are created correctly + pengine: Prevent target-role from promoting more than master-max instances + ais: Bug lf#2199 - Prevent expected-quorum-votes from being populated with garbage + ais: Prevent deadlock - dont try to release IPC message if the connection failed + cib: For validation errors, send back the full CIB so the client can display the errors + cib: Prevent use-after-free for remote plaintext connections + crmd: Bug lf#2201 - Prevent use-of-NULL when running heartbeat * Wed Oct 13 2009 Andrew Beekhof - 1.0.5-3 - Update the tarball from upstream to version 38cd629e5c3c + Core: Bug lf#2169 - Allow dtd/schema validation to be disabled + pengine: Bug lf#2106 - Not all anonymous clone children are restarted after configuration change + pengine: Bug lf#2170 - stop-all-resources option had no effect + pengine: Bug lf#2171 - Prevent groups from starting if they depend on a complex resource which can not + pengine: Disable resource management if stonith-enabled=true and no stonith resources are defined + pengine: do not include master score if it would prevent allocation + ais: Avoid excessive load by checking for dead children every 1s (instead of 100ms) + ais: Bug rh#525589 - Prevent shutdown deadlocks when running on CoroSync + ais: Gracefully handle changes to the AIS nodeid + crmd: Bug bnc#527530 - Wait for the transition to complete before leaving S_TRANSITION_ENGINE + crmd: Prevent use-after-free with LOG_DEBUG_3 + Medium: xml: Mask the "symmetrical" attribute on rsc_colocation constraints (bnc#540672) + Medium (bnc#520707): Tools: crm: new templates ocfs2 and clvm + Medium: Build: Invert the disable ais/heartbeat logic so that --without (ais|heartbeat) is available to rpmbuild + Medium: pengine: Bug lf#2178 - Indicate unmanaged clones + Medium: pengine: Bug lf#2180 - Include node information for all failed ops + Medium: pengine: Bug lf#2189 - Incorrect error message when unpacking simple ordering constraint + Medium: pengine: Correctly log resources that would like to start but can not + Medium: pengine: Stop ptest from logging to syslog + Medium: ais: Include version details in plugin name + Medium: crmd: Requery the resource metadata after every start operation * Fri Aug 21 2009 Tomas Mraz - 1.0.5-2.1 - rebuilt with new openssl * Wed Aug 19 2009 Andrew Beekhof - 1.0.5-2 - Add versioned perl dependency as specified by https://fedoraproject.org/wiki/Packaging/Perl#Packages_that_link_to_libperl - No longer remove RPATH data, it prevents us finding libperl.so and no other libraries were being hardcoded - Compile in support for heartbeat - Conditionally add heartbeat-devel and corosynclib-devel to the -devel requirements depending on which stacks are supported * Mon Aug 17 2009 Andrew Beekhof - 1.0.5-1 - Add dependency on resource-agents - Use the version of the configure macro that supplies --prefix, --libdir, etc - Update the tarball from upstream to version 462f1569a437 (Pacemaker 1.0.5 final) + Tools: crm_resource - Advertise --move instead of --migrate + Medium: Extra: New node connectivity RA that uses system ping and attrd_updater + Medium: crmd: Note that dc-deadtime can be used to mask the brokeness of some switches * Tue Aug 11 2009 Ville Skyttä - 1.0.5-0.7.c9120a53a6ae.hg - Use bzipped upstream tarball. * Wed Jul 29 2009 Andrew Beekhof - 1.0.5-0.6.c9120a53a6ae.hg - Add back missing build auto* dependancies - Minor cleanups to the install directive * Tue Jul 28 2009 Andrew Beekhof - 1.0.5-0.5.c9120a53a6ae.hg - Add a leading zero to the revision when alphatag is used * Tue Jul 28 2009 Andrew Beekhof - 1.0.5-0.4.c9120a53a6ae.hg - Incorporate the feedback from the cluster-glue review - Realistically, the version is a 1.0.5 pre-release - Use the global directive instead of define for variables - Use the haclient/hacluster group/user instead of daemon - Use the _configure macro - Fix install dependancies * Fri Jul 24 2009 Andrew Beekhof - 1.0.4-3 - Initial Fedora checkin - Include an AUTHORS and license file in each package - Change the library package name to pacemaker-libs to be more Fedora compliant - Remove execute permissions from xml related files - Reference the new cluster-glue devel package name - Update the tarball from upstream to version c9120a53a6ae + pengine: Only prevent migration if the clone dependency is stopping/starting on the target node + pengine: Bug 2160 - Dont shuffle clones due to colocation + pengine: New implementation of the resource migration (not stop/start) logic + Medium: Tools: crm_resource - Prevent use-of-NULL by requiring a resource name for the -A and -a options + Medium: pengine: Prevent use-of-NULL in find_first_action() * Tue Jul 14 2009 Andrew Beekhof - 1.0.4-2 - Reference authors from the project AUTHORS file instead of listing in description - Change Source0 to reference the Mercurial repo - Cleaned up the summaries and descriptions - Incorporate the results of Fedora package self-review * Thu Jun 04 2009 Andrew Beekhof - 1.0.4-1 - Update source tarball to revision: 1d87d3e0fc7f (stable-1.0) - Statistics: Changesets: 209 Diff: 266 files changed, 12010 insertions(+), 8276 deletions(-) - Changes since Pacemaker-1.0.3 + (bnc#488291): ais: do not rely on byte endianness on ptr cast + (bnc#507255): Tools: crm: delete rsc/op_defaults (these meta_attributes are killing me) + (bnc#507255): Tools: crm: import properly rsc/op_defaults + (LF 2114): Tools: crm: add support for operation instance attributes + ais: Bug lf#2126 - Messages replies cannot be routed to transient clients + ais: Fix compilation for the latest Corosync API (v1719) + attrd: Do not perform all updates as complete refreshes + cib: Fix huge memory leak affecting heartbeat-based clusters + Core: Allow xpath queries to match attributes + Core: Generate the help text directly from a tool options struct + Core: Handle differences in 0.6 messaging format + crmd: Bug lf#2120 - All transient node attribute updates need to go via attrd + crmd: Correctly calculate how long an FSA action took to avoid spamming the logs with errors + crmd: Fix another large memory leak affecting Heartbeat based clusters + lha: Restore compatability with older versions + pengine: Bug bnc#495687 - Filesystem is not notified of successful STONITH under some conditions + pengine: Make running a cluster with STONITH enabled but no STONITH resources an error and provide details on resolutions + pengine: Prevent use-ofNULL when using resource ordering sets + pengine: Provide inter-notification ordering guarantees + pengine: Rewrite the notification code to be understanable and extendable + Tools: attrd - Prevent race condition resulting in the cluster forgetting the node wishes to shut down + Tools: crm: regression tests + Tools: crm_mon - Fix smtp notifications + Tools: crm_resource - Repair the ability to query meta attributes + Low Build: Bug lf#2105 - Debian package should contain pacemaker doc and crm templates + Medium (bnc#507255): Tools: crm: handle empty rsc/op_defaults properly + Medium (bnc#507255): Tools: crm: use the right obj_type when creating objects from xml nodes + Medium (LF 2107): Tools: crm: revisit exit codes in configure + Medium: cib: Do not bother validating updates that only affect the status section + Medium: Core: Include supported stacks in version information + Medium: crmd: Record in the CIB, the cluster infrastructure being used + Medium: cts: Do not combine crm_standby arguments - the wrapper can not process them + Medium: cts: Fix the CIBAusdit class + Medium: Extra: Refresh showscores script from Dominik + Medium: pengine: Build a statically linked version of ptest + Medium: pengine: Correctly log the actions for resources that are being recovered + Medium: pengine: Correctly log the occurance of promotion events + Medium: pengine: Implememt node health based on a patch from Mark Hamzy + Medium: Tools: Add examples to help text outputs + Medium: Tools: crm: catch syntax errors for configure load + Medium: Tools: crm: implement erasing nodes in configure erase + Medium: Tools: crm: work with parents only when managing xml objects + Medium: Tools: crm_mon - Add option to run custom notification program on resource operations (Patch by Dominik Klein) + Medium: Tools: crm_resource - Allow --cleanup to function on complex resources and cluster-wide + Medium: Tools: haresource2cib.py - Patch from horms to fix conversion error + Medium: Tools: Include stack information in crm_mon output + Medium: Tools: Two new options (--stack,--constraints) to crm_resource for querying how a resource is configured * Wed Apr 08 2009 Andrew Beekhof - 1.0.3-1 - Update source tarball to revision: b133b3f19797 (stable-1.0) tip - Statistics: Changesets: 383 Diff: 329 files changed, 15471 insertions(+), 15119 deletions(-) - Changes since Pacemaker-1.0.2 + Added tag SLE11-HAE-GMC for changeset 9196be9830c2 + ais plugin: Fix quorum calculation (bnc#487003) + ais: Another memory fix leak in error path + ais: Bug bnc#482847, bnc#482905 - Force a clean exit of OpenAIS once Pacemaker has finished unloading + ais: Bug bnc#486858 - Fix update_member() to prevent spamming clients with membership events containing no changes + ais: Centralize all quorum calculations in the ais plugin and allow expected votes to be configured int he cib + ais: Correctly handle a return value of zero from openais_dispatch_recv() + ais: Disable logging to a file + ais: Fix memory leak in error path + ais: IPC messages are only in scope until a response is sent + All signal handlers used with CL_SIGNAL() need to be as minimal as possible + cib: Bug bnc#482885 - Simplify CIB disk-writes to prevent data loss. Required a change to the backup filename format + cib: crmd: Revert part of 9782ab035003. Complex shutdown routines need G_main_add_SignalHandler to avoid race coditions + crm: Avoid infinite loop during crm configure edit (bnc#480327) + crmd: Avoid a race condition by waiting for the attrd update to trigger a transition automatically + crmd: Bug bnc#480977 - Prevent extra, partial, shutdown when a node restarts too quickly + crmd: Bug bnc#480977 - Prevent extra, partial, shutdown when a node restarts too quickly (verified) + crmd: Bug bnc#489063 - Ensure the DC is always unset after we 'loose' an election + crmd: Bug BSC#479543 - Correctly find the migration source for timed out migrate_from actions + crmd: Call crm_peer_init() before we start the FSA - prevents a race condition when used with Heartbeat + crmd: Erasing the status section should not be forced to the local node + crmd: Fix memory leak in cib notication processing code + crmd: Fix memory leak in transition graph processing + crmd: Fix memory leaks found by valgrind + crmd: More memory leaks fixes found by valgrind + fencing: stonithd: is_heartbeat_cluster is a no-no if there is no heartbeat support + pengine: Bug bnc#466788 - Exclude nodes that can not run resources + pengine: Bug bnc#466788 - Make colocation based on node attributes work + pengine: Bug BNC#478687 - Do not crash when clone-max is 0 + pengine: Bug bnc#488721 - Fix id-ref expansion for clones, the doc-root for clone children is not the cib root + pengine: Bug bnc#490418 - Correctly determine node state for nodes wishing to be terminated + pengine: Bug LF#2087 - Correctly parse the state of anonymous clones that have multiple instances on a given node + pengine: Bug lf#2089 - Meta attributes are not inherited by clone children + pengine: Bug lf#2091 - Correctly restart modified resources that were found active by a probe + pengine: Bug lf#2094 - Fix probe ordering for cloned groups + pengine: Bug LF:2075 - Fix large pingd memory leaks + pengine: Correctly attach orphaned clone children to their parent + pengine: Correctly handle terminate node attributes that are set to the output from time() + pengine: Ensure orphaned clone members are hooked up to the parent when clone-max=0 + pengine: Fix memory leak in LogActions + pengine: Fix the determination of whether a group is active + pengine: Look up the correct promotion preference for anonymous masters + pengine: Simplify handling of start failures by changing the default migration-threshold to INFINITY + pengine: The ordered option for clones no longer causes extra start/stop operations + RA: Bug bnc#490641 - Shut down dlm_controld with -TERM instead of -KILL + RA: pingd: Set default ping interval to 1 instead of 0 seconds + Resources: pingd - Correctly tell the ping daemon to shut down + Tools: Bug bnc#483365 - Ensure the command from cluster_test includes a value for --log-facility + Tools: cli: fix and improve delete command + Tools: crm: add and implement templates + Tools: crm: add support for command aliases and some common commands (i.e. cd,exit) + Tools: crm: create top configuration nodes if they are missing + Tools: crm: fix parsing attributes for rules (broken by the previous changeset) + Tools: crm: new ra set of commands + Tools: crm: resource agents information management + Tools: crm: rsc/op_defaults + Tools: crm: support for no value attribute in nvpairs + Tools: crm: the new configure monitor command + Tools: crm: the new configure node command + Tools: crm_mon - Prevent use-of-NULL when summarizing an orphan + Tools: hb2openais: create clvmd clone for respawn evmsd in ha.cf + Tools: hb2openais: fix a serious recursion bug in xml node processing + Tools: hb2openais: fix ocfs2 processing + Tools: pingd - prevent double free of getaddrinfo() output in error path + Tools: The default re-ping interval for pingd should be 1s not 1ms + Medium (bnc#479049): Tools: crm: add validation of resource type for the configure primitive command + Medium (bnc#479050): Tools: crm: add help for RA parameters in tab completion + Medium (bnc#479050): Tools: crm: add tab completion for primitive params/meta/op + Medium (bnc#479050): Tools: crm: reimplement cluster properties completion + Medium (bnc#486968): Tools: crm: listnodes function requires no parameters (do not mix completion with other stuff) + Medium: ais: Remove the ugly hack for dampening AIS membership changes + Medium: cib: Fix memory leaks by using mainloop_add_signal + Medium: cib: Move more logging to the debug level (was info) + Medium: cib: Overhaul the processing of synchronous replies + Medium: Core: Add library functions for instructing the cluster to terminate nodes + Medium: crmd: Add new expected-quorum-votes option + Medium: crmd: Allow up to 5 retires when an attrd update fails + Medium: crmd: Automatically detect and use new values for crm_config options + Medium: crmd: Bug bnc#490426 - Escalated shutdowns stall when there are pending resource operations + Medium: crmd: Clean up and optimize the DC election algorithm + Medium: crmd: Fix memory leak in shutdown + Medium: crmd: Fix memory leaks spotted by Valgrind + Medium: crmd: Ingore join messages from hosts other than our DC + Medium: crmd: Limit the scope of resource updates to the status section + Medium: crmd: Prevent the crmd from being respawned if its told to shut down when it did not ask to be + Medium: crmd: Re-check the election status after membership events + Medium: crmd: Send resource updates via the local CIB during elections + Medium: pengine: Bug bnc#491441 - crm_mon does not display operations returning 'uninstalled' correctly + Medium: pengine: Bug lf#2101 - For location constraints, role=Slave is equivalent to role=Started + Medium: pengine: Clean up the API - removed ->children() and renamed ->find_child() to fine_rsc() + Medium: pengine: Compress the display of healthy anonymous clones + Medium: pengine: Correctly log the actions for resources that are being recovered + Medium: pengine: Determin a promotion score for complex resources + Medium: pengine: Ensure clones always have a value for globally-unique + Medium: pengine: Prevent orphan clones from being allocated + Medium: RA: controld: Return proper exit code for stop op. + Medium: Tools: Bug bnc#482558 - Fix logging test in cluster_test + Medium: Tools: Bug bnc#482828 - Fix quoting in cluster_test logging setup + Medium: Tools: Bug bnc#482840 - Include directory path to CTSlab.py + Medium: Tools: crm: add more user input checks + Medium: Tools: crm: do not check resource status of we are working with a shadow + Medium: Tools: crm: fix id-refs and allow reference to top objects (i.e. primitive) + Medium: Tools: crm: ignore comments in the CIB + Medium: Tools: crm: multiple column output would not work with small lists + Medium: Tools: crm: refuse to delete running resources + Medium: Tools: crm: rudimentary if-else for templates + Medium: Tools: crm: Start/stop clones via target-role. + Medium: Tools: crm_mon - Compress the node status for healthy and offline nodes + Medium: Tools: crm_shadow - Return 0/cib_ok when --create-empty succeeds + Medium: Tools: crm_shadow - Support -e, the short form of --create-empty + Medium: Tools: Make attrd quieter + Medium: Tools: pingd - Avoid using various clplumbing functions as they seem to leak + Medium: Tools: Reduce pingd logging * Mon Feb 16 2009 Andrew Beekhof - 1.0.2-1 - Update source tarball to revision: d232d19daeb9 (stable-1.0) tip - Statistics: Changesets: 441 Diff: 639 files changed, 20871 insertions(+), 21594 deletions(-) - Changes since Pacemaker-1.0.1 + (bnc#450815): Tools: crm cli: do not generate id for the operations tag + ais: Add support for the new AIS IPC layer + ais: Always set header.error to the correct default: SA_AIS_OK + ais: Bug BNC#456243 - Ensure the membership cache always contains an entry for the local node + ais: Bug BNC:456208 - Prevent deadlocks by not logging in the child process before exec() + ais: By default, disable supprt for the WIP openais IPC patch + ais: Detect and handle situations where ais and the crm disagree on the node name + ais: Ensure crm_peer_seq is updated after a membership update + ais: Make sure all IPC header fields are set to sane defaults + ais: Repair and streamline service load now that whitetank startup functions correctly + build: create and install doc files + cib: Allow clients without mainloop to connect to the cib + cib: CID:18 - Fix use-of-NULL in cib_perform_op + cib: CID:18 - Repair errors introduced in b5a18704477b - Fix use-of-NULL in cib_perform_op + cib: Ensure diffs contain the correct values of admin_epoch + cib: Fix four moderately sized memory leaks detected by Valgrind + Core: CID:10 - Prevent indexing into an array of schemas with a negative value + Core: CID:13 - Fix memory leak in log_data_element + Core: CID:15 - Fix memory leak in crm_get_peer + Core: CID:6 - Fix use-of-NULL in copy_ha_msg_input + Core: Fix crash in the membership code preventing node shutdown + Core: Fix more memory leaks foudn by valgrind + Core: Prevent unterminated strings after decompression + crmd: Bug BNC:467995 - Delay marking STONITH operations complete until STONITH tells us so + crmd: Bug LF:1962 - Do not NACK peers because they are not (yet) in our membership. Just ignore them. + crmd: Bug LF:2010 - Ensure fencing cib updates create the node_state entry if needed to preent re-fencing during cluster startup + crmd: Correctly handle reconnections to attrd + crmd: Ensure updates for lost migrate operations indicate which node it tried to migrating to + crmd: If there are no nodes to finalize, start an election. + crmd: If there are no nodes to welcome, start an election. + crmd: Prevent node attribute loss by detecting attrd disconnections immediately + crmd: Prevent node re-probe loops by ensuring manditory actions always complete + pengine: Bug 2005 - Fix startup ordering of cloned stonith groups + pengine: Bug 2006 - Correctly reprobe cloned groups + pengine: Bug BNC:465484 - Fix the no-quorum-policy=suicide option + pengine: Bug LF:1996 - Correctly process disabled monitor operations + pengine: CID:19 - Fix use-of-NULL in determine_online_status + pengine: Clones now default to globally-unique=false + pengine: Correctly calculate the number of available nodes for the clone to use + pengine: Only shoot online nodes with no-quorum-policy=suicide + pengine: Prevent on-fail settings being ignored after a resource is successfully stopped + pengine: Prevent use-of-NULL for failed migrate actions in process_rsc_state() + pengine: Remove an optimization for the terminate node attribute that caused the cluster to block indefinitly + pengine: Repar the ability to colocate based on node attributes other than uname + pengine: Start the correct monitor operation for unmanaged masters + stonith: CID:3 - Fix another case of exceptionally poor error handling by the original stonith developers + stonith: CID:5 - Checking for NULL and then dereferencing it anyway is an interesting approach to error handling + stonithd: Sending IPC to the cluster is a privileged operation + stonithd: wrong checks for shmid (0 is a valid id) + Tools: attrd - Correctly determine when an attribute has stopped changing and should be committed to the CIB + Tools: Bug 2003 - pingd does not correctly detect failures when the interface is down + Tools: Bug 2003 - pingd does not correctly handle node-down events on multi-NIC systems + Tools: Bug 2021 - pingd does not detect sequence wrapping correctly, incorrectly reports nodes offline + Tools: Bug BNC:468066 - Do not use the result of uname() when its no longer in scope + Tools: Bug BNC:473265 - crm_resource -L dumps core + Tools: Bug LF:2001 - Transient node attributes should be set via attrd + Tools: Bug LF:2036 - crm_resource cannot set/get parameters for cloned resources + Tools: Bug LF:2046 - Node attribute updates are lost because attrd can take too long to start + Tools: Cause the correct clone instance to be failed with crm_resource -F + Tools: cluster_test - Allow the user to select a stack and fix CTS invocation + Tools: crm cli: allow rename only if the resource is stopped + Tools: crm cli: catch system errors on file operations + Tools: crm cli: completion for ids in configure + Tools: crm cli: drop '-rsc' from attributes for order constraint + Tools: crm cli: exit with an appropriate exit code + Tools: crm cli: fix wrong order of action and resource in order constraint + Tools: crm cli: fox wrong exit code + Tools: crm cli: improve handling of cib attributes + Tools: crm cli: new command: configure rename + Tools: crm cli: new command: configure upgrade + Tools: crm cli: new command: node delete + Tools: crm cli: prevent key errors on missing cib attributes + Tools: crm cli: print long help for help topics + Tools: crm cli: return on syntax error when parsing score + Tools: crm cli: rsc_location can be without nvpairs + Tools: crm cli: short node preference location constraint + Tools: crm cli: sometimes, on errors, level would change on single shot use + Tools: crm cli: syntax: drop a bunch of commas (remains of help tables conversion) + Tools: crm cli: verify user input for sanity + Tools: crm: find expressions within rules (do not always skip xml nodes due to used id) + Tools: crm_master should not define a set id now that attrd is used. Defining one can break lookups + Tools: crm_mon Use the OID assigned to the project by IANA for SNMP traps + Medium (bnc#445622): Tools: crm cli: improve the node show command and drop node status + Medium (LF 2009): stonithd: improve timeouts for remote fencing + Medium: ais: Allow dead peers to be removed from membership calculations + Medium: ais: Pass node deletion events on to clients + Medium: ais: Sanitize ipc usage + Medium: ais: Supply the node uname in addtion to the id + Medium: Build: Clean up configure to ensure NON_FATAL_CFLAGS is consistent with CFLAGS (ie. includes -g) + Medium: Build: Install cluster_test + Medium: Build: Use more restrictive CFLAGS and fix the resulting errors + Medium: cib: CID:20 - Fix potential use-after-free in cib_native_signon + Medium: Core: Bug BNC:474727 - Set a maximum time to wait for IPC messages + Medium: Core: CID:12 - Fix memory leak in decode_transition_magic error path + Medium: Core: CID:14 - Fix memory leak in calculate_xml_digest error path + Medium: Core: CID:16 - Fix memory leak in date_to_string error path + Medium: Core: Try to track down the cause of XML parsing errors + Medium: crmd: Bug BNC:472473 - Do not wait excessive amounts of time for lost actions + Medium: crmd: Bug BNC:472473 - Reduce the transition timeout to action_timeout+network_delay + Medium: crmd: Do not fast-track the processing of LRM refreshes when there are pending actions. + Medium: crmd: do_dc_join_filter_offer - Check the 'join' message is for the current instance before deciding to NACK peers + Medium: crmd: Find option values without having to do a config upgrade + Medium: crmd: Implement shutdown using a transient node attribute + Medium: crmd: Update the crmd options to use dashes instead of underscores + Medium: cts: Add 'cluster reattach' to the suite of automated regression tests + Medium: cts: cluster_test - Make some usability enhancements + Medium: CTS: cluster_test - suggest a valid port number + Medium: CTS: Fix python import order + Medium: cts: Implement an automated SplitBrain test + Medium: CTS: Remove references to deleted classes + Medium: Extra: Resources - Use HA_VARRUN instead of HA_RSCTMP for state files as Heartbeat removes HA_RSCTMP at startup + Medium: HB: Bug 1933 - Fake crmd_client_status_callback() calls because HB does not provide them for already running processes + Medium: pengine: CID:17 - Fix memory leak in find_actions_by_task error path + Medium: pengine: CID:7,8 - Prevent hypothetical use-of-NULL in LogActions + Medium: pengine: Defer logging the actions performed on a resource until we have processed ordering constraints + Medium: pengine: Remove the symmetrical attribute of colocation constraints + Medium: Resources: pingd - fix the meta defaults + Medium: Resources: Stateful - Add missing meta defaults + Medium: stonithd: exit if we the pid file cannot be locked + Medium: Tools: Allow attrd clients to specify the ID the attribute should be created with + Medium: Tools: attrd - Allow attribute updates to be performed from a hosts peer + Medium: Tools: Bug LF:1994 - Clean up crm_verify return codes + Medium: Tools: Change the pingd defaults to ping hosts once every second (instead of 5 times every 10 seconds) + Medium: Tools: cibmin - Detect resource operations with a view to providing email/snmp/cim notification + Medium: Tools: crm cli: add back symmetrical for order constraints + Medium: Tools: crm cli: generate role in location when converting from xml + Medium: Tools: crm cli: handle shlex exceptions + Medium: Tools: crm cli: keep order of help topics + Medium: Tools: crm cli: refine completion for ids in configure + Medium: Tools: crm cli: replace inf with INFINITY + Medium: Tools: crm cli: streamline cib load and parsing + Medium: Tools: crm cli: supply provider only for ocf class primitives + Medium: Tools: crm_mon - Add support for sending mail notifications of resource events + Medium: Tools: crm_mon - Include the DC version in status summary + Medium: Tools: crm_mon - Sanitize startup and option processing + Medium: Tools: crm_mon - switch to event-driven updates and add support for sending snmp traps + Medium: Tools: crm_shadow - Replace the --locate option with the saner --edit + Medium: Tools: hb2openais: do not remove Evmsd resources, but replace them with clvmd + Medium: Tools: hb2openais: replace crmadmin with crm_mon + Medium: Tools: hb2openais: replace the lsb class with ocf for o2cb + Medium: Tools: hb2openais: reuse code + Medium: Tools: LF:2029 - Display an error if crm_resource is used to reset the operation history of non-primitive resources + Medium: Tools: Make pingd resilient to attrd failures + Medium: Tools: pingd - fix the command line switches + Medium: Tools: Rename ccm_tool to crm_node * Tue Nov 18 2008 Andrew Beekhof - 1.0.1-1 - Update source tarball to revision: 6fc5ce8302ab (stable-1.0) tip - Statistics: Changesets: 170 Diff: 816 files changed, 7633 insertions(+), 6286 deletions(-) - Changes since Pacemaker-1.0.1 + ais: Allow the crmd to get callbacks whenever a node state changes + ais: Create an option for starting the mgmtd daemon automatically + ais: Ensure HA_RSCTMP exists for use by resource agents + ais: Hook up the openais.conf config logging options + ais: Zero out the PID of disconnecting clients + cib: Ensure global updates cause a disk write when appropriate + Core: Add an extra snaity check to getXpathResults() to prevent segfaults + Core: Do not redefine __FUNCTION__ unnecessarily + Core: Repair the ability to have comments in the configuration + crmd: Bug:1975 - crmd should wait indefinitely for stonith operations to complete + crmd: Ensure PE processing does not occur for all error cases in do_pe_invoke_callback + crmd: Requests to the CIB should cause any prior PE calculations to be ignored + heartbeat: Wait for membership 'up' events before removing stale node status data + pengine: Bug LF:1988 - Ensure recurring operations always have the correct target-rc set + pengine: Bug LF:1988 - For unmanaged resources we need to skip the usual can_run_resources() checks + pengine: Ensure the terminate node attribute is handled correctly + pengine: Fix optional colocation + pengine: Improve up the detection of 'new' nodes joining the cluster + pengine: Prevent assert failures in master_color() by ensuring unmanaged masters are always reallocated to their current location + Tools: crm cli: parser: return False on syntax error and None for comments + Tools: crm cli: unify template and edit commands + Tools: crm_shadow - Show more line number information after validation failures + Tools: hb2openais: add option to upgrade the CIB to v3.0 + Tools: hb2openais: add U option to getopts and update usage + Tools: hb2openais: backup improved and multiple fixes + Tools: hb2openais: fix class/provider reversal + Tools: hb2openais: fix testing + Tools: hb2openais: move the CIB update to the end + Tools: hb2openais: update logging and set logfile appropriately + Tools: LF:1969 - Attrd never sets any properties in the cib + Tools: Make attrd functional on OpenAIS + Medium: ais: Hook up the options for specifying the expected number of nodes and total quorum votes + Medium: ais: Look for pacemaker options inside the service block with 'name: pacemaker' instead of creating an addtional configuration block + Medium: ais: Provide better feedback when nodes change nodeids (in openais.conf) + Medium: cib: Always store cib contents on disk with num_updates=0 + Medium: cib: Ensure remote access ports are cleaned up on shutdown + Medium: crmd: Detect deleted resource operations automatically + Medium: crmd: Erase a nodes resource operations and transient attributes after a successful STONITH + Medium: crmd: Find a more appropriate place to update quorum and refresh attrd attributes + Medium: crmd: Fix the handling of unexpected PE exits to ensure the current CIB is stored + Medium: crmd: Fix the recording of pending operations in the CIB + Medium: crmd: Initiate an attrd refresh _after_ the status section has been fully repopulated + Medium: crmd: Only the DC should update quorum in an openais cluster + Medium: Ensure meta attributes are used consistantly + Medium: pengine: Allow group and clone level resource attributes + Medium: pengine: Bug N:437719 - Ensure scores from colocated resources count when allocating groups + Medium: pengine: Prevent lsb scripts from being used in globally unique clones + Medium: pengine: Make a best-effort guess at a migration threshold for people with 0.6 configs + Medium: Resources: controld - ensure we are part of a clone with globally_unique=false + Medium: Tools: attrd - Automatically refresh all attributes after a CIB replace operation + Medium: Tools: Bug LF:1985 - crm_mon - Correctly process failed cib queries to allow reconnection after cluster restarts + Medium: Tools: Bug LF:1987 - crm_verify incorrectly warns of configuration upgrades for the most recent version + Medium: Tools: crm (bnc#441028): check for key error in attributes management + Medium: Tools: crm_mon - display the meaning of the operation rc code instead of the status + Medium: Tools: crm_mon - Fix the display of timing data + Medium: Tools: crm_verify - check that we are being asked to validate a complete config + Medium: xml: Relax the restriction on the contents of rsc_locaiton.node * Thu Oct 16 2008 Andrew Beekhof - 1.0.0-1 - Update source tarball to revision: 388654dfef8f tip - Statistics: Changesets: 261 Diff: 3021 files changed, 244985 insertions(+), 111596 deletions(-) - Changes since f805e1b30103 + add the crm cli program + ais: Move the service id definition to a common location and make sure it is always used + build: rename hb2openais.sh to .in and replace paths with vars + cib: Implement --create for crm_shadow + cib: Remove dead files + Core: Allow the expected number of quorum votes to be configrable + Core: cl_malloc and friends were removed from Heartbeat + Core: Only call xmlCleanupParser() if we parsed anything. Doing so unconditionally seems to cause a segfault + hb2openais.sh: improve pingd handling; several bugs fixed + hb2openais: fix clone creation; replace EVMS strings + new hb2openais.sh conversion script + pengine: Bug LF:1950 - Ensure the current values for all notification variables are always set (even if empty) + pengine: Bug LF:1955 - Ensure unmanaged masters are unconditionally repromoted to ensure they are monitored correctly. + pengine: Bug LF:1955 - Fix another case of filtering causing unmanaged master failures + pengine: Bug LF:1955 - Umanaged mode prevents master resources from being allocated correctly + pengine: Bug N:420538 - Anit-colocation caused a positive node preference + pengine: Correctly handle unmanaged resources to prevent them from being started elsewhere + pengine: crm_resource - Fix the --migrate command + pengine: MAke stonith-enabled default to true and warn if no STONITH resources are found + pengine: Make sure orphaned clone children are created correctly + pengine: Monitors for unmanaged resources do not need to wait for start/promote/demote actions to complete + stonithd (LF 1951): fix remote stonith operations + stonithd: fix handling of timeouts + stonithd: fix logic for stonith resource priorities + stonithd: implement the fence-timeout instance attribute + stonithd: initialize value before reading fence-timeout + stonithd: set timeouts for fencing ops to the timeout of the start op + stonithd: stonith rsc priorities (new feature) + Tools: Add hb2openais - a tool for upgrading a Heartbeat cluster to use OpenAIS instead + Tools: crm_verify - clean up the upgrade logic to prevent crash on invalid configurations + Tools: Make pingd functional on Linux + Update version numbers for 1.0 candidates + Medium: ais: Add support for a synchronous call to retrieve the nodes nodeid + Medium: ais: Use the agreed service number + Medium: Build: Reliably detect heartbeat libraries during configure + Medium: Build: Supply prototypes for libreplace functions when needed + Medium: Build: Teach configure how to find corosync + Medium: Core: Provide better feedback if Pacemaker is started by a stack it does not support + Medium: crmd: Avoid calling GHashTable functions with NULL + Medium: crmd: Delay raising I_ERROR when the PE exits until we have had a chance to save the current CIB + Medium: crmd: Hook up the stonith-timeout option to stonithd + Medium: crmd: Prevent potential use-of-NULL in global_timer_callback + Medium: crmd: Rationalize the logging of graph aborts + Medium: pengine: Add a stonith_timeout option and remove new options that are better set in rsc_defaults + Medium: pengine: Allow external entities to ask for a node to be shot by creating a terminate=true transient node attribute + Medium: pengine: Bug LF:1950 - Notifications do not contain all documented resource state fields + Medium: pengine: Bug N:417585 - Do not restart group children whos individual score drops below zero + Medium: pengine: Detect clients that disconnect before receiving their reply + Medium: pengine: Implement a true maintenance mode + Medium: pengine: Implement on-fail=standby for NTT. Derived from a patch by Satomi TANIGUCHI + Medium: pengine: Print the correct message when stonith is disabled + Medium: pengine: ptest - check the input is valid before proceeding + Medium: pengine: Revert group stickiness to the 'old way' + Medium: pengine: Use the correct attribute for action 'requires' (was prereq) + Medium: stonithd: Fix compilation without full heartbeat install + Medium: stonithd: exit with better code on empty host list + Medium: tools: Add a new regression test for CLI tools + Medium: tools: crm_resource - return with non-zero when a resource migration command is invalid + Medium: tools: crm_shadow - Allow the admin to start with an empty CIB (and no cluster connection) + Medium: xml: pacemaker-0.7 is now an alias for the 1.0 schema * Mon Sep 22 2008 Andrew Beekhof - 0.7.3-1 - Update source tarball to revision: 33e677ab7764+ tip - Statistics: Changesets: 133 Diff: 89 files changed, 7492 insertions(+), 1125 deletions(-) - Changes since f805e1b30103 + Tools: add the crm cli program + Core: cl_malloc and friends were removed from Heartbeat + Core: Only call xmlCleanupParser() if we parsed anything. Doing so unconditionally seems to cause a segfault + new hb2openais.sh conversion script + pengine: Bug LF:1950 - Ensure the current values for all notification variables are always set (even if empty) + pengine: Bug LF:1955 - Ensure unmanaged masters are unconditionally repromoted to ensure they are monitored correctly. + pengine: Bug LF:1955 - Fix another case of filtering causing unmanaged master failures + pengine: Bug LF:1955 - Umanaged mode prevents master resources from being allocated correctly + pengine: Bug N:420538 - Anit-colocation caused a positive node preference + pengine: Correctly handle unmanaged resources to prevent them from being started elsewhere + pengine: crm_resource - Fix the --migrate command + pengine: MAke stonith-enabled default to true and warn if no STONITH resources are found + pengine: Make sure orphaned clone children are created correctly + pengine: Monitors for unmanaged resources do not need to wait for start/promote/demote actions to complete + stonithd (LF 1951): fix remote stonith operations + Tools: crm_verify - clean up the upgrade logic to prevent crash on invalid configurations + Medium: ais: Add support for a synchronous call to retrieve the nodes nodeid + Medium: ais: Use the agreed service number + Medium: pengine: Allow external entities to ask for a node to be shot by creating a terminate=true transient node attribute + Medium: pengine: Bug LF:1950 - Notifications do not contain all documented resource state fields + Medium: pengine: Bug N:417585 - Do not restart group children whos individual score drops below zero + Medium: pengine: Implement a true maintenance mode + Medium: pengine: Print the correct message when stonith is disabled + Medium: stonithd: exit with better code on empty host list + Medium: xml: pacemaker-0.7 is now an alias for the 1.0 schema * Wed Aug 20 2008 Andrew Beekhof - 0.7.1-1 - Update source tarball to revision: f805e1b30103+ tip - Statistics: Changesets: 184 Diff: 513 files changed, 43408 insertions(+), 43783 deletions(-) - Changes since 0.7.0-19 + Fix compilation when GNUTLS isnt found + admin: Fix use-after-free in crm_mon + Build: Remove testing code that prevented heartbeat-only builds + cib: Use single quotes so that the xpath queries for nvpairs will succeed + crmd: Always connect to stonithd when the TE starts and ensure we notice if it dies + crmd: Correctly handle a dead PE process + crmd: Make sure async-failures cause the failcount to be incrimented + pengine: Bug LF:1941 - Handle failed clone instance probes when clone-max < #nodes + pengine: Parse resource ordering sets correctly + pengine: Prevent use-of-NULL - order->rsc_rh will not always be non-NULL + pengine: Unpack colocation sets correctly + Tools: crm_mon - Prevent use-of-NULL for orphaned resources + Medium: ais: Add support for a synchronous call to retrieve the nodes nodeid + Medium: ais: Allow transient clients to receive membership updates + Medium: ais: Avoid double-free in error path + Medium: ais: Include in the mebership nodes for which we have not determined their hostname + Medium: ais: Spawn the PE from the ais plugin instead of the crmd + Medium: cib: By default, new configurations use the latest schema + Medium: cib: Clean up the CIB if it was already disconnected + Medium: cib: Only incriment num_updates if something actually changed + Medium: cib: Prevent use-after-free in client after abnormal termination of the CIB + Medium: Core: Fix memory leak in xpath searches + Medium: Core: Get more details regarding parser errors + Medium: Core: Repair expand_plus_plus - do not call char2score on unexpanded values + Medium: Core: Switch to the libxml2 parser - its significantly faster + Medium: Core: Use a libxml2 library function for xml -> text conversion + Medium: crmd: Asynchronous failure actions have no parameters + Medium: crmd: Avoid calling glib functions with NULL + Medium: crmd: Do not allow an election to promote a node from S_STARTING + Medium: crmd: Do not vote if we have not completed the local startup + Medium: crmd: Fix te_update_diff() now that get_object_root() functions differently + Medium: crmd: Fix the lrmd xpath expressions to not contain quotes + Medium: crmd: If we get a join offer during an election, better restart the election + Medium: crmd: No further processing is needed when using the LRMs API call for failing resources + Medium: crmd: Only update have-quorum if the value changed + Medium: crmd: Repair the input validation logic in do_te_invoke + Medium: cts: CIBs can no longer contain comments + Medium: cts: Enable a bunch of tests that were incorrectly disabled + Medium: cts: The libxml2 parser wont allow v1 resources to use integers as parameter names + Medium: Do not use the cluster UID and GID directly. Look them up based on the configured value of HA_CCMUSER + Medium: Fix compilation when heartbeat is not supported + Medium: pengine: Allow groups to be involved in optional ordering constraints + Medium: pengine: Allow sets of operations to be reused by multiple resources + Medium: pengine: Bug LF:1941 - Mark extra clone instances as orphans and do not show inactive ones + Medium: pengine: Determin the correct migration-threshold during resource expansion + Medium: pengine: Implement no-quorum-policy=suicide (FATE #303619) + Medium: pengine: Clean up resources after stopping old copies of the PE + Medium: pengine: Teach the PE how to stop old copies of itself + Medium: Tools: Backport hb_report updates + Medium: Tools: cib_shadow - On create, spawn a new shell with CIB_shadow and PS1 set accordingly + Medium: Tools: Rename cib_shadow to crm_shadow * Fri Jul 18 2008 Andrew Beekhof - 0.7.0-19 - Update source tarball to revision: 007c3a1c50f5 (unstable) tip - Statistics: Changesets: 108 Diff: 216 files changed, 4632 insertions(+), 4173 deletions(-) - Changes added since unstable-0.7 + admin: Fix use-after-free in crm_mon + ais: Change the tag for the ais plugin to "pacemaker" (used in openais.conf) + ais: Log terminated processes as an error + cib: Performance - Reorganize things to avoid calculating the XML diff twice + pengine: Bug LF:1941 - Handle failed clone instance probes when clone-max < #nodes + pengine: Fix memory leak in action2xml + pengine: Make OCF_ERR_ARGS a node-level error rather than a cluster-level one + pengine: Properly handle clones that are not installed on all nodes + Medium: admin: cibadmin - Show any validation errors if the upgrade failed + Medium: admin: cib_shadow - Implement --locate to display the underlying filename + Medium: admin: cib_shadow - Implement a --diff option + Medium: admin: cib_shadow - Implement a --switch option + Medium: admin: crm_resource - create more compact constraints that do not use lifetime (which is deprecated) + Medium: ais: Approximate born_on for OpenAIS based clusters + Medium: cib: Remove do_id_check, it is a poor substitute for ID validation by a schema + Medium: cib: Skip construction of pre-notify messages if no-one wants one + Medium: Core: Attempt to streamline some key functions to increase performance + Medium: Core: Clean up XML parser after validation + Medium: crmd: Detect and optimize the CRMs behavior when processing diffs of an LRM refresh + Medium: Fix memory leaks when resetting the name of an XML object + Medium: pengine: Prefer the current location if it is one of a group of nodes with the same (highest) score * Wed Jun 25 2008 Andrew Beekhof - 0.7.0-1 - Update source tarball to revision: bde0c7db74fb tip - Statistics: Changesets: 439 Diff: 676 files changed, 41310 insertions(+), 52071 deletions(-) - Changes added since stable-0.6 + A new tool for setting up and invoking CTS + Admin: All tools now use --node (-N) for specifying node unames + Admin: All tools now use --xml-file (-x) and --xml-text (-X) for specifying where to find XML blobs + cib: Cleanup the API - remove redundant input fields + cib: Implement CIB_shadow - a facility for making and testing changes before uploading them to the cluster + cib: Make registering per-op callbacks an API call and renamed (for clarity) the API call for requesting notifications + Core: Add a facility for automatically upgrading old configurations + Core: Adopt libxml2 as the XML processing library - all external clients need to be recompiled + Core: Allow sending TLS messages larger than the MTU + Core: Fix parsing of time-only ISO dates + Core: Smarter handling of XML values containing quotes + Core: XML memory corruption - catch, and handle, cases where we are overwriting an attribute value with itself + Core: The xml ID type does not allow UUIDs that start with a number + Core: Implement XPath based versions of query/delete/replace/modify + Core: Remove some HA2.0.(3,4) compatability code + crmd: Overhaul the detection of nodes that are starting vs. failed + pengine: Bug LF:1459 - Allow failures to expire + pengine: Have the PE do non-persistent configuration upgrades before performing calculations + pengine: Replace failure-stickiness with a simple 'migration-threshold' + tengine: Simplify the design by folding the tengine process into the crmd + Medium: Admin: Bug LF:1438 - Allow the list of all/active resource operations to be queried by crm_resource + Medium: Admin: Bug LF:1708 - crm_resource should print a warning if an attribute is already set as a meta attribute + Medium: Admin: Bug LF:1883 - crm_mon should display fail-count and operation history + Medium: Admin: Bug LF:1883 - crm_mon should display operation timing data + Medium: Admin: Bug N:371785 - crm_resource -C does not also clean up fail-count attributes + Medium: Admin: crm_mon - include timing data for failed actions + Medium: ais: Read options from the environment since objdb is not completely usable yet + Medium: cib: Add sections for op_defaults and rsc_defaults + Medium: cib: Better matching notification callbacks (for detecting duplicates and removal) + Medium: cib: Bug LF:1348 - Allow rules and attribute sets to be referenced for use in other objects + Medium: cib: BUG LF:1918 - By default, all cib calls now timeout after 30s + Medium: cib: Detect updates that decrease the version tuple + Medium: cib: Implement a client-side operation timeout - Requires LHA update + Medium: cib: Implement callbacks and async notifications for remote connections + Medium: cib: Make cib->cmds->update() an alias for modify at the API level (also implemented in cibadmin) + Medium: cib: Mark the CIB as disconnected if the IPC connection is terminated + Medium: cib: New call option 'cib_can_create' which can be passed to modify actions - allows the object to be created if it does not exist yet + Medium: cib: Reimplement get|set|delete attributes using XPath + Medium: cib: Remove some useless parts of the API + Medium: cib: Remove the 'attributes' scaffolding from the new format + Medium: cib: Implement the ability for clients to connect to remote servers + Medium: Core: Add support for validating xml against RelaxNG schemas + Medium: Core: Allow more than one item to be modified/deleted in XPath based operations + Medium: Core: Fix the sort_pairs function for creating sorted xml objects + Medium: Core: iso8601 - Implement subtract_duration and fix subtract_time + Medium: Core: Reduce the amount of xml copying occuring + Medium: Core: Support value='value+=N' XML updates (in addtion to value='value++') + Medium: crmd: Add support for lrm_ops->fail_rsc if its available + Medium: crmd: HB - watch link status for node leaving events + Medium: crmd: Bug LF:1924 - Improved handling of lrmd disconnects and shutdowns + Medium: crmd: Do not wait for actions with a start_delay over 5 minutes. Confirm them immediately + Medium: pengine: Bug LF:1328 - Do not fencing nodes in clusters without managed resources + Medium: pengine: Bug LF:1461 - Give transient node attributes (in ) preference over persistent ones (in ) + Medium: pengine: Bug LF:1884, Bug LF:1885 - Implement N:M ordering and colocation constraints + Medium: pengine: Bug LF:1886 - Create a resource and operation 'defaults' config section + Medium: pengine: Bug LF:1892 - Allow recurring actions to be triggered at known times + Medium: pengine: Bug LF:1926 - Probes should complete before stop actions are invoked + Medium: pengine: Fix the standby when its set as a transient attribute + Medium: pengine: Implement a global 'stop-all-resources' option + Medium: pengine: Implement cibpipe, a tool for performing/simulating config changes "offline" + Medium: pengine: We do not allow colocation with specific clone instances + Medium: Tools: pingd - Implement a stack-independant version of pingd + Medium: xml: Ship an xslt for upgrading from 0.6 to 0.7 * Thu Jun 19 2008 Andrew Beekhof - 0.6.5-1 - Update source tarball to revision: b9fe723d1ac5 tip - Statistics: Changesets: 48 Diff: 37 files changed, 1204 insertions(+), 234 deletions(-) - Changes since Pacemaker-0.6.4 + Admin: Repair the ability to delete failcounts + ais: Audit IPC handling between the AIS plugin and CRM processes + ais: Have the plugin create needed /var/lib directories + ais: Make sure the sync and async connections are assigned correctly (not swapped) + cib: Correctly detect configuration changes - num_updates does not count + pengine: Apply stickiness values to the whole group, not the individual resources + pengine: Bug N:385265 - Ensure groups are migrated instead of remaining partially active on the current node + pengine: Bug N:396293 - Enforce manditory group restarts due to ordering constraints + pengine: Correctly recover master instances found active on more than one node + pengine: Fix memory leaks reported by Valgrind + Medium: Admin: crm_mon - Misc improvements from Satomi Taniguchi + Medium: Bug LF:1900 - Resource stickiness should not allow placement in asynchronous clusters + Medium: crmd: Ensure joins are completed promptly when a node taking part dies + Medium: pengine: Avoid clone instance shuffling in more cases + Medium: pengine: Bug LF:1906 - Remove an optimization in native_merge_weights() causing group scores to behave eratically + Medium: pengine: Make use of target_rc data to correctly process resource operations + Medium: pengine: Prevent a possible use of NULL in sort_clone_instance() + Medium: tengine: Include target rc in the transition key - used to correctly determin operation failure * Thu May 22 2008 Andrew Beekhof - 0.6.4-1 - Update source tarball to revision: 226d8e356924 tip - Statistics: Changesets: 55 Diff: 199 files changed, 7103 insertions(+), 12378 deletions(-) - Changes since Pacemaker-0.6.3 + crmd: Bug LF:1881 LF:1882 - Overhaul the logic for operation cancelation and deletion + crmd: Bug LF:1894 - Make sure cancelled recurring operations are cleaned out from the CIB + pengine: Bug N:387749 - Colocation with clones causes unnecessary clone instance shuffling + pengine: Ensure 'master' monitor actions are cancelled _before_ we demote the resource + pengine: Fix assert failure leading to core dump - make sure variable is properly initialized + pengine: Make sure 'slave' monitoring happens after the resource has been demoted + pengine: Prevent failure stickiness underflows (where too many failures become a _positive_ preference) + Medium: Admin: crm_mon - Only complain if the output file could not be opened + Medium: Common: filter_action_parameters - enable legacy handling only for older versions + Medium: pengine: Bug N:385265 - The failure stickiness of group children is ignored until it reaches -INFINITY + Medium: pengine: Implement master and clone colocation by exlcuding nodes rather than setting ones score to INFINITY (similar to cs: 756afc42dc51) + Medium: tengine: Bug LF:1875 - Correctly find actions to cancel when their node leaves the cluster * Wed Apr 23 2008 Andrew Beekhof - 0.6.3-1 - Update source tarball to revision: fd8904c9bc67 tip - Statistics: Changesets: 117 Diff: 354 files changed, 19094 insertions(+), 11338 deletions(-) - Changes since Pacemaker-0.6.2 + Admin: Bug LF:1848 - crm_resource - Pass set name and id to delete_resource_attr() in the correct order + Build: SNMP has been moved to the management/pygui project + crmd: Bug LF1837 - Unmanaged resources prevent crmd from shutting down + crmd: Prevent use-after-free in lrm interface code (Patch based on work by Keisuke MORI) + pengine: Allow the cluster to make progress by not retrying failed demote actions + pengine: Anti-colocation with slave should not prevent master colocation + pengine: Bug LF 1768 - Wait more often for STONITH ops to complete before starting resources + pengine: Bug LF1836 - Allow is-managed-default=false to be overridden by individual resources + pengine: Bug LF185 - Prevent pointless master/slave instance shuffling by ignoring the master-pref of stopped instances + pengine: Bug N-191176 - Implement interleaved ordering for clone-to-clone scenarios + pengine: Bug N-347004 - Ensure clone notifications are always sent when an instance is stopped/started + pengine: Bug N-347004 - Include notification ordering is correct for interleaved clones + pengine: Bug PM-11 - Directly link probe_complete to starting clone instances + pengine: Bug PM1 - Fix setting failcounts when applied to complex resources + pengine: Bug PM12, LF1648 - Extensive revision of group ordering + pengine: Bug PM7 - Ensure masters are always demoted before they are stopped + pengine: Create probes after allocation to allow smarter handling of anonymous clones + pengine: Do not prioritize clone instances that must be moved + pengine: Fix error in previous commit that allowed more than the required number of masters to be promoted + pengine: Group start ordering fixes + pengine: Implement promote/demote ordering for cloned groups + tengine: Repair failcount updates + tengine: Use the correct offset when updating failcount + Medium: Admin: Add a summary output that can be easily parsed by CTS for audit purposes + Medium: Build: Make configure fail if bz2 or libxml2 are not present + Medium: Build: Re-instate a better default for LCRSODIR + Medium: CIB: Bug LF-1861 - Filter irrelvant error status from synchronous CIB clients + Medium: Core: Bug 1849 - Invalid conversion of ordinal leap year to gregorian date + Medium: Core: Drop compataibility code for 2.0.4 and 2.0.5 clusters + Medium: crmd: Bug LF-1860 - Automatically cancel recurring ops before demote and promote operations (not only stops) + Medium: crmd: Save the current CIB contents if we detect the PE crashed + Medium: pengine: Bug LF:1866 - Fix version check when applying compatability handling for failed start operations + Medium: pengine: Bug LF:1866 - Restore the ability to have start failures not be fatal + Medium: pengine: Bug PM1 - Failcount applies to all instances of non-unique clone + Medium: pengine: Correctly set the state of partially active master/slave groups + Medium: pengine: Do not claim to be stopping an already stopped orphan + Medium: pengine: Ensure implies_left ordering constraints are always effective + Medium: pengine: Indicate each resources 'promotion' score + Medium: pengine: Prevent a possible use-of-NULL + Medium: pengine: Reprocess the current action if it changed (so that any prior dependancies are updated) + Medium: tengine: Bug LF-1859 - Wait for fail-count updates to complete before terminating the transition + Medium: tengine: Bug LF:1859 - Do not abort graphs due to our own failcount updates + Medium: tengine: Bug LF:1859 - Prevent the TE from interupting itself * Thu Feb 14 2008 Andrew Beekhof - 0.6.2-1 - Update source tarball to revision: 28b1a8c1868b tip - Statistics: Changesets: 11 Diff: 7 files changed, 58 insertions(+), 18 deletions(-) - Changes since Pacemaker-0.6.1 + haresources2cib.py: set default-action-timeout to the default (20s) + haresources2cib.py: update ra parameters lists + Medium: SNMP: Allow the snmp subagent to be built (patch from MATSUDA, Daiki) + Medium: Tools: Make sure the autoconf variables in haresources2cib are expanded * Tue Feb 12 2008 Andrew Beekhof - 0.6.1-1 - Update source tarball to revision: e7152d1be933 tip - Statistics: Changesets: 25 Diff: 37 files changed, 1323 insertions(+), 227 deletions(-) - Changes since Pacemaker-0.6.0 + CIB: Ensure changes to top-level attributes (like admin_epoch) cause a disk write + CIB: Ensure the archived file hits the disk before returning + CIB: Repair the ability to do 'atomic incriment' updates (value="value++") + crmd: Bug #7 - Connecting to the crmd immediately after startup causes use-of-NULL + Medium: CIB: Mask cib_diff_resync results from the caller - they do not need to know + Medium: crmd: Delay starting the IPC server until we are fully functional + Medium: CTS: Fix the startup patterns + Medium: pengine: Bug 1820 - Allow the first resource in a group to be migrated + Medium: pengine: Bug 1820 - Check the colocation dependancies of resources to be migrated * Mon Jan 14 2008 Andrew Beekhof - 0.6.0-2 - This is the first release of the Pacemaker Cluster Resource Manager formerly part of Heartbeat. - For those looking for the GUI, mgmtd, CIM or TSA components, they are now found in the new pacemaker-pygui project. Build dependancies prevent them from being included in Heartbeat (since the built-in CRM is no longer supported) and, being non-core components, are not included with Pacemaker. - Update source tarball to revision: c94b92d550cf - Statistics: Changesets: 347 Diff: 2272 files changed, 132508 insertions(+), 305991 deletions(-) - Test hardware: + 6-node vmware cluster (sles10-sp1/256Mb/vmware stonith) on a single host (opensuse10.3/2Gb/2.66Ghz Quad Core2) + 7-node EMC Centera cluster (sles10/512Mb/2Ghz Xeon/ssh stonith) - Notes: Heartbeat Stack + All testing was performed with STONITH enabled + The CRM was enabled using the "crm respawn" directive - Notes: OpenAIS Stack + This release contains a preview of support for the OpenAIS cluster stack + The current release of the OpenAIS project is missing two important patches that we require. OpenAIS packages containing these patches are available for most major distributions at: http://download.opensuse.org/repositories/server:/ha-clustering + The OpenAIS stack is not currently recommended for use in clusters that have shared data as STONITH support is not yet implimented + pingd is not yet available for use with the OpenAIS stack + 3 significant OpenAIS issues were found during testing of 4 and 6 node clusters. We are activly working together with the OpenAIS project to get these resolved. - Pending bugs encountered during testing: + OpenAIS #1736 - Openais membership took 20s to stabilize + Heartbeat #1750 - ipc_bufpool_update: magic number in head does not match + OpenAIS #1793 - Assertion failure in memb_state_gather_enter() + OpenAIS #1796 - Cluster message corruption - Changes since Heartbeat-2.1.2-24 + Add OpenAIS support + Admin: crm_uuid - Look in the right place for Heartbeat UUID files + admin: Exit and indicate a problem if the crmd exits while crmadmin is performing a query + cib: Fix CIB_OP_UPDATE calls that modify the whole CIB + cib: Fix compilation when supporting the heartbeat stack + cib: Fix memory leaks caused by the switch to get_message_xml() + cib: HA_VALGRIND_ENABLED needs to be set _and_ set to 1|yes|true + cib: Use get_message_xml() in preference to cl_get_struct() + cib: Use the return value from call to write() in cib_send_plaintext() + Core: ccm nodes can legitimately have a node id of 0 + Core: Fix peer-process tracking for the Heartbeat stack + Core: Heartbeat does not send status notifications for nodes that were already part of the cluster. Fake them instead + CRM: Add children to HA_Messages such that the field name matches F_XML_TAGNAME + crm: Adopt a more flexible appraoch to enabling Valgrind + crm: Fix compilation when bzip2 is not installed + CRM: Future-proof get_message_xml() + crmd: Filter election responses based on time not FSA state + crmd: Handle all possible peer states in crmd_ha_status_callback() + crmd: Make sure the current date/time is set - prevents use-of-NULL when evaluating rules + crmd: Relax an assertion regrading ccm membership instances + crmd: Use (node->processes&crm_proc_ais) to accurately update the CIB after replace operations + crmd: Heartbeat: Accurately record peer client status + pengine: Bug 1777 - Allow colocation with a resource in the Stopped state + pengine: Bug 1822 - Prevent use-of-NULL in PromoteRsc() + pengine: Implement three recovery policies based on op_status and op_rc + pengine: Parse fail-count correctly (it may be set to ININFITY) + pengine: Prevent graph-loop when stonith agents need to be moved around before a STONITH op + pengine: Prevent graph-loops when two operations have the same name+interval + tengine: Cancel active timers when destroying graphs + tengine: Ensure failcount is set correctly for failed stops/starts + tengine: Update failcount for oeprations that time out + Medium: admin: Prevent hang in crm_mon -1 when there is no cib connection - Patch from Junko IKEDA + Medium: cib: Require --force|-f when performing potentially dangerous commands with cibadmin + Medium: cib: Tweak the shutdown code + Medium: Common: Only count peer processes of active nodes + Medium: Core: Create generic cluster sign-in method + Medium: core: Fix compilation when Heartbeat support is disabled + Medium: Core: General cleanup for supporting two stacks + Medium: Core: iso6601 - Support parsing of time-only strings + Medium: core: Isolate more code that is only needed when SUPPORT_HEARTBEAT is enabled + Medium: crm: Improved logging of errors in the XML parser + Medium: crmd: Fix potential use-of-NULL in string comparison + Medium: crmd: Reimpliment syncronizing of CIB queries and updates when invoking the PE + Medium: crm_mon: Indicate when a node is both in standby mode and offline + Medium: pengine: Bug 1822 - Do not try an promote groups if not all of it is active + Medium: pengine: on_fail=nothing is an alias for 'ignore' not 'restart' + Medium: pengine: Prevent a potential use-of-NULL in cron_range_satisfied() + snmp subagent: fix a problem on displaying an unmanaged group + snmp subagent: use the syslog setting + snmp: v2 support (thanks to Keisuke MORI) + snmp_subagent - made it not complain about some things if shutting down * Mon Dec 10 2007 Andrew Beekhof - 0.6.0-1 - Initial opensuse package check-in pacemaker-master/Doxyfile.in000066400000000000000000002157061217637305600164370ustar00rootroot00000000000000# Doxyfile 1.7.4 # This file describes the settings to be used by the documentation system # doxygen (www.doxygen.org) for a project. # # All text after a hash (#) is considered a comment and will be ignored. # The format is: # TAG = value [value, ...] # For lists items can also be appended using: # TAG += value [value, ...] # Values that contain spaces should be placed between quotes (" "). #--------------------------------------------------------------------------- # Project related configuration options #--------------------------------------------------------------------------- # This tag specifies the encoding used for all characters in the config file # that follow. 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Note that the value works on # a logarithmic scale so increasing the size by one will roughly double the # memory usage. The cache size is given by this formula: # 2^(16+SYMBOL_CACHE_SIZE). The valid range is 0..9, the default is 0, # corresponding to a cache size of 2^16 = 65536 symbols SYMBOL_CACHE_SIZE = 0 #--------------------------------------------------------------------------- # Build related configuration options #--------------------------------------------------------------------------- # If the EXTRACT_ALL tag is set to YES doxygen will assume all entities in # documentation are documented, even if no documentation was available. # Private class members and static file members will be hidden unless # the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES EXTRACT_ALL = YES # If the EXTRACT_PRIVATE tag is set to YES all private members of a class # will be included in the documentation. EXTRACT_PRIVATE = NO # If the EXTRACT_STATIC tag is set to YES all static members of a file # will be included in the documentation. EXTRACT_STATIC = NO # If the EXTRACT_LOCAL_CLASSES tag is set to YES classes (and structs) # defined locally in source files will be included in the documentation. # If set to NO only classes defined in header files are included. EXTRACT_LOCAL_CLASSES = NO # This flag is only useful for Objective-C code. When set to YES local # methods, which are defined in the implementation section but not in # the interface are included in the documentation. # If set to NO (the default) only methods in the interface are included. EXTRACT_LOCAL_METHODS = NO # If this flag is set to YES, the members of anonymous namespaces will be # extracted and appear in the documentation as a namespace called # 'anonymous_namespace{file}', where file will be replaced with the base # name of the file that contains the anonymous namespace. By default # anonymous namespaces are hidden. EXTRACT_ANON_NSPACES = NO # If the HIDE_UNDOC_MEMBERS tag is set to YES, Doxygen will hide all # undocumented members of documented classes, files or namespaces. # If set to NO (the default) these members will be included in the # various overviews, but no documentation section is generated. # This option has no effect if EXTRACT_ALL is enabled. HIDE_UNDOC_MEMBERS = NO # If the HIDE_UNDOC_CLASSES tag is set to YES, Doxygen will hide all # undocumented classes that are normally visible in the class hierarchy. # If set to NO (the default) these classes will be included in the various # overviews. This option has no effect if EXTRACT_ALL is enabled. HIDE_UNDOC_CLASSES = NO # If the HIDE_FRIEND_COMPOUNDS tag is set to YES, Doxygen will hide all # friend (class|struct|union) declarations. # If set to NO (the default) these declarations will be included in the # documentation. HIDE_FRIEND_COMPOUNDS = NO # If the HIDE_IN_BODY_DOCS tag is set to YES, Doxygen will hide any # documentation blocks found inside the body of a function. # If set to NO (the default) these blocks will be appended to the # function's detailed documentation block. HIDE_IN_BODY_DOCS = NO # The INTERNAL_DOCS tag determines if documentation # that is typed after a \internal command is included. If the tag is set # to NO (the default) then the documentation will be excluded. # Set it to YES to include the internal documentation. INTERNAL_DOCS = NO # If the CASE_SENSE_NAMES tag is set to NO then Doxygen will only generate # file names in lower-case letters. If set to YES upper-case letters are also # allowed. This is useful if you have classes or files whose names only differ # in case and if your file system supports case sensitive file names. Windows # and Mac users are advised to set this option to NO. CASE_SENSE_NAMES = YES # If the HIDE_SCOPE_NAMES tag is set to NO (the default) then Doxygen # will show members with their full class and namespace scopes in the # documentation. If set to YES the scope will be hidden. HIDE_SCOPE_NAMES = NO # If the SHOW_INCLUDE_FILES tag is set to YES (the default) then Doxygen # will put a list of the files that are included by a file in the documentation # of that file. SHOW_INCLUDE_FILES = YES # If the FORCE_LOCAL_INCLUDES tag is set to YES then Doxygen # will list include files with double quotes in the documentation # rather than with sharp brackets. FORCE_LOCAL_INCLUDES = NO # If the INLINE_INFO tag is set to YES (the default) then a tag [inline] # is inserted in the documentation for inline members. INLINE_INFO = YES # If the SORT_MEMBER_DOCS tag is set to YES (the default) then doxygen # will sort the (detailed) documentation of file and class members # alphabetically by member name. If set to NO the members will appear in # declaration order. SORT_MEMBER_DOCS = YES # If the SORT_BRIEF_DOCS tag is set to YES then doxygen will sort the # brief documentation of file, namespace and class members alphabetically # by member name. If set to NO (the default) the members will appear in # declaration order. SORT_BRIEF_DOCS = NO # If the SORT_MEMBERS_CTORS_1ST tag is set to YES then doxygen # will sort the (brief and detailed) documentation of class members so that # constructors and destructors are listed first. If set to NO (the default) # the constructors will appear in the respective orders defined by # SORT_MEMBER_DOCS and SORT_BRIEF_DOCS. # This tag will be ignored for brief docs if SORT_BRIEF_DOCS is set to NO # and ignored for detailed docs if SORT_MEMBER_DOCS is set to NO. SORT_MEMBERS_CTORS_1ST = YES # If the SORT_GROUP_NAMES tag is set to YES then doxygen will sort the # hierarchy of group names into alphabetical order. If set to NO (the default) # the group names will appear in their defined order. SORT_GROUP_NAMES = NO # If the SORT_BY_SCOPE_NAME tag is set to YES, the class list will be # sorted by fully-qualified names, including namespaces. If set to # NO (the default), the class list will be sorted only by class name, # not including the namespace part. # Note: This option is not very useful if HIDE_SCOPE_NAMES is set to YES. # Note: This option applies only to the class list, not to the # alphabetical list. SORT_BY_SCOPE_NAME = NO # If the STRICT_PROTO_MATCHING option is enabled and doxygen fails to # do proper type resolution of all parameters of a function it will reject a # match between the prototype and the implementation of a member function even # if there is only one candidate or it is obvious which candidate to choose # by doing a simple string match. By disabling STRICT_PROTO_MATCHING doxygen # will still accept a match between prototype and implementation in such cases. STRICT_PROTO_MATCHING = NO # The GENERATE_TODOLIST tag can be used to enable (YES) or # disable (NO) the todo list. This list is created by putting \todo # commands in the documentation. GENERATE_TODOLIST = YES # The GENERATE_TESTLIST tag can be used to enable (YES) or # disable (NO) the test list. This list is created by putting \test # commands in the documentation. GENERATE_TESTLIST = YES # The GENERATE_BUGLIST tag can be used to enable (YES) or # disable (NO) the bug list. This list is created by putting \bug # commands in the documentation. GENERATE_BUGLIST = YES # The GENERATE_DEPRECATEDLIST tag can be used to enable (YES) or # disable (NO) the deprecated list. This list is created by putting # \deprecated commands in the documentation. GENERATE_DEPRECATEDLIST= YES # The ENABLED_SECTIONS tag can be used to enable conditional # documentation sections, marked by \if sectionname ... \endif. ENABLED_SECTIONS = # The MAX_INITIALIZER_LINES tag determines the maximum number of lines # the initial value of a variable or macro consists of for it to appear in # the documentation. If the initializer consists of more lines than specified # here it will be hidden. Use a value of 0 to hide initializers completely. # The appearance of the initializer of individual variables and macros in the # documentation can be controlled using \showinitializer or \hideinitializer # command in the documentation regardless of this setting. MAX_INITIALIZER_LINES = 30 # Set the SHOW_USED_FILES tag to NO to disable the list of files generated # at the bottom of the documentation of classes and structs. If set to YES the # list will mention the files that were used to generate the documentation. SHOW_USED_FILES = YES # If the sources in your project are distributed over multiple directories # then setting the SHOW_DIRECTORIES tag to YES will show the directory hierarchy # in the documentation. The default is NO. SHOW_DIRECTORIES = NO # Set the SHOW_FILES tag to NO to disable the generation of the Files page. # This will remove the Files entry from the Quick Index and from the # Folder Tree View (if specified). The default is YES. SHOW_FILES = YES # Set the SHOW_NAMESPACES tag to NO to disable the generation of the # Namespaces page. # This will remove the Namespaces entry from the Quick Index # and from the Folder Tree View (if specified). The default is YES. SHOW_NAMESPACES = YES # The FILE_VERSION_FILTER tag can be used to specify a program or script that # doxygen should invoke to get the current version for each file (typically from # the version control system). Doxygen will invoke the program by executing (via # popen()) the command , where is the value of # the FILE_VERSION_FILTER tag, and is the name of an input file # provided by doxygen. Whatever the program writes to standard output # is used as the file version. See the manual for examples. FILE_VERSION_FILTER = # The LAYOUT_FILE tag can be used to specify a layout file which will be parsed # by doxygen. The layout file controls the global structure of the generated # output files in an output format independent way. The create the layout file # that represents doxygen's defaults, run doxygen with the -l option. # You can optionally specify a file name after the option, if omitted # DoxygenLayout.xml will be used as the name of the layout file. LAYOUT_FILE = #--------------------------------------------------------------------------- # configuration options related to warning and progress messages #--------------------------------------------------------------------------- # The QUIET tag can be used to turn on/off the messages that are generated # by doxygen. Possible values are YES and NO. If left blank NO is used. QUIET = NO # The WARNINGS tag can be used to turn on/off the warning messages that are # generated by doxygen. Possible values are YES and NO. If left blank # NO is used. WARNINGS = YES # If WARN_IF_UNDOCUMENTED is set to YES, then doxygen will generate warnings # for undocumented members. If EXTRACT_ALL is set to YES then this flag will # automatically be disabled. WARN_IF_UNDOCUMENTED = YES # If WARN_IF_DOC_ERROR is set to YES, doxygen will generate warnings for # potential errors in the documentation, such as not documenting some # parameters in a documented function, or documenting parameters that # don't exist or using markup commands wrongly. WARN_IF_DOC_ERROR = YES # The WARN_NO_PARAMDOC option can be enabled to get warnings for # functions that are documented, but have no documentation for their parameters # or return value. If set to NO (the default) doxygen will only warn about # wrong or incomplete parameter documentation, but not about the absence of # documentation. WARN_NO_PARAMDOC = NO # The WARN_FORMAT tag determines the format of the warning messages that # doxygen can produce. The string should contain the $file, $line, and $text # tags, which will be replaced by the file and line number from which the # warning originated and the warning text. Optionally the format may contain # $version, which will be replaced by the version of the file (if it could # be obtained via FILE_VERSION_FILTER) WARN_FORMAT = "$file:$line: $text" # The WARN_LOGFILE tag can be used to specify a file to which warning # and error messages should be written. If left blank the output is written # to stderr. WARN_LOGFILE = #--------------------------------------------------------------------------- # configuration options related to the input files #--------------------------------------------------------------------------- # The INPUT tag can be used to specify the files and/or directories that contain # documented source files. You may enter file names like "myfile.cpp" or # directories like "/usr/src/myproject". Separate the files or directories # with spaces. INPUT = include/crm include/crm_config.h include/doxygen.h # This tag can be used to specify the character encoding of the source files # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is # also the default input encoding. Doxygen uses libiconv (or the iconv built # into libc) for the transcoding. See http://www.gnu.org/software/libiconv for # the list of possible encodings. INPUT_ENCODING = UTF-8 # If the value of the INPUT tag contains directories, you can use the # FILE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank the following patterns are tested: # *.c *.cc *.cxx *.cpp *.c++ *.d *.java *.ii *.ixx *.ipp *.i++ *.inl *.h *.hh # *.hxx *.hpp *.h++ *.idl *.odl *.cs *.php *.php3 *.inc *.m *.mm *.dox *.py # *.f90 *.f *.for *.vhd *.vhdl FILE_PATTERNS = # The RECURSIVE tag can be used to turn specify whether or not subdirectories # should be searched for input files as well. Possible values are YES and NO. # If left blank NO is used. RECURSIVE = YES # The EXCLUDE tag can be used to specify files and/or directories that should # excluded from the INPUT source files. This way you can easily exclude a # subdirectory from a directory tree whose root is specified with the INPUT tag. EXCLUDE = # The EXCLUDE_SYMLINKS tag can be used select whether or not files or # directories that are symbolic links (a Unix file system feature) are excluded # from the input. EXCLUDE_SYMLINKS = NO # If the value of the INPUT tag contains directories, you can use the # EXCLUDE_PATTERNS tag to specify one or more wildcard patterns to exclude # certain files from those directories. Note that the wildcards are matched # against the file with absolute path, so to exclude all test directories # for example use the pattern */test/* EXCLUDE_PATTERNS = # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names # (namespaces, classes, functions, etc.) that should be excluded from the # output. The symbol name can be a fully qualified name, a word, or if the # wildcard * is used, a substring. Examples: ANamespace, AClass, # AClass::ANamespace, ANamespace::*Test EXCLUDE_SYMBOLS = # The EXAMPLE_PATH tag can be used to specify one or more files or # directories that contain example code fragments that are included (see # the \include command). EXAMPLE_PATH = . # If the value of the EXAMPLE_PATH tag contains directories, you can use the # EXAMPLE_PATTERNS tag to specify one or more wildcard pattern (like *.cpp # and *.h) to filter out the source-files in the directories. If left # blank all files are included. EXAMPLE_PATTERNS = # If the EXAMPLE_RECURSIVE tag is set to YES then subdirectories will be # searched for input files to be used with the \include or \dontinclude # commands irrespective of the value of the RECURSIVE tag. # Possible values are YES and NO. If left blank NO is used. EXAMPLE_RECURSIVE = YES # The IMAGE_PATH tag can be used to specify one or more files or # directories that contain image that are included in the documentation (see # the \image command). IMAGE_PATH = # The INPUT_FILTER tag can be used to specify a program that doxygen should # invoke to filter for each input file. Doxygen will invoke the filter program # by executing (via popen()) the command , where # is the value of the INPUT_FILTER tag, and is the name of an # input file. Doxygen will then use the output that the filter program writes # to standard output. # If FILTER_PATTERNS is specified, this tag will be # ignored. INPUT_FILTER = # The FILTER_PATTERNS tag can be used to specify filters on a per file pattern # basis. # Doxygen will compare the file name with each pattern and apply the # filter if there is a match. # The filters are a list of the form: # pattern=filter (like *.cpp=my_cpp_filter). See INPUT_FILTER for further # info on how filters are used. If FILTER_PATTERNS is empty or if # non of the patterns match the file name, INPUT_FILTER is applied. FILTER_PATTERNS = # If the FILTER_SOURCE_FILES tag is set to YES, the input filter (if set using # INPUT_FILTER) will be used to filter the input files when producing source # files to browse (i.e. when SOURCE_BROWSER is set to YES). FILTER_SOURCE_FILES = NO # The FILTER_SOURCE_PATTERNS tag can be used to specify source filters per file # pattern. A pattern will override the setting for FILTER_PATTERN (if any) # and it is also possible to disable source filtering for a specific pattern # using *.ext= (so without naming a filter). This option only has effect when # FILTER_SOURCE_FILES is enabled. FILTER_SOURCE_PATTERNS = #--------------------------------------------------------------------------- # configuration options related to source browsing #--------------------------------------------------------------------------- # If the SOURCE_BROWSER tag is set to YES then a list of source files will # be generated. Documented entities will be cross-referenced with these sources. # Note: To get rid of all source code in the generated output, make sure also # VERBATIM_HEADERS is set to NO. SOURCE_BROWSER = YES # Setting the INLINE_SOURCES tag to YES will include the body # of functions and classes directly in the documentation. INLINE_SOURCES = NO # Setting the STRIP_CODE_COMMENTS tag to YES (the default) will instruct # doxygen to hide any special comment blocks from generated source code # fragments. Normal C and C++ comments will always remain visible. STRIP_CODE_COMMENTS = YES # If the REFERENCED_BY_RELATION tag is set to YES # then for each documented function all documented # functions referencing it will be listed. REFERENCED_BY_RELATION = NO # If the REFERENCES_RELATION tag is set to YES # then for each documented function all documented entities # called/used by that function will be listed. REFERENCES_RELATION = NO # If the REFERENCES_LINK_SOURCE tag is set to YES (the default) # and SOURCE_BROWSER tag is set to YES, then the hyperlinks from # functions in REFERENCES_RELATION and REFERENCED_BY_RELATION lists will # link to the source code. # Otherwise they will link to the documentation. REFERENCES_LINK_SOURCE = YES # If the USE_HTAGS tag is set to YES then the references to source code # will point to the HTML generated by the htags(1) tool instead of doxygen # built-in source browser. The htags tool is part of GNU's global source # tagging system (see http://www.gnu.org/software/global/global.html). You # will need version 4.8.6 or higher. USE_HTAGS = NO # If the VERBATIM_HEADERS tag is set to YES (the default) then Doxygen # will generate a verbatim copy of the header file for each class for # which an include is specified. Set to NO to disable this. VERBATIM_HEADERS = YES #--------------------------------------------------------------------------- # configuration options related to the alphabetical class index #--------------------------------------------------------------------------- # If the ALPHABETICAL_INDEX tag is set to YES, an alphabetical index # of all compounds will be generated. Enable this if the project # contains a lot of classes, structs, unions or interfaces. ALPHABETICAL_INDEX = YES # If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then # the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns # in which this list will be split (can be a number in the range [1..20]) COLS_IN_ALPHA_INDEX = 5 # In case all classes in a project start with a common prefix, all # classes will be put under the same header in the alphabetical index. # The IGNORE_PREFIX tag can be used to specify one or more prefixes that # should be ignored while generating the index headers. IGNORE_PREFIX = #--------------------------------------------------------------------------- # configuration options related to the HTML output #--------------------------------------------------------------------------- # If the GENERATE_HTML tag is set to YES (the default) Doxygen will # generate HTML output. GENERATE_HTML = YES # The HTML_OUTPUT tag is used to specify where the HTML docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `html' will be used as the default path. HTML_OUTPUT = html # The HTML_FILE_EXTENSION tag can be used to specify the file extension for # each generated HTML page (for example: .htm,.php,.asp). If it is left blank # doxygen will generate files with .html extension. HTML_FILE_EXTENSION = .html # The HTML_HEADER tag can be used to specify a personal HTML header for # each generated HTML page. If it is left blank doxygen will generate a # standard header. Note that when using a custom header you are responsible # for the proper inclusion of any scripts and style sheets that doxygen # needs, which is dependent on the configuration options used. # It is adviced to generate a default header using "doxygen -w html # header.html footer.html stylesheet.css YourConfigFile" and then modify # that header. Note that the header is subject to change so you typically # have to redo this when upgrading to a newer version of doxygen or when changing the value of configuration settings such as GENERATE_TREEVIEW! HTML_HEADER = # The HTML_FOOTER tag can be used to specify a personal HTML footer for # each generated HTML page. If it is left blank doxygen will generate a # standard footer. HTML_FOOTER = # If the HTML_TIMESTAMP tag is set to YES then the generated HTML documentation will contain the timesstamp. HTML_TIMESTAMP = NO # The HTML_STYLESHEET tag can be used to specify a user-defined cascading # style sheet that is used by each HTML page. It can be used to # fine-tune the look of the HTML output. If the tag is left blank doxygen # will generate a default style sheet. Note that doxygen will try to copy # the style sheet file to the HTML output directory, so don't put your own # stylesheet in the HTML output directory as well, or it will be erased! HTML_STYLESHEET = # The HTML_EXTRA_FILES tag can be used to specify one or more extra images or # other source files which should be copied to the HTML output directory. Note # that these files will be copied to the base HTML output directory. Use the # $relpath$ marker in the HTML_HEADER and/or HTML_FOOTER files to load these # files. In the HTML_STYLESHEET file, use the file name only. Also note that # the files will be copied as-is; there are no commands or markers available. HTML_EXTRA_FILES = # The HTML_COLORSTYLE_HUE tag controls the color of the HTML output. # Doxygen will adjust the colors in the stylesheet and background images # according to this color. Hue is specified as an angle on a colorwheel, # see http://en.wikipedia.org/wiki/Hue for more information. # For instance the value 0 represents red, 60 is yellow, 120 is green, # 180 is cyan, 240 is blue, 300 purple, and 360 is red again. # The allowed range is 0 to 359. HTML_COLORSTYLE_HUE = 220 # The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of # the colors in the HTML output. For a value of 0 the output will use # grayscales only. A value of 255 will produce the most vivid colors. HTML_COLORSTYLE_SAT = 100 # The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to # the luminance component of the colors in the HTML output. Values below # 100 gradually make the output lighter, whereas values above 100 make # the output darker. The value divided by 100 is the actual gamma applied, # so 80 represents a gamma of 0.8, The value 220 represents a gamma of 2.2, # and 100 does not change the gamma. HTML_COLORSTYLE_GAMMA = 80 # If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML # page will contain the date and time when the page was generated. Setting # this to NO can help when comparing the output of multiple runs. HTML_TIMESTAMP = YES # If the HTML_ALIGN_MEMBERS tag is set to YES, the members of classes, # files or namespaces will be aligned in HTML using tables. If set to # NO a bullet list will be used. HTML_ALIGN_MEMBERS = YES # If the HTML_DYNAMIC_SECTIONS tag is set to YES then the generated HTML # documentation will contain sections that can be hidden and shown after the # page has loaded. For this to work a browser that supports # JavaScript and DHTML is required (for instance Mozilla 1.0+, Firefox # Netscape 6.0+, Internet explorer 5.0+, Konqueror, or Safari). HTML_DYNAMIC_SECTIONS = NO # If the GENERATE_DOCSET tag is set to YES, additional index files # will be generated that can be used as input for Apple's Xcode 3 # integrated development environment, introduced with OSX 10.5 (Leopard). # To create a documentation set, doxygen will generate a Makefile in the # HTML output directory. Running make will produce the docset in that # directory and running "make install" will install the docset in # ~/Library/Developer/Shared/Documentation/DocSets so that Xcode will find # it at startup. # See http://developer.apple.com/tools/creatingdocsetswithdoxygen.html # for more information. GENERATE_DOCSET = NO # When GENERATE_DOCSET tag is set to YES, this tag determines the name of the # feed. A documentation feed provides an umbrella under which multiple # documentation sets from a single provider (such as a company or product suite) # can be grouped. DOCSET_FEEDNAME = "Doxygen generated docs" # When GENERATE_DOCSET tag is set to YES, this tag specifies a string that # should uniquely identify the documentation set bundle. This should be a # reverse domain-name style string, e.g. com.mycompany.MyDocSet. Doxygen # will append .docset to the name. DOCSET_BUNDLE_ID = org.doxygen.Pacemaker # When GENERATE_PUBLISHER_ID tag specifies a string that should uniquely identify # the documentation publisher. This should be a reverse domain-name style # string, e.g. com.mycompany.MyDocSet.documentation. DOCSET_PUBLISHER_ID = org.doxygen.ClusterLabs # The GENERATE_PUBLISHER_NAME tag identifies the documentation publisher. DOCSET_PUBLISHER_NAME = ClusterLabs # If the GENERATE_HTMLHELP tag is set to YES, additional index files # will be generated that can be used as input for tools like the # Microsoft HTML help workshop to generate a compiled HTML help file (.chm) # of the generated HTML documentation. GENERATE_HTMLHELP = NO # If the GENERATE_HTMLHELP tag is set to YES, the CHM_FILE tag can # be used to specify the file name of the resulting .chm file. You # can add a path in front of the file if the result should not be # written to the html output directory. CHM_FILE = # If the GENERATE_HTMLHELP tag is set to YES, the HHC_LOCATION tag can # be used to specify the location (absolute path including file name) of # the HTML help compiler (hhc.exe). If non-empty doxygen will try to run # the HTML help compiler on the generated index.hhp. HHC_LOCATION = # If the GENERATE_HTMLHELP tag is set to YES, the GENERATE_CHI flag # controls if a separate .chi index file is generated (YES) or that # it should be included in the master .chm file (NO). GENERATE_CHI = NO # If the GENERATE_HTMLHELP tag is set to YES, the CHM_INDEX_ENCODING # is used to encode HtmlHelp index (hhk), content (hhc) and project file # content. CHM_INDEX_ENCODING = # If the GENERATE_HTMLHELP tag is set to YES, the BINARY_TOC flag # controls whether a binary table of contents is generated (YES) or a # normal table of contents (NO) in the .chm file. BINARY_TOC = NO # The TOC_EXPAND flag can be set to YES to add extra items for group members # to the contents of the HTML help documentation and to the tree view. TOC_EXPAND = NO # If the GENERATE_QHP tag is set to YES and both QHP_NAMESPACE and # QHP_VIRTUAL_FOLDER are set, an additional index file will be generated # that can be used as input for Qt's qhelpgenerator to generate a # Qt Compressed Help (.qch) of the generated HTML documentation. GENERATE_QHP = NO # If the QHG_LOCATION tag is specified, the QCH_FILE tag can # be used to specify the file name of the resulting .qch file. # The path specified is relative to the HTML output folder. QCH_FILE = # The QHP_NAMESPACE tag specifies the namespace to use when generating # Qt Help Project output. For more information please see # http://doc.trolltech.com/qthelpproject.html#namespace QHP_NAMESPACE = org.doxygen.Project # The QHP_VIRTUAL_FOLDER tag specifies the namespace to use when generating # Qt Help Project output. For more information please see # http://doc.trolltech.com/qthelpproject.html#virtual-folders QHP_VIRTUAL_FOLDER = doc # If QHP_CUST_FILTER_NAME is set, it specifies the name of a custom filter to # add. For more information please see # http://doc.trolltech.com/qthelpproject.html#custom-filters QHP_CUST_FILTER_NAME = # The QHP_CUST_FILT_ATTRS tag specifies the list of the attributes of the # custom filter to add. For more information please see # # Qt Help Project / Custom Filters. QHP_CUST_FILTER_ATTRS = # The QHP_SECT_FILTER_ATTRS tag specifies the list of the attributes this # project's # filter section matches. # # Qt Help Project / Filter Attributes. QHP_SECT_FILTER_ATTRS = # If the GENERATE_QHP tag is set to YES, the QHG_LOCATION tag can # be used to specify the location of Qt's qhelpgenerator. # If non-empty doxygen will try to run qhelpgenerator on the generated # .qhp file. QHG_LOCATION = # If the GENERATE_ECLIPSEHELP tag is set to YES, additional index files # will be generated, which together with the HTML files, form an Eclipse help # plugin. To install this plugin and make it available under the help contents # menu in Eclipse, the contents of the directory containing the HTML and XML # files needs to be copied into the plugins directory of eclipse. The name of # the directory within the plugins directory should be the same as # the ECLIPSE_DOC_ID value. After copying Eclipse needs to be restarted before # the help appears. GENERATE_ECLIPSEHELP = NO # A unique identifier for the eclipse help plugin. When installing the plugin # the directory name containing the HTML and XML files should also have # this name. ECLIPSE_DOC_ID = org.doxygen.Project # The DISABLE_INDEX tag can be used to turn on/off the condensed index at # top of each HTML page. The value NO (the default) enables the index and # the value YES disables it. DISABLE_INDEX = NO # The ENUM_VALUES_PER_LINE tag can be used to set the number of enum values # (range [0,1..20]) that doxygen will group on one line in the generated HTML # documentation. Note that a value of 0 will completely suppress the enum # values from appearing in the overview section. ENUM_VALUES_PER_LINE = 4 # The GENERATE_TREEVIEW tag is used to specify whether a tree-like index # structure should be generated to display hierarchical information. # If the tag value is set to YES, a side panel will be generated # containing a tree-like index structure (just like the one that # is generated for HTML Help). For this to work a browser that supports # JavaScript, DHTML, CSS and frames is required (i.e. any modern browser). # Windows users are probably better off using the HTML help feature. GENERATE_TREEVIEW = NO # By enabling USE_INLINE_TREES, doxygen will generate the Groups, Directories, # and Class Hierarchy pages using a tree view instead of an ordered list. USE_INLINE_TREES = NO # If the treeview is enabled (see GENERATE_TREEVIEW) then this tag can be # used to set the initial width (in pixels) of the frame in which the tree # is shown. TREEVIEW_WIDTH = 250 # When the EXT_LINKS_IN_WINDOW option is set to YES doxygen will open # links to external symbols imported via tag files in a separate window. EXT_LINKS_IN_WINDOW = NO # Use this tag to change the font size of Latex formulas included # as images in the HTML documentation. The default is 10. Note that # when you change the font size after a successful doxygen run you need # to manually remove any form_*.png images from the HTML output directory # to force them to be regenerated. FORMULA_FONTSIZE = 10 # Use the FORMULA_TRANPARENT tag to determine whether or not the images # generated for formulas are transparent PNGs. Transparent PNGs are # not supported properly for IE 6.0, but are supported on all modern browsers. # Note that when changing this option you need to delete any form_*.png files # in the HTML output before the changes have effect. FORMULA_TRANSPARENT = YES # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax # (see http://www.mathjax.org) which uses client side Javascript for the # rendering instead of using prerendered bitmaps. Use this if you do not # have LaTeX installed or if you want to formulas look prettier in the HTML # output. When enabled you also need to install MathJax separately and # configure the path to it using the MATHJAX_RELPATH option. USE_MATHJAX = NO # When MathJax is enabled you need to specify the location relative to the # HTML output directory using the MATHJAX_RELPATH option. The destination # directory should contain the MathJax.js script. For instance, if the mathjax # directory is located at the same level as the HTML output directory, then # MATHJAX_RELPATH should be ../mathjax. The default value points to the # mathjax.org site, so you can quickly see the result without installing # MathJax, but it is strongly recommended to install a local copy of MathJax # before deployment. MATHJAX_RELPATH = http://www.mathjax.org/mathjax # When the SEARCHENGINE tag is enabled doxygen will generate a search box # for the HTML output. The underlying search engine uses javascript # and DHTML and should work on any modern browser. Note that when using # HTML help (GENERATE_HTMLHELP), Qt help (GENERATE_QHP), or docsets # (GENERATE_DOCSET) there is already a search function so this one should # typically be disabled. For large projects the javascript based search engine # can be slow, then enabling SERVER_BASED_SEARCH may provide a better solution. SEARCHENGINE = YES # When the SERVER_BASED_SEARCH tag is enabled the search engine will be # implemented using a PHP enabled web server instead of at the web client # using Javascript. Doxygen will generate the search PHP script and index # file to put on the web server. The advantage of the server # based approach is that it scales better to large projects and allows # full text search. The disadvantages are that it is more difficult to setup # and does not have live searching capabilities. SERVER_BASED_SEARCH = NO #--------------------------------------------------------------------------- # configuration options related to the LaTeX output #--------------------------------------------------------------------------- # If the GENERATE_LATEX tag is set to YES (the default) Doxygen will # generate Latex output. GENERATE_LATEX = NO # The LATEX_OUTPUT tag is used to specify where the LaTeX docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `latex' will be used as the default path. LATEX_OUTPUT = latex # The LATEX_CMD_NAME tag can be used to specify the LaTeX command name to be # invoked. If left blank `latex' will be used as the default command name. # Note that when enabling USE_PDFLATEX this option is only used for # generating bitmaps for formulas in the HTML output, but not in the # Makefile that is written to the output directory. LATEX_CMD_NAME = latex # The MAKEINDEX_CMD_NAME tag can be used to specify the command name to # generate index for LaTeX. If left blank `makeindex' will be used as the # default command name. MAKEINDEX_CMD_NAME = makeindex # If the COMPACT_LATEX tag is set to YES Doxygen generates more compact # LaTeX documents. This may be useful for small projects and may help to # save some trees in general. COMPACT_LATEX = NO # The PAPER_TYPE tag can be used to set the paper type that is used # by the printer. Possible values are: a4, letter, legal and # executive. If left blank a4wide will be used. PAPER_TYPE = a4 # The EXTRA_PACKAGES tag can be to specify one or more names of LaTeX # packages that should be included in the LaTeX output. EXTRA_PACKAGES = # The LATEX_HEADER tag can be used to specify a personal LaTeX header for # the generated latex document. The header should contain everything until # the first chapter. If it is left blank doxygen will generate a # standard header. Notice: only use this tag if you know what you are doing! LATEX_HEADER = # The LATEX_FOOTER tag can be used to specify a personal LaTeX footer for # the generated latex document. The footer should contain everything after # the last chapter. If it is left blank doxygen will generate a # standard footer. Notice: only use this tag if you know what you are doing! LATEX_FOOTER = # If the PDF_HYPERLINKS tag is set to YES, the LaTeX that is generated # is prepared for conversion to pdf (using ps2pdf). The pdf file will # contain links (just like the HTML output) instead of page references # This makes the output suitable for online browsing using a pdf viewer. PDF_HYPERLINKS = YES # If the USE_PDFLATEX tag is set to YES, pdflatex will be used instead of # plain latex in the generated Makefile. Set this option to YES to get a # higher quality PDF documentation. USE_PDFLATEX = YES # If the LATEX_BATCHMODE tag is set to YES, doxygen will add the \\batchmode. # command to the generated LaTeX files. This will instruct LaTeX to keep # running if errors occur, instead of asking the user for help. # This option is also used when generating formulas in HTML. LATEX_BATCHMODE = NO # If LATEX_HIDE_INDICES is set to YES then doxygen will not # include the index chapters (such as File Index, Compound Index, etc.) # in the output. LATEX_HIDE_INDICES = NO # If LATEX_SOURCE_CODE is set to YES then doxygen will include # source code with syntax highlighting in the LaTeX output. # Note that which sources are shown also depends on other settings # such as SOURCE_BROWSER. LATEX_SOURCE_CODE = NO #--------------------------------------------------------------------------- # configuration options related to the RTF output #--------------------------------------------------------------------------- # If the GENERATE_RTF tag is set to YES Doxygen will generate RTF output # The RTF output is optimized for Word 97 and may not look very pretty with # other RTF readers or editors. GENERATE_RTF = NO # The RTF_OUTPUT tag is used to specify where the RTF docs will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `rtf' will be used as the default path. RTF_OUTPUT = rtf # If the COMPACT_RTF tag is set to YES Doxygen generates more compact # RTF documents. This may be useful for small projects and may help to # save some trees in general. COMPACT_RTF = NO # If the RTF_HYPERLINKS tag is set to YES, the RTF that is generated # will contain hyperlink fields. The RTF file will # contain links (just like the HTML output) instead of page references. # This makes the output suitable for online browsing using WORD or other # programs which support those fields. # Note: wordpad (write) and others do not support links. RTF_HYPERLINKS = NO # Load stylesheet definitions from file. Syntax is similar to doxygen's # config file, i.e. a series of assignments. You only have to provide # replacements, missing definitions are set to their default value. RTF_STYLESHEET_FILE = # Set optional variables used in the generation of an rtf document. # Syntax is similar to doxygen's config file. RTF_EXTENSIONS_FILE = #--------------------------------------------------------------------------- # configuration options related to the man page output #--------------------------------------------------------------------------- # If the GENERATE_MAN tag is set to YES (the default) Doxygen will # generate man pages GENERATE_MAN = NO # The MAN_OUTPUT tag is used to specify where the man pages will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `man' will be used as the default path. MAN_OUTPUT = man # The MAN_EXTENSION tag determines the extension that is added to # the generated man pages (default is the subroutine's section .3) MAN_EXTENSION = .3 # If the MAN_LINKS tag is set to YES and Doxygen generates man output, # then it will generate one additional man file for each entity # documented in the real man page(s). These additional files # only source the real man page, but without them the man command # would be unable to find the correct page. The default is NO. MAN_LINKS = NO #--------------------------------------------------------------------------- # configuration options related to the XML output #--------------------------------------------------------------------------- # If the GENERATE_XML tag is set to YES Doxygen will # generate an XML file that captures the structure of # the code including all documentation. GENERATE_XML = NO # The XML_OUTPUT tag is used to specify where the XML pages will be put. # If a relative path is entered the value of OUTPUT_DIRECTORY will be # put in front of it. If left blank `xml' will be used as the default path. XML_OUTPUT = xml # The XML_SCHEMA tag can be used to specify an XML schema, # which can be used by a validating XML parser to check the # syntax of the XML files. XML_SCHEMA = # The XML_DTD tag can be used to specify an XML DTD, # which can be used by a validating XML parser to check the # syntax of the XML files. XML_DTD = # If the XML_PROGRAMLISTING tag is set to YES Doxygen will # dump the program listings (including syntax highlighting # and cross-referencing information) to the XML output. Note that # enabling this will significantly increase the size of the XML output. XML_PROGRAMLISTING = YES #--------------------------------------------------------------------------- # configuration options for the AutoGen Definitions output #--------------------------------------------------------------------------- # If the GENERATE_AUTOGEN_DEF tag is set to YES Doxygen will # generate an AutoGen Definitions (see autogen.sf.net) file # that captures the structure of the code including all # documentation. Note that this feature is still experimental # and incomplete at the moment. GENERATE_AUTOGEN_DEF = NO #--------------------------------------------------------------------------- # configuration options related to the Perl module output #--------------------------------------------------------------------------- # If the GENERATE_PERLMOD tag is set to YES Doxygen will # generate a Perl module file that captures the structure of # the code including all documentation. Note that this # feature is still experimental and incomplete at the # moment. GENERATE_PERLMOD = NO # If the PERLMOD_LATEX tag is set to YES Doxygen will generate # the necessary Makefile rules, Perl scripts and LaTeX code to be able # to generate PDF and DVI output from the Perl module output. PERLMOD_LATEX = NO # If the PERLMOD_PRETTY tag is set to YES the Perl module output will be # nicely formatted so it can be parsed by a human reader. # This is useful # if you want to understand what is going on. # On the other hand, if this # tag is set to NO the size of the Perl module output will be much smaller # and Perl will parse it just the same. PERLMOD_PRETTY = YES # The names of the make variables in the generated doxyrules.make file # are prefixed with the string contained in PERLMOD_MAKEVAR_PREFIX. # This is useful so different doxyrules.make files included by the same # Makefile don't overwrite each other's variables. PERLMOD_MAKEVAR_PREFIX = #--------------------------------------------------------------------------- # Configuration options related to the preprocessor #--------------------------------------------------------------------------- # If the ENABLE_PREPROCESSING tag is set to YES (the default) Doxygen will # evaluate all C-preprocessor directives found in the sources and include # files. ENABLE_PREPROCESSING = YES # If the MACRO_EXPANSION tag is set to YES Doxygen will expand all macro # names in the source code. If set to NO (the default) only conditional # compilation will be performed. Macro expansion can be done in a controlled # way by setting EXPAND_ONLY_PREDEF to YES. MACRO_EXPANSION = NO # If the EXPAND_ONLY_PREDEF and MACRO_EXPANSION tags are both set to YES # then the macro expansion is limited to the macros specified with the # PREDEFINED and EXPAND_AS_DEFINED tags. EXPAND_ONLY_PREDEF = NO # If the SEARCH_INCLUDES tag is set to YES (the default) the includes files # pointed to by INCLUDE_PATH will be searched when a #include is found. SEARCH_INCLUDES = YES # The INCLUDE_PATH tag can be used to specify one or more directories that # contain include files that are not input files but should be processed by # the preprocessor. INCLUDE_PATH = # You can use the INCLUDE_FILE_PATTERNS tag to specify one or more wildcard # patterns (like *.h and *.hpp) to filter out the header-files in the # directories. If left blank, the patterns specified with FILE_PATTERNS will # be used. INCLUDE_FILE_PATTERNS = # The PREDEFINED tag can be used to specify one or more macro names that # are defined before the preprocessor is started (similar to the -D option of # gcc). The argument of the tag is a list of macros of the form: name # or name=definition (no spaces). If the definition and the = are # omitted =1 is assumed. To prevent a macro definition from being # undefined via #undef or recursively expanded use the := operator # instead of the = operator. PREDEFINED = # If the MACRO_EXPANSION and EXPAND_ONLY_PREDEF tags are set to YES then # this tag can be used to specify a list of macro names that should be expanded. # The macro definition that is found in the sources will be used. # Use the PREDEFINED tag if you want to use a different macro definition that # overrules the definition found in the source code. EXPAND_AS_DEFINED = # If the SKIP_FUNCTION_MACROS tag is set to YES (the default) then # doxygen's preprocessor will remove all references to function-like macros # that are alone on a line, have an all uppercase name, and do not end with a # semicolon, because these will confuse the parser if not removed. SKIP_FUNCTION_MACROS = YES #--------------------------------------------------------------------------- # Configuration::additions related to external references #--------------------------------------------------------------------------- # The TAGFILES option can be used to specify one or more tagfiles. # Optionally an initial location of the external documentation # can be added for each tagfile. The format of a tag file without # this location is as follows: # # TAGFILES = file1 file2 ... # Adding location for the tag files is done as follows: # # TAGFILES = file1=loc1 "file2 = loc2" ... # where "loc1" and "loc2" can be relative or absolute paths or # URLs. If a location is present for each tag, the installdox tool # does not have to be run to correct the links. # Note that each tag file must have a unique name # (where the name does NOT include the path) # If a tag file is not located in the directory in which doxygen # is run, you must also specify the path to the tagfile here. TAGFILES = # When a file name is specified after GENERATE_TAGFILE, doxygen will create # a tag file that is based on the input files it reads. GENERATE_TAGFILE = # If the ALLEXTERNALS tag is set to YES all external classes will be listed # in the class index. If set to NO only the inherited external classes # will be listed. ALLEXTERNALS = NO # If the EXTERNAL_GROUPS tag is set to YES all external groups will be listed # in the modules index. If set to NO, only the current project's groups will # be listed. EXTERNAL_GROUPS = YES # The PERL_PATH should be the absolute path and name of the perl script # interpreter (i.e. the result of `which perl'). PERL_PATH = /usr/bin/perl #--------------------------------------------------------------------------- # Configuration options related to the dot tool #--------------------------------------------------------------------------- # If the CLASS_DIAGRAMS tag is set to YES (the default) Doxygen will # generate a inheritance diagram (in HTML, RTF and LaTeX) for classes with base # or super classes. Setting the tag to NO turns the diagrams off. Note that # this option also works with HAVE_DOT disabled, but it is recommended to # install and use dot, since it yields more powerful graphs. CLASS_DIAGRAMS = YES # You can define message sequence charts within doxygen comments using the \msc # command. Doxygen will then run the mscgen tool (see # http://www.mcternan.me.uk/mscgen/) to produce the chart and insert it in the # documentation. The MSCGEN_PATH tag allows you to specify the directory where # the mscgen tool resides. If left empty the tool is assumed to be found in the # default search path. MSCGEN_PATH = # If set to YES, the inheritance and collaboration graphs will hide # inheritance and usage relations if the target is undocumented # or is not a class. HIDE_UNDOC_RELATIONS = YES # If you set the HAVE_DOT tag to YES then doxygen will assume the dot tool is # available from the path. This tool is part of Graphviz, a graph visualization # toolkit from AT&T and Lucent Bell Labs. The other options in this section # have no effect if this option is set to NO (the default) HAVE_DOT = YES # The DOT_NUM_THREADS specifies the number of dot invocations doxygen is # allowed to run in parallel. When set to 0 (the default) doxygen will # base this on the number of processors available in the system. You can set it # explicitly to a value larger than 0 to get control over the balance # between CPU load and processing speed. DOT_NUM_THREADS = 0 # By default doxygen will write a font called Helvetica to the output # directory and reference it in all dot files that doxygen generates. # When you want a differently looking font you can specify the font name # using DOT_FONTNAME. You need to make sure dot is able to find the font, # which can be done by putting it in a standard location or by setting the # DOTFONTPATH environment variable or by setting DOT_FONTPATH to the directory # containing the font. DOT_FONTNAME = Helvetica # The DOT_FONTSIZE tag can be used to set the size of the font of dot graphs. # The default size is 10pt. DOT_FONTSIZE = 10 # By default doxygen will tell dot to use the output directory to look for the # FreeSans.ttf font (which doxygen will put there itself). If you specify a # different font using DOT_FONTNAME you can set the path where dot # can find it using this tag. DOT_FONTPATH = # If the CLASS_GRAPH and HAVE_DOT tags are set to YES then doxygen # will generate a graph for each documented class showing the direct and # indirect inheritance relations. Setting this tag to YES will force the # the CLASS_DIAGRAMS tag to NO. CLASS_GRAPH = YES # If the COLLABORATION_GRAPH and HAVE_DOT tags are set to YES then doxygen # will generate a graph for each documented class showing the direct and # indirect implementation dependencies (inheritance, containment, and # class references variables) of the class with other documented classes. COLLABORATION_GRAPH = YES # If the GROUP_GRAPHS and HAVE_DOT tags are set to YES then doxygen # will generate a graph for groups, showing the direct groups dependencies GROUP_GRAPHS = YES # If the UML_LOOK tag is set to YES doxygen will generate inheritance and # collaboration diagrams in a style similar to the OMG's Unified Modeling # Language. UML_LOOK = NO # If set to YES, the inheritance and collaboration graphs will show the # relations between templates and their instances. TEMPLATE_RELATIONS = NO # If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDE_GRAPH, and HAVE_DOT # tags are set to YES then doxygen will generate a graph for each documented # file showing the direct and indirect include dependencies of the file with # other documented files. INCLUDE_GRAPH = YES # If the ENABLE_PREPROCESSING, SEARCH_INCLUDES, INCLUDED_BY_GRAPH, and # HAVE_DOT tags are set to YES then doxygen will generate a graph for each # documented header file showing the documented files that directly or # indirectly include this file. INCLUDED_BY_GRAPH = YES # If the CALL_GRAPH and HAVE_DOT options are set to YES then # doxygen will generate a call dependency graph for every global function # or class method. Note that enabling this option will significantly increase # the time of a run. So in most cases it will be better to enable call graphs # for selected functions only using the \callgraph command. CALL_GRAPH = YES # If the CALLER_GRAPH and HAVE_DOT tags are set to YES then # doxygen will generate a caller dependency graph for every global function # or class method. Note that enabling this option will significantly increase # the time of a run. So in most cases it will be better to enable caller # graphs for selected functions only using the \callergraph command. CALLER_GRAPH = YES # If the GRAPHICAL_HIERARCHY and HAVE_DOT tags are set to YES then doxygen # will generate a graphical hierarchy of all classes instead of a textual one. GRAPHICAL_HIERARCHY = YES # If the DIRECTORY_GRAPH, SHOW_DIRECTORIES and HAVE_DOT tags are set to YES # then doxygen will show the dependencies a directory has on other directories # in a graphical way. The dependency relations are determined by the #include # relations between the files in the directories. DIRECTORY_GRAPH = YES # The DOT_IMAGE_FORMAT tag can be used to set the image format of the images # generated by dot. Possible values are svg, png, jpg, or gif. # If left blank png will be used. DOT_IMAGE_FORMAT = png # The tag DOT_PATH can be used to specify the path where the dot tool can be # found. If left blank, it is assumed the dot tool can be found in the path. DOT_PATH = # The DOTFILE_DIRS tag can be used to specify one or more directories that # contain dot files that are included in the documentation (see the # \dotfile command). DOTFILE_DIRS = # The MSCFILE_DIRS tag can be used to specify one or more directories that # contain msc files that are included in the documentation (see the # \mscfile command). MSCFILE_DIRS = # The DOT_GRAPH_MAX_NODES tag can be used to set the maximum number of # nodes that will be shown in the graph. If the number of nodes in a graph # becomes larger than this value, doxygen will truncate the graph, which is # visualized by representing a node as a red box. Note that doxygen if the # number of direct children of the root node in a graph is already larger than # DOT_GRAPH_MAX_NODES then the graph will not be shown at all. Also note # that the size of a graph can be further restricted by MAX_DOT_GRAPH_DEPTH. DOT_GRAPH_MAX_NODES = 50 # The MAX_DOT_GRAPH_DEPTH tag can be used to set the maximum depth of the # graphs generated by dot. A depth value of 3 means that only nodes reachable # from the root by following a path via at most 3 edges will be shown. Nodes # that lay further from the root node will be omitted. Note that setting this # option to 1 or 2 may greatly reduce the computation time needed for large # code bases. Also note that the size of a graph can be further restricted by # DOT_GRAPH_MAX_NODES. Using a depth of 0 means no depth restriction. MAX_DOT_GRAPH_DEPTH = 0 # Set the DOT_TRANSPARENT tag to YES to generate images with a transparent # background. This is disabled by default, because dot on Windows does not # seem to support this out of the box. Warning: Depending on the platform used, # enabling this option may lead to badly anti-aliased labels on the edges of # a graph (i.e. they become hard to read). DOT_TRANSPARENT = NO # Set the DOT_MULTI_TARGETS tag to YES allow dot to generate multiple output # files in one run (i.e. multiple -o and -T options on the command line). This # makes dot run faster, but since only newer versions of dot (>1.8.10) # support this, this feature is disabled by default. DOT_MULTI_TARGETS = NO # If the GENERATE_LEGEND tag is set to YES (the default) Doxygen will # generate a legend page explaining the meaning of the various boxes and # arrows in the dot generated graphs. GENERATE_LEGEND = YES # If the DOT_CLEANUP tag is set to YES (the default) Doxygen will # remove the intermediate dot files that are used to generate # the various graphs. DOT_CLEANUP = YES pacemaker-master/GNUmakefile000066400000000000000000000316261217637305600163730ustar00rootroot00000000000000# # Copyright (C) 2008 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # default: $(shell test ! -e configure && echo init) $(shell test -e configure && echo core) -include Makefile PACKAGE ?= pacemaker # Force 'make dist' to be consistent with 'make export' distprefix = ClusterLabs-$(PACKAGE) distdir = $(distprefix)-$(TAG) TARFILE = $(distdir).tar.gz DIST_ARCHIVES = $(TARFILE) RPM_ROOT = $(shell pwd) RPM_OPTS = --define "_sourcedir $(RPM_ROOT)" \ --define "_specdir $(RPM_ROOT)" \ --define "_srcrpmdir $(RPM_ROOT)" \ MOCK_OPTIONS ?= --resultdir=$(RPM_ROOT)/mock --no-cleanup-after # Default to fedora compliant spec files # SLES: /etc/SuSE-release # openSUSE: /etc/SuSE-release # RHEL: /etc/redhat-release # Fedora: /etc/fedora-release, /etc/redhat-release, /etc/system-release F ?= $(shell test ! -e /etc/fedora-release && echo 0; test -e /etc/fedora-release && rpm --eval %{fedora}) ARCH ?= $(shell test -e /etc/fedora-release && rpm --eval %{_arch}) MOCK_CFG ?= $(shell test -e /etc/fedora-release && echo fedora-$(F)-$(ARCH)) DISTRO ?= $(shell test -e /etc/SuSE-release && echo suse; echo fedora) TAG ?= $(shell git log --pretty="format:%h" -n 1) WITH ?= --without doc #WITH ?= --without=doc --with=gcov LAST_RC ?= $(shell test -e /Volumes || git tag -l | grep Pacemaker | sort -Vr | grep rc | head -n 1) LAST_RELEASE ?= $(shell test -e /Volumes || git tag -l | grep Pacemaker | sort -Vr | grep -v rc | head -n 1) NEXT_RELEASE ?= $(shell echo $(LAST_RELEASE) | awk -F. '/[0-9]+\./{$$3+=1;OFS=".";print $$1,$$2,$$3}') beekhof: echo $(LAST_RELEASE) $(NEXT_RELEASE) BUILD_COUNTER ?= build.counter LAST_COUNT = $(shell test ! -e $(BUILD_COUNTER) && echo 0; test -e $(BUILD_COUNTER) && cat $(BUILD_COUNTER)) COUNT = $(shell expr 1 + $(LAST_COUNT)) init: ./autogen.sh export: rm -f $(PACKAGE)-dirty.tar.* $(PACKAGE)-tip.tar.* $(PACKAGE)-HEAD.tar.* if [ ! -f $(TARFILE) ]; then \ rm -f $(PACKAGE).tar.*; \ if [ $(TAG) = dirty ]; then \ git commit -m "DO-NOT-PUSH" -a; \ git archive --prefix=$(distdir)/ HEAD | gzip > $(TARFILE); \ git reset --mixed HEAD^; \ else \ git archive --prefix=$(distdir)/ $(TAG) | gzip > $(TARFILE); \ fi; \ echo `date`: Rebuilt $(TARFILE); \ else \ echo `date`: Using existing tarball: $(TARFILE); \ fi $(PACKAGE)-opensuse.spec: $(PACKAGE)-suse.spec cp $^ $@ @echo Rebuilt $@ $(PACKAGE)-suse.spec: $(PACKAGE).spec.in GNUmakefile rm -f $@ if [ x != x"`git ls-files -m | grep pacemaker.spec.in`" ]; then \ cp $(PACKAGE).spec.in $@; \ echo "Rebuilt $@ (local modifications)"; \ elif [ x = x"`git show $(TAG):pacemaker.spec.in 2>/dev/null`" ]; then \ cp $(PACKAGE).spec.in $@; \ echo "Rebuilt $@"; \ else \ git show $(TAG):$(PACKAGE).spec.in >> $@; \ echo "Rebuilt $@ from $(TAG)"; \ fi sed -i s:%{_docdir}/%{name}:%{_docdir}/%{name}-%{version}:g $@ sed -i s:corosynclib:libcorosync:g $@ sed -i s:libexecdir}/lcrso:libdir}/lcrso:g $@ sed -i 's:%{name}-libs:lib%{name}3:g' $@ sed -i s:heartbeat-libs:heartbeat:g $@ sed -i s:cluster-glue-libs:libglue:g $@ sed -i s:libselinux-devel:automake:g $@ sed -i s:lm_sensors-devel:automake:g $@ sed -i s:bzip2-devel:libbz2-devel:g $@ sed -i s:bcond_without\ publican:bcond_with\ publican:g $@ sed -i s:docbook-style-xsl:docbook-xsl-stylesheets:g $@ sed -i s:libtool-ltdl-devel::g $@ sed -i s:publican::g $@ sed -i s:byacc::g $@ sed -i s:global\ cs_major.*:global\ cs_major\ 1:g $@ sed -i s:global\ cs_minor.*:global\ cs_minor\ 4:g $@ sed -i s:gnutls-devel:libgnutls-devel:g $@ sed -i s:189:90:g $@ sed -i 's@python-devel@python-devel python-curses python-xml@' $@ sed -i 's@Requires: python@Requires: python python-curses python-xml@' $@ sed -i 's@%systemd_post pacemaker.service@if [ ZZZ -eq 1 ]; then systemctl preset pacemaker.service || : ; fi@' $@ sed -i 's@%systemd_postun_with_restart pacemaker.service@systemctl daemon-reload || : ; if [ ZZZ -ge 1 ]; then systemctl try-restart pacemaker.service || : ; fi@' $@ sed -i 's@%systemd_preun pacemaker.service@if [ ZZZ -eq 0 ]; then systemctl --no-reload disable pacemaker.service || : ; systemctl stop pacemaker.service || : ; fi@' $@ sed -i 's@%systemd_post pacemaker_remote.service@if [ ZZZ -eq 1 ]; then systemctl preset pacemaker_remote.service || : ; fi@' $@ sed -i 's@%systemd_postun_with_restart pacemaker_remote.service@systemctl daemon-reload || : ; if [ ZZZ -ge 1 ]; then systemctl try-restart pacemaker_remote.service || : ; fi@' $@ sed -i 's@%systemd_preun pacemaker_remote.service@if [ ZZZ -eq 0 ]; then systemctl --no-reload disable pacemaker_remote.service || : ; systemctl stop pacemaker_remote.service || : ; fi@' $@ sed -i "s@ZZZ@\o0441@g" $@ @echo "Applied SUSE-specific modifications" # Works for all fedora based distros $(PACKAGE)-%.spec: $(PACKAGE).spec.in rm -f $@ if [ x != x"`git ls-files -m | grep pacemaker.spec.in`" ]; then \ cp $(PACKAGE).spec.in $(PACKAGE)-$*.spec; \ echo "Rebuilt $@ (local modifications)"; \ elif [ x = x"`git show $(TAG):pacemaker.spec.in 2>/dev/null`" ]; then \ cp $(PACKAGE).spec.in $(PACKAGE)-$*.spec; \ echo "Rebuilt $@"; \ else \ git show $(TAG):$(PACKAGE).spec.in >> $(PACKAGE)-$*.spec; \ echo "Rebuilt $@ from $(TAG)"; \ fi srpm-%: export $(PACKAGE)-%.spec rm -f *.src.rpm cp $(PACKAGE)-$*.spec $(PACKAGE).spec if [ -e $(BUILD_COUNTER) ]; then \ echo $(COUNT) > $(BUILD_COUNTER); \ fi sed -i 's/Source0:.*/Source0:\ $(TARFILE)/' $(PACKAGE).spec sed -i 's/global\ specversion.*/global\ specversion\ $(COUNT)/' $(PACKAGE).spec sed -i 's/global\ upstream_version.*/global\ upstream_version\ $(TAG)/' $(PACKAGE).spec sed -i 's/global\ upstream_prefix.*/global\ upstream_prefix\ $(distprefix)/' $(PACKAGE).spec case $(TAG) in \ Pacemaker*) sed -i 's/Version:.*/Version:\ $(shell echo $(TAG) | sed -e s:Pacemaker-:: -e s:-.*::)/' $(PACKAGE).spec;; \ *) sed -i 's/Version:.*/Version:\ $(shell echo $(NEXT_RELEASE) | sed -e s:Pacemaker-:: -e s:-.*::)/' $(PACKAGE).spec;; \ esac rpmbuild -bs --define "dist .$*" $(RPM_OPTS) $(WITH) $(PACKAGE).spec chroot: mock-$(MOCK_CFG) mock-install-$(MOCK_CFG) mock-sh-$(MOCK_CFG) echo "Done" mock-next: make F=$(shell expr 1 + $(F)) mock mock-rawhide: make F=rawhide mock mock-install-%: echo "Installing packages" mock --root=$* $(MOCK_OPTIONS) --install $(RPM_ROOT)/mock/*.rpm vi sudo valgrind lcov gdb fence-agents mock-sh: mock-sh-$(MOCK_CFG) echo "Done" mock-sh-%: echo "Connecting" mock --root=$* $(MOCK_OPTIONS) --shell echo "Done" # eg. WITH="--with cman" make rpm mock-%: make srpm-$(firstword $(shell echo $(@:mock-%=%) | tr '-' ' ')) -rm -rf $(RPM_ROOT)/mock @echo "mock --root=$* --rebuild $(WITH) $(MOCK_OPTIONS) $(RPM_ROOT)/*.src.rpm" mock --root=$* --no-cleanup-after --rebuild $(WITH) $(MOCK_OPTIONS) $(RPM_ROOT)/*.src.rpm srpm: srpm-$(DISTRO) echo "Done" mock: mock-$(MOCK_CFG) echo "Done" rpm-dep: $(PACKAGE)-$(DISTRO).spec if [ x != x`which yum-builddep 2>/dev/null` ]; then \ echo "Installing with yum-builddep"; \ sudo yum-builddep $(PACKAGE)-$(DISTRO).spec; \ elif [ x != x`which yum 2>/dev/null` ]; then \ echo -e "Installing: $(shell grep BuildRequires pacemaker.spec.in | sed -e s/BuildRequires:// -e s:\>.*0:: | tr '\n' ' ')\n\n"; \ sudo yum install $(shell grep BuildRequires pacemaker.spec.in | sed -e s/BuildRequires:// -e s:\>.*0:: | tr '\n' ' '); \ elif [ x != x`which zypper` ]; then \ echo -e "Installing: $(shell grep BuildRequires pacemaker.spec.in | sed -e s/BuildRequires:// -e s:\>.*0:: | tr '\n' ' ')\n\n"; \ sudo zypper install $(shell grep BuildRequires pacemaker.spec.in | sed -e s/BuildRequires:// -e s:\>.*0:: | tr '\n' ' ');\ else \ echo "I don't know how to install $(shell grep BuildRequires pacemaker.spec.in | sed -e s/BuildRequires:// -e s:\>.*0:: | tr '\n' ' ')";\ fi rpm: srpm @echo To create custom builds, edit the flags and options in $(PACKAGE).spec first rpmbuild $(RPM_OPTS) $(WITH) --rebuild $(RPM_ROOT)/*.src.rpm release: make TAG=$(LAST_RELEASE) rpm rc: make TAG=$(LAST_RC) rpm dirty: make TAG=dirty mock COVERITY_DIR = $(shell pwd)/coverity-$(TAG) COVFILE = pacemaker-coverity-$(TAG).tgz COVHOST ?= scan5.coverity.com COVPASS ?= password # Public coverity coverity: test -e configure || ./autogen.sh test -e Makefile || ./configure make core-clean rm -rf $(COVERITY_DIR) cov-build --dir $(COVERITY_DIR) make core tar czf $(COVFILE) --transform=s@.*$(TAG)@cov-int@ $(COVERITY_DIR) @echo "Uploading to public Coverity instance..." curl --form file=@$(COVFILE) --form project=$(PACKAGE) --form password=$(COVPASS) --form email=andrew@beekhof.net http://$(COVHOST)/cgi-bin/upload.py coverity-corp: test -e configure || ./autogen.sh test -e Makefile || ./configure make core-clean rm -rf $(COVERITY_DIR) cov-build --dir $(COVERITY_DIR) make core @echo "Waiting for a corporate Coverity license..." cov-analyze --dir $(COVERITY_DIR) --wait-for-license cov-format-errors --dir $(COVERITY_DIR) --emacs-style > $(TAG).coverity cov-format-errors --dir $(COVERITY_DIR) rsync -avzxlSD --progress $(COVERITY_DIR)/c/output/errors/ root@www.clusterlabs.org:/var/www/html/coverity/$(PACKAGE)/$(TAG) make core-clean # cov-commit-defects --host $(COVHOST) --dir $(COVERITY_DIR) --stream $(PACKAGE) --user auto --password $(COVPASS) rm -rf $(COVERITY_DIR) global: clean-generic gtags -q %.8.html: %.8 echo groff -mandoc `man -w ./$<` -T html > $@ groff -mandoc `man -w ./$<` -T html > $@ rsync -azxlSD --progress $@ root@www.clusterlabs.org:/var/www/html/man/ %.7.html: %.7 echo groff -mandoc `man -w ./$<` -T html > $@ groff -mandoc `man -w ./$<` -T html > $@ rsync -azxlSD --progress $@ root@www.clusterlabs.org:/var/www/html/man/ doxygen: doxygen Doxyfile abi: abi-check pacemaker $(LAST_RELEASE) $(TAG) abi-www: abi-check -u pacemaker $(LAST_RELEASE) $(TAG) www: all global doxygen find . -name "[a-z]*.8" -exec make \{\}.html \; find . -name "[a-z]*.7" -exec make \{\}.html \; htags -sanhIT rsync -avzxlSD --progress HTML/ root@www.clusterlabs.org:/var/www/html/global/$(PACKAGE)/$(TAG) rsync -avzxlSD --progress doc/api/html/ root@www.clusterlabs.org:/var/www/html/doxygen/$(PACKAGE)/$(TAG) make -C doc www make coverity summary: @printf "\n* `date +"%a %b %d %Y"` `git config user.name` <`git config user.email`> $(NEXT_RELEASE)-1" @printf "\n- Update source tarball to revision: `git id`" @printf "\n- Changesets: `git log --pretty=format:'%h' $(LAST_RELEASE)..HEAD | wc -l`" @printf "\n- Diff: " @git diff -r $(LAST_RELEASE)..HEAD --stat include lib mcp pengine/*.c pengine/*.h cib crmd fencing lrmd tools xml | tail -n 1 rc-changes: @make NEXT_RELEASE=$(shell echo $(LAST_RC) | sed s:-rc.*::) LAST_RELEASE=$(LAST_RC) changes changes: summary @printf "\n- Features added since $(LAST_RELEASE)\n" @git log --pretty=format:' +%s' --abbrev-commit $(LAST_RELEASE)..HEAD | grep -e Feature: | sed -e 's@Feature:@@' | sort -uf @printf "\n- Changes since $(LAST_RELEASE)\n" @git log --pretty=format:' +%s' --abbrev-commit $(LAST_RELEASE)..HEAD | grep -e High: -e Fix: -e Bug | sed -e 's@Fix:@@' -e s@High:@@ -e s@Fencing:@fencing:@ -e 's@Bug@ Bug@' -e s@PE:@pengine:@ | sort -uf changelog: @make changes > ChangeLog @printf "\n">> ChangeLog git show $(LAST_RELEASE):ChangeLog >> ChangeLog @echo -e "\033[1;35m -- Don't forget to run the bumplibs.sh script! --\033[0m" indent: find . -name "*.h" -exec ./p-indent \{\} \; find . -name "*.c" -exec ./p-indent \{\} \; git co HEAD crmd/fsa_proto.h lib/gnu rel-tags: tags find . -name TAGS -exec sed -i 's:\(.*\)/\(.*\)/TAGS:\2/TAGS:g' \{\} \; ccc_analyzer=/usr/lib64/clang-analyzer/scan-build/ccc-analyzer clang: test -e $(ccc_analyzer) || echo "CLang Analyiser not available. Install the clang-analyzer package" test -e $(ccc_analyzer) || false make CC=$(ccc_analyzer) check # V3 = scandir unsetenv alphasort # V2 = setenv strerror strchrnul strndup # http://www.gnu.org/software/gnulib/manual/html_node/Initial-import.html#Initial-import GNU_MODS = crypto/md5 gnulib-update: -test ! -e gnulib && git clone git://git.savannah.gnu.org/gnulib.git cd gnulib && git pull gnulib/gnulib-tool --source-base=lib/gnu --lgpl=2 --no-vc-files --import $(GNU_MODS) pacemaker-master/Makefile.am000066400000000000000000000062551217637305600163550ustar00rootroot00000000000000# # Pacemaker code # # Copyright (C) 2004 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # EXTRA_DIST = autogen.sh ConfigureMe README.in libltdl.tar m4/gnulib-cache.m4 MAINTAINERCLEANFILES = Makefile.in aclocal.m4 configure DRF/config-h.in \ DRF/stamp-h.in libtool.m4 ltdl.m4 libltdl.tar CORE = $(LIBLTDL_DIR) replace include lib mcp pengine cib crmd fencing lrmd tools xml SUBDIRS = $(CORE) cts extra doc doc_DATA = AUTHORS COPYING COPYING.LIB noinst_PROGRAMS = scratch AUTOMAKE_OPTIONS = foreign ACLOCAL_AMFLAGS = -I m4 testdir = $(datadir)/$(PACKAGE)/tests/ test_SCRIPTS = coverage.sh BasicSanity.sh test_DATA = valgrind-pcmk.suppressions # Scratch file for ad-hoc testing scratch_SOURCES = scratch.c scratch_LDADD = $(top_builddir)/lib/common/libcrmcommon.la core: @echo "Building only core components: $(CORE)" list='$(CORE)'; for subdir in $$list; do echo "Building $$subdir"; make -C $$subdir all || exit 1; done core-install: @echo "Installing only core components: $(CORE)" list='$(CORE)'; for subdir in $$list; do echo "Installing $$subdir"; make -C $$subdir install || exit 1; done core-clean: @echo "Cleaning only core components: $(CORE)" list='$(CORE)'; for subdir in $$list; do echo "Cleaning $$subdir"; make -C $$subdir clean || exit 1; done install-exec-local: $(INSTALL) -d $(DESTDIR)/$(LCRSODIR) $(INSTALL) -d -m 750 $(DESTDIR)/$(CRM_CONFIG_DIR) $(INSTALL) -d -m 750 $(DESTDIR)/$(CRM_STATE_DIR) $(INSTALL) -d -m 750 $(DESTDIR)/$(CRM_BLACKBOX_DIR) -chown $(CRM_DAEMON_USER):$(CRM_DAEMON_GROUP) $(DESTDIR)/$(CRM_CONFIG_DIR) -chown $(CRM_DAEMON_USER):$(CRM_DAEMON_GROUP) $(DESTDIR)/$(CRM_STATE_DIR) -chown $(CRM_DAEMON_USER):$(CRM_DAEMON_GROUP) $(DESTDIR)/$(CRM_BLACKBOX_DIR) if BUILD_CS_PLUGIN rm -f $(DESTDIR)$(LCRSODIR)/pacemaker.lcrso $(DESTDIR)$(LCRSODIR)/service_crm.so cp $(DESTDIR)$(libdir)/service_crm.so $(DESTDIR)$(LCRSODIR)/pacemaker.lcrso endif if BUILD_HEARTBEAT_SUPPORT $(INSTALL) -d $(DESTDIR)/$(HB_DAEMON_DIR) ln -sf $(CRM_DAEMON_DIR)/attrd $(DESTDIR)$(HB_DAEMON_DIR)/ ln -sf $(CRM_DAEMON_DIR)/cib $(DESTDIR)$(HB_DAEMON_DIR)/ ln -sf $(CRM_DAEMON_DIR)/crmd $(DESTDIR)$(HB_DAEMON_DIR)/ ln -sf $(CRM_DAEMON_DIR)/pengine $(DESTDIR)$(HB_DAEMON_DIR)/ ln -sf $(CRM_DAEMON_DIR)/stonithd $(DESTDIR)$(HB_DAEMON_DIR)/ endif # Use chown because the user/group may not exist clean-generic: rm -f $(TARFILE) *.tar.bz2 *.sed dist-clean-local: rm -f autoconf automake autoheader maintainer-clean-local: rm -f libltdl.tar .PHONY: rpm pkg handy handy-copy pacemaker-master/NEWS000066400000000000000000000000351217637305600150060ustar00rootroot00000000000000Nobody here but us chickens. pacemaker-master/README.markdown000066400000000000000000000045131217637305600170150ustar00rootroot00000000000000# Pacemaker ## What is Pacemaker? Pacemaker is an advanced, scalable High-Availability cluster resource manager for Linux-HA (Heartbeat) and/or Corosync. It supports "n-node" clusters with significant capabilities for managing resources and dependencies. It will run scripts at initialization, when machines go up or down, when related resources fail and can be configured to periodically check resource health. ## For more information look at: * [Website](http://www.clusterlabs.org) * [Issues/Bugs](http://bugs.clusterlabs.org) * [Mailing list](http://oss.clusterlabs.org/mailman/listinfo/pacemaker). * [Documentation](http://www.clusterlabs.org/doc) ## Important information about the _crm shell_ Since late-April, the _crm shell_ is no longer included in the Pacemaker source tree. This change was made at the author's request as it is now maintained as a separate project at https://savannah.nongnu.org/projects/crmsh/ ## Build Dependencies * automake * autoconf * libtool-ltdl-devel * pkgconfig * python * glib2-devel * libxml2-devel * libxslt-devel * python-devel * gcc-c++ * bzip2-devel * gnutls-devel * pam-devel * libqb-devel ## Cluster Stack Dependencies (Pick at least one) * clusterlib-devel (CMAN) * corosynclib-devel (Corosync) * heartbeat-devel (Heartbeat) ## Optional Build Dependencies * ncurses-devel * openssl-devel * libselinux-devel * cluster-glue-libs-devel (LHA style fencing agents) * libesmtp-devel (Email alerts) * lm_sensors-devel (SNMP alerts) * net-snmp-devel (SNMP alerts) * asciidoc (documentation) * help2man (documentation) * publican (documentation) * inkscape (documentation) * docbook-style-xsl (documentation) ## Source Control (GIT) git clone git://github.com/ClusterLabs/pacemaker.git [See Github](https://github.com/ClusterLabs/pacemaker) ## Installing from source $ ./autogen.sh $ ./configure $ make $ sudo make install ## How you can help If you find this project useful, you may want to consider supporting its future development. There are a number of ways to support the project. * Test and report issues. * Tick something off our [todo list](https://github.com/ClusterLabs/pacemaker/blob/master/TODO.markdown) * Help others on the [mailing list](http://oss.clusterlabs.org/mailman/listinfo/pacemaker). * Contribute documentation, examples and test cases. * Contribute patches. * Spread the word. pacemaker-master/TODO.markdown000066400000000000000000000053641217637305600166320ustar00rootroot00000000000000# Semi-random collection of tasks we'd like to get done ## Targeted for this year - Implement: - crm_node --standby - crm_resource --enable --recursive : set target role for anything we depend on - merge all the crmd global variables into a single struct - Only bump epoch if we have quorum when we are elected the DC - Bump epoch if we gain quorum and are the DC - Make sure crm_attribute/crmd writes direct to cib if attrd is not around - See if anywhere should be using clock_gettime() instead of time(NULL) - Make sure fail counts etc are removed on resource deletion - Test and merge ipc-dispatch.patch - Process election votes as soon as they happen notice: do_election_count_vote: Election 6 (current: 6, owner: 101): Processed no-vote from east-04 (Peer is not part of our cluster) - Support http://cgit.freedesktop.org/systemd/systemd/commit/?id=96342de68d0d6de71a062d984dafd2a0905ed9fe - Support 'yesterday' and 'thursday' and '24-04' as dates in crm_report - Allow the N in 'give up after N failed fencing attempts' to be configurable - Show an english version of the config with crm_resource --rules - Convert cts/CIB.py into a supported Python API for the CIB - Re-implement no-quorum filter for cib updates? ## Targeted for next year and beyond - Support A colocated with (B || C || D) - Implement a truely atomic version of attrd - Support rolling average values in attrd - Support heartbeat with the mcp - Freeze/Thaw - Create Pacemaker plugin for snmpd - http://www.net-snmp.org/ - Investigate using a DB as the back-end for the CIB - Decide whether to fully support or drop failover domains # Testing - Convert BandwidthTest CTS test into a Scenario wrapper - find_operations() is not covered by PE regression tests - no_quorum_policy==suicide is not covered by PE regression tests - parse_xml_duration() is not covered by PE regression tests - phase_of_the_moon() is not covered by PE regression tests - test_role_expression() is not covered by PE regression tests - native_parameter() is not covered by PE regression tests - clone_active() is not covered by PE regression tests - convert_non_atomic_task() in native.c is not covered by PE regression tests - group_rsc_colocation_lh() is not covered by PE regression tests - Test on-fail=standby # Documentation - Clusters from Scratch: Mail - Clusters from Scratch: MySQL - Document advanced fencing logic in Pacemaker Explained - Use ann:defaultValue="..." instead of in the schema more often - Document in CFS an Appendix detailing with re-enabling firewall - Document implicit operation creation in CFS once pcs supports it. - Document use of pcs resource move command in CFS once pcs supports it. - Make use of --clone option in pcs resource create dlm in CFS once pcs fully supports that option. pacemaker-master/abi-check000077500000000000000000000041611217637305600160470ustar00rootroot00000000000000#!/bin/bash UPLOAD=0 if [ $1 = "-u" ]; then UPLOAD=1; shift fi PACKAGE=$1; shift function tag() { if [[ $1 =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3} ]]; then echo Pacemaker-$1 else echo $1 fi } function version() { echo $1 | sed s:.*-:: } function extract() { DUMP=1 TAG=$1 VERSION=$2 if [ $VERSION = HEAD ]; then rm -rf abi_dumps/$PACKAGE/${PACKAGE}_$VERSION.abi.tar.gz elif [ -f abi_dumps/$PACKAGE/${PACKAGE}_$VERSION.abi.tar.gz ]; then return fi echo "Building ABI dump for $*" BUILD_ROOT=.ABI-build rm -rf $BUILD_ROOT git archive --prefix $BUILD_ROOT/ $TAG | tar xv BUILD_ROOT=`pwd`/$BUILD_ROOT DESC=$BUILD_ROOT/$VERSION.xml sed -i.sed 's: doc::' $BUILD_ROOT/Makefile.am sed -i.sed 's: debian::' $BUILD_ROOT/Makefile.am cat<$DESC $VERSION $BUILD_ROOT/root/usr/include/pacemaker/crm EOF ( cd $BUILD_ROOT && ./autogen.sh ) ( cd $BUILD_ROOT && ./configure --disable-fatal-warnings ) make -C $BUILD_ROOT V=0 DESTDIR=${BUILD_ROOT}/root install if [ $? != 0 ]; then echo "Build for $TAG failed. Repair, populate and re-run: " echo " abi-compliance-checker -l $PACKAGE -dump_abi $DESC" echo "" echo "To find libraries after building:" echo " find $BUILD_ROOT/root -name "*.so" -print" else find $BUILD_ROOT/root -name "*.so" -print >> $DESC fi cat<>$DESC EOF if [ $DUMP = 1 ]; then abi-compliance-checker -l $PACKAGE -dump_abi $DESC rm -rf $BUILD_ROOT else exit 1 fi } for arg in $*; do T=`tag $arg` V=`version $T` extract $T $V done if [ $# = 2 ]; then V1=`version $1` V2=`version $2` abi-compliance-checker -l ${PACKAGE} \ -d1 abi_dumps/${PACKAGE}/${PACKAGE}_${V1}.abi.tar.gz \ -d2 abi_dumps/${PACKAGE}/${PACKAGE}_${V2}.abi.tar.gz if [ $UPLOAD = 1 -a -d compat_reports/pacemaker/${V1}_to_${V2} ]; then rsync -azxlSD --progress compat_reports/pacemaker/${V1}_to_${V2} root@www.clusterlabs.org:/var/www/html/abi/pacemaker/ fi fi pacemaker-master/acinclude.m4000066400000000000000000000023011217637305600164760ustar00rootroot00000000000000dnl dnl local autoconf/automake macros needed for heartbeat dnl Started by David Lee February 2006 dnl dnl License: GNU General Public License (GPL) dnl AM_CHECK_PYTHON_HEADERS: Find location of python include files. dnl Taken from: dnl http://source.macgimp.org/ dnl which is GPL and is attributed to James Henstridge. dnl dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE]) dnl Imports: dnl $PYTHON dnl Exports: dnl PYTHON_INCLUDES AC_DEFUN([AM_CHECK_PYTHON_HEADERS], [AC_REQUIRE([AM_PATH_PYTHON]) AC_MSG_CHECKING(for headers required to compile python extensions) dnl deduce PYTHON_INCLUDES py_prefix=`$PYTHON -c "import sys; print sys.prefix"` py_exec_prefix=`$PYTHON -c "import sys; print sys.exec_prefix"` PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}" if test "$py_prefix" != "$py_exec_prefix"; then PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}" fi AC_SUBST(PYTHON_INCLUDES) dnl check if the headers exist: save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES" AC_TRY_CPP([#include ],dnl [AC_MSG_RESULT(found) $1],dnl [AC_MSG_RESULT(not found) $2]) CPPFLAGS="$save_CPPFLAGS" ]) pacemaker-master/autogen.sh000077500000000000000000000026061217637305600163160ustar00rootroot00000000000000#!/bin/sh # # License: GNU General Public License (GPL) # Copyright 2001 horms # (heavily mangled by alanr) # # bootstrap: set up the project and get it ready to make # # Basically, we run autoconf, automake and libtool in the # right way to get things set up for this environment. # # We also look and see if those tools are installed, and # tell you where to get them if they're not. # # Our goal is to not require dragging along anything # more than we need. If this doesn't work on your system, # (i.e., your /bin/sh is broken) send us a patch. # # This code loosely based on the corresponding named script in # enlightenment, and also on the sort-of-standard autoconf # bootstrap script. # Run this to generate all the initial makefiles, etc. # Unset GREP_OPTIONS as any coloring can mess up the AC_CONFIG_AUX_DIR matching patterns GREP_OPTIONS= autoreconf -visf -Wno-portability if [ -f config.log ]; then echo Now re-running ./configure with the previous arguments last=`grep --color=never "$.*configure" config.log | tail -n 1 | sed s:.*configure:./configure: | sed s:--no-create::` echo " $last" eval $last else echo Now run ./configure echo "Now run configure with any arguments (eg. --prefix) specific to your system" if [ -e `which rpm` ]; then echo "Suggested invocation:" rpm --eval %{configure} | grep -v program-prefix fi fi trap '' 0 pacemaker-master/bumplibs.sh000077500000000000000000000062771217637305600165010ustar00rootroot00000000000000#!/bin/bash declare -A headers headers[crmcommon]="include/crm/common include/crm/crm.h" headers[crmcluster]="include/crm/cluster.h" headers[transitioner]="include/crm/transition.h" headers[cib]="include/crm/cib.h include/crm/cib/util.h" headers[pe_rules]="include/crm/pengine/rules.h" headers[pe_status]="include/crm/pengine/common.h include/crm/pengine/complex.h include/crm/pengine/rules.h include/crm/pengine/status.h" headers[pengine]="include/crm/pengine/common.h include/crm/pengine/complex.h include/crm/pengine/rules.h include/crm/pengine/status.h" headers[stonithd]="include/crm/stonith-ng.h" headers[lrmd]="include/crm/lrmd.h" LAST_RELEASE=`test -e /Volumes || git tag -l | grep Pacemaker | grep -v rc | sort -Vr | head -n 1` for lib in crmcommon crmcluster transitioner cib pe_rules pe_status stonithd pengine lrmd; do git diff -w $LAST_RELEASE..HEAD ${headers[$lib]} echo "" am=`find . -name Makefile.am -exec grep -lr "lib${lib}_la.*version-info" \{\} \;` am_dir=`dirname $am` if grep "lib${lib}_la_SOURCES.*\\\\" $am then echo -e "\033[1;35m -- Sources list for lib$lib is probably truncated! --\033[0m" echo "" fi sources=`grep "lib${lib}_la_SOURCES" $am | sed s/.*=// | sed 's:$(top_builddir)/::' | sed 's:$(top_srcdir)/::' | sed 's:\\\::' | sed 's:$(libpe_rules_la_SOURCES):rules.c\ common.c:'` full_sources="" for f in $sources; do if echo $f | grep -q "/" then full_sources="$full_sources $f" else full_sources="$full_sources $am_dir/$f" fi done lines=`git diff -w $LAST_RELEASE..HEAD ${headers[$lib]} $full_sources | wc -l` if [ $lines -gt 0 ]; then echo "- Headers: ${headers[$lib]}" echo "- Sources: $full_sources" echo "- Changed Sources since $LAST_RELEASE:" git diff -w $LAST_RELEASE..HEAD --stat $full_sources echo "" read -p "Are the changes to lib$lib: [a]dditions, [r]emovals or [f]ixes? [None]: " CHANGE git show $LAST_RELEASE:$am | grep version-info VER=`git show $LAST_RELEASE:$am | grep "lib.*${lib}_la.*version-info" | sed s/.*version-info// | awk '{print $1}'` VER_NOW=`grep "lib.*${lib}_la.*version-info" $am | sed s/.*version-info// | awk '{print $1}'` VER_1=`echo $VER | awk -F: '{print $1}'` VER_2=`echo $VER | awk -F: '{print $2}'` VER_3=`echo $VER | awk -F: '{print $3}'` VER_1_NOW=`echo $VER_NOW | awk -F: '{print $1}'` case $CHANGE in A|a) echo "New version with backwards compatible extensions: x+1:0:z+1" VER_1=`expr $VER_1 + 1` VER_2=0 VER_3=`expr $VER_3 + 1` ;; R|r) echo "New backwards incompatible version: x+1:0:0" VER_1=`expr $VER_1 + 1` VER_2=0 VER_3=0 for h in ${headers[$lib]}; do sed -i.sed "s/lib${lib}.so.${VER_1_NOW}/lib${lib}.so.${VER_1}/" $h done ;; F|f) echo "Bugfix: x:y+1:z" VER_2=`expr $VER_2 + 1` ;; esac VER_NEW=$VER_1:$VER_2:$VER_3 if [ ! -z $CHANGE ]; then if [ $VER_NEW != $VER_NOW ]; then echo "Updating $lib library version: $VER -> $VER_NEW" sed -i.sed "s/version-info\ $VER_NOW/version-info\ $VER_NEW/" $am else echo "No further version changes needed" fi else echo "Skipping $lib version" fi else echo "No changes to $lib interface" fi read -p "Continue?" echo "" done git diff -w pacemaker-master/cib/000077500000000000000000000000001217637305600150465ustar00rootroot00000000000000pacemaker-master/cib/Makefile.am000066400000000000000000000035621217637305600171100ustar00rootroot00000000000000# # Copyright (C) 2004 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # MAINTAINERCLEANFILES = Makefile.in INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include \ -I$(top_builddir)/libltdl -I$(top_srcdir)/libltdl EXTRA_DIST = cib.pam hadir = $(sysconfdir)/ha.d halibdir = $(CRM_DAEMON_DIR) commmoddir = $(halibdir)/modules/comm COMMONLIBS = $(top_builddir)/lib/common/libcrmcommon.la \ $(top_builddir)/lib/cib/libcib.la ## binary progs halib_PROGRAMS = cib cibmon if BUILD_HELP man8_MANS = %.8: % echo Creating $@ chmod a+x $(top_builddir)/cib/$< $(top_builddir)/cib/$< --help $(HELP2MAN) --output $@ --no-info --section 8 --name "Part of the Pacemaker cluster resource manager" $(top_builddir)/cib/$< endif ## SOURCES noinst_HEADERS = callbacks.h cibio.h cibmessages.h common.h notify.h cib_SOURCES = io.c messages.c notify.c \ callbacks.c main.c remote.c common.c cib_LDADD = $(top_builddir)/lib/cluster/libcrmcluster.la \ $(COMMONLIBS) $(CRYPTOLIB) $(CLUSTERLIBS) cibmon_SOURCES = cibmon.c cibmon_LDADD = $(COMMONLIBS) clean-generic: rm -f *.log *.debug *.xml *~ install-exec-local: # cp -f $(top_srcdir)/crm/cib/cib.pam $(DESTDIR)/etc/pam.d/cib uninstall-local: pacemaker-master/cib/callbacks.c000066400000000000000000001260661217637305600171440ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" extern GMainLoop *mainloop; extern gboolean cib_shutdown_flag; extern gboolean stand_alone; extern const char *cib_root; static unsigned long cib_local_bcast_num = 0; typedef struct cib_local_notify_s { xmlNode *notify_src; char *client_id; gboolean from_peer; gboolean sync_reply; } cib_local_notify_t; qb_ipcs_service_t *ipcs_ro = NULL; qb_ipcs_service_t *ipcs_rw = NULL; qb_ipcs_service_t *ipcs_shm = NULL; extern crm_cluster_t crm_cluster; extern int cib_update_counter(xmlNode * xml_obj, const char *field, gboolean reset); extern void GHFunc_count_peers(gpointer key, gpointer value, gpointer user_data); gint cib_GCompareFunc(gconstpointer a, gconstpointer b); gboolean can_write(int flags); void send_cib_replace(const xmlNode * sync_request, const char *host); void cib_process_request(xmlNode * request, gboolean privileged, gboolean force_synchronous, gboolean from_peer, crm_client_t * cib_client); extern GHashTable *local_notify_queue; int next_client_id = 0; extern const char *cib_our_uname; extern unsigned long cib_num_ops, cib_num_local, cib_num_updates, cib_num_fail; extern unsigned long cib_bad_connects, cib_num_timeouts; extern int cib_status; int cib_process_command(xmlNode * request, xmlNode ** reply, xmlNode ** cib_diff, gboolean privileged); gboolean cib_common_callback(qb_ipcs_connection_t * c, void *data, size_t size, gboolean privileged); static int32_t cib_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid) { crm_trace("Connection %p", c); if (cib_shutdown_flag) { crm_info("Ignoring new client [%d] during shutdown", crm_ipcs_client_pid(c)); return -EPERM; } if (crm_client_new(c, uid, gid) == NULL) { return -EIO; } return 0; } static void cib_ipc_created(qb_ipcs_connection_t * c) { crm_trace("Connection %p", c); } static int32_t cib_ipc_dispatch_rw(qb_ipcs_connection_t * c, void *data, size_t size) { crm_client_t *client = crm_client_get(c); crm_trace("%p message from %s", c, client->id); return cib_common_callback(c, data, size, TRUE); } static int32_t cib_ipc_dispatch_ro(qb_ipcs_connection_t * c, void *data, size_t size) { crm_client_t *client = crm_client_get(c); crm_trace("%p message from %s", c, client->id); return cib_common_callback(c, data, size, FALSE); } /* Error code means? */ static int32_t cib_ipc_closed(qb_ipcs_connection_t * c) { crm_client_t *client = crm_client_get(c); crm_trace("Connection %p", c); crm_client_destroy(client); return 0; } static void cib_ipc_destroy(qb_ipcs_connection_t * c) { crm_trace("Connection %p", c); if (cib_shutdown_flag) { cib_shutdown(0); } } struct qb_ipcs_service_handlers ipc_ro_callbacks = { .connection_accept = cib_ipc_accept, .connection_created = cib_ipc_created, .msg_process = cib_ipc_dispatch_ro, .connection_closed = cib_ipc_closed, .connection_destroyed = cib_ipc_destroy }; struct qb_ipcs_service_handlers ipc_rw_callbacks = { .connection_accept = cib_ipc_accept, .connection_created = cib_ipc_created, .msg_process = cib_ipc_dispatch_rw, .connection_closed = cib_ipc_closed, .connection_destroyed = cib_ipc_destroy }; void cib_common_callback_worker(uint32_t id, uint32_t flags, xmlNode * op_request, crm_client_t * cib_client, gboolean privileged) { const char *op = crm_element_value(op_request, F_CIB_OPERATION); if (crm_str_eq(op, CRM_OP_REGISTER, TRUE)) { if (flags & crm_ipc_client_response) { xmlNode *ack = create_xml_node(NULL, __FUNCTION__); crm_xml_add(ack, F_CIB_OPERATION, CRM_OP_REGISTER); crm_xml_add(ack, F_CIB_CLIENTID, cib_client->id); crm_ipcs_send(cib_client, id, ack, FALSE); cib_client->request_id = 0; free_xml(ack); } return; } else if (crm_str_eq(op, T_CIB_NOTIFY, TRUE)) { /* Update the notify filters for this client */ int on_off = 0; long long bit = 0; const char *type = crm_element_value(op_request, F_CIB_NOTIFY_TYPE); crm_element_value_int(op_request, F_CIB_NOTIFY_ACTIVATE, &on_off); crm_debug("Setting %s callbacks for %s (%s): %s", type, cib_client->name, cib_client->id, on_off ? "on" : "off"); if (safe_str_eq(type, T_CIB_POST_NOTIFY)) { bit = cib_notify_post; } else if (safe_str_eq(type, T_CIB_PRE_NOTIFY)) { bit = cib_notify_pre; } else if (safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) { bit = cib_notify_confirm; } else if (safe_str_eq(type, T_CIB_DIFF_NOTIFY)) { bit = cib_notify_diff; } else if (safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) { bit = cib_notify_replace; } if (on_off) { set_bit(cib_client->options, bit); } else { clear_bit(cib_client->options, bit); } if (flags & crm_ipc_client_response) { /* TODO - include rc */ crm_ipcs_send_ack(cib_client, id, "ack", __FUNCTION__, __LINE__); cib_client->request_id = 0; } return; } cib_process_request(op_request, FALSE, privileged, FALSE, cib_client); } int32_t cib_common_callback(qb_ipcs_connection_t * c, void *data, size_t size, gboolean privileged) { uint32_t id = 0; uint32_t flags = 0; int call_options = 0; crm_client_t *cib_client = crm_client_get(c); xmlNode *op_request = crm_ipcs_recv(cib_client, data, size, &id, &flags); if (op_request) { crm_element_value_int(op_request, F_CIB_CALLOPTS, &call_options); } crm_trace("Inbound: %.200s", data); if (op_request == NULL) { crm_trace("Invalid message from %p", c); crm_ipcs_send_ack(cib_client, id, "nack", __FUNCTION__, __LINE__); return 0; } else if(cib_client == NULL) { crm_trace("Invalid client %p", c); return 0; } if (is_set(call_options, cib_sync_call)) { CRM_ASSERT(flags & crm_ipc_client_response); } if (flags & crm_ipc_client_response) { CRM_LOG_ASSERT(cib_client->request_id == 0); /* This means the client has two synchronous events in-flight */ cib_client->request_id = id; /* Reply only to the last one */ } if (cib_client->name == NULL) { const char *value = crm_element_value(op_request, F_CIB_CLIENTNAME); if (value == NULL) { cib_client->name = crm_itoa(cib_client->pid); } else { cib_client->name = strdup(value); } } crm_xml_add(op_request, F_CIB_CLIENTID, cib_client->id); crm_xml_add(op_request, F_CIB_CLIENTNAME, cib_client->name); #if ENABLE_ACL determine_request_user(cib_client->user, op_request, F_CIB_USER); #endif crm_log_xml_trace(op_request, "Client[inbound]"); cib_common_callback_worker(id, flags, op_request, cib_client, privileged); free_xml(op_request); return 0; } static void do_local_notify(xmlNode * notify_src, const char *client_id, gboolean sync_reply, gboolean from_peer) { /* send callback to originating child */ crm_client_t *client_obj = NULL; int local_rc = pcmk_ok; if (client_id != NULL) { client_obj = crm_client_get_by_id(client_id); } if (client_obj == NULL) { local_rc = -ECONNRESET; crm_trace("No client to sent the response to. F_CIB_CLIENTID not set."); } else { int rid = 0; if (sync_reply) { if (client_obj->ipcs) { CRM_LOG_ASSERT(client_obj->request_id); rid = client_obj->request_id; client_obj->request_id = 0; crm_trace("Sending response %d to %s %s", rid, client_obj->name, from_peer ? "(originator of delegated request)" : ""); } else { crm_trace("Sending response to %s %s", client_obj->name, from_peer ? "(originator of delegated request)" : ""); } } else { crm_trace("Sending an event to %s %s", client_obj->name, from_peer ? "(originator of delegated request)" : ""); } switch (client_obj->kind) { case CRM_CLIENT_IPC: if (crm_ipcs_send(client_obj, rid, notify_src, !sync_reply) < 0) { local_rc = -ENOMSG; } break; #ifdef HAVE_GNUTLS_GNUTLS_H case CRM_CLIENT_TLS: #endif case CRM_CLIENT_TCP: crm_remote_send(client_obj->remote, notify_src); break; default: crm_err("Unknown transport %d for %s", client_obj->kind, client_obj->name); } } if (local_rc != pcmk_ok && client_obj != NULL) { crm_warn("%sSync reply to %s failed: %s", sync_reply ? "" : "A-", client_obj ? client_obj->name : "", pcmk_strerror(local_rc)); } } static void local_notify_destroy_callback(gpointer data) { cib_local_notify_t *notify = data; free_xml(notify->notify_src); free(notify->client_id); free(notify); } static void check_local_notify(int bcast_id) { cib_local_notify_t *notify = NULL; if (!local_notify_queue) { return; } notify = g_hash_table_lookup(local_notify_queue, GINT_TO_POINTER(bcast_id)); if (notify) { do_local_notify(notify->notify_src, notify->client_id, notify->sync_reply, notify->from_peer); g_hash_table_remove(local_notify_queue, GINT_TO_POINTER(bcast_id)); } } static void queue_local_notify(xmlNode * notify_src, const char *client_id, gboolean sync_reply, gboolean from_peer) { cib_local_notify_t *notify = calloc(1, sizeof(cib_local_notify_t)); notify->notify_src = notify_src; notify->client_id = strdup(client_id); notify->sync_reply = sync_reply; notify->from_peer = from_peer; if (!local_notify_queue) { local_notify_queue = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, local_notify_destroy_callback); } g_hash_table_insert(local_notify_queue, GINT_TO_POINTER(cib_local_bcast_num), notify); } static void parse_local_options(crm_client_t * cib_client, int call_type, int call_options, const char *host, const char *op, gboolean * local_notify, gboolean * needs_reply, gboolean * process, gboolean * needs_forward) { if (cib_op_modifies(call_type) && !(call_options & cib_inhibit_bcast)) { /* we need to send an update anyway */ *needs_reply = TRUE; } else { *needs_reply = FALSE; } if (host == NULL && (call_options & cib_scope_local)) { crm_trace("Processing locally scoped %s op from %s", op, cib_client->name); *local_notify = TRUE; } else if (host == NULL && cib_is_master) { crm_trace("Processing master %s op locally from %s", op, cib_client->name); *local_notify = TRUE; } else if (safe_str_eq(host, cib_our_uname)) { crm_trace("Processing locally addressed %s op from %s", op, cib_client->name); *local_notify = TRUE; } else if (stand_alone) { *needs_forward = FALSE; *local_notify = TRUE; *process = TRUE; } else { crm_trace("%s op from %s needs to be forwarded to %s", op, cib_client->name, host ? host : "the master instance"); *needs_forward = TRUE; *process = FALSE; } } static gboolean parse_peer_options(int call_type, xmlNode * request, gboolean * local_notify, gboolean * needs_reply, gboolean * process, gboolean * needs_forward) { const char *op = NULL; const char *host = NULL; const char *delegated = NULL; const char *originator = crm_element_value(request, F_ORIG); const char *reply_to = crm_element_value(request, F_CIB_ISREPLY); const char *update = crm_element_value(request, F_CIB_GLOBAL_UPDATE); gboolean is_reply = safe_str_eq(reply_to, cib_our_uname); if (crm_is_true(update)) { *needs_reply = FALSE; if (is_reply) { *local_notify = TRUE; crm_trace("Processing global/peer update from %s" " that originated from us", originator); } else { crm_trace("Processing global/peer update from %s", originator); } return TRUE; } op = crm_element_value(request, F_CIB_OPERATION); if (safe_str_eq(op, "cib_shutdown_req")) { /* Always process these */ *local_notify = FALSE; if (reply_to == NULL || is_reply) { *process = TRUE; } if (is_reply) { *needs_reply = FALSE; } return *process; } if (is_reply) { crm_trace("Forward reply sent from %s to local clients", originator); *process = FALSE; *needs_reply = FALSE; *local_notify = TRUE; return TRUE; } host = crm_element_value(request, F_CIB_HOST); if (host != NULL && safe_str_eq(host, cib_our_uname)) { crm_trace("Processing request sent to us from %s", originator); return TRUE; } else if (host == NULL && cib_is_master == TRUE) { crm_trace("Processing request sent to master instance from %s", originator); return TRUE; } delegated = crm_element_value(request, F_CIB_DELEGATED); if (delegated != NULL) { crm_trace("Ignoring msg for master instance"); } else if (host != NULL) { /* this is for a specific instance and we're not it */ crm_trace("Ignoring msg for instance on %s", crm_str(host)); } else if (reply_to == NULL && cib_is_master == FALSE) { /* this is for the master instance and we're not it */ crm_trace("Ignoring reply to %s", crm_str(reply_to)); } else if (safe_str_eq(op, "cib_shutdown_req")) { if (reply_to != NULL) { crm_debug("Processing %s from %s", op, host); *needs_reply = FALSE; } else { crm_debug("Processing %s reply from %s", op, host); } return TRUE; } else { crm_err("Nothing for us to do?"); crm_log_xml_err(request, "Peer[inbound]"); } return FALSE; } static void forward_request(xmlNode * request, crm_client_t * cib_client, int call_options) { const char *op = crm_element_value(request, F_CIB_OPERATION); const char *host = crm_element_value(request, F_CIB_HOST); crm_xml_add(request, F_CIB_DELEGATED, cib_our_uname); if (host != NULL) { crm_trace("Forwarding %s op to %s", op, host); send_cluster_message(crm_get_peer(0, host), crm_msg_cib, request, FALSE); } else { crm_trace("Forwarding %s op to master instance", op); send_cluster_message(NULL, crm_msg_cib, request, FALSE); } /* Return the request to its original state */ xml_remove_prop(request, F_CIB_DELEGATED); if (call_options & cib_discard_reply) { crm_trace("Client not interested in reply"); } } static gboolean send_peer_reply(xmlNode * msg, xmlNode * result_diff, const char *originator, gboolean broadcast) { CRM_ASSERT(msg != NULL); if (broadcast) { /* this (successful) call modified the CIB _and_ the * change needs to be broadcast... * send via HA to other nodes */ int diff_add_updates = 0; int diff_add_epoch = 0; int diff_add_admin_epoch = 0; int diff_del_updates = 0; int diff_del_epoch = 0; int diff_del_admin_epoch = 0; const char *digest = NULL; CRM_LOG_ASSERT(result_diff != NULL); digest = crm_element_value(result_diff, XML_ATTR_DIGEST); cib_diff_version_details(result_diff, &diff_add_admin_epoch, &diff_add_epoch, &diff_add_updates, &diff_del_admin_epoch, &diff_del_epoch, &diff_del_updates); crm_trace("Sending update diff %d.%d.%d -> %d.%d.%d %s", diff_del_admin_epoch, diff_del_epoch, diff_del_updates, diff_add_admin_epoch, diff_add_epoch, diff_add_updates, digest); crm_xml_add(msg, F_CIB_ISREPLY, originator); crm_xml_add(msg, F_CIB_GLOBAL_UPDATE, XML_BOOLEAN_TRUE); crm_xml_add(msg, F_CIB_OPERATION, CIB_OP_APPLY_DIFF); CRM_ASSERT(digest != NULL); add_message_xml(msg, F_CIB_UPDATE_DIFF, result_diff); crm_log_xml_explicit(msg, "copy"); return send_cluster_message(NULL, crm_msg_cib, msg, TRUE); } else if (originator != NULL) { /* send reply via HA to originating node */ crm_trace("Sending request result to originator only"); crm_xml_add(msg, F_CIB_ISREPLY, originator); return send_cluster_message(crm_get_peer(0, originator), crm_msg_cib, msg, FALSE); } return FALSE; } void cib_process_request(xmlNode * request, gboolean force_synchronous, gboolean privileged, gboolean unused, crm_client_t * cib_client) { int call_type = 0; int call_options = 0; gboolean process = TRUE; gboolean is_update = TRUE; gboolean from_peer = TRUE; gboolean needs_reply = TRUE; gboolean local_notify = FALSE; gboolean needs_forward = FALSE; gboolean global_update = crm_is_true(crm_element_value(request, F_CIB_GLOBAL_UPDATE)); xmlNode *op_reply = NULL; xmlNode *result_diff = NULL; int rc = pcmk_ok; const char *op = crm_element_value(request, F_CIB_OPERATION); const char *originator = crm_element_value(request, F_ORIG); const char *host = crm_element_value(request, F_CIB_HOST); const char *target = NULL; const char *client_id = crm_element_value(request, F_CIB_CLIENTID); if (cib_client) { from_peer = FALSE; } cib_num_ops++; if (cib_num_ops == 0) { cib_num_fail = 0; cib_num_local = 0; cib_num_updates = 0; crm_info("Stats wrapped around"); } crm_element_value_int(request, F_CIB_CALLOPTS, &call_options); if (force_synchronous) { call_options |= cib_sync_call; } if (host != NULL && strlen(host) == 0) { host = NULL; } if (host) { target = host; } else if (call_options & cib_scope_local) { target = "local host"; } else { target = "master"; } if (from_peer) { crm_trace("Processing peer %s operation from %s on %s intended for %s", op, client_id, originator, target); } else { crm_xml_add(request, F_ORIG, cib_our_uname); crm_trace("Processing local %s operation from %s intended for %s", op, client_id, target); } rc = cib_get_operation_id(op, &call_type); if (rc != pcmk_ok) { /* TODO: construct error reply? */ crm_err("Pre-processing of command failed: %s", pcmk_strerror(rc)); return; } if (from_peer == FALSE) { parse_local_options(cib_client, call_type, call_options, host, op, &local_notify, &needs_reply, &process, &needs_forward); } else if (parse_peer_options(call_type, request, &local_notify, &needs_reply, &process, &needs_forward) == FALSE) { return; } is_update = cib_op_modifies(call_type); if (is_update) { cib_num_updates++; } if (call_options & cib_discard_reply) { needs_reply = is_update; local_notify = FALSE; } if (needs_forward) { const char *host = crm_element_value(request, F_CIB_HOST); const char *section = crm_element_value(request, F_CIB_SECTION); crm_info("Forwarding %s operation for section %s to %s (origin=%s/%s/%s)", op, section ? section : "'all'", host ? host : "master", originator ? originator : "local", crm_element_value(request, F_CIB_CLIENTNAME), crm_element_value(request, F_CIB_CALLID)); forward_request(request, cib_client, call_options); return; } if (cib_status != pcmk_ok) { const char *call = crm_element_value(request, F_CIB_CALLID); rc = cib_status; crm_err("Operation ignored, cluster configuration is invalid." " Please repair and restart: %s", pcmk_strerror(cib_status)); op_reply = create_xml_node(NULL, "cib-reply"); crm_xml_add(op_reply, F_TYPE, T_CIB); crm_xml_add(op_reply, F_CIB_OPERATION, op); crm_xml_add(op_reply, F_CIB_CALLID, call); crm_xml_add(op_reply, F_CIB_CLIENTID, client_id); crm_xml_add_int(op_reply, F_CIB_CALLOPTS, call_options); crm_xml_add_int(op_reply, F_CIB_RC, rc); crm_trace("Attaching reply output"); add_message_xml(op_reply, F_CIB_CALLDATA, the_cib); crm_log_xml_explicit(op_reply, "cib:reply"); } else if (process) { time_t finished = 0; int now = time(NULL); int level = LOG_INFO; const char *section = crm_element_value(request, F_CIB_SECTION); cib_num_local++; rc = cib_process_command(request, &op_reply, &result_diff, privileged); if (global_update) { switch (rc) { case pcmk_ok: level = LOG_INFO; break; case -pcmk_err_old_data: case -pcmk_err_diff_resync: case -pcmk_err_diff_failed: level = LOG_TRACE; break; default: level = LOG_ERR; } } else if (rc != pcmk_ok && is_update) { cib_num_fail++; level = LOG_WARNING; /* } else if (safe_str_eq(op, CIB_OP_QUERY)) { level = LOG_TRACE; } else if (safe_str_eq(op, CIB_OP_SLAVE)) { level = LOG_TRACE; } else if (safe_str_eq(section, XML_CIB_TAG_STATUS)) { level = LOG_TRACE; */ } do_crm_log(level, "Completed %s operation for section %s: %s (rc=%d, origin=%s/%s/%s, version=%s.%s.%s)", op, section ? section : "'all'", pcmk_strerror(rc), rc, originator ? originator : "local", crm_element_value(request, F_CIB_CLIENTNAME), crm_element_value(request, F_CIB_CALLID), the_cib ? crm_element_value(the_cib, XML_ATTR_GENERATION_ADMIN) : "0", the_cib ? crm_element_value(the_cib, XML_ATTR_GENERATION) : "0", the_cib ? crm_element_value(the_cib, XML_ATTR_NUMUPDATES) : "0"); finished = time(NULL); if (finished - now > 3) { crm_trace("%s operation took %ds to complete", op, finished - now); crm_write_blackbox(0, NULL); } if (op_reply == NULL && (needs_reply || local_notify)) { crm_err("Unexpected NULL reply to message"); crm_log_xml_err(request, "null reply"); needs_reply = FALSE; local_notify = FALSE; } } /* from now on we are the server */ if (needs_reply == FALSE || stand_alone) { /* nothing more to do... * this was a non-originating slave update */ crm_trace("Completed slave update"); } else if (rc == pcmk_ok && result_diff != NULL && !(call_options & cib_inhibit_bcast)) { gboolean broadcast = FALSE; cib_local_bcast_num++; crm_xml_add_int(request, F_CIB_LOCAL_NOTIFY_ID, cib_local_bcast_num); broadcast = send_peer_reply(request, result_diff, originator, TRUE); if (broadcast && client_id && local_notify && op_reply) { /* If we have been asked to sync the reply, * and a bcast msg has gone out, we queue the local notify * until we know the bcast message has been received */ local_notify = FALSE; crm_trace("Queuing local %ssync notification for %s", (call_options & cib_sync_call) ? "" : "a-", client_id); queue_local_notify(op_reply, client_id, (call_options & cib_sync_call), from_peer); op_reply = NULL; /* the reply is queued, so don't free here */ } } else if (call_options & cib_discard_reply) { crm_trace("Caller isn't interested in reply"); } else if (from_peer) { if (is_update == FALSE || result_diff == NULL) { crm_trace("Request not broadcast: R/O call"); } else if (call_options & cib_inhibit_bcast) { crm_trace("Request not broadcast: inhibited"); } else if (rc != pcmk_ok) { crm_trace("Request not broadcast: call failed: %s", pcmk_strerror(rc)); } else { crm_trace("Directing reply to %s", originator); } send_peer_reply(op_reply, result_diff, originator, FALSE); } if (local_notify && client_id) { crm_trace("Performing local %ssync notification for %s", (call_options & cib_sync_call) ? "" : "a-", client_id); if (process == FALSE) { do_local_notify(request, client_id, call_options & cib_sync_call, from_peer); } else { do_local_notify(op_reply, client_id, call_options & cib_sync_call, from_peer); } } free_xml(op_reply); free_xml(result_diff); return; } int cib_process_command(xmlNode * request, xmlNode ** reply, xmlNode ** cib_diff, gboolean privileged) { xmlNode *input = NULL; xmlNode *output = NULL; xmlNode *result_cib = NULL; xmlNode *current_cib = NULL; #if ENABLE_ACL xmlNode *filtered_current_cib = NULL; #endif int call_type = 0; int call_options = 0; int log_level = LOG_TRACE; const char *op = NULL; const char *section = NULL; const char *call_id = crm_element_value(request, F_CIB_CALLID); int rc = pcmk_ok; int rc2 = pcmk_ok; gboolean send_r_notify = FALSE; gboolean global_update = FALSE; gboolean config_changed = FALSE; gboolean manage_counters = TRUE; CRM_ASSERT(cib_status == pcmk_ok); *reply = NULL; *cib_diff = NULL; current_cib = the_cib; /* Start processing the request... */ op = crm_element_value(request, F_CIB_OPERATION); crm_element_value_int(request, F_CIB_CALLOPTS, &call_options); rc = cib_get_operation_id(op, &call_type); if (rc == pcmk_ok && privileged == FALSE) { rc = cib_op_can_run(call_type, call_options, privileged, global_update); } rc2 = cib_op_prepare(call_type, request, &input, §ion); if (rc == pcmk_ok) { rc = rc2; } if (rc != pcmk_ok) { crm_trace("Call setup failed: %s", pcmk_strerror(rc)); goto done; } else if (cib_op_modifies(call_type) == FALSE) { #if ENABLE_ACL if (acl_enabled(config_hash) == FALSE || acl_filter_cib(request, current_cib, current_cib, &filtered_current_cib) == FALSE) { rc = cib_perform_op(op, call_options, cib_op_func(call_type), TRUE, section, request, input, FALSE, &config_changed, current_cib, &result_cib, NULL, &output); } else if (filtered_current_cib == NULL) { crm_debug("Pre-filtered the entire cib"); rc = -EACCES; } else { crm_debug("Pre-filtered the queried cib according to the ACLs"); rc = cib_perform_op(op, call_options, cib_op_func(call_type), TRUE, section, request, input, FALSE, &config_changed, filtered_current_cib, &result_cib, NULL, &output); } #else rc = cib_perform_op(op, call_options, cib_op_func(call_type), TRUE, section, request, input, FALSE, &config_changed, current_cib, &result_cib, NULL, &output); #endif CRM_CHECK(result_cib == NULL, free_xml(result_cib)); goto done; } /* Handle a valid write action */ global_update = crm_is_true(crm_element_value(request, F_CIB_GLOBAL_UPDATE)); if (global_update) { manage_counters = FALSE; call_options |= cib_force_diff; CRM_CHECK(call_type == 3 || call_type == 4, crm_err("Call type: %d", call_type); crm_log_xml_err(request, "bad op")); } #ifdef SUPPORT_PRENOTIFY if ((call_options & cib_inhibit_notify) == 0) { cib_pre_notify(call_options, op, the_cib, input); } #endif if (rc == pcmk_ok) { if (call_options & cib_inhibit_bcast) { /* skip */ crm_trace("Skipping update: inhibit broadcast"); manage_counters = FALSE; } /* result_cib must not be modified after cib_perform_op() returns */ rc = cib_perform_op(op, call_options, cib_op_func(call_type), FALSE, section, request, input, manage_counters, &config_changed, current_cib, &result_cib, cib_diff, &output); #if ENABLE_ACL if (acl_enabled(config_hash) == TRUE && acl_check_diff(request, current_cib, result_cib, *cib_diff) == FALSE) { rc = -EACCES; } #endif if (manage_counters == FALSE) { /* If the diff is NULL at this point, its because nothing changed */ config_changed = cib_config_changed(NULL, NULL, cib_diff); } /* Always write to disk for replace ops, * this also negates the need to detect ordering changes */ if (crm_str_eq(CIB_OP_REPLACE, op, TRUE)) { config_changed = TRUE; } } if (rc == pcmk_ok && (call_options & cib_dryrun) == 0) { rc = activateCibXml(result_cib, config_changed, op); if (rc == pcmk_ok && cib_internal_config_changed(*cib_diff)) { cib_read_config(config_hash, result_cib); } if (crm_str_eq(CIB_OP_REPLACE, op, TRUE)) { if (section == NULL) { send_r_notify = TRUE; } else if (safe_str_eq(section, XML_TAG_CIB)) { send_r_notify = TRUE; } else if (safe_str_eq(section, XML_CIB_TAG_NODES)) { send_r_notify = TRUE; } else if (safe_str_eq(section, XML_CIB_TAG_STATUS)) { send_r_notify = TRUE; } } else if (crm_str_eq(CIB_OP_ERASE, op, TRUE)) { send_r_notify = TRUE; } } else if (rc == -pcmk_err_dtd_validation) { if (output != NULL) { crm_log_xml_info(output, "cib:output"); free_xml(output); } #if ENABLE_ACL { xmlNode *filtered_result_cib = NULL; if (acl_enabled(config_hash) == FALSE || acl_filter_cib(request, current_cib, result_cib, &filtered_result_cib) == FALSE) { output = result_cib; } else { crm_debug("Filtered the result cib for output according to the ACLs"); output = filtered_result_cib; if (result_cib != NULL) { free_xml(result_cib); } } } #else output = result_cib; #endif } else { free_xml(result_cib); } if ((call_options & cib_inhibit_notify) == 0) { const char *client = crm_element_value(request, F_CIB_CLIENTNAME); crm_trace("Sending notifications"); #ifdef SUPPORT_POSTNOTIFY cib_post_notify(call_options, op, input, rc, the_cib); #endif cib_diff_notify(call_options, client, call_id, op, input, rc, *cib_diff); } if (send_r_notify) { const char *origin = crm_element_value(request, F_ORIG); cib_replace_notify(origin, the_cib, rc, *cib_diff); } if (rc != pcmk_ok) { log_level = LOG_TRACE; if (rc == -pcmk_err_dtd_validation && global_update) { log_level = LOG_WARNING; crm_log_xml_info(input, "cib:global_update"); } } else if (config_changed) { log_level = LOG_TRACE; if (cib_is_master) { log_level = LOG_NOTICE; } } else if (cib_is_master) { log_level = LOG_TRACE; } log_cib_diff(log_level, *cib_diff, "cib:diff"); done: if ((call_options & cib_discard_reply) == 0) { const char *caller = crm_element_value(request, F_CIB_CLIENTID); *reply = create_xml_node(NULL, "cib-reply"); crm_xml_add(*reply, F_TYPE, T_CIB); crm_xml_add(*reply, F_CIB_OPERATION, op); crm_xml_add(*reply, F_CIB_CALLID, call_id); crm_xml_add(*reply, F_CIB_CLIENTID, caller); crm_xml_add_int(*reply, F_CIB_CALLOPTS, call_options); crm_xml_add_int(*reply, F_CIB_RC, rc); if (output != NULL) { crm_trace("Attaching reply output"); add_message_xml(*reply, F_CIB_CALLDATA, output); } crm_log_xml_explicit(*reply, "cib:reply"); } crm_trace("cleanup"); #if ENABLE_ACL if (filtered_current_cib != NULL) { free_xml(filtered_current_cib); } #endif if (call_type >= 0) { cib_op_cleanup(call_type, call_options, &input, &output); } crm_trace("done"); return rc; } gint cib_GCompareFunc(gconstpointer a, gconstpointer b) { const xmlNode *a_msg = a; const xmlNode *b_msg = b; int msg_a_id = 0; int msg_b_id = 0; const char *value = NULL; value = crm_element_value_const(a_msg, F_CIB_CALLID); msg_a_id = crm_parse_int(value, NULL); value = crm_element_value_const(b_msg, F_CIB_CALLID); msg_b_id = crm_parse_int(value, NULL); if (msg_a_id == msg_b_id) { return 0; } else if (msg_a_id < msg_b_id) { return -1; } return 1; } #if SUPPORT_HEARTBEAT void cib_ha_peer_callback(HA_Message * msg, void *private_data) { xmlNode *xml = convert_ha_message(NULL, msg, __FUNCTION__); cib_peer_callback(xml, private_data); free_xml(xml); } #endif void cib_peer_callback(xmlNode * msg, void *private_data) { const char *reason = NULL; const char *originator = crm_element_value(msg, F_ORIG); if (originator == NULL || crm_str_eq(originator, cib_our_uname, TRUE)) { /* message is from ourselves */ int bcast_id = 0; if (!(crm_element_value_int(msg, F_CIB_LOCAL_NOTIFY_ID, &bcast_id))) { check_local_notify(bcast_id); } return; } else if (crm_peer_cache == NULL) { reason = "membership not established"; goto bail; } if (crm_element_value(msg, F_CIB_CLIENTNAME) == NULL) { crm_xml_add(msg, F_CIB_CLIENTNAME, originator); } /* crm_log_xml_trace("Peer[inbound]", msg); */ cib_process_request(msg, FALSE, TRUE, TRUE, NULL); return; bail: if (reason) { const char *seq = crm_element_value(msg, F_SEQ); const char *op = crm_element_value(msg, F_CIB_OPERATION); crm_warn("Discarding %s message (%s) from %s: %s", op, seq, originator, reason); } } #if SUPPORT_HEARTBEAT extern oc_ev_t *cib_ev_token; static void *ccm_library = NULL; int (*ccm_api_callback_done) (void *cookie) = NULL; int (*ccm_api_handle_event) (const oc_ev_t * token) = NULL; void cib_client_status_callback(const char *node, const char *client, const char *status, void *private) { crm_node_t *peer = NULL; if (safe_str_eq(client, CRM_SYSTEM_CIB)) { crm_info("Status update: Client %s/%s now has status [%s]", node, client, status); if (safe_str_eq(status, JOINSTATUS)) { status = ONLINESTATUS; } else if (safe_str_eq(status, LEAVESTATUS)) { status = OFFLINESTATUS; } peer = crm_get_peer(0, node); crm_update_peer_proc(__FUNCTION__, peer, crm_proc_cib, status); } return; } int cib_ccm_dispatch(gpointer user_data) { int rc = 0; oc_ev_t *ccm_token = (oc_ev_t *) user_data; crm_trace("received callback"); if (ccm_api_handle_event == NULL) { ccm_api_handle_event = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_handle_event", 1); } rc = (*ccm_api_handle_event) (ccm_token); if (0 == rc) { return 0; } crm_err("CCM connection appears to have failed: rc=%d.", rc); /* eventually it might be nice to recover and reconnect... but until then... */ crm_err("Exiting to recover from CCM connection failure"); return crm_exit(ENOTCONN); } int current_instance = 0; void cib_ccm_msg_callback(oc_ed_t event, void *cookie, size_t size, const void *data) { gboolean update_id = FALSE; const oc_ev_membership_t *membership = data; CRM_ASSERT(membership != NULL); crm_info("Processing CCM event=%s (id=%d)", ccm_event_name(event), membership->m_instance); if (current_instance > membership->m_instance) { crm_err("Membership instance ID went backwards! %d->%d", current_instance, membership->m_instance); CRM_ASSERT(current_instance <= membership->m_instance); } switch (event) { case OC_EV_MS_NEW_MEMBERSHIP: case OC_EV_MS_INVALID: update_id = TRUE; break; case OC_EV_MS_PRIMARY_RESTORED: update_id = TRUE; break; case OC_EV_MS_NOT_PRIMARY: crm_trace("Ignoring transitional CCM event: %s", ccm_event_name(event)); break; case OC_EV_MS_EVICTED: crm_err("Evicted from CCM: %s", ccm_event_name(event)); break; default: crm_err("Unknown CCM event: %d", event); } if (update_id) { unsigned int lpc = 0; CRM_CHECK(membership != NULL, return); current_instance = membership->m_instance; for (lpc = 0; lpc < membership->m_n_out; lpc++) { crm_update_ccm_node(membership, lpc + membership->m_out_idx, CRM_NODE_LOST, current_instance); } for (lpc = 0; lpc < membership->m_n_member; lpc++) { crm_update_ccm_node(membership, lpc + membership->m_memb_idx, CRM_NODE_ACTIVE, current_instance); } } if (ccm_api_callback_done == NULL) { ccm_api_callback_done = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_callback_done", 1); } (*ccm_api_callback_done) (cookie); return; } #endif gboolean can_write(int flags) { return TRUE; } static gboolean cib_force_exit(gpointer data) { crm_notice("Forcing exit!"); terminate_cib(__FUNCTION__, TRUE); return FALSE; } static void disconnect_remote_client(gpointer key, gpointer value, gpointer user_data) { crm_client_t *a_client = value; crm_err("Disconnecting %s... Not implemented", crm_str(a_client->name)); } void cib_shutdown(int nsig) { struct qb_ipcs_stats srv_stats; if (cib_shutdown_flag == FALSE) { int disconnects = 0; qb_ipcs_connection_t *c = NULL; cib_shutdown_flag = TRUE; c = qb_ipcs_connection_first_get(ipcs_rw); while (c != NULL) { qb_ipcs_connection_t *last = c; c = qb_ipcs_connection_next_get(ipcs_rw, last); crm_debug("Disconnecting r/w client %p...", last); qb_ipcs_disconnect(last); qb_ipcs_connection_unref(last); disconnects++; } c = qb_ipcs_connection_first_get(ipcs_ro); while (c != NULL) { qb_ipcs_connection_t *last = c; c = qb_ipcs_connection_next_get(ipcs_ro, last); crm_debug("Disconnecting r/o client %p...", last); qb_ipcs_disconnect(last); qb_ipcs_connection_unref(last); disconnects++; } c = qb_ipcs_connection_first_get(ipcs_shm); while (c != NULL) { qb_ipcs_connection_t *last = c; c = qb_ipcs_connection_next_get(ipcs_shm, last); crm_debug("Disconnecting non-blocking r/w client %p...", last); qb_ipcs_disconnect(last); qb_ipcs_connection_unref(last); disconnects++; } disconnects += crm_hash_table_size(client_connections); crm_debug("Disconnecting %d remote clients", crm_hash_table_size(client_connections)); g_hash_table_foreach(client_connections, disconnect_remote_client, NULL); crm_info("Disconnected %d clients", disconnects); } qb_ipcs_stats_get(ipcs_rw, &srv_stats, QB_FALSE); if (crm_hash_table_size(client_connections) == 0) { crm_info("All clients disconnected (%d)", srv_stats.active_connections); initiate_exit(); } else { crm_info("Waiting on %d clients to disconnect (%d)", crm_hash_table_size(client_connections), srv_stats.active_connections); } } void initiate_exit(void) { int active = 0; xmlNode *leaving = NULL; active = crm_active_peers(); if (active < 2) { terminate_cib(__FUNCTION__, FALSE); return; } crm_info("Sending disconnect notification to %d peers...", active); leaving = create_xml_node(NULL, "exit-notification"); crm_xml_add(leaving, F_TYPE, "cib"); crm_xml_add(leaving, F_CIB_OPERATION, "cib_shutdown_req"); send_cluster_message(NULL, crm_msg_cib, leaving, TRUE); free_xml(leaving); g_timeout_add(crm_get_msec("5s"), cib_force_exit, NULL); } extern int remote_fd; extern int remote_tls_fd; void terminate_cib(const char *caller, gboolean fast) { if (remote_fd > 0) { close(remote_fd); remote_fd = 0; } if (remote_tls_fd > 0) { close(remote_tls_fd); remote_tls_fd = 0; } if (!fast) { crm_info("%s: Disconnecting from cluster infrastructure", caller); crm_cluster_disconnect(&crm_cluster); } uninitializeCib(); crm_info("%s: Exiting%s...", caller, fast ? " fast" : mainloop ? " from mainloop" : ""); if (fast == FALSE && mainloop != NULL && g_main_is_running(mainloop)) { g_main_quit(mainloop); } else { qb_ipcs_destroy(ipcs_ro); qb_ipcs_destroy(ipcs_rw); qb_ipcs_destroy(ipcs_shm); if (fast) { crm_exit(EINVAL); } else { crm_exit(pcmk_ok); } } } pacemaker-master/cib/callbacks.h000066400000000000000000000053331217637305600171420ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #ifdef HAVE_GNUTLS_GNUTLS_H # undef KEYFILE # include #endif extern gboolean cib_is_master; extern GHashTable *peer_hash; extern GHashTable *config_hash; /* *INDENT-OFF* */ enum cib_notifications { cib_notify_pre = 0x0001, cib_notify_post = 0x0002, cib_notify_replace = 0x0004, cib_notify_confirm = 0x0008, cib_notify_diff = 0x0010, }; /* *INDENT-ON* */ typedef struct cib_operation_s { const char *operation; gboolean modifies_cib; gboolean needs_privileges; gboolean needs_quorum; int (*prepare) (xmlNode *, xmlNode **, const char **); int (*cleanup) (int, xmlNode **, xmlNode **); int (*fn) (const char *, int, const char *, xmlNode *, xmlNode *, xmlNode *, xmlNode **, xmlNode **); } cib_operation_t; extern struct qb_ipcs_service_handlers ipc_ro_callbacks; extern struct qb_ipcs_service_handlers ipc_rw_callbacks; extern qb_ipcs_service_t *ipcs_ro; extern qb_ipcs_service_t *ipcs_rw; extern qb_ipcs_service_t *ipcs_shm; extern void cib_peer_callback(xmlNode * msg, void *private_data); extern void cib_client_status_callback(const char *node, const char *client, const char *status, void *private); extern void cib_common_callback_worker(uint32_t id, uint32_t flags, xmlNode * op_request, crm_client_t * cib_client, gboolean privileged); void cib_shutdown(int nsig); void initiate_exit(void); void terminate_cib(const char *caller, gboolean fast); #if SUPPORT_HEARTBEAT extern void cib_ha_peer_callback(HA_Message * msg, void *private_data); extern int cib_ccm_dispatch(gpointer user_data); extern void cib_ccm_msg_callback(oc_ed_t event, void *cookie, size_t size, const void *data); #endif pacemaker-master/cib/cib.pam000066400000000000000000000003571217637305600163070ustar00rootroot00000000000000# login: auth account password session # may require permission to read /etc/shadow auth include common-auth account include common-account password include common-password session include common-session pacemaker-master/cib/cibio.h000066400000000000000000000034251217637305600163100ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CIB_IO__H # define CIB_IO__H # include # include # include # include # include # include # include # include extern gboolean initialized; extern xmlNode *the_cib; extern xmlNode *node_search; extern xmlNode *resource_search; extern xmlNode *constraint_search; extern xmlNode *status_search; extern xmlNode *get_the_CIB(void); extern int initializeCib(xmlNode * cib); extern gboolean uninitializeCib(void); extern xmlNode *createEmptyCib(void); extern gboolean verifyCibXml(xmlNode * cib); extern xmlNode *readCibXml(char *buffer); extern xmlNode *readCibXmlFile(const char *dir, const char *file, gboolean discard_status); extern int activateCibBuffer(char *buffer, const char *filename); extern int activateCibXml(xmlNode * doc, gboolean to_disk, const char *op); extern crm_trigger_t *cib_writer; extern gboolean cib_writes_enabled; /* extern xmlNode *server_get_cib_copy(void); */ #endif pacemaker-master/cib/cibmessages.h000066400000000000000000000070601217637305600175070ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CIB_MESSAGES__H # define CIB_MESSAGES__H extern xmlNode *createCibRequest(gboolean isLocal, const char *operation, const char *section, const char *verbose, xmlNode * data); extern int cib_process_shutdown_req(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_default(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_quit(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_ping(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_readwrite(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_replace_svr(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_server_process_diff(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_sync(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_sync_one(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); extern int cib_process_delete_absolute(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer); #endif pacemaker-master/cib/cibmon.c000066400000000000000000000137511217637305600164700ustar00rootroot00000000000000 /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include <../lib/pengine/unpack.h> #include #ifdef HAVE_GETOPT_H # include #endif int max_failures = 30; int exit_code = pcmk_ok; gboolean log_diffs = FALSE; gboolean log_updates = FALSE; GMainLoop *mainloop = NULL; void usage(const char *cmd, int exit_status); void cib_connection_destroy(gpointer user_data); void cibmon_shutdown(int nsig); void cibmon_diff(const char *event, xmlNode * msg); cib_t *cib = NULL; xmlNode *cib_copy = NULL; #define OPTARGS "V?m:du" int main(int argc, char **argv) { int argerr = 0; int flag; int attempts = 0; #ifdef HAVE_GETOPT_H int option_index = 0; static struct option long_options[] = { /* Top-level Options */ {"verbose", 0, 0, 'V'}, {"help", 0, 0, '?'}, {"log-diffs", 0, 0, 'd'}, {"log-updates", 0, 0, 'u'}, {"max-conn-fail", 1, 0, 'm'}, {0, 0, 0, 0} }; #endif crm_log_cli_init("cibmon"); crm_signal(SIGTERM, cibmon_shutdown); while (1) { #ifdef HAVE_GETOPT_H flag = getopt_long(argc, argv, OPTARGS, long_options, &option_index); #else flag = getopt(argc, argv, OPTARGS); #endif if (flag == -1) break; switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case '?': usage(crm_system_name, EX_OK); break; case 'd': log_diffs = TRUE; break; case 'u': log_updates = TRUE; break; case 'm': max_failures = crm_parse_int(optarg, "30"); break; default: printf("Argument code 0%o (%c)" " is not (?yet?) supported\n", flag, flag); ++argerr; break; } } if (optind < argc) { printf("non-option ARGV-elements: "); while (optind < argc) printf("%s ", argv[optind++]); printf("\n"); } if (optind > argc) { ++argerr; } if (argerr) { usage(crm_system_name, EX_USAGE); } cib = cib_new(); do { sleep(1); exit_code = cib->cmds->signon(cib, crm_system_name, cib_query); } while (exit_code == -ENOTCONN && attempts++ < max_failures); if (exit_code != pcmk_ok) { crm_err("Signon to CIB failed: %s", pcmk_strerror(exit_code)); } if (exit_code == pcmk_ok) { crm_debug("Setting dnotify"); exit_code = cib->cmds->set_connection_dnotify(cib, cib_connection_destroy); } crm_debug("Setting diff callback"); exit_code = cib->cmds->add_notify_callback(cib, T_CIB_DIFF_NOTIFY, cibmon_diff); if (exit_code != pcmk_ok) { crm_err("Failed to set %s callback: %s", T_CIB_DIFF_NOTIFY, pcmk_strerror(exit_code)); } if (exit_code != pcmk_ok) { crm_err("Setup failed, could not monitor CIB actions"); return -exit_code; } mainloop = g_main_new(FALSE); crm_info("Starting mainloop"); g_main_run(mainloop); crm_trace("%s exiting normally", crm_system_name); fflush(stderr); return -exit_code; } void usage(const char *cmd, int exit_status) { FILE *stream; stream = exit_status != 0 ? stderr : stdout; fflush(stream); crm_exit(exit_status); } void cib_connection_destroy(gpointer user_data) { cib_t *conn = user_data; crm_err("Connection to the CIB terminated... exiting"); conn->cmds->signoff(conn); /* Ensure IPC is cleaned up */ g_main_quit(mainloop); return; } void cibmon_diff(const char *event, xmlNode * msg) { int rc = -1; const char *op = NULL; unsigned int log_level = LOG_INFO; xmlNode *diff = NULL; xmlNode *cib_last = NULL; xmlNode *update = get_message_xml(msg, F_CIB_UPDATE); if (msg == NULL) { crm_err("NULL update"); return; } crm_element_value_int(msg, F_CIB_RC, &rc); op = crm_element_value(msg, F_CIB_OPERATION); diff = get_message_xml(msg, F_CIB_UPDATE_RESULT); if (rc < pcmk_ok) { log_level = LOG_WARNING; do_crm_log(log_level, "[%s] %s ABORTED: %s", event, op, pcmk_strerror(rc)); return; } if (log_diffs) { log_cib_diff(log_level, diff, op); } if (log_updates && update != NULL) { crm_log_xml_trace(update, "raw_update"); } if (cib_copy != NULL) { cib_last = cib_copy; cib_copy = NULL; rc = cib_process_diff(op, cib_force_diff, NULL, NULL, diff, cib_last, &cib_copy, NULL); if (rc != pcmk_ok) { crm_debug("Update didn't apply, requesting full copy: %s", pcmk_strerror(rc)); free_xml(cib_copy); cib_copy = NULL; } } if (cib_copy == NULL) { cib_copy = get_cib_copy(cib); } free_xml(cib_last); } void cibmon_shutdown(int nsig) { crm_exit(pcmk_ok); } pacemaker-master/cib/common.c000066400000000000000000000245011217637305600165040ustar00rootroot00000000000000/* * Copyright (C) 2008 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "common.h" extern gboolean cib_is_master; extern const char *cib_root; gboolean stand_alone = FALSE; extern int cib_status; extern gboolean can_write(int flags); extern int cib_perform_command(xmlNode * request, xmlNode ** reply, xmlNode ** cib_diff, gboolean privileged); static xmlNode * cib_prepare_common(xmlNode * root, const char *section) { xmlNode *data = NULL; /* extract the CIB from the fragment */ if (root == NULL) { return NULL; } else if (safe_str_eq(crm_element_name(root), XML_TAG_FRAGMENT) || safe_str_eq(crm_element_name(root), F_CRM_DATA) || safe_str_eq(crm_element_name(root), F_CIB_CALLDATA)) { data = first_named_child(root, XML_TAG_CIB); } else { data = root; } /* grab the section specified for the command */ if (section != NULL && data != NULL && crm_str_eq(crm_element_name(data), XML_TAG_CIB, TRUE)) { data = get_object_root(section, data); } /* crm_log_xml_trace(root, "cib:input"); */ return data; } static int cib_prepare_none(xmlNode * request, xmlNode ** data, const char **section) { *data = NULL; *section = crm_element_value(request, F_CIB_SECTION); return pcmk_ok; } static int cib_prepare_data(xmlNode * request, xmlNode ** data, const char **section) { xmlNode *input_fragment = get_message_xml(request, F_CIB_CALLDATA); *section = crm_element_value(request, F_CIB_SECTION); *data = cib_prepare_common(input_fragment, *section); /* crm_log_xml_debug(*data, "data"); */ return pcmk_ok; } static int cib_prepare_sync(xmlNode * request, xmlNode ** data, const char **section) { *data = NULL; *section = crm_element_value(request, F_CIB_SECTION); return pcmk_ok; } static int cib_prepare_diff(xmlNode * request, xmlNode ** data, const char **section) { xmlNode *input_fragment = NULL; const char *update = crm_element_value(request, F_CIB_GLOBAL_UPDATE); *data = NULL; *section = NULL; if (crm_is_true(update)) { input_fragment = get_message_xml(request, F_CIB_UPDATE_DIFF); } else { input_fragment = get_message_xml(request, F_CIB_CALLDATA); } CRM_CHECK(input_fragment != NULL, crm_log_xml_warn(request, "no input")); *data = cib_prepare_common(input_fragment, NULL); return pcmk_ok; } static int cib_cleanup_query(int options, xmlNode ** data, xmlNode ** output) { CRM_LOG_ASSERT(*data == NULL); if ((options & cib_no_children) || safe_str_eq(crm_element_name(*output), "xpath-query")) { free_xml(*output); } return pcmk_ok; } static int cib_cleanup_data(int options, xmlNode ** data, xmlNode ** output) { free_xml(*output); *data = NULL; return pcmk_ok; } static int cib_cleanup_output(int options, xmlNode ** data, xmlNode ** output) { free_xml(*output); return pcmk_ok; } static int cib_cleanup_none(int options, xmlNode ** data, xmlNode ** output) { CRM_LOG_ASSERT(*data == NULL); CRM_LOG_ASSERT(*output == NULL); return pcmk_ok; } static int cib_cleanup_sync(int options, xmlNode ** data, xmlNode ** output) { /* data is non-NULL but doesnt need to be free'd */ CRM_LOG_ASSERT(*data == NULL); CRM_LOG_ASSERT(*output == NULL); return pcmk_ok; } /* typedef struct cib_operation_s { const char* operation; gboolean modifies_cib; gboolean needs_privileges; gboolean needs_quorum; int (*prepare)(xmlNode *, xmlNode**, const char **); int (*cleanup)(xmlNode**, xmlNode**); int (*fn)( const char *, int, const char *, xmlNode*, xmlNode*, xmlNode**, xmlNode**); } cib_operation_t; */ /* technically bump does modify the cib... * but we want to split the "bump" from the "sync" */ /* *INDENT-OFF* */ static cib_operation_t cib_server_ops[] = { {NULL, FALSE, FALSE, FALSE, cib_prepare_none, cib_cleanup_none, cib_process_default}, {CIB_OP_QUERY, FALSE, FALSE, FALSE, cib_prepare_none, cib_cleanup_query, cib_process_query}, {CIB_OP_MODIFY, TRUE, TRUE, TRUE, cib_prepare_data, cib_cleanup_data, cib_process_modify}, {CIB_OP_APPLY_DIFF,TRUE, TRUE, TRUE, cib_prepare_diff, cib_cleanup_data, cib_server_process_diff}, {CIB_OP_REPLACE, TRUE, TRUE, TRUE, cib_prepare_data, cib_cleanup_data, cib_process_replace_svr}, {CIB_OP_CREATE, TRUE, TRUE, TRUE, cib_prepare_data, cib_cleanup_data, cib_process_create}, {CIB_OP_DELETE, TRUE, TRUE, TRUE, cib_prepare_data, cib_cleanup_data, cib_process_delete}, {CIB_OP_SYNC, FALSE, TRUE, FALSE, cib_prepare_sync, cib_cleanup_sync, cib_process_sync}, {CIB_OP_BUMP, TRUE, TRUE, TRUE, cib_prepare_none, cib_cleanup_output, cib_process_bump}, {CIB_OP_ERASE, TRUE, TRUE, TRUE, cib_prepare_none, cib_cleanup_output, cib_process_erase}, {CRM_OP_NOOP, FALSE, FALSE, FALSE, cib_prepare_none, cib_cleanup_none, cib_process_default}, {CIB_OP_DELETE_ALT,TRUE, TRUE, TRUE, cib_prepare_data, cib_cleanup_data, cib_process_delete_absolute}, {CIB_OP_UPGRADE, TRUE, TRUE, TRUE, cib_prepare_none, cib_cleanup_output, cib_process_upgrade}, {CIB_OP_SLAVE, FALSE, TRUE, FALSE, cib_prepare_none, cib_cleanup_none, cib_process_readwrite}, {CIB_OP_SLAVEALL, FALSE, TRUE, FALSE, cib_prepare_none, cib_cleanup_none, cib_process_readwrite}, {CIB_OP_SYNC_ONE, FALSE, TRUE, FALSE, cib_prepare_sync, cib_cleanup_sync, cib_process_sync_one}, {CIB_OP_MASTER, TRUE, TRUE, FALSE, cib_prepare_data, cib_cleanup_data, cib_process_readwrite}, {CIB_OP_ISMASTER, FALSE, TRUE, FALSE, cib_prepare_none, cib_cleanup_none, cib_process_readwrite}, {"cib_shutdown_req",FALSE, TRUE, FALSE, cib_prepare_sync, cib_cleanup_sync, cib_process_shutdown_req}, {CRM_OP_PING, FALSE, FALSE, FALSE, cib_prepare_none, cib_cleanup_output, cib_process_ping}, }; /* *INDENT-ON* */ int cib_get_operation_id(const char *op, int *operation) { static GHashTable *operation_hash = NULL; if (operation_hash == NULL) { int lpc = 0; int max_msg_types = DIMOF(cib_server_ops); operation_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, g_hash_destroy_str); for (lpc = 1; lpc < max_msg_types; lpc++) { int *value = malloc(sizeof(int)); if(value) { *value = lpc; g_hash_table_insert(operation_hash, (gpointer) cib_server_ops[lpc].operation, value); } } } if (op != NULL) { int *value = g_hash_table_lookup(operation_hash, op); if (value) { *operation = *value; return pcmk_ok; } } crm_err("Operation %s is not valid", op); *operation = -1; return -EINVAL; } xmlNode * cib_msg_copy(xmlNode * msg, gboolean with_data) { int lpc = 0; const char *field = NULL; const char *value = NULL; xmlNode *value_struct = NULL; static const char *field_list[] = { F_XML_TAGNAME, F_TYPE, F_CIB_CLIENTID, F_CIB_CALLOPTS, F_CIB_CALLID, F_CIB_OPERATION, F_CIB_ISREPLY, F_CIB_SECTION, F_CIB_HOST, F_CIB_RC, F_CIB_DELEGATED, F_CIB_OBJID, F_CIB_OBJTYPE, F_CIB_EXISTING, F_CIB_SEENCOUNT, F_CIB_TIMEOUT, F_CIB_CALLBACK_TOKEN, F_CIB_GLOBAL_UPDATE, F_CIB_CLIENTNAME, #if ENABLE_ACL F_CIB_USER, #endif F_CIB_NOTIFY_TYPE, F_CIB_NOTIFY_ACTIVATE }; static const char *data_list[] = { F_CIB_CALLDATA, F_CIB_UPDATE, F_CIB_UPDATE_RESULT }; xmlNode *copy = create_xml_node(NULL, "copy"); CRM_ASSERT(copy != NULL); for (lpc = 0; lpc < DIMOF(field_list); lpc++) { field = field_list[lpc]; value = crm_element_value(msg, field); if (value != NULL) { crm_xml_add(copy, field, value); } } for (lpc = 0; with_data && lpc < DIMOF(data_list); lpc++) { field = data_list[lpc]; value_struct = get_message_xml(msg, field); if (value_struct != NULL) { add_message_xml(copy, field, value_struct); } } return copy; } cib_op_t * cib_op_func(int call_type) { return &(cib_server_ops[call_type].fn); } gboolean cib_op_modifies(int call_type) { return cib_server_ops[call_type].modifies_cib; } int cib_op_can_run(int call_type, int call_options, gboolean privileged, gboolean global_update) { if (privileged == FALSE && cib_server_ops[call_type].needs_privileges) { /* abort */ return -EACCES; } #if 0 if (rc == pcmk_ok && stand_alone == FALSE && global_update == FALSE && (call_options & cib_quorum_override) == 0 && cib_server_ops[call_type].needs_quorum) { return -pcmk_err_no_quorum; } #endif return pcmk_ok; } int cib_op_prepare(int call_type, xmlNode * request, xmlNode ** input, const char **section) { crm_trace("Prepare %d", call_type); return cib_server_ops[call_type].prepare(request, input, section); } int cib_op_cleanup(int call_type, int options, xmlNode ** input, xmlNode ** output) { crm_trace("Cleanup %d", call_type); return cib_server_ops[call_type].cleanup(options, input, output); } pacemaker-master/cib/common.h000066400000000000000000000026521217637305600165140ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include extern xmlNode *cib_msg_copy(xmlNode * msg, gboolean with_data); extern xmlNode *cib_construct_reply(xmlNode * request, xmlNode * output, int rc); extern int cib_get_operation_id(const char *op, int *operation); extern cib_op_t *cib_op_func(int call_type); extern gboolean cib_op_modifies(int call_type); extern int cib_op_prepare(int call_type, xmlNode * request, xmlNode ** input, const char **section); extern int cib_op_cleanup(int call_type, int options, xmlNode ** input, xmlNode ** output); extern int cib_op_can_run(int call_type, int call_options, gboolean privileged, gboolean global_update); pacemaker-master/cib/io.c000066400000000000000000000536631217637305600156360ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define CIB_SERIES "cib" #define CIB_SERIES_MAX 100 #define CIB_SERIES_BZIP FALSE /* Must be false due to the way archived * copies are created - ie. with calls to * link() */ extern const char *cib_root; #define CIB_WRITE_PARANOIA 0 const char *local_resource_path[] = { XML_CIB_TAG_STATUS, }; const char *resource_path[] = { XML_CIB_TAG_RESOURCES, }; const char *node_path[] = { XML_CIB_TAG_NODES, }; const char *constraint_path[] = { XML_CIB_TAG_CONSTRAINTS, }; crm_trigger_t *cib_writer = NULL; gboolean initialized = FALSE; xmlNode *node_search = NULL; xmlNode *resource_search = NULL; xmlNode *constraint_search = NULL; xmlNode *status_search = NULL; extern int cib_status; int set_connected_peers(xmlNode * xml_obj); void GHFunc_count_peers(gpointer key, gpointer value, gpointer user_data); int write_cib_contents(gpointer p); extern void cib_cleanup(void); static gboolean validate_cib_digest(xmlNode * local_cib, const char *sigfile) { char *digest = NULL; char *expected = NULL; gboolean passed = FALSE; FILE *expected_strm = NULL; int start = 0, length = 0, read_len = 0; CRM_ASSERT(sigfile != NULL); expected_strm = fopen(sigfile, "r"); if (expected_strm == NULL && errno == ENOENT) { crm_warn("No on-disk digest present"); return TRUE; } else if (expected_strm == NULL) { crm_perror(LOG_ERR, "Could not open signature file %s for reading", sigfile); goto bail; } if (local_cib != NULL) { digest = calculate_on_disk_digest(local_cib); } start = ftell(expected_strm); fseek(expected_strm, 0L, SEEK_END); length = ftell(expected_strm); fseek(expected_strm, 0L, start); CRM_ASSERT(length >= 0); CRM_ASSERT(start == ftell(expected_strm)); if (length > 0) { crm_trace("Reading %d bytes from file", length); expected = calloc(1, (length + 1)); read_len = fread(expected, 1, length, expected_strm); /* Coverity: False positive */ CRM_ASSERT(read_len == length); } fclose(expected_strm); bail: if (expected == NULL) { crm_err("On-disk digest is empty"); } else if (safe_str_eq(expected, digest)) { crm_trace("Digest comparision passed: %s", digest); passed = TRUE; } else { crm_err("Digest comparision failed: expected %s (%s), calculated %s", expected, sigfile, digest); } free(digest); free(expected); return passed; } static int write_cib_digest(xmlNode * local_cib, const char *digest_file, int fd, char *digest) { int rc = 0; char *local_digest = NULL; FILE *digest_strm = fdopen(fd, "w"); if (digest_strm == NULL) { crm_perror(LOG_ERR, "Cannot open signature file %s for writing", digest_file); return -1; } if (digest == NULL) { local_digest = calculate_on_disk_digest(local_cib); CRM_ASSERT(digest != NULL); digest = local_digest; } rc = fprintf(digest_strm, "%s", digest); if (rc < 0) { crm_perror(LOG_ERR, "Cannot write to signature file %s", digest_file); } CRM_ASSERT(digest_strm != NULL); if (fflush(digest_strm) != 0) { crm_perror(LOG_ERR, "Couldnt flush the contents of %s", digest_file); rc = -1; } if (fsync(fileno(digest_strm)) < 0) { crm_perror(LOG_ERR, "Couldnt sync the contents of %s", digest_file); rc = -1; } fclose(digest_strm); free(local_digest); return rc; } static gboolean validate_on_disk_cib(const char *filename, xmlNode ** on_disk_cib) { int s_res = -1; struct stat buf; gboolean passed = TRUE; xmlNode *root = NULL; CRM_ASSERT(filename != NULL); s_res = stat(filename, &buf); if (s_res == 0) { char *sigfile = NULL; size_t fnsize; crm_trace("Reading cluster configuration from: %s", filename); root = filename2xml(filename); fnsize = strlen(filename) + 5; sigfile = calloc(1, fnsize); snprintf(sigfile, fnsize, "%s.sig", filename); if (validate_cib_digest(root, sigfile) == FALSE) { passed = FALSE; } free(sigfile); } if (on_disk_cib != NULL) { *on_disk_cib = root; } else { free_xml(root); } return passed; } static int cib_rename(const char *old, const char *new) { int rc = 0; int automatic_fd = 0; char *automatic = NULL; if (new == NULL) { umask(S_IWGRP | S_IWOTH | S_IROTH); automatic = g_strdup_printf("%s/cib.auto.XXXXXX", cib_root); automatic_fd = mkstemp(automatic); new = automatic; crm_err("Archiving corrupt or unusable file %s as %s", old, automatic); } rc = rename(old, new); if (rc < 0) { crm_perror(LOG_ERR, "Couldn't rename %s as %s - Disabling disk writes and continuing", old, new); cib_writes_enabled = FALSE; } if (automatic_fd > 0) { close(automatic_fd); } free(automatic); return rc; } /* * It is the callers responsibility to free the output of this function */ static xmlNode * retrieveCib(const char *filename, const char *sigfile, gboolean archive_invalid) { struct stat buf; xmlNode *root = NULL; crm_info("Reading cluster configuration from: %s (digest: %s)", filename, sigfile); if (stat(filename, &buf) != 0) { crm_warn("Cluster configuration not found: %s", filename); return NULL; } root = filename2xml(filename); if (root == NULL) { crm_err("%s exists but does NOT contain valid XML. ", filename); crm_warn("Continuing but %s will NOT used.", filename); } else if (validate_cib_digest(root, sigfile) == FALSE) { crm_err("Checksum of %s failed! Configuration contents ignored!", filename); crm_err("Usually this is caused by manual changes, " "please refer to http://clusterlabs.org/wiki/FAQ#cib_changes_detected"); crm_warn("Continuing but %s will NOT used.", filename); free_xml(root); root = NULL; if (archive_invalid) { /* Archive the original files so the contents are not lost */ cib_rename(filename, NULL); cib_rename(sigfile, NULL); } } return root; } static int cib_archive_filter(const struct dirent * a) { /* Looking for regular files (d_type = 8) starting with 'cib-' and not ending in .sig */ if(a->d_type != 8) { return 0; } else if(strstr(a->d_name, "cib-") != a->d_name) { return 0; } else if(strstr(a->d_name, ".sig") != NULL) { return 0; } return 1; } static int cib_archive_sort(const struct dirent ** a, const struct dirent **b) { /* Order by creation date - most recently created file first */ int rc = 0; struct stat buf; time_t a_age = 0; time_t b_age = 0; char *a_path = g_strdup_printf("%s/%s", cib_root, a[0]->d_name); char *b_path = g_strdup_printf("%s/%s", cib_root, b[0]->d_name); if(stat(a_path, &buf) == 0) { a_age = buf.st_ctime; } if(stat(b_path, &buf) == 0) { b_age = buf.st_ctime; } free(a_path); free(b_path); if(a_age > b_age) { rc = 1; } else if(a_age < b_age) { rc = -1; } crm_trace("%s (%u) vs. %s (%u) : %d", a[0]->d_name, a_age, b[0]->d_name, b_age, rc); return rc; } xmlNode * readCibXmlFile(const char *dir, const char *file, gboolean discard_status) { struct dirent **namelist = NULL; int lpc = 0; char *sigfile = NULL; char *filename = NULL; const char *name = NULL; const char *value = NULL; const char *validation = NULL; const char *use_valgrind = getenv("PCMK_valgrind_enabled"); xmlNode *root = NULL; xmlNode *status = NULL; if (!crm_is_writable(dir, file, CRM_DAEMON_USER, NULL, FALSE)) { cib_status = -EACCES; return NULL; } filename = crm_concat(dir, file, '/'); sigfile = crm_concat(filename, "sig", '.'); cib_status = pcmk_ok; root = retrieveCib(filename, sigfile, TRUE); free(filename); free(sigfile); if (root == NULL) { crm_warn("Primary configuration corrupt or unusable, trying backups"); lpc = scandir(cib_root, &namelist, cib_archive_filter, cib_archive_sort); if (lpc < 0) { crm_perror(LOG_NOTICE, "scandir(%s) failed", cib_root); } } while (root == NULL && lpc > 1) { lpc--; filename = g_strdup_printf("%s/%s", cib_root, namelist[lpc]->d_name); sigfile = crm_concat(filename, "sig", '.'); root = retrieveCib(filename, sigfile, FALSE); if(root) { crm_notice("Continuing with last valid configuration archive: %s", filename); } free(namelist[lpc]); free(filename); free(sigfile); } free(namelist); if (root == NULL) { root = createEmptyCib(); crm_xml_add(root, XML_ATTR_GENERATION, "0"); crm_xml_add(root, XML_ATTR_NUMUPDATES, "0"); crm_xml_add(root, XML_ATTR_GENERATION_ADMIN, "0"); crm_xml_add(root, XML_ATTR_VALIDATION, LATEST_SCHEMA_VERSION); crm_warn("Continuing with an empty configuration."); } if (cib_writes_enabled && use_valgrind) { if (crm_is_true(use_valgrind) || strstr(use_valgrind, "cib")) { cib_writes_enabled = FALSE; crm_err("*********************************************************"); crm_err("*** Disabling disk writes to avoid confusing Valgrind ***"); crm_err("*********************************************************"); } } status = find_xml_node(root, XML_CIB_TAG_STATUS, FALSE); if (discard_status && status != NULL) { /* strip out the status section if there is one */ free_xml(status); status = NULL; } if (status == NULL) { create_xml_node(root, XML_CIB_TAG_STATUS); } /* Do this before DTD validation happens */ /* fill in some defaults */ name = XML_ATTR_GENERATION_ADMIN; value = crm_element_value(root, name); if (value == NULL) { crm_warn("No value for %s was specified in the configuration.", name); crm_warn("The reccomended course of action is to shutdown," " run crm_verify and fix any errors it reports."); crm_warn("We will default to zero and continue but may get" " confused about which configuration to use if" " multiple nodes are powered up at the same time."); crm_xml_add_int(root, name, 0); } name = XML_ATTR_GENERATION; value = crm_element_value(root, name); if (value == NULL) { crm_xml_add_int(root, name, 0); } name = XML_ATTR_NUMUPDATES; value = crm_element_value(root, name); if (value == NULL) { crm_xml_add_int(root, name, 0); } /* unset these and require the DC/CCM to update as needed */ xml_remove_prop(root, XML_ATTR_DC_UUID); if (discard_status) { crm_log_xml_trace(root, "[on-disk]"); } validation = crm_element_value(root, XML_ATTR_VALIDATION); if (validate_xml(root, NULL, TRUE) == FALSE) { crm_err("CIB does not validate with %s", crm_str(validation)); cib_status = -pcmk_err_dtd_validation; } else if (validation == NULL) { int version = 0; update_validation(&root, &version, FALSE, FALSE); if (version > 0) { crm_notice("Enabling %s validation on" " the existing (sane) configuration", get_schema_name(version)); } else { crm_err("CIB does not validate with any known DTD or schema"); cib_status = -pcmk_err_dtd_validation; } } return root; } /* * The caller should never free the return value */ xmlNode * get_the_CIB(void) { return the_cib; } gboolean uninitializeCib(void) { xmlNode *tmp_cib = the_cib; if (tmp_cib == NULL) { crm_debug("The CIB has already been deallocated."); return FALSE; } initialized = FALSE; the_cib = NULL; node_search = NULL; resource_search = NULL; constraint_search = NULL; status_search = NULL; crm_debug("Deallocating the CIB."); free_xml(tmp_cib); crm_debug("The CIB has been deallocated."); return TRUE; } /* * This method will not free the old CIB pointer or the new one. * We rely on the caller to have saved a pointer to the old CIB * and to free the old/bad one depending on what is appropriate. */ gboolean initializeCib(xmlNode * new_cib) { if (new_cib == NULL) { return FALSE; } the_cib = new_cib; initialized = TRUE; return TRUE; } static void sync_directory(const char *name) { int fd = 0; DIR *directory = NULL; directory = opendir(name); if (directory == NULL) { crm_perror(LOG_ERR, "Could not open %s for syncing", name); return; } fd = dirfd(directory); if (fd < 0) { crm_perror(LOG_ERR, "Could not obtain file descriptor for %s", name); } else if (fsync(fd) < 0) { crm_perror(LOG_ERR, "Could not sync %s", name); } if (closedir(directory) < 0) { crm_perror(LOG_ERR, "Could not close %s after fsync", name); } } /* * This method will free the old CIB pointer on success and the new one * on failure. */ int activateCibXml(xmlNode * new_cib, gboolean to_disk, const char *op) { xmlNode *saved_cib = the_cib; CRM_ASSERT(new_cib != saved_cib); if (initializeCib(new_cib) == FALSE) { free_xml(new_cib); crm_err("Ignoring invalid or NULL CIB"); if (saved_cib != NULL) { crm_warn("Reverting to last known CIB"); if (initializeCib(saved_cib) == FALSE) { /* oh we are so dead */ crm_crit("Couldn't re-initialize the old CIB!"); exit(1); } } else { crm_crit("Could not write out new CIB and no saved" " version to revert to"); } return -ENODATA; } free_xml(saved_cib); if (cib_writes_enabled && cib_status == pcmk_ok && to_disk) { crm_debug("Triggering CIB write for %s op", op); mainloop_set_trigger(cib_writer); } return pcmk_ok; } static void cib_diskwrite_complete(mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode) { if (signo) { crm_notice("Disk write process terminated with signal %d (pid=%d, core=%d)", signo, pid, core); } else { do_crm_log(exitcode == 0 ? LOG_TRACE : LOG_ERR, "Disk write process exited (pid=%d, rc=%d)", pid, exitcode); } if (exitcode != 0 && cib_writes_enabled) { crm_err("Disabling disk writes after write failure"); cib_writes_enabled = FALSE; } mainloop_trigger_complete(cib_writer); } int write_cib_contents(gpointer p) { int fd = -1; int exit_rc = pcmk_ok; char *digest = NULL; xmlNode *cib_status_root = NULL; xmlNode *cib_local = NULL; xmlNode *cib_tmp = NULL; int tmp_cib_fd = 0; int tmp_digest_fd = 0; char *tmp_cib = NULL; char *tmp_digest = NULL; char *digest_file = NULL; char *primary_file = NULL; char *backup_file = NULL; char *backup_digest = NULL; const char *epoch = NULL; const char *admin_epoch = NULL; if (p) { /* Synchronous write out */ cib_local = copy_xml(p); } else { int pid = 0; int bb_state = qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_STATE_GET, 0); /* Turn it off before the fork() to avoid: * - 2 processes writing to the same shared mem * - the child needing to disable it * (which would close it from underneath the parent) * This way, the shared mem files are already closed */ qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_ENABLED, QB_FALSE); pid = fork(); if (pid < 0) { crm_perror(LOG_ERR, "Disabling disk writes after fork failure"); cib_writes_enabled = FALSE; return FALSE; } if (pid) { /* Parent */ mainloop_child_add(pid, 0, "disk-writer", NULL, cib_diskwrite_complete); if (bb_state == QB_LOG_STATE_ENABLED) { /* Re-enable now that it it safe */ qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_ENABLED, QB_TRUE); } return -1; /* -1 means 'still work to do' */ } /* A-synchronous write out after a fork() */ /* In theory we can scribble on "the_cib" here and not affect the parent * But lets be safe anyway */ cib_local = copy_xml(the_cib); } epoch = crm_element_value(cib_local, XML_ATTR_GENERATION); admin_epoch = crm_element_value(cib_local, XML_ATTR_GENERATION_ADMIN); primary_file = crm_concat(cib_root, "cib.xml", '/'); digest_file = crm_concat(primary_file, "sig", '.'); /* Always write out with num_updates=0 */ crm_xml_add(cib_local, XML_ATTR_NUMUPDATES, "0"); fd = open(primary_file, O_NOFOLLOW); if (fd >= 0) { int rc = 0; int seq = get_last_sequence(cib_root, CIB_SERIES); /* check the admin didnt modify it underneath us */ if (validate_on_disk_cib(primary_file, NULL) == FALSE) { crm_err("%s was manually modified while the cluster was active!", primary_file); exit_rc = pcmk_err_cib_modified; goto cleanup; } backup_file = generate_series_filename(cib_root, CIB_SERIES, seq, CIB_SERIES_BZIP); backup_digest = crm_concat(backup_file, "sig", '.'); unlink(backup_file); unlink(backup_digest); rc = link(primary_file, backup_file); if (rc < 0) { exit_rc = pcmk_err_cib_backup; crm_perror(LOG_ERR, "Cannot link %s to %s", primary_file, backup_file); goto cleanup; } rc = link(digest_file, backup_digest); if (rc < 0 && errno != ENOENT) { exit_rc = pcmk_err_cib_backup; crm_perror(LOG_ERR, "Cannot link %s to %s", digest_file, backup_digest); goto cleanup; } write_last_sequence(cib_root, CIB_SERIES, seq + 1, CIB_SERIES_MAX); sync_directory(cib_root); crm_info("Archived previous version as %s", backup_file); } /* Given that we discard the status section on startup * there is no point writing it out in the first place * since users just get confused by it * * So delete the status section before we write it out */ crm_debug("Writing CIB to disk"); if (p == NULL) { cib_status_root = find_xml_node(cib_local, XML_CIB_TAG_STATUS, TRUE); CRM_LOG_ASSERT(cib_status_root != NULL); if (cib_status_root != NULL) { free_xml(cib_status_root); } } tmp_cib = g_strdup_printf("%s/cib.XXXXXX", cib_root); tmp_digest = g_strdup_printf("%s/cib.XXXXXX", cib_root); umask(S_IWGRP | S_IWOTH | S_IROTH); tmp_cib_fd = mkstemp(tmp_cib); if (tmp_cib_fd < 0 || write_xml_fd(cib_local, tmp_cib, tmp_cib_fd, FALSE) <= 0) { crm_err("Changes couldn't be written to %s", tmp_cib); exit_rc = pcmk_err_cib_save; goto cleanup; } /* Must calculate the digest after writing as write_xml_file() updates the last-written field */ digest = calculate_on_disk_digest(cib_local); crm_info("Wrote version %s.%s.0 of the CIB to disk (digest: %s)", admin_epoch ? admin_epoch : "0", epoch ? epoch : "0", digest); tmp_digest_fd = mkstemp(tmp_digest); if (tmp_digest_fd < 0 || write_cib_digest(cib_local, tmp_digest, tmp_digest_fd, digest) <= 0) { crm_err("Digest couldn't be written to %s", tmp_digest); exit_rc = pcmk_err_cib_save; goto cleanup; } crm_debug("Wrote digest %s to disk", digest); cib_tmp = retrieveCib(tmp_cib, tmp_digest, FALSE); CRM_ASSERT(cib_tmp != NULL); sync_directory(cib_root); crm_debug("Activating %s", tmp_cib); cib_rename(tmp_cib, primary_file); cib_rename(tmp_digest, digest_file); sync_directory(cib_root); cleanup: free(backup_digest); free(primary_file); free(backup_file); free(digest_file); free(digest); free(tmp_digest); free(tmp_cib); free_xml(cib_tmp); free_xml(cib_local); if (fd >= 0) { close(fd); } if (p == NULL) { /* exit() could potentially affect the parent by closing things it shouldn't * Use _exit instead */ _exit(exit_rc); } return exit_rc; } void GHFunc_count_peers(gpointer key, gpointer value, gpointer user_data) { int *active = user_data; if (safe_str_eq(value, ONLINESTATUS)) { (*active)++; } else if (safe_str_eq(value, JOINSTATUS)) { (*active)++; } } pacemaker-master/cib/main.c000066400000000000000000000402251217637305600161410ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #if HAVE_LIBXML2 # include #endif #ifdef HAVE_GETOPT_H # include #endif #if HAVE_BZLIB_H # include #endif extern int init_remote_listener(int port, gboolean encrypted); extern gboolean stand_alone; gboolean cib_shutdown_flag = FALSE; int cib_status = pcmk_ok; crm_cluster_t crm_cluster; #if SUPPORT_HEARTBEAT oc_ev_t *cib_ev_token; ll_cluster_t *hb_conn = NULL; extern void oc_ev_special(const oc_ev_t *, oc_ev_class_t, int); gboolean cib_register_ha(ll_cluster_t * hb_cluster, const char *client_name); #else void *hb_conn = NULL; #endif extern void terminate_cib(const char *caller, gboolean fast); GMainLoop *mainloop = NULL; const char *cib_root = NULL; char *cib_our_uname = NULL; gboolean preserve_status = FALSE; gboolean cib_writes_enabled = TRUE; int remote_fd = 0; int remote_tls_fd = 0; int cib_init(void); void cib_shutdown(int nsig); gboolean startCib(const char *filename); extern int write_cib_contents(gpointer p); GHashTable *config_hash = NULL; GHashTable *local_notify_queue = NULL; char *channel1 = NULL; char *channel2 = NULL; char *channel3 = NULL; char *channel4 = NULL; char *channel5 = NULL; #define OPTARGS "maswr:V?" void cib_cleanup(void); static void cib_enable_writes(int nsig) { crm_info("(Re)enabling disk writes"); cib_writes_enabled = TRUE; } static void log_cib_client(gpointer key, gpointer value, gpointer user_data) { crm_info("Client %s", crm_client_name(value)); } /* *INDENT-OFF* */ static struct crm_option long_options[] = { /* Top-level Options */ {"help", 0, 0, '?', "\tThis text"}, {"verbose", 0, 0, 'V', "\tIncrease debug output"}, {"per-action-cib", 0, 0, 'a', "\tAdvanced use only"}, {"stand-alone", 0, 0, 's', "\tAdvanced use only"}, {"disk-writes", 0, 0, 'w', "\tAdvanced use only"}, {"cib-root", 1, 0, 'r', "\tAdvanced use only"}, {0, 0, 0, 0} }; /* *INDENT-ON* */ int main(int argc, char **argv) { int flag; int rc = 0; int index = 0; int argerr = 0; struct passwd *pwentry = NULL; crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE); crm_set_options(NULL, "[options]", long_options, "Daemon for storing and replicating the cluster configuration"); mainloop_add_signal(SIGTERM, cib_shutdown); mainloop_add_signal(SIGPIPE, cib_enable_writes); cib_writer = mainloop_add_trigger(G_PRIORITY_LOW, write_cib_contents, NULL); crm_peer_init(); while (1) { flag = crm_get_option(argc, argv, &index); if (flag == -1) break; switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case 's': stand_alone = TRUE; preserve_status = TRUE; cib_writes_enabled = FALSE; pwentry = getpwnam(CRM_DAEMON_USER); CRM_CHECK(pwentry != NULL, crm_perror(LOG_ERR, "Invalid uid (%s) specified", CRM_DAEMON_USER); return 100); rc = setgid(pwentry->pw_gid); if (rc < 0) { crm_perror(LOG_ERR, "Could not set group to %d", pwentry->pw_gid); return 100; } rc = initgroups(CRM_DAEMON_GROUP, pwentry->pw_gid); if (rc < 0) { crm_perror(LOG_ERR, "Could not setup groups for user %d", pwentry->pw_uid); return 100; } rc = setuid(pwentry->pw_uid); if (rc < 0) { crm_perror(LOG_ERR, "Could not set user to %d", pwentry->pw_uid); return 100; } break; case '?': /* Help message */ crm_help(flag, EX_OK); break; case 'w': cib_writes_enabled = TRUE; break; case 'r': cib_root = optarg; break; case 'm': cib_metadata(); return 0; default: ++argerr; break; } } if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) { cib_metadata(); return 0; } if (optind > argc) { ++argerr; } if (argerr) { crm_help('?', EX_USAGE); } if (cib_root == NULL) { char *path = g_strdup_printf("%s/cib.xml", CRM_CONFIG_DIR); char *legacy = g_strdup_printf("%s/cib.xml", CRM_LEGACY_CONFIG_DIR); if (g_file_test(path, G_FILE_TEST_EXISTS)) { cib_root = CRM_CONFIG_DIR; } else if (g_file_test(legacy, G_FILE_TEST_EXISTS)) { cib_root = CRM_LEGACY_CONFIG_DIR; crm_notice("Using legacy config location: %s", cib_root); } else { cib_root = CRM_CONFIG_DIR; crm_notice("Using new config location: %s", cib_root); } g_free(legacy); g_free(path); } else { crm_notice("Using custom config location: %s", cib_root); } if (crm_is_writable(cib_root, NULL, CRM_DAEMON_USER, CRM_DAEMON_GROUP, FALSE) == FALSE) { crm_err("Bad permissions on %s. Terminating", cib_root); fprintf(stderr, "ERROR: Bad permissions on %s. See logs for details\n", cib_root); fflush(stderr); return 100; } /* read local config file */ rc = cib_init(); CRM_CHECK(crm_hash_table_size(client_connections) == 0, crm_warn("Not all clients gone at exit")); g_hash_table_foreach(client_connections, log_cib_client, NULL); cib_cleanup(); #if SUPPORT_HEARTBEAT if (hb_conn) { hb_conn->llc_ops->delete(hb_conn); } #endif crm_info("Done"); return rc; } void cib_cleanup(void) { crm_peer_destroy(); if (local_notify_queue) { g_hash_table_destroy(local_notify_queue); } crm_client_cleanup(); g_hash_table_destroy(config_hash); free(cib_our_uname); free(channel1); free(channel2); free(channel3); free(channel4); free(channel5); } unsigned long cib_num_ops = 0; const char *cib_stat_interval = "10min"; unsigned long cib_num_local = 0, cib_num_updates = 0, cib_num_fail = 0; unsigned long cib_bad_connects = 0, cib_num_timeouts = 0; #if SUPPORT_HEARTBEAT gboolean ccm_connect(void); static void ccm_connection_destroy(gpointer user_data) { crm_err("CCM connection failed... blocking while we reconnect"); CRM_ASSERT(ccm_connect()); return; } static void *ccm_library = NULL; gboolean ccm_connect(void) { gboolean did_fail = TRUE; int num_ccm_fails = 0; int max_ccm_fails = 30; int ret; int cib_ev_fd; int (*ccm_api_register) (oc_ev_t ** token) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_register", 1); int (*ccm_api_set_callback) (const oc_ev_t * token, oc_ev_class_t class, oc_ev_callback_t * fn, oc_ev_callback_t ** prev_fn) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_set_callback", 1); void (*ccm_api_special) (const oc_ev_t *, oc_ev_class_t, int) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_special", 1); int (*ccm_api_activate) (const oc_ev_t * token, int *fd) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_activate", 1); int (*ccm_api_unregister) (oc_ev_t * token) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_unregister", 1); static struct mainloop_fd_callbacks ccm_fd_callbacks = { .dispatch = cib_ccm_dispatch, .destroy = ccm_connection_destroy, }; while (did_fail) { did_fail = FALSE; crm_info("Registering with CCM..."); ret = (*ccm_api_register) (&cib_ev_token); if (ret != 0) { did_fail = TRUE; } if (did_fail == FALSE) { crm_trace("Setting up CCM callbacks"); ret = (*ccm_api_set_callback) (cib_ev_token, OC_EV_MEMB_CLASS, cib_ccm_msg_callback, NULL); if (ret != 0) { crm_warn("CCM callback not set"); did_fail = TRUE; } } if (did_fail == FALSE) { (*ccm_api_special) (cib_ev_token, OC_EV_MEMB_CLASS, 0); crm_trace("Activating CCM token"); ret = (*ccm_api_activate) (cib_ev_token, &cib_ev_fd); if (ret != 0) { crm_warn("CCM Activation failed"); did_fail = TRUE; } } if (did_fail) { num_ccm_fails++; (*ccm_api_unregister) (cib_ev_token); if (num_ccm_fails < max_ccm_fails) { crm_warn("CCM Connection failed %d times (%d max)", num_ccm_fails, max_ccm_fails); sleep(3); } else { crm_err("CCM Activation failed %d (max) times", num_ccm_fails); return FALSE; } } } crm_debug("CCM Activation passed... all set to go!"); mainloop_add_fd("heartbeat-ccm", G_PRIORITY_MEDIUM, cib_ev_fd, cib_ev_token, &ccm_fd_callbacks); return TRUE; } #endif #if SUPPORT_COROSYNC static void cib_cs_dispatch(cpg_handle_t handle, const struct cpg_name *groupName, uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len) { uint32_t kind = 0; xmlNode *xml = NULL; const char *from = NULL; char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from); if(data == NULL) { return; } if (kind == crm_class_cluster) { xml = string2xml(data); if (xml == NULL) { crm_err("Invalid XML: '%.120s'", data); free(data); return; } crm_xml_add(xml, F_ORIG, from); /* crm_xml_add_int(xml, F_SEQ, wrapper->id); */ cib_peer_callback(xml, NULL); } free_xml(xml); free(data); } static void cib_cs_destroy(gpointer user_data) { if (cib_shutdown_flag) { crm_info("Corosync disconnection complete"); } else { crm_err("Corosync connection lost! Exiting."); terminate_cib(__FUNCTION__, TRUE); } } #endif static void cib_peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { #if 0 /* crm_active_peers(crm_proc_cib) appears to give the wrong answer * sometimes, this might help figure out why */ if (type == crm_status_nstate) { crm_info("status: %s is now %s (was %s)", node->uname, node->state, (const char *)data); if (safe_str_eq(CRMD_JOINSTATE_MEMBER, node->state)) { return; } } else if (type == crm_status_processes) { uint32_t old = 0; if (data) { old = *(const uint32_t *)data; } if ((node->processes ^ old) & crm_proc_cib) { crm_info("status: cib process on %s is now %sactive", node->uname, is_set(node->processes, crm_proc_cib) ? "" : "in"); } else { return; } } else { return; } #endif if (cib_shutdown_flag && crm_active_peers() < 2 && crm_hash_table_size(client_connections) == 0) { crm_info("No more peers"); terminate_cib(__FUNCTION__, FALSE); } } #if SUPPORT_HEARTBEAT static void cib_ha_connection_destroy(gpointer user_data) { if (cib_shutdown_flag) { crm_info("Heartbeat disconnection complete... exiting"); terminate_cib(__FUNCTION__, FALSE); } else { crm_err("Heartbeat connection lost! Exiting."); terminate_cib(__FUNCTION__, TRUE); } } #endif int cib_init(void) { if (is_openais_cluster()) { #if SUPPORT_COROSYNC crm_cluster.destroy = cib_cs_destroy; crm_cluster.cpg.cpg_deliver_fn = cib_cs_dispatch; crm_cluster.cpg.cpg_confchg_fn = pcmk_cpg_membership; #endif } else if (is_heartbeat_cluster()) { #if SUPPORT_HEARTBEAT crm_cluster.hb_dispatch = cib_ha_peer_callback; crm_cluster.destroy = cib_ha_connection_destroy; #endif } config_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); if (startCib("cib.xml") == FALSE) { crm_crit("Cannot start CIB... terminating"); crm_exit(ENODATA); } if (stand_alone == FALSE) { if (crm_cluster_connect(&crm_cluster) == FALSE) { crm_crit("Cannot sign in to the cluster... terminating"); crm_exit(DAEMON_RESPAWN_STOP); } cib_our_uname = crm_cluster.uname; if (is_openais_cluster()) { crm_set_status_callback(&cib_peer_update_callback); } #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { gboolean was_error = FALSE; hb_conn = crm_cluster.hb_conn; if (was_error == FALSE) { if (HA_OK != hb_conn->llc_ops->set_cstatus_callback(hb_conn, cib_client_status_callback, hb_conn)) { crm_err("Cannot set cstatus callback: %s", hb_conn->llc_ops->errmsg(hb_conn)); was_error = TRUE; } } if (was_error == FALSE) { was_error = (ccm_connect() == FALSE); } if (was_error == FALSE) { /* Async get client status information in the cluster */ crm_info("Requesting the list of configured nodes"); hb_conn->llc_ops->client_status(hb_conn, NULL, CRM_SYSTEM_CIB, -1); } } #endif } else { cib_our_uname = strdup("localhost"); } cib_ipc_servers_init(&ipcs_ro, &ipcs_rw, &ipcs_shm, &ipc_ro_callbacks, &ipc_rw_callbacks); if (stand_alone) { cib_is_master = TRUE; } /* Create the mainloop and run it... */ mainloop = g_main_new(FALSE); crm_info("Starting %s mainloop", crm_system_name); g_main_run(mainloop); cib_ipc_servers_destroy(ipcs_ro, ipcs_rw, ipcs_shm); return crm_exit(pcmk_ok); } gboolean startCib(const char *filename) { gboolean active = FALSE; xmlNode *cib = readCibXmlFile(cib_root, filename, !preserve_status); CRM_ASSERT(cib != NULL); if (activateCibXml(cib, TRUE, "start") == 0) { int port = 0; const char *port_s = NULL; active = TRUE; cib_read_config(config_hash, cib); port_s = crm_element_value(cib, "remote-tls-port"); if (port_s) { port = crm_parse_int(port_s, "0"); remote_tls_fd = init_remote_listener(port, TRUE); } port_s = crm_element_value(cib, "remote-clear-port"); if (port_s) { port = crm_parse_int(port_s, "0"); remote_fd = init_remote_listener(port, FALSE); } crm_info("CIB Initialization completed successfully"); } return active; } pacemaker-master/cib/messages.c000066400000000000000000000321471217637305600170300ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define MAX_DIFF_RETRY 5 #ifdef CIBPIPE gboolean cib_is_master = TRUE; #else gboolean cib_is_master = FALSE; #endif xmlNode *the_cib = NULL; gboolean syncd_once = FALSE; extern const char *cib_our_uname; int revision_check(xmlNode * cib_update, xmlNode * cib_copy, int flags); int get_revision(xmlNode * xml_obj, int cur_revision); int updateList(xmlNode * local_cib, xmlNode * update_command, xmlNode * failed, int operation, const char *section); gboolean check_generation(xmlNode * newCib, xmlNode * oldCib); gboolean update_results(xmlNode * failed, xmlNode * target, const char *operation, int return_code); int cib_update_counter(xmlNode * xml_obj, const char *field, gboolean reset); int sync_our_cib(xmlNode * request, gboolean all); extern xmlNode *cib_msg_copy(const xmlNode * msg, gboolean with_data); extern gboolean cib_shutdown_flag; int cib_process_shutdown_req(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { #ifdef CIBPIPE return -EINVAL; #else int result = pcmk_ok; const char *host = crm_element_value(req, F_ORIG); *answer = NULL; if (crm_element_value(req, F_CIB_ISREPLY) == NULL) { crm_info("Shutdown REQ from %s", host); return pcmk_ok; } else if (cib_shutdown_flag) { crm_info("Shutdown ACK from %s", host); terminate_cib(__FUNCTION__, FALSE); return pcmk_ok; } else { crm_err("Shutdown ACK from %s - not shutting down", host); result = -EINVAL; } return result; #endif } int cib_process_default(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int result = pcmk_ok; crm_trace("Processing \"%s\" event", op); *answer = NULL; if (op == NULL) { result = -EINVAL; crm_err("No operation specified"); } else if (strcasecmp(CRM_OP_NOOP, op) == 0) { ; } else { result = -EPROTONOSUPPORT; crm_err("Action [%s] is not supported by the CIB", op); } return result; } int cib_process_quit(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int result = pcmk_ok; crm_trace("Processing \"%s\" event", op); crm_warn("The CRMd has asked us to exit... complying"); crm_exit(pcmk_ok); return result; } int cib_process_readwrite(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { #ifdef CIBPIPE return -EINVAL; #else int result = pcmk_ok; crm_trace("Processing \"%s\" event", op); if (safe_str_eq(op, CIB_OP_ISMASTER)) { if (cib_is_master == TRUE) { result = pcmk_ok; } else { result = -EPERM; } return result; } if (safe_str_eq(op, CIB_OP_MASTER)) { if (cib_is_master == FALSE) { crm_info("We are now in R/W mode"); cib_is_master = TRUE; syncd_once = TRUE; } else { crm_debug("We are still in R/W mode"); } } else if (cib_is_master) { crm_info("We are now in R/O mode"); cib_is_master = FALSE; } return result; #endif } int cib_process_ping(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { #ifdef CIBPIPE return -EINVAL; #else int result = pcmk_ok; crm_trace("Processing \"%s\" event", op); *answer = create_xml_node(NULL, XML_CRM_TAG_PING); crm_xml_add(*answer, XML_PING_ATTR_STATUS, "ok"); crm_xml_add(*answer, XML_PING_ATTR_SYSFROM, CRM_SYSTEM_CIB); return result; #endif } int cib_process_sync(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { #ifdef CIBPIPE return -EINVAL; #else return sync_our_cib(req, TRUE); #endif } int cib_process_sync_one(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { #ifdef CIBPIPE return -EINVAL; #else return sync_our_cib(req, FALSE); #endif } int sync_in_progress = 0; int cib_server_process_diff(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { int rc = pcmk_ok; if (cib_is_master) { /* the master is never waiting for a resync */ sync_in_progress = 0; } if (sync_in_progress > MAX_DIFF_RETRY) { /* request another full-sync, * the last request may have been lost */ sync_in_progress = 0; } if (sync_in_progress) { int diff_add_updates = 0; int diff_add_epoch = 0; int diff_add_admin_epoch = 0; int diff_del_updates = 0; int diff_del_epoch = 0; int diff_del_admin_epoch = 0; cib_diff_version_details(input, &diff_add_admin_epoch, &diff_add_epoch, &diff_add_updates, &diff_del_admin_epoch, &diff_del_epoch, &diff_del_updates); sync_in_progress++; crm_notice("Not applying diff %d.%d.%d -> %d.%d.%d (sync in progress)", diff_del_admin_epoch, diff_del_epoch, diff_del_updates, diff_add_admin_epoch, diff_add_epoch, diff_add_updates); return -pcmk_err_diff_resync; } rc = cib_process_diff(op, options, section, req, input, existing_cib, result_cib, answer); if (rc == -pcmk_err_diff_resync && cib_is_master == FALSE) { xmlNode *sync_me = create_xml_node(NULL, "sync-me"); free_xml(*result_cib); *result_cib = NULL; crm_info("Requesting re-sync from peer"); sync_in_progress++; crm_xml_add(sync_me, F_TYPE, "cib"); crm_xml_add(sync_me, F_CIB_OPERATION, CIB_OP_SYNC_ONE); crm_xml_add(sync_me, F_CIB_DELEGATED, cib_our_uname); if (send_cluster_message(NULL, crm_msg_cib, sync_me, FALSE) == FALSE) { rc = -ENOTCONN; } free_xml(sync_me); } else if (rc == -pcmk_err_diff_resync) { rc = -pcmk_err_diff_failed; if (options & cib_force_diff) { crm_warn("Not requesting full refresh in R/W mode"); } } return rc; } int cib_process_replace_svr(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { const char *tag = crm_element_name(input); int rc = cib_process_replace(op, options, section, req, input, existing_cib, result_cib, answer); if (rc == pcmk_ok && safe_str_eq(tag, XML_TAG_CIB)) { sync_in_progress = 0; } return rc; } static int delete_cib_object(xmlNode * parent, xmlNode * delete_spec) { const char *object_name = NULL; const char *object_id = NULL; xmlNode *equiv_node = NULL; int result = pcmk_ok; if (delete_spec != NULL) { object_name = crm_element_name(delete_spec); } object_id = crm_element_value(delete_spec, XML_ATTR_ID); crm_trace("Processing: <%s id=%s>", crm_str(object_name), crm_str(object_id)); if (delete_spec == NULL) { result = -EINVAL; } else if (parent == NULL) { result = -EINVAL; } else if (object_id == NULL) { /* placeholder object */ equiv_node = find_xml_node(parent, object_name, FALSE); } else { equiv_node = find_entity(parent, object_name, object_id); } if (result != pcmk_ok) { ; /* nothing */ } else if (equiv_node == NULL) { result = pcmk_ok; } else if (xml_has_children(delete_spec) == FALSE) { /* only leaves are deleted */ crm_debug("Removing leaf: <%s id=%s>", crm_str(object_name), crm_str(object_id)); free_xml(equiv_node); equiv_node = NULL; } else { xmlNode *child = NULL; for (child = __xml_first_child(delete_spec); child != NULL; child = __xml_next(child)) { int tmp_result = delete_cib_object(equiv_node, child); /* only the first error is likely to be interesting */ if (tmp_result != pcmk_ok && result == pcmk_ok) { result = tmp_result; } } } return result; } int cib_process_delete_absolute(const char *op, int options, const char *section, xmlNode * req, xmlNode * input, xmlNode * existing_cib, xmlNode ** result_cib, xmlNode ** answer) { xmlNode *failed = NULL; int result = pcmk_ok; xmlNode *update_section = NULL; crm_trace("Processing \"%s\" event for section=%s", op, crm_str(section)); if (safe_str_eq(XML_CIB_TAG_SECTION_ALL, section)) { section = NULL; } else if (safe_str_eq(XML_TAG_CIB, section)) { section = NULL; } else if (safe_str_eq(crm_element_name(input), XML_TAG_CIB)) { section = NULL; } CRM_CHECK(strcasecmp(CIB_OP_DELETE, op) == 0, return -EINVAL); if (input == NULL) { crm_err("Cannot perform modification with no data"); return -EINVAL; } failed = create_xml_node(NULL, XML_TAG_FAILED); update_section = get_object_root(section, *result_cib); result = delete_cib_object(update_section, input); update_results(failed, input, op, result); if (xml_has_children(failed)) { CRM_CHECK(result != pcmk_ok, result = -EINVAL); } if (result != pcmk_ok) { crm_log_xml_err(failed, "CIB Update failures"); *answer = failed; } else { free_xml(failed); } return result; } gboolean check_generation(xmlNode * newCib, xmlNode * oldCib) { if (cib_compare_generation(newCib, oldCib) >= 0) { return TRUE; } crm_warn("Generation from update is older than the existing one"); return FALSE; } #ifndef CIBPIPE int sync_our_cib(xmlNode * request, gboolean all) { int result = pcmk_ok; char *digest = NULL; const char *host = crm_element_value(request, F_ORIG); const char *op = crm_element_value(request, F_CIB_OPERATION); xmlNode *replace_request = cib_msg_copy(request, FALSE); CRM_CHECK(the_cib != NULL,;); CRM_CHECK(replace_request != NULL,;); crm_debug("Syncing CIB to %s", all ? "all peers" : host); if (all == FALSE && host == NULL) { crm_log_xml_err(request, "bad sync"); } /* remove the "all == FALSE" condition * * sync_from was failing, the local client wasnt being notified * because it didnt know it was a reply * setting this does not prevent the other nodes from applying it * if all == TRUE */ if (host != NULL) { crm_xml_add(replace_request, F_CIB_ISREPLY, host); } crm_xml_add(replace_request, F_CIB_OPERATION, CIB_OP_REPLACE); crm_xml_add(replace_request, "original_" F_CIB_OPERATION, op); crm_xml_add(replace_request, F_CIB_GLOBAL_UPDATE, XML_BOOLEAN_TRUE); crm_xml_add(replace_request, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET); digest = calculate_xml_versioned_digest(the_cib, FALSE, TRUE, CRM_FEATURE_SET); crm_xml_add(replace_request, XML_ATTR_DIGEST, digest); add_message_xml(replace_request, F_CIB_CALLDATA, the_cib); if (send_cluster_message (all ? NULL : crm_get_peer(0, host), crm_msg_cib, replace_request, FALSE) == FALSE) { result = -ENOTCONN; } free_xml(replace_request); free(digest); return result; } #endif pacemaker-master/cib/notify.c000066400000000000000000000252231217637305600165260ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int pending_updates = 0; struct cib_notification_s { xmlNode *msg; struct iovec *iov; }; void attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib); void do_cib_notify(int options, const char *op, xmlNode * update, int result, xmlNode * result_data, const char *msg_type); static void need_pre_notify(gpointer key, gpointer value, gpointer user_data) { crm_client_t *client = value; if (is_set(client->options, cib_notify_pre)) { gboolean *needed = user_data; *needed = TRUE; } } static void need_post_notify(gpointer key, gpointer value, gpointer user_data) { crm_client_t *client = value; if (is_set(client->options, cib_notify_post)) { gboolean *needed = user_data; *needed = TRUE; } } static gboolean cib_notify_send_one(gpointer key, gpointer value, gpointer user_data) { const char *type = NULL; gboolean do_send = FALSE; crm_client_t *client = value; struct cib_notification_s *update = user_data; CRM_CHECK(client != NULL, return TRUE); CRM_CHECK(update != NULL, return TRUE); if (client->ipcs == NULL && client->remote == NULL) { crm_warn("Skipping client with NULL channel"); return FALSE; } type = crm_element_value(update->msg, F_SUBTYPE); CRM_LOG_ASSERT(type != NULL); if (is_set(client->options, cib_notify_diff) && safe_str_eq(type, T_CIB_DIFF_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_replace) && safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_confirm) && safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_pre) && safe_str_eq(type, T_CIB_PRE_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_post) && safe_str_eq(type, T_CIB_POST_NOTIFY)) { do_send = TRUE; } if (do_send) { switch (client->kind) { case CRM_CLIENT_IPC: if (crm_ipcs_sendv(client, update->iov, crm_ipc_server_event) < 0) { crm_warn("Notification of client %s/%s failed", client->name, client->id); } break; #ifdef HAVE_GNUTLS_GNUTLS_H case CRM_CLIENT_TLS: #endif case CRM_CLIENT_TCP: crm_debug("Sent %s notification to client %s/%s", type, client->name, client->id); crm_remote_send(client->remote, update->msg); break; default: crm_err("Unknown transport %d for %s", client->kind, client->name); } } return FALSE; } static void cib_notify_send(xmlNode * xml) { struct iovec *iov; struct cib_notification_s update; ssize_t rc = crm_ipc_prepare(0, xml, &iov); crm_trace("Notifying clients"); if (rc > 0) { update.msg = xml; update.iov = iov; g_hash_table_foreach_remove(client_connections, cib_notify_send_one, &update); } else { crm_notice("Notification failed: %s (%d)", pcmk_strerror(rc), rc); } if (iov) { free(iov[0].iov_base); free(iov[1].iov_base); free(iov); } crm_trace("Notify complete"); } void cib_pre_notify(int options, const char *op, xmlNode * existing, xmlNode * update) { xmlNode *update_msg = NULL; const char *type = NULL; const char *id = NULL; gboolean needed = FALSE; g_hash_table_foreach(client_connections, need_pre_notify, &needed); if (needed == FALSE) { return; } /* TODO: consider pre-notification for removal */ update_msg = create_xml_node(NULL, "pre-notify"); if (update != NULL) { id = crm_element_value(update, XML_ATTR_ID); } crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, T_CIB_PRE_NOTIFY); crm_xml_add(update_msg, F_CIB_OPERATION, op); if (id != NULL) { crm_xml_add(update_msg, F_CIB_OBJID, id); } if (update != NULL) { crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update)); } else if (existing != NULL) { crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(existing)); } type = crm_element_value(update_msg, F_CIB_OBJTYPE); attach_cib_generation(update_msg, "cib_generation", the_cib); if (existing != NULL) { add_message_xml(update_msg, F_CIB_EXISTING, existing); } if (update != NULL) { add_message_xml(update_msg, F_CIB_UPDATE, update); } cib_notify_send(update_msg); if (update == NULL) { crm_trace("Performing operation %s (on section=%s)", op, type); } else { crm_trace("Performing %s on <%s%s%s>", op, type, id ? " id=" : "", id ? id : ""); } free_xml(update_msg); } void cib_post_notify(int options, const char *op, xmlNode * update, int result, xmlNode * new_obj) { gboolean needed = FALSE; g_hash_table_foreach(client_connections, need_post_notify, &needed); if (needed == FALSE) { return; } do_cib_notify(options, op, update, result, new_obj, T_CIB_UPDATE_CONFIRM); } void cib_diff_notify(int options, const char *client, const char *call_id, const char *op, xmlNode * update, int result, xmlNode * diff) { int add_updates = 0; int add_epoch = 0; int add_admin_epoch = 0; int del_updates = 0; int del_epoch = 0; int del_admin_epoch = 0; int log_level = LOG_DEBUG_2; if (diff == NULL) { return; } if (result != pcmk_ok) { log_level = LOG_WARNING; } cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates, &del_admin_epoch, &del_epoch, &del_updates); if (add_updates != del_updates) { do_crm_log(log_level, "Update (client: %s%s%s): %d.%d.%d -> %d.%d.%d (%s)", client, call_id ? ", call:" : "", call_id ? call_id : "", del_admin_epoch, del_epoch, del_updates, add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result)); } else if (diff != NULL) { do_crm_log(log_level, "Local-only Change (client:%s%s%s): %d.%d.%d (%s)", client, call_id ? ", call: " : "", call_id ? call_id : "", add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result)); } do_cib_notify(options, op, update, result, diff, T_CIB_DIFF_NOTIFY); } void do_cib_notify(int options, const char *op, xmlNode * update, int result, xmlNode * result_data, const char *msg_type) { xmlNode *update_msg = NULL; const char *id = NULL; update_msg = create_xml_node(NULL, "notify"); if (result_data != NULL) { id = crm_element_value(result_data, XML_ATTR_ID); } crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, msg_type); crm_xml_add(update_msg, F_CIB_OPERATION, op); crm_xml_add_int(update_msg, F_CIB_RC, result); if (id != NULL) { crm_xml_add(update_msg, F_CIB_OBJID, id); } if (update != NULL) { crm_trace("Setting type to update->name: %s", crm_element_name(update)); crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update)); } else if (result_data != NULL) { crm_trace("Setting type to new_obj->name: %s", crm_element_name(result_data)); crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(result_data)); } else { crm_trace("Not Setting type"); } attach_cib_generation(update_msg, "cib_generation", the_cib); if (update != NULL) { add_message_xml(update_msg, F_CIB_UPDATE, update); } if (result_data != NULL) { add_message_xml(update_msg, F_CIB_UPDATE_RESULT, result_data); } cib_notify_send(update_msg); free_xml(update_msg); } void attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib) { xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE); if (a_cib != NULL) { copy_in_properties(generation, a_cib); } add_message_xml(msg, field, generation); free_xml(generation); } void cib_replace_notify(const char *origin, xmlNode * update, int result, xmlNode * diff) { xmlNode *replace_msg = NULL; int add_updates = 0; int add_epoch = 0; int add_admin_epoch = 0; int del_updates = 0; int del_epoch = 0; int del_admin_epoch = 0; if (diff == NULL) { return; } cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates, &del_admin_epoch, &del_epoch, &del_updates); if (del_updates < 0) { crm_log_xml_debug(diff, "Bad replace diff"); } if (add_updates != del_updates) { crm_info("Replaced: %d.%d.%d -> %d.%d.%d from %s", del_admin_epoch, del_epoch, del_updates, add_admin_epoch, add_epoch, add_updates, crm_str(origin)); } else if (diff != NULL) { crm_info("Local-only Replace: %d.%d.%d from %s", add_admin_epoch, add_epoch, add_updates, crm_str(origin)); } replace_msg = create_xml_node(NULL, "notify-replace"); crm_xml_add(replace_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(replace_msg, F_SUBTYPE, T_CIB_REPLACE_NOTIFY); crm_xml_add(replace_msg, F_CIB_OPERATION, CIB_OP_REPLACE); crm_xml_add_int(replace_msg, F_CIB_RC, result); attach_cib_generation(replace_msg, "cib-replace-generation", update); crm_log_xml_trace(replace_msg, "CIB Replaced"); cib_notify_send(replace_msg); free_xml(replace_msg); } pacemaker-master/cib/notify.h000066400000000000000000000026361217637305600165360ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include extern FILE *msg_cib_strm; extern void cib_pre_notify(int options, const char *op, xmlNode * existing, xmlNode * update); extern void cib_post_notify(int options, const char *op, xmlNode * update, int result, xmlNode * new_obj); extern void cib_diff_notify(int options, const char *client, const char *call_id, const char *op, xmlNode * update, int result, xmlNode * old_cib); extern void cib_replace_notify(const char *origin, xmlNode * update, int result, xmlNode * diff); pacemaker-master/cib/remote.c000066400000000000000000000453651217637305600165220ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "callbacks.h" /* #undef HAVE_PAM_PAM_APPL_H */ /* #undef HAVE_GNUTLS_GNUTLS_H */ #ifdef HAVE_GNUTLS_GNUTLS_H # undef KEYFILE # include #endif #include #include #if HAVE_SECURITY_PAM_APPL_H # include # define HAVE_PAM 1 #else # if HAVE_PAM_PAM_APPL_H # include # define HAVE_PAM 1 # endif #endif extern int remote_tls_fd; extern gboolean cib_shutdown_flag; int init_remote_listener(int port, gboolean encrypted); void cib_remote_connection_destroy(gpointer user_data); #ifdef HAVE_GNUTLS_GNUTLS_H # define DH_BITS 1024 gnutls_dh_params_t dh_params; gnutls_anon_server_credentials_t anon_cred_s; static void debug_log(int level, const char *str) { fputs(str, stderr); } #endif #define REMOTE_AUTH_TIMEOUT 10000 int num_clients; int authenticate_user(const char *user, const char *passwd); int cib_remote_listen(gpointer data); int cib_remote_msg(gpointer data); static void remote_connection_destroy(gpointer user_data) { return; } #define ERROR_SUFFIX " Shutting down remote listener" int init_remote_listener(int port, gboolean encrypted) { int rc; int *ssock = NULL; struct sockaddr_in saddr; int optval; static struct mainloop_fd_callbacks remote_listen_fd_callbacks = { .dispatch = cib_remote_listen, .destroy = remote_connection_destroy, }; if (port <= 0) { /* dont start it */ return 0; } if (encrypted) { #ifndef HAVE_GNUTLS_GNUTLS_H crm_warn("TLS support is not available"); return 0; #else crm_notice("Starting a tls listener on port %d.", port); gnutls_global_init(); /* gnutls_global_set_log_level (10); */ gnutls_global_set_log_function(debug_log); gnutls_dh_params_init(&dh_params); gnutls_dh_params_generate2(dh_params, DH_BITS); gnutls_anon_allocate_server_credentials(&anon_cred_s); gnutls_anon_set_server_dh_params(anon_cred_s, dh_params); #endif } else { crm_warn("Starting a plain_text listener on port %d.", port); } #ifndef HAVE_PAM crm_warn("PAM is _not_ enabled!"); #endif /* create server socket */ ssock = malloc(sizeof(int)); if(ssock == NULL) { crm_perror(LOG_ERR, "Can not create server socket." ERROR_SUFFIX); return -1; } *ssock = socket(AF_INET, SOCK_STREAM, 0); if (*ssock == -1) { crm_perror(LOG_ERR, "Can not create server socket." ERROR_SUFFIX); free(ssock); return -1; } /* reuse address */ optval = 1; rc = setsockopt(*ssock, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)); if (rc < 0) { crm_perror(LOG_INFO, "Couldn't allow the reuse of local addresses by our remote listener"); } /* bind server socket */ memset(&saddr, '\0', sizeof(saddr)); saddr.sin_family = AF_INET; saddr.sin_addr.s_addr = INADDR_ANY; saddr.sin_port = htons(port); if (bind(*ssock, (struct sockaddr *)&saddr, sizeof(saddr)) == -1) { crm_perror(LOG_ERR, "Can not bind server socket." ERROR_SUFFIX); close(*ssock); free(ssock); return -2; } if (listen(*ssock, 10) == -1) { crm_perror(LOG_ERR, "Can not start listen." ERROR_SUFFIX); close(*ssock); free(ssock); return -3; } mainloop_add_fd("cib-remote", G_PRIORITY_DEFAULT, *ssock, ssock, &remote_listen_fd_callbacks); return *ssock; } static int check_group_membership(const char *usr, const char *grp) { int index = 0; struct passwd *pwd = NULL; struct group *group = NULL; CRM_CHECK(usr != NULL, return FALSE); CRM_CHECK(grp != NULL, return FALSE); pwd = getpwnam(usr); if (pwd == NULL) { crm_err("No user named '%s' exists!", usr); return FALSE; } group = getgrgid(pwd->pw_gid); if (group != NULL && crm_str_eq(grp, group->gr_name, TRUE)) { return TRUE; } group = getgrnam(grp); if (group == NULL) { crm_err("No group named '%s' exists!", grp); return FALSE; } while (TRUE) { char *member = group->gr_mem[index++]; if (member == NULL) { break; } else if (crm_str_eq(usr, member, TRUE)) { return TRUE; } }; return FALSE; } static gboolean cib_remote_auth(xmlNode * login) { const char *user = NULL; const char *pass = NULL; const char *tmp = NULL; crm_log_xml_info(login, "Login: "); if (login == NULL) { return FALSE; } tmp = crm_element_name(login); if (safe_str_neq(tmp, "cib_command")) { crm_err("Wrong tag: %s", tmp); return FALSE; } tmp = crm_element_value(login, "op"); if (safe_str_neq(tmp, "authenticate")) { crm_err("Wrong operation: %s", tmp); return FALSE; } user = crm_element_value(login, "user"); pass = crm_element_value(login, "password"); if (!user || !pass) { crm_err("missing auth credentials"); return FALSE; } /* Non-root daemons can only validate the password of the * user they're running as */ if (check_group_membership(user, CRM_DAEMON_GROUP) == FALSE) { crm_err("User is not a member of the required group"); return FALSE; } else if (authenticate_user(user, pass) == FALSE) { crm_err("PAM auth failed"); return FALSE; } return TRUE; } static gboolean remote_auth_timeout_cb(gpointer data) { crm_client_t *client = data; client->remote->auth_timeout = 0; if (client->remote->authenticated == TRUE) { return FALSE; } mainloop_del_fd(client->remote->source); crm_err("Remote client authentication timed out"); return FALSE; } int cib_remote_listen(gpointer data) { int csock = 0; unsigned laddr; struct sockaddr_in addr; int ssock = *(int *)data; int flag; crm_client_t *new_client = NULL; static struct mainloop_fd_callbacks remote_client_fd_callbacks = { .dispatch = cib_remote_msg, .destroy = cib_remote_connection_destroy, }; /* accept the connection */ laddr = sizeof(addr); csock = accept(ssock, (struct sockaddr *)&addr, &laddr); crm_debug("New %s connection from %s", ssock == remote_tls_fd ? "secure" : "clear-text", inet_ntoa(addr.sin_addr)); if (csock == -1) { crm_err("accept socket failed"); return TRUE; } if ((flag = fcntl(csock, F_GETFL)) >= 0) { if (fcntl(csock, F_SETFL, flag | O_NONBLOCK) < 0) { crm_err("fcntl() write failed"); close(csock); return TRUE; } } else { crm_err("fcntl() read failed"); close(csock); return TRUE; } num_clients++; crm_client_init(); new_client = calloc(1, sizeof(crm_client_t)); new_client->remote = calloc(1, sizeof(crm_remote_t)); new_client->id = crm_generate_uuid(); g_hash_table_insert(client_connections, new_client->id /* Should work */ , new_client); if (ssock == remote_tls_fd) { #ifdef HAVE_GNUTLS_GNUTLS_H new_client->kind = CRM_CLIENT_TLS; /* create gnutls session for the server socket */ new_client->remote->tls_session = crm_create_anon_tls_session(csock, GNUTLS_SERVER, anon_cred_s); if (new_client->remote->tls_session == NULL) { crm_err("TLS session creation failed"); close(csock); return TRUE; } #endif } else { new_client->kind = CRM_CLIENT_TCP; new_client->remote->tcp_socket = csock; } /* clients have a few seconds to perform handshake. */ new_client->remote->auth_timeout = g_timeout_add(REMOTE_AUTH_TIMEOUT, remote_auth_timeout_cb, new_client); new_client->remote->source = mainloop_add_fd("cib-remote-client", G_PRIORITY_DEFAULT, csock, new_client, &remote_client_fd_callbacks); return TRUE; } void cib_remote_connection_destroy(gpointer user_data) { crm_client_t *client = user_data; int csock = 0; if (client == NULL) { return; } crm_trace("Cleaning up after client disconnect: %s/%s", crm_str(client->name), client->id); num_clients--; crm_trace("Num unfree'd clients: %d", num_clients); switch (client->kind) { case CRM_CLIENT_TCP: csock = client->remote->tcp_socket; break; #ifdef HAVE_GNUTLS_GNUTLS_H case CRM_CLIENT_TLS: if (client->remote->tls_session) { void *sock_ptr = gnutls_transport_get_ptr(*client->remote->tls_session); csock = GPOINTER_TO_INT(sock_ptr); if (client->remote->tls_handshake_complete) { gnutls_bye(*client->remote->tls_session, GNUTLS_SHUT_WR); } gnutls_deinit(*client->remote->tls_session); gnutls_free(client->remote->tls_session); client->remote->tls_session = NULL; } break; #endif default: crm_warn("Unexpected client type %d", client->kind); } if (csock > 0) { close(csock); } crm_client_destroy(client); crm_trace("Freed the cib client"); if (cib_shutdown_flag) { cib_shutdown(0); } return; } static void cib_handle_remote_msg(crm_client_t * client, xmlNode * command) { const char *value = NULL; value = crm_element_name(command); if (safe_str_neq(value, "cib_command")) { crm_log_xml_trace(command, "Bad command: "); return; } if (client->name == NULL) { value = crm_element_value(command, F_CLIENTNAME); if (value == NULL) { client->name = strdup(client->id); } else { client->name = strdup(value); } } if (client->userdata == NULL) { value = crm_element_value(command, F_CIB_CALLBACK_TOKEN); if (value != NULL) { client->userdata = strdup(value); crm_trace("Callback channel for %s is %s", client->id, client->userdata); } else { client->userdata = strdup(client->id); } } /* unset dangerous options */ xml_remove_prop(command, F_ORIG); xml_remove_prop(command, F_CIB_HOST); xml_remove_prop(command, F_CIB_GLOBAL_UPDATE); crm_xml_add(command, F_TYPE, T_CIB); crm_xml_add(command, F_CIB_CLIENTID, client->id); crm_xml_add(command, F_CIB_CLIENTNAME, client->name); #if ENABLE_ACL crm_xml_add(command, F_CIB_USER, client->user); #endif if (crm_element_value(command, F_CIB_CALLID) == NULL) { char *call_uuid = crm_generate_uuid(); /* fix the command */ crm_xml_add(command, F_CIB_CALLID, call_uuid); free(call_uuid); } if (crm_element_value(command, F_CIB_CALLOPTS) == NULL) { crm_xml_add_int(command, F_CIB_CALLOPTS, 0); } crm_log_xml_trace(command, "Remote command: "); cib_common_callback_worker(0, 0, command, client, TRUE); } int cib_remote_msg(gpointer data) { xmlNode *command = NULL; crm_client_t *client = data; int disconnected = 0; int timeout = client->remote->authenticated ? -1 : 1000; crm_trace("%s callback", client->kind != CRM_CLIENT_TCP ? "secure" : "clear-text"); #ifdef HAVE_GNUTLS_GNUTLS_H if (client->kind == CRM_CLIENT_TLS && (client->remote->tls_handshake_complete == FALSE)) { int rc = 0; /* Muliple calls to handshake will be required, this callback * will be invoked once the client sends more handshake data. */ do { rc = gnutls_handshake(*client->remote->tls_session); if (rc < 0 && rc != GNUTLS_E_AGAIN) { crm_err("Remote cib tls handshake failed"); return -1; } } while (rc == GNUTLS_E_INTERRUPTED); if (rc == 0) { crm_debug("Remote cib tls handshake completed"); client->remote->tls_handshake_complete = TRUE; if (client->remote->auth_timeout) { g_source_remove(client->remote->auth_timeout); } /* after handshake, clients must send auth in a few seconds */ client->remote->auth_timeout = g_timeout_add(REMOTE_AUTH_TIMEOUT, remote_auth_timeout_cb, client); } return 0; } #endif crm_remote_recv(client->remote, timeout, &disconnected); /* must pass auth before we will process anything else */ if (client->remote->authenticated == FALSE) { xmlNode *reg; #if ENABLE_ACL const char *user = NULL; #endif command = crm_remote_parse_buffer(client->remote); if (cib_remote_auth(command) == FALSE) { free_xml(command); return -1; } crm_debug("remote connection authenticated successfully"); client->remote->authenticated = TRUE; g_source_remove(client->remote->auth_timeout); client->remote->auth_timeout = 0; client->name = crm_element_value_copy(command, "name"); #if ENABLE_ACL user = crm_element_value(command, "user"); if (user) { client->user = strdup(user); } #endif /* send ACK */ reg = create_xml_node(NULL, "cib_result"); crm_xml_add(reg, F_CIB_OPERATION, CRM_OP_REGISTER); crm_xml_add(reg, F_CIB_CLIENTID, client->id); crm_remote_send(client->remote, reg); free_xml(reg); free_xml(command); } command = crm_remote_parse_buffer(client->remote); while (command) { crm_trace("command received"); cib_handle_remote_msg(client, command); free_xml(command); command = crm_remote_parse_buffer(client->remote); } if (disconnected) { crm_trace("disconnected while receiving remote cib msg."); return -1; } return 0; } #ifdef HAVE_PAM /* * Useful Examples: * http://www.kernel.org/pub/linux/libs/pam/Linux-PAM-html * http://developer.apple.com/samplecode/CryptNoMore/index.html */ static int construct_pam_passwd(int num_msg, const struct pam_message **msg, struct pam_response **response, void *data) { int count = 0; struct pam_response *reply; char *string = (char *)data; CRM_CHECK(data, return PAM_CONV_ERR); CRM_CHECK(num_msg == 1, return PAM_CONV_ERR); /* We only want to handle one message */ reply = calloc(1, sizeof(struct pam_response)); CRM_ASSERT(reply != NULL); for (count = 0; count < num_msg; ++count) { switch (msg[count]->msg_style) { case PAM_TEXT_INFO: crm_info("PAM: %s\n", msg[count]->msg); break; case PAM_PROMPT_ECHO_OFF: case PAM_PROMPT_ECHO_ON: reply[count].resp_retcode = 0; reply[count].resp = string; /* We already made a copy */ case PAM_ERROR_MSG: /* In theory we'd want to print this, but then * we see the password prompt in the logs */ /* crm_err("PAM error: %s\n", msg[count]->msg); */ break; default: crm_err("Unhandled conversation type: %d", msg[count]->msg_style); goto bail; } } *response = reply; reply = NULL; return PAM_SUCCESS; bail: for (count = 0; count < num_msg; ++count) { if (reply[count].resp != NULL) { switch (msg[count]->msg_style) { case PAM_PROMPT_ECHO_ON: case PAM_PROMPT_ECHO_OFF: /* Erase the data - it contained a password */ while (*(reply[count].resp)) { *(reply[count].resp)++ = '\0'; } free(reply[count].resp); break; } reply[count].resp = NULL; } } free(reply); reply = NULL; return PAM_CONV_ERR; } #endif int authenticate_user(const char *user, const char *passwd) { #ifndef HAVE_PAM gboolean pass = TRUE; #else int rc = 0; gboolean pass = FALSE; const void *p_user = NULL; struct pam_conv p_conv; struct pam_handle *pam_h = NULL; static const char *pam_name = NULL; if (pam_name == NULL) { pam_name = getenv("CIB_pam_service"); } if (pam_name == NULL) { pam_name = "login"; } p_conv.conv = construct_pam_passwd; p_conv.appdata_ptr = strdup(passwd); rc = pam_start(pam_name, user, &p_conv, &pam_h); if (rc != PAM_SUCCESS) { crm_err("Could not initialize PAM: %s (%d)", pam_strerror(pam_h, rc), rc); goto bail; } rc = pam_authenticate(pam_h, 0); if (rc != PAM_SUCCESS) { crm_err("Authentication failed for %s: %s (%d)", user, pam_strerror(pam_h, rc), rc); goto bail; } /* Make sure we authenticated the user we wanted to authenticate. * Since we also run as non-root, it might be worth pre-checking * the user has the same EID as us, since that the only user we * can authenticate. */ rc = pam_get_item(pam_h, PAM_USER, &p_user); if (rc != PAM_SUCCESS) { crm_err("Internal PAM error: %s (%d)", pam_strerror(pam_h, rc), rc); goto bail; } else if (p_user == NULL) { crm_err("Unknown user authenticated."); goto bail; } else if (safe_str_neq(p_user, user)) { crm_err("User mismatch: %s vs. %s.", (const char *)p_user, (const char *)user); goto bail; } rc = pam_acct_mgmt(pam_h, 0); if (rc != PAM_SUCCESS) { crm_err("Access denied: %s (%d)", pam_strerror(pam_h, rc), rc); goto bail; } pass = TRUE; bail: rc = pam_end(pam_h, rc); #endif return pass; } pacemaker-master/configure.ac000066400000000000000000001605641217637305600166130ustar00rootroot00000000000000dnl dnl autoconf for Pacemaker dnl dnl License: GNU General Public License (GPL) dnl =============================================== dnl Bootstrap dnl =============================================== AC_PREREQ(2.59) dnl Suggested structure: dnl information on the package dnl checks for programs dnl checks for libraries dnl checks for header files dnl checks for types dnl checks for structures dnl checks for compiler characteristics dnl checks for library functions dnl checks for system services AC_INIT(pacemaker, 1.1.10, pacemaker@oss.clusterlabs.org,,http://clusterlabs.org) CRM_DTD_VERSION="1.2" PCMK_FEATURES="" HB_PKG=heartbeat AC_CONFIG_AUX_DIR(.) AC_CANONICAL_HOST dnl Where #defines go (e.g. `AC_CHECK_HEADERS' below) dnl dnl Internal header: include/config.h dnl - Contains ALL defines dnl - include/config.h.in is generated automatically by autoheader dnl - NOT to be included in any header files except lha_internal.h dnl (which is also not to be included in any other header files) dnl dnl External header: include/crm_config.h dnl - Contains a subset of defines checked here dnl - Manually edit include/crm_config.h.in to have configure include dnl new defines dnl - Should not include HAVE_* defines dnl - Safe to include anywhere AM_CONFIG_HEADER(include/config.h include/crm_config.h) ALL_LINGUAS="en fr" AC_ARG_WITH(version, [ --with-version=version Override package version (if you're a packager needing to pretend) ], [ PACKAGE_VERSION="$withval" ]) AC_ARG_WITH(pkg-name, [ --with-pkg-name=name Override package name (if you're a packager needing to pretend) ], [ PACKAGE_NAME="$withval" ]) AM_INIT_AUTOMAKE($PACKAGE_NAME, $PACKAGE_VERSION) AC_DEFINE_UNQUOTED(PACEMAKER_VERSION, "$PACKAGE_VERSION", Current pacemaker version) PACKAGE_SERIES=`echo $PACKAGE_VERSION | awk -F. '{ print $1"."$2 }'` AC_SUBST(PACKAGE_SERIES) AC_SUBST(PACKAGE_VERSION) dnl automake >= 1.11 offers --enable-silent-rules for suppressing the output from dnl normal compilation. When a failure occurs, it will then display the full dnl command line dnl Wrap in m4_ifdef to avoid breaking on older platforms m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])]) dnl Example 2.4. Silent Custom Rule to Generate a File dnl %-bar.pc: %.pc dnl $(AM_V_GEN)$(LN_S) $(notdir $^) $@ CC_IN_CONFIGURE=yes export CC_IN_CONFIGURE LDD=ldd dnl ======================================================================== dnl Compiler characteristics dnl ======================================================================== AC_PROG_CC dnl Can force other with environment variable "CC". AM_PROG_CC_C_O AC_PROG_CC_STDC gl_EARLY gl_INIT AC_LIBTOOL_DLOPEN dnl Enable dlopen support... AC_LIBLTDL_CONVENIENCE dnl make libltdl a convenience lib AC_PROG_LIBTOOL AC_PROG_YACC AM_PROG_LEX AC_C_STRINGIZE AC_TYPE_SIZE_T AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_STRUCT_TIMEZONE dnl =============================================== dnl Helpers dnl =============================================== cc_supports_flag() { local CFLAGS="$@" AC_MSG_CHECKING(whether $CC supports "$@") AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ ]])], [RC=0; AC_MSG_RESULT(yes)],[RC=1; AC_MSG_RESULT(no)]) return $RC } try_extract_header_define() { AC_MSG_CHECKING(if $2 in $1 exists) Cfile=$srcdir/extract_define.$2.${$} printf "#include \n" > ${Cfile}.c printf "#include <%s>\n" $1 >> ${Cfile}.c printf "int main(int argc, char **argv) {\n" >> ${Cfile}.c printf "#ifdef %s\n" $2 >> ${Cfile}.c printf "printf(\"%%s\", %s);\n" $2 >> ${Cfile}.c printf "#endif \n return 0; }\n" >> ${Cfile}.c $CC $CFLAGS ${Cfile}.c -o ${Cfile} 2>/dev/null value= if test -x ${Cfile}; then value=`${Cfile} 2>/dev/null` fi if test x"${value}" == x""; then value=$3 AC_MSG_RESULT(default: $value) else AC_MSG_RESULT($value) fi printf $value rm -rf ${Cfile}.c ${Cfile} ${Cfile}.dSYM ${Cfile}.gcno } extract_header_define() { AC_MSG_CHECKING(for $2 in $1) Cfile=$srcdir/extract_define.$2.${$} printf "#include \n" > ${Cfile}.c printf "#include <%s>\n" $1 >> ${Cfile}.c printf "int main(int argc, char **argv) { printf(\"%%s\", %s); return 0; }\n" $2 >> ${Cfile}.c $CC $CFLAGS ${Cfile}.c -o ${Cfile} value=`${Cfile}` AC_MSG_RESULT($value) printf $value rm -rf ${Cfile}.c ${Cfile} ${Cfile}.dSYM ${Cfile}.gcno } dnl =============================================== dnl Configure Options dnl =============================================== dnl Some systems, like Solaris require a custom package name AC_ARG_WITH(pkgname, [ --with-pkgname=name name for pkg (typically for Solaris) ], [ PKGNAME="$withval" ], [ PKGNAME="LXHAhb" ], ) AC_SUBST(PKGNAME) AC_ARG_ENABLE([ansi], [ --enable-ansi force GCC to compile to ANSI/ANSI standard for older compilers. [default=no]]) AC_ARG_ENABLE([fatal-warnings], [ --enable-fatal-warnings very pedantic and fatal warnings for gcc [default=yes]]) AC_ARG_ENABLE([quiet], [ --enable-quiet Supress make output unless there is an error [default=no]]) AC_ARG_ENABLE([thread-safe], [ --enable-thread-safe Enable some client libraries to be thread safe. [default=no]]) AC_ARG_ENABLE([bundled-ltdl], [ --enable-bundled-ltdl Configure, build and install the standalone ltdl library bundled with ${PACKAGE} [default=no]]) LTDL_LIBS="" AC_ARG_ENABLE([no-stack], [ --enable-no-stack Only build the Policy Engine and pieces needed to support it [default=no]]) AC_ARG_ENABLE([upstart], [ --enable-upstart Do not build support for the Upstart init system [default=yes]]) AC_ARG_ENABLE([systemd], [ --enable-systemd Do not build support for the Systemd init system [default=yes]]) AC_ARG_WITH(ais, [ --with-ais Support the Corosync messaging and membership layer ], [ SUPPORT_CS=$withval ], [ SUPPORT_CS=try ], ) AC_ARG_WITH(corosync, [ --with-corosync Support the Corosync messaging and membership layer ], [ SUPPORT_CS=$withval ] dnl initialized in AC_ARG_WITH(ais...) already, dnl don't reset to try if it was given as --without-ais ) AC_ARG_WITH(heartbeat, [ --with-heartbeat Support the Heartbeat messaging and membership layer ], [ SUPPORT_HEARTBEAT=$withval ], [ SUPPORT_HEARTBEAT=try ], ) AC_ARG_WITH(cman, [ --with-cman Support the consumption of membership and quorum from cman ], [ SUPPORT_CMAN=$withval ], [ SUPPORT_CMAN=try ], ) AC_ARG_WITH(cpg, [ --with-cs-quorum Support the consumption of membership and quorum from corosync ], [ SUPPORT_CS_QUORUM=$withval ], [ SUPPORT_CS_QUORUM=try ], ) AC_ARG_WITH(nagios, [ --with-nagios Support nagios remote monitoring ], [ SUPPORT_NAGIOS=$withval ], [ SUPPORT_NAGIOS=try ], ) AC_ARG_WITH(nagios-plugin-dir, [ --with-nagios-plugin-dir=DIR Directory for nagios plugins [${NAGIOS_PLUGIN_DIR}]], [ NAGIOS_PLUGIN_DIR="$withval" ] ) AC_ARG_WITH(nagios-metadata-dir, [ --with-nagios-metadata-dir=DIR Directory for nagios plugins metadata [${NAGIOS_METADATA_DIR}]], [ NAGIOS_METADATA_DIR="$withval" ] ) AC_ARG_WITH(snmp, [ --with-snmp Support the SNMP protocol ], [ SUPPORT_SNMP=$withval ], [ SUPPORT_SNMP=try ], ) AC_ARG_WITH(esmtp, [ --with-esmtp Support the sending mail notifications with the esmtp library ], [ SUPPORT_ESMTP=$withval ], [ SUPPORT_ESMTP=try ], ) AC_ARG_WITH(acl, [ --with-acl Support CIB ACL ], [ SUPPORT_ACL=$withval ], [ SUPPORT_ACL=no ], ) AC_ARG_WITH(cibsecrets, [ --with-cibsecrets Support CIB secrets ], [ SUPPORT_CIBSECRETS=$withval ], [ SUPPORT_CIBSECRETS=no ], ) CSPREFIX="" AC_ARG_WITH(ais-prefix, [ --with-ais-prefix=DIR Prefix used when Corosync was installed [$prefix]], [ CSPREFIX=$withval ], [ CSPREFIX=$prefix ]) LCRSODIR="" AC_ARG_WITH(lcrso-dir, [ --with-lcrso-dir=DIR Corosync lcrso files. ], [ LCRSODIR="$withval" ]) INITDIR="" AC_ARG_WITH(initdir, [ --with-initdir=DIR directory for init (rc) scripts [${INITDIR}]], [ INITDIR="$withval" ]) SUPPORT_PROFILING=0 AC_ARG_WITH(profiling, [ --with-profiling Disable optimizations for effective profiling ], [ SUPPORT_PROFILING=$withval ]) AC_ARG_WITH(coverage, [ --with-coverage Disable optimizations for effective profiling ], [ SUPPORT_COVERAGE=$withval ]) PUBLICAN_BRAND="common" AC_ARG_WITH(brand, [ --with-brand=brand Brand to use for generated documentation [$PUBLICAN_BRAND]], [ PUBLICAN_BRAND="$withval" ]) AC_SUBST(PUBLICAN_BRAND) ASCIIDOC_CLI_TYPE="pcs" AC_ARG_WITH(doc-cli, [ --with-doc-cli=cli_type CLI type to use for generated documentation. [$ASCIIDOC_CLI_TYPE]], [ ASCIIDOC_CLI_TYPE="$withval" ]) AC_SUBST(ASCIIDOC_CLI_TYPE) dnl =============================================== dnl General Processing dnl =============================================== AC_SUBST(HB_PKG) INIT_EXT="" echo Our Host OS: $host_os/$host AC_MSG_NOTICE(Sanitizing prefix: ${prefix}) case $prefix in NONE) prefix=/usr dnl Fix default variables - "prefix" variable if not specified if test "$localstatedir" = "\${prefix}/var"; then localstatedir="/var" fi if test "$sysconfdir" = "\${prefix}/etc"; then sysconfdir="/etc" fi ;; esac AC_MSG_NOTICE(Sanitizing exec_prefix: ${exec_prefix}) case $exec_prefix in dnl For consistency with Heartbeat, map NONE->$prefix NONE) exec_prefix=$prefix;; prefix) exec_prefix=$prefix;; esac AC_MSG_NOTICE(Sanitizing ais_prefix: ${CSPREFIX}) case $CSPREFIX in dnl For consistency with Heartbeat, map NONE->$prefix NONE) CSPREFIX=$prefix;; prefix) CSPREFIX=$prefix;; esac AC_MSG_NOTICE(Sanitizing INITDIR: ${INITDIR}) case $INITDIR in prefix) INITDIR=$prefix;; "") AC_MSG_CHECKING(which init (rc) directory to use) for initdir in /etc/init.d /etc/rc.d/init.d /sbin/init.d \ /usr/local/etc/rc.d /etc/rc.d do if test -d $initdir then INITDIR=$initdir break fi done AC_MSG_RESULT($INITDIR);; esac AC_SUBST(INITDIR) AC_MSG_NOTICE(Sanitizing libdir: ${libdir}) case $libdir in dnl For consistency with Heartbeat, map NONE->$prefix *prefix*|NONE) AC_MSG_CHECKING(which lib directory to use) for aDir in lib64 lib do trydir="${exec_prefix}/${aDir}" if test -d ${trydir} then libdir=${trydir} break fi done AC_MSG_RESULT($libdir); ;; esac dnl Expand autoconf variables so that we dont end up with '${prefix}' dnl in #defines and python scripts dnl NOTE: Autoconf deliberately leaves them unexpanded to allow dnl make exec_prefix=/foo install dnl No longer being able to do this seems like no great loss to me... eval prefix="`eval echo ${prefix}`" eval exec_prefix="`eval echo ${exec_prefix}`" eval bindir="`eval echo ${bindir}`" eval sbindir="`eval echo ${sbindir}`" eval libexecdir="`eval echo ${libexecdir}`" eval datadir="`eval echo ${datadir}`" eval sysconfdir="`eval echo ${sysconfdir}`" eval sharedstatedir="`eval echo ${sharedstatedir}`" eval localstatedir="`eval echo ${localstatedir}`" eval libdir="`eval echo ${libdir}`" eval includedir="`eval echo ${includedir}`" eval oldincludedir="`eval echo ${oldincludedir}`" eval infodir="`eval echo ${infodir}`" eval mandir="`eval echo ${mandir}`" dnl Home-grown variables eval INITDIR="${INITDIR}" eval docdir="`eval echo ${docdir}`" if test x"${docdir}" = x""; then docdir=${datadir}/doc/${PACKAGE}-${VERSION} #docdir=${datadir}/doc/packages/${PACKAGE} fi AC_SUBST(docdir) for j in prefix exec_prefix bindir sbindir libexecdir datadir sysconfdir \ sharedstatedir localstatedir libdir includedir oldincludedir infodir \ mandir INITDIR docdir do dirname=`eval echo '${'${j}'}'` if test ! -d "$dirname" then AC_MSG_WARN([$j directory ($dirname) does not exist!]) fi done dnl This OS-based decision-making is poor autotools practice; dnl feature-based mechanisms are strongly preferred. dnl dnl So keep this section to a bare minimum; regard as a "necessary evil". case "$host_os" in *bsd*) LIBS="-L/usr/local/lib" CPPFLAGS="$CPPFLAGS -I/usr/local/include" INIT_EXT=".sh" ;; *solaris*) ;; *linux*) AC_DEFINE_UNQUOTED(ON_LINUX, 1, Compiling for Linux platform) CFLAGS="$CFLAGS -I${prefix}/include" ;; darwin*) AC_DEFINE_UNQUOTED(ON_DARWIN, 1, Compiling for Darwin platform) LIBS="$LIBS -L${prefix}/lib" CFLAGS="$CFLAGS -I${prefix}/include" ;; esac dnl Eventually remove this CFLAGS="$CFLAGS -I${prefix}/include/heartbeat" AC_SUBST(INIT_EXT) AC_MSG_NOTICE(Host CPU: $host_cpu) case "$host_cpu" in ppc64|powerpc64) case $CFLAGS in *powerpc64*) ;; *) if test "$GCC" = yes; then CFLAGS="$CFLAGS -m64" fi ;; esac esac AC_MSG_CHECKING(which format is needed to print uint64_t) ac_save_CFLAGS=$CFLAGS CFLAGS="-Wall -Werror" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [ #include #include #include ], [ int max = 512; uint64_t bignum = 42; char *buffer = malloc(max); const char *random = "random"; snprintf(buffer, max-1, "", bignum, random); fprintf(stderr, "Result: %s\n", buffer); ] )], [U64T="%lu"], [U64T="%llu"] ) CFLAGS=$ac_save_CFLAGS AC_MSG_RESULT($U64T) AC_DEFINE_UNQUOTED(U64T, "$U64T", Correct printf format for logging uint64_t) dnl =============================================== dnl Program Paths dnl =============================================== PATH="$PATH:/sbin:/usr/sbin:/usr/local/sbin:/usr/local/bin" export PATH dnl Replacing AC_PROG_LIBTOOL with AC_CHECK_PROG because LIBTOOL dnl was NOT being expanded all the time thus causing things to fail. AC_CHECK_PROGS(LIBTOOL, glibtool libtool libtool15 libtool13) AM_PATH_PYTHON AC_CHECK_PROGS(MAKE, gmake make) AC_PATH_PROGS(HTML2TXT, lynx w3m) AC_PATH_PROGS(HELP2MAN, help2man) AC_PATH_PROGS(POD2MAN, pod2man, pod2man) AC_PATH_PROGS(ASCIIDOC, asciidoc) AC_PATH_PROGS(PUBLICAN, publican) AC_PATH_PROGS(INKSCAPE, inkscape) AC_PATH_PROGS(XSLTPROC, xsltproc) AC_PATH_PROGS(FOP, fop) AC_PATH_PROGS(SSH, ssh, /usr/bin/ssh) AC_PATH_PROGS(SCP, scp, /usr/bin/scp) AC_PATH_PROGS(TAR, tar) AC_PATH_PROGS(MD5, md5) AC_PATH_PROGS(TEST, test) AC_PATH_PROGS(PKGCONFIG, pkg-config) AC_PATH_PROGS(XML2CONFIG, xml2-config) AC_PATH_PROGS(VALGRIND_BIN, valgrind, /usr/bin/valgrind) AC_DEFINE_UNQUOTED(VALGRIND_BIN, "$VALGRIND_BIN", Valgrind command) dnl Disable these until we decide if the stonith config file should be supported dnl AC_PATH_PROGS(BISON, bison) dnl AC_PATH_PROGS(FLEX, flex) dnl AC_PATH_PROGS(HAVE_YACC, $YACC) if test x"${LIBTOOL}" = x""; then AC_MSG_ERROR(You need (g)libtool installed in order to build ${PACKAGE}) fi if test x"${MAKE}" = x""; then AC_MSG_ERROR(You need (g)make installed in order to build ${PACKAGE}) fi AM_CONDITIONAL(BUILD_HELP, test x"${HELP2MAN}" != x"") if test x"${HELP2MAN}" != x""; then PCMK_FEATURES="$PCMK_FEATURES generated-manpages" fi MANPAGE_XSLT="" if test x"${XSLTPROC}" != x""; then AC_MSG_CHECKING(docbook to manpage transform) XSLT=`find ${datadir} -name docbook.xsl` for xsl in $XSLT; do dname=`dirname $xsl` bname=`basename $dname` if test "$bname" = "manpages"; then MANPAGE_XSLT="$xsl" break fi done fi AC_MSG_RESULT($MANPAGE_XSLT) AC_SUBST(MANPAGE_XSLT) AM_CONDITIONAL(BUILD_XML_HELP, test x"${MANPAGE_XSLT}" != x"") if test x"${MANPAGE_XSLT}" != x""; then PCMK_FEATURES="$PCMK_FEATURES agent-manpages" fi AM_CONDITIONAL(BUILD_ASCIIDOC, test x"${ASCIIDOC}" != x"") if test x"${ASCIIDOC}" != x""; then PCMK_FEATURES="$PCMK_FEATURES ascii-docs" fi SUPPORT_STONITH_CONFIG=0 if test x"${HAVE_YACC}" != x"" -a x"${FLEX}" != x"" -a x"${BISON}" != x""; then SUPPORT_STONITH_CONFIG=1 PCMK_FEATURES="$PCMK_FEATURES st-conf" fi AM_CONDITIONAL(BUILD_STONITH_CONFIG, test $SUPPORT_STONITH_CONFIG = 1) AC_DEFINE_UNQUOTED(SUPPORT_STONITH_CONFIG, $SUPPORT_STONITH_CONFIG, Support a stand-alone stonith config file in addition to the CIB) AM_CONDITIONAL(BUILD_DOCBOOK, test x"${PUBLICAN}" != x"" -a x"${INKSCAPE}" != x"") if test x"${PUBLICAN}" != x"" -a x"${INKSCAPE}" != x""; then AC_MSG_NOTICE(Enabling publican) PCMK_FEATURES="$PCMK_FEATURES publican-docs" fi dnl ======================================================================== dnl checks for library functions to replace them dnl dnl NoSuchFunctionName: dnl is a dummy function which no system supplies. It is here to make dnl the system compile semi-correctly on OpenBSD which doesn't know dnl how to create an empty archive dnl dnl scandir: Only on BSD. dnl System-V systems may have it, but hidden and/or deprecated. dnl A replacement function is supplied for it. dnl dnl setenv: is some bsdish function that should also be avoided (use dnl putenv instead) dnl On the other hand, putenv doesn't provide the right API for the dnl code and has memory leaks designed in (sigh...) Fortunately this dnl A replacement function is supplied for it. dnl dnl strerror: returns a string that corresponds to an errno. dnl A replacement function is supplied for it. dnl dnl strnlen: is a gnu function similar to strlen, but safer. dnl We wrote a tolearably-fast replacement function for it. dnl dnl strndup: is a gnu function similar to strdup, but safer. dnl We wrote a tolearably-fast replacement function for it. AC_REPLACE_FUNCS(alphasort NoSuchFunctionName scandir setenv strerror strchrnul unsetenv strnlen strndup) dnl =============================================== dnl Libraries dnl =============================================== AC_CHECK_LIB(socket, socket) dnl -lsocket AC_CHECK_LIB(c, dlopen) dnl if dlopen is in libc... AC_CHECK_LIB(dl, dlopen) dnl -ldl (for Linux) AC_CHECK_LIB(rt, sched_getscheduler) dnl -lrt (for Tru64) AC_CHECK_LIB(gnugetopt, getopt_long) dnl -lgnugetopt ( if available ) AC_CHECK_LIB(pam, pam_start) dnl -lpam (if available) AC_CHECK_FUNCS([sched_getparam sched_setparam sched_get_priority_min]) AC_CHECK_LIB(uuid, uuid_parse) dnl load the library if necessary AC_CHECK_FUNCS(uuid_unparse) dnl OSX ships uuid_* as standard functions AC_CHECK_HEADERS(uuid/uuid.h) if test "x$ac_cv_func_uuid_unparse" != xyes; then AC_MSG_ERROR(You do not have the libuuid development package installed) fi if test x"${PKGCONFIG}" = x""; then AC_MSG_ERROR(You need pkgconfig installed in order to build ${PACKAGE}) fi if test "x${enable_thread_safe}" = "xyes"; then GPKGNAME="gthread-2.0" else GPKGNAME="glib-2.0" fi if $PKGCONFIG --exists $GPKGNAME then GLIBCONFIG="$PKGCONFIG $GPKGNAME" else set -x echo PKG_CONFIG_PATH=$PKG_CONFIG_PATH $PKGCONFIG --exists $GPKGNAME; echo $? $PKGCONFIG --cflags $GPKGNAME; echo $? $PKGCONFIG $GPKGNAME; echo $? set +x AC_MSG_ERROR(You need glib2-devel installed in order to build ${PACKAGE}) fi AC_MSG_RESULT(using $GLIBCONFIG) # # Where is dlopen? # if test "$ac_cv_lib_c_dlopen" = yes; then LIBADD_DL="" elif test "$ac_cv_lib_dl_dlopen" = yes; then LIBADD_DL=-ldl else LIBADD_DL=${lt_cv_dlopen_libs} fi dnl dnl Check for location of gettext dnl dnl On at least Solaris 2.x, where it is in libc, specifying lintl causes dnl grief. Ensure minimal result, not the sum of all possibilities. dnl And do libc first. dnl Known examples: dnl c: Linux, Solaris 2.6+ dnl intl: BSD, AIX AC_CHECK_LIB(c, gettext) if test x$ac_cv_lib_c_gettext != xyes; then AC_CHECK_LIB(intl, gettext) fi if test x$ac_cv_lib_c_gettext != xyes -a x$ac_cv_lib_intl_gettext != xyes; then AC_MSG_ERROR(You need gettext installed in order to build ${PACKAGE}) fi if test "X$GLIBCONFIG" != X; then AC_MSG_CHECKING(for special glib includes: ) GLIBHEAD=`$GLIBCONFIG --cflags` AC_MSG_RESULT($GLIBHEAD) CPPFLAGS="$CPPFLAGS $GLIBHEAD" AC_MSG_CHECKING(for glib library flags) GLIBLIB=`$GLIBCONFIG --libs` AC_MSG_RESULT($GLIBLIB) LIBS="$LIBS $GLIBLIB" fi dnl ======================================================================== dnl Headers dnl ======================================================================== AC_HEADER_STDC AC_CHECK_HEADERS(arpa/inet.h) AC_CHECK_HEADERS(asm/types.h) AC_CHECK_HEADERS(assert.h) AC_CHECK_HEADERS(auth-client.h) AC_CHECK_HEADERS(ctype.h) AC_CHECK_HEADERS(dirent.h) AC_CHECK_HEADERS(errno.h) AC_CHECK_HEADERS(fcntl.h) AC_CHECK_HEADERS(getopt.h) AC_CHECK_HEADERS(glib.h) AC_CHECK_HEADERS(grp.h) AC_CHECK_HEADERS(limits.h) AC_CHECK_HEADERS(linux/errqueue.h) AC_CHECK_HEADERS(malloc.h) AC_CHECK_HEADERS(netdb.h) AC_CHECK_HEADERS(netinet/in.h) AC_CHECK_HEADERS(netinet/ip.h) AC_CHECK_HEADERS(pam/pam_appl.h) AC_CHECK_HEADERS(pthread.h) AC_CHECK_HEADERS(pwd.h) AC_CHECK_HEADERS(security/pam_appl.h) AC_CHECK_HEADERS(sgtty.h) AC_CHECK_HEADERS(signal.h) AC_CHECK_HEADERS(stdarg.h) AC_CHECK_HEADERS(stddef.h) AC_CHECK_HEADERS(stdio.h) AC_CHECK_HEADERS(stdlib.h) AC_CHECK_HEADERS(string.h) AC_CHECK_HEADERS(strings.h) AC_CHECK_HEADERS(sys/dir.h) AC_CHECK_HEADERS(sys/ioctl.h) AC_CHECK_HEADERS(sys/param.h) AC_CHECK_HEADERS(sys/poll.h) AC_CHECK_HEADERS(sys/reboot.h) AC_CHECK_HEADERS(sys/resource.h) AC_CHECK_HEADERS(sys/select.h) AC_CHECK_HEADERS(sys/socket.h) AC_CHECK_HEADERS(sys/signalfd.h) AC_CHECK_HEADERS(sys/sockio.h) AC_CHECK_HEADERS(sys/stat.h) AC_CHECK_HEADERS(sys/time.h) AC_CHECK_HEADERS(sys/timeb.h) AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(sys/uio.h) AC_CHECK_HEADERS(sys/un.h) AC_CHECK_HEADERS(sys/utsname.h) AC_CHECK_HEADERS(sys/wait.h) AC_CHECK_HEADERS(time.h) AC_CHECK_HEADERS(unistd.h) AC_CHECK_HEADERS(winsock.h) dnl These headers need prerequisits before the tests will pass dnl AC_CHECK_HEADERS(net/if.h) dnl AC_CHECK_HEADERS(netinet/icmp6.h) dnl AC_CHECK_HEADERS(netinet/ip6.h) dnl AC_CHECK_HEADERS(netinet/ip_icmp.h) AC_MSG_CHECKING(for special libxml2 includes) if test "x$XML2CONFIG" = "x"; then AC_MSG_ERROR(libxml2 config not found) else XML2HEAD="`$XML2CONFIG --cflags`" AC_MSG_RESULT($XML2HEAD) AC_CHECK_LIB(xml2, xmlReadMemory) AC_CHECK_LIB(xslt, xsltApplyStylesheet) fi CPPFLAGS="$CPPFLAGS $XML2HEAD" AC_CHECK_HEADERS(libxml/xpath.h) AC_CHECK_HEADERS(libxslt/xslt.h) if test "$ac_cv_header_libxml_xpath_h" != "yes"; then AC_MSG_ERROR(The libxml developement headers were not found) fi if test "$ac_cv_header_libxslt_xslt_h" != "yes"; then AC_MSG_ERROR(The libxslt developement headers were not found) fi dnl ======================================================================== dnl Structures dnl ======================================================================== AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[[#include ]]) AC_CHECK_MEMBERS([lrm_op_t.rsc_deleted],,,[[#include ]]) dnl ======================================================================== dnl Functions dnl ======================================================================== AC_CHECK_FUNCS(g_log_set_default_handler) AC_CHECK_FUNCS(getopt, AC_DEFINE(HAVE_DECL_GETOPT, 1, [Have getopt function])) AC_CHECK_FUNCS(nanosleep, AC_DEFINE(HAVE_DECL_NANOSLEEP, 1, [Have nanosleep function])) dnl ======================================================================== dnl ltdl dnl ======================================================================== AC_CHECK_LIB(ltdl, lt_dlopen, [LTDL_foo=1]) if test "x${enable_bundled_ltdl}" = "xyes"; then if test $ac_cv_lib_ltdl_lt_dlopen = yes; then AC_MSG_NOTICE([Disabling usage of installed ltdl]) fi ac_cv_lib_ltdl_lt_dlopen=no fi LIBLTDL_DIR="" if test $ac_cv_lib_ltdl_lt_dlopen != yes ; then AC_MSG_NOTICE([Installing local ltdl]) LIBLTDL_DIR=libltdl ( cd $srcdir ; $TAR -xvf libltdl.tar ) if test "$?" -ne 0; then AC_MSG_ERROR([$TAR of libltdl.tar in $srcdir failed]) fi AC_CONFIG_SUBDIRS(libltdl) else LIBS="$LIBS -lltdl" AC_MSG_NOTICE([Using installed ltdl]) INCLTDL="" LIBLTDL="" fi AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_SUBST(LIBLTDL_DIR) dnl ======================================================================== dnl bzip2 dnl ======================================================================== AC_CHECK_HEADERS(bzlib.h) AC_CHECK_LIB(bz2, BZ2_bzBuffToBuffCompress) if test x$ac_cv_lib_bz2_BZ2_bzBuffToBuffCompress != xyes ; then AC_MSG_ERROR(BZ2 libraries not found) fi if test x$ac_cv_header_bzlib_h != xyes; then AC_MSG_ERROR(BZ2 Development headers not found) fi dnl ======================================================================== dnl sighandler_t is missing from Illumos, Solaris11 systems dnl ======================================================================== AC_MSG_CHECKING([for sighandler_t]) AC_TRY_COMPILE([#include ],[sighandler_t *f;], has_sighandler_t=yes,has_sighandler_t=no) AC_MSG_RESULT($has_sighandler_t) if test "$has_sighandler_t" = "yes" ; then AC_DEFINE( HAVE_SIGHANDLER_T, 1, [Define if sighandler_t available] ) fi dnl ======================================================================== dnl ncurses dnl ======================================================================== dnl dnl A few OSes (e.g. Linux) deliver a default "ncurses" alongside "curses". dnl Many non-Linux deliver "curses"; sites may add "ncurses". dnl dnl However, the source-code recommendation for both is to #include "curses.h" dnl (i.e. "ncurses" still wants the include to be simple, no-'n', "curses.h"). dnl dnl ncurse takes precedence. dnl AC_CHECK_HEADERS(curses.h) AC_CHECK_HEADERS(curses/curses.h) AC_CHECK_HEADERS(ncurses.h) AC_CHECK_HEADERS(ncurses/ncurses.h) dnl Although n-library is preferred, only look for it if the n-header was found. CURSESLIBS='' if test "$ac_cv_header_ncurses_h" = "yes"; then AC_CHECK_LIB(ncurses, printw, [CURSESLIBS='-lncurses'; AC_DEFINE(HAVE_LIBNCURSES,1, have ncurses library)] ) fi if test "$ac_cv_header_ncurses_ncurses_h" = "yes"; then AC_CHECK_LIB(ncurses, printw, [CURSESLIBS='-lncurses'; AC_DEFINE(HAVE_LIBNCURSES,1, have ncurses library)] ) fi dnl Only look for non-n-library if there was no n-library. if test X"$CURSESLIBS" = X"" -a "$ac_cv_header_curses_h" = "yes"; then AC_CHECK_LIB(curses, printw, [CURSESLIBS='-lcurses'; AC_DEFINE(HAVE_LIBCURSES,1, have curses library)] ) fi dnl Only look for non-n-library if there was no n-library. if test X"$CURSESLIBS" = X"" -a "$ac_cv_header_curses_curses_h" = "yes"; then AC_CHECK_LIB(curses, printw, [CURSESLIBS='-lcurses'; AC_DEFINE(HAVE_LIBCURSES,1, have curses library)] ) fi if test "x$CURSESLIBS" != "x"; then PCMK_FEATURES="$PCMK_FEATURES ncurses" fi dnl Check for printw() prototype compatibility if test X"$CURSESLIBS" != X"" && cc_supports_flag -Wcast-qual && cc_supports_flag -Werror; then AC_MSG_CHECKING(whether printw() requires argument of "const char *") ac_save_LIBS=$LIBS LIBS="$CURSESLIBS $LIBS" ac_save_CFLAGS=$CFLAGS CFLAGS="-Wcast-qual -Werror" AC_LINK_IFELSE( [AC_LANG_PROGRAM( [ #if defined(HAVE_NCURSES_H) # include #elif defined(HAVE_NCURSES_NCURSES_H) # include #elif defined(HAVE_CURSES_H) # include #endif ], [printw((const char *)"Test");] )], [ac_cv_compatible_printw=yes], [ac_cv_compatible_printw=no] ) LIBS=$ac_save_LIBS CFLAGS=$ac_save_CFLAGS AC_MSG_RESULT([$ac_cv_compatible_printw]) if test "$ac_cv_compatible_printw" = no; then AC_MSG_WARN([The printw() function of your ncurses or curses library is old, we will disable usage of the library. If you want to use this library anyway, please update to newer version of the library, ncurses 5.4 or later is recommended. You can get the library from http://www.gnu.org/software/ncurses/.]) AC_MSG_NOTICE([Disabling curses]) AC_DEFINE(HAVE_INCOMPATIBLE_PRINTW, 1, [Do we have incompatible printw() in curses library?]) fi fi AC_SUBST(CURSESLIBS) dnl ======================================================================== dnl Profiling and GProf dnl ======================================================================== AC_MSG_NOTICE(Old CFLAGS: $CFLAGS) case $SUPPORT_COVERAGE in 1|yes|true) SUPPORT_PROFILING=1 PCMK_FEATURES="$PCMK_FEATURES coverage" CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage" dnl During linking, make sure to specify -lgcov or -coverage dnl Enable gprof #LIBS="$LIBS -pg" #CFLAGS="$CFLAGS -pg" ;; esac case $SUPPORT_PROFILING in 1|yes|true) SUPPORT_PROFILING=1 dnl Disable various compiler optimizations CFLAGS="$CFLAGS -fno-omit-frame-pointer -fno-inline" dnl CFLAGS="$CFLAGS -fno-inline-functions -fno-default-inline -fno-inline-functions-called-once -fno-optimize-sibling-calls" dnl Turn off optimization so tools can get accurate line numbers CFLAGS=`echo $CFLAGS | sed -e 's/-O.\ //g' -e 's/-Wp,-D_FORTIFY_SOURCE=.\ //g' -e 's/-D_FORTIFY_SOURCE=.\ //g'` CFLAGS="$CFLAGS -O0" dnl Update features PCMK_FEATURES="$PCMK_FEATURES profile" ;; *) SUPPORT_PROFILING=0;; esac AC_MSG_NOTICE(New CFLAGS: $CFLAGS) AC_DEFINE_UNQUOTED(SUPPORT_PROFILING, $SUPPORT_PROFILING, Support for profiling) dnl ======================================================================== dnl Cluster infrastructure - Heartbeat / LibQB dnl ======================================================================== dnl Compatability checks AC_CHECK_MEMBERS([struct lrm_ops.fail_rsc],,,[[#include ]]) if test x${enable_no_stack} = xyes; then SUPPORT_HEARTBEAT=no SUPPORT_CS=no fi PKG_CHECK_MODULES(libqb, libqb, HAVE_libqb=1, HAVE_libqb=0) AC_CHECK_HEADERS(qb/qbipc_common.h) AC_CHECK_LIB(qb, qb_ipcs_connection_auth_set) LIBQB_LOG=1 PCMK_FEATURES="$PCMK_FEATURES libqb-logging libqb-ipc" if ! pkg-config --atleast-version 0.13 libqb then AC_MSG_FAILURE(Version of libqb is too old: v0.13 or greater requried) fi LIBS="$LIBS $libqb_LIBS" AC_CHECK_HEADERS(heartbeat/hb_config.h) AC_CHECK_HEADERS(heartbeat/glue_config.h) AC_CHECK_HEADERS(stonith/stonith.h) AC_CHECK_HEADERS(agent_config.h) GLUE_HEADER=none HAVE_GLUE=0 if test "$ac_cv_header_heartbeat_glue_config_h" = "yes"; then GLUE_HEADER=glue_config.h HAVE_GLUE=1 elif test "$ac_cv_header_heartbeat_hb_config_h" = "yes"; then GLUE_HEADER=hb_config.h HAVE_GLUE=1 else AC_MSG_WARN(cluster-glue development headers were not found) fi if test "$ac_cv_header_stonith_stonith_h" = "yes"; then PCMK_FEATURES="$PCMK_FEATURES lha-fencing" fi if test $HAVE_GLUE = 1; then dnl On Debian, AC_CHECK_LIBS fail if a library has any unresolved symbols dnl So check for all the depenancies (so they're added to LIBS) before checking for -lplumb AC_CHECK_LIB(pils, PILLoadPlugin) AC_CHECK_LIB(plumb, G_main_add_IPC_Channel) fi dnl =============================================== dnl Variables needed for substitution dnl =============================================== CRM_DTD_DIRECTORY="${datadir}/pacemaker" AC_DEFINE_UNQUOTED(CRM_DTD_DIRECTORY,"$CRM_DTD_DIRECTORY", Location for the Pacemaker Relax-NG Schema) AC_SUBST(CRM_DTD_DIRECTORY) AC_DEFINE_UNQUOTED(CRM_DTD_VERSION,"$CRM_DTD_VERSION", Current version of the Pacemaker Relax-NG Schema) AC_SUBST(CRM_DTD_VERSION) CRM_CORE_DIR=`try_extract_header_define $GLUE_HEADER HA_COREDIR ${localstatedir}/lib/pacemaker/cores` AC_DEFINE_UNQUOTED(CRM_CORE_DIR,"$CRM_CORE_DIR", Location to store core files produced by Pacemaker daemons) AC_SUBST(CRM_CORE_DIR) CRM_DAEMON_USER=`try_extract_header_define $GLUE_HEADER HA_CCMUSER hacluster` AC_DEFINE_UNQUOTED(CRM_DAEMON_USER,"$CRM_DAEMON_USER", User to run Pacemaker daemons as) AC_SUBST(CRM_DAEMON_USER) CRM_DAEMON_GROUP=`try_extract_header_define $GLUE_HEADER HA_APIGROUP haclient` AC_DEFINE_UNQUOTED(CRM_DAEMON_GROUP,"$CRM_DAEMON_GROUP", Group to run Pacemaker daemons as) AC_SUBST(CRM_DAEMON_GROUP) CRM_STATE_DIR=${localstatedir}/run/crm AC_DEFINE_UNQUOTED(CRM_STATE_DIR,"$CRM_STATE_DIR", Where to keep state files and sockets) AC_SUBST(CRM_STATE_DIR) CRM_BLACKBOX_DIR=${localstatedir}/lib/pacemaker/blackbox AC_DEFINE_UNQUOTED(CRM_BLACKBOX_DIR,"$CRM_BLACKBOX_DIR", Where to keep blackbox dumps) AC_SUBST(CRM_BLACKBOX_DIR) PE_STATE_DIR="${localstatedir}/lib/pacemaker/pengine" AC_DEFINE_UNQUOTED(PE_STATE_DIR,"$PE_STATE_DIR", Where to keep PEngine outputs) AC_SUBST(PE_STATE_DIR) CRM_CONFIG_DIR="${localstatedir}/lib/pacemaker/cib" AC_DEFINE_UNQUOTED(CRM_CONFIG_DIR,"$CRM_CONFIG_DIR", Where to keep configuration files) AC_SUBST(CRM_CONFIG_DIR) CRM_LEGACY_CONFIG_DIR="${localstatedir}/lib/heartbeat/crm" AC_DEFINE_UNQUOTED(CRM_LEGACY_CONFIG_DIR,"$CRM_LEGACY_CONFIG_DIR", Where Pacemaker used to keep configuration files) AC_SUBST(CRM_LEGACY_CONFIG_DIR) CRM_DAEMON_DIR="${libexecdir}/pacemaker" AC_DEFINE_UNQUOTED(CRM_DAEMON_DIR,"$CRM_DAEMON_DIR", Location for Pacemaker daemons) AC_SUBST(CRM_DAEMON_DIR) HB_DAEMON_DIR=`try_extract_header_define $GLUE_HEADER HA_LIBHBDIR $libdir/heartbeat` AC_DEFINE_UNQUOTED(HB_DAEMON_DIR,"$HB_DAEMON_DIR", Location Heartbeat expects Pacemaker daemons to be in) AC_SUBST(HB_DAEMON_DIR) dnl Needed so that the Corosync plugin can clear out the directory as Heartbeat does HA_STATE_DIR=`try_extract_header_define $GLUE_HEADER HA_VARRUNDIR ${localstatedir}/run` AC_DEFINE_UNQUOTED(HA_STATE_DIR,"$HA_STATE_DIR", Where Heartbeat keeps state files and sockets) AC_SUBST(HA_STATE_DIR) CRM_RSCTMP_DIR=`try_extract_header_define agent_config.h HA_RSCTMPDIR $HA_STATE_DIR/resource-agents` AC_MSG_CHECKING(Scratch dir for resource agents) AC_MSG_RESULT($CRM_RSCTMP_DIR) AC_DEFINE_UNQUOTED(CRM_RSCTMP_DIR,"$CRM_RSCTMP_DIR", Where resource agents should keep state files) AC_SUBST(CRM_RSCTMP_DIR) dnl Needed for the location of hostcache in CTS.py HA_VARLIBHBDIR=`try_extract_header_define $GLUE_HEADER HA_VARLIBHBDIR ${localstatedir}/lib/heartbeat` AC_SUBST(HA_VARLIBHBDIR) AC_DEFINE_UNQUOTED(UUID_FILE,"$localstatedir/lib/heartbeat/hb_uuid", Location of Heartbeat's UUID file) OCF_ROOT_DIR=`try_extract_header_define $GLUE_HEADER OCF_ROOT_DIR /usr/lib/ocf` if test "X$OCF_ROOT_DIR" = X; then AC_MSG_ERROR(Could not locate OCF directory) fi AC_SUBST(OCF_ROOT_DIR) OCF_RA_DIR=`try_extract_header_define $GLUE_HEADER OCF_RA_DIR $OCF_ROOT_DIR/resource.d` AC_DEFINE_UNQUOTED(OCF_RA_DIR,"$OCF_RA_DIR", Location for OCF RAs) AC_SUBST(OCF_RA_DIR) RH_STONITH_DIR="$sbindir" AC_DEFINE_UNQUOTED(RH_STONITH_DIR,"$RH_STONITH_DIR", Location for Red Hat Stonith agents) RH_STONITH_PREFIX="fence_" AC_DEFINE_UNQUOTED(RH_STONITH_PREFIX,"$RH_STONITH_PREFIX", Prefix for Red Hat Stonith agents) AC_PATH_PROGS(GIT, git false) AC_MSG_CHECKING(build version) BUILD_VERSION=42f2063 if test $BUILD_VERSION != ":%h$"; then AC_MSG_RESULT(archive hash: $BUILD_VERSION) elif test -x $GIT -a -d .git; then BUILD_VERSION=`$GIT log --pretty="format:%h" -n 1` AC_MSG_RESULT(git hash: $BUILD_VERSION) else # The current directory name make a reasonable default # Most generated archives will include the hash or tag BASE=`basename $PWD` BUILD_VERSION=`echo $BASE | sed s:.*[[Pp]]acemaker-::` AC_MSG_RESULT(directory based hash: $BUILD_VERSION) fi AC_DEFINE_UNQUOTED(BUILD_VERSION, "$BUILD_VERSION", Build version) AC_SUBST(BUILD_VERSION) HAVE_gio=1 HAVE_upstart=0 HAVE_systemd=0 PKG_CHECK_MODULES(GIO, gio-2.0, ,HAVE_gio=0) AC_CHECK_TYPE([GDBusProxy],,,[[#include ]]) if test x$ac_cv_type_GDBusProxy != xyes; then HAVE_gio=0 AC_MSG_WARN(Unable to support systemd/upstart. You need to use glib >= 2.26) fi if test $HAVE_gio = 1 -a "x${enable_upstart}" != xno; then HAVE_upstart=1 PCMK_FEATURES="$PCMK_FEATURES upstart" fi AC_DEFINE_UNQUOTED(SUPPORT_UPSTART, $HAVE_upstart, Support upstart based system services) AM_CONDITIONAL(BUILD_UPSTART, test $HAVE_upstart = 1) if $PKGCONFIG --exists systemd then systemdunitdir=`$PKGCONFIG --variable=systemdsystemunitdir systemd` AC_SUBST(systemdunitdir) else enable_systemd=no fi if test $HAVE_gio = 1 -a "x${enable_systemd}" != xno; then if test -n "$systemdunitdir" -a "x$systemdunitdir" != xno; then HAVE_systemd=1 PCMK_FEATURES="$PCMK_FEATURES systemd" fi fi AC_DEFINE_UNQUOTED(SUPPORT_SYSTEMD, $HAVE_systemd, Support systemd based system services) AM_CONDITIONAL(BUILD_SYSTEMD, test $HAVE_systemd = 1) case $SUPPORT_NAGIOS in 1|yes|true|try) SUPPORT_NAGIOS=1;; *) SUPPORT_NAGIOS=0;; esac if test $SUPPORT_NAGIOS = 1; then PCMK_FEATURES="$PCMK_FEATURES nagios" fi AC_DEFINE_UNQUOTED(SUPPORT_NAGIOS, $SUPPORT_NAGIOS, Support nagios plugins) AM_CONDITIONAL(BUILD_NAGIOS, test $SUPPORT_NAGIOS = 1) if test x"$NAGIOS_PLUGIN_DIR" = x""; then NAGIOS_PLUGIN_DIR="${libexecdir}/nagios/plugins" fi AC_DEFINE_UNQUOTED(NAGIOS_PLUGIN_DIR, "$NAGIOS_PLUGIN_DIR", Directory for nagios plugins) AC_SUBST(NAGIOS_PLUGIN_DIR) if test x"$NAGIOS_METADATA_DIR" = x""; then NAGIOS_METADATA_DIR="${datadir}/nagios/plugins-metadata" fi AC_DEFINE_UNQUOTED(NAGIOS_METADATA_DIR, "$NAGIOS_METADATA_DIR", Directory for nagios plugins metadata) AC_SUBST(NAGIOS_METADATA_DIR) STACKS="" CLUSTERLIBS="" dnl ======================================================================== dnl Cluster stack - Heartbeat dnl ======================================================================== case $SUPPORT_HEARTBEAT in 1|yes|true|try) AC_MSG_CHECKING(for heartbeat support) AC_CHECK_LIB(hbclient, ll_cluster_new, [SUPPORT_HEARTBEAT=1], [if test $SUPPORT_HEARTBEAT != try; then AC_MSG_FAILURE(Unable to support Heartbeat: client libraries not found) fi]) if test $SUPPORT_HEARTBEAT = 1 ; then STACKS="$STACKS heartbeat" dnl objdump -x ${libdir}/libccmclient.so | grep SONAME | awk '{print $2}' AC_DEFINE_UNQUOTED(CCM_LIBRARY, "libccmclient.so.1", Library to load for ccm support) AC_DEFINE_UNQUOTED(HEARTBEAT_LIBRARY, "libhbclient.so.1", Library to load for heartbeat support) else SUPPORT_HEARTBEAT=0 fi ;; *) SUPPORT_HEARTBEAT=0;; esac AM_CONDITIONAL(BUILD_HEARTBEAT_SUPPORT, test $SUPPORT_HEARTBEAT = 1) AC_DEFINE_UNQUOTED(SUPPORT_HEARTBEAT, $SUPPORT_HEARTBEAT, Support the Heartbeat messaging and membership layer) AC_SUBST(SUPPORT_HEARTBEAT) dnl ======================================================================== dnl Cluster stack - Corosync dnl ======================================================================== dnl Normalize the values case $SUPPORT_CS in 1|yes|true) SUPPORT_CS=yes missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_CS=no;; esac AC_MSG_CHECKING(for native corosync) COROSYNC_LIBS="" CS_USES_LIBQB=0 PCMK_SERVICE_ID=9 LCRSODIR="$libdir" if test $SUPPORT_CS = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_CS=0 else AC_MSG_RESULT($SUPPORT_CS, with '$CSPREFIX') PKG_CHECK_MODULES(cpg, libcpg) dnl Fatal PKG_CHECK_MODULES(cfg, libcfg) dnl Fatal PKG_CHECK_MODULES(cmap, libcmap, HAVE_cmap=1, HAVE_cmap=0) PKG_CHECK_MODULES(cman, libcman, HAVE_cman=1, HAVE_cman=0) PKG_CHECK_MODULES(confdb, libconfdb, HAVE_confdb=1, HAVE_confdb=0) PKG_CHECK_MODULES(fenced, libfenced, HAVE_fenced=1, HAVE_fenced=0) PKG_CHECK_MODULES(quorum, libquorum, HAVE_quorum=1, HAVE_quorum=0) PKG_CHECK_MODULES(oldipc, libcoroipcc, HAVE_oldipc=1, HAVE_oldipc=0) if test $HAVE_oldipc = 1; then SUPPORT_CS=1 CFLAGS="$CFLAGS $oldipc_FLAGS $cpg_FLAGS $cfg_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $oldipc_LIBS $cpg_LIBS $cfg_LIBS" elif test $HAVE_libqb = 1; then SUPPORT_CS=1 CS_USES_LIBQB=1 CFLAGS="$CFLAGS $libqb_FLAGS $cpg_FLAGS $cfg_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $libqb_LIBS $cpg_LIBS $cfg_LIBS" AC_CHECK_LIB(corosync_common, cs_strerror) else aisreason="corosync/libqb IPC libraries not found by pkg_config" fi AC_DEFINE_UNQUOTED(HAVE_CONFDB, $HAVE_confdb, Have the old herarchial Corosync config API) AC_DEFINE_UNQUOTED(HAVE_CMAP, $HAVE_cmap, Have the new non-herarchial Corosync config API) fi if test $SUPPORT_CS = 1 -a x$HAVE_oldipc = x0 ; then dnl Support for plugins was removed about the time the IPC was dnl moved to libqb. dnl The only option now is the built-in quorum API CFLAGS="$CFLAGS $cmap_CFLAGS $quorum_CFLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $cmap_LIBS $quorum_LIBS" STACKS="$STACKS corosync-native" AC_DEFINE_UNQUOTED(SUPPORT_CS_QUORUM, 1, Support the consumption of membership and quorum from corosync) fi SUPPORT_PLUGIN=0 if test $SUPPORT_CS = 1 -a x$HAVE_confdb = x1; then dnl Need confdb to support cman and the plugins SUPPORT_PLUGIN=1 LCRSODIR=`$PKGCONFIG corosync --variable=lcrsodir` STACKS="$STACKS corosync-plugin" COROSYNC_LIBS="$COROSYNC_LIBS $confdb_LIBS" if test $SUPPORT_CMAN != no; then if test $HAVE_cman = 1 -a $HAVE_fenced = 1; then SUPPORT_CMAN=1 STACKS="$STACKS cman" CFLAGS="$CFLAGS $cman_FLAGS $fenced_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $cman_LIBS $fenced_LIBS" fi fi fi dnl Normalize SUPPORT_CS and SUPPORT_CMAN for use with #if directives if test $SUPPORT_CMAN != 1; then SUPPORT_CMAN=0 fi if test $SUPPORT_CS = 1; then CLUSTERLIBS="$CLUSTERLIBS $COROSYNC_LIBS" elif test $SUPPORT_CS != 0; then SUPPORT_CS=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support Corosync: $aisreason) else AC_MSG_FAILURE(Unable to support Corosync: $aisreason) fi fi AC_DEFINE_UNQUOTED(SUPPORT_COROSYNC, $SUPPORT_CS, Support the Corosync messaging and membership layer) AC_DEFINE_UNQUOTED(SUPPORT_CMAN, $SUPPORT_CMAN, Support the consumption of membership and quorum from cman) AC_DEFINE_UNQUOTED(CS_USES_LIBQB, $CS_USES_LIBQB, Does corosync use libqb for its ipc) AC_DEFINE_UNQUOTED(PCMK_SERVICE_ID, $PCMK_SERVICE_ID, Corosync service number) AC_DEFINE_UNQUOTED(SUPPORT_PLUGIN, $SUPPORT_PLUGIN, Support the Pacemaker plugin for Corosync) AM_CONDITIONAL(BUILD_CS_SUPPORT, test $SUPPORT_CS = 1) AM_CONDITIONAL(BUILD_CS_PLUGIN, test $SUPPORT_PLUGIN = 1) AM_CONDITIONAL(BUILD_CMAN, test $SUPPORT_CMAN = 1) AC_SUBST(SUPPORT_CMAN) AC_SUBST(SUPPORT_CS) dnl dnl Cluster stack - Sanity dnl if test x${enable_no_stack} = xyes; then AC_MSG_NOTICE(No cluster stack supported. Just building the Policy Engine) PCMK_FEATURES="$PCMK_FEATURES no-cluster-stack" else AC_MSG_CHECKING(for supported stacks) if test x"$STACKS" = x; then AC_MSG_FAILURE(You must support at least one cluster stack (heartbeat or corosync) ) fi AC_MSG_RESULT($STACKS) PCMK_FEATURES="$PCMK_FEATURES $STACKS" fi AC_SUBST(CLUSTERLIBS) AC_SUBST(LCRSODIR) dnl ======================================================================== dnl SNMP dnl ======================================================================== case $SUPPORT_SNMP in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_SNMP=no;; esac SNMPLIBS="" AC_MSG_CHECKING(for snmp support) if test $SUPPORT_SNMP = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_SNMP=0 else SNMPCONFIG="" AC_MSG_RESULT($SUPPORT_SNMP) AC_CHECK_HEADERS(net-snmp/net-snmp-config.h) if test "x${ac_cv_header_net_snmp_net_snmp_config_h}" != "xyes"; then SUPPORT_SNMP="no" fi if test $SUPPORT_SNMP != no; then AC_PATH_PROGS(SNMPCONFIG, net-snmp-config) if test "X${SNMPCONFIG}" = "X"; then AC_MSG_RESULT(You need the net_snmp development package to continue.) SUPPORT_SNMP=no fi fi if test $SUPPORT_SNMP != no; then AC_MSG_CHECKING(for special snmp libraries) SNMPLIBS=`$SNMPCONFIG --agent-libs` AC_MSG_RESULT($SNMPLIBS) fi if test $SUPPORT_SNMP != no; then savedLibs=$LIBS LIBS="$LIBS $SNMPLIBS" dnl On many systems libcrypto is needed when linking against libsnmp. dnl Check to see if it exists, and if so use it. dnl AC_CHECK_LIB(crypto, CRYPTO_free, CRYPTOLIB="-lcrypto",) dnl AC_SUBST(CRYPTOLIB) AC_CHECK_FUNCS(netsnmp_transport_open_client) if test $ac_cv_func_netsnmp_transport_open_client != yes; then AC_CHECK_FUNCS(netsnmp_tdomain_transport) if test $ac_cv_func_netsnmp_tdomain_transport != yes; then SUPPORT_SNMP=no else AC_DEFINE_UNQUOTED(NETSNMPV53, 1, [Use the older 5.3 version of the net-snmp API]) fi fi LIBS=$savedLibs fi if test $SUPPORT_SNMP = no; then SNMPLIBS="" SUPPORT_SNMP=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support SNMP) else AC_MSG_FAILURE(Unable to support SNMP) fi else SUPPORT_SNMP=1 fi fi if test $SUPPORT_SNMP = 1; then PCMK_FEATURES="$PCMK_FEATURES snmp" fi AC_SUBST(SNMPLIBS) AM_CONDITIONAL(ENABLE_SNMP, test "$SUPPORT_SNMP" = "1") AC_DEFINE_UNQUOTED(ENABLE_SNMP, $SUPPORT_SNMP, Build in support for sending SNMP traps) dnl ======================================================================== dnl ESMTP dnl ======================================================================== case $SUPPORT_ESMTP in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_ESMTP=no;; esac ESMTPLIB="" AC_MSG_CHECKING(for esmtp support) if test $SUPPORT_ESMTP = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_ESMTP=0 else ESMTPCONFIG="" AC_MSG_RESULT($SUPPORT_ESMTP) AC_CHECK_HEADERS(libesmtp.h) if test "x${ac_cv_header_libesmtp_h}" != "xyes"; then ENABLE_ESMTP="no" fi if test $SUPPORT_ESMTP != no; then AC_PATH_PROGS(ESMTPCONFIG, libesmtp-config) if test "X${ESMTPCONFIG}" = "X"; then AC_MSG_RESULT(You need the libesmtp development package to continue.) SUPPORT_ESMTP=no fi fi if test $SUPPORT_ESMTP != no; then AC_MSG_CHECKING(for special esmtp libraries) ESMTPLIBS=`$ESMTPCONFIG --libs | tr '\n' ' '` AC_MSG_RESULT($ESMTPLIBS) fi if test $SUPPORT_ESMTP = no; then SUPPORT_ESMTP=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support ESMTP) else AC_MSG_FAILURE(Unable to support ESMTP) fi else SUPPORT_ESMTP=1 PCMK_FEATURES="$PCMK_FEATURES libesmtp" fi fi AC_SUBST(ESMTPLIBS) AM_CONDITIONAL(ENABLE_ESMTP, test "$SUPPORT_ESMTP" = "1") AC_DEFINE_UNQUOTED(ENABLE_ESMTP, $SUPPORT_ESMTP, Build in support for sending mail notifications with ESMTP) dnl ======================================================================== dnl ACL dnl ======================================================================== case $SUPPORT_ACL in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_ACL=no;; esac AC_MSG_CHECKING(for acl support) if test $SUPPORT_ACL = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_ACL=0 else AC_MSG_RESULT($SUPPORT_ACL) SUPPORT_ACL=1 AC_CHECK_LIB(qb, qb_ipcs_connection_auth_set) if test $ac_cv_lib_qb_qb_ipcs_connection_auth_set != yes; then SUPPORT_ACL=0 fi if test $SUPPORT_ACL = 0; then if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support ACL. You need to use libqb > 0.13.0) else AC_MSG_FAILURE(Unable to support ACL. You need to use libqb > 0.13.0) fi fi fi if test $SUPPORT_ACL = 1; then PCMK_FEATURES="$PCMK_FEATURES acls" fi AM_CONDITIONAL(ENABLE_ACL, test "$SUPPORT_ACL" = "1") AC_DEFINE_UNQUOTED(ENABLE_ACL, $SUPPORT_ACL, Build in support for CIB ACL) dnl ======================================================================== dnl CIB secrets dnl ======================================================================== case $SUPPORT_CIBSECRETS in 1|yes|true|try) SUPPORT_CIBSECRETS=1;; *) SUPPORT_CIBSECRETS=0;; esac AC_DEFINE_UNQUOTED(SUPPORT_CIBSECRETS, $SUPPORT_CIBSECRETS, Support CIB secrets) AM_CONDITIONAL(BUILD_CIBSECRETS, test $SUPPORT_CIBSECRETS = 1) if test $SUPPORT_CIBSECRETS = 1; then PCMK_FEATURES="$PCMK_FEATURES cibsecrets" LRM_CIBSECRETS_DIR="${localstatedir}/lib/pacemaker/lrm/secrets" AC_DEFINE_UNQUOTED(LRM_CIBSECRETS_DIR,"$LRM_CIBSECRETS_DIR", Location for CIB secrets) AC_SUBST(LRM_CIBSECRETS_DIR) LRM_LEGACY_CIBSECRETS_DIR="${localstatedir}/lib/heartbeat/lrm/secrets" AC_DEFINE_UNQUOTED(LRM_LEGACY_CIBSECRETS_DIR,"$LRM_LEGACY_CIBSECRETS_DIR", Legacy location for CIB secrets) AC_SUBST(LRM_LEGACY_CIBSECRETS_DIR) fi dnl ======================================================================== dnl GnuTLS dnl ======================================================================== AC_CHECK_HEADERS(gnutls/gnutls.h) AC_CHECK_HEADERS(security/pam_appl.h pam/pam_appl.h) dnl GNUTLS library: Attempt to determine by 'libgnutls-config' program. dnl If no 'libgnutls-config', try traditional autoconf means. AC_PATH_PROGS(LIBGNUTLS_CONFIG, libgnutls-config) if test -n "$LIBGNUTLS_CONFIG"; then AC_MSG_CHECKING(for gnutls header flags) GNUTLSHEAD="`$LIBGNUTLS_CONFIG --cflags`"; AC_MSG_RESULT($GNUTLSHEAD) AC_MSG_CHECKING(for gnutls library flags) GNUTLSLIBS="`$LIBGNUTLS_CONFIG --libs`"; AC_MSG_RESULT($GNUTLSLIBS) fi AC_CHECK_LIB(gnutls, gnutls_init) AC_CHECK_FUNCS(gnutls_priority_set_direct) AC_SUBST(GNUTLSHEAD) AC_SUBST(GNUTLSLIBS) dnl ======================================================================== dnl System Health dnl ======================================================================== dnl Check if servicelog development package is installed SERVICELOG=servicelog-1 SERVICELOG_EXISTS="no" AC_MSG_CHECKING(for $SERVICELOG packages) if $PKGCONFIG --exists $SERVICELOG then PKG_CHECK_MODULES([SERVICELOG], [servicelog-1]) SERVICELOG_EXISTS="yes" fi AC_MSG_RESULT($SERVICELOG_EXISTS) AM_CONDITIONAL(BUILD_SERVICELOG, test "$SERVICELOG_EXISTS" = "yes") dnl Check if OpenIMPI packages and servicelog are installed OPENIPMI="OpenIPMI OpenIPMIposix" OPENIPMI_SERVICELOG_EXISTS="no" AC_MSG_CHECKING(for $SERVICELOG $OPENIPMI packages) if $PKGCONFIG --exists $OPENIPMI $SERVICELOG then PKG_CHECK_MODULES([OPENIPMI_SERVICELOG],[OpenIPMI OpenIPMIposix]) OPENIPMI_SERVICELOG_EXISTS="yes" fi AC_MSG_RESULT($OPENIPMI_SERVICELOG_EXISTS) AM_CONDITIONAL(BUILD_OPENIPMI_SERVICELOG, test "$OPENIPMI_SERVICELOG_EXISTS" = "yes") dnl ======================================================================== dnl Compiler flags dnl ======================================================================== dnl Make sure that CFLAGS is not exported. If the user did dnl not have CFLAGS in their environment then this should have dnl no effect. However if CFLAGS was exported from the user's dnl environment, then the new CFLAGS will also be exported dnl to sub processes. CC_ERRORS="" CC_EXTRAS="" if export | fgrep " CFLAGS=" > /dev/null; then SAVED_CFLAGS="$CFLAGS" unset CFLAGS CFLAGS="$SAVED_CFLAGS" unset SAVED_CFLAGS fi if test "$GCC" != yes; then CFLAGS="$CFLAGS -g" enable_fatal_warnings=no else CFLAGS="$CFLAGS -ggdb" # We had to eliminate -Wnested-externs because of libtool changes EXTRA_FLAGS="-fgnu89-inline -fstack-protector-all -Wall -Waggregate-return -Wbad-function-cast -Wcast-align -Wdeclaration-after-statement -Wendif-labels -Wfloat-equal -Wformat=2 -Wformat-security -Wformat-nonliteral -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Wno-long-long -Wno-strict-aliasing -Wunused-but-set-variable -Wpointer-arith -Wstrict-prototypes -Wunsigned-char -Wwrite-strings" # Additional warnings it might be nice to enable one day # -Wshadow # -Wunreachable-code for j in $EXTRA_FLAGS do if cc_supports_flag $j then CC_EXTRAS="$CC_EXTRAS $j" fi done dnl In lib/ais/Makefile.am there's a gcc option available as of v4.x GCC_MAJOR=`gcc -v 2>&1 | awk 'END{print $3}' | sed 's/[.].*//'` AM_CONDITIONAL(GCC_4, test "${GCC_MAJOR}" = 4) dnl System specific options case "$host_os" in *linux*|*bsd*) if test "${enable_fatal_warnings}" = "unknown"; then enable_fatal_warnings=yes fi ;; esac if test "x${enable_fatal_warnings}" != xno && cc_supports_flag -Werror ; then enable_fatal_warnings=yes else enable_fatal_warnings=no fi if test "x${enable_ansi}" = xyes && cc_supports_flag -std=iso9899:199409 ; then AC_MSG_NOTICE(Enabling ANSI Compatibility) CC_EXTRAS="$CC_EXTRAS -ansi -D_GNU_SOURCE -DANSI_ONLY" fi AC_MSG_NOTICE(Activated additional gcc flags: ${CC_EXTRAS}) fi CFLAGS="$CFLAGS $CC_EXTRAS" NON_FATAL_CFLAGS="$CFLAGS" AC_SUBST(NON_FATAL_CFLAGS) dnl dnl We reset CFLAGS to include our warnings *after* all function dnl checking goes on, so that our warning flags don't keep the dnl AC_*FUNCS() calls above from working. In particular, -Werror will dnl *always* cause us troubles if we set it before here. dnl dnl if test "x${enable_fatal_warnings}" = xyes ; then AC_MSG_NOTICE(Enabling Fatal Warnings) CFLAGS="$CFLAGS -Werror" fi AC_SUBST(CFLAGS) dnl This is useful for use in Makefiles that need to remove one specific flag CFLAGS_COPY="$CFLAGS" AC_SUBST(CFLAGS_COPY) AC_SUBST(LIBADD_DL) dnl extra flags for dynamic linking libraries AC_SUBST(LIBADD_INTL) dnl extra flags for GNU gettext stuff... AC_SUBST(LOCALE) dnl Options for cleaning up the compiler output QUIET_LIBTOOL_OPTS="" QUIET_MAKE_OPTS="" if test "x${enable_quiet}" = "xyes"; then QUIET_LIBTOOL_OPTS="--quiet" QUIET_MAKE_OPTS="--quiet" fi AC_MSG_RESULT(Supress make details: ${enable_quiet}) dnl Put the above variables to use LIBTOOL="${LIBTOOL} --tag=CC \$(QUIET_LIBTOOL_OPTS)" MAKE="${MAKE} \$(QUIET_MAKE_OPTS)" AC_SUBST(CC) AC_SUBST(MAKE) AC_SUBST(LIBTOOL) AC_SUBST(QUIET_MAKE_OPTS) AC_SUBST(QUIET_LIBTOOL_OPTS) AC_DEFINE_UNQUOTED(CRM_FEATURES, "$PCMK_FEATURES", Set of enabled features) AC_SUBST(PCMK_FEATURES) dnl The Makefiles and shell scripts we output AC_CONFIG_FILES(Makefile \ Doxyfile \ coverage.sh \ cts/Makefile \ cts/CTSvars.py \ cts/LSBDummy \ cts/benchmark/Makefile \ cts/benchmark/clubench \ cib/Makefile \ crmd/Makefile \ pengine/Makefile \ pengine/regression.core.sh \ doc/Makefile \ doc/Pacemaker_Explained/publican.cfg \ doc/Clusters_from_Scratch/publican.cfg \ doc/Pacemaker_Remote/publican.cfg \ include/Makefile \ include/crm/Makefile \ include/crm/cib/Makefile \ include/crm/common/Makefile \ include/crm/cluster/Makefile \ include/crm/fencing/Makefile \ include/crm/pengine/Makefile \ replace/Makefile \ lib/Makefile \ lib/pacemaker.pc \ lib/pacemaker-cib.pc \ lib/pacemaker-lrmd.pc \ lib/pacemaker-service.pc \ lib/pacemaker-pengine.pc \ lib/pacemaker-fencing.pc \ lib/pacemaker-cluster.pc \ lib/ais/Makefile \ lib/common/Makefile \ lib/cluster/Makefile \ lib/cib/Makefile \ lib/pengine/Makefile \ lib/transition/Makefile \ lib/fencing/Makefile \ lib/lrmd/Makefile \ lib/services/Makefile \ mcp/Makefile \ mcp/pacemaker \ mcp/pacemaker.service \ mcp/pacemaker.upstart \ mcp/pacemaker.combined.upstart \ fencing/Makefile \ fencing/regression.py \ lrmd/Makefile \ lrmd/regression.py \ lrmd/pacemaker_remote.service \ lrmd/pacemaker_remote \ extra/Makefile \ extra/resources/Makefile \ extra/rgmanager/Makefile \ tools/Makefile \ tools/crm_report \ tools/report.common \ tools/cibsecret \ xml/Makefile \ lib/gnu/Makefile \ ) dnl Now process the entire list of files added by previous dnl calls to AC_CONFIG_FILES() AC_OUTPUT() dnl ***************** dnl Configure summary dnl ***************** AC_MSG_RESULT([]) AC_MSG_RESULT([$PACKAGE configuration:]) AC_MSG_RESULT([ Version = ${VERSION} (Build: $BUILD_VERSION)]) AC_MSG_RESULT([ Features =${PCMK_FEATURES}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ Prefix = ${prefix}]) AC_MSG_RESULT([ Executables = ${sbindir}]) AC_MSG_RESULT([ Man pages = ${mandir}]) AC_MSG_RESULT([ Libraries = ${libdir}]) AC_MSG_RESULT([ Header files = ${includedir}]) AC_MSG_RESULT([ Arch-independent files = ${datadir}]) AC_MSG_RESULT([ State information = ${localstatedir}]) AC_MSG_RESULT([ System configuration = ${sysconfdir}]) AC_MSG_RESULT([ Corosync Plugins = ${LCRSODIR}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ Use system LTDL = ${ac_cv_lib_ltdl_lt_dlopen}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ HA group name = ${CRM_DAEMON_GROUP}]) AC_MSG_RESULT([ HA user name = ${CRM_DAEMON_USER}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ CFLAGS = ${CFLAGS}]) AC_MSG_RESULT([ Libraries = ${LIBS}]) AC_MSG_RESULT([ Stack Libraries = ${CLUSTERLIBS}]) pacemaker-master/coverage.sh.in000066400000000000000000000031361217637305600170500ustar00rootroot00000000000000#!/bin/bash start=$PWD test_home=`dirname $0` sanitydir=@datadir@/@PACKAGE@/tests if [ $test_home != $sanitydir ]; then # Running against the source tree GCOV_BASE=@abs_top_srcdir@ sanitydir=@abs_top_srcdir@ cd @abs_top_srcdir@ grep with-gcov config.log if [ $? = 0 ]; then echo "Pacemaker was built with gcov support" else echo "Re-building with gcov support" last=`grep --color=never "$.*configure" config.log | tail -n 1 | sed s:.*configure:./configure: | sed s:--no-create:--with-gcov:` eval $last fi #sudo make core core-install else GCOV_BASE=@localstatedir@/lib/pacemaker/gcov/ mkdir -p $GCOV_BASE export GCOV_PREFIX_STRIP=4 export GCOV_PREFIX=$GCOV_BASE top=`find / -name crm_internal.h 2>/dev/null | grep debug | head -n 1` if [ "x$top" = x ]; then echo "Could not locate the pacemaker headers" exit 1 fi cd `dirname $top` cd .. echo "Creating the directory structure in $GCOV_BASE from $PWD" # The .gcno files will already be there for sources, # but we still need to create the include/ subtree find . -type d -exec mkdir -p $GCOV_BASE/\{\} \; echo "Now linking the source files into place" find . -type f -name "*.c" -exec ln -s $PWD/\{\} $GCOV_BASE\{\} \; find . -type f -name "*.h" -exec ln -s $PWD/\{\} $GCOV_BASE\{\} \; find . -type f -name "*.debug" -exec ln -s $PWD/\{\} $GCOV_BASE\{\} \; fi cd $start lcov -d $GCOV_BASE -z # Run all active regression tests $sanitydir/BasicSanity.sh lcov -d $GCOV_BASE -c -o pacemaker.info rm -rf html mkdir html genhtml -o html pacemaker.info pacemaker-master/crmd/000077500000000000000000000000001217637305600152365ustar00rootroot00000000000000pacemaker-master/crmd/Makefile.am000066400000000000000000000047131217637305600172770ustar00rootroot00000000000000# # Copyright (C) 2004 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # MAINTAINERCLEANFILES = Makefile.in INCLUDES = -I$(top_builddir)/include -I$(top_srcdir)/include \ -I$(top_builddir)/libltdl -I$(top_srcdir)/libltdl halibdir = $(CRM_DAEMON_DIR) ## binary progs halib_PROGRAMS = crmd ## SOURCES noinst_HEADERS = crmd.h crmd_fsa.h crmd_messages.h fsa_defines.h \ fsa_matrix.h fsa_proto.h crmd_utils.h crmd_callbacks.h \ crmd_lrm.h te_callbacks.h tengine.h crmd_SOURCES = main.c crmd.c corosync.c \ fsa.c control.c messages.c membership.c callbacks.c \ election.c join_client.c join_dc.c subsystems.c \ cib.c pengine.c tengine.c lrm.c lrm_state.c remote_lrmd_ra.c \ utils.c misc.c te_events.c te_actions.c te_utils.c te_callbacks.c if BUILD_HEARTBEAT_SUPPORT crmd_SOURCES += heartbeat.c endif crmd_LDADD = $(top_builddir)/lib/fencing/libstonithd.la \ $(top_builddir)/lib/transition/libtransitioner.la \ $(top_builddir)/lib/pengine/libpe_rules.la \ $(top_builddir)/lib/cib/libcib.la \ $(top_builddir)/lib/cluster/libcrmcluster.la \ $(top_builddir)/lib/common/libcrmcommon.la \ $(top_builddir)/lib/services/libcrmservice.la \ $(top_builddir)/lib/lrmd/liblrmd.la \ $(CLUSTERLIBS) if BUILD_XML_HELP man7_MANS = crmd.7 %.xml: % $(top_builddir)/crmd/$< metadata | $(XSLTPROC) --nonet --novalid --stringparam man.name $< $(top_srcdir)/xml/ocf-meta2man.xsl - > $(top_builddir)/crmd/$@ %.7: %.xml $(XSLTPROC) $(MANPAGE_XSLT) $(top_builddir)/crmd/$< endif clean-generic: rm -f *.log *.debug *.xml *~ install-exec-local: uninstall-local: graphs: fsa_inputs.png fsa_inputs_by_action.png fsa_actions_by_state.png %.png: %.dot dot -Tpng $< > $@ %.dot : fsa_matrix.h make_dot.pl perl $(top_srcdir)/crmd/make_dot.pl $(top_srcdir)/crmd/fsa_matrix.h $(top_builddir)/crmd pacemaker-master/crmd/callbacks.c000066400000000000000000000214451217637305600173270ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void crmd_ha_connection_destroy(gpointer user_data); /* From join_dc... */ extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); void crmd_ha_connection_destroy(gpointer user_data) { crm_trace("Invoked"); if (is_set(fsa_input_register, R_HA_DISCONNECTED)) { /* we signed out, so this is expected */ crm_info("Heartbeat disconnection complete"); return; } crm_crit("Lost connection to heartbeat service!"); register_fsa_input(C_HA_DISCONNECT, I_ERROR, NULL); trigger_fsa(fsa_source); } void crmd_ha_msg_filter(xmlNode * msg) { if (AM_I_DC) { const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); if (safe_str_eq(sys_from, CRM_SYSTEM_DC)) { const char *from = crm_element_value(msg, F_ORIG); if (safe_str_neq(from, fsa_our_uname)) { int level = LOG_INFO; const char *op = crm_element_value(msg, F_CRM_TASK); /* make sure the election happens NOW */ if (fsa_state != S_ELECTION) { ha_msg_input_t new_input; level = LOG_WARNING; new_input.msg = msg; register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION, NULL, &new_input, __FUNCTION__); } do_crm_log(level, "Another DC detected: %s (op=%s)", from, op); goto done; } } } else { const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); if (safe_str_eq(sys_to, CRM_SYSTEM_DC)) { return; } } /* crm_log_xml_trace("HA[inbound]", msg); */ route_message(C_HA_MESSAGE, msg); done: trigger_fsa(fsa_source); } void peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data) { uint32_t old = 0; uint32_t changed = 0; bool appeared = FALSE; const char *status = NULL; set_bit(fsa_input_register, R_PEER_DATA); if (node->uname == NULL) { return; } switch (type) { case crm_status_uname: /* If we've never seen the node, then it also wont be in the status section */ crm_info("%s is now %s", node->uname, node->state); return; case crm_status_nstate: crm_info("%s is now %s (was %s)", node->uname, node->state, (const char *)data); if (safe_str_eq(data, node->state)) { /* State did not change */ return; } else if(safe_str_eq(CRM_NODE_MEMBER, node->state)) { appeared = TRUE; } break; case crm_status_processes: if (data) { old = *(const uint32_t *)data; changed = node->processes ^ old; } /* crmd_proc_update(node, proc_flags); */ status = (node->processes & proc_flags) ? ONLINESTATUS : OFFLINESTATUS; crm_info("Client %s/%s now has status [%s] (DC=%s)", node->uname, peer2text(proc_flags), status, AM_I_DC ? "true" : crm_str(fsa_our_dc)); if ((changed & proc_flags) == 0) { /* Peer process did not change */ crm_trace("No change %6x %6x %6x", old, node->processes, proc_flags); return; } else if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { crm_trace("Not connected"); return; } else if (fsa_state == S_STOPPING) { crm_trace("Stopping"); return; } appeared = (node->processes & proc_flags) != 0; if (safe_str_eq(node->uname, fsa_our_uname) && (node->processes & proc_flags) == 0) { /* Did we get evicted? */ crm_notice("Our peer connection failed"); register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ERROR, NULL); } else if (safe_str_eq(node->uname, fsa_our_dc) && crm_is_peer_active(node) == FALSE) { /* Did the DC leave us? */ crm_notice("Our peer on the DC is dead"); register_fsa_input(C_CRMD_STATUS_CALLBACK, I_ELECTION, NULL); } break; } if (AM_I_DC) { xmlNode *update = NULL; gboolean alive = crm_is_peer_active(node); crm_action_t *down = match_down_event(0, node->uuid, NULL, appeared); crm_trace("Alive=%d, appear=%d, down=%p", alive, appeared, down); if (alive && type == crm_status_processes) { register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL); } if (down) { const char *task = crm_element_value(down->xml, XML_LRM_ATTR_TASK); if (alive && safe_str_eq(task, CRM_OP_FENCE)) { crm_info("Node return implies stonith of %s (action %d) completed", node->uname, down->id); erase_status_tag(node->uname, XML_CIB_TAG_LRM, cib_scope_local); erase_status_tag(node->uname, XML_TAG_TRANSIENT_NODEATTRS, cib_scope_local); /* down->confirmed = TRUE; Only stonith-ng returning should imply completion */ down->sent_update = TRUE; /* Prevent tengine_stonith_callback() from calling send_stonith_update() */ } else if (safe_str_eq(task, CRM_OP_FENCE)) { crm_trace("Waiting for stonithd to report the fencing of %s is complete", node->uname); /* via tengine_stonith_callback() */ } else if (alive == FALSE) { crm_notice("%s of %s (op %d) is complete", task, node->uname, down->id); /* down->confirmed = TRUE; Only stonith-ng returning should imply completion */ stop_te_timer(down->timer); crm_update_peer_join(__FUNCTION__, node, crm_join_none); crm_update_peer_expected(__FUNCTION__, node, CRMD_JOINSTATE_DOWN); check_join_state(fsa_state, __FUNCTION__); update_graph(transition_graph, down); trigger_graph(); } else { crm_trace("Other %p", down); } } else if (appeared == FALSE) { crm_notice("Stonith/shutdown of %s not matched", node->uname); crm_update_peer_join(__FUNCTION__, node, crm_join_none); check_join_state(fsa_state, __FUNCTION__); abort_transition(INFINITY, tg_restart, "Node failure", NULL); fail_incompletable_actions(transition_graph, node->uuid); } else { crm_trace("Other %p", down); } update = do_update_node_cib(node, node_update_peer, NULL, __FUNCTION__); fsa_cib_anon_update(XML_CIB_TAG_STATUS, update, cib_scope_local | cib_quorum_override | cib_can_create); free_xml(update); } trigger_fsa(fsa_source); } void crmd_cib_connection_destroy(gpointer user_data) { CRM_CHECK(user_data == fsa_cib_conn,;); crm_trace("Invoked"); trigger_fsa(fsa_source); fsa_cib_conn->state = cib_disconnected; if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { crm_info("Connection to the CIB terminated..."); return; } /* eventually this will trigger a reconnect, not a shutdown */ crm_err("Connection to the CIB terminated..."); register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL); clear_bit(fsa_input_register, R_CIB_CONNECTED); return; } gboolean crm_fsa_trigger(gpointer user_data) { crm_trace("Invoked (queue len: %d)", g_list_length(fsa_message_queue)); s_crmd_fsa(C_FSA_INTERNAL); crm_trace("Exited (queue len: %d)", g_list_length(fsa_message_queue)); return TRUE; } pacemaker-master/crmd/cib.c000066400000000000000000000164661217637305600161540ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include /* for access */ #include /* for calls to open */ #include /* for calls to open */ #include /* for calls to open */ #include /* for getpwuid */ #include /* for initgroups */ #include /* for getrlimit */ #include /* for getrlimit */ #include #include #include #include #include #include #include struct crm_subsystem_s *cib_subsystem = NULL; int cib_retries = 0; static void do_cib_updated(const char *event, xmlNode * msg) { int rc = -1; CRM_CHECK(msg != NULL, return); crm_element_value_int(msg, F_CIB_RC, &rc); if (rc < pcmk_ok) { crm_trace("Filter rc=%d (%s)", rc, pcmk_strerror(rc)); return; } if (get_xpath_object ("//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_CIB_TAG_CRMCONFIG, msg, LOG_TRACE) != NULL) { mainloop_set_trigger(config_read); } } static void revision_check_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { int cmp = -1; const char *revision = NULL; xmlNode *generation = NULL; if (rc != pcmk_ok) { fsa_data_t *msg_data = NULL; register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); return; } generation = output; CRM_CHECK(safe_str_eq(crm_element_name(generation), XML_TAG_CIB), crm_log_xml_err(output, __FUNCTION__); return); crm_trace("Checking our feature revision is allowed: %s", CIB_FEATURE_SET); revision = crm_element_value(generation, XML_ATTR_CRM_VERSION); cmp = compare_version(revision, CRM_FEATURE_SET); if (cmp > 0) { crm_err("This build (%s) does not support the current" " resource configuration", VERSION); crm_err("We can only support up to CRM feature set %s (current=%s)", CRM_FEATURE_SET, revision); crm_err("Shutting down the CRM"); /* go into a stall state */ register_fsa_error_adv(C_FSA_INTERNAL, I_SHUTDOWN, NULL, NULL, __FUNCTION__); return; } } static void do_cib_replaced(const char *event, xmlNode * msg) { crm_debug("Updating the CIB after a replace: DC=%s", AM_I_DC ? "true" : "false"); if (AM_I_DC == FALSE) { return; } else if (fsa_state == S_FINALIZE_JOIN && is_set(fsa_input_register, R_CIB_ASKED)) { /* no need to restart the join - we asked for this replace op */ return; } /* start the join process again so we get everyone's LRM status */ populate_cib_nodes(node_update_quick | node_update_cluster | node_update_peer | node_update_join | node_update_expected, __FUNCTION__); register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL); } /* A_CIB_STOP, A_CIB_START, A_CIB_RESTART, */ void do_cib_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { struct crm_subsystem_s *this_subsys = cib_subsystem; long long stop_actions = A_CIB_STOP; long long start_actions = A_CIB_START; if (action & stop_actions) { if (fsa_cib_conn->state != cib_disconnected && last_resource_update != 0) { crm_info("Waiting for resource update %d to complete", last_resource_update); crmd_fsa_stall(FALSE); return; } crm_info("Disconnecting CIB"); clear_bit(fsa_input_register, R_CIB_CONNECTED); CRM_ASSERT(fsa_cib_conn != NULL); fsa_cib_conn->cmds->del_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, do_cib_updated); if (fsa_cib_conn->state != cib_disconnected) { fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_scope_local); fsa_cib_conn->cmds->signoff(fsa_cib_conn); } } if (action & start_actions) { int rc = pcmk_ok; CRM_ASSERT(fsa_cib_conn != NULL); if (cur_state == S_STOPPING) { crm_err("Ignoring request to start %s after shutdown", this_subsys->name); return; } rc = fsa_cib_conn->cmds->signon(fsa_cib_conn, CRM_SYSTEM_CRMD, cib_command_nonblocking); if (rc != pcmk_ok) { /* a short wait that usually avoids stalling the FSA */ sleep(1); rc = fsa_cib_conn->cmds->signon(fsa_cib_conn, CRM_SYSTEM_CRMD, cib_command_nonblocking); } if (rc != pcmk_ok) { crm_info("Could not connect to the CIB service: %s", pcmk_strerror(rc)); } else if (pcmk_ok != fsa_cib_conn->cmds->set_connection_dnotify(fsa_cib_conn, crmd_cib_connection_destroy)) { crm_err("Could not set dnotify callback"); } else if (pcmk_ok != fsa_cib_conn->cmds->add_notify_callback(fsa_cib_conn, T_CIB_REPLACE_NOTIFY, do_cib_replaced)) { crm_err("Could not set CIB notification callback (replace)"); } else if (pcmk_ok != fsa_cib_conn->cmds->add_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, do_cib_updated)) { crm_err("Could not set CIB notification callback (update)"); } else { set_bit(fsa_input_register, R_CIB_CONNECTED); } if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { cib_retries++; crm_warn("Couldn't complete CIB registration %d" " times... pause and retry", cib_retries); if (cib_retries < 30) { crm_timer_start(wait_timer); crmd_fsa_stall(FALSE); } else { crm_err("Could not complete CIB" " registration %d times..." " hard error", cib_retries); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } else { int call_id = 0; crm_info("CIB connection established"); call_id = fsa_cib_conn->cmds->query(fsa_cib_conn, NULL, NULL, cib_scope_local); fsa_register_cib_callback(call_id, FALSE, NULL, revision_check_callback); cib_retries = 0; } } } pacemaker-master/crmd/control.c000066400000000000000000001004271217637305600170660ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include qb_ipcs_service_t *ipcs = NULL; extern gboolean crm_connect_corosync(crm_cluster_t * cluster); extern void crmd_ha_connection_destroy(gpointer user_data); void crm_shutdown(int nsig); gboolean crm_read_options(gpointer user_data); gboolean fsa_has_quorum = FALSE; crm_trigger_t *fsa_source = NULL; crm_trigger_t *config_read = NULL; /* A_HA_CONNECT */ void do_ha_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { gboolean registered = FALSE; static crm_cluster_t *cluster = NULL; if (cluster == NULL) { cluster = calloc(1, sizeof(crm_cluster_t)); } if (action & A_HA_DISCONNECT) { crm_cluster_disconnect(cluster); crm_info("Disconnected from the cluster"); set_bit(fsa_input_register, R_HA_DISCONNECTED); } if (action & A_HA_CONNECT) { crm_set_status_callback(&peer_update_callback); if (is_openais_cluster()) { #if SUPPORT_COROSYNC registered = crm_connect_corosync(cluster); #endif } else if (is_heartbeat_cluster()) { #if SUPPORT_HEARTBEAT cluster->destroy = crmd_ha_connection_destroy; cluster->hb_dispatch = crmd_ha_msg_callback; registered = crm_cluster_connect(cluster); fsa_cluster_conn = cluster->hb_conn; crm_trace("Be informed of Node Status changes"); if (registered && fsa_cluster_conn->llc_ops->set_nstatus_callback(fsa_cluster_conn, crmd_ha_status_callback, fsa_cluster_conn) != HA_OK) { crm_err("Cannot set nstatus callback: %s", fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn)); registered = FALSE; } crm_trace("Be informed of CRM Client Status changes"); if (registered && fsa_cluster_conn->llc_ops->set_cstatus_callback(fsa_cluster_conn, crmd_client_status_callback, fsa_cluster_conn) != HA_OK) { crm_err("Cannot set cstatus callback: %s", fsa_cluster_conn->llc_ops->errmsg(fsa_cluster_conn)); registered = FALSE; } if (registered) { crm_trace("Requesting an initial dump of CRMD client_status"); fsa_cluster_conn->llc_ops->client_status(fsa_cluster_conn, NULL, CRM_SYSTEM_CRMD, -1); } #endif } fsa_our_uname = cluster->uname; fsa_our_uuid = cluster->uuid; if(cluster->uuid == NULL) { crm_err("Could not obtain local uuid"); registered = FALSE; } if (registered == FALSE) { set_bit(fsa_input_register, R_HA_DISCONNECTED); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); return; } populate_cib_nodes(node_update_none, __FUNCTION__); clear_bit(fsa_input_register, R_HA_DISCONNECTED); crm_info("Connected to the cluster"); } if (action & ~(A_HA_CONNECT | A_HA_DISCONNECT)) { crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } } /* A_SHUTDOWN */ void do_shutdown(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { /* just in case */ set_bit(fsa_input_register, R_SHUTDOWN); if (is_heartbeat_cluster()) { if (is_set(fsa_input_register, pe_subsystem->flag_connected)) { crm_info("Terminating the %s", pe_subsystem->name); if (stop_subsystem(pe_subsystem, TRUE) == FALSE) { /* its gone... */ crm_err("Faking %s exit", pe_subsystem->name); clear_bit(fsa_input_register, pe_subsystem->flag_connected); } else { crm_info("Waiting for subsystems to exit"); crmd_fsa_stall(FALSE); } } crm_info("All subsystems stopped, continuing"); } if (stonith_api) { /* Prevent it from comming up again */ clear_bit(fsa_input_register, R_ST_REQUIRED); crm_info("Disconnecting STONITH..."); stonith_api->cmds->disconnect(stonith_api); } } /* A_SHUTDOWN_REQ */ void do_shutdown_req(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { xmlNode *msg = NULL; crm_info("Sending shutdown request to %s", crm_str(fsa_our_dc)); msg = create_request(CRM_OP_SHUTDOWN_REQ, NULL, NULL, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL); /* set_bit(fsa_input_register, R_STAYDOWN); */ if (send_cluster_message(NULL, crm_msg_crmd, msg, TRUE) == FALSE) { register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } free_xml(msg); } extern crm_ipc_t *attrd_ipc; extern char *max_generation_from; extern xmlNode *max_generation_xml; extern GHashTable *resource_history; extern GHashTable *voted; extern GHashTable *reload_hash; extern char *te_client_id; void log_connected_client(gpointer key, gpointer value, gpointer user_data); void log_connected_client(gpointer key, gpointer value, gpointer user_data) { crm_client_t *client = value; crm_err("%s is still connected at exit", crm_client_name(client)); } int crmd_fast_exit(int rc) { if (is_set(fsa_input_register, R_STAYDOWN)) { crm_warn("Inhibiting respawn: %d -> %d", rc, 100); rc = 100; } if (rc == pcmk_ok && is_set(fsa_input_register, R_IN_RECOVERY)) { crm_err("Could not recover from internal error"); rc = pcmk_err_generic; } return crm_exit(rc); } int crmd_exit(int rc) { GListPtr gIter = NULL; GMainLoop *mloop = crmd_mainloop; static bool in_progress = FALSE; if(in_progress && rc == 0) { crm_debug("Exit is already in progress"); return rc; } else if(in_progress) { crm_notice("Error during shutdown process, terminating now: %s (%d)", pcmk_strerror(rc), rc); crm_write_blackbox(SIGTRAP, NULL); crmd_fast_exit(rc); } in_progress = TRUE; crm_trace("Preparing to exit: %d", rc); /* Suppress secondary errors resulting from us disconnecting everything */ set_bit(fsa_input_register, R_HA_DISCONNECTED); /* Close all IPC servers and clients to ensure any and all shared memory files are cleaned up */ if(ipcs) { crm_trace("Closing IPC server"); mainloop_del_ipc_server(ipcs); ipcs = NULL; } if (attrd_ipc) { crm_trace("Closing attrd connection"); crm_ipc_close(attrd_ipc); crm_ipc_destroy(attrd_ipc); attrd_ipc = NULL; } if (pe_subsystem && pe_subsystem->client && pe_subsystem->client->ipcs) { crm_trace("Disconnecting Policy Engine"); qb_ipcs_disconnect(pe_subsystem->client->ipcs); } if(stonith_api) { crm_trace("Disconnecting fencing API"); clear_bit(fsa_input_register, R_ST_REQUIRED); stonith_api->cmds->free(stonith_api); stonith_api = NULL; } if (rc == pcmk_ok && crmd_mainloop == NULL) { crm_debug("No mainloop detected"); rc = EPROTO; } /* On an error, just get out. * * Otherwise, make the effort to have mainloop exit gracefully so * that it (mostly) cleans up after itself and valgrind has less * to report on - allowing real errors stand out */ if(rc != pcmk_ok) { crm_notice("Forcing immediate exit: %s (%d)", pcmk_strerror(rc), rc); crm_write_blackbox(SIGTRAP, NULL); return crmd_fast_exit(rc); } /* Clean up as much memory as possible for valgrind */ #if SUPPORT_HEARTBEAT if (fsa_cluster_conn) { crm_trace("Disconnecting heartbeat"); fsa_cluster_conn->llc_ops->delete(fsa_cluster_conn); fsa_cluster_conn = NULL; } #endif for (gIter = fsa_message_queue; gIter != NULL; gIter = gIter->next) { fsa_data_t *fsa_data = gIter->data; crm_info("Dropping %s: [ state=%s cause=%s origin=%s ]", fsa_input2string(fsa_data->fsa_input), fsa_state2string(fsa_state), fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin); delete_fsa_input(fsa_data); } clear_bit(fsa_input_register, R_MEMBERSHIP); g_list_free(fsa_message_queue); fsa_message_queue = NULL; free(pe_subsystem); pe_subsystem = NULL; free(te_subsystem); te_subsystem = NULL; free(cib_subsystem); cib_subsystem = NULL; if (reload_hash) { crm_trace("Destroying reload cache with %d members", g_hash_table_size(reload_hash)); g_hash_table_destroy(reload_hash); reload_hash = NULL; } if (voted) { crm_trace("Destroying voted cache with %d members", g_hash_table_size(voted)); g_hash_table_destroy(voted); voted = NULL; } cib_delete(fsa_cib_conn); fsa_cib_conn = NULL; verify_stopped(fsa_state, LOG_WARNING); clear_bit(fsa_input_register, R_LRM_CONNECTED); lrm_state_destroy_all(); /* This basically will not work, since mainloop has a reference to it */ mainloop_destroy_trigger(fsa_source); fsa_source = NULL; mainloop_destroy_trigger(config_read); config_read = NULL; mainloop_destroy_trigger(stonith_reconnect); stonith_reconnect = NULL; mainloop_destroy_trigger(transition_trigger); transition_trigger = NULL; crm_client_cleanup(); crm_peer_destroy(); crm_timer_stop(transition_timer); crm_timer_stop(integration_timer); crm_timer_stop(finalization_timer); crm_timer_stop(election_trigger); crm_timer_stop(election_timeout); crm_timer_stop(shutdown_escalation_timer); crm_timer_stop(wait_timer); crm_timer_stop(recheck_timer); free(transition_timer); transition_timer = NULL; free(integration_timer); integration_timer = NULL; free(finalization_timer); finalization_timer = NULL; free(election_trigger); election_trigger = NULL; free(election_timeout); election_timeout = NULL; free(shutdown_escalation_timer); shutdown_escalation_timer = NULL; free(wait_timer); wait_timer = NULL; free(recheck_timer); recheck_timer = NULL; free(fsa_our_dc_version); fsa_our_dc_version = NULL; free(fsa_our_uname); fsa_our_uname = NULL; free(fsa_our_uuid); fsa_our_uuid = NULL; free(fsa_our_dc); fsa_our_dc = NULL; free(te_uuid); te_uuid = NULL; free(te_client_id); te_client_id = NULL; free(fsa_pe_ref); fsa_pe_ref = NULL; free(failed_stop_offset); failed_stop_offset = NULL; free(failed_start_offset); failed_start_offset = NULL; free(max_generation_from); max_generation_from = NULL; free_xml(max_generation_xml); max_generation_xml = NULL; mainloop_destroy_signal(SIGUSR1); mainloop_destroy_signal(SIGTERM); mainloop_destroy_signal(SIGTRAP); mainloop_destroy_signal(SIGCHLD); if (mloop) { int lpc = 0; GMainContext *ctx = g_main_loop_get_context(crmd_mainloop); /* Don't re-enter this block */ crmd_mainloop = NULL; crm_trace("Draining mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx)); while(g_main_context_pending(ctx) && lpc < 10) { lpc++; crm_trace("Iteration %d", lpc); g_main_context_dispatch(ctx); } crm_trace("Closing mainloop %d %d", g_main_loop_is_running(mloop), g_main_context_pending(ctx)); g_main_loop_quit(mloop); /* Won't do anything yet, since we're inside it now */ g_main_loop_unref(mloop); crm_trace("Done %d", rc); } /* Graceful */ return rc; } /* A_EXIT_0, A_EXIT_1 */ void do_exit(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int exit_code = pcmk_ok; int log_level = LOG_INFO; const char *exit_type = "gracefully"; if (action & A_EXIT_1) { /* exit_code = pcmk_err_generic; */ log_level = LOG_ERR; exit_type = "forcefully"; exit_code = pcmk_err_generic; } verify_stopped(cur_state, LOG_ERR); do_crm_log(log_level, "Performing %s - %s exiting the CRMd", fsa_action2string(action), exit_type); crm_info("[%s] stopped (%d)", crm_system_name, exit_code); crmd_exit(exit_code); } /* A_STARTUP */ void do_startup(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int was_error = 0; int interval = 1; /* seconds between DC heartbeats */ crm_debug("Registering Signal Handlers"); mainloop_add_signal(SIGTERM, crm_shutdown); fsa_source = mainloop_add_trigger(G_PRIORITY_HIGH, crm_fsa_trigger, NULL); config_read = mainloop_add_trigger(G_PRIORITY_HIGH, crm_read_options, NULL); transition_trigger = mainloop_add_trigger(G_PRIORITY_LOW, te_graph_trigger, NULL); crm_debug("Creating CIB and LRM objects"); fsa_cib_conn = cib_new(); lrm_state_init_local(); /* set up the timers */ transition_timer = calloc(1, sizeof(fsa_timer_t)); integration_timer = calloc(1, sizeof(fsa_timer_t)); finalization_timer = calloc(1, sizeof(fsa_timer_t)); election_trigger = calloc(1, sizeof(fsa_timer_t)); election_timeout = calloc(1, sizeof(fsa_timer_t)); shutdown_escalation_timer = calloc(1, sizeof(fsa_timer_t)); wait_timer = calloc(1, sizeof(fsa_timer_t)); recheck_timer = calloc(1, sizeof(fsa_timer_t)); interval = interval * 1000; if (election_trigger != NULL) { election_trigger->source_id = 0; election_trigger->period_ms = -1; election_trigger->fsa_input = I_DC_TIMEOUT; election_trigger->callback = crm_timer_popped; election_trigger->repeat = FALSE; } else { was_error = TRUE; } if (election_timeout != NULL) { election_timeout->source_id = 0; election_timeout->period_ms = -1; election_timeout->fsa_input = I_ELECTION_DC; election_timeout->callback = crm_timer_popped; election_timeout->repeat = FALSE; } else { was_error = TRUE; } if (transition_timer != NULL) { transition_timer->source_id = 0; transition_timer->period_ms = -1; transition_timer->fsa_input = I_PE_CALC; transition_timer->callback = crm_timer_popped; transition_timer->repeat = FALSE; } else { was_error = TRUE; } if (integration_timer != NULL) { integration_timer->source_id = 0; integration_timer->period_ms = -1; integration_timer->fsa_input = I_INTEGRATED; integration_timer->callback = crm_timer_popped; integration_timer->repeat = FALSE; } else { was_error = TRUE; } if (finalization_timer != NULL) { finalization_timer->source_id = 0; finalization_timer->period_ms = -1; finalization_timer->fsa_input = I_FINALIZED; finalization_timer->callback = crm_timer_popped; finalization_timer->repeat = FALSE; /* for possible enabling... a bug in the join protocol left * a slave in S_PENDING while we think its in S_NOT_DC * * raising I_FINALIZED put us into a transition loop which is * never resolved. * in this loop we continually send probes which the node * NACK's because its in S_PENDING * * if we have nodes where heartbeat is active but the * CRM is not... then this will be handled in the * integration phase */ finalization_timer->fsa_input = I_ELECTION; } else { was_error = TRUE; } if (shutdown_escalation_timer != NULL) { shutdown_escalation_timer->source_id = 0; shutdown_escalation_timer->period_ms = -1; shutdown_escalation_timer->fsa_input = I_STOP; shutdown_escalation_timer->callback = crm_timer_popped; shutdown_escalation_timer->repeat = FALSE; } else { was_error = TRUE; } if (wait_timer != NULL) { wait_timer->source_id = 0; wait_timer->period_ms = 2000; wait_timer->fsa_input = I_NULL; wait_timer->callback = crm_timer_popped; wait_timer->repeat = FALSE; } else { was_error = TRUE; } if (recheck_timer != NULL) { recheck_timer->source_id = 0; recheck_timer->period_ms = -1; recheck_timer->fsa_input = I_PE_CALC; recheck_timer->callback = crm_timer_popped; recheck_timer->repeat = FALSE; } else { was_error = TRUE; } /* set up the sub systems */ cib_subsystem = calloc(1, sizeof(struct crm_subsystem_s)); te_subsystem = calloc(1, sizeof(struct crm_subsystem_s)); pe_subsystem = calloc(1, sizeof(struct crm_subsystem_s)); if (cib_subsystem != NULL) { cib_subsystem->pid = -1; cib_subsystem->name = CRM_SYSTEM_CIB; cib_subsystem->flag_connected = R_CIB_CONNECTED; cib_subsystem->flag_required = R_CIB_REQUIRED; } else { was_error = TRUE; } if (te_subsystem != NULL) { te_subsystem->pid = -1; te_subsystem->name = CRM_SYSTEM_TENGINE; te_subsystem->flag_connected = R_TE_CONNECTED; te_subsystem->flag_required = R_TE_REQUIRED; } else { was_error = TRUE; } if (pe_subsystem != NULL) { pe_subsystem->pid = -1; pe_subsystem->path = CRM_DAEMON_DIR; pe_subsystem->name = CRM_SYSTEM_PENGINE; pe_subsystem->command = CRM_DAEMON_DIR "/" CRM_SYSTEM_PENGINE; pe_subsystem->args = NULL; pe_subsystem->flag_connected = R_PE_CONNECTED; pe_subsystem->flag_required = R_PE_REQUIRED; } else { was_error = TRUE; } if (was_error == FALSE && is_heartbeat_cluster()) { if (start_subsystem(pe_subsystem) == FALSE) { was_error = TRUE; } } if (was_error) { register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } static int32_t crmd_ipc_accept(qb_ipcs_connection_t * c, uid_t uid, gid_t gid) { crm_trace("Connection %p", c); if (crm_client_new(c, uid, gid) == NULL) { return -EIO; } return 0; } static void crmd_ipc_created(qb_ipcs_connection_t * c) { crm_trace("Connection %p", c); } static int32_t crmd_ipc_dispatch(qb_ipcs_connection_t * c, void *data, size_t size) { uint32_t id = 0; uint32_t flags = 0; crm_client_t *client = crm_client_get(c); xmlNode *msg = crm_ipcs_recv(client, data, size, &id, &flags); crm_trace("Invoked: %s", crm_client_name(client)); if (flags & crm_ipc_client_response) { crm_ipcs_send_ack(client, id, "ack", __FUNCTION__, __LINE__); } if (msg == NULL) { return 0; } #if ENABLE_ACL determine_request_user(client->user, msg, F_CRM_USER); #endif crm_trace("Processing msg from %s", crm_client_name(client)); crm_log_xml_trace(msg, "CRMd[inbound]"); crm_xml_add(msg, F_CRM_SYS_FROM, client->id); if (crmd_authorize_message(msg, client, NULL)) { route_message(C_IPC_MESSAGE, msg); } trigger_fsa(fsa_source); free_xml(msg); return 0; } static int32_t crmd_ipc_closed(qb_ipcs_connection_t * c) { crm_client_t *client = crm_client_get(c); struct crm_subsystem_s *the_subsystem = NULL; crm_trace("Connection %p", c); if (client->userdata == NULL) { crm_trace("Client hadn't registered with us yet"); } else if (strcasecmp(CRM_SYSTEM_PENGINE, client->userdata) == 0) { the_subsystem = pe_subsystem; } else if (strcasecmp(CRM_SYSTEM_TENGINE, client->userdata) == 0) { the_subsystem = te_subsystem; } else if (strcasecmp(CRM_SYSTEM_CIB, client->userdata) == 0) { the_subsystem = cib_subsystem; } if (the_subsystem != NULL) { the_subsystem->source = NULL; the_subsystem->client = NULL; crm_info("Received HUP from %s:[%d]", the_subsystem->name, the_subsystem->pid); } else { /* else that was a transient client */ crm_trace("Received HUP from transient client"); } crm_trace("Disconnecting client %s (%p)", crm_client_name(client), client); free(client->userdata); crm_client_destroy(client); trigger_fsa(fsa_source); return 0; } static void crmd_ipc_destroy(qb_ipcs_connection_t * c) { crm_trace("Connection %p", c); } /* A_STOP */ void do_stop(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { if (is_heartbeat_cluster()) { stop_subsystem(pe_subsystem, FALSE); } crm_trace("Closing IPC server"); mainloop_del_ipc_server(ipcs); ipcs = NULL; register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL); } /* A_STARTED */ void do_started(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { static struct qb_ipcs_service_handlers crmd_callbacks = { .connection_accept = crmd_ipc_accept, .connection_created = crmd_ipc_created, .msg_process = crmd_ipc_dispatch, .connection_closed = crmd_ipc_closed, .connection_destroyed = crmd_ipc_destroy }; if (cur_state != S_STARTING) { crm_err("Start cancelled... %s", fsa_state2string(cur_state)); return; } else if (is_set(fsa_input_register, R_MEMBERSHIP) == FALSE) { crm_info("Delaying start, no membership data (%.16llx)", R_MEMBERSHIP); crmd_fsa_stall(TRUE); return; } else if (is_set(fsa_input_register, R_LRM_CONNECTED) == FALSE) { crm_info("Delaying start, LRM not connected (%.16llx)", R_LRM_CONNECTED); crmd_fsa_stall(TRUE); return; } else if (is_set(fsa_input_register, R_CIB_CONNECTED) == FALSE) { crm_info("Delaying start, CIB not connected (%.16llx)", R_CIB_CONNECTED); crmd_fsa_stall(TRUE); return; } else if (is_set(fsa_input_register, R_READ_CONFIG) == FALSE) { crm_info("Delaying start, Config not read (%.16llx)", R_READ_CONFIG); crmd_fsa_stall(TRUE); return; } else if (is_set(fsa_input_register, R_PEER_DATA) == FALSE) { /* try reading from HA */ crm_info("Delaying start, No peer data (%.16llx)", R_PEER_DATA); #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { HA_Message *msg = NULL; crm_trace("Looking for a HA message"); msg = fsa_cluster_conn->llc_ops->readmsg(fsa_cluster_conn, 0); if (msg != NULL) { crm_trace("There was a HA message"); ha_msg_del(msg); } } #endif crmd_fsa_stall(TRUE); return; } crm_debug("Init server comms"); ipcs = crmd_ipc_server_init(&crmd_callbacks); if (ipcs == NULL) { crm_err("Failed to create IPC server: shutting down and inhibiting respawn"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } if (stonith_reconnect == NULL) { int dummy; stonith_reconnect = mainloop_add_trigger(G_PRIORITY_LOW, te_connect_stonith, &dummy); } set_bit(fsa_input_register, R_ST_REQUIRED); mainloop_set_trigger(stonith_reconnect); crm_notice("The local CRM is operational"); clear_bit(fsa_input_register, R_STARTING); register_fsa_input(msg_data->fsa_cause, I_PENDING, NULL); } /* A_RECOVER */ void do_recover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { set_bit(fsa_input_register, R_IN_RECOVERY); crm_warn("Fast-tracking shutdown in response to errors"); register_fsa_input(C_FSA_INTERNAL, I_TERMINATE, NULL); } /* *INDENT-OFF* */ pe_cluster_option crmd_opts[] = { /* name, old-name, validate, default, description */ { "dc-version", NULL, "string", NULL, "none", NULL, "Version of Pacemaker on the cluster's DC.", "Includes the hash which identifies the exact Mercurial changeset it was built from. Used for diagnostic purposes." }, { "cluster-infrastructure", NULL, "string", NULL, "heartbeat", NULL, "The messaging stack on which Pacemaker is currently running.", "Used for informational and diagnostic purposes." }, { XML_CONFIG_ATTR_DC_DEADTIME, "dc_deadtime", "time", NULL, "20s", &check_time, "How long to wait for a response from other nodes during startup.", "The \"correct\" value will depend on the speed/load of your network and the type of switches used." }, { XML_CONFIG_ATTR_RECHECK, "cluster_recheck_interval", "time", "Zero disables polling. Positive values are an interval in seconds (unless other SI units are specified. eg. 5min)", "15min", &check_timer, "Polling interval for time based changes to options, resource parameters and constraints.", "The Cluster is primarily event driven, however the configuration can have elements that change based on time." " To ensure these changes take effect, we can optionally poll the cluster's status for changes." }, { XML_CONFIG_ATTR_ELECTION_FAIL, "election_timeout", "time", NULL, "2min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." }, { XML_CONFIG_ATTR_FORCE_QUIT, "shutdown_escalation", "time", NULL, "20min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." }, { "crmd-integration-timeout", NULL, "time", NULL, "3min", &check_timer, "*** Advanced Use Only ***.", "If need to adjust this value, it probably indicates the presence of a bug." }, { "crmd-finalization-timeout", NULL, "time", NULL, "30min", &check_timer, "*** Advanced Use Only ***.", "If you need to adjust this value, it probably indicates the presence of a bug." }, { "crmd-transition-delay", NULL, "time", NULL, "0s", &check_timer, "*** Advanced Use Only ***\nEnabling this option will slow down cluster recovery under all conditions", "Delay cluster recovery for the configured interval to allow for additional/related events to occur.\nUseful if your configuration is sensitive to the order in which ping updates arrive." }, { XML_ATTR_EXPECTED_VOTES, NULL, "integer", NULL, "2", &check_number, "The number of nodes expected to be in the cluster", "Used to calculate quorum in openais based clusters." }, }; /* *INDENT-ON* */ void crmd_metadata(void) { config_metadata("CRM Daemon", "1.0", "CRM Daemon Options", "This is a fake resource that details the options that can be configured for the CRM Daemon.", crmd_opts, DIMOF(crmd_opts)); } static void verify_crmd_options(GHashTable * options) { verify_all_options(options, crmd_opts, DIMOF(crmd_opts)); } static const char * crmd_pref(GHashTable * options, const char *name) { return get_cluster_pref(options, crmd_opts, DIMOF(crmd_opts), name); } static void config_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { const char *value = NULL; GHashTable *config_hash = NULL; crm_time_t *now = crm_time_new(NULL); if (rc != pcmk_ok) { fsa_data_t *msg_data = NULL; crm_err("Local CIB query resulted in an error: %s", pcmk_strerror(rc)); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); if (rc == -EACCES || rc == -pcmk_err_dtd_validation) { crm_err("The cluster is mis-configured - shutting down and staying down"); set_bit(fsa_input_register, R_STAYDOWN); } goto bail; } crm_debug("Call %d : Parsing CIB options", call_id); config_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); unpack_instance_attributes(output, output, XML_CIB_TAG_PROPSET, NULL, config_hash, CIB_OPTIONS_FIRST, FALSE, now); verify_crmd_options(config_hash); value = crmd_pref(config_hash, XML_CONFIG_ATTR_DC_DEADTIME); election_trigger->period_ms = crm_get_msec(value); value = crmd_pref(config_hash, XML_CONFIG_ATTR_FORCE_QUIT); shutdown_escalation_timer->period_ms = crm_get_msec(value); crm_debug("Shutdown escalation occurs after: %dms", shutdown_escalation_timer->period_ms); value = crmd_pref(config_hash, XML_CONFIG_ATTR_ELECTION_FAIL); election_timeout->period_ms = crm_get_msec(value); value = crmd_pref(config_hash, XML_CONFIG_ATTR_RECHECK); recheck_timer->period_ms = crm_get_msec(value); crm_debug("Checking for expired actions every %dms", recheck_timer->period_ms); value = crmd_pref(config_hash, "crmd-transition-delay"); transition_timer->period_ms = crm_get_msec(value); value = crmd_pref(config_hash, "crmd-integration-timeout"); integration_timer->period_ms = crm_get_msec(value); value = crmd_pref(config_hash, "crmd-finalization-timeout"); finalization_timer->period_ms = crm_get_msec(value); #if SUPPORT_COROSYNC if (is_classic_ais_cluster()) { value = crmd_pref(config_hash, XML_ATTR_EXPECTED_VOTES); crm_debug("Sending expected-votes=%s to corosync", value); send_cluster_text(crm_class_quorum, value, TRUE, NULL, crm_msg_ais); } #endif set_bit(fsa_input_register, R_READ_CONFIG); crm_trace("Triggering FSA: %s", __FUNCTION__); mainloop_set_trigger(fsa_source); g_hash_table_destroy(config_hash); bail: crm_time_free(now); } gboolean crm_read_options(gpointer user_data) { int call_id = fsa_cib_conn->cmds->query(fsa_cib_conn, XML_CIB_TAG_CRMCONFIG, NULL, cib_scope_local); fsa_register_cib_callback(call_id, FALSE, NULL, config_query_callback); crm_trace("Querying the CIB... call %d", call_id); return TRUE; } /* A_READCONFIG */ void do_read_config(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { mainloop_set_trigger(config_read); } void crm_shutdown(int nsig) { if (crmd_mainloop != NULL && g_main_is_running(crmd_mainloop)) { if (is_set(fsa_input_register, R_SHUTDOWN)) { crm_err("Escalating the shutdown"); register_fsa_input_before(C_SHUTDOWN, I_ERROR, NULL); } else { set_bit(fsa_input_register, R_SHUTDOWN); register_fsa_input(C_SHUTDOWN, I_SHUTDOWN, NULL); if (shutdown_escalation_timer->period_ms < 1) { const char *value = crmd_pref(NULL, XML_CONFIG_ATTR_FORCE_QUIT); int msec = crm_get_msec(value); crm_debug("Using default shutdown escalation: %dms", msec); shutdown_escalation_timer->period_ms = msec; } /* cant rely on this... */ crm_notice("Requesting shutdown, upper limit is %dms", shutdown_escalation_timer->period_ms); crm_timer_start(shutdown_escalation_timer); } } else { crm_info("exit from shutdown"); crmd_exit(pcmk_ok); } } pacemaker-master/crmd/corosync.c000066400000000000000000000141051217637305600172420ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include extern void post_cache_update(int seq); extern void crmd_ha_connection_destroy(gpointer user_data); /* A_HA_CONNECT */ #if SUPPORT_COROSYNC static void crmd_cs_dispatch(cpg_handle_t handle, const struct cpg_name *groupName, uint32_t nodeid, uint32_t pid, void *msg, size_t msg_len) { int seq = 0; xmlNode *xml = NULL; const char *seq_s = NULL; crm_node_t *peer = NULL; enum crm_proc_flag flag = crm_proc_cpg; uint32_t kind = 0; const char *from = NULL; char *data = pcmk_message_common_cs(handle, nodeid, pid, msg, &kind, &from); if(data == NULL) { return; } xml = string2xml(data); if (xml == NULL) { crm_err("Could not parse message content (%d): %.100s", kind, data); free(data); return; } switch (kind) { case crm_class_members: seq_s = crm_element_value(xml, "id"); seq = crm_int_helper(seq_s, NULL); set_bit(fsa_input_register, R_PEER_DATA); post_cache_update(seq); /* fall through */ case crm_class_quorum: crm_update_quorum(crm_have_quorum, FALSE); if (AM_I_DC) { const char *votes = crm_element_value(xml, "expected"); if (votes == NULL || check_number(votes) == FALSE) { crm_log_xml_err(xml, "Invalid quorum/membership update"); } else { int rc = update_attr_delegate(fsa_cib_conn, cib_quorum_override | cib_scope_local | cib_inhibit_notify, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL, XML_ATTR_EXPECTED_VOTES, votes, FALSE, NULL); crm_info("Setting expected votes to %s", votes); if (pcmk_ok > rc) { crm_err("Quorum update failed: %s", pcmk_strerror(rc)); } } } break; case crm_class_cluster: crm_xml_add(xml, F_ORIG, from); /* crm_xml_add_int(xml, F_SEQ, wrapper->id); Fake? */ if (is_heartbeat_cluster()) { flag = crm_proc_heartbeat; } else if (is_classic_ais_cluster()) { flag = crm_proc_plugin; } peer = crm_get_peer(0, from); if (is_not_set(peer->processes, flag)) { /* If we can still talk to our peer process on that node, * then its also part of the corosync membership */ crm_warn("Recieving messages from a node we think is dead: %s[%d]", peer->uname, peer->id); crm_update_peer_proc(__FUNCTION__, peer, flag, ONLINESTATUS); } crmd_ha_msg_filter(xml); break; case crm_class_rmpeer: /* Ignore */ break; case crm_class_notify: case crm_class_nodeid: crm_err("Unexpected message class (%d): %.100s", kind, data); break; default: crm_err("Invalid message class (%d): %.100s", kind, data); } free(data); free_xml(xml); } static gboolean crmd_cman_dispatch(unsigned long long seq, gboolean quorate) { crm_update_quorum(quorate, FALSE); post_cache_update(seq); return TRUE; } static void crmd_quorum_destroy(gpointer user_data) { if (is_not_set(fsa_input_register, R_HA_DISCONNECTED)) { crm_err("connection terminated"); crmd_exit(ENOLINK); } else { crm_info("connection closed"); } } static void crmd_cs_destroy(gpointer user_data) { if (is_not_set(fsa_input_register, R_HA_DISCONNECTED)) { crm_err("connection terminated"); crmd_exit(ENOLINK); } else { crm_info("connection closed"); } } # if SUPPORT_CMAN static void crmd_cman_destroy(gpointer user_data) { if (is_not_set(fsa_input_register, R_HA_DISCONNECTED)) { crm_err("connection terminated"); crmd_exit(ENOLINK); } else { crm_info("connection closed"); } } # endif extern gboolean crm_connect_corosync(crm_cluster_t * cluster); gboolean crm_connect_corosync(crm_cluster_t * cluster) { gboolean rc = FALSE; if (is_openais_cluster()) { crm_set_status_callback(&peer_update_callback); cluster->cpg.cpg_deliver_fn = crmd_cs_dispatch; cluster->cpg.cpg_confchg_fn = pcmk_cpg_membership; cluster->destroy = crmd_cs_destroy; rc = crm_cluster_connect(cluster); } if (rc && is_corosync_cluster()) { cluster_connect_quorum(crmd_cman_dispatch, crmd_quorum_destroy); } # if SUPPORT_CMAN if (rc && is_cman_cluster()) { init_cman_connection(crmd_cman_dispatch, crmd_cman_destroy); set_bit(fsa_input_register, R_MEMBERSHIP); } # endif return rc; } #endif pacemaker-master/crmd/crmd.c000066400000000000000000000014231217637305600163270ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ pacemaker-master/crmd/crmd.h000066400000000000000000000021441217637305600163350ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CRMD__H # define CRMD__H # define SYS_NAME CRM_SYSTEM_CRMD # define PID_FILE WORKING_DIR "/"SYS_NAME".pid" # define DAEMON_LOG DEVEL_DIR"/"SYS_NAME".log" # define DAEMON_DEBUG DEVEL_DIR"/"SYS_NAME".debug" extern GMainLoop *crmd_mainloop; extern GHashTable *ipc_clients; extern void crmd_metadata(void); #endif pacemaker-master/crmd/crmd_callbacks.h000066400000000000000000000032301217637305600203310ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include extern void crmd_ha_msg_filter(xmlNode * msg); /* * Apparently returning TRUE means "stay connected, keep doing stuff". * Returning FALSE means "we're all done, close the connection" */ extern void crmd_ipc_connection_destroy(gpointer user_data); extern void crmd_ha_status_callback(const char *node, const char *status, void *private_data); extern void crmd_client_status_callback(const char *node, const char *client, const char *status, void *private); extern void msg_ccm_join(const xmlNode * msg, void *foo); extern void crmd_cib_connection_destroy(gpointer user_data); extern gboolean crm_fsa_trigger(gpointer user_data); extern void peer_update_callback(enum crm_status_type type, crm_node_t * node, const void *data); #if SUPPORT_HEARTBEAT void crmd_ha_msg_callback(HA_Message * hamsg, void *private_data); #endif pacemaker-master/crmd/crmd_dsa.dot000066400000000000000000000046001217637305600175220ustar00rootroot00000000000000digraph "g" { graph [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" bb = "0,0,398.922306,478.927856" color = "black" ] node [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" shape = "ellipse" color = "black" ] edge [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" color = "black" ] // special nodes "S_STARTING" [ color = "blue" fontcolor = "blue" ] "S_TERMINATE" [ color = "red" fontcolor = "red" ] // DC only nodes "S_RECOVERY_DC" [ fontcolor = "green" ] "S_INTEGRATION" [ fontcolor = "green" ] "S_POLICY_ENGINE" [ fontcolor = "green" ] "S_TRANSITION_ENGINE" [ fontcolor = "green" ] "S_RELEASE_DC" [ fontcolor = "green" ] "S_" [ fontcolor = "green" ] "S_IDLE" [ fontcolor = "green" ] // state transitions "S_" -> "S_ELECTION" [ label = "I_DC_TIMEOUT" ] "S_" -> "S_RECOVERY" [ label = "I_ERROR" ] "S_" -> "S_" [ label = "I_ROUTER,\nI_REQUEST" ] "S_" -> "S_RELEASE_DC" [ label = "I_SHUTDOWN" ] "S_" -> "S_INTEGRATION" [ label = "I_NODE_JOIN" ] "S_" -> "S_POLICY_ENGINE" [ label = "I_CIB_UPDATE,\nI_NODE_LEFT,\nI_NODE_LEAVING" ] "S_" -> "S_RECOVERY_DC" [ label = "I_ERROR" ] "S_" -> "S_" [ label = "I_ROUTER,\nI_REQUEST" ] "S_ELECTION" -> "S_INTEGRATION" [ label = "I_ELECTION_DC" ] "S_ELECTION" -> "S_NOT_DC" [ label = "I_NOT_DC" ] "S_ELECTION" -> "S_RELEASE_DC" [ label = "I_ELECTION_RELEASE_DC" ] "S_INTEGRATION" -> "S_POLICY_ENGINE" [ label = "I_SUCCESS" ] "S_NOT_DC" -> "S_STOPPING" [ label = "I_SHUTDOWN" ] "S_POLICY_ENGINE" -> "S_TRANSITION_ENGINE" [ label = "I_SUCCESS" ] "S_POLICY_ENGINE" -> "S_POLICY_ENGINE" [ label = "I_FAIL\nI_RESTART" ] "S_RECOVERY_DC" -> "S_INTEGRATION" [ label = "I_RECOVERED" ] "S_RECOVERY_DC" -> "S_RELEASE_DC" [ label = "I_NOT_DC,\nI_SHUTDOWN" ] "S_RECOVERY" -> "S_STOPPING" [ label = "I_SHUTDOWN" ] "S_RECOVERY" -> "S_NOT_DC" [ label = "I_RECOVERED" ] "S_RELEASE_DC" -> "S_NOT_DC" [ label = "I_RELEASE_SUCCESS" ] "S_RELEASE_DC" -> "S_STOPPING" [ label = "I_RELEASE_FAIL" ] "S_STARTING" -> "S_STOPPING" [ label = "I_FAIL" ] "S_STARTING" -> "S_NOT_DC" [ label = "I_SUCCESS" ] "S_STOPPING" -> "S_TERMINATE" [ label = "I_SUCCESS,\nI_FAIL" ] "S_TRANSITION_ENGINE" -> "S_POLICY_ENGINE" [ label = "I_FAIL" ] "S_TRANSITION_ENGINE" -> "S_IDLE" [ label = "I_SUCCESS" ] } pacemaker-master/crmd/crmd_fsa.h000066400000000000000000000075641217637305600172010ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CRMD_FSA__H # define CRMD_FSA__H # include # include # include # include # include # include # include # if SUPPORT_HEARTBEAT extern ll_cluster_t *fsa_cluster_conn; # endif /* copy from struct client_child in heartbeat.h * * Plus a couple of other things */ struct crm_subsystem_s { pid_t pid; /* Process id of child process */ const char *name; /* executable name */ const char *path; /* Command location */ const char *command; /* Command with path */ const char *args; /* Command arguments */ crm_client_t *client; /* Client connection object */ gboolean sent_kill; mainloop_io_t *source; /* How can we communicate with it */ long long flag_connected; /* */ long long flag_required; /* */ }; typedef struct fsa_timer_s fsa_timer_t; struct fsa_timer_s { guint source_id; /* timer source id */ int period_ms; /* timer period */ enum crmd_fsa_input fsa_input; gboolean(*callback) (gpointer data); gboolean repeat; int counter; }; enum fsa_data_type { fsa_dt_none, fsa_dt_ha_msg, fsa_dt_xml, fsa_dt_lrm, }; typedef struct fsa_data_s fsa_data_t; struct fsa_data_s { int id; enum crmd_fsa_input fsa_input; enum crmd_fsa_cause fsa_cause; long long actions; const char *origin; void *data; enum fsa_data_type data_type; }; extern enum crmd_fsa_state s_crmd_fsa(enum crmd_fsa_cause cause); /* Global FSA stuff */ extern volatile gboolean do_fsa_stall; extern volatile enum crmd_fsa_state fsa_state; extern volatile long long fsa_input_register; extern volatile long long fsa_actions; extern cib_t *fsa_cib_conn; extern char *fsa_our_uname; extern char *fsa_our_uuid; extern char *fsa_pe_ref; /* the last invocation of the PE */ extern char *fsa_our_dc; extern char *fsa_our_dc_version; extern GListPtr fsa_message_queue; extern fsa_timer_t *election_trigger; /* */ extern fsa_timer_t *election_timeout; /* */ extern fsa_timer_t *shutdown_escalation_timer; /* */ extern fsa_timer_t *transition_timer; extern fsa_timer_t *integration_timer; extern fsa_timer_t *finalization_timer; extern fsa_timer_t *wait_timer; extern fsa_timer_t *recheck_timer; extern crm_trigger_t *fsa_source; extern crm_trigger_t *config_read; extern struct crm_subsystem_s *cib_subsystem; extern struct crm_subsystem_s *te_subsystem; extern struct crm_subsystem_s *pe_subsystem; /* these two should be moved elsewhere... */ extern void do_update_cib_nodes(gboolean overwrite, const char *caller); extern gboolean do_dc_heartbeat(gpointer data); # define AM_I_DC is_set(fsa_input_register, R_THE_DC) # define AM_I_OPERATIONAL (is_set(fsa_input_register, R_STARTING)==FALSE) extern unsigned long long saved_ccm_membership_id; extern gboolean ever_had_quorum; # include # include # define trigger_fsa(source) crm_trace("Triggering FSA: %s", __FUNCTION__); \ mainloop_set_trigger(source); #endif pacemaker-master/crmd/crmd_lrm.h000066400000000000000000000125311217637305600172100ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ extern gboolean verify_stopped(enum crmd_fsa_state cur_state, int log_level); extern void lrm_clear_last_failure(const char *rsc_id, const char *node_name); void lrm_op_callback(lrmd_event_data_t * op); typedef struct resource_history_s { char *id; uint32_t last_callid; lrmd_rsc_info_t rsc; lrmd_event_data_t *last; lrmd_event_data_t *failed; GList *recurring_op_list; /* Resources must be stopped using the same * parameters they were started with. This hashtable * holds the parameters that should be used for the next stop * cmd on this resource. */ GHashTable *stop_params; } rsc_history_t; struct recurring_op_s { char *rsc_id; char *op_type; char *op_key; int call_id; int interval; gboolean remove; gboolean cancelled; }; typedef struct lrm_state_s { const char *node_name; /* reserved for lrm_state.c usage only */ void *conn; /* reserved for remote_lrmd_ra.c usage only */ void *remote_ra_data; GHashTable *resource_history; GHashTable *pending_ops; GHashTable *deletion_ops; int num_lrm_register_fails; } lrm_state_t; struct pending_deletion_op_s { char *rsc; ha_msg_input_t *input; }; xmlNode *do_lrm_query_internal(lrm_state_t * lrm_state, gboolean is_replace); /*! * \brief Clear all state information from a single state entry. * \note This does not close the lrmd connection */ void lrm_state_reset_tables(lrm_state_t * lrm_state); GList *lrm_state_get_list(void); /*! * \brief Initiate internal state tables */ gboolean lrm_state_init_local(void); /*! * \brief Destroy all state entries and internal state tables */ void lrm_state_destroy_all(void); /*! * \brief Create lrmd connection entry. */ lrm_state_t *lrm_state_create(const char *node_name); /*! * \brief Destroy lrmd connection keyed of node name */ void lrm_state_destroy(const char *node_name); /*! * \brief Find lrm_state data by node name */ lrm_state_t *lrm_state_find(const char *node_name); /*! * \brief Either find or create a new entry */ lrm_state_t *lrm_state_find_or_create(const char *node_name); /*! * The functions below are wrappers for the lrmd api calls the crmd * uses. These wrapper functions allow us to treat the crmd's remote * lrmd connection resources the same as regular resources. Internally * Regular resources go to the lrmd, and remote connection resources are * handled locally in the crmd. */ void lrm_state_disconnect(lrm_state_t * lrm_state); int lrm_state_ipc_connect(lrm_state_t * lrm_state); int lrm_state_remote_connect_async(lrm_state_t * lrm_state, const char *server, int port, int timeout); int lrm_state_is_connected(lrm_state_t * lrm_state); int lrm_state_poke_connection(lrm_state_t * lrm_state); int lrm_state_get_metadata(lrm_state_t * lrm_state, const char *class, const char *provider, const char *agent, char **output, enum lrmd_call_options options); int lrm_state_cancel(lrm_state_t * lrm_state, const char *rsc_id, const char *action, int interval); int lrm_state_exec(lrm_state_t * lrm_state, const char *rsc_id, const char *action, const char *userdata, int interval, /* ms */ int timeout, /* ms */ int start_delay, /* ms */ lrmd_key_value_t * params); lrmd_rsc_info_t *lrm_state_get_rsc_info(lrm_state_t * lrm_state, const char *rsc_id, enum lrmd_call_options options); int lrm_state_register_rsc(lrm_state_t * lrm_state, const char *rsc_id, const char *class, const char *provider, const char *agent, enum lrmd_call_options options); int lrm_state_unregister_rsc(lrm_state_t * lrm_state, const char *rsc_id, enum lrmd_call_options options); /*! These functions are used to manage the remote lrmd connection resources */ void remote_lrm_op_callback(lrmd_event_data_t * op); gboolean is_remote_lrmd_ra(const char *agent, const char *provider, const char *id); lrmd_rsc_info_t *remote_ra_get_rsc_info(lrm_state_t * lrm_state, const char *rsc_id); int remote_ra_cancel(lrm_state_t * lrm_state, const char *rsc_id, const char *action, int interval); int remote_ra_exec(lrm_state_t * lrm_state, const char *rsc_id, const char *action, const char *userdata, int interval, /* ms */ int timeout, /* ms */ int start_delay, /* ms */ lrmd_key_value_t * params); void remote_ra_cleanup(lrm_state_t * lrm_state); pacemaker-master/crmd/crmd_messages.h000066400000000000000000000115251217637305600202270ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef XML_CRM_MESSAGES__H # define XML_CRM_MESSAGES__H # include # include # include # include # include typedef struct ha_msg_input_s { xmlNode *msg; xmlNode *xml; } ha_msg_input_t; extern ha_msg_input_t *new_ha_msg_input(xmlNode * orig); extern void delete_ha_msg_input(ha_msg_input_t * orig); extern void *fsa_typed_data_adv(fsa_data_t * fsa_data, enum fsa_data_type a_type, const char *caller); # define fsa_typed_data(x) fsa_typed_data_adv(msg_data, x, __FUNCTION__) extern void register_fsa_error_adv(enum crmd_fsa_cause cause, enum crmd_fsa_input input, fsa_data_t * cur_data, void *new_data, const char *raised_from); # define register_fsa_error(cause, input, new_data) register_fsa_error_adv(cause, input, msg_data, new_data, __FUNCTION__) extern int register_fsa_input_adv(enum crmd_fsa_cause cause, enum crmd_fsa_input input, void *data, long long with_actions, gboolean prepend, const char *raised_from); extern void fsa_dump_queue(int log_level); extern void route_message(enum crmd_fsa_cause cause, xmlNode * input); # define crmd_fsa_stall(suppress) do { \ if(suppress == FALSE && msg_data != NULL) { \ register_fsa_input_adv( \ ((fsa_data_t*)msg_data)->fsa_cause, I_WAIT_FOR_EVENT, \ ((fsa_data_t*)msg_data)->data, action, TRUE, __FUNCTION__); \ } else { \ register_fsa_input_adv( \ C_FSA_INTERNAL, I_WAIT_FOR_EVENT, \ NULL, action, TRUE, __FUNCTION__); \ } \ } while(0) # define register_fsa_input(cause, input, data) register_fsa_input_adv(cause, input, data, A_NOTHING, FALSE, __FUNCTION__) # define register_fsa_action(action) { \ fsa_actions |= action; \ if(fsa_source) { \ mainloop_set_trigger(fsa_source); \ } \ crm_debug("%s added action %s to the FSA", \ __FUNCTION__, fsa_action2string(action)); \ } # define register_fsa_input_before(cause, input, data) register_fsa_input_adv(cause, input, data, A_NOTHING, TRUE, __FUNCTION__) # define register_fsa_input_later(cause, input, data) register_fsa_input_adv(cause, input, data, A_NOTHING, FALSE, __FUNCTION__) void delete_fsa_input(fsa_data_t * fsa_data); GListPtr put_message(fsa_data_t * new_message); fsa_data_t *get_message(void); gboolean is_message(void); gboolean have_wait_message(void); extern gboolean relay_message(xmlNode * relay_message, gboolean originated_locally); extern void process_message(xmlNode * msg, gboolean originated_locally, const char *src_node_name); extern gboolean crm_dc_process_message(xmlNode * whole_message, xmlNode * action, const char *host_from, const char *sys_from, const char *sys_to, const char *op, gboolean dc_mode); extern gboolean send_msg_via_ipc(xmlNode * msg, const char *sys); extern gboolean add_pending_outgoing_reply(const char *originating_node_name, const char *crm_msg_reference, const char *sys_to, const char *sys_from); gboolean crmd_is_proxy_session(const char *session); void crmd_proxy_send(const char *session, xmlNode *msg); extern gboolean crmd_authorize_message(xmlNode * client_msg, crm_client_t * curr_client, const char *proxy_session); extern gboolean send_request(xmlNode * msg, char **msg_reference); extern enum crmd_fsa_input handle_message(xmlNode * stored_msg, enum crmd_fsa_cause cause); extern ha_msg_input_t *copy_ha_msg_input(ha_msg_input_t * orig); #endif pacemaker-master/crmd/crmd_utils.h000066400000000000000000000107671217637305600175670ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CRMD_UTILS__H # define CRMD_UTILS__H # include # include # include /* For CIB_OP_MODIFY */ # define CLIENT_EXIT_WAIT 30 # define FAKE_TE_ID "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" # define fsa_cib_delete(section, data, options, call_id, user_name) \ if(fsa_cib_conn != NULL) { \ call_id = cib_internal_op( \ fsa_cib_conn, CIB_OP_DELETE, NULL, section, data, \ NULL, options, user_name); \ \ } else { \ crm_err("No CIB connection available"); \ } # define fsa_cib_update(section, data, options, call_id, user_name) \ if(fsa_cib_conn != NULL) { \ call_id = cib_internal_op( \ fsa_cib_conn, CIB_OP_MODIFY, NULL, section, data, \ NULL, options, user_name); \ \ } else { \ crm_err("No CIB connection available"); \ } # define fsa_cib_anon_update(section, data, options) \ if(fsa_cib_conn != NULL) { \ fsa_cib_conn->cmds->modify( \ fsa_cib_conn, section, data, options); \ \ } else { \ crm_err("No CIB connection available"); \ } extern gboolean fsa_has_quorum; extern int last_peer_update; extern int last_resource_update; enum node_update_flags { node_update_none = 0x0000, node_update_quick = 0x0001, node_update_cluster = 0x0010, node_update_peer = 0x0020, node_update_join = 0x0040, node_update_expected = 0x0100, }; gboolean crm_timer_stop(fsa_timer_t * timer); gboolean crm_timer_start(fsa_timer_t * timer); gboolean crm_timer_popped(gpointer data); gboolean is_timer_started(fsa_timer_t * timer); xmlNode *create_node_state(const char *uname, const char *in_cluster, const char *is_peer, const char *join_state, const char *exp_state, gboolean clear_shutdown, const char *src); int crmd_exit(int rc); int crmd_fast_exit(int rc); gboolean stop_subsystem(struct crm_subsystem_s *centry, gboolean force_quit); gboolean start_subsystem(struct crm_subsystem_s *centry); void fsa_dump_actions(long long action, const char *text); void fsa_dump_inputs(int log_level, const char *text, long long input_register); gboolean update_dc(xmlNode * msg); void crm_update_peer_join(const char *source, crm_node_t * node, enum crm_join_phase phase); xmlNode *do_update_node_cib(crm_node_t * node, int flags, xmlNode * parent, const char *source); void populate_cib_nodes(enum node_update_flags flags, const char *source); void crm_update_quorum(gboolean quorum, gboolean force_update); void erase_status_tag(const char *uname, const char *tag, int options); void update_attrd(const char *host, const char *name, const char *value, const char *user_name, gboolean is_remote_node); int crmd_join_phase_count(enum crm_join_phase phase); void crmd_join_phase_log(int level); const char *get_timer_desc(fsa_timer_t * timer); gboolean too_many_st_failures(void); void st_fail_count_reset(const char * target); # define fsa_register_cib_callback(id, flag, data, fn) do { \ fsa_cib_conn->cmds->register_callback( \ fsa_cib_conn, id, 10 * (1 + crm_active_peers()), \ flag, data, #fn, fn); \ } while(0) # define start_transition(state) do { \ switch(state) { \ case S_TRANSITION_ENGINE: \ register_fsa_action(A_TE_CANCEL); \ break; \ case S_POLICY_ENGINE: \ case S_IDLE: \ register_fsa_input(C_FSA_INTERNAL, I_PE_CALC, NULL); \ break; \ default: \ crm_debug("NOT starting a new transition in state %s", \ fsa_state2string(fsa_state)); \ break; \ } \ } while(0) #endif pacemaker-master/crmd/election.c000066400000000000000000000441111217637305600172050ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #define STORM_INTERVAL 2 /* in seconds */ #define STORM_MULTIPLIER 5 /* multiplied by the number of nodes */ GHashTable *voted = NULL; uint highest_born_on = -1; static int current_election_id = 1; static int crm_uptime(struct timeval *output) { static time_t expires = 0; static struct rusage info; time_t tm_now = time(NULL); if (expires < tm_now) { int rc = getrusage(RUSAGE_SELF, &info); output->tv_sec = 0; output->tv_usec = 0; if (rc < 0) { crm_perror(LOG_ERR, "Could not calculate the current uptime"); expires = 0; return -1; } crm_debug("Current CPU usage is: %lds, %ldus", (long)info.ru_utime.tv_sec, (long)info.ru_utime.tv_usec); } expires = tm_now + STORM_INTERVAL; /* N seconds after the last _access_ */ output->tv_sec = info.ru_utime.tv_sec; output->tv_usec = info.ru_utime.tv_usec; return 1; } static int crm_compare_age(struct timeval your_age) { struct timeval our_age; if (crm_uptime(&our_age) < 0) { return -1; } /* We want these times to be "significantly" different */ if (our_age.tv_sec > your_age.tv_sec) { crm_debug("Win: %ld vs %ld (seconds)", (long)our_age.tv_sec, (long)your_age.tv_sec); return 1; } else if (our_age.tv_sec < your_age.tv_sec) { crm_debug("Loose: %ld vs %ld (seconds)", (long)our_age.tv_sec, (long)your_age.tv_sec); return -1; } else if (our_age.tv_usec > your_age.tv_usec) { crm_debug("Win: %ld.%ld vs %ld.%ld (usec)", (long)our_age.tv_sec, (long)our_age.tv_usec, (long)your_age.tv_sec, (long)your_age.tv_usec); return 1; } else if (our_age.tv_usec < your_age.tv_usec) { crm_debug("Loose: %ld.%ld vs %ld.%ld (usec)", (long)our_age.tv_sec, (long)our_age.tv_usec, (long)your_age.tv_sec, (long)your_age.tv_usec); return -1; } return 0; } /* A_ELECTION_VOTE */ void do_election_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { struct timeval age; xmlNode *vote = NULL; gboolean not_voting = FALSE; /* don't vote if we're in one of these states or wanting to shut down */ switch (cur_state) { case S_STARTING: case S_RECOVERY: case S_STOPPING: case S_TERMINATE: crm_warn("Not voting in election, we're in state %s", fsa_state2string(cur_state)); not_voting = TRUE; break; default: break; } if (not_voting == FALSE) { if (is_set(fsa_input_register, R_STARTING)) { not_voting = TRUE; } } if (not_voting) { if (AM_I_DC) { register_fsa_input(C_FSA_INTERNAL, I_RELEASE_DC, NULL); } else { register_fsa_input(C_FSA_INTERNAL, I_PENDING, NULL); } return; } vote = create_request(CRM_OP_VOTE, NULL, NULL, CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL); current_election_id++; crm_xml_add(vote, F_CRM_ELECTION_OWNER, fsa_our_uuid); crm_xml_add_int(vote, F_CRM_ELECTION_ID, current_election_id); crm_uptime(&age); crm_xml_add_int(vote, F_CRM_ELECTION_AGE_S, age.tv_sec); crm_xml_add_int(vote, F_CRM_ELECTION_AGE_US, age.tv_usec); send_cluster_message(NULL, crm_msg_crmd, vote, TRUE); free_xml(vote); crm_debug("Started election %d", current_election_id); if (voted) { g_hash_table_destroy(voted); } voted = NULL; if (cur_state == S_ELECTION || cur_state == S_RELEASE_DC) { crm_timer_start(election_timeout); } else if (cur_state != S_INTEGRATION) { crm_err("Broken? Voting in state %s", fsa_state2string(cur_state)); } return; } char *dc_hb_msg = NULL; int beat_num = 0; gboolean do_dc_heartbeat(gpointer data) { return TRUE; } struct election_data_s { const char *winning_uname; unsigned int winning_bornon; }; void do_election_check(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int voted_size = 0; int num_members = crm_active_peers(); if (voted) { voted_size = g_hash_table_size(voted); } /* in the case of #voted > #members, it is better to * wait for the timeout and give the cluster time to * stabilize */ if (fsa_state != S_ELECTION) { crm_debug("Ignore election check: we not in an election"); } else if (voted_size >= num_members) { /* we won and everyone has voted */ crm_timer_stop(election_timeout); register_fsa_input(C_FSA_INTERNAL, I_ELECTION_DC, NULL); if (voted_size > num_members) { GHashTableIter gIter; const crm_node_t *node; char *key = NULL; g_hash_table_iter_init(&gIter, crm_peer_cache); while (g_hash_table_iter_next(&gIter, NULL, (gpointer *) & node)) { if (crm_is_peer_active(node)) { crm_err("member: %s proc=%.32x", node->uname, node->processes); } } g_hash_table_iter_init(&gIter, voted); while (g_hash_table_iter_next(&gIter, (gpointer *) & key, NULL)) { crm_err("voted: %s", key); } } crm_debug("Destroying voted hash"); g_hash_table_destroy(voted); voted = NULL; } else { crm_debug("Still waiting on %d non-votes (%d total)", num_members - voted_size, num_members); } return; } #define loss_dampen 2 /* in seconds */ /* A_ELECTION_COUNT */ void do_election_count_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int age = 0; int election_id = -1; int log_level = LOG_INFO; gboolean use_born_on = FALSE; gboolean done = FALSE; gboolean we_loose = FALSE; const char *op = NULL; const char *vote_from = NULL; const char *election_owner = NULL; const char *reason = "unknown"; crm_node_t *our_node = NULL, *your_node = NULL; ha_msg_input_t *vote = fsa_typed_data(fsa_dt_ha_msg); static int election_wins = 0; time_t tm_now = time(NULL); static time_t expires = 0; static time_t last_election_loss = 0; /* if the membership copy is NULL we REALLY shouldnt be voting * the question is how we managed to get here. */ CRM_CHECK(msg_data != NULL, return); CRM_CHECK(vote != NULL, crm_err("Bogus data from %s", msg_data->origin); return); CRM_CHECK(vote->msg != NULL, crm_err("Bogus data from %s", msg_data->origin); return); if(crm_peer_cache == NULL) { if(is_not_set(fsa_input_register, R_SHUTDOWN)) { crm_err("Internal error, no peer cache"); } return; } op = crm_element_value(vote->msg, F_CRM_TASK); vote_from = crm_element_value(vote->msg, F_CRM_HOST_FROM); election_owner = crm_element_value(vote->msg, F_CRM_ELECTION_OWNER); crm_element_value_int(vote->msg, F_CRM_ELECTION_ID, &election_id); CRM_CHECK(vote_from != NULL, vote_from = fsa_our_uname); your_node = crm_get_peer(0, vote_from); our_node = crm_get_peer(0, fsa_our_uname); if (voted == NULL) { crm_debug("Created voted hash"); voted = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); } if (is_heartbeat_cluster()) { use_born_on = TRUE; } else if (is_classic_ais_cluster()) { use_born_on = TRUE; } if (cur_state == S_STARTING) { reason = "Still starting"; we_loose = TRUE; } else if (our_node == NULL || crm_is_peer_active(our_node) == FALSE) { reason = "We are not part of the cluster"; log_level = LOG_ERR; we_loose = TRUE; } else if (election_id != current_election_id && crm_str_eq(fsa_our_uuid, election_owner, TRUE)) { log_level = LOG_DEBUG_2; reason = "Superceeded"; done = TRUE; } else if (your_node == NULL || crm_is_peer_active(your_node) == FALSE) { /* Possibly we cached the message in the FSA queue at a point that it wasn't */ reason = "Peer is not part of our cluster"; log_level = LOG_WARNING; done = TRUE; } else if (crm_str_eq(op, CRM_OP_NOVOTE, TRUE)) { char *op_copy = strdup(op); char *uname_copy = strdup(vote_from); CRM_ASSERT(crm_str_eq(fsa_our_uuid, election_owner, TRUE)); /* update the list of nodes that have voted */ g_hash_table_replace(voted, uname_copy, op_copy); reason = "Recorded"; done = TRUE; } else { struct timeval your_age; const char *your_version = crm_element_value(vote->msg, F_CRM_VERSION); your_age.tv_sec = 0; your_age.tv_usec = 0; crm_element_value_int(vote->msg, F_CRM_ELECTION_AGE_S, (int *)&(your_age.tv_sec)); crm_element_value_int(vote->msg, F_CRM_ELECTION_AGE_US, (int *)&(your_age.tv_usec)); age = crm_compare_age(your_age); if(your_age.tv_sec == 0 && your_age.tv_usec == 0) { crm_log_xml_trace(vote->msg, "bad vote"); crm_write_blackbox(0, NULL); } if (crm_str_eq(vote_from, fsa_our_uname, TRUE)) { char *op_copy = strdup(op); char *uname_copy = strdup(vote_from); CRM_ASSERT(crm_str_eq(fsa_our_uuid, election_owner, TRUE)); /* update ourselves in the list of nodes that have voted */ g_hash_table_replace(voted, uname_copy, op_copy); reason = "Recorded"; done = TRUE; } else if (compare_version(your_version, CRM_FEATURE_SET) < 0) { reason = "Version"; we_loose = TRUE; } else if (compare_version(your_version, CRM_FEATURE_SET) > 0) { reason = "Version"; } else if (age < 0) { reason = "Uptime"; we_loose = TRUE; } else if (age > 0) { reason = "Uptime"; /* TODO: Check for y(our) born < 0 */ } else if (use_born_on && your_node->born < our_node->born) { reason = "Born"; we_loose = TRUE; } else if (use_born_on && your_node->born > our_node->born) { reason = "Born"; } else if (fsa_our_uname == NULL) { reason = "Unknown host name"; we_loose = TRUE; } else if (strcasecmp(fsa_our_uname, vote_from) > 0) { reason = "Host name"; we_loose = TRUE; } else { reason = "Host name"; CRM_ASSERT(strcasecmp(fsa_our_uname, vote_from) < 0); /* cant happen... * } else if(strcasecmp(fsa_our_uname, vote_from) == 0) { * */ } } if (expires < tm_now) { election_wins = 0; expires = tm_now + STORM_INTERVAL; } else if (done == FALSE && we_loose == FALSE) { int peers = 1 + g_hash_table_size(crm_peer_cache); /* If every node has to vote down every other node, thats N*(N-1) total elections * Allow some leway before _really_ complaining */ election_wins++; if (election_wins > (peers * peers)) { crm_warn("Election storm detected: %d elections in %d seconds", election_wins, STORM_INTERVAL); election_wins = 0; expires = tm_now + STORM_INTERVAL; crm_write_blackbox(0, NULL); } } if (done) { do_crm_log(log_level + 1, "Election %d (current: %d, owner: %s): Processed %s from %s (%s)", election_id, current_election_id, election_owner, op, vote_from, reason); } else if (we_loose) { xmlNode *novote = create_request(CRM_OP_NOVOTE, NULL, vote_from, CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL); do_crm_log(log_level, "Election %d (owner: %s) lost: %s from %s (%s)", election_id, election_owner, op, vote_from, reason); update_dc(NULL); crm_timer_stop(election_timeout); if (fsa_input_register & R_THE_DC) { crm_trace("Give up the DC to %s", vote_from); register_fsa_input(C_FSA_INTERNAL, I_RELEASE_DC, NULL); fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_scope_local); } else if (cur_state != S_STARTING) { crm_trace("We werent the DC anyway"); register_fsa_input(C_FSA_INTERNAL, I_PENDING, NULL); } crm_xml_add(novote, F_CRM_ELECTION_OWNER, election_owner); crm_xml_add_int(novote, F_CRM_ELECTION_ID, election_id); send_cluster_message(crm_get_peer(0, vote_from), crm_msg_crmd, novote, TRUE); free_xml(novote); last_election_loss = tm_now; } else { do_crm_log(log_level, "Election %d (owner: %s) pass: %s from %s (%s)", election_id, election_owner, op, vote_from, reason); if (last_election_loss) { if (tm_now - last_election_loss < (time_t) loss_dampen) { crm_info("Election %d ignore: We already lost an election less than %ds ago (%s)", election_id, loss_dampen, ctime(&last_election_loss)); update_dc(NULL); return; } last_election_loss = 0; } register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL); g_hash_table_destroy(voted); voted = NULL; } } /* A_ELECT_TIMER_START, A_ELECTION_TIMEOUT */ /* we won */ void do_election_timer_ctrl(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { } static void feature_update_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { if (rc != pcmk_ok) { fsa_data_t *msg_data = NULL; crm_notice("Update failed: %s (%d)", pcmk_strerror(rc), rc); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } /* A_DC_TAKEOVER */ void do_dc_takeover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int rc = pcmk_ok; xmlNode *cib = NULL; GListPtr gIter = NULL; const char *cluster_type = name_for_cluster_type(get_cluster_type()); crm_info("Taking over DC status for this partition"); set_bit(fsa_input_register, R_THE_DC); for (gIter = stonith_cleanup_list; gIter != NULL; gIter = gIter->next) { char *target = gIter->data; crm_node_t *target_node = crm_get_peer(0, target); const char *uuid = crm_peer_uuid(target_node); crm_notice("Marking %s, target of a previous stonith action, as clean", target); send_stonith_update(NULL, target, uuid); free(target); } g_list_free(stonith_cleanup_list); stonith_cleanup_list = NULL; #if SUPPORT_COROSYNC if (is_classic_ais_cluster()) { send_cluster_text(crm_class_quorum, NULL, TRUE, NULL, crm_msg_ais); } #endif if (voted != NULL) { crm_trace("Destroying voted hash"); g_hash_table_destroy(voted); voted = NULL; } set_bit(fsa_input_register, R_JOIN_OK); set_bit(fsa_input_register, R_INVOKE_PE); fsa_cib_conn->cmds->set_master(fsa_cib_conn, cib_scope_local); cib = create_xml_node(NULL, XML_TAG_CIB); crm_xml_add(cib, XML_ATTR_CRM_VERSION, CRM_FEATURE_SET); fsa_cib_update(XML_TAG_CIB, cib, cib_quorum_override, rc, NULL); fsa_register_cib_callback(rc, FALSE, NULL, feature_update_callback); update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL, "dc-version", VERSION "-" BUILD_VERSION, FALSE, NULL); update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL, "cluster-infrastructure", cluster_type, FALSE, NULL); mainloop_set_trigger(config_read); free_xml(cib); } /* A_DC_RELEASE */ void do_dc_release(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { if (action & A_DC_RELEASE) { crm_debug("Releasing the role of DC"); clear_bit(fsa_input_register, R_THE_DC); } else if (action & A_DC_RELEASED) { crm_info("DC role released"); #if 0 if (are there errors) { /* we cant stay up if not healthy */ /* or perhaps I_ERROR and go to S_RECOVER? */ result = I_SHUTDOWN; } #endif register_fsa_input(C_FSA_INTERNAL, I_RELEASE_SUCCESS, NULL); } else { crm_err("Unknown action %s", fsa_action2string(action)); } crm_trace("Am I still the DC? %s", AM_I_DC ? XML_BOOLEAN_YES : XML_BOOLEAN_NO); } pacemaker-master/crmd/fsa.c000066400000000000000000000647141217637305600161670ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include char *fsa_our_dc = NULL; cib_t *fsa_cib_conn = NULL; char *fsa_our_dc_version = NULL; char *fsa_our_uuid = NULL; char *fsa_our_uname = NULL; #if SUPPORT_HEARTBEAT ll_cluster_t *fsa_cluster_conn; #endif fsa_timer_t *wait_timer = NULL; /* How long to wait before retrying to connect to the cib/lrmd/ccm */ fsa_timer_t *recheck_timer = NULL; /* Periodically re-run the PE to account for time based rules/preferences */ fsa_timer_t *election_trigger = NULL; /* How long to wait at startup, or after an election, for the DC to make contact */ fsa_timer_t *election_timeout = NULL; /* How long to declare an election over - even if not everyone voted */ fsa_timer_t *transition_timer = NULL; /* How long to delay the start of a new transition with the expectation something else might happen too */ fsa_timer_t *integration_timer = NULL; fsa_timer_t *finalization_timer = NULL; fsa_timer_t *shutdown_escalation_timer = NULL; /* How long to wait for the DC to stop all resources and give us the all-clear to shut down */ volatile gboolean do_fsa_stall = FALSE; volatile long long fsa_input_register = 0; volatile long long fsa_actions = A_NOTHING; volatile enum crmd_fsa_state fsa_state = S_STARTING; extern uint highest_born_on; extern uint num_join_invites; extern void initialize_join(gboolean before); #define DOT_PREFIX "actions:trace: " #define do_dot_log(fmt, args...) crm_trace( fmt, ##args) long long do_state_transition(long long actions, enum crmd_fsa_state cur_state, enum crmd_fsa_state next_state, fsa_data_t * msg_data); void dump_rsc_info(void); void dump_rsc_info_callback(const xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); void ghash_print_node(gpointer key, gpointer value, gpointer user_data); void s_crmd_fsa_actions(fsa_data_t * fsa_data); void log_fsa_input(fsa_data_t * stored_msg); void init_dotfile(void); void init_dotfile(void) { do_dot_log(DOT_PREFIX "digraph \"g\" {"); do_dot_log(DOT_PREFIX " size = \"30,30\""); do_dot_log(DOT_PREFIX " graph ["); do_dot_log(DOT_PREFIX " fontsize = \"12\""); do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\""); do_dot_log(DOT_PREFIX " fontcolor = \"black\""); do_dot_log(DOT_PREFIX " bb = \"0,0,398.922306,478.927856\""); do_dot_log(DOT_PREFIX " color = \"black\""); do_dot_log(DOT_PREFIX " ]"); do_dot_log(DOT_PREFIX " node ["); do_dot_log(DOT_PREFIX " fontsize = \"12\""); do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\""); do_dot_log(DOT_PREFIX " fontcolor = \"black\""); do_dot_log(DOT_PREFIX " shape = \"ellipse\""); do_dot_log(DOT_PREFIX " color = \"black\""); do_dot_log(DOT_PREFIX " ]"); do_dot_log(DOT_PREFIX " edge ["); do_dot_log(DOT_PREFIX " fontsize = \"12\""); do_dot_log(DOT_PREFIX " fontname = \"Times-Roman\""); do_dot_log(DOT_PREFIX " fontcolor = \"black\""); do_dot_log(DOT_PREFIX " color = \"black\""); do_dot_log(DOT_PREFIX " ]"); do_dot_log(DOT_PREFIX "// special nodes"); do_dot_log(DOT_PREFIX " \"S_PENDING\" "); do_dot_log(DOT_PREFIX " ["); do_dot_log(DOT_PREFIX " color = \"blue\""); do_dot_log(DOT_PREFIX " fontcolor = \"blue\""); do_dot_log(DOT_PREFIX " ]"); do_dot_log(DOT_PREFIX " \"S_TERMINATE\" "); do_dot_log(DOT_PREFIX " ["); do_dot_log(DOT_PREFIX " color = \"red\""); do_dot_log(DOT_PREFIX " fontcolor = \"red\""); do_dot_log(DOT_PREFIX " ]"); do_dot_log(DOT_PREFIX "// DC only nodes"); do_dot_log(DOT_PREFIX " \"S_INTEGRATION\" [ fontcolor = \"green\" ]"); do_dot_log(DOT_PREFIX " \"S_POLICY_ENGINE\" [ fontcolor = \"green\" ]"); do_dot_log(DOT_PREFIX " \"S_TRANSITION_ENGINE\" [ fontcolor = \"green\" ]"); do_dot_log(DOT_PREFIX " \"S_RELEASE_DC\" [ fontcolor = \"green\" ]"); do_dot_log(DOT_PREFIX " \"S_IDLE\" [ fontcolor = \"green\" ]"); } static void do_fsa_action(fsa_data_t * fsa_data, long long an_action, void (*function) (long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data)) { fsa_actions &= ~an_action; crm_trace(DOT_PREFIX "\t// %s", fsa_action2string(an_action)); function(an_action, fsa_data->fsa_cause, fsa_state, fsa_data->fsa_input, fsa_data); } static long long startup_actions = A_STARTUP | A_CIB_START | A_LRM_CONNECT | A_CCM_CONNECT | A_HA_CONNECT | A_READCONFIG | A_STARTED | A_CL_JOIN_QUERY; enum crmd_fsa_state s_crmd_fsa(enum crmd_fsa_cause cause) { fsa_data_t *fsa_data = NULL; long long register_copy = fsa_input_register; long long new_actions = A_NOTHING; enum crmd_fsa_state last_state = fsa_state; crm_trace("FSA invoked with Cause: %s\tState: %s", fsa_cause2string(cause), fsa_state2string(fsa_state)); fsa_dump_actions(fsa_actions, "Initial"); do_fsa_stall = FALSE; if (is_message() == FALSE && fsa_actions != A_NOTHING) { /* fake the first message so we can get into the loop */ fsa_data = calloc(1, sizeof(fsa_data_t)); fsa_data->fsa_input = I_NULL; fsa_data->fsa_cause = C_FSA_INTERNAL; fsa_data->origin = __FUNCTION__; fsa_data->data_type = fsa_dt_none; fsa_message_queue = g_list_append(fsa_message_queue, fsa_data); fsa_data = NULL; } while (is_message() && do_fsa_stall == FALSE) { crm_trace("Checking messages (%d remaining)", g_list_length(fsa_message_queue)); fsa_data = get_message(); CRM_CHECK(fsa_data != NULL, continue); log_fsa_input(fsa_data); /* add any actions back to the queue */ fsa_actions |= fsa_data->actions; fsa_dump_actions(fsa_data->actions, "Restored actions"); /* get the next batch of actions */ new_actions = crmd_fsa_actions[fsa_data->fsa_input][fsa_state]; fsa_actions |= new_actions; fsa_dump_actions(new_actions, "New actions"); if (fsa_data->fsa_input != I_NULL && fsa_data->fsa_input != I_ROUTER) { crm_debug("Processing %s: [ state=%s cause=%s origin=%s ]", fsa_input2string(fsa_data->fsa_input), fsa_state2string(fsa_state), fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin); } /* logging : *before* the state is changed */ if (is_set(fsa_actions, A_ERROR)) { do_fsa_action(fsa_data, A_ERROR, do_log); } if (is_set(fsa_actions, A_WARN)) { do_fsa_action(fsa_data, A_WARN, do_log); } if (is_set(fsa_actions, A_LOG)) { do_fsa_action(fsa_data, A_LOG, do_log); } /* update state variables */ last_state = fsa_state; fsa_state = crmd_fsa_state[fsa_data->fsa_input][fsa_state]; /* * Remove certain actions during shutdown */ if (fsa_state == S_STOPPING || ((fsa_input_register & R_SHUTDOWN) == R_SHUTDOWN)) { clear_bit(fsa_actions, startup_actions); } /* * Hook for change of state. * Allows actions to be added or removed when entering a state */ if (last_state != fsa_state) { fsa_actions = do_state_transition(fsa_actions, last_state, fsa_state, fsa_data); } else { do_dot_log(DOT_PREFIX "\t// FSA input: State=%s \tCause=%s" " \tInput=%s \tOrigin=%s() \tid=%d", fsa_state2string(fsa_state), fsa_cause2string(fsa_data->fsa_cause), fsa_input2string(fsa_data->fsa_input), fsa_data->origin, fsa_data->id); } /* start doing things... */ s_crmd_fsa_actions(fsa_data); delete_fsa_input(fsa_data); fsa_data = NULL; } if (g_list_length(fsa_message_queue) > 0 || fsa_actions != A_NOTHING || do_fsa_stall) { crm_debug("Exiting the FSA: queue=%d, fsa_actions=0x%llx, stalled=%s", g_list_length(fsa_message_queue), fsa_actions, do_fsa_stall ? "true" : "false"); } else { crm_trace("Exiting the FSA"); } /* cleanup inputs? */ if (register_copy != fsa_input_register) { long long same = register_copy & fsa_input_register; fsa_dump_inputs(LOG_DEBUG, "Added", fsa_input_register ^ same); fsa_dump_inputs(LOG_DEBUG, "Removed", register_copy ^ same); } fsa_dump_actions(fsa_actions, "Remaining"); fsa_dump_queue(LOG_DEBUG); return fsa_state; } void s_crmd_fsa_actions(fsa_data_t * fsa_data) { /* * Process actions in order of priority but do only one * action at a time to avoid complicating the ordering. */ CRM_CHECK(fsa_data != NULL, return); while (fsa_actions != A_NOTHING && do_fsa_stall == FALSE) { /* regular action processing in order of action priority * * Make sure all actions that connect to required systems * are performed first */ if (fsa_actions & A_ERROR) { do_fsa_action(fsa_data, A_ERROR, do_log); } else if (fsa_actions & A_WARN) { do_fsa_action(fsa_data, A_WARN, do_log); } else if (fsa_actions & A_LOG) { do_fsa_action(fsa_data, A_LOG, do_log); /* get out of here NOW! before anything worse happens */ } else if (fsa_actions & A_EXIT_1) { do_fsa_action(fsa_data, A_EXIT_1, do_exit); /* sub-system restart */ } else if ((fsa_actions & O_LRM_RECONNECT) == O_LRM_RECONNECT) { do_fsa_action(fsa_data, O_LRM_RECONNECT, do_lrm_control); } else if ((fsa_actions & O_CIB_RESTART) == O_CIB_RESTART) { do_fsa_action(fsa_data, O_CIB_RESTART, do_cib_control); } else if ((fsa_actions & O_PE_RESTART) == O_PE_RESTART) { do_fsa_action(fsa_data, O_PE_RESTART, do_pe_control); } else if ((fsa_actions & O_TE_RESTART) == O_TE_RESTART) { do_fsa_action(fsa_data, O_TE_RESTART, do_te_control); /* essential start tasks */ } else if (fsa_actions & A_STARTUP) { do_fsa_action(fsa_data, A_STARTUP, do_startup); } else if (fsa_actions & A_CIB_START) { do_fsa_action(fsa_data, A_CIB_START, do_cib_control); } else if (fsa_actions & A_HA_CONNECT) { do_fsa_action(fsa_data, A_HA_CONNECT, do_ha_control); } else if (fsa_actions & A_READCONFIG) { do_fsa_action(fsa_data, A_READCONFIG, do_read_config); /* sub-system start/connect */ } else if (fsa_actions & A_LRM_CONNECT) { do_fsa_action(fsa_data, A_LRM_CONNECT, do_lrm_control); } else if (fsa_actions & A_CCM_CONNECT) { #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { do_fsa_action(fsa_data, A_CCM_CONNECT, do_ccm_control); } #endif fsa_actions &= ~A_CCM_CONNECT; } else if (fsa_actions & A_TE_START) { do_fsa_action(fsa_data, A_TE_START, do_te_control); } else if (fsa_actions & A_PE_START) { do_fsa_action(fsa_data, A_PE_START, do_pe_control); /* Timers */ /* else if(fsa_actions & O_DC_TIMER_RESTART) { do_fsa_action(fsa_data, O_DC_TIMER_RESTART, do_timer_control) */ ; } else if (fsa_actions & A_DC_TIMER_STOP) { do_fsa_action(fsa_data, A_DC_TIMER_STOP, do_timer_control); } else if (fsa_actions & A_INTEGRATE_TIMER_STOP) { do_fsa_action(fsa_data, A_INTEGRATE_TIMER_STOP, do_timer_control); } else if (fsa_actions & A_INTEGRATE_TIMER_START) { do_fsa_action(fsa_data, A_INTEGRATE_TIMER_START, do_timer_control); } else if (fsa_actions & A_FINALIZE_TIMER_STOP) { do_fsa_action(fsa_data, A_FINALIZE_TIMER_STOP, do_timer_control); } else if (fsa_actions & A_FINALIZE_TIMER_START) { do_fsa_action(fsa_data, A_FINALIZE_TIMER_START, do_timer_control); /* * Highest priority actions */ } else if (fsa_actions & A_MSG_ROUTE) { do_fsa_action(fsa_data, A_MSG_ROUTE, do_msg_route); } else if (fsa_actions & A_RECOVER) { do_fsa_action(fsa_data, A_RECOVER, do_recover); } else if (fsa_actions & A_CL_JOIN_RESULT) { do_fsa_action(fsa_data, A_CL_JOIN_RESULT, do_cl_join_finalize_respond); } else if (fsa_actions & A_CL_JOIN_REQUEST) { do_fsa_action(fsa_data, A_CL_JOIN_REQUEST, do_cl_join_offer_respond); } else if (fsa_actions & A_SHUTDOWN_REQ) { do_fsa_action(fsa_data, A_SHUTDOWN_REQ, do_shutdown_req); } else if (fsa_actions & A_ELECTION_VOTE) { do_fsa_action(fsa_data, A_ELECTION_VOTE, do_election_vote); } else if (fsa_actions & A_ELECTION_COUNT) { do_fsa_action(fsa_data, A_ELECTION_COUNT, do_election_count_vote); } else if (fsa_actions & A_LRM_EVENT) { do_fsa_action(fsa_data, A_LRM_EVENT, do_lrm_event); /* * High priority actions */ } else if (fsa_actions & A_STARTED) { do_fsa_action(fsa_data, A_STARTED, do_started); } else if (fsa_actions & A_CL_JOIN_QUERY) { do_fsa_action(fsa_data, A_CL_JOIN_QUERY, do_cl_join_query); } else if (fsa_actions & A_DC_TIMER_START) { do_fsa_action(fsa_data, A_DC_TIMER_START, do_timer_control); /* * Medium priority actions * - Membership */ } else if (fsa_actions & A_DC_TAKEOVER) { do_fsa_action(fsa_data, A_DC_TAKEOVER, do_dc_takeover); } else if (fsa_actions & A_DC_RELEASE) { do_fsa_action(fsa_data, A_DC_RELEASE, do_dc_release); } else if (fsa_actions & A_DC_JOIN_FINAL) { do_fsa_action(fsa_data, A_DC_JOIN_FINAL, do_dc_join_final); } else if (fsa_actions & A_ELECTION_CHECK) { do_fsa_action(fsa_data, A_ELECTION_CHECK, do_election_check); } else if (fsa_actions & A_ELECTION_START) { do_fsa_action(fsa_data, A_ELECTION_START, do_election_vote); } else if (fsa_actions & A_DC_JOIN_OFFER_ALL) { do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ALL, do_dc_join_offer_all); } else if (fsa_actions & A_DC_JOIN_OFFER_ONE) { do_fsa_action(fsa_data, A_DC_JOIN_OFFER_ONE, do_dc_join_offer_one); } else if (fsa_actions & A_DC_JOIN_PROCESS_REQ) { do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_REQ, do_dc_join_filter_offer); } else if (fsa_actions & A_DC_JOIN_PROCESS_ACK) { do_fsa_action(fsa_data, A_DC_JOIN_PROCESS_ACK, do_dc_join_ack); } else if (fsa_actions & A_DC_JOIN_FINALIZE) { do_fsa_action(fsa_data, A_DC_JOIN_FINALIZE, do_dc_join_finalize); } else if (fsa_actions & A_CL_JOIN_ANNOUNCE) { do_fsa_action(fsa_data, A_CL_JOIN_ANNOUNCE, do_cl_join_announce); /* * Low(er) priority actions * Make sure the CIB is always updated before invoking the * PE, and the PE before the TE */ } else if (fsa_actions & A_TE_HALT) { do_fsa_action(fsa_data, A_TE_HALT, do_te_invoke); } else if (fsa_actions & A_TE_CANCEL) { do_fsa_action(fsa_data, A_TE_CANCEL, do_te_invoke); } else if (fsa_actions & A_LRM_INVOKE) { do_fsa_action(fsa_data, A_LRM_INVOKE, do_lrm_invoke); } else if (fsa_actions & A_PE_INVOKE) { do_fsa_action(fsa_data, A_PE_INVOKE, do_pe_invoke); } else if (fsa_actions & A_TE_INVOKE) { do_fsa_action(fsa_data, A_TE_INVOKE, do_te_invoke); /* Shutdown actions */ } else if (fsa_actions & A_DC_RELEASED) { do_fsa_action(fsa_data, A_DC_RELEASED, do_dc_release); } else if (fsa_actions & A_PE_STOP) { do_fsa_action(fsa_data, A_PE_STOP, do_pe_control); } else if (fsa_actions & A_TE_STOP) { do_fsa_action(fsa_data, A_TE_STOP, do_te_control); } else if (fsa_actions & A_SHUTDOWN) { do_fsa_action(fsa_data, A_SHUTDOWN, do_shutdown); } else if (fsa_actions & A_LRM_DISCONNECT) { do_fsa_action(fsa_data, A_LRM_DISCONNECT, do_lrm_control); } else if (fsa_actions & A_CCM_DISCONNECT) { #if SUPPORT_HEARTBEAT if (is_heartbeat_cluster()) { do_fsa_action(fsa_data, A_CCM_DISCONNECT, do_ccm_control); } #endif fsa_actions &= ~A_CCM_DISCONNECT; } else if (fsa_actions & A_HA_DISCONNECT) { do_fsa_action(fsa_data, A_HA_DISCONNECT, do_ha_control); } else if (fsa_actions & A_CIB_STOP) { do_fsa_action(fsa_data, A_CIB_STOP, do_cib_control); } else if (fsa_actions & A_STOP) { do_fsa_action(fsa_data, A_STOP, do_stop); /* exit gracefully */ } else if (fsa_actions & A_EXIT_0) { do_fsa_action(fsa_data, A_EXIT_0, do_exit); /* Error checking and reporting */ } else { crm_err("Action %s (0x%llx) not supported ", fsa_action2string(fsa_actions), fsa_actions); register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, fsa_data, NULL, __FUNCTION__); } } } void log_fsa_input(fsa_data_t * stored_msg) { crm_trace("Processing queued input %d", stored_msg->id); if (stored_msg->fsa_cause == C_CCM_CALLBACK) { crm_trace("FSA processing CCM callback from %s", stored_msg->origin); } else if (stored_msg->fsa_cause == C_LRM_OP_CALLBACK) { crm_trace("FSA processing LRM callback from %s", stored_msg->origin); } else if (stored_msg->data == NULL) { crm_trace("FSA processing input from %s", stored_msg->origin); } else { ha_msg_input_t *ha_input = fsa_typed_data_adv(stored_msg, fsa_dt_ha_msg, __FUNCTION__); crm_trace("FSA processing XML message from %s", stored_msg->origin); crm_log_xml_trace(ha_input->xml, "FSA message data"); } } long long do_state_transition(long long actions, enum crmd_fsa_state cur_state, enum crmd_fsa_state next_state, fsa_data_t * msg_data) { int level = LOG_INFO; long long tmp = actions; gboolean clear_recovery_bit = TRUE; enum crmd_fsa_cause cause = msg_data->fsa_cause; enum crmd_fsa_input current_input = msg_data->fsa_input; const char *state_from = fsa_state2string(cur_state); const char *state_to = fsa_state2string(next_state); const char *input = fsa_input2string(current_input); CRM_LOG_ASSERT(cur_state != next_state); do_dot_log(DOT_PREFIX "\t%s -> %s [ label=%s cause=%s origin=%s ]", state_from, state_to, input, fsa_cause2string(cause), msg_data->origin); if (cur_state == S_IDLE || next_state == S_IDLE) { level = LOG_NOTICE; } else if (cur_state == S_NOT_DC || next_state == S_NOT_DC) { level = LOG_NOTICE; } else if (cur_state == S_ELECTION) { level = LOG_NOTICE; } else if (cur_state == S_STARTING) { level = LOG_NOTICE; } else if (next_state == S_RECOVERY) { level = LOG_WARNING; } do_crm_log(level, "State transition %s -> %s [ input=%s cause=%s origin=%s ]", state_from, state_to, input, fsa_cause2string(cause), msg_data->origin); /* the last two clauses might cause trouble later */ if (election_timeout != NULL && next_state != S_ELECTION && cur_state != S_RELEASE_DC) { crm_timer_stop(election_timeout); /* } else { */ /* crm_timer_start(election_timeout); */ } #if 0 if ((fsa_input_register & R_SHUTDOWN)) { set_bit(tmp, A_DC_TIMER_STOP); } #endif if (next_state == S_INTEGRATION) { set_bit(tmp, A_INTEGRATE_TIMER_START); } else { set_bit(tmp, A_INTEGRATE_TIMER_STOP); } if (next_state == S_FINALIZE_JOIN) { set_bit(tmp, A_FINALIZE_TIMER_START); } else { set_bit(tmp, A_FINALIZE_TIMER_STOP); } if (next_state != S_PENDING) { set_bit(tmp, A_DC_TIMER_STOP); } if (next_state != S_ELECTION) { highest_born_on = 0; } if (next_state != S_IDLE) { crm_timer_stop(recheck_timer); } if (cur_state == S_FINALIZE_JOIN && next_state == S_POLICY_ENGINE) { populate_cib_nodes(node_update_quick | node_update_cluster | node_update_peer | node_update_join | node_update_expected, __FUNCTION__); } switch (next_state) { case S_PENDING: fsa_cib_conn->cmds->set_slave(fsa_cib_conn, cib_scope_local); /* fall through */ case S_ELECTION: crm_trace("Resetting our DC to NULL on transition to %s", fsa_state2string(next_state)); update_dc(NULL); break; case S_NOT_DC: election_trigger->counter = 0; if (stonith_cleanup_list) { GListPtr gIter = NULL; for (gIter = stonith_cleanup_list; gIter != NULL; gIter = gIter->next) { char *target = gIter->data; crm_info("Purging %s from stonith cleanup list", target); free(target); } g_list_free(stonith_cleanup_list); stonith_cleanup_list = NULL; } if (is_set(fsa_input_register, R_SHUTDOWN)) { crm_info("(Re)Issuing shutdown request now" " that we have a new DC"); set_bit(tmp, A_SHUTDOWN_REQ); } CRM_LOG_ASSERT(fsa_our_dc != NULL); if (fsa_our_dc == NULL) { crm_err("Reached S_NOT_DC without a DC" " being recorded"); } break; case S_RECOVERY: clear_recovery_bit = FALSE; break; case S_FINALIZE_JOIN: CRM_LOG_ASSERT(AM_I_DC); if (cause == C_TIMER_POPPED) { crm_warn("Progressed to state %s after %s", fsa_state2string(next_state), fsa_cause2string(cause)); } if (crmd_join_phase_count(crm_join_welcomed) > 0) { crm_warn("%u cluster nodes failed to respond" " to the join offer.", crmd_join_phase_count(crm_join_welcomed)); crmd_join_phase_log(LOG_NOTICE); } else { crm_debug("All %d cluster nodes responded to the join offer.", crmd_join_phase_count(crm_join_integrated)); } break; case S_POLICY_ENGINE: election_trigger->counter = 0; CRM_LOG_ASSERT(AM_I_DC); if (cause == C_TIMER_POPPED) { crm_info("Progressed to state %s after %s", fsa_state2string(next_state), fsa_cause2string(cause)); } if (crmd_join_phase_count(crm_join_finalized) > 0) { crm_err("%u cluster nodes failed to confirm their join.", crmd_join_phase_count(crm_join_finalized)); crmd_join_phase_log(LOG_NOTICE); } else if (crmd_join_phase_count(crm_join_confirmed) == crm_active_peers()) { crm_debug("All %u cluster nodes are" " eligible to run resources.", crm_active_peers()); } else if (crmd_join_phase_count(crm_join_confirmed) > crm_active_peers()) { crm_err("We have more confirmed nodes than our membership does: %d vs. %d", crmd_join_phase_count(crm_join_confirmed), crm_active_peers()); register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL); } else if (saved_ccm_membership_id != crm_peer_seq) { crm_info("Membership changed: %llu -> %llu - join restart", saved_ccm_membership_id, crm_peer_seq); register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL); } else { crm_warn("Only %u of %u cluster " "nodes are eligible to run resources - continue %d", crmd_join_phase_count(crm_join_confirmed), crm_active_peers(), crmd_join_phase_count(crm_join_welcomed)); } /* initialize_join(FALSE); */ break; case S_STOPPING: case S_TERMINATE: /* possibly redundant */ set_bit(fsa_input_register, R_SHUTDOWN); break; case S_IDLE: CRM_LOG_ASSERT(AM_I_DC); dump_rsc_info(); if (is_set(fsa_input_register, R_SHUTDOWN)) { crm_info("(Re)Issuing shutdown request now" " that we are the DC"); set_bit(tmp, A_SHUTDOWN_REQ); } if (recheck_timer->period_ms > 0) { crm_debug("Starting %s", get_timer_desc(recheck_timer)); crm_timer_start(recheck_timer); } break; default: break; } if (clear_recovery_bit && next_state != S_PENDING) { tmp &= ~A_RECOVER; } else if (clear_recovery_bit == FALSE) { tmp |= A_RECOVER; } if (tmp != actions) { /* fsa_dump_actions(actions ^ tmp, "New actions"); */ actions = tmp; } return actions; } void dump_rsc_info(void) { } void ghash_print_node(gpointer key, gpointer value, gpointer user_data) { const char *text = user_data; const char *uname = key; const char *value_s = value; crm_info("%s: %s %s", text, uname, value_s); } pacemaker-master/crmd/fsa_defines.h000066400000000000000000000525431217637305600176660ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef FSA_DEFINES__H # define FSA_DEFINES__H /*====================================== * States the DC/CRMd can be in *======================================*/ enum crmd_fsa_state { S_IDLE = 0, /* Nothing happening */ S_ELECTION, /* Take part in the election algorithm as * described below */ S_INTEGRATION, /* integrate that status of new nodes (which is * all of them if we have just been elected DC) * to form a complete and up-to-date picture of * the CIB */ S_FINALIZE_JOIN, /* integrate that status of new nodes (which is * all of them if we have just been elected DC) * to form a complete and up-to-date picture of * the CIB */ S_NOT_DC, /* we are in crmd/slave mode */ S_POLICY_ENGINE, /* Determin the next stable state of the cluster */ S_RECOVERY, /* Something bad happened, check everything is ok * before continuing and attempt to recover if * required */ S_RELEASE_DC, /* we were the DC, but now we arent anymore, * possibly by our own request, and we should * release all unnecessary sub-systems, finish * any pending actions, do general cleanup and * unset anything that makes us think we are * special :) */ S_STARTING, /* we are just starting out */ S_PENDING, /* we are not a full/active member yet */ S_STOPPING, /* We are in the final stages of shutting down */ S_TERMINATE, /* We are going to shutdown, this is the equiv of * "Sending TERM signal to all processes" in Linux * and in worst case scenarios could be considered * a self STONITH */ S_TRANSITION_ENGINE, /* Attempt to make the calculated next stable * state of the cluster a reality */ S_HALT, /* Freeze - dont do anything * Something ad happened that needs the admin to fix * Wait for I_ELECTION */ /* ----------- Last input found in table is above ---------- */ S_ILLEGAL /* This is an illegal FSA state */ /* (must be last) */ }; # define MAXSTATE S_ILLEGAL /* A state diagram can be constructed from the dc_fsa.dot with the following command: dot -Tpng crmd_fsa.dot > crmd_fsa.png Description: Once we start and do some basic sanity checks, we go into the S_NOT_DC state and await instructions from the DC or input from the CCM which indicates the election algorithm needs to run. If the election algorithm is triggered we enter the S_ELECTION state from where we can either go back to the S_NOT_DC state or progress to the S_INTEGRATION state (or S_RELEASE_DC if we used to be the DC but arent anymore). The election algorithm has been adapted from http://www.cs.indiana.edu/cgi-bin/techreports/TRNNN.cgi?trnum=TR521 Loosly known as the Bully Algorithm, its major points are: - Election is initiated by any node (N) notices that the coordinator is no longer responding - Concurrent multiple elections are possible - Algorithm + N sends ELECTION messages to all nodes that occur earlier in the CCM's membership list. + If no one responds, N wins and becomes coordinator + N sends out COORDINATOR messages to all other nodes in the partition + If one of higher-ups answers, it takes over. N is done. Once the election is complete, if we are the DC, we enter the S_INTEGRATION state which is a DC-in-waiting style state. We are the DC, but we shouldnt do anything yet because we may not have an up-to-date picture of the cluster. There may of course be times when this fails, so we should go back to the S_RECOVERY stage and check everything is ok. We may also end up here if a new node came online, since each node is authorative on itself and we would want to incorporate its information into the CIB. Once we have the latest CIB, we then enter the S_POLICY_ENGINE state where invoke the Policy Engine. It is possible that between invoking the Policy Engine and recieving an answer, that we recieve more input. In this case we would discard the orginal result and invoke it again. Once we are satisfied with the output from the Policy Engine we enter S_TRANSITION_ENGINE and feed the Policy Engine's output to the Transition Engine who attempts to make the Policy Engine's calculation a reality. If the transition completes successfully, we enter S_IDLE, otherwise we go back to S_POLICY_ENGINE with the current unstable state and try again. Of course we may be asked to shutdown at any time, however we must progress to S_NOT_DC before doing so. Once we have handed over DC duties to another node, we can then shut down like everyone else, that is by asking the DC for permission and waiting it to take all our resources away. The case where we are the DC and the only node in the cluster is a special case and handled as an escalation which takes us to S_SHUTDOWN. Similarly if any other point in the shutdown fails or stalls, this is escalated and we end up in S_TERMINATE. At any point, the CRMd/DC can relay messages for its sub-systems, but outbound messages (from sub-systems) should probably be blocked until S_INTEGRATION (for the DC case) or the join protocol has completed (for the CRMd case) */ /*====================================== * * Inputs/Events/Stimuli to be given to the finite state machine * * Some of these a true events, and others a synthesised based on * the "register" (see below) and the contents or source of messages. * * At this point, my plan is to have a loop of some sort that keeps * going until recieving I_NULL * *======================================*/ enum crmd_fsa_input { /* 0 */ I_NULL, /* Nothing happened */ /* 1 */ I_CIB_OP, /* An update to the CIB occurred */ I_CIB_UPDATE, /* An update to the CIB occurred */ I_DC_TIMEOUT, /* We have lost communication with the DC */ I_ELECTION, /* Someone started an election */ I_PE_CALC, /* The Policy Engine needs to be invoked */ I_RELEASE_DC, /* The election completed and we were not * elected, but we were the DC beforehand */ I_ELECTION_DC, /* The election completed and we were (re-)elected * DC */ I_ERROR, /* Something bad happened (more serious than * I_FAIL) and may not have been due to the action * being performed. For example, we may have lost * our connection to the CIB. */ /* 9 */ I_FAIL, /* The action failed to complete successfully */ I_INTEGRATED, I_FINALIZED, I_NODE_JOIN, /* A node has entered the cluster */ I_NOT_DC, /* We are not and were not the DC before or after * the current operation or state */ I_RECOVERED, /* The recovery process completed successfully */ I_RELEASE_FAIL, /* We could not give up DC status for some reason */ I_RELEASE_SUCCESS, /* We are no longer the DC */ I_RESTART, /* The current set of actions needs to be * restarted */ I_TE_SUCCESS, /* Some non-resource, non-ccm action is required * of us, eg. ping */ /* 20 */ I_ROUTER, /* Do our job as router and forward this to the * right place */ I_SHUTDOWN, /* We are asking to shutdown */ I_STOP, /* We have been told to shutdown */ I_TERMINATE, /* Actually exit */ I_STARTUP, I_PE_SUCCESS, /* The action completed successfully */ I_JOIN_OFFER, /* The DC is offering membership */ I_JOIN_REQUEST, /* The client is requesting membership */ I_JOIN_RESULT, /* If not the DC: The result of a join request * Else: A client is responding with its local state info */ I_WAIT_FOR_EVENT, /* we may be waiting for an async task to "happen" * and until it does, we cant do anything else */ I_DC_HEARTBEAT, /* The DC is telling us that it is alive and well */ I_LRM_EVENT, /* 30 */ I_PENDING, I_HALT, /* ------------ Last input found in table is above ----------- */ I_ILLEGAL /* This is an illegal value for an FSA input */ /* (must be last) */ }; # define MAXINPUT I_ILLEGAL # define I_MESSAGE I_ROUTER /*====================================== * * actions * * Some of the actions below will always occur together for now, but I can * forsee that this may not always be the case. So I've spilt them up so * that if they ever do need to be called independantly in the future, it * wont be a problem. * * For example, separating A_LRM_CONNECT from A_STARTUP might be useful * if we ever try to recover from a faulty or disconnected LRM. * *======================================*/ /* Dont do anything */ # define A_NOTHING 0x0000000000000000ULL /* -- Startup actions -- */ /* Hook to perform any actions (other than starting the CIB, * connecting to HA or the CCM) that might be needed as part * of the startup. */ # define A_STARTUP 0x0000000000000001ULL /* Hook to perform any actions that might be needed as part * after startup is successful. */ # define A_STARTED 0x0000000000000002ULL /* Connect to Heartbeat */ # define A_HA_CONNECT 0x0000000000000004ULL # define A_HA_DISCONNECT 0x0000000000000008ULL # define A_INTEGRATE_TIMER_START 0x0000000000000010ULL # define A_INTEGRATE_TIMER_STOP 0x0000000000000020ULL # define A_FINALIZE_TIMER_START 0x0000000000000040ULL # define A_FINALIZE_TIMER_STOP 0x0000000000000080ULL /* -- Election actions -- */ # define A_DC_TIMER_START 0x0000000000000100ULL # define A_DC_TIMER_STOP 0x0000000000000200ULL # define A_ELECTION_COUNT 0x0000000000000400ULL # define A_ELECTION_VOTE 0x0000000000000800ULL # define A_ELECTION_START 0x0000000000001000ULL /* -- Message processing -- */ /* Process the queue of requests */ # define A_MSG_PROCESS 0x0000000000002000ULL /* Send the message to the correct recipient */ # define A_MSG_ROUTE 0x0000000000004000ULL /* Send a welcome message to new node(s) */ # define A_DC_JOIN_OFFER_ONE 0x0000000000008000ULL /* -- Server Join protocol actions -- */ /* Send a welcome message to all nodes */ # define A_DC_JOIN_OFFER_ALL 0x0000000000010000ULL /* Process the remote node's ack of our join message */ # define A_DC_JOIN_PROCESS_REQ 0x0000000000020000ULL /* Send out the reults of the Join phase */ # define A_DC_JOIN_FINALIZE 0x0000000000040000ULL /* Send out the reults of the Join phase */ # define A_DC_JOIN_PROCESS_ACK 0x0000000000080000ULL /* -- Client Join protocol actions -- */ # define A_CL_JOIN_QUERY 0x0000000000100000ULL # define A_CL_JOIN_ANNOUNCE 0x0000000000200000ULL /* Request membership to the DC list */ # define A_CL_JOIN_REQUEST 0x0000000000400000ULL /* Did the DC accept or reject the request */ # define A_CL_JOIN_RESULT 0x0000000000800000ULL /* -- Recovery, DC start/stop -- */ /* Something bad happened, try to recover */ # define A_RECOVER 0x0000000001000000ULL /* Hook to perform any actions (apart from starting, the TE, PE * and gathering the latest CIB) that might be necessary before * giving up the responsibilities of being the DC. */ # define A_DC_RELEASE 0x0000000002000000ULL /* */ # define A_DC_RELEASED 0x0000000004000000ULL /* Hook to perform any actions (apart from starting, the TE, PE * and gathering the latest CIB) that might be necessary before * taking over the responsibilities of being the DC. */ # define A_DC_TAKEOVER 0x0000000008000000ULL /* -- Shutdown actions -- */ # define A_SHUTDOWN 0x0000000010000000ULL # define A_STOP 0x0000000020000000ULL # define A_EXIT_0 0x0000000040000000ULL # define A_EXIT_1 0x0000000080000000ULL # define A_SHUTDOWN_REQ 0x0000000100000000ULL # define A_ELECTION_CHECK 0x0000000200000000ULL # define A_DC_JOIN_FINAL 0x0000000400000000ULL /* -- CCM actions -- */ # define A_CCM_CONNECT 0x0000001000000000ULL # define A_CCM_DISCONNECT 0x0000002000000000ULL /* -- CIB actions -- */ # define A_CIB_START 0x0000020000000000ULL # define A_CIB_STOP 0x0000040000000000ULL /* -- Transition Engine actions -- */ /* Attempt to reach the newly calculated cluster state. This is * only called once per transition (except if it is asked to * stop the transition or start a new one). * Once given a cluster state to reach, the TE will determin * tasks that can be performed in parallel, execute them, wait * for replies and then determin the next set until the new * state is reached or no further tasks can be taken. */ # define A_TE_INVOKE 0x0000100000000000ULL # define A_TE_START 0x0000200000000000ULL # define A_TE_STOP 0x0000400000000000ULL # define A_TE_CANCEL 0x0000800000000000ULL # define A_TE_HALT 0x0001000000000000ULL /* -- Policy Engine actions -- */ /* Calculate the next state for the cluster. This is only * invoked once per needed calculation. */ # define A_PE_INVOKE 0x0002000000000000ULL # define A_PE_START 0x0004000000000000ULL # define A_PE_STOP 0x0008000000000000ULL /* -- Misc actions -- */ /* Add a system generate "block" so that resources arent moved * to or are activly moved away from the affected node. This * way we can return quickly even if busy with other things. */ # define A_NODE_BLOCK 0x0010000000000000ULL /* Update our information in the local CIB */ # define A_UPDATE_NODESTATUS 0x0020000000000000ULL # define A_CIB_BUMPGEN 0x0040000000000000ULL # define A_READCONFIG 0x0080000000000000ULL /* -- LRM Actions -- */ /* Connect to the Local Resource Manager */ # define A_LRM_CONNECT 0x0100000000000000ULL /* Disconnect from the Local Resource Manager */ # define A_LRM_DISCONNECT 0x0200000000000000ULL # define A_LRM_INVOKE 0x0400000000000000ULL # define A_LRM_EVENT 0x0800000000000000ULL /* -- Logging actions -- */ # define A_LOG 0x1000000000000000ULL # define A_ERROR 0x2000000000000000ULL # define A_WARN 0x4000000000000000ULL # define O_EXIT (A_SHUTDOWN|A_STOP|A_CCM_DISCONNECT|A_LRM_DISCONNECT|A_HA_DISCONNECT|A_EXIT_0|A_CIB_STOP) # define O_RELEASE (A_DC_TIMER_STOP|A_DC_RELEASE|A_PE_STOP|A_TE_STOP|A_DC_RELEASED) # define O_PE_RESTART (A_PE_START|A_PE_STOP) # define O_TE_RESTART (A_TE_START|A_TE_STOP) # define O_CIB_RESTART (A_CIB_START|A_CIB_STOP) # define O_LRM_RECONNECT (A_LRM_CONNECT|A_LRM_DISCONNECT) # define O_DC_TIMER_RESTART (A_DC_TIMER_STOP|A_DC_TIMER_START) /*====================================== * * "register" contents * * Things we may want to remember regardless of which state we are in. * * These also count as inputs for synthesizing I_* * *======================================*/ # define R_THE_DC 0x00000001ULL /* Are we the DC? */ # define R_STARTING 0x00000002ULL /* Are we starting up? */ # define R_SHUTDOWN 0x00000004ULL /* Are we trying to shut down? */ # define R_STAYDOWN 0x00000008ULL /* Should we restart? */ # define R_JOIN_OK 0x00000010ULL /* Have we completed the join process */ # define R_READ_CONFIG 0x00000040ULL # define R_INVOKE_PE 0x00000080ULL /* Does the PE needed to be invoked at the next appropriate point? */ # define R_CIB_CONNECTED 0x00000100ULL /* Is the CIB connected? */ # define R_PE_CONNECTED 0x00000200ULL /* Is the Policy Engine connected? */ # define R_TE_CONNECTED 0x00000400ULL /* Is the Transition Engine connected? */ # define R_LRM_CONNECTED 0x00000800ULL /* Is the Local Resource Manager connected? */ # define R_CIB_REQUIRED 0x00001000ULL /* Is the CIB required? */ # define R_PE_REQUIRED 0x00002000ULL /* Is the Policy Engine required? */ # define R_TE_REQUIRED 0x00004000ULL /* Is the Transition Engine required? */ # define R_ST_REQUIRED 0x00008000ULL /* Is the Stonith daemon required? */ # define R_CIB_DONE 0x00010000ULL /* Have we calculated the CIB? */ # define R_HAVE_CIB 0x00020000ULL /* Do we have an up-to-date CIB */ # define R_CIB_ASKED 0x00040000ULL /* Have we asked for an up-to-date CIB */ # define R_MEMBERSHIP 0x00100000ULL /* Have we got CCM data yet */ # define R_PEER_DATA 0x00200000ULL /* Have we got T_CL_STATUS data yet */ # define R_HA_DISCONNECTED 0x00400000ULL /* did we sign out of our own accord */ # define R_CCM_DISCONNECTED 0x00800000ULL /* did we sign out of our own accord */ # define R_REQ_PEND 0x01000000ULL /* Are there Requests waiting for processing? */ # define R_PE_PEND 0x02000000ULL /* Has the PE been invoked and we're awaiting a reply? */ # define R_TE_PEND 0x04000000ULL /* Has the TE been invoked and we're awaiting completion? */ # define R_RESP_PEND 0x08000000ULL /* Do we have clients waiting on a response? if so perhaps we shouldnt stop yet */ # define R_IN_TRANSITION 0x10000000ULL /* */ # define R_SENT_RSC_STOP 0x20000000ULL /* Have we sent a stop action to all * resources in preparation for * shutting down */ # define R_IN_RECOVERY 0x80000000ULL enum crmd_fsa_cause { C_UNKNOWN = 0, C_STARTUP, C_IPC_MESSAGE, C_HA_MESSAGE, C_CCM_CALLBACK, C_CRMD_STATUS_CALLBACK, C_LRM_OP_CALLBACK, C_LRM_MONITOR_CALLBACK, C_TIMER_POPPED, C_SHUTDOWN, C_HEARTBEAT_FAILED, C_SUBSYSTEM_CONNECT, C_HA_DISCONNECT, C_FSA_INTERNAL, C_ILLEGAL }; extern const char *fsa_input2string(enum crmd_fsa_input input); extern const char *fsa_state2string(enum crmd_fsa_state state); extern const char *fsa_cause2string(enum crmd_fsa_cause cause); extern const char *fsa_action2string(long long action); #endif pacemaker-master/crmd/fsa_matrix.h000066400000000000000000001414151217637305600175520ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef XML_FSA_MATRIX__H # define XML_FSA_MATRIX__H /* * The state transition table. The rows are inputs, and * the columns are states. */ const enum crmd_fsa_state crmd_fsa_state[MAXINPUT][MAXSTATE] = { /* Got an I_NULL */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_CIB_OP */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_CIB_UPDATE */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_RECOVERY, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_RECOVERY, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_DC_TIMEOUT */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_RECOVERY, /* S_FINALIZE_JOIN ==> */ S_RECOVERY, /* S_NOT_DC ==> */ S_ELECTION, /* S_POLICY_ENGINE ==> */ S_RECOVERY, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RECOVERY, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_ELECTION, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RECOVERY, /* S_HALT ==> */ S_ELECTION, }, /* Got an I_ELECTION */ { /* S_IDLE ==> */ S_ELECTION, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_ELECTION, /* S_FINALIZE_JOIN ==> */ S_ELECTION, /* S_NOT_DC ==> */ S_ELECTION, /* S_POLICY_ENGINE ==> */ S_ELECTION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_ELECTION, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_ELECTION, /* S_HALT ==> */ S_HALT, }, /* Got an I_PE_CALC */ { /* S_IDLE ==> */ S_POLICY_ENGINE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_POLICY_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_RELEASE_DC */ { /* S_IDLE ==> */ S_RELEASE_DC, /* S_ELECTION ==> */ S_RELEASE_DC, /* S_INTEGRATION ==> */ S_RELEASE_DC, /* S_FINALIZE_JOIN ==> */ S_RELEASE_DC, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_RELEASE_DC, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RELEASE_DC, /* S_HALT ==> */ S_HALT, }, /* Got an I_ELECTION_DC */ { /* S_IDLE ==> */ S_INTEGRATION, /* S_ELECTION ==> */ S_INTEGRATION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_INTEGRATION, /* S_NOT_DC ==> */ S_INTEGRATION, /* S_POLICY_ENGINE ==> */ S_INTEGRATION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_INTEGRATION, /* S_HALT ==> */ S_HALT, }, /* Got an I_ERROR */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_RECOVERY, /* S_INTEGRATION ==> */ S_RECOVERY, /* S_FINALIZE_JOIN ==> */ S_RECOVERY, /* S_NOT_DC ==> */ S_RECOVERY, /* S_POLICY_ENGINE ==> */ S_RECOVERY, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RECOVERY, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_RECOVERY, /* S_STOPPING ==> */ S_TERMINATE, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RECOVERY, /* S_HALT ==> */ S_RECOVERY, }, /* Got an I_FAIL */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_RELEASE_DC, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_INTEGRATION, /* S_NOT_DC ==> */ S_RECOVERY, /* S_POLICY_ENGINE ==> */ S_INTEGRATION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STOPPING, /* S_PENDING ==> */ S_STOPPING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_POLICY_ENGINE, /* S_HALT ==> */ S_RELEASE_DC, }, /* Got an I_INTEGRATED */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_FINALIZE_JOIN, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_RECOVERY, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_FINALIZED */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_POLICY_ENGINE, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_RECOVERY, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_NODE_JOIN */ { /* S_IDLE ==> */ S_INTEGRATION, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_INTEGRATION, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_INTEGRATION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_INTEGRATION, /* S_HALT ==> */ S_HALT, }, /* Got an I_NOT_DC */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_RECOVERY, /* S_FINALIZE_JOIN ==> */ S_RECOVERY, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_RECOVERY, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_NOT_DC, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RECOVERY, /* S_HALT ==> */ S_HALT, }, /* Got an I_RECOVERED */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_INTEGRATION, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_PENDING, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_RELEASE_FAIL */ { /* S_IDLE ==> */ S_STOPPING, /* S_ELECTION ==> */ S_STOPPING, /* S_INTEGRATION ==> */ S_STOPPING, /* S_FINALIZE_JOIN ==> */ S_STOPPING, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_STOPPING, /* S_RECOVERY ==> */ S_STOPPING, /* S_RELEASE_DC ==> */ S_STOPPING, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_STOPPING, /* S_HALT ==> */ S_HALT, }, /* Got an I_RELEASE_SUCCESS */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_RECOVERY, /* S_FINALIZE_JOIN ==> */ S_RECOVERY, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_RECOVERY, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_PENDING, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RECOVERY, /* S_HALT ==> */ S_HALT, }, /* Got an I_RESTART */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_TE_SUCCESS */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_IDLE, /* S_HALT ==> */ S_HALT, }, /* Got an I_ROUTER */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_SHUTDOWN */ { /* S_IDLE ==> */ S_POLICY_ENGINE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_STOPPING, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STOPPING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_POLICY_ENGINE, /* S_HALT ==> */ S_ELECTION, }, /* Got an I_STOP */ { /* S_IDLE ==> */ S_STOPPING, /* S_ELECTION ==> */ S_STOPPING, /* S_INTEGRATION ==> */ S_STOPPING, /* S_FINALIZE_JOIN ==> */ S_STOPPING, /* S_NOT_DC ==> */ S_STOPPING, /* S_POLICY_ENGINE ==> */ S_STOPPING, /* S_RECOVERY ==> */ S_STOPPING, /* S_RELEASE_DC ==> */ S_STOPPING, /* S_STARTING ==> */ S_STOPPING, /* S_PENDING ==> */ S_STOPPING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_STOPPING, /* S_HALT ==> */ S_STOPPING, }, /* Got an I_TERMINATE */ { /* S_IDLE ==> */ S_TERMINATE, /* S_ELECTION ==> */ S_TERMINATE, /* S_INTEGRATION ==> */ S_TERMINATE, /* S_FINALIZE_JOIN ==> */ S_TERMINATE, /* S_NOT_DC ==> */ S_TERMINATE, /* S_POLICY_ENGINE ==> */ S_TERMINATE, /* S_RECOVERY ==> */ S_TERMINATE, /* S_RELEASE_DC ==> */ S_TERMINATE, /* S_STARTING ==> */ S_TERMINATE, /* S_PENDING ==> */ S_TERMINATE, /* S_STOPPING ==> */ S_TERMINATE, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TERMINATE, /* S_HALT ==> */ S_TERMINATE, }, /* Got an I_STARTUP */ { /* S_IDLE ==> */ S_RECOVERY, /* S_ELECTION ==> */ S_RECOVERY, /* S_INTEGRATION ==> */ S_RECOVERY, /* S_FINALIZE_JOIN ==> */ S_RECOVERY, /* S_NOT_DC ==> */ S_RECOVERY, /* S_POLICY_ENGINE ==> */ S_RECOVERY, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_RECOVERY, /* S_HALT ==> */ S_HALT, }, /* Got an I_PE_SUCCESS */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_JOIN_OFFER */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_PENDING, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_JOIN_REQUEST */ { /* S_IDLE ==> */ S_INTEGRATION, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_INTEGRATION, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_INTEGRATION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_INTEGRATION, /* S_HALT ==> */ S_HALT, }, /* Got an I_JOIN_RESULT */ { /* S_IDLE ==> */ S_INTEGRATION, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_PENDING, /* S_POLICY_ENGINE ==> */ S_INTEGRATION, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_RECOVERY, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_INTEGRATION, /* S_HALT ==> */ S_HALT, }, /* Got an I_WAIT_FOR_EVENT */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_DC_HEARTBEAT */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_LRM_EVENT */ { /* S_IDLE ==> */ S_IDLE, /* S_ELECTION ==> */ S_ELECTION, /* S_INTEGRATION ==> */ S_INTEGRATION, /* S_FINALIZE_JOIN ==> */ S_FINALIZE_JOIN, /* S_NOT_DC ==> */ S_NOT_DC, /* S_POLICY_ENGINE ==> */ S_POLICY_ENGINE, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_TRANSITION_ENGINE, /* S_HALT ==> */ S_HALT, }, /* Got an I_PENDING */ { /* S_IDLE ==> */ S_PENDING, /* S_ELECTION ==> */ S_PENDING, /* S_INTEGRATION ==> */ S_PENDING, /* S_FINALIZE_JOIN ==> */ S_PENDING, /* S_NOT_DC ==> */ S_PENDING, /* S_POLICY_ENGINE ==> */ S_PENDING, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_PENDING, /* S_PENDING ==> */ S_PENDING, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_PENDING, /* S_HALT ==> */ S_HALT, }, /* Got an I_HALT */ { /* S_IDLE ==> */ S_HALT, /* S_ELECTION ==> */ S_HALT, /* S_INTEGRATION ==> */ S_HALT, /* S_FINALIZE_JOIN ==> */ S_HALT, /* S_NOT_DC ==> */ S_HALT, /* S_POLICY_ENGINE ==> */ S_HALT, /* S_RECOVERY ==> */ S_RECOVERY, /* S_RELEASE_DC ==> */ S_RELEASE_DC, /* S_STARTING ==> */ S_STARTING, /* S_PENDING ==> */ S_HALT, /* S_STOPPING ==> */ S_STOPPING, /* S_TERMINATE ==> */ S_TERMINATE, /* S_TRANSITION_ENGINE ==> */ S_HALT, /* S_HALT ==> */ S_HALT, }, }; /* * The action table. Each entry is a set of actions to take or-ed * together. Like the state table, the rows are inputs, and * the columns are states. */ /* NOTE: In the fsa, the actions are extracted then state is updated. */ const long long crmd_fsa_actions[MAXINPUT][MAXSTATE] = { /* Got an I_NULL */ { /* S_IDLE ==> */ A_NOTHING, /* S_ELECTION ==> */ A_NOTHING, /* S_INTEGRATION ==> */ A_NOTHING, /* S_FINALIZE_JOIN ==> */ A_NOTHING, /* S_NOT_DC ==> */ A_NOTHING, /* S_POLICY_ENGINE ==> */ A_NOTHING, /* S_RECOVERY ==> */ A_NOTHING, /* S_RELEASE_DC ==> */ A_NOTHING, /* S_STARTING ==> */ A_NOTHING, /* S_PENDING ==> */ A_NOTHING, /* S_STOPPING ==> */ A_NOTHING, /* S_TERMINATE ==> */ A_NOTHING, /* S_TRANSITION_ENGINE ==> */ A_NOTHING, /* S_HALT ==> */ A_NOTHING, }, /* Got an I_CIB_OP */ { /* S_IDLE ==> */ A_ERROR, /* S_ELECTION ==> */ A_ERROR, /* S_INTEGRATION ==> */ A_ERROR, /* S_FINALIZE_JOIN ==> */ A_ERROR, /* S_NOT_DC ==> */ A_ERROR, /* S_POLICY_ENGINE ==> */ A_ERROR, /* S_RECOVERY ==> */ A_ERROR, /* S_RELEASE_DC ==> */ A_ERROR, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_ERROR, /* S_STOPPING ==> */ A_ERROR, /* S_TERMINATE ==> */ A_ERROR, /* S_TRANSITION_ENGINE ==> */ A_ERROR, /* S_HALT ==> */ A_ERROR, }, /* Got an I_CIB_UPDATE */ { /* S_IDLE ==> */ A_LOG, /* S_ELECTION ==> */ A_LOG, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_LOG, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_LOG, /* S_HALT ==> */ A_WARN, }, /* Got an I_DC_TIMEOUT */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_ELECTION_VOTE | A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_NOTHING, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_ELECTION_VOTE | A_WARN, /* S_STOPPING ==> */ A_NOTHING, /* S_TERMINATE ==> */ A_NOTHING, /* S_TRANSITION_ENGINE ==> */ A_TE_CANCEL | A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_ELECTION */ { /* S_IDLE ==> */ A_ELECTION_VOTE, /* S_ELECTION ==> */ A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_ELECTION_VOTE, /* S_FINALIZE_JOIN ==> */ A_ELECTION_VOTE, /* S_NOT_DC ==> */ A_ELECTION_VOTE, /* S_POLICY_ENGINE ==> */ A_ELECTION_VOTE, /* S_RECOVERY ==> */ A_LOG, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_ELECTION_VOTE, /* S_STOPPING ==> */ A_LOG, /* S_TERMINATE ==> */ A_LOG, /* S_TRANSITION_ENGINE ==> */ A_ELECTION_VOTE, /* S_HALT ==> */ A_ELECTION_VOTE, }, /* Got an I_PE_CALC */ { /* S_IDLE ==> */ A_PE_INVOKE, /* S_ELECTION ==> */ A_NOTHING, /* S_INTEGRATION ==> */ A_NOTHING, /* S_FINALIZE_JOIN ==> */ A_NOTHING, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_PE_INVOKE, /* S_RECOVERY ==> */ A_NOTHING, /* S_RELEASE_DC ==> */ A_NOTHING, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_ERROR, /* S_TRANSITION_ENGINE ==> */ A_PE_INVOKE, /* S_HALT ==> */ A_ERROR, }, /* Got an I_RELEASE_DC */ { /* S_IDLE ==> */ O_RELEASE, /* S_ELECTION ==> */ O_RELEASE, /* S_INTEGRATION ==> */ O_RELEASE | A_WARN, /* S_FINALIZE_JOIN ==> */ O_RELEASE | A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ O_RELEASE | A_WARN, /* S_RECOVERY ==> */ O_RELEASE, /* S_RELEASE_DC ==> */ O_RELEASE | A_WARN, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ O_RELEASE | A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_ELECTION_DC */ { /* S_IDLE ==> */ A_WARN | A_ELECTION_VOTE, /* S_ELECTION ==> */ A_LOG | A_DC_TAKEOVER | A_PE_START | A_TE_START | A_DC_JOIN_OFFER_ALL | A_DC_TIMER_STOP, /* S_INTEGRATION ==> */ A_WARN | A_ELECTION_VOTE | A_DC_JOIN_OFFER_ALL, /* S_FINALIZE_JOIN ==> */ A_WARN | A_ELECTION_VOTE | A_DC_JOIN_OFFER_ALL, /* S_NOT_DC ==> */ A_LOG | A_ELECTION_VOTE, /* S_POLICY_ENGINE ==> */ A_WARN | A_ELECTION_VOTE, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN | A_ELECTION_VOTE, /* S_STARTING ==> */ A_LOG | A_WARN, /* S_PENDING ==> */ A_LOG | A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN | A_ELECTION_VOTE, /* S_HALT ==> */ A_WARN, }, /* Got an I_ERROR */ { /* S_IDLE ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, /* S_ELECTION ==> */ A_ERROR | A_RECOVER | O_RELEASE, /* S_INTEGRATION ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, /* S_FINALIZE_JOIN ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, /* S_NOT_DC ==> */ A_ERROR | A_RECOVER, /* S_POLICY_ENGINE ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, /* S_RECOVERY ==> */ A_ERROR | O_RELEASE, /* S_RELEASE_DC ==> */ A_ERROR | A_RECOVER, /* S_STARTING ==> */ A_ERROR | A_RECOVER, /* S_PENDING ==> */ A_ERROR | A_RECOVER, /* S_STOPPING ==> */ A_ERROR | A_EXIT_1, /* S_TERMINATE ==> */ A_ERROR | A_EXIT_1, /* S_TRANSITION_ENGINE ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, /* S_HALT ==> */ A_ERROR | A_RECOVER | O_RELEASE | A_ELECTION_START, }, /* Got an I_FAIL */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN | A_DC_JOIN_OFFER_ALL, /* S_FINALIZE_JOIN ==> */ A_WARN | A_DC_JOIN_OFFER_ALL, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN | A_DC_JOIN_OFFER_ALL | A_TE_CANCEL, /* S_RECOVERY ==> */ A_WARN | O_RELEASE, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN | A_EXIT_1, /* S_TRANSITION_ENGINE ==> */ A_WARN | O_LRM_RECONNECT | A_PE_INVOKE | A_TE_CANCEL, /* S_HALT ==> */ A_WARN, }, /* Got an I_INTEGRATED */ { /* S_IDLE ==> */ A_NOTHING, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_DC_JOIN_FINALIZE, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_NOTHING, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_NOTHING, /* S_HALT ==> */ A_WARN, }, /* Got an I_FINALIZED */ { /* S_IDLE ==> */ A_NOTHING, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_DC_JOIN_FINAL | A_TE_CANCEL, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_NOTHING, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_NOTHING, /* S_HALT ==> */ A_WARN, }, /* Got an I_NODE_JOIN */ { /* S_IDLE ==> */ A_TE_HALT | A_DC_JOIN_OFFER_ONE, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_DC_JOIN_OFFER_ONE, /* S_FINALIZE_JOIN ==> */ A_DC_JOIN_OFFER_ONE, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_DC_JOIN_OFFER_ONE, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_TE_HALT | A_DC_JOIN_OFFER_ONE, /* S_HALT ==> */ A_WARN, }, /* Got an I_NOT_DC */ { /* S_IDLE ==> */ A_WARN | O_RELEASE, /* S_ELECTION ==> */ A_ERROR | A_ELECTION_START | A_DC_TIMER_STOP, /* S_INTEGRATION ==> */ A_ERROR | O_RELEASE, /* S_FINALIZE_JOIN ==> */ A_ERROR | O_RELEASE, /* S_NOT_DC ==> */ A_LOG, /* S_POLICY_ENGINE ==> */ A_ERROR | O_RELEASE, /* S_RECOVERY ==> */ A_ERROR | O_RELEASE, /* S_RELEASE_DC ==> */ A_ERROR | O_RELEASE, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_LOG | A_DC_TIMER_STOP, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_ERROR | O_RELEASE, /* S_HALT ==> */ A_WARN, }, /* Got an I_RECOVERED */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_LOG, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_RELEASE_FAIL */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_NOTHING, /* S_RECOVERY ==> */ A_WARN | A_SHUTDOWN_REQ, /* S_RELEASE_DC ==> */ A_NOTHING, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_RELEASE_SUCCESS */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_LOG, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_RESTART */ { /* S_IDLE ==> */ A_NOTHING, /* S_ELECTION ==> */ A_LOG | A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_LOG | A_DC_JOIN_OFFER_ALL, /* S_FINALIZE_JOIN ==> */ A_LOG | A_DC_JOIN_FINALIZE, /* S_NOT_DC ==> */ A_LOG | A_NOTHING, /* S_POLICY_ENGINE ==> */ A_LOG | A_PE_INVOKE, /* S_RECOVERY ==> */ A_LOG | A_RECOVER | O_RELEASE, /* S_RELEASE_DC ==> */ A_LOG | O_RELEASE, /* S_STARTING ==> */ A_LOG, /* S_PENDING ==> */ A_LOG, /* S_STOPPING ==> */ A_LOG, /* S_TERMINATE ==> */ A_LOG, /* S_TRANSITION_ENGINE ==> */ A_LOG | A_TE_INVOKE, /* S_HALT ==> */ A_WARN, }, /* Got an I_TE_SUCCESS */ { /* S_IDLE ==> */ A_LOG, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_ERROR, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_RECOVER | A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_ERROR, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_LOG, /* S_HALT ==> */ A_WARN, }, /* Got an I_ROUTER */ { /* S_IDLE ==> */ A_MSG_ROUTE, /* S_ELECTION ==> */ A_MSG_ROUTE, /* S_INTEGRATION ==> */ A_MSG_ROUTE, /* S_FINALIZE_JOIN ==> */ A_MSG_ROUTE, /* S_NOT_DC ==> */ A_MSG_ROUTE, /* S_POLICY_ENGINE ==> */ A_MSG_ROUTE, /* S_RECOVERY ==> */ A_MSG_ROUTE, /* S_RELEASE_DC ==> */ A_MSG_ROUTE, /* S_STARTING ==> */ A_MSG_ROUTE, /* S_PENDING ==> */ A_MSG_ROUTE, /* S_STOPPING ==> */ A_MSG_ROUTE, /* S_TERMINATE ==> */ A_MSG_ROUTE, /* S_TRANSITION_ENGINE ==> */ A_MSG_ROUTE, /* S_HALT ==> */ A_WARN | A_MSG_ROUTE, }, /* Got an I_SHUTDOWN */ { /* S_IDLE ==> */ A_LOG | A_SHUTDOWN_REQ, /* S_ELECTION ==> */ A_LOG | A_SHUTDOWN_REQ | A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_LOG | A_SHUTDOWN_REQ, /* S_FINALIZE_JOIN ==> */ A_LOG | A_SHUTDOWN_REQ, /* S_NOT_DC ==> */ A_SHUTDOWN_REQ, /* S_POLICY_ENGINE ==> */ A_LOG | A_SHUTDOWN_REQ, /* S_RECOVERY ==> */ A_WARN | O_EXIT | O_RELEASE, /* S_RELEASE_DC ==> */ A_WARN | A_SHUTDOWN_REQ, /* S_STARTING ==> */ A_WARN | O_EXIT, /* S_PENDING ==> */ A_SHUTDOWN_REQ, /* S_STOPPING ==> */ A_LOG, /* S_TERMINATE ==> */ A_LOG, /* S_TRANSITION_ENGINE ==> */ A_WARN | A_SHUTDOWN_REQ, /* S_HALT ==> */ A_WARN | A_ELECTION_START | A_SHUTDOWN_REQ, }, /* Got an I_STOP */ { /* S_IDLE ==> */ A_ERROR | O_RELEASE | O_EXIT, /* S_ELECTION ==> */ O_RELEASE | O_EXIT, /* S_INTEGRATION ==> */ A_WARN | O_RELEASE | O_EXIT, /* S_FINALIZE_JOIN ==> */ A_ERROR | O_RELEASE | O_EXIT, /* S_NOT_DC ==> */ O_EXIT, /* S_POLICY_ENGINE ==> */ A_WARN | O_RELEASE | O_EXIT, /* S_RECOVERY ==> */ A_ERROR | O_RELEASE | O_EXIT, /* S_RELEASE_DC ==> */ A_ERROR | O_RELEASE | O_EXIT, /* S_STARTING ==> */ O_EXIT, /* S_PENDING ==> */ O_EXIT, /* S_STOPPING ==> */ O_EXIT, /* S_TERMINATE ==> */ A_ERROR | A_EXIT_1, /* S_TRANSITION_ENGINE ==> */ A_LOG | O_RELEASE | O_EXIT, /* S_HALT ==> */ O_RELEASE | O_EXIT | A_WARN, }, /* Got an I_TERMINATE */ { /* S_IDLE ==> */ A_ERROR | O_EXIT, /* S_ELECTION ==> */ A_ERROR | O_EXIT, /* S_INTEGRATION ==> */ A_ERROR | O_EXIT, /* S_FINALIZE_JOIN ==> */ A_ERROR | O_EXIT, /* S_NOT_DC ==> */ A_ERROR | O_EXIT, /* S_POLICY_ENGINE ==> */ A_ERROR | O_EXIT, /* S_RECOVERY ==> */ A_ERROR | O_EXIT, /* S_RELEASE_DC ==> */ A_ERROR | O_EXIT, /* S_STARTING ==> */ O_EXIT, /* S_PENDING ==> */ A_ERROR | O_EXIT, /* S_STOPPING ==> */ O_EXIT, /* S_TERMINATE ==> */ O_EXIT, /* S_TRANSITION_ENGINE ==> */ A_ERROR | O_EXIT, /* S_HALT ==> */ A_ERROR | O_EXIT, }, /* Got an I_STARTUP */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_LOG | A_STARTUP | A_CIB_START | A_LRM_CONNECT | A_CCM_CONNECT | A_HA_CONNECT | A_READCONFIG | A_STARTED, /* S_PENDING ==> */ A_LOG, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN, /* S_HALT ==> */ A_WARN, }, /* Got an I_PE_SUCCESS */ { /* S_IDLE ==> */ A_LOG, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_NOTHING, /* S_POLICY_ENGINE ==> */ A_TE_INVOKE, /* S_RECOVERY ==> */ A_RECOVER | A_LOG, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_LOG, /* S_STOPPING ==> */ A_ERROR, /* S_TERMINATE ==> */ A_ERROR, /* S_TRANSITION_ENGINE ==> */ A_LOG, /* S_HALT ==> */ A_WARN, }, /* Got an I_JOIN_OFFER */ { /* S_IDLE ==> */ A_WARN | A_CL_JOIN_REQUEST, /* S_ELECTION ==> */ A_WARN | A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_CL_JOIN_REQUEST, /* S_FINALIZE_JOIN ==> */ A_CL_JOIN_REQUEST, /* S_NOT_DC ==> */ A_CL_JOIN_REQUEST | A_DC_TIMER_STOP, /* S_POLICY_ENGINE ==> */ A_WARN | A_CL_JOIN_REQUEST, /* S_RECOVERY ==> */ A_WARN | A_CL_JOIN_REQUEST | A_DC_TIMER_STOP, /* S_RELEASE_DC ==> */ A_WARN | A_CL_JOIN_REQUEST | A_DC_TIMER_STOP, /* S_STARTING ==> */ A_LOG, /* S_PENDING ==> */ A_CL_JOIN_REQUEST | A_DC_TIMER_STOP, /* S_STOPPING ==> */ A_LOG, /* S_TERMINATE ==> */ A_LOG, /* S_TRANSITION_ENGINE ==> */ A_WARN | A_CL_JOIN_REQUEST, /* S_HALT ==> */ A_WARN, }, /* Got an I_JOIN_REQUEST */ { /* S_IDLE ==> */ A_DC_JOIN_OFFER_ONE, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_DC_JOIN_PROCESS_REQ, /* S_FINALIZE_JOIN ==> */ A_DC_JOIN_OFFER_ONE, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_DC_JOIN_OFFER_ONE, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_DC_JOIN_OFFER_ONE, /* S_HALT ==> */ A_WARN, }, /* Got an I_JOIN_RESULT */ { /* S_IDLE ==> */ A_ERROR | A_TE_HALT | A_DC_JOIN_OFFER_ALL, /* S_ELECTION ==> */ A_LOG, /* S_INTEGRATION ==> */ A_LOG | A_CL_JOIN_RESULT | A_DC_JOIN_PROCESS_ACK, /* S_FINALIZE_JOIN ==> */ A_CL_JOIN_RESULT | A_DC_JOIN_PROCESS_ACK, /* S_NOT_DC ==> */ A_ERROR | A_CL_JOIN_ANNOUNCE, /* S_POLICY_ENGINE ==> */ A_ERROR | A_TE_HALT | A_DC_JOIN_OFFER_ALL, /* S_RECOVERY ==> */ A_LOG, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_ERROR, /* S_PENDING ==> */ A_CL_JOIN_RESULT, /* S_STOPPING ==> */ A_ERROR, /* S_TERMINATE ==> */ A_ERROR, /* S_TRANSITION_ENGINE ==> */ A_ERROR | A_TE_HALT | A_DC_JOIN_OFFER_ALL, /* S_HALT ==> */ A_WARN, }, /* Got an I_WAIT_FOR_EVENT */ { /* S_IDLE ==> */ A_LOG, /* S_ELECTION ==> */ A_LOG, /* S_INTEGRATION ==> */ A_LOG, /* S_FINALIZE_JOIN ==> */ A_LOG, /* S_NOT_DC ==> */ A_LOG, /* S_POLICY_ENGINE ==> */ A_LOG, /* S_RECOVERY ==> */ A_LOG, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_LOG, /* S_PENDING ==> */ A_LOG, /* S_STOPPING ==> */ A_LOG, /* S_TERMINATE ==> */ A_LOG, /* S_TRANSITION_ENGINE ==> */ A_LOG, /* S_HALT ==> */ A_WARN, }, /* Got an I_DC_HEARTBEAT */ { /* S_IDLE ==> */ A_ERROR, /* S_ELECTION ==> */ A_WARN | A_ELECTION_VOTE, /* S_INTEGRATION ==> */ A_ERROR, /* S_FINALIZE_JOIN ==> */ A_ERROR, /* S_NOT_DC ==> */ A_NOTHING, /* S_POLICY_ENGINE ==> */ A_ERROR, /* S_RECOVERY ==> */ A_NOTHING, /* S_RELEASE_DC ==> */ A_LOG, /* S_STARTING ==> */ A_LOG, /* S_PENDING ==> */ A_LOG | A_CL_JOIN_ANNOUNCE, /* S_STOPPING ==> */ A_NOTHING, /* S_TERMINATE ==> */ A_NOTHING, /* S_TRANSITION_ENGINE ==> */ A_ERROR, /* S_HALT ==> */ A_WARN, }, /* Got an I_LRM_EVENT */ { /* S_IDLE ==> */ A_LRM_EVENT, /* S_ELECTION ==> */ A_LRM_EVENT, /* S_INTEGRATION ==> */ A_LRM_EVENT, /* S_FINALIZE_JOIN ==> */ A_LRM_EVENT, /* S_NOT_DC ==> */ A_LRM_EVENT, /* S_POLICY_ENGINE ==> */ A_LRM_EVENT, /* S_RECOVERY ==> */ A_LRM_EVENT, /* S_RELEASE_DC ==> */ A_LRM_EVENT, /* S_STARTING ==> */ A_LRM_EVENT, /* S_PENDING ==> */ A_LRM_EVENT, /* S_STOPPING ==> */ A_LRM_EVENT, /* S_TERMINATE ==> */ A_LRM_EVENT, /* S_TRANSITION_ENGINE ==> */ A_LRM_EVENT, /* S_HALT ==> */ A_WARN, }, /* For everyone ending up in S_PENDING, (re)start the DC timer and wait for I_JOIN_OFFER or I_NOT_DC */ /* Got an I_PENDING */ { /* S_IDLE ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_ELECTION ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_INTEGRATION ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_FINALIZE_JOIN ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_NOT_DC ==> */ A_LOG | O_DC_TIMER_RESTART, /* S_POLICY_ENGINE ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN | O_DC_TIMER_RESTART, /* S_STARTING ==> */ A_LOG | A_DC_TIMER_START | A_CL_JOIN_QUERY, /* S_PENDING ==> */ A_LOG | O_DC_TIMER_RESTART, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ O_RELEASE | O_DC_TIMER_RESTART, /* S_HALT ==> */ A_WARN, }, /* Got an I_HALT */ { /* S_IDLE ==> */ A_WARN, /* S_ELECTION ==> */ A_WARN, /* S_INTEGRATION ==> */ A_WARN, /* S_FINALIZE_JOIN ==> */ A_WARN, /* S_NOT_DC ==> */ A_WARN, /* S_POLICY_ENGINE ==> */ A_WARN, /* S_RECOVERY ==> */ A_WARN, /* S_RELEASE_DC ==> */ A_WARN, /* S_STARTING ==> */ A_WARN, /* S_PENDING ==> */ A_WARN, /* S_STOPPING ==> */ A_WARN, /* S_TERMINATE ==> */ A_WARN, /* S_TRANSITION_ENGINE ==> */ A_WARN, /* S_HALT ==> */ A_WARN, }, }; #endif pacemaker-master/crmd/fsa_proto.h000066400000000000000000000237621217637305600174150ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef XML_FSA_PROTO__H # define XML_FSA_PROTO__H extern xmlNode *do_lrm_query(gboolean, const char *node_name); /* A_READCONFIG */ void do_read_config(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_PE_INVOKE */ void do_pe_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_ERROR */ void do_error(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_LOG */ void do_log(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_STARTUP */ void do_startup(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_CIB_START, STOP, RESTART */ void do_cib_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_HA_CONNECT */ void do_ha_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_CCM_CONNECT */ void do_ccm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_LRM_CONNECT */ void do_lrm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_PE_START, STOP, RESTART */ void do_pe_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_TE_START, STOP, RESTART */ void do_te_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_STARTED */ void do_started(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_MSG_ROUTE */ void do_msg_route(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_RECOVER */ void do_recover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_ELECTION_VOTE */ void do_election_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_ELECTION_COUNT */ void do_election_count_vote(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_ELECTION_CHECK */ void do_election_check(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_ELECT_TIMER_START, A_ELECTION_TIMEOUT */ void do_election_timer_ctrl(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_TIMER_STOP */ void do_timer_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); # if SUPPORT_HEARTBEAT /* A_CCM_UPDATE_CACHE */ void do_ccm_update_cache(enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, oc_ed_t event, const oc_ev_membership_t * oc, xmlNode * xml); # endif /* A_CCM_EVENT */ void do_ccm_event(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_TAKEOVER */ void do_dc_takeover(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_RELEASE */ void do_dc_release(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_JOIN_OFFER_ALL */ void do_dc_join_offer_all(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_JOIN_OFFER_ONE */ void do_dc_join_offer_one(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_JOIN_ACK */ void do_dc_join_ack(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_JOIN_REQ */ void do_dc_join_filter_offer(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_DC_JOIN_FINALIZE */ void do_dc_join_finalize(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_CL_JOIN_QUERY */ /* is there a DC out there? */ void do_cl_join_query(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_CL_JOIN_ANNOUNCE */ void do_cl_join_announce(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_CL_JOIN_REQUEST */ void do_cl_join_offer_respond(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_CL_JOIN_RESULT */ void do_cl_join_finalize_respond(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); /* A_UPDATE_NODESTATUS */ void do_update_node_status(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_LRM_INVOKE */ void do_lrm_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_LRM_EVENT */ void do_lrm_event(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_PE_INVOKE */ void do_pe_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_TE_INVOKE, A_TE_CANCEL */ void do_te_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_TE_INVOKE */ void do_te_copyto(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_SHUTDOWN_REQ */ void do_shutdown_req(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_SHUTDOWN */ void do_shutdown(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_STOP */ void do_stop(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); /* A_EXIT_0, A_EXIT_1 */ void do_exit(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data); void do_dc_join_final(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data); #endif pacemaker-master/crmd/heartbeat.c000066400000000000000000000413601217637305600173450ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* put these first so that uuid_t is defined without conflicts */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include void oc_ev_special(const oc_ev_t *, oc_ev_class_t, int); void ccm_event_detail(const oc_ev_membership_t * oc, oc_ed_t event); gboolean crmd_ha_msg_dispatch(ll_cluster_t * cluster_conn, gpointer user_data); void crmd_ccm_msg_callback(oc_ed_t event, void *cookie, size_t size, const void *data); int ccm_dispatch(gpointer user_data); #define CCM_EVENT_DETAIL 0 #define CCM_EVENT_DETAIL_PARTIAL 0 int (*ccm_api_callback_done) (void *cookie) = NULL; int (*ccm_api_handle_event) (const oc_ev_t * token) = NULL; static oc_ev_t *fsa_ev_token; static void *ccm_library = NULL; static int num_ccm_register_fails = 0; static int max_ccm_register_fails = 30; static void ccm_connection_destroy(void *userdata) { } /* A_CCM_CONNECT */ void do_ccm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { static struct mainloop_fd_callbacks ccm_fd_callbacks = { .dispatch = ccm_dispatch, .destroy = ccm_connection_destroy, }; if (is_heartbeat_cluster()) { int (*ccm_api_register) (oc_ev_t ** token) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_register", 1); int (*ccm_api_set_callback) (const oc_ev_t * token, oc_ev_class_t class, oc_ev_callback_t * fn, oc_ev_callback_t ** prev_fn) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_set_callback", 1); void (*ccm_api_special) (const oc_ev_t *, oc_ev_class_t, int) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_special", 1); int (*ccm_api_activate) (const oc_ev_t * token, int *fd) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_activate", 1); int (*ccm_api_unregister) (oc_ev_t * token) = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_unregister", 1); if (action & A_CCM_DISCONNECT) { set_bit(fsa_input_register, R_CCM_DISCONNECTED); (*ccm_api_unregister) (fsa_ev_token); } if (action & A_CCM_CONNECT) { int ret; int fsa_ev_fd; gboolean did_fail = FALSE; crm_trace("Registering with CCM"); clear_bit(fsa_input_register, R_CCM_DISCONNECTED); ret = (*ccm_api_register) (&fsa_ev_token); if (ret != 0) { crm_warn("CCM registration failed"); did_fail = TRUE; } if (did_fail == FALSE) { crm_trace("Setting up CCM callbacks"); ret = (*ccm_api_set_callback) (fsa_ev_token, OC_EV_MEMB_CLASS, crmd_ccm_msg_callback, NULL); if (ret != 0) { crm_warn("CCM callback not set"); did_fail = TRUE; } } if (did_fail == FALSE) { (*ccm_api_special) (fsa_ev_token, OC_EV_MEMB_CLASS, 0 /*don't care */ ); crm_trace("Activating CCM token"); ret = (*ccm_api_activate) (fsa_ev_token, &fsa_ev_fd); if (ret != 0) { crm_warn("CCM Activation failed"); did_fail = TRUE; } } if (did_fail) { num_ccm_register_fails++; (*ccm_api_unregister) (fsa_ev_token); if (num_ccm_register_fails < max_ccm_register_fails) { crm_warn("CCM Connection failed" " %d times (%d max)", num_ccm_register_fails, max_ccm_register_fails); crm_timer_start(wait_timer); crmd_fsa_stall(FALSE); return; } else { crm_err("CCM Activation failed %d (max) times", num_ccm_register_fails); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); return; } } crm_info("CCM connection established... waiting for first callback"); mainloop_add_fd("heartbeat-ccm", G_PRIORITY_HIGH, fsa_ev_fd, fsa_ev_token, &ccm_fd_callbacks); } } if (action & ~(A_CCM_CONNECT | A_CCM_DISCONNECT)) { crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } } void ccm_event_detail(const oc_ev_membership_t * oc, oc_ed_t event) { int lpc; gboolean member = FALSE; member = FALSE; crm_trace("-----------------------"); crm_info("%s: trans=%d, nodes=%d, new=%d, lost=%d n_idx=%d, " "new_idx=%d, old_idx=%d", ccm_event_name(event), oc->m_instance, oc->m_n_member, oc->m_n_in, oc->m_n_out, oc->m_memb_idx, oc->m_in_idx, oc->m_out_idx); #if !CCM_EVENT_DETAIL_PARTIAL for (lpc = 0; lpc < oc->m_n_member; lpc++) { crm_info("\tCURRENT: %s [nodeid=%d, born=%d]", oc->m_array[oc->m_memb_idx + lpc].node_uname, oc->m_array[oc->m_memb_idx + lpc].node_id, oc->m_array[oc->m_memb_idx + lpc].node_born_on); if (safe_str_eq(fsa_our_uname, oc->m_array[oc->m_memb_idx + lpc].node_uname)) { member = TRUE; } } if (member == FALSE) { crm_warn("MY NODE IS NOT IN CCM THE MEMBERSHIP LIST"); } #endif for (lpc = 0; lpc < (int)oc->m_n_in; lpc++) { crm_info("\tNEW: %s [nodeid=%d, born=%d]", oc->m_array[oc->m_in_idx + lpc].node_uname, oc->m_array[oc->m_in_idx + lpc].node_id, oc->m_array[oc->m_in_idx + lpc].node_born_on); } for (lpc = 0; lpc < (int)oc->m_n_out; lpc++) { crm_info("\tLOST: %s [nodeid=%d, born=%d]", oc->m_array[oc->m_out_idx + lpc].node_uname, oc->m_array[oc->m_out_idx + lpc].node_id, oc->m_array[oc->m_out_idx + lpc].node_born_on); } crm_trace("-----------------------"); } /* A_CCM_UPDATE_CACHE */ /* * Take the opportunity to update the node status in the CIB as well */ void do_ccm_update_cache(enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, oc_ed_t event, const oc_ev_membership_t * oc, xmlNode * xml) { unsigned long long instance = 0; unsigned int lpc = 0; if (is_heartbeat_cluster()) { CRM_ASSERT(oc != NULL); instance = oc->m_instance; } CRM_ASSERT(crm_peer_seq <= instance); switch (cur_state) { case S_STOPPING: case S_TERMINATE: case S_HALT: crm_debug("Ignoring %s CCM event %llu, we're in state %s", ccm_event_name(event), instance, fsa_state2string(cur_state)); return; case S_ELECTION: register_fsa_action(A_ELECTION_CHECK); break; default: break; } if (is_heartbeat_cluster()) { ccm_event_detail(oc, event); /*--*-- Recently Dead Member Nodes --*--*/ for (lpc = 0; lpc < oc->m_n_out; lpc++) { crm_update_ccm_node(oc, lpc + oc->m_out_idx, CRM_NODE_LOST, instance); } /*--*-- All Member Nodes --*--*/ for (lpc = 0; lpc < oc->m_n_member; lpc++) { crm_update_ccm_node(oc, lpc + oc->m_memb_idx, CRM_NODE_ACTIVE, instance); } } if (event == OC_EV_MS_EVICTED) { crm_node_t *peer = crm_get_peer(0, fsa_our_uname); crm_update_peer_state(__FUNCTION__, peer, CRM_NODE_EVICTED, 0); /* todo: drop back to S_PENDING instead */ /* get out... NOW! * * go via the error recovery process so that HA will * restart us if required */ register_fsa_error_adv(cause, I_ERROR, NULL, NULL, __FUNCTION__); } post_cache_update(instance); return; } int ccm_dispatch(gpointer user_data) { int rc = 0; oc_ev_t *ccm_token = (oc_ev_t *) user_data; gboolean was_error = FALSE; crm_trace("Invoked"); if (ccm_api_handle_event == NULL) { ccm_api_handle_event = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_handle_event", 1); } rc = (*ccm_api_handle_event) (ccm_token); if (rc != 0) { if (is_set(fsa_input_register, R_CCM_DISCONNECTED) == FALSE) { /* we signed out, so this is expected */ register_fsa_input(C_CCM_CALLBACK, I_ERROR, NULL); crm_err("CCM connection appears to have failed: rc=%d.", rc); } was_error = TRUE; } trigger_fsa(fsa_source); if (was_error) { return -1; } return 0; } void crmd_ccm_msg_callback(oc_ed_t event, void *cookie, size_t size, const void *data) { gboolean update_cache = FALSE; const oc_ev_membership_t *membership = data; gboolean update_quorum = FALSE; crm_trace("Invoked"); CRM_ASSERT(data != NULL); crm_info("Quorum %s after event=%s (id=%d)", ccm_have_quorum(event) ? "(re)attained" : "lost", ccm_event_name(event), membership->m_instance); if (crm_peer_seq > membership->m_instance) { crm_err("Membership instance ID went backwards! %llu->%d", crm_peer_seq, membership->m_instance); CRM_ASSERT(crm_peer_seq <= membership->m_instance); return; } /* * OC_EV_MS_NEW_MEMBERSHIP: membership with quorum * OC_EV_MS_MS_INVALID: membership without quorum * OC_EV_MS_NOT_PRIMARY: previous membership no longer valid * OC_EV_MS_PRIMARY_RESTORED: previous membership restored * OC_EV_MS_EVICTED: the client is evicted from ccm. */ switch (event) { case OC_EV_MS_NEW_MEMBERSHIP: case OC_EV_MS_INVALID: update_cache = TRUE; update_quorum = TRUE; break; case OC_EV_MS_NOT_PRIMARY: break; case OC_EV_MS_PRIMARY_RESTORED: update_cache = TRUE; crm_peer_seq = membership->m_instance; break; case OC_EV_MS_EVICTED: update_quorum = TRUE; register_fsa_input(C_FSA_INTERNAL, I_STOP, NULL); crm_err("Shutting down after CCM event: %s", ccm_event_name(event)); break; default: crm_err("Unknown CCM event: %d", event); } if (update_quorum) { crm_have_quorum = ccm_have_quorum(event); if (crm_have_quorum == FALSE) { /* did we just loose quorum? */ if (fsa_has_quorum) { crm_info("Quorum lost: %s", ccm_event_name(event)); } } crm_update_quorum(crm_have_quorum, FALSE); } if (update_cache) { crm_trace("Updating cache after event %s", ccm_event_name(event)); do_ccm_update_cache(C_CCM_CALLBACK, fsa_state, event, data, NULL); } else if (event != OC_EV_MS_NOT_PRIMARY) { crm_peer_seq = membership->m_instance; register_fsa_action(A_TE_CANCEL); } if (ccm_api_callback_done == NULL) { ccm_api_callback_done = find_library_function(&ccm_library, CCM_LIBRARY, "oc_ev_callback_done", 1); } (*ccm_api_callback_done) (cookie); return; } void crmd_ha_status_callback(const char *node, const char *status, void *private) { xmlNode *update = NULL; crm_node_t *peer = NULL; crm_notice("Status update: Node %s now has status [%s]", node, status); peer = crm_get_peer(0, node); if (safe_str_eq(status, PINGSTATUS)) { return; } if (safe_str_eq(status, DEADSTATUS)) { /* this node is toast */ crm_update_peer_proc(__FUNCTION__, peer, crm_proc_heartbeat, OFFLINESTATUS); } else { crm_update_peer_proc(__FUNCTION__, peer, crm_proc_heartbeat, ONLINESTATUS); } trigger_fsa(fsa_source); if (AM_I_DC) { update = do_update_node_cib(peer, node_update_cluster, NULL, __FUNCTION__); fsa_cib_anon_update(XML_CIB_TAG_STATUS, update, cib_scope_local | cib_quorum_override | cib_can_create); free_xml(update); } } void crmd_client_status_callback(const char *node, const char *client, const char *status, void *private) { crm_node_t *peer = NULL; crm_trace("Invoked"); if (safe_str_neq(client, CRM_SYSTEM_CRMD)) { return; } set_bit(fsa_input_register, R_PEER_DATA); crm_notice("Status update: Client %s/%s now has status [%s] (DC=%s)", node, client, status, AM_I_DC ? "true" : "false"); peer = crm_get_peer(0, node); if (safe_str_eq(status, ONLINESTATUS)) { /* remove the cached value in case it changed */ crm_trace("Uncaching UUID for %s", node); free(peer->uuid); peer->uuid = NULL; } crm_update_peer_proc(__FUNCTION__, peer, crm_proc_crmd, status); if (AM_I_DC) { xmlNode *update = NULL; crm_trace("Got client status callback"); update = do_update_node_cib(peer, node_update_peer, NULL, __FUNCTION__); fsa_cib_anon_update(XML_CIB_TAG_STATUS, update, cib_scope_local | cib_quorum_override | cib_can_create); free_xml(update); } } void crmd_ha_msg_callback(HA_Message * hamsg, void *private_data) { int level = LOG_DEBUG; crm_node_t *from_node = NULL; xmlNode *msg = convert_ha_message(NULL, hamsg, __FUNCTION__); const char *from = crm_element_value(msg, F_ORIG); const char *op = crm_element_value(msg, F_CRM_TASK); const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); CRM_CHECK(from != NULL, crm_log_xml_err(msg, "anon"); goto bail); crm_trace("HA[inbound]: %s from %s", op, from); if (crm_peer_cache == NULL || crm_active_peers() == 0) { crm_debug("Ignoring HA messages until we are" " connected to the CCM (%s op from %s)", op, from); crm_log_xml_trace(msg, "HA[inbound]: Ignore (No CCM)"); goto bail; } from_node = crm_get_peer(0, from); if (crm_is_peer_active(from_node) == FALSE) { if (safe_str_eq(op, CRM_OP_VOTE)) { level = LOG_WARNING; } else if (AM_I_DC && safe_str_eq(op, CRM_OP_JOIN_ANNOUNCE)) { level = LOG_WARNING; } else if (safe_str_eq(sys_from, CRM_SYSTEM_DC)) { level = LOG_WARNING; } do_crm_log(level, "Ignoring HA message (op=%s) from %s: not in our" " membership list (size=%d)", op, from, crm_active_peers()); crm_log_xml_trace(msg, "HA[inbound]: CCM Discard"); } else { crmd_ha_msg_filter(msg); } bail: free_xml(msg); return; } gboolean crmd_ha_msg_dispatch(ll_cluster_t * cluster_conn, gpointer user_data) { IPC_Channel *channel = NULL; gboolean stay_connected = TRUE; crm_trace("Invoked"); if (cluster_conn != NULL) { channel = cluster_conn->llc_ops->ipcchan(cluster_conn); } CRM_CHECK(cluster_conn != NULL,;); CRM_CHECK(channel != NULL,;); if (channel != NULL && IPC_ISRCONN(channel)) { if (cluster_conn->llc_ops->msgready(cluster_conn) == 0) { crm_trace("no message ready yet"); } /* invoke the callbacks but dont block */ cluster_conn->llc_ops->rcvmsg(cluster_conn, 0); } if (channel == NULL || channel->ch_status != IPC_CONNECT) { if (is_set(fsa_input_register, R_HA_DISCONNECTED) == FALSE) { crm_crit("Lost connection to heartbeat service."); } else { crm_info("Lost connection to heartbeat service."); } trigger_fsa(fsa_source); stay_connected = FALSE; } return stay_connected; } pacemaker-master/crmd/join_client.c000066400000000000000000000236151217637305600177060ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include int reannounce_count = 0; void join_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); extern ha_msg_input_t *copy_ha_msg_input(ha_msg_input_t * orig); /* A_CL_JOIN_QUERY */ /* is there a DC out there? */ void do_cl_join_query(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { xmlNode *req = create_request(CRM_OP_JOIN_ANNOUNCE, NULL, NULL, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL); sleep(1); /* give the CCM time to propogate to the DC */ update_dc(NULL); /* Unset any existing value so that the result is not discarded */ crm_debug("Querying for a DC"); send_cluster_message(NULL, crm_msg_crmd, req, FALSE); free_xml(req); } /* A_CL_JOIN_ANNOUNCE */ /* this is kind of a workaround for the fact that we may not be around * or are otherwise unable to reply when the DC sends out A_WELCOME_ALL */ void do_cl_join_announce(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { /* Once we hear from the DC, we can stop the timer * * This timer was started either on startup or when a node * left the CCM list */ /* dont announce if we're in one of these states */ if (cur_state != S_PENDING) { crm_warn("Do not announce ourselves in state %s", fsa_state2string(cur_state)); return; } if (AM_I_OPERATIONAL) { /* send as a broadcast */ xmlNode *req = create_request(CRM_OP_JOIN_ANNOUNCE, NULL, NULL, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL); crm_debug("Announcing availability"); update_dc(NULL); send_cluster_message(NULL, crm_msg_crmd, req, FALSE); free_xml(req); } else { /* Delay announce until we have finished local startup */ crm_warn("Delaying announce until local startup is complete"); return; } } static int query_call_id = 0; /* A_CL_JOIN_REQUEST */ /* aka. accept the welcome offer */ void do_cl_join_offer_respond(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg); const char *welcome_from = crm_element_value(input->msg, F_CRM_HOST_FROM); const char *join_id = crm_element_value(input->msg, F_CRM_JOIN_ID); #if 0 if (we are sick) { log error; /* save the request for later? */ return; } #endif crm_trace("Accepting join offer from %s: join-%s", welcome_from, crm_element_value(input->msg, F_CRM_JOIN_ID)); /* we only ever want the last one */ if (query_call_id > 0) { crm_trace("Cancelling previous join query: %d", query_call_id); remove_cib_op_callback(query_call_id, FALSE); query_call_id = 0; } if (update_dc(input->msg) == FALSE) { crm_warn("Discarding offer from %s (expected %s)", welcome_from, fsa_our_dc); return; } CRM_LOG_ASSERT(input != NULL); query_call_id = fsa_cib_conn->cmds->query(fsa_cib_conn, NULL, NULL, cib_scope_local | cib_no_children); fsa_register_cib_callback(query_call_id, FALSE, strdup(join_id), join_query_callback); crm_trace("Registered join query callback: %d", query_call_id); register_fsa_action(A_DC_TIMER_STOP); } void join_query_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { xmlNode *local_cib = NULL; char *join_id = user_data; xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE); CRM_LOG_ASSERT(join_id != NULL); query_call_id = 0; if (rc == pcmk_ok) { local_cib = output; CRM_LOG_ASSERT(safe_str_eq(crm_element_name(local_cib), XML_TAG_CIB)); } if (local_cib != NULL) { xmlNode *reply = NULL; crm_debug("Respond to join offer join-%s", join_id); crm_debug("Acknowledging %s as our DC", fsa_our_dc); copy_in_properties(generation, local_cib); reply = create_request(CRM_OP_JOIN_REQUEST, generation, fsa_our_dc, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL); crm_xml_add(reply, F_CRM_JOIN_ID, join_id); if (fsa_our_dc) { send_cluster_message(crm_get_peer(0, fsa_our_dc), crm_msg_crmd, reply, TRUE); } else { crm_warn("No DC for join-%s", join_id); send_cluster_message(NULL, crm_msg_crmd, reply, TRUE); } free_xml(reply); } else { crm_err("Could not retrieve Generation to attach to our" " join acknowledgement: %s", pcmk_strerror(rc)); register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__); } free(join_id); free_xml(generation); } /* A_CL_JOIN_RESULT */ /* aka. this is notification that we have (or have not) been accepted */ void do_cl_join_finalize_respond(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { xmlNode *tmp1 = NULL; gboolean was_nack = TRUE; static gboolean first_join = TRUE; ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg); int join_id = -1; const char *op = crm_element_value(input->msg, F_CRM_TASK); const char *ack_nack = crm_element_value(input->msg, CRM_OP_JOIN_ACKNAK); const char *welcome_from = crm_element_value(input->msg, F_CRM_HOST_FROM); if (safe_str_neq(op, CRM_OP_JOIN_ACKNAK)) { crm_trace("Ignoring op=%s message", op); return; } /* calculate if it was an ack or a nack */ if (crm_is_true(ack_nack)) { was_nack = FALSE; } crm_element_value_int(input->msg, F_CRM_JOIN_ID, &join_id); if (was_nack) { crm_err("Join (join-%d) with leader %s failed (NACK'd): Shutting down", join_id, welcome_from); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); return; } if (AM_I_DC == FALSE && safe_str_eq(welcome_from, fsa_our_uname)) { crm_warn("Discarding our own welcome - we're no longer the DC"); return; } if (update_dc(input->msg) == FALSE) { crm_warn("Discarding %s from %s (expected %s)", op, welcome_from, fsa_our_dc); return; } /* send our status section to the DC */ crm_debug("Confirming join join-%d: %s", join_id, crm_element_value(input->msg, F_CRM_TASK)); tmp1 = do_lrm_query(TRUE, fsa_our_uname); if (tmp1 != NULL) { xmlNode *reply = create_request(CRM_OP_JOIN_CONFIRM, tmp1, fsa_our_dc, CRM_SYSTEM_DC, CRM_SYSTEM_CRMD, NULL); crm_xml_add_int(reply, F_CRM_JOIN_ID, join_id); crm_debug("join-%d: Join complete." " Sending local LRM status to %s", join_id, fsa_our_dc); if (first_join) { first_join = FALSE; /* * Clear any previous transient node attribute and lrm operations * * Corosync has a nasty habit of not being able to tell if a * node is returning or didn't leave in the first place. * This confuses Pacemaker because it never gets a "node up" * event which is normally used to clean up the status section. * * Do not remove the resources though, they'll be cleaned up in * do_dc_join_ack(). Removing them here creates a race * condition if the crmd is being recovered. * Instead of a list of active resources from the lrmd * we may end up with a blank status section. * If we are _NOT_ lucky, we will probe for the "wrong" instance * of anonymous clones and end up with multiple active * instances on the machine. */ erase_status_tag(fsa_our_uname, XML_TAG_TRANSIENT_NODEATTRS, 0); /* Just in case attrd was still around too */ if (is_not_set(fsa_input_register, R_SHUTDOWN)) { update_attrd(fsa_our_uname, "terminate", NULL, NULL, FALSE); update_attrd(fsa_our_uname, XML_CIB_ATTR_SHUTDOWN, NULL, NULL, FALSE); } } send_cluster_message(crm_get_peer(0, fsa_our_dc), crm_msg_crmd, reply, TRUE); free_xml(reply); if (AM_I_DC == FALSE) { register_fsa_input_adv(cause, I_NOT_DC, NULL, A_NOTHING, TRUE, __FUNCTION__); update_attrd(NULL, NULL, NULL, NULL, FALSE); } free_xml(tmp1); } else { crm_err("Could not send our LRM state to the DC"); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); } } pacemaker-master/crmd/join_dc.c000066400000000000000000000567271217637305600170300ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include "tengine.h" char *max_epoch = NULL; char *max_generation_from = NULL; xmlNode *max_generation_xml = NULL; void initialize_join(gboolean before); void finalize_join_for(gpointer key, gpointer value, gpointer user_data); void finalize_sync_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); static int current_join_id = 0; unsigned long long saved_ccm_membership_id = 0; void crm_update_peer_join(const char *source, crm_node_t * node, enum crm_join_phase phase) { enum crm_join_phase last = 0; if(node == NULL) { crm_err("%s: Could not set join-%u to %d for NULL", source, current_join_id, phase); return; } last = node->join; if(phase == last) { crm_trace("%s: Node %s[%u] - join-%u phase still %u", source, node->uname, node->id, current_join_id, last); } else if (phase <= crm_join_none) { node->join = phase; crm_info("%s: Node %s[%u] - join-%u phase %u -> %u", source, node->uname, node->id, current_join_id, last, phase); } else if(phase == last + 1) { node->join = phase; crm_info("%s: Node %s[%u] - join-%u phase %u -> %u", source, node->uname, node->id, current_join_id, last, phase); } else { crm_err("%s: Node %s[%u] - join-%u phase cannot transition from %u to %u", source, node->uname, node->id, current_join_id, last, phase); } } void initialize_join(gboolean before) { GHashTableIter iter; crm_node_t *peer = NULL; /* clear out/reset a bunch of stuff */ crm_debug("join-%d: Initializing join data (flag=%s)", current_join_id, before ? "true" : "false"); g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &peer)) { crm_update_peer_join(__FUNCTION__, peer, crm_join_none); } if (before) { if (max_generation_from != NULL) { free(max_generation_from); max_generation_from = NULL; } if (max_generation_xml != NULL) { free_xml(max_generation_xml); max_generation_xml = NULL; } clear_bit(fsa_input_register, R_HAVE_CIB); clear_bit(fsa_input_register, R_CIB_ASKED); } } static void join_make_offer(gpointer key, gpointer value, gpointer user_data) { const char *join_to = NULL; const crm_node_t *member = value; CRM_ASSERT(member != NULL); if (crm_is_peer_active(member) == FALSE) { crm_trace("Not making an offer to %s: not active", member->uname); return; } join_to = member->uname; if (join_to == NULL) { crm_err("No recipient for welcome message"); return; } if (saved_ccm_membership_id != crm_peer_seq) { saved_ccm_membership_id = crm_peer_seq; crm_info("Making join offers based on membership %llu", crm_peer_seq); } if(user_data && member->join > crm_join_none) { crm_info("Skipping %s: already known %d", member->uname, member->join); return; } crm_update_peer_join(__FUNCTION__, (crm_node_t*)member, crm_join_none); if (crm_is_peer_active(member)) { crm_node_t *peer = crm_get_peer(0, join_to); xmlNode *offer = create_request(CRM_OP_JOIN_OFFER, NULL, join_to, CRM_SYSTEM_CRMD, CRM_SYSTEM_DC, NULL); crm_xml_add_int(offer, F_CRM_JOIN_ID, current_join_id); /* send the welcome */ crm_info("join-%d: Sending offer to %s", current_join_id, join_to); send_cluster_message(peer, crm_msg_crmd, offer, TRUE); free_xml(offer); crm_update_peer_join(__FUNCTION__, peer, crm_join_welcomed); /* crm_update_peer_expected(__FUNCTION__, member, CRMD_JOINSTATE_PENDING); */ } else { crm_info("Peer process on %s is not active (yet?): %.8lx %d", join_to, (long)member->processes, g_hash_table_size(crm_peer_cache)); } } /* A_DC_JOIN_OFFER_ALL */ void do_dc_join_offer_all(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { /* reset everyones status back to down or in_ccm in the CIB * * any nodes that are active in the CIB but not in the CCM list * will be seen as offline by the PE anyway */ current_join_id++; initialize_join(TRUE); /* do_update_cib_nodes(TRUE, __FUNCTION__); */ update_dc(NULL); if (cause == C_HA_MESSAGE && current_input == I_NODE_JOIN) { crm_info("A new node joined the cluster"); } g_hash_table_foreach(crm_peer_cache, join_make_offer, NULL); /* dont waste time by invoking the PE yet; */ crm_info("join-%d: Waiting on %d outstanding join acks", current_join_id, crmd_join_phase_count(crm_join_welcomed)); } /* A_DC_JOIN_OFFER_ONE */ void do_dc_join_offer_one(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { crm_node_t *member; ha_msg_input_t *welcome = NULL; const char *op = NULL; const char *join_to = NULL; if (msg_data->data) { welcome = fsa_typed_data(fsa_dt_ha_msg); } else { crm_info("An unknown node joined - (re-)offer to any unconfirmed nodes"); g_hash_table_foreach(crm_peer_cache, join_make_offer, &member); check_join_state(cur_state, __FUNCTION__); return; } if (welcome == NULL) { crm_err("Attempt to send welcome message without a message to reply to!"); return; } join_to = crm_element_value(welcome->msg, F_CRM_HOST_FROM); if (join_to == NULL) { crm_err("Attempt to send welcome message without a host to reply to!"); return; } member = crm_get_peer(0, join_to); op = crm_element_value(welcome->msg, F_CRM_TASK); if (join_to != NULL && (cur_state == S_INTEGRATION || cur_state == S_FINALIZE_JOIN)) { /* note: it _is_ possible that a node will have been * sick or starting up when the original offer was made. * however, it will either re-announce itself in due course * _or_ we can re-store the original offer on the client. */ crm_trace("(Re-)offering membership to %s...", join_to); } crm_info("join-%d: Processing %s request from %s in state %s", current_join_id, op, join_to, fsa_state2string(cur_state)); crm_update_peer_join(__FUNCTION__, member, crm_join_none); join_make_offer(NULL, member, NULL); /* always offer to the DC (ourselves) * this ensures the correct value for max_generation_from */ member = crm_get_peer(0, fsa_our_uname); join_make_offer(NULL, member, NULL); /* this was a genuine join request, cancel any existing * transition and invoke the PE */ abort_transition(INFINITY, tg_restart, "Node join", NULL); /* dont waste time by invoking the pe yet; */ crm_debug("Waiting on %d outstanding join acks for join-%d", crmd_join_phase_count(crm_join_welcomed), current_join_id); } static int compare_int_fields(xmlNode * left, xmlNode * right, const char *field) { const char *elem_l = crm_element_value(left, field); const char *elem_r = crm_element_value(right, field); int int_elem_l = crm_int_helper(elem_l, NULL); int int_elem_r = crm_int_helper(elem_r, NULL); if (int_elem_l < int_elem_r) { return -1; } else if (int_elem_l > int_elem_r) { return 1; } return 0; } /* A_DC_JOIN_PROCESS_REQ */ void do_dc_join_filter_offer(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { xmlNode *generation = NULL; int cmp = 0; int join_id = -1; gboolean ack_nack_bool = TRUE; const char *ack_nack = CRMD_JOINSTATE_MEMBER; ha_msg_input_t *join_ack = fsa_typed_data(fsa_dt_ha_msg); const char *join_from = crm_element_value(join_ack->msg, F_CRM_HOST_FROM); const char *ref = crm_element_value(join_ack->msg, F_CRM_REFERENCE); crm_node_t *join_node = crm_get_peer(0, join_from); crm_debug("Processing req from %s", join_from); generation = join_ack->xml; crm_element_value_int(join_ack->msg, F_CRM_JOIN_ID, &join_id); if (max_generation_xml != NULL && generation != NULL) { int lpc = 0; const char *attributes[] = { XML_ATTR_GENERATION_ADMIN, XML_ATTR_GENERATION, XML_ATTR_NUMUPDATES, }; for (lpc = 0; cmp == 0 && lpc < DIMOF(attributes); lpc++) { cmp = compare_int_fields(max_generation_xml, generation, attributes[lpc]); } } if (join_id != current_join_id) { crm_debug("Invalid response from %s: join-%d vs. join-%d", join_from, join_id, current_join_id); check_join_state(cur_state, __FUNCTION__); return; } else if (join_node == NULL || crm_is_peer_active(join_node) == FALSE) { crm_err("Node %s is not a member", join_from); ack_nack_bool = FALSE; } else if (generation == NULL) { crm_err("Generation was NULL"); ack_nack_bool = FALSE; } else if (max_generation_xml == NULL) { max_generation_xml = copy_xml(generation); max_generation_from = strdup(join_from); } else if (cmp < 0 || (cmp == 0 && safe_str_eq(join_from, fsa_our_uname))) { crm_debug("%s has a better generation number than" " the current max %s", join_from, max_generation_from); if (max_generation_xml) { crm_log_xml_debug(max_generation_xml, "Max generation"); } crm_log_xml_debug(generation, "Their generation"); free(max_generation_from); free_xml(max_generation_xml); max_generation_from = strdup(join_from); max_generation_xml = copy_xml(join_ack->xml); } if (ack_nack_bool == FALSE) { /* NACK this client */ ack_nack = CRMD_JOINSTATE_NACK; crm_update_peer_join(__FUNCTION__, join_node, crm_join_nack); crm_err("join-%d: NACK'ing node %s (ref %s)", join_id, join_from, ref); } else { crm_debug("join-%d: Welcoming node %s (ref %s)", join_id, join_from, ref); crm_update_peer_join(__FUNCTION__, join_node, crm_join_integrated); } crm_update_peer_expected(__FUNCTION__, join_node, ack_nack); crm_debug("%u nodes have been integrated into join-%d", crmd_join_phase_count(crm_join_integrated), join_id); if (check_join_state(cur_state, __FUNCTION__) == FALSE) { /* dont waste time by invoking the PE yet; */ crm_debug("join-%d: Still waiting on %d outstanding offers", join_id, crmd_join_phase_count(crm_join_welcomed)); } } /* A_DC_JOIN_FINALIZE */ void do_dc_join_finalize(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { char *sync_from = NULL; int rc = pcmk_ok; /* This we can do straight away and avoid clients timing us out * while we compute the latest CIB */ crm_debug("Finializing join-%d for %d clients", current_join_id, crmd_join_phase_count(crm_join_integrated)); crmd_join_phase_log(LOG_INFO); if (crmd_join_phase_count(crm_join_welcomed) != 0) { crm_info("Waiting for %d more nodes", crmd_join_phase_count(crm_join_welcomed)); /* crmd_fsa_stall(FALSE); Needed? */ return; } else if (crmd_join_phase_count(crm_join_integrated) == 0) { /* Nothing to do */ check_join_state(fsa_state, __FUNCTION__); return; } clear_bit(fsa_input_register, R_HAVE_CIB); if (max_generation_from == NULL || safe_str_eq(max_generation_from, fsa_our_uname)) { set_bit(fsa_input_register, R_HAVE_CIB); } if (is_set(fsa_input_register, R_IN_TRANSITION)) { crm_warn("join-%d: We are still in a transition." " Delaying until the TE completes.", current_join_id); crmd_fsa_stall(FALSE); return; } if (is_set(fsa_input_register, R_HAVE_CIB) == FALSE) { /* ask for the agreed best CIB */ sync_from = strdup(max_generation_from); set_bit(fsa_input_register, R_CIB_ASKED); crm_notice("join-%d: Syncing the CIB from %s to the rest of the cluster", current_join_id, sync_from); crm_log_xml_notice(max_generation_xml, "Requested version"); } else { /* Send _our_ CIB out to everyone */ sync_from = strdup(fsa_our_uname); crm_info("join-%d: Syncing our CIB to the rest of the cluster", current_join_id); crm_log_xml_debug(max_generation_xml, "Requested version"); } rc = fsa_cib_conn->cmds->sync_from(fsa_cib_conn, sync_from, NULL, cib_quorum_override); fsa_register_cib_callback(rc, FALSE, sync_from, finalize_sync_callback); } void finalize_sync_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { CRM_LOG_ASSERT(-EPERM != rc); clear_bit(fsa_input_register, R_CIB_ASKED); if (rc != pcmk_ok) { do_crm_log((rc == -pcmk_err_old_data ? LOG_WARNING : LOG_ERR), "Sync from %s failed: %s", (char *)user_data, pcmk_strerror(rc)); /* restart the whole join process */ register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION_DC, NULL, NULL, __FUNCTION__); } else if (AM_I_DC && fsa_state == S_FINALIZE_JOIN) { set_bit(fsa_input_register, R_HAVE_CIB); clear_bit(fsa_input_register, R_CIB_ASKED); /* make sure dc_uuid is re-set to us */ if (check_join_state(fsa_state, __FUNCTION__) == FALSE) { crm_debug("Notifying %d clients of join-%d results", crmd_join_phase_count(crm_join_integrated), current_join_id); g_hash_table_foreach(crm_peer_cache, finalize_join_for, NULL); } } else { crm_debug("No longer the DC in S_FINALIZE_JOIN: %s/%s", AM_I_DC ? "DC" : "CRMd", fsa_state2string(fsa_state)); } free(user_data); } static void join_update_complete_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; if (rc == pcmk_ok) { crm_debug("Join update %d complete", call_id); check_join_state(fsa_state, __FUNCTION__); } else { crm_err("Join update %d failed", call_id); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } /* A_DC_JOIN_PROCESS_ACK */ void do_dc_join_ack(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { int join_id = -1; int call_id = 0; ha_msg_input_t *join_ack = fsa_typed_data(fsa_dt_ha_msg); const char *op = crm_element_value(join_ack->msg, F_CRM_TASK); const char *join_from = crm_element_value(join_ack->msg, F_CRM_HOST_FROM); crm_node_t *peer = crm_get_peer(0, join_from); if (safe_str_neq(op, CRM_OP_JOIN_CONFIRM) || peer == NULL) { crm_debug("Ignoring op=%s message from %s", op, join_from); return; } crm_trace("Processing ack from %s", join_from); crm_element_value_int(join_ack->msg, F_CRM_JOIN_ID, &join_id); if (peer->join != crm_join_finalized) { crm_info("Join not in progress: ignoring join-%d from %s (phase = %d)", join_id, join_from, peer->join); return; } else if (join_id != current_join_id) { crm_err("Invalid response from %s: join-%d vs. join-%d", join_from, join_id, current_join_id); crm_update_peer_join(__FUNCTION__, peer, crm_join_nack); return; } crm_update_peer_join(__FUNCTION__, peer, crm_join_confirmed); crm_info("join-%d: Updating node state to %s for %s", join_id, CRMD_JOINSTATE_MEMBER, join_from); /* update CIB with the current LRM status from the node * We dont need to notify the TE of these updates, a transition will * be started in due time */ erase_status_tag(join_from, XML_CIB_TAG_LRM, cib_scope_local); fsa_cib_update(XML_CIB_TAG_STATUS, join_ack->xml, cib_scope_local | cib_quorum_override | cib_can_create, call_id, NULL); fsa_register_cib_callback(call_id, FALSE, NULL, join_update_complete_callback); crm_debug("join-%d: Registered callback for LRM update %d", join_id, call_id); } void finalize_join_for(gpointer key, gpointer value, gpointer user_data) { xmlNode *acknak = NULL; xmlNode *tmp1 = NULL; crm_node_t *join_node = value; const char *join_to = join_node->uname; if(join_node->join != crm_join_integrated) { crm_trace("Skipping %s in state %d", join_to, join_node->join); return; } /* make sure a node entry exists for the new node */ crm_trace("Creating node entry for %s", join_to); tmp1 = create_xml_node(NULL, XML_CIB_TAG_NODE); set_uuid(tmp1, XML_ATTR_UUID, join_node); crm_xml_add(tmp1, XML_ATTR_UNAME, join_to); fsa_cib_anon_update(XML_CIB_TAG_NODES, tmp1, cib_scope_local | cib_quorum_override | cib_can_create); free_xml(tmp1); join_node = crm_get_peer(0, join_to); if (crm_is_peer_active(join_node) == FALSE) { /* * NACK'ing nodes that the membership layer doesn't know about yet * simply creates more churn * * Better to leave them waiting and let the join restart when * the new membership event comes in * * All other NACKs (due to versions etc) should still be processed */ crm_update_peer_expected(__FUNCTION__, join_node, CRMD_JOINSTATE_PENDING); return; } /* send the ack/nack to the node */ acknak = create_request(CRM_OP_JOIN_ACKNAK, NULL, join_to, CRM_SYSTEM_CRMD, CRM_SYSTEM_DC, NULL); crm_xml_add_int(acknak, F_CRM_JOIN_ID, current_join_id); crm_debug("join-%d: ACK'ing join request from %s", current_join_id, join_to); crm_xml_add(acknak, CRM_OP_JOIN_ACKNAK, XML_BOOLEAN_TRUE); crm_update_peer_join(__FUNCTION__, join_node, crm_join_finalized); crm_update_peer_expected(__FUNCTION__, join_node, CRMD_JOINSTATE_MEMBER); send_cluster_message(crm_get_peer(0, join_to), crm_msg_crmd, acknak, TRUE); free_xml(acknak); return; } void ghash_print_node(gpointer key, gpointer value, gpointer user_data); gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source) { static unsigned long long highest_seq = 0; crm_debug("Invoked by %s in state: %s", source, fsa_state2string(cur_state)); if (saved_ccm_membership_id != crm_peer_seq) { crm_debug("%s: Membership changed since join started: %llu -> %llu (%llu)", source, saved_ccm_membership_id, crm_peer_seq, highest_seq); if(highest_seq < crm_peer_seq) { /* Don't spam the FSA with duplicates */ highest_seq = crm_peer_seq; register_fsa_input_before(C_FSA_INTERNAL, I_NODE_JOIN, NULL); } } else if (cur_state == S_INTEGRATION) { if (crmd_join_phase_count(crm_join_welcomed) == 0) { crm_debug("join-%d: Integration of %d peers complete: %s", current_join_id, crmd_join_phase_count(crm_join_integrated), source); register_fsa_input_before(C_FSA_INTERNAL, I_INTEGRATED, NULL); return TRUE; } } else if (cur_state == S_FINALIZE_JOIN) { if (is_set(fsa_input_register, R_HAVE_CIB) == FALSE) { crm_debug("join-%d: Delaying I_FINALIZED until we have the CIB", current_join_id); return TRUE; } else if (crmd_join_phase_count(crm_join_welcomed) != 0) { crm_debug("join-%d: Still waiting on %d welcomed nodes", current_join_id, crmd_join_phase_count(crm_join_welcomed)); crmd_join_phase_log(LOG_DEBUG); } else if (crmd_join_phase_count(crm_join_integrated) != 0) { crm_debug("join-%d: Still waiting on %d integrated nodes", current_join_id, crmd_join_phase_count(crm_join_integrated)); crmd_join_phase_log(LOG_DEBUG); } else if (crmd_join_phase_count(crm_join_finalized) != 0) { crm_debug("join-%d: Still waiting on %d finalized nodes", current_join_id, crmd_join_phase_count(crm_join_finalized)); crmd_join_phase_log(LOG_DEBUG); } else { crm_debug("join-%d complete: %s", current_join_id, source); register_fsa_input_later(C_FSA_INTERNAL, I_FINALIZED, NULL); return TRUE; } } return FALSE; } void do_dc_join_final(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { crm_debug("Ensuring DC, quorum and node attributes are up-to-date"); update_attrd(NULL, NULL, NULL, NULL, FALSE); crm_update_quorum(crm_have_quorum, TRUE); } int crmd_join_phase_count(enum crm_join_phase phase) { int count = 0; crm_node_t *peer; GHashTableIter iter; g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &peer)) { if(peer->join == phase) { count++; } } return count; } void crmd_join_phase_log(int level) { crm_node_t *peer; GHashTableIter iter; g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &peer)) { const char *state = "unknown"; switch(peer->join) { case crm_join_nack: state = "nack"; break; case crm_join_none: state = "none"; break; case crm_join_welcomed: state = "welcomed"; break; case crm_join_integrated: state = "integrated"; break; case crm_join_finalized: state = "finalized"; break; case crm_join_confirmed: state = "confirmed"; break; } do_crm_log(level, "join-%d: %s=%s", current_join_id, peer->uname, state); } } pacemaker-master/crmd/lrm.c000066400000000000000000002105741217637305600162050ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #define START_DELAY_THRESHOLD 5 * 60 * 1000 #define MAX_LRM_REG_FAILS 30 struct delete_event_s { int rc; const char *rsc; lrm_state_t *lrm_state; }; gboolean process_lrm_event(lrm_state_t * lrm_state, lrmd_event_data_t * op); static gboolean is_rsc_active(lrm_state_t * lrm_state, const char *rsc_id); static gboolean build_active_RAs(lrm_state_t * lrm_state, xmlNode * rsc_list); static gboolean stop_recurring_actions(gpointer key, gpointer value, gpointer user_data); static int delete_rsc_status(lrm_state_t * lrm_state, const char *rsc_id, int call_options, const char *user_name); static lrmd_event_data_t *construct_op(lrm_state_t * lrm_state, xmlNode * rsc_op, const char *rsc_id, const char *operation); static void do_lrm_rsc_op(lrm_state_t * lrm_state, lrmd_rsc_info_t * rsc, const char *operation, xmlNode * msg, xmlNode * request); void send_direct_ack(const char *to_host, const char *to_sys, lrmd_rsc_info_t * rsc, lrmd_event_data_t * op, const char *rsc_id); static gboolean lrm_state_verify_stopped(lrm_state_t * lrm_state, enum crmd_fsa_state cur_state, int log_level); static void lrm_connection_destroy(void) { if (is_set(fsa_input_register, R_LRM_CONNECTED)) { crm_crit("LRM Connection failed"); register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL); clear_bit(fsa_input_register, R_LRM_CONNECTED); } else { crm_info("LRM Connection disconnected"); } } static char * make_stop_id(const char *rsc, int call_id) { char *op_id = NULL; op_id = calloc(1, strlen(rsc) + 34); if (op_id != NULL) { snprintf(op_id, strlen(rsc) + 34, "%s:%d", rsc, call_id); } return op_id; } static void copy_instance_keys(gpointer key, gpointer value, gpointer user_data) { if (strstr(key, CRM_META "_") == NULL) { g_hash_table_replace(user_data, strdup((const char *)key), strdup((const char *)value)); } } static void copy_meta_keys(gpointer key, gpointer value, gpointer user_data) { if (strstr(key, CRM_META "_") != NULL) { g_hash_table_replace(user_data, strdup((const char *)key), strdup((const char *)value)); } } static void update_history_cache(lrm_state_t * lrm_state, lrmd_rsc_info_t * rsc, lrmd_event_data_t * op) { int target_rc = 0; rsc_history_t *entry = NULL; if (op->rsc_deleted) { crm_debug("Purged history for '%s' after %s", op->rsc_id, op->op_type); delete_rsc_status(lrm_state, op->rsc_id, cib_quorum_override, NULL); return; } if (safe_str_eq(op->op_type, RSC_NOTIFY)) { return; } crm_debug("Updating history for '%s' with %s op", op->rsc_id, op->op_type); entry = g_hash_table_lookup(lrm_state->resource_history, op->rsc_id); if (entry == NULL && rsc) { entry = calloc(1, sizeof(rsc_history_t)); entry->id = strdup(op->rsc_id); g_hash_table_insert(lrm_state->resource_history, entry->id, entry); entry->rsc.id = entry->id; entry->rsc.type = strdup(rsc->type); entry->rsc.class = strdup(rsc->class); if (rsc->provider) { entry->rsc.provider = strdup(rsc->provider); } else { entry->rsc.provider = NULL; } } else if (entry == NULL) { crm_info("Resource %s no longer exists, not updating cache", op->rsc_id); return; } entry->last_callid = op->call_id; target_rc = rsc_op_expected_rc(op); if (op->op_status == PCMK_LRM_OP_CANCELLED) { if (op->interval > 0) { GList *gIter, *gIterNext; crm_trace("Removing cancelled recurring op: %s_%s_%d", op->rsc_id, op->op_type, op->interval); for (gIter = entry->recurring_op_list; gIter != NULL; gIter = gIterNext) { lrmd_event_data_t *existing = gIter->data; gIterNext = gIter->next; if (safe_str_eq(op->rsc_id, existing->rsc_id) && safe_str_eq(op->op_type, existing->op_type) && op->interval == existing->interval) { lrmd_free_event(existing); entry->recurring_op_list = g_list_delete_link(entry->recurring_op_list, gIter); } } return; } else { crm_trace("Skipping %s_%s_%d rc=%d, status=%d", op->rsc_id, op->op_type, op->interval, op->rc, op->op_status); } } else if (did_rsc_op_fail(op, target_rc)) { /* We must store failed monitors here * - otherwise the block below will cause them to be forgetten them when a stop happens */ if (entry->failed) { lrmd_free_event(entry->failed); } entry->failed = lrmd_copy_event(op); } else if (op->interval == 0) { if (entry->last) { lrmd_free_event(entry->last); } entry->last = lrmd_copy_event(op); if (op->params && (safe_str_eq(CRMD_ACTION_START, op->op_type) || safe_str_eq(CRMD_ACTION_STATUS, op->op_type))) { if (entry->stop_params) { g_hash_table_destroy(entry->stop_params); } entry->stop_params = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); g_hash_table_foreach(op->params, copy_instance_keys, entry->stop_params); } } if (op->interval > 0) { crm_trace("Adding recurring op: %s_%s_%d", op->rsc_id, op->op_type, op->interval); entry->recurring_op_list = g_list_prepend(entry->recurring_op_list, lrmd_copy_event(op)); } else if (entry->recurring_op_list && safe_str_eq(op->op_type, RSC_STATUS) == FALSE) { GList *gIter = entry->recurring_op_list; crm_trace("Dropping %d recurring ops because of: %s_%s_%d", g_list_length(gIter), op->rsc_id, op->op_type, op->interval); for (; gIter != NULL; gIter = gIter->next) { lrmd_free_event(gIter->data); } g_list_free(entry->recurring_op_list); entry->recurring_op_list = NULL; } } void lrm_op_callback(lrmd_event_data_t * op) { const char *nodename = NULL; lrm_state_t *lrm_state = NULL; CRM_CHECK(op != NULL, return); /* determine the node name for this connection. */ nodename = op->remote_nodename ? op->remote_nodename : fsa_our_uname; if (op->type == lrmd_event_disconnect && (safe_str_eq(nodename, fsa_our_uname))) { /* if this is the local lrmd ipc connection, set the right bits in the * crmd when the connection goes down */ lrm_connection_destroy(); return; } else if (op->type != lrmd_event_exec_complete) { /* we only need to process execution results */ return; } lrm_state = lrm_state_find(nodename); CRM_ASSERT(lrm_state != NULL); process_lrm_event(lrm_state, op); } /* A_LRM_CONNECT */ void do_lrm_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { /* This only pertains to local lrmd connections. Remote connections are handled as * resources within the pengine. Connecting and disconnecting from remote lrmd instances * handled differently than the local. */ lrm_state_t *lrm_state = NULL; if(fsa_our_uname == NULL) { return; /* Nothing to do */ } lrm_state = lrm_state_find_or_create(fsa_our_uname); if (lrm_state == NULL) { register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); return; } if (action & A_LRM_DISCONNECT) { if (lrm_state_verify_stopped(lrm_state, cur_state, LOG_INFO) == FALSE) { if (action == A_LRM_DISCONNECT) { crmd_fsa_stall(FALSE); return; } } clear_bit(fsa_input_register, R_LRM_CONNECTED); crm_info("Disconnecting from the LRM"); lrm_state_disconnect(lrm_state); lrm_state_reset_tables(lrm_state); crm_notice("Disconnected from the LRM"); } if (action & A_LRM_CONNECT) { int ret = pcmk_ok; crm_debug("Connecting to the LRM"); ret = lrm_state_ipc_connect(lrm_state); if (ret != pcmk_ok) { if (lrm_state->num_lrm_register_fails < MAX_LRM_REG_FAILS) { crm_warn("Failed to sign on to the LRM %d" " (%d max) times", lrm_state->num_lrm_register_fails, MAX_LRM_REG_FAILS); crm_timer_start(wait_timer); crmd_fsa_stall(FALSE); return; } } if (ret != pcmk_ok) { crm_err("Failed to sign on to the LRM %d" " (max) times", lrm_state->num_lrm_register_fails); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); return; } set_bit(fsa_input_register, R_LRM_CONNECTED); crm_info("LRM connection established"); } if (action & ~(A_LRM_CONNECT | A_LRM_DISCONNECT)) { crm_err("Unexpected action %s in %s", fsa_action2string(action), __FUNCTION__); } } static gboolean lrm_state_verify_stopped(lrm_state_t * lrm_state, enum crmd_fsa_state cur_state, int log_level) { int counter = 0; gboolean rc = TRUE; const char *when = "lrm disconnect"; GHashTableIter gIter; const char *key = NULL; rsc_history_t *entry = NULL; struct recurring_op_s *pending = NULL; crm_debug("Checking for active resources before exit"); if (cur_state == S_TERMINATE) { log_level = LOG_ERR; when = "shutdown"; } else if (is_set(fsa_input_register, R_SHUTDOWN)) { when = "shutdown... waiting"; } if (lrm_state->pending_ops && lrm_state_is_connected(lrm_state) == TRUE) { guint removed = g_hash_table_foreach_remove( lrm_state->pending_ops, stop_recurring_actions, lrm_state); crm_notice("Stopped %u recurring operations at %s (%u ops remaining)", g_hash_table_size(lrm_state->pending_ops), removed, when); } if (lrm_state->pending_ops) { g_hash_table_iter_init(&gIter, lrm_state->pending_ops); while (g_hash_table_iter_next(&gIter, NULL, (void **)&pending)) { /* Ignore recurring actions in the shutdown calculations */ if (pending->interval == 0) { counter++; } } } if (counter > 0) { do_crm_log(log_level, "%d pending LRM operations at %s%s", counter, when); if (cur_state == S_TERMINATE || !is_set(fsa_input_register, R_SENT_RSC_STOP)) { g_hash_table_iter_init(&gIter, lrm_state->pending_ops); while (g_hash_table_iter_next(&gIter, (gpointer*)&key, (gpointer*)&pending)) { do_crm_log(log_level, "Pending action: %s (%s)", key, pending->op_key); } } else { rc = FALSE; } return rc; } if (lrm_state->resource_history == NULL) { return rc; } if (cur_state == S_TERMINATE || is_set(fsa_input_register, R_SHUTDOWN)) { /* At this point we're not waiting, we're just shutting down */ when = "shutdown"; } counter = 0; g_hash_table_iter_init(&gIter, lrm_state->resource_history); while (g_hash_table_iter_next(&gIter, NULL, (gpointer*)&entry)) { if (is_rsc_active(lrm_state, entry->id) == FALSE) { continue; } counter++; crm_trace("Found %s active", entry->id); if (lrm_state->pending_ops) { GHashTableIter hIter; g_hash_table_iter_init(&hIter, lrm_state->pending_ops); while (g_hash_table_iter_next(&hIter, (gpointer*)&key, (gpointer*)&pending)) { if (safe_str_eq(entry->id, pending->rsc_id)) { crm_notice("%sction %s (%s) incomplete at %s", pending->interval == 0 ? "A" : "Recurring a", key, pending->op_key, when); } } } } if (counter) { crm_err("%d resources were active at %s.", counter, when); } return rc; } static char * get_rsc_metadata(const char *type, const char *class, const char *provider) { int rc = 0; char *metadata = NULL; /* Always use a local connection for this operation */ lrm_state_t *lrm_state = lrm_state_find(fsa_our_uname); CRM_CHECK(type != NULL, return NULL); CRM_CHECK(class != NULL, return NULL); CRM_CHECK(lrm_state != NULL, return NULL); if (provider == NULL) { provider = "heartbeat"; } crm_trace("Retreiving metadata for %s::%s:%s", type, class, provider); rc = lrm_state_get_metadata(lrm_state, class, provider, type, &metadata, 0); if (metadata) { /* copy the metadata because the LRM likes using * g_alloc instead of cl_malloc */ char *m_copy = strdup(metadata); g_free(metadata); metadata = m_copy; } else { crm_warn("No metadata found for %s::%s:%s: %s (%d)", type, class, provider, pcmk_strerror(rc), rc); } return metadata; } typedef struct reload_data_s { char *key; char *metadata; time_t last_query; gboolean can_reload; GListPtr restart_list; } reload_data_t; static void g_hash_destroy_reload(gpointer data) { reload_data_t *reload = data; free(reload->key); free(reload->metadata); g_list_free_full(reload->restart_list, free); free(reload); } GHashTable *reload_hash = NULL; static GListPtr get_rsc_restart_list(lrmd_rsc_info_t * rsc, lrmd_event_data_t * op) { int len = 0; char *key = NULL; char *copy = NULL; const char *value = NULL; const char *provider = NULL; xmlNode *param = NULL; xmlNode *params = NULL; xmlNode *actions = NULL; xmlNode *metadata = NULL; time_t now = time(NULL); reload_data_t *reload = NULL; if (reload_hash == NULL) { reload_hash = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, g_hash_destroy_reload); } provider = rsc->provider; if (provider == NULL) { provider = "heartbeat"; } len = strlen(rsc->type) + strlen(rsc->class) + strlen(provider) + 4; key = malloc(len); if(key) { snprintf(key, len, "%s::%s:%s", rsc->type, rsc->class, provider); reload = g_hash_table_lookup(reload_hash, key); } if (reload && ((now - 9) > reload->last_query) && safe_str_eq(op->op_type, RSC_START)) { reload = NULL; /* re-query */ } if (reload == NULL) { xmlNode *action = NULL; reload = calloc(1, sizeof(reload_data_t)); g_hash_table_replace(reload_hash, key, reload); reload->last_query = now; reload->key = key; key = NULL; reload->metadata = get_rsc_metadata(rsc->type, rsc->class, provider); if(reload->metadata == NULL) { goto cleanup; } metadata = string2xml(reload->metadata); if (metadata == NULL) { crm_err("Metadata for %s::%s:%s is not valid XML", rsc->provider, rsc->class, rsc->type); goto cleanup; } actions = find_xml_node(metadata, "actions", TRUE); for (action = __xml_first_child(actions); action != NULL; action = __xml_next(action)) { if (crm_str_eq((const char *)action->name, "action", TRUE)) { value = crm_element_value(action, "name"); if (safe_str_eq("reload", value)) { reload->can_reload = TRUE; break; } } } if (reload->can_reload == FALSE) { goto cleanup; } params = find_xml_node(metadata, "parameters", TRUE); for (param = __xml_first_child(params); param != NULL; param = __xml_next(param)) { if (crm_str_eq((const char *)param->name, "parameter", TRUE)) { value = crm_element_value(param, "unique"); if (crm_is_true(value)) { value = crm_element_value(param, "name"); if (value == NULL) { crm_err("%s: NULL param", key); continue; } crm_debug("Attr %s is not reloadable", value); copy = strdup(value); CRM_CHECK(copy != NULL, continue); reload->restart_list = g_list_append(reload->restart_list, copy); } } } } cleanup: free(key); free_xml(metadata); return reload->restart_list; } static void append_restart_list(lrmd_rsc_info_t * rsc, lrmd_event_data_t * op, xmlNode * update, const char *version) { int len = 0; char *list = NULL; char *digest = NULL; const char *value = NULL; xmlNode *restart = NULL; GListPtr restart_list = NULL; GListPtr lpc = NULL; if (op->interval > 0) { /* monitors are not reloadable */ return; } else if (op->params == NULL) { crm_debug("%s has no parameters", ID(update)); return; } else if (rsc == NULL) { return; } else if (crm_str_eq(CRMD_ACTION_STOP, op->op_type, TRUE)) { /* Stopped resources don't need to be reloaded */ return; } else if (compare_version("1.0.8", version) > 0) { /* Caller version does not support reloads */ return; } restart_list = get_rsc_restart_list(rsc, op); if (restart_list == NULL) { /* Resource does not support reloads */ return; } restart = create_xml_node(NULL, XML_TAG_PARAMS); for (lpc = restart_list; lpc != NULL; lpc = lpc->next) { const char *param = (const char *)lpc->data; int start = len; CRM_CHECK(param != NULL, continue); value = g_hash_table_lookup(op->params, param); if (value != NULL) { crm_xml_add(restart, param, value); } len += strlen(param) + 2; list = realloc(list, len + 1); sprintf(list + start, " %s ", param); } digest = calculate_operation_digest(restart, version); crm_xml_add(update, XML_LRM_ATTR_OP_RESTART, list); crm_xml_add(update, XML_LRM_ATTR_RESTART_DIGEST, digest); crm_trace("%s: %s, %s", rsc->id, digest, list); crm_log_xml_trace(restart, "restart digest source"); free_xml(restart); free(digest); free(list); } static gboolean build_operation_update(xmlNode * parent, lrmd_rsc_info_t * rsc, lrmd_event_data_t * op, const char *src) { int target_rc = 0; xmlNode *xml_op = NULL; const char *caller_version = CRM_FEATURE_SET; if (op == NULL) { return FALSE; } else if (AM_I_DC) { } else if (fsa_our_dc_version != NULL) { caller_version = fsa_our_dc_version; } else if (op->params == NULL) { caller_version = fsa_our_dc_version; } else { /* there is a small risk in formerly mixed clusters that * it will be sub-optimal. * however with our upgrade policy, the update we send * should still be completely supported anyway */ caller_version = g_hash_table_lookup(op->params, XML_ATTR_CRM_VERSION); crm_debug("Falling back to operation originator version: %s", caller_version); } target_rc = rsc_op_expected_rc(op); xml_op = create_operation_update(parent, op, caller_version, target_rc, src, LOG_DEBUG); if (xml_op) { append_restart_list(rsc, op, xml_op, caller_version); } return TRUE; } static gboolean is_rsc_active(lrm_state_t * lrm_state, const char *rsc_id) { rsc_history_t *entry = NULL; entry = g_hash_table_lookup(lrm_state->resource_history, rsc_id); if (entry == NULL || entry->last == NULL) { return FALSE; } crm_trace("Processing %s: %s.%d=%d", rsc_id, entry->last->op_type, entry->last->interval, entry->last->rc); if (entry->last->rc == PCMK_EXECRA_OK && safe_str_eq(entry->last->op_type, CRMD_ACTION_STOP)) { return FALSE; } else if (entry->last->rc == PCMK_EXECRA_OK && safe_str_eq(entry->last->op_type, CRMD_ACTION_MIGRATE)) { /* a stricter check is too complex... * leave that to the PE */ return FALSE; } else if (entry->last->rc == PCMK_EXECRA_NOT_RUNNING) { return FALSE; } else if (entry->last->interval == 0 && entry->last->rc == PCMK_EXECRA_NOT_CONFIGURED) { /* Badly configured resources can't be reliably stopped */ return FALSE; } return TRUE; } static gboolean build_active_RAs(lrm_state_t * lrm_state, xmlNode * rsc_list) { GHashTableIter iter; rsc_history_t *entry = NULL; g_hash_table_iter_init(&iter, lrm_state->resource_history); while (g_hash_table_iter_next(&iter, NULL, (void **)&entry)) { GList *gIter = NULL; xmlNode *xml_rsc = create_xml_node(rsc_list, XML_LRM_TAG_RESOURCE); crm_xml_add(xml_rsc, XML_ATTR_ID, entry->id); crm_xml_add(xml_rsc, XML_ATTR_TYPE, entry->rsc.type); crm_xml_add(xml_rsc, XML_AGENT_ATTR_CLASS, entry->rsc.class); crm_xml_add(xml_rsc, XML_AGENT_ATTR_PROVIDER, entry->rsc.provider); build_operation_update(xml_rsc, &(entry->rsc), entry->last, __FUNCTION__); build_operation_update(xml_rsc, &(entry->rsc), entry->failed, __FUNCTION__); for (gIter = entry->recurring_op_list; gIter != NULL; gIter = gIter->next) { build_operation_update(xml_rsc, &(entry->rsc), gIter->data, __FUNCTION__); } } return FALSE; } xmlNode * do_lrm_query_internal(lrm_state_t * lrm_state, gboolean is_replace) { xmlNode *xml_result = NULL; xmlNode *xml_state = NULL; xmlNode *xml_data = NULL; xmlNode *rsc_list = NULL; const char *uuid = NULL; if (safe_str_eq(lrm_state->node_name, fsa_our_uname)) { crm_node_t *peer = crm_get_peer(0, lrm_state->node_name); xml_state = do_update_node_cib(peer, node_update_cluster|node_update_peer, NULL, __FUNCTION__); /* The next two lines shouldn't be necessary for newer DCs */ crm_xml_add(xml_state, XML_NODE_JOIN_STATE, CRMD_JOINSTATE_MEMBER); crm_xml_add(xml_state, XML_NODE_EXPECTED, CRMD_JOINSTATE_MEMBER); uuid = fsa_our_uuid; } else { xml_state = create_xml_node(NULL, XML_CIB_TAG_STATE); crm_xml_add(xml_state, XML_NODE_IS_REMOTE, "true"); crm_xml_add(xml_state, XML_ATTR_ID, lrm_state->node_name); crm_xml_add(xml_state, XML_ATTR_UNAME, lrm_state->node_name); uuid = lrm_state->node_name; } xml_data = create_xml_node(xml_state, XML_CIB_TAG_LRM); crm_xml_add(xml_data, XML_ATTR_ID, uuid); rsc_list = create_xml_node(xml_data, XML_LRM_TAG_RESOURCES); /* Build a list of active (not always running) resources */ build_active_RAs(lrm_state, rsc_list); xml_result = create_cib_fragment(xml_state, XML_CIB_TAG_STATUS); crm_log_xml_trace(xml_state, "Current state of the LRM"); free_xml(xml_state); return xml_result; } xmlNode * do_lrm_query(gboolean is_replace, const char *node_name) { lrm_state_t *lrm_state = lrm_state_find(node_name); if (!lrm_state) { crm_err("Could not query lrm state for lrmd node %s", node_name); return NULL; } return do_lrm_query_internal(lrm_state, is_replace); } static void notify_deleted(lrm_state_t * lrm_state, ha_msg_input_t * input, const char *rsc_id, int rc) { lrmd_event_data_t *op = NULL; const char *from_sys = crm_element_value(input->msg, F_CRM_SYS_FROM); const char *from_host = crm_element_value(input->msg, F_CRM_HOST_FROM); crm_info("Notifying %s on %s that %s was%s deleted", from_sys, from_host, rsc_id, rc == pcmk_ok ? "" : " not"); op = construct_op(lrm_state, input->xml, rsc_id, CRMD_ACTION_DELETE); CRM_ASSERT(op != NULL); if (rc == pcmk_ok) { op->op_status = PCMK_LRM_OP_DONE; op->rc = PCMK_EXECRA_OK; } else { op->op_status = PCMK_LRM_OP_ERROR; op->rc = PCMK_EXECRA_UNKNOWN_ERROR; } send_direct_ack(from_host, from_sys, NULL, op, rsc_id); lrmd_free_event(op); if (safe_str_neq(from_sys, CRM_SYSTEM_TENGINE)) { /* this isn't expected - trigger a new transition */ time_t now = time(NULL); char *now_s = crm_itoa(now); crm_debug("Triggering a refresh after %s deleted %s from the LRM", from_sys, rsc_id); update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_CRMCONFIG, NULL, NULL, NULL, NULL, "last-lrm-refresh", now_s, FALSE, NULL); free(now_s); } } static gboolean lrm_remove_deleted_rsc(gpointer key, gpointer value, gpointer user_data) { struct delete_event_s *event = user_data; struct pending_deletion_op_s *op = value; if (safe_str_eq(event->rsc, op->rsc)) { notify_deleted(event->lrm_state, op->input, event->rsc, event->rc); return TRUE; } return FALSE; } static gboolean lrm_remove_deleted_op(gpointer key, gpointer value, gpointer user_data) { const char *rsc = user_data; struct recurring_op_s *pending = value; if (safe_str_eq(rsc, pending->rsc_id)) { crm_info("Removing op %s:%d for deleted resource %s", pending->op_key, pending->call_id, rsc); return TRUE; } return FALSE; } /* * Remove the rsc from the CIB * * Avoids refreshing the entire LRM section of this host */ #define rsc_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']" static int delete_rsc_status(lrm_state_t * lrm_state, const char *rsc_id, int call_options, const char *user_name) { char *rsc_xpath = NULL; int max = 0; int rc = pcmk_ok; CRM_CHECK(rsc_id != NULL, return -ENXIO); max = strlen(rsc_template) + strlen(rsc_id) + strlen(lrm_state->node_name) + 1; rsc_xpath = calloc(1, max); snprintf(rsc_xpath, max, rsc_template, lrm_state->node_name, rsc_id); rc = cib_internal_op(fsa_cib_conn, CIB_OP_DELETE, NULL, rsc_xpath, NULL, NULL, call_options | cib_xpath, user_name); free(rsc_xpath); return rc; } static void delete_rsc_entry(lrm_state_t * lrm_state, ha_msg_input_t * input, const char *rsc_id, GHashTableIter * rsc_gIter, int rc, const char *user_name) { struct delete_event_s event; CRM_CHECK(rsc_id != NULL, return); if (rc == pcmk_ok) { char *rsc_id_copy = strdup(rsc_id); if (rsc_gIter) g_hash_table_iter_remove(rsc_gIter); else g_hash_table_remove(lrm_state->resource_history, rsc_id_copy); crm_debug("sync: Sending delete op for %s", rsc_id_copy); delete_rsc_status(lrm_state, rsc_id_copy, cib_quorum_override, user_name); g_hash_table_foreach_remove(lrm_state->pending_ops, lrm_remove_deleted_op, rsc_id_copy); free(rsc_id_copy); } if (input) { notify_deleted(lrm_state, input, rsc_id, rc); } event.rc = rc; event.rsc = rsc_id; event.lrm_state = lrm_state; g_hash_table_foreach_remove(lrm_state->deletion_ops, lrm_remove_deleted_rsc, &event); } /* * Remove the op from the CIB * * Avoids refreshing the entire LRM section of this host */ #define op_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']/"XML_LRM_TAG_RSC_OP"[@id='%s']" #define op_call_template "//"XML_CIB_TAG_STATE"[@uname='%s']//"XML_LRM_TAG_RESOURCE"[@id='%s']/"XML_LRM_TAG_RSC_OP"[@id='%s' and @"XML_LRM_ATTR_CALLID"='%d']" static void delete_op_entry(lrm_state_t * lrm_state, lrmd_event_data_t * op, const char *rsc_id, const char *key, int call_id) { xmlNode *xml_top = NULL; if (op != NULL) { xml_top = create_xml_node(NULL, XML_LRM_TAG_RSC_OP); crm_xml_add_int(xml_top, XML_LRM_ATTR_CALLID, op->call_id); crm_xml_add(xml_top, XML_ATTR_TRANSITION_KEY, op->user_data); if (op->interval > 0) { char *op_id = generate_op_key(op->rsc_id, op->op_type, op->interval); /* Avoid deleting last_failure too (if it was a result of this recurring op failing) */ crm_xml_add(xml_top, XML_ATTR_ID, op_id); free(op_id); } crm_debug("async: Sending delete op for %s_%s_%d (call=%d)", op->rsc_id, op->op_type, op->interval, op->call_id); fsa_cib_conn->cmds->delete(fsa_cib_conn, XML_CIB_TAG_STATUS, xml_top, cib_quorum_override); } else if (rsc_id != NULL && key != NULL) { int max = 0; char *op_xpath = NULL; if (call_id > 0) { max = strlen(op_call_template) + strlen(rsc_id) + strlen(lrm_state->node_name) + strlen(key) + 10; op_xpath = calloc(1, max); snprintf(op_xpath, max, op_call_template, lrm_state->node_name, rsc_id, key, call_id); } else { max = strlen(op_template) + strlen(rsc_id) + strlen(lrm_state->node_name) + strlen(key) + 1; op_xpath = calloc(1, max); snprintf(op_xpath, max, op_template, lrm_state->node_name, rsc_id, key); } crm_debug("sync: Sending delete op for %s (call=%d)", rsc_id, call_id); fsa_cib_conn->cmds->delete(fsa_cib_conn, op_xpath, NULL, cib_quorum_override | cib_xpath); free(op_xpath); } else { crm_err("Not enough information to delete op entry: rsc=%p key=%p", rsc_id, key); return; } crm_log_xml_trace(xml_top, "op:cancel"); free_xml(xml_top); } void lrm_clear_last_failure(const char *rsc_id, const char *node_name) { char *attr = NULL; GHashTableIter iter; GList *lrm_state_list = lrm_state_get_list(); GList *state_entry; rsc_history_t *entry = NULL; attr = generate_op_key(rsc_id, "last_failure", 0); /* This clears last failure for every lrm state that has this rsc.*/ for (state_entry = lrm_state_list; state_entry != NULL; state_entry = state_entry->next) { lrm_state_t *lrm_state = state_entry->data; if (node_name != NULL) { if (strcmp(node_name, lrm_state->node_name) != 0) { /* filter by node_name if node_name is present */ continue; } } delete_op_entry(lrm_state, NULL, rsc_id, attr, 0); if (!lrm_state->resource_history) { continue; } g_hash_table_iter_init(&iter, lrm_state->resource_history); while (g_hash_table_iter_next(&iter, NULL, (void **)&entry)) { if (safe_str_eq(rsc_id, entry->id)) { lrmd_free_event(entry->failed); entry->failed = NULL; } } } free(attr); g_list_free(lrm_state_list); } /* Returns: gboolean - cancellation is in progress */ static gboolean cancel_op(lrm_state_t * lrm_state, const char *rsc_id, const char *key, int op, gboolean remove) { int rc = pcmk_ok; struct recurring_op_s *pending = NULL; CRM_CHECK(op != 0, return FALSE); CRM_CHECK(rsc_id != NULL, return FALSE); if (key == NULL) { key = make_stop_id(rsc_id, op); } pending = g_hash_table_lookup(lrm_state->pending_ops, key); if (pending) { if (remove && pending->remove == FALSE) { pending->remove = TRUE; crm_debug("Scheduling %s for removal", key); } if (pending->cancelled) { crm_debug("Operation %s already cancelled", key); return FALSE; } pending->cancelled = TRUE; } else { crm_info("No pending op found for %s", key); return FALSE; } crm_debug("Cancelling op %d for %s (%s)", op, rsc_id, key); rc = lrm_state_cancel(lrm_state, pending->rsc_id, pending->op_type, pending->interval); if (rc == pcmk_ok) { crm_debug("Op %d for %s (%s): cancelled", op, rsc_id, key); } else { crm_debug("Op %d for %s (%s): Nothing to cancel", op, rsc_id, key); /* The caller needs to make sure the entry is * removed from the pending_ops list * * Usually by returning TRUE inside the worker function * supplied to g_hash_table_foreach_remove() * * Not removing the entry from pending_ops will block * the node from shutting down */ return FALSE; } return TRUE; } struct cancel_data { gboolean done; gboolean remove; const char *key; lrmd_rsc_info_t *rsc; lrm_state_t *lrm_state; }; static gboolean cancel_action_by_key(gpointer key, gpointer value, gpointer user_data) { gboolean remove = FALSE; struct cancel_data *data = user_data; struct recurring_op_s *op = (struct recurring_op_s *)value; if (safe_str_eq(op->op_key, data->key)) { data->done = TRUE; remove = !cancel_op(data->lrm_state, data->rsc->id, key, op->call_id, data->remove); } return remove; } static gboolean cancel_op_key(lrm_state_t * lrm_state, lrmd_rsc_info_t * rsc, const char *key, gboolean remove) { guint removed = 0; struct cancel_data data; CRM_CHECK(rsc != NULL, return FALSE); CRM_CHECK(key != NULL, return FALSE); data.key = key; data.rsc = rsc; data.done = FALSE; data.remove = remove; data.lrm_state = lrm_state; removed = g_hash_table_foreach_remove(lrm_state->pending_ops, cancel_action_by_key, &data); crm_trace("Removed %u op cache entries, new size: %u", removed, g_hash_table_size(lrm_state->pending_ops)); return data.done; } static lrmd_rsc_info_t * get_lrm_resource(lrm_state_t * lrm_state, xmlNode * resource, xmlNode * op_msg, gboolean do_create) { lrmd_rsc_info_t *rsc = NULL; const char *id = ID(resource); const char *type = crm_element_value(resource, XML_ATTR_TYPE); const char *class = crm_element_value(resource, XML_AGENT_ATTR_CLASS); const char *provider = crm_element_value(resource, XML_AGENT_ATTR_PROVIDER); const char *long_id = crm_element_value(resource, XML_ATTR_ID_LONG); crm_trace("Retrieving %s from the LRM.", id); CRM_CHECK(id != NULL, return NULL); rsc = lrm_state_get_rsc_info(lrm_state, id, 0); if (!rsc && long_id) { rsc = lrm_state_get_rsc_info(lrm_state, long_id, 0); } if (!rsc && do_create) { CRM_CHECK(class != NULL, return NULL); CRM_CHECK(type != NULL, return NULL); crm_trace("Adding rsc %s before operation", id); lrm_state_register_rsc(lrm_state, id, class, provider, type, lrmd_opt_drop_recurring); rsc = lrm_state_get_rsc_info(lrm_state, id, 0); if (!rsc) { fsa_data_t *msg_data = NULL; crm_err("Could not add resource %s to LRM", id); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); } } return rsc; } static void delete_resource(lrm_state_t * lrm_state, const char *id, lrmd_rsc_info_t * rsc, GHashTableIter * gIter, const char *sys, const char *host, const char *user, ha_msg_input_t * request) { int rc = pcmk_ok; crm_info("Removing resource %s for %s (%s) on %s", id, sys, user ? user : "internal", host); if (rsc) { rc = lrm_state_unregister_rsc(lrm_state, id, 0); } if (rc == pcmk_ok) { crm_trace("Resource '%s' deleted", id); } else if (rc == -EINPROGRESS) { crm_info("Deletion of resource '%s' pending", id); if (request) { struct pending_deletion_op_s *op = NULL; char *ref = crm_element_value_copy(request->msg, XML_ATTR_REFERENCE); op = calloc(1, sizeof(struct pending_deletion_op_s)); op->rsc = strdup(rsc->id); op->input = copy_ha_msg_input(request); g_hash_table_insert(lrm_state->deletion_ops, ref, op); } return; } else { crm_warn("Deletion of resource '%s' for %s (%s) on %s failed: %d", id, sys, user ? user : "internal", host, rc); } delete_rsc_entry(lrm_state, request, id, gIter, rc, user); } /* A_LRM_INVOKE */ void do_lrm_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { gboolean create_rsc = TRUE; lrm_state_t *lrm_state = NULL; const char *crm_op = NULL; const char *from_sys = NULL; const char *from_host = NULL; const char *operation = NULL; ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg); const char *user_name = NULL; const char *target_node = NULL; gboolean is_remote_node = FALSE; if (input->xml != NULL) { /* Remote node operations are routed here to their remote connections */ target_node = crm_element_value(input->xml, XML_LRM_ATTR_TARGET); } if (target_node == NULL) { target_node = fsa_our_uname; } else if (safe_str_neq(target_node, fsa_our_uname)) { is_remote_node = TRUE; } lrm_state = lrm_state_find(target_node); if (lrm_state == NULL && is_remote_node) { crm_err("no lrmd connection for remote node %s found on cluster node %s. Can not process request.", target_node, fsa_our_uname); return; } CRM_ASSERT(lrm_state != NULL); #if ENABLE_ACL user_name = crm_element_value(input->msg, F_CRM_USER); crm_trace("LRM command from user '%s'", user_name); #endif crm_op = crm_element_value(input->msg, F_CRM_TASK); from_sys = crm_element_value(input->msg, F_CRM_SYS_FROM); if (safe_str_neq(from_sys, CRM_SYSTEM_TENGINE)) { from_host = crm_element_value(input->msg, F_CRM_HOST_FROM); } crm_trace("LRM command from: %s", from_sys); if (safe_str_eq(crm_op, CRM_OP_LRM_DELETE)) { operation = CRMD_ACTION_DELETE; } else if (safe_str_eq(crm_op, CRM_OP_LRM_REFRESH)) { operation = CRM_OP_LRM_REFRESH; } else if (safe_str_eq(crm_op, CRM_OP_LRM_FAIL)) { rsc_history_t *entry = NULL; lrmd_event_data_t *op = NULL; lrmd_rsc_info_t *rsc = NULL; xmlNode *xml_rsc = find_xml_node(input->xml, XML_CIB_TAG_RESOURCE, TRUE); CRM_CHECK(xml_rsc != NULL, return); /* The lrmd can not fail a resource, it does not understand the * concept of success or failure in relation to a resource, it simply * executes operations and reports the results. We determine what a failure is. * Becaues of this, if we want to fail a resource we have to fake what we * understand a failure to look like. * * To do this we create a fake lrmd operation event for the resource * we want to fail. We then pass that event to the lrmd client callback * so it will be processed as if it actually came from the lrmd. */ op = construct_op(lrm_state, input->xml, ID(xml_rsc), "asyncmon"); CRM_ASSERT(op != NULL); free((char *)op->user_data); op->user_data = NULL; entry = g_hash_table_lookup(lrm_state->resource_history, op->rsc_id); /* Make sure the call id is greater than the last successful operation, * otherwise the failure will not result in a possible recovery of the resource * as it could appear the failure occurred before the successful start */ if (entry) { op->call_id = entry->last_callid + 1; if (op->call_id < 0) { op->call_id = 1; } } op->interval = 0; op->op_status = PCMK_LRM_OP_DONE; op->rc = PCMK_EXECRA_UNKNOWN_ERROR; op->t_run = time(NULL); op->t_rcchange = op->t_run; #if ENABLE_ACL if (user_name && is_privileged(user_name) == FALSE) { crm_err("%s does not have permission to fail %s", user_name, ID(xml_rsc)); send_direct_ack(from_host, from_sys, NULL, op, ID(xml_rsc)); lrmd_free_event(op); return; } #endif rsc = get_lrm_resource(lrm_state, xml_rsc, input->xml, create_rsc); if (rsc) { crm_info("Failing resource %s...", rsc->id); process_lrm_event(lrm_state, op); op->op_status = PCMK_LRM_OP_DONE; op->rc = PCMK_EXECRA_OK; lrmd_free_rsc_info(rsc); } else { crm_info("Cannot find/create resource in order to fail it..."); crm_log_xml_warn(input->msg, "bad input"); } send_direct_ack(from_host, from_sys, NULL, op, ID(xml_rsc)); lrmd_free_event(op); return; } else if (input->xml != NULL) { operation = crm_element_value(input->xml, XML_LRM_ATTR_TASK); } if (safe_str_eq(crm_op, CRM_OP_LRM_REFRESH)) { int rc = pcmk_ok; xmlNode *fragment = do_lrm_query_internal(lrm_state, TRUE); fsa_cib_update(XML_CIB_TAG_STATUS, fragment, cib_quorum_override, rc, user_name); crm_info("Forced a local LRM refresh: call=%d", rc); if(strcmp(CRM_SYSTEM_CRMD, from_sys) != 0) { xmlNode *reply = create_request( CRM_OP_INVOKE_LRM, fragment, from_host, from_sys, CRM_SYSTEM_LRMD, fsa_our_uuid); crm_debug("ACK'ing refresh from %s (%s)", from_sys, from_host); if (relay_message(reply, TRUE) == FALSE) { crm_log_xml_err(reply, "Unable to route reply"); } free_xml(reply); } free_xml(fragment); } else if (safe_str_eq(crm_op, CRM_OP_LRM_QUERY)) { xmlNode *data = do_lrm_query_internal(lrm_state, FALSE); xmlNode *reply = create_reply(input->msg, data); if (relay_message(reply, TRUE) == FALSE) { crm_err("Unable to route reply"); crm_log_xml_err(reply, "reply"); } free_xml(reply); free_xml(data); } else if (safe_str_eq(operation, CRM_OP_PROBED)) { update_attrd(lrm_state->node_name, CRM_OP_PROBED, XML_BOOLEAN_TRUE, user_name, is_remote_node); } else if (safe_str_eq(crm_op, CRM_OP_REPROBE)) { GHashTableIter gIter; rsc_history_t *entry = NULL; crm_notice("Forcing the status of all resources to be redetected"); g_hash_table_iter_init(&gIter, lrm_state->resource_history); while (g_hash_table_iter_next(&gIter, NULL, (void **)&entry)) { delete_resource(lrm_state, entry->id, &entry->rsc, &gIter, from_sys, from_host, user_name, NULL); } /* Now delete the copy in the CIB */ erase_status_tag(lrm_state->node_name, XML_CIB_TAG_LRM, cib_scope_local); /* And finally, _delete_ the value in attrd * Setting it to FALSE results in the PE sending us back here again */ update_attrd(lrm_state->node_name, CRM_OP_PROBED, NULL, user_name, is_remote_node); if(strcmp(CRM_SYSTEM_CRMD, from_sys) != 0) { xmlNode *reply = create_request( CRM_OP_INVOKE_LRM, NULL, from_host, from_sys, CRM_SYSTEM_LRMD, fsa_our_uuid); crm_debug("ACK'ing re-probe from %s (%s)", from_sys, from_host); if (relay_message(reply, TRUE) == FALSE) { crm_log_xml_err(reply, "Unable to route reply"); } free_xml(reply); } } else if (operation != NULL) { lrmd_rsc_info_t *rsc = NULL; xmlNode *params = NULL; xmlNode *xml_rsc = find_xml_node(input->xml, XML_CIB_TAG_RESOURCE, TRUE); CRM_CHECK(xml_rsc != NULL, return); /* only the first 16 chars are used by the LRM */ params = find_xml_node(input->xml, XML_TAG_ATTRS, TRUE); if (safe_str_eq(operation, CRMD_ACTION_DELETE)) { create_rsc = FALSE; } rsc = get_lrm_resource(lrm_state, xml_rsc, input->xml, create_rsc); if (rsc == NULL && create_rsc) { crm_err("Invalid resource definition"); crm_log_xml_warn(input->msg, "bad input"); } else if (rsc == NULL) { lrmd_event_data_t *op = NULL; crm_notice("Not creating resource for a %s event: %s", operation, ID(input->xml)); delete_rsc_entry(lrm_state, input, ID(xml_rsc), NULL, pcmk_ok, user_name); op = construct_op(lrm_state, input->xml, ID(xml_rsc), operation); op->op_status = PCMK_LRM_OP_DONE; op->rc = PCMK_EXECRA_OK; CRM_ASSERT(op != NULL); send_direct_ack(from_host, from_sys, NULL, op, ID(xml_rsc)); lrmd_free_event(op); } else if (safe_str_eq(operation, CRMD_ACTION_CANCEL)) { lrmd_event_data_t *op = NULL; char *op_key = NULL; char *meta_key = NULL; int call = 0; const char *call_id = NULL; const char *op_task = NULL; const char *op_interval = NULL; gboolean in_progress = FALSE; CRM_CHECK(params != NULL, crm_log_xml_warn(input->xml, "Bad command"); return); meta_key = crm_meta_name(XML_LRM_ATTR_INTERVAL); op_interval = crm_element_value(params, meta_key); free(meta_key); meta_key = crm_meta_name(XML_LRM_ATTR_TASK); op_task = crm_element_value(params, meta_key); free(meta_key); meta_key = crm_meta_name(XML_LRM_ATTR_CALLID); call_id = crm_element_value(params, meta_key); free(meta_key); CRM_CHECK(op_task != NULL, crm_log_xml_warn(input->xml, "Bad command"); return); CRM_CHECK(op_interval != NULL, crm_log_xml_warn(input->xml, "Bad command"); return); op = construct_op(lrm_state, input->xml, rsc->id, op_task); CRM_ASSERT(op != NULL); op_key = generate_op_key(rsc->id, op_task, crm_parse_int(op_interval, "0")); crm_debug("PE requested op %s (call=%s) be cancelled", op_key, call_id ? call_id : "NA"); call = crm_parse_int(call_id, "0"); if (call == 0) { /* the normal case when the PE cancels a recurring op */ in_progress = cancel_op_key(lrm_state, rsc, op_key, TRUE); } else { /* the normal case when the PE cancels an orphan op */ in_progress = cancel_op(lrm_state, rsc->id, NULL, call, TRUE); } if (in_progress == FALSE) { crm_debug("Nothing known about operation %d for %s", call, op_key); delete_op_entry(lrm_state, NULL, rsc->id, op_key, call); /* needed?? surely not otherwise the cancel_op_(_key) wouldn't * have failed in the first place */ g_hash_table_remove(lrm_state->pending_ops, op_key); } op->rc = PCMK_EXECRA_OK; op->op_status = PCMK_LRM_OP_DONE; send_direct_ack(from_host, from_sys, rsc, op, rsc->id); free(op_key); lrmd_free_event(op); } else if (rsc != NULL && safe_str_eq(operation, CRMD_ACTION_DELETE)) { #if ENABLE_ACL int cib_rc = delete_rsc_status(lrm_state, rsc->id, cib_dryrun | cib_sync_call, user_name); if (cib_rc != pcmk_ok) { lrmd_event_data_t *op = NULL; crm_err ("Attempted deletion of resource status '%s' from CIB for %s (user=%s) on %s failed: (rc=%d) %s", rsc->id, from_sys, user_name ? user_name : "unknown", from_host, cib_rc, pcmk_strerror(cib_rc)); op = construct_op(lrm_state, input->xml, rsc->id, operation); op->op_status = PCMK_LRM_OP_ERROR; if (cib_rc == -EACCES) { op->rc = PCMK_EXECRA_INSUFFICIENT_PRIV; } else { op->rc = PCMK_EXECRA_UNKNOWN_ERROR; } send_direct_ack(from_host, from_sys, NULL, op, rsc->id); lrmd_free_event(op); return; } #endif delete_resource(lrm_state, rsc->id, rsc, NULL, from_sys, from_host, user_name, input); } else if (rsc != NULL) { do_lrm_rsc_op(lrm_state, rsc, operation, input->xml, input->msg); } lrmd_free_rsc_info(rsc); } else { crm_err("Operation was neither a lrm_query, nor a rsc op. %s", crm_str(crm_op)); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } static lrmd_event_data_t * construct_op(lrm_state_t * lrm_state, xmlNode * rsc_op, const char *rsc_id, const char *operation) { lrmd_event_data_t *op = NULL; const char *op_delay = NULL; const char *op_timeout = NULL; const char *op_interval = NULL; GHashTable *params = NULL; const char *transition = NULL; CRM_LOG_ASSERT(rsc_id != NULL); op = calloc(1, sizeof(lrmd_event_data_t)); op->type = lrmd_event_exec_complete; op->op_type = strdup(operation); op->op_status = PCMK_LRM_OP_PENDING; op->rc = -1; op->rsc_id = strdup(rsc_id); op->interval = 0; op->timeout = 0; op->start_delay = 0; if (rsc_op == NULL) { CRM_LOG_ASSERT(safe_str_eq(CRMD_ACTION_STOP, operation)); op->user_data = NULL; /* the stop_all_resources() case * by definition there is no DC (or they'd be shutting * us down). * So we should put our version here. */ op->params = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); g_hash_table_insert(op->params, strdup(XML_ATTR_CRM_VERSION), strdup(CRM_FEATURE_SET)); crm_trace("Constructed %s op for %s", operation, rsc_id); return op; } params = xml2list(rsc_op); g_hash_table_remove(params, CRM_META "_op_target_rc"); op_delay = crm_meta_value(params, XML_OP_ATTR_START_DELAY); op_timeout = crm_meta_value(params, XML_ATTR_TIMEOUT); op_interval = crm_meta_value(params, XML_LRM_ATTR_INTERVAL); op->interval = crm_parse_int(op_interval, "0"); op->timeout = crm_parse_int(op_timeout, "0"); op->start_delay = crm_parse_int(op_delay, "0"); if (safe_str_neq(operation, RSC_STOP)) { op->params = params; } else { rsc_history_t *entry = g_hash_table_lookup(lrm_state->resource_history, rsc_id); /* If we do not have stop parameters cached, use * whatever we are given */ if (!entry || !entry->stop_params) { op->params = params; } else { /* Copy the cached parameter list so that we stop the resource * with the old attributes, not the new ones */ op->params = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); g_hash_table_foreach(params, copy_meta_keys, op->params); g_hash_table_foreach(entry->stop_params, copy_instance_keys, op->params); g_hash_table_destroy(params); params = NULL; } } /* sanity */ if (op->interval < 0) { op->interval = 0; } if (op->timeout <= 0) { op->timeout = op->interval; } if (op->start_delay < 0) { op->start_delay = 0; } transition = crm_element_value(rsc_op, XML_ATTR_TRANSITION_KEY); CRM_CHECK(transition != NULL, return op); op->user_data = strdup(transition); if (op->interval != 0) { if (safe_str_eq(operation, CRMD_ACTION_START) || safe_str_eq(operation, CRMD_ACTION_STOP)) { crm_err("Start and Stop actions cannot have an interval: %d", op->interval); op->interval = 0; } } crm_trace("Constructed %s op for %s: interval=%d", operation, rsc_id, op->interval); return op; } void send_direct_ack(const char *to_host, const char *to_sys, lrmd_rsc_info_t * rsc, lrmd_event_data_t * op, const char *rsc_id) { xmlNode *reply = NULL; xmlNode *update, *iter; xmlNode *fragment; crm_node_t *peer = NULL; CRM_CHECK(op != NULL, return); if (op->rsc_id == NULL) { CRM_LOG_ASSERT(rsc_id != NULL); op->rsc_id = strdup(rsc_id); } if (to_sys == NULL) { to_sys = CRM_SYSTEM_TENGINE; } peer = crm_get_peer(0, fsa_our_uname); update = do_update_node_cib(peer, node_update_none, NULL, __FUNCTION__); iter = create_xml_node(update, XML_CIB_TAG_LRM); crm_xml_add(iter, XML_ATTR_ID, fsa_our_uuid); iter = create_xml_node(iter, XML_LRM_TAG_RESOURCES); iter = create_xml_node(iter, XML_LRM_TAG_RESOURCE); crm_xml_add(iter, XML_ATTR_ID, op->rsc_id); build_operation_update(iter, rsc, op, __FUNCTION__); fragment = create_cib_fragment(update, XML_CIB_TAG_STATUS); reply = create_request(CRM_OP_INVOKE_LRM, fragment, to_host, to_sys, CRM_SYSTEM_LRMD, NULL); crm_log_xml_trace(update, "ACK Update"); crm_debug("ACK'ing resource op %s_%s_%d from %s: %s", op->rsc_id, op->op_type, op->interval, op->user_data, crm_element_value(reply, XML_ATTR_REFERENCE)); if (relay_message(reply, TRUE) == FALSE) { crm_log_xml_err(reply, "Unable to route reply"); } free_xml(fragment); free_xml(update); free_xml(reply); } gboolean verify_stopped(enum crmd_fsa_state cur_state, int log_level) { gboolean res = TRUE; GList *lrm_state_list = lrm_state_get_list(); GList *state_entry; for (state_entry = lrm_state_list; state_entry != NULL; state_entry = state_entry->next) { lrm_state_t *lrm_state = state_entry->data; if (!lrm_state_verify_stopped(lrm_state, cur_state, log_level)) { /* keep iterating through all even when false is returned */ res = FALSE; } } set_bit(fsa_input_register, R_SENT_RSC_STOP); g_list_free(lrm_state_list); lrm_state_list = NULL; return res; } struct stop_recurring_action_s { lrmd_rsc_info_t *rsc; lrm_state_t *lrm_state; }; static gboolean stop_recurring_action_by_rsc(gpointer key, gpointer value, gpointer user_data) { gboolean remove = FALSE; struct stop_recurring_action_s *event = user_data; struct recurring_op_s *op = (struct recurring_op_s *)value; if (op->interval != 0 && safe_str_eq(op->rsc_id, event->rsc->id)) { crm_debug("Cancelling op %d for %s (%s)", op->call_id, op->rsc_id, key); remove = !cancel_op(event->lrm_state, event->rsc->id, key, op->call_id, FALSE); } return remove; } static gboolean stop_recurring_actions(gpointer key, gpointer value, gpointer user_data) { gboolean remove = FALSE; lrm_state_t *lrm_state = user_data; struct recurring_op_s *op = (struct recurring_op_s *)value; if (op->interval != 0) { crm_info("Cancelling op %d for %s (%s)", op->call_id, op->rsc_id, key); remove = !cancel_op(lrm_state, op->rsc_id, key, op->call_id, FALSE); } return remove; } static void do_lrm_rsc_op(lrm_state_t * lrm_state, lrmd_rsc_info_t * rsc, const char *operation, xmlNode * msg, xmlNode * request) { int call_id = 0; char *op_id = NULL; lrmd_event_data_t *op = NULL; lrmd_key_value_t *params = NULL; fsa_data_t *msg_data = NULL; const char *transition = NULL; CRM_CHECK(rsc != NULL, return); CRM_CHECK(operation != NULL, return); if (msg != NULL) { transition = crm_element_value(msg, XML_ATTR_TRANSITION_KEY); if (transition == NULL) { crm_log_xml_err(msg, "Missing transition number"); } } op = construct_op(lrm_state, msg, rsc->id, operation); CRM_CHECK(op != NULL, return); /* stop any previous monitor operations before changing the resource state */ if (op->interval == 0 && strcmp(operation, CRMD_ACTION_STATUS) != 0 && strcmp(operation, CRMD_ACTION_NOTIFY) != 0) { guint removed = 0; struct stop_recurring_action_s data; data.rsc = rsc; data.lrm_state = lrm_state; removed = g_hash_table_foreach_remove( lrm_state->pending_ops, stop_recurring_action_by_rsc, &data); crm_debug("Stopped %u recurring operations in preparation for %s_%s_%d", removed, rsc->id, operation, op->interval); } /* now do the op */ crm_info("Performing key=%s op=%s_%s_%d", transition, rsc->id, operation, op->interval); if (fsa_state != S_NOT_DC && fsa_state != S_POLICY_ENGINE && fsa_state != S_TRANSITION_ENGINE) { if (safe_str_neq(operation, "fail") && safe_str_neq(operation, CRMD_ACTION_STOP)) { crm_info("Discarding attempt to perform action %s on %s in state %s", operation, rsc->id, fsa_state2string(fsa_state)); op->rc = 99; op->op_status = PCMK_LRM_OP_ERROR; send_direct_ack(NULL, NULL, rsc, op, rsc->id); lrmd_free_event(op); free(op_id); return; } } op_id = generate_op_key(rsc->id, op->op_type, op->interval); if (op->interval > 0) { /* cancel it so we can then restart it without conflict */ cancel_op_key(lrm_state, rsc, op_id, FALSE); } if (op->params) { char *key = NULL; char *value = NULL; GHashTableIter iter; g_hash_table_iter_init(&iter, op->params); while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) { params = lrmd_key_value_add(params, key, value); } } call_id = lrm_state_exec(lrm_state, rsc->id, op->op_type, op->user_data, op->interval, op->timeout, op->start_delay, params); if (call_id <= 0) { crm_err("Operation %s on %s failed: %d", operation, rsc->id, call_id); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); } else { /* record all operations so we can wait * for them to complete during shutdown */ char *call_id_s = make_stop_id(rsc->id, call_id); struct recurring_op_s *pending = NULL; pending = calloc(1, sizeof(struct recurring_op_s)); crm_trace("Recording pending op: %d - %s %s", call_id, op_id, call_id_s); pending->call_id = call_id; pending->interval = op->interval; pending->op_type = strdup(operation); pending->op_key = strdup(op_id); pending->rsc_id = strdup(rsc->id); g_hash_table_replace(lrm_state->pending_ops, call_id_s, pending); if (op->interval > 0 && op->start_delay > START_DELAY_THRESHOLD) { char *uuid = NULL; int dummy = 0, target_rc = 0; crm_info("Faking confirmation of %s: execution postponed for over 5 minutes", op_id); decode_transition_key(op->user_data, &uuid, &dummy, &dummy, &target_rc); free(uuid); op->rc = target_rc; op->op_status = PCMK_LRM_OP_DONE; send_direct_ack(NULL, NULL, rsc, op, rsc->id); } } free(op_id); lrmd_free_event(op); return; } int last_resource_update = 0; static void cib_rsc_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { switch (rc) { case pcmk_ok: case -pcmk_err_diff_failed: case -pcmk_err_diff_resync: crm_trace("Resource update %d complete: rc=%d", call_id, rc); break; default: crm_warn("Resource update %d failed: (rc=%d) %s", call_id, rc, pcmk_strerror(rc)); } if (call_id == last_resource_update) { last_resource_update = 0; trigger_fsa(fsa_source); } } static int do_update_resource(lrm_state_t * lrm_state, lrmd_rsc_info_t * rsc, lrmd_event_data_t * op) { /* */ int rc = pcmk_ok; xmlNode *update, *iter = NULL; int call_opt = cib_quorum_override; const char *uuid = NULL; CRM_CHECK(op != NULL, return 0); if (fsa_state == S_ELECTION || fsa_state == S_PENDING) { crm_info("Sending update to local CIB in state: %s", fsa_state2string(fsa_state)); call_opt |= cib_scope_local; } iter = create_xml_node(iter, XML_CIB_TAG_STATUS); update = iter; iter = create_xml_node(iter, XML_CIB_TAG_STATE); if (safe_str_eq(lrm_state->node_name, fsa_our_uname)) { uuid = fsa_our_uuid; } else { /* remote nodes uuid and uname are equal */ uuid = lrm_state->node_name; crm_xml_add(iter, XML_NODE_IS_REMOTE, "true"); } CRM_LOG_ASSERT(uuid != NULL); if(uuid == NULL) { rc = -EINVAL; goto done; } crm_xml_add(iter, XML_ATTR_UUID, uuid); crm_xml_add(iter, XML_ATTR_UNAME, lrm_state->node_name); crm_xml_add(iter, XML_ATTR_ORIGIN, __FUNCTION__); iter = create_xml_node(iter, XML_CIB_TAG_LRM); crm_xml_add(iter, XML_ATTR_ID, uuid); iter = create_xml_node(iter, XML_LRM_TAG_RESOURCES); iter = create_xml_node(iter, XML_LRM_TAG_RESOURCE); crm_xml_add(iter, XML_ATTR_ID, op->rsc_id); build_operation_update(iter, rsc, op, __FUNCTION__); if (rsc) { crm_xml_add(iter, XML_ATTR_TYPE, rsc->type); crm_xml_add(iter, XML_AGENT_ATTR_CLASS, rsc->class); crm_xml_add(iter, XML_AGENT_ATTR_PROVIDER, rsc->provider); CRM_CHECK(rsc->type != NULL, crm_err("Resource %s has no value for type", op->rsc_id)); CRM_CHECK(rsc->class != NULL, crm_err("Resource %s has no value for class", op->rsc_id)); } else { crm_warn("Resource %s no longer exists in the lrmd", op->rsc_id); send_direct_ack(NULL, NULL, rsc, op, op->rsc_id); goto cleanup; } crm_log_xml_trace(update, __FUNCTION__); /* make it an asyncronous call and be done with it * * Best case: * the resource state will be discovered during * the next signup or election. * * Bad case: * we are shutting down and there is no DC at the time, * but then why were we shutting down then anyway? * (probably because of an internal error) * * Worst case: * we get shot for having resources "running" when the really weren't * * the alternative however means blocking here for too long, which * isnt acceptable */ fsa_cib_update(XML_CIB_TAG_STATUS, update, call_opt, rc, NULL); if (rc > 0) { last_resource_update = rc; } done: /* the return code is a call number, not an error code */ crm_trace("Sent resource state update message: %d for %s=%d on %s", rc, op->op_type, op->interval, op->rsc_id); fsa_register_cib_callback(rc, FALSE, NULL, cib_rsc_callback); cleanup: free_xml(update); return rc; } void do_lrm_event(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input cur_input, fsa_data_t * msg_data) { CRM_CHECK(FALSE, return); } gboolean process_lrm_event(lrm_state_t * lrm_state, lrmd_event_data_t * op) { char *op_id = NULL; char *op_key = NULL; int update_id = 0; int log_level = LOG_ERR; gboolean removed = FALSE; lrmd_rsc_info_t *rsc = NULL; struct recurring_op_s *pending = NULL; CRM_CHECK(op != NULL, return FALSE); CRM_CHECK(op->rsc_id != NULL, return FALSE); op_id = make_stop_id(op->rsc_id, op->call_id); pending = g_hash_table_lookup(lrm_state->pending_ops, op_id); op_key = generate_op_key(op->rsc_id, op->op_type, op->interval); rsc = lrm_state_get_rsc_info(lrm_state, op->rsc_id, 0); switch (op->op_status) { case PCMK_LRM_OP_ERROR: case PCMK_LRM_OP_PENDING: case PCMK_LRM_OP_NOTSUPPORTED: break; case PCMK_LRM_OP_CANCELLED: log_level = LOG_INFO; break; case PCMK_LRM_OP_DONE: log_level = LOG_NOTICE; break; case PCMK_LRM_OP_TIMEOUT: log_level = LOG_DEBUG_3; crm_err("LRM operation %s (%d) %s (timeout=%dms)", op_key, op->call_id, services_lrm_status_str(op->op_status), op->timeout); break; default: crm_err("Mapping unknown status (%d) to ERROR", op->op_status); op->op_status = PCMK_LRM_OP_ERROR; } if (op->op_status == PCMK_LRM_OP_ERROR && (op->rc == PCMK_EXECRA_RUNNING_MASTER || op->rc == PCMK_EXECRA_NOT_RUNNING)) { /* Leave it up to the TE/PE to decide if this is an error */ op->op_status = PCMK_LRM_OP_DONE; log_level = LOG_INFO; } if (op->op_status != PCMK_LRM_OP_CANCELLED) { if (safe_str_eq(op->op_type, RSC_NOTIFY)) { /* Keep notify ops out of the CIB */ send_direct_ack(NULL, NULL, NULL, op, op->rsc_id); } else { update_id = do_update_resource(lrm_state, rsc, op); } } else if (op->interval == 0) { /* This will occur when "crm resource cleanup" is called while actions are in-flight */ crm_err("Op %s (call=%d): Cancelled", op_key, op->call_id); send_direct_ack(NULL, NULL, NULL, op, op->rsc_id); } else if (pending == NULL) { /* Operations that are cancelled may safely be removed * from the pending op list before the lrmd completion event * is received. Only report non-cancelled ops here. */ if (op->op_status != PCMK_LRM_OP_CANCELLED) { crm_err("Op %s (call=%d): No 'pending' entry", op_key, op->call_id); } } else if (op->user_data == NULL) { crm_err("Op %s (call=%d): No user data", op_key, op->call_id); } else if (pending->remove) { delete_op_entry(lrm_state, op, op->rsc_id, op_key, op->call_id); } else { /* Before a stop is called, no need to direct ack */ crm_trace("Op %s (call=%d): no delete event required", op_key, op->call_id); } if ((op->interval == 0) && g_hash_table_remove(lrm_state->pending_ops, op_id)) { removed = TRUE; crm_trace("Op %s (call=%d, stop-id=%s, remaining=%u): Confirmed", op_key, op->call_id, op_id, g_hash_table_size(lrm_state->pending_ops)); } else if(op->interval != 0 && op->op_status == PCMK_LRM_OP_CANCELLED) { removed = TRUE; g_hash_table_remove(lrm_state->pending_ops, op_id); } if (op->op_status == PCMK_LRM_OP_DONE) { do_crm_log(log_level, "LRM operation %s (call=%d, rc=%d, cib-update=%d, confirmed=%s) %s", op_key, op->call_id, op->rc, update_id, removed ? "true" : "false", lrmd_event_rc2str(op->rc)); } else { do_crm_log(log_level, "LRM operation %s (call=%d, status=%d, cib-update=%d, confirmed=%s) %s", op_key, op->call_id, op->op_status, update_id, removed ? "true" : "false", services_lrm_status_str(op->op_status)); } if (op->output) { char *prefix = g_strdup_printf("%s-%s_%s_%d:%d", lrm_state->node_name, op->rsc_id, op->op_type, op->interval, op->call_id); if (op->rc) { crm_log_output(LOG_NOTICE, prefix, op->output); } else { crm_log_output(LOG_DEBUG, prefix, op->output); } g_free(prefix); } if (op->rsc_deleted) { crm_info("Deletion of resource '%s' complete after %s", op->rsc_id, op_key); delete_rsc_entry(lrm_state, NULL, op->rsc_id, NULL, pcmk_ok, NULL); } /* If a shutdown was escalated while operations were pending, * then the FSA will be stalled right now... allow it to continue */ mainloop_set_trigger(fsa_source); update_history_cache(lrm_state, rsc, op); lrmd_free_rsc_info(rsc); free(op_key); free(op_id); return TRUE; } pacemaker-master/crmd/lrm_state.c000066400000000000000000000472111217637305600174010ustar00rootroot00000000000000/* * Copyright (C) 2012 David Vossel * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include GHashTable *lrm_state_table = NULL; GHashTable *proxy_table = NULL; int lrmd_internal_proxy_send(lrmd_t * lrmd, xmlNode *msg); void lrmd_internal_set_proxy_callback(lrmd_t * lrmd, void *userdata, void (*callback)(lrmd_t *lrmd, void *userdata, xmlNode *msg)); typedef struct remote_proxy_s { char *node_name; char *session_id; gboolean is_local; crm_ipc_t *ipc; mainloop_io_t *source; } remote_proxy_t; static void history_cache_destroy(gpointer data) { rsc_history_t *entry = data; if (entry->stop_params) { g_hash_table_destroy(entry->stop_params); } free(entry->rsc.type); free(entry->rsc.class); free(entry->rsc.provider); lrmd_free_event(entry->failed); lrmd_free_event(entry->last); free(entry->id); free(entry); } static void free_deletion_op(gpointer value) { struct pending_deletion_op_s *op = value; free(op->rsc); delete_ha_msg_input(op->input); free(op); } static void free_recurring_op(gpointer value) { struct recurring_op_s *op = (struct recurring_op_s *)value; free(op->rsc_id); free(op->op_type); free(op->op_key); free(op); } lrm_state_t * lrm_state_create(const char *node_name) { lrm_state_t *state = NULL; if (!node_name) { crm_err("No node name given for lrm state object"); return NULL; } state = calloc(1, sizeof(lrm_state_t)); if (!state) { return NULL; } state->node_name = strdup(node_name); state->deletion_ops = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, free_deletion_op); state->pending_ops = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, free_recurring_op); state->resource_history = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, history_cache_destroy); g_hash_table_insert(lrm_state_table, (char *)state->node_name, state); return state; } void lrm_state_destroy(const char *node_name) { g_hash_table_remove(lrm_state_table, node_name); } static gboolean remote_proxy_remove_by_node(gpointer key, gpointer value, gpointer user_data) { remote_proxy_t *proxy = value; const char *node_name = user_data; if (safe_str_eq(node_name, proxy->node_name)) { return TRUE; } return FALSE; } static void internal_lrm_state_destroy(gpointer data) { lrm_state_t *lrm_state = data; if (!lrm_state) { return; } crm_trace("Destroying proxy table with %d members", g_hash_table_size(proxy_table)); g_hash_table_foreach_remove(proxy_table, remote_proxy_remove_by_node, (char *) lrm_state->node_name); remote_ra_cleanup(lrm_state); lrmd_api_delete(lrm_state->conn); if (lrm_state->resource_history) { crm_trace("Destroying history op cache with %d members", g_hash_table_size(lrm_state->resource_history)); g_hash_table_destroy(lrm_state->resource_history); } if (lrm_state->deletion_ops) { crm_trace("Destroying deletion op cache with %d members", g_hash_table_size(lrm_state->deletion_ops)); g_hash_table_destroy(lrm_state->deletion_ops); } if (lrm_state->pending_ops) { crm_trace("Destroying pending op cache with %d members", g_hash_table_size(lrm_state->pending_ops)); g_hash_table_destroy(lrm_state->pending_ops); } free((char *)lrm_state->node_name); free(lrm_state); } void lrm_state_reset_tables(lrm_state_t * lrm_state) { if (lrm_state->resource_history) { crm_trace("Re-setting history op cache with %d members", g_hash_table_size(lrm_state->resource_history)); g_hash_table_remove_all(lrm_state->resource_history); } if (lrm_state->deletion_ops) { crm_trace("Re-setting deletion op cache with %d members", g_hash_table_size(lrm_state->deletion_ops)); g_hash_table_remove_all(lrm_state->deletion_ops); } if (lrm_state->pending_ops) { crm_trace("Re-setting pending op cache with %d members", g_hash_table_size(lrm_state->pending_ops)); g_hash_table_remove_all(lrm_state->pending_ops); } } static void remote_proxy_free(gpointer data) { remote_proxy_t *proxy = data; crm_debug("Signing out of the IPC Service"); if (proxy->source != NULL) { mainloop_del_ipc_client(proxy->source); } free(proxy->node_name); free(proxy->session_id); } gboolean lrm_state_init_local(void) { if (lrm_state_table) { return TRUE; } lrm_state_table = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, internal_lrm_state_destroy); if (!lrm_state_table) { return FALSE; } proxy_table = g_hash_table_new_full(crm_str_hash, g_str_equal, NULL, remote_proxy_free); if (!proxy_table) { g_hash_table_destroy(lrm_state_table); return FALSE; } return TRUE; } void lrm_state_destroy_all(void) { if (lrm_state_table) { crm_trace("Destroying state table with %d members", g_hash_table_size(lrm_state_table)); g_hash_table_destroy(lrm_state_table); lrm_state_table = NULL; } if(proxy_table) { crm_trace("Destroying proxy table with %d members", g_hash_table_size(proxy_table)); g_hash_table_destroy(proxy_table); proxy_table = NULL; } } lrm_state_t * lrm_state_find(const char *node_name) { if (!node_name) { return NULL; } return g_hash_table_lookup(lrm_state_table, node_name); } lrm_state_t * lrm_state_find_or_create(const char *node_name) { lrm_state_t *lrm_state; lrm_state = g_hash_table_lookup(lrm_state_table, node_name); if (!lrm_state) { lrm_state = lrm_state_create(node_name); } return lrm_state; } GList * lrm_state_get_list(void) { return g_hash_table_get_values(lrm_state_table); } void lrm_state_disconnect(lrm_state_t * lrm_state) { if (!lrm_state->conn) { return; } ((lrmd_t *) lrm_state->conn)->cmds->disconnect(lrm_state->conn); lrmd_api_delete(lrm_state->conn); lrm_state->conn = NULL; } int lrm_state_is_connected(lrm_state_t * lrm_state) { if (!lrm_state->conn) { return FALSE; } return ((lrmd_t *) lrm_state->conn)->cmds->is_connected(lrm_state->conn); } int lrm_state_poke_connection(lrm_state_t * lrm_state) { if (!lrm_state->conn) { return -1; } return ((lrmd_t *) lrm_state->conn)->cmds->poke_connection(lrm_state->conn); } int lrm_state_ipc_connect(lrm_state_t * lrm_state) { int ret; if (!lrm_state->conn) { lrm_state->conn = lrmd_api_new(); ((lrmd_t *) lrm_state->conn)->cmds->set_callback(lrm_state->conn, lrm_op_callback); } ret = ((lrmd_t *) lrm_state->conn)->cmds->connect(lrm_state->conn, CRM_SYSTEM_CRMD, NULL); if (ret != pcmk_ok) { lrm_state->num_lrm_register_fails++; } else { lrm_state->num_lrm_register_fails = 0; } return ret; } static void remote_proxy_notify_destroy(lrmd_t *lrmd, const char *session_id) { /* sending to the remote node that an ipc connection has been destroyed */ xmlNode *msg = create_xml_node(NULL, T_LRMD_IPC_PROXY); crm_xml_add(msg, F_LRMD_IPC_OP, "destroy"); crm_xml_add(msg, F_LRMD_IPC_SESSION, session_id); lrmd_internal_proxy_send(lrmd, msg); free_xml(msg); } static void remote_proxy_relay_event(lrmd_t *lrmd, const char *session_id, xmlNode *msg) { /* sending to the remote node an event msg. */ xmlNode *event = create_xml_node(NULL, T_LRMD_IPC_PROXY); crm_xml_add(event, F_LRMD_IPC_OP, "event"); crm_xml_add(event, F_LRMD_IPC_SESSION, session_id); add_message_xml(event, F_LRMD_IPC_MSG, msg); lrmd_internal_proxy_send(lrmd, event); free_xml(event); } static void remote_proxy_relay_response(lrmd_t *lrmd, const char *session_id, xmlNode *msg, int msg_id) { /* sending to the remote node a response msg. */ xmlNode *response = create_xml_node(NULL, T_LRMD_IPC_PROXY); crm_xml_add(response, F_LRMD_IPC_OP, "response"); crm_xml_add(response, F_LRMD_IPC_SESSION, session_id); crm_xml_add_int(response, F_LRMD_IPC_MSG_ID, msg_id); add_message_xml(response, F_LRMD_IPC_MSG, msg); lrmd_internal_proxy_send(lrmd, response); free_xml(response); } static int remote_proxy_dispatch_internal(const char *buffer, ssize_t length, gpointer userdata) { xmlNode *xml = NULL; remote_proxy_t *proxy = userdata; lrm_state_t *lrm_state = lrm_state_find(proxy->node_name); if (lrm_state == NULL) { return 0; } xml = string2xml(buffer); if (xml == NULL) { crm_warn("Received a NULL msg from IPC service."); return 1; } remote_proxy_relay_event(lrm_state->conn, proxy->session_id, xml); free_xml(xml); return 1; } static void remote_proxy_disconnected(void *userdata) { remote_proxy_t *proxy = userdata; lrm_state_t *lrm_state = lrm_state_find(proxy->node_name); crm_trace("destroying %p", userdata); proxy->source = NULL; proxy->ipc = NULL; if (lrm_state && lrm_state->conn) { remote_proxy_notify_destroy(lrm_state->conn, proxy->session_id); } g_hash_table_remove(proxy_table, proxy->session_id); } static remote_proxy_t * remote_proxy_new(const char *node_name, const char *session_id, const char *channel) { static struct ipc_client_callbacks proxy_callbacks = { .dispatch = remote_proxy_dispatch_internal, .destroy = remote_proxy_disconnected }; remote_proxy_t *proxy = calloc(1, sizeof(remote_proxy_t)); proxy->node_name = strdup(node_name); proxy->session_id = strdup(session_id); if (safe_str_eq(channel, CRM_SYSTEM_CRMD)) { proxy->is_local = TRUE; } else { proxy->source = mainloop_add_ipc_client(channel, G_PRIORITY_LOW, 512 * 1024 /* 512k */ , proxy, &proxy_callbacks); proxy->ipc = mainloop_get_ipc_client(proxy->source); if (proxy->source == NULL) { remote_proxy_free(proxy); return NULL; } } g_hash_table_insert(proxy_table, proxy->session_id, proxy); return proxy; } gboolean crmd_is_proxy_session(const char *session) { return g_hash_table_lookup(proxy_table, session) ? TRUE : FALSE; } void crmd_proxy_send(const char *session, xmlNode *msg) { remote_proxy_t *proxy = g_hash_table_lookup(proxy_table, session); lrm_state_t *lrm_state = NULL; if (!proxy) { return; } lrm_state = lrm_state_find(proxy->node_name); if (lrm_state) { remote_proxy_relay_event(lrm_state->conn, session, msg); } } static void crmd_proxy_dispatch(const char *user, const char *session, xmlNode *msg) { #if ENABLE_ACL determine_request_user(user, msg, F_CRM_USER); #endif crm_log_xml_trace(msg, "CRMd-PROXY[inbound]"); crm_xml_add(msg, F_CRM_SYS_FROM, session); if (crmd_authorize_message(msg, NULL, session)) { route_message(C_IPC_MESSAGE, msg); } trigger_fsa(fsa_source); } static void remote_proxy_cb(lrmd_t *lrmd, void *userdata, xmlNode *msg) { lrm_state_t *lrm_state = userdata; xmlNode *op_reply = NULL; const char *op = crm_element_value(msg, F_LRMD_IPC_OP); const char *session = crm_element_value(msg, F_LRMD_IPC_SESSION); const char *user = crm_element_value(msg, F_LRMD_IPC_USER); int msg_id = 0; /* sessions are raw ipc connections to IPC, * all we do is proxy requests/responses exactly * like they are given to us at the ipc level. */ CRM_CHECK(op != NULL, return); CRM_CHECK(session != NULL, return); crm_element_value_int(msg, F_LRMD_IPC_MSG_ID, &msg_id); /* This is msg from remote ipc client going to real ipc server */ if (safe_str_eq(op, "new")) { const char *channel = crm_element_value(msg, F_LRMD_IPC_IPC_SERVER); CRM_CHECK(channel != NULL, return); if (remote_proxy_new(lrm_state->node_name, session, channel) == NULL) { remote_proxy_notify_destroy(lrmd, session); } crm_info("new remote proxy client established, session id %s", session); } else if (safe_str_eq(op, "destroy")) { g_hash_table_remove(proxy_table, session); } else if (safe_str_eq(op, "request")) { int flags = 0; xmlNode *request = get_message_xml(msg, F_LRMD_IPC_MSG); remote_proxy_t *proxy = g_hash_table_lookup(proxy_table, session); CRM_CHECK(request != NULL, return); if (proxy == NULL) { /* proxy connection no longer exists */ remote_proxy_notify_destroy(lrmd, session); return; } else if ((proxy->is_local == FALSE) && (crm_ipc_connected(proxy->ipc) == FALSE)) { g_hash_table_remove(proxy_table, session); return; } crm_element_value_int(msg, F_LRMD_IPC_MSG_FLAGS, &flags); if (proxy->is_local) { /* this is for the crmd, which we are, so don't try * and connect/send to ourselves over ipc. instead * do it directly. */ if (flags & crm_ipc_client_response) { op_reply = create_xml_node(NULL, "ack"); crm_xml_add(op_reply, "function", __FUNCTION__); crm_xml_add_int(op_reply, "line", __LINE__); } crmd_proxy_dispatch(user, session, request); } else { /* TODO make this async. */ crm_ipc_send(proxy->ipc, request, flags, 10000, &op_reply); } } if (op_reply) { remote_proxy_relay_response(lrmd, session, op_reply, msg_id); free_xml(op_reply); } } int lrm_state_remote_connect_async(lrm_state_t * lrm_state, const char *server, int port, int timeout_ms) { int ret; if (!lrm_state->conn) { lrm_state->conn = lrmd_remote_api_new(lrm_state->node_name, server, port); if (!lrm_state->conn) { return -1; } ((lrmd_t *) lrm_state->conn)->cmds->set_callback(lrm_state->conn, remote_lrm_op_callback); lrmd_internal_set_proxy_callback(lrm_state->conn, lrm_state, remote_proxy_cb); } crm_trace("initiating remote connection to %s at %d with timeout %d", server, port, timeout_ms); ret = ((lrmd_t *) lrm_state->conn)->cmds->connect_async(lrm_state->conn, lrm_state->node_name, timeout_ms); if (ret != pcmk_ok) { lrm_state->num_lrm_register_fails++; } else { lrm_state->num_lrm_register_fails = 0; } return ret; } int lrm_state_get_metadata(lrm_state_t * lrm_state, const char *class, const char *provider, const char *agent, char **output, enum lrmd_call_options options) { if (!lrm_state->conn) { return -ENOTCONN; } /* Optimize this... only retrieve metadata from local lrmd connection. Perhaps consider * caching result. */ return ((lrmd_t *) lrm_state->conn)->cmds->get_metadata(lrm_state->conn, class, provider, agent, output, options); } int lrm_state_cancel(lrm_state_t * lrm_state, const char *rsc_id, const char *action, int interval) { if (!lrm_state->conn) { return -ENOTCONN; } /* Optimize this, cancel requires a synced request/response to the server. * Figure out a way to make this async. */ if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) { return remote_ra_cancel(lrm_state, rsc_id, action, interval); } return ((lrmd_t *) lrm_state->conn)->cmds->cancel(lrm_state->conn, rsc_id, action, interval); } lrmd_rsc_info_t * lrm_state_get_rsc_info(lrm_state_t * lrm_state, const char *rsc_id, enum lrmd_call_options options) { if (!lrm_state->conn) { return NULL; } /* optimize this... this function is a synced round trip from client to daemon. * It should be possible to cache the resource info in the lrmd client to prevent this. */ if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) { return remote_ra_get_rsc_info(lrm_state, rsc_id); } return ((lrmd_t *) lrm_state->conn)->cmds->get_rsc_info(lrm_state->conn, rsc_id, options); } int lrm_state_exec(lrm_state_t * lrm_state, const char *rsc_id, const char *action, const char *userdata, int interval, /* ms */ int timeout, /* ms */ int start_delay, /* ms */ lrmd_key_value_t * params) { if (!lrm_state->conn) { lrmd_key_value_freeall(params); return -ENOTCONN; } if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) { return remote_ra_exec(lrm_state, rsc_id, action, userdata, interval, timeout, start_delay, params); } return ((lrmd_t *) lrm_state->conn)->cmds->exec(lrm_state->conn, rsc_id, action, userdata, interval, timeout, start_delay, lrmd_opt_notify_changes_only, params); } int lrm_state_register_rsc(lrm_state_t * lrm_state, const char *rsc_id, const char *class, const char *provider, const char *agent, enum lrmd_call_options options) { if (!lrm_state->conn) { return -ENOTCONN; } /* optimize this... this function is a synced round trip from client to daemon. * The crmd/lrm.c code path should be re-factored to allow the register of resources * to be performed async. The lrmd client api needs to make an async version * of register available. */ if (is_remote_lrmd_ra(agent, provider, NULL)) { return lrm_state_find_or_create(rsc_id) ? pcmk_ok : -1; } return ((lrmd_t *) lrm_state->conn)->cmds->register_rsc(lrm_state->conn, rsc_id, class, provider, agent, options); } int lrm_state_unregister_rsc(lrm_state_t * lrm_state, const char *rsc_id, enum lrmd_call_options options) { if (!lrm_state->conn) { return -ENOTCONN; } /* optimize this... this function is a synced round trip from client to daemon. * The crmd/lrm.c code path that uses this function should always treat it as an * async operation. The lrmd client api needs to make an async version unreg available. */ if (is_remote_lrmd_ra(NULL, NULL, rsc_id)) { lrm_state_destroy(rsc_id); return pcmk_ok; } return ((lrmd_t *) lrm_state->conn)->cmds->unregister_rsc(lrm_state->conn, rsc_id, options); } pacemaker-master/crmd/main.c000066400000000000000000000112541217637305600163310ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define OPTARGS "hV" void usage(const char *cmd, int exit_status); int crmd_init(void); void crmd_hamsg_callback(const xmlNode * msg, void *private_data); extern void init_dotfile(void); GMainLoop *crmd_mainloop = NULL; /* *INDENT-OFF* */ static struct crm_option long_options[] = { /* Top-level Options */ {"help", 0, 0, '?', "\tThis text"}, {"verbose", 0, 0, 'V', "\tIncrease debug output"}, {0, 0, 0, 0} }; /* *INDENT-ON* */ int main(int argc, char **argv) { int flag; int index = 0; int argerr = 0; crmd_mainloop = g_main_new(FALSE); crm_log_init(NULL, LOG_INFO, TRUE, FALSE, argc, argv, FALSE); crm_set_options(NULL, "[options]", long_options, "Daemon for aggregating resource and node failures as well as co-ordinating the cluster's response"); while (1) { flag = crm_get_option(argc, argv, &index); if (flag == -1) break; switch (flag) { case 'V': crm_bump_log_level(argc, argv); break; case 'h': /* Help message */ crm_help(flag, EX_OK); break; default: ++argerr; break; } } if (argc - optind == 1 && safe_str_eq("metadata", argv[optind])) { crmd_metadata(); return 0; } else if (argc - optind == 1 && safe_str_eq("version", argv[optind])) { fprintf(stdout, "CRM Version: "); fprintf(stdout, "%s (%s)\n", VERSION, BUILD_VERSION); return 0; } crm_notice("CRM Git Version: %s\n", BUILD_VERSION); if (optind > argc) { ++argerr; } if (argerr) { crm_help('?', EX_USAGE); } if (crm_is_writable(PE_STATE_DIR, NULL, CRM_DAEMON_USER, CRM_DAEMON_GROUP, FALSE) == FALSE) { crm_err("Bad permissions on " PE_STATE_DIR ". Terminating"); fprintf(stderr, "ERROR: Bad permissions on " PE_STATE_DIR ". See logs for details\n"); fflush(stderr); return 100; } else if (crm_is_writable(CRM_CONFIG_DIR, NULL, CRM_DAEMON_USER, CRM_DAEMON_GROUP, FALSE) == FALSE) { crm_err("Bad permissions on " CRM_CONFIG_DIR ". Terminating"); fprintf(stderr, "ERROR: Bad permissions on " CRM_CONFIG_DIR ". See logs for details\n"); fflush(stderr); return 100; } return crmd_init(); } int crmd_init(void) { int exit_code = 0; enum crmd_fsa_state state; fsa_state = S_STARTING; fsa_input_register = 0; /* zero out the regester */ init_dotfile(); crm_debug("Starting %s", crm_system_name); register_fsa_input(C_STARTUP, I_STARTUP, NULL); crm_peer_init(); state = s_crmd_fsa(C_STARTUP); if (state == S_PENDING || state == S_STARTING) { /* Create the mainloop and run it... */ crm_trace("Starting %s's mainloop", crm_system_name); #ifdef REALTIME_SUPPORT static int crm_realtime = 1; if (crm_realtime == 1) { cl_enable_realtime(); } else if (crm_realtime == 0) { cl_disable_realtime(); } cl_make_realtime(SCHED_RR, 5, 64, 64); #endif g_main_run(crmd_mainloop); if (is_set(fsa_input_register, R_STAYDOWN)) { crm_info("Inhibiting automated respawn"); exit_code = 100; } } else { crm_err("Startup of %s failed. Current state: %s", crm_system_name, fsa_state2string(state)); exit_code = 1; } crm_info("%u stopped: %s (%d)", getpid(), pcmk_strerror(exit_code), exit_code); return crmd_fast_exit(exit_code); } pacemaker-master/crmd/make_dot.pl000066400000000000000000000265501217637305600173660ustar00rootroot00000000000000#!/bin/perl # Copyright (C) 2004 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This software is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # # generates a transition graph based on the crmd_fsa_state array in # fsa_matrix.h and an actions graph of sorts based on the crmd_fsa_actions # array also in fsa_matrix.h. $do_links2self=1; $input_file = $ARGV[0]; $output_dir = $ARGV[1]; make_inputs_dot($input_file, $output_dir."/fsa_inputs.dot", "const enum crmd_fsa_state crmd_fsa_state", "const long long crmd_fsa_actions"); make_actions_dot($input_file, $output_dir."/fsa_actions_by_state.dot", $output_dir."/fsa_inputs_by_action.dot", "const long long crmd_fsa_actions", "ELSEIF_INVOKE_FSA_ACTION"); sub make_inputs_dot { my ($input, $output, $start, $stop) = @_; my $duplicate_edges; my $self_links; my $illegal_links; my $nothing_links; my $warn_links; my $filename=$input; my $filedesc=INPUT_FD; unless (open($filedesc, $filename)) { print STDERR "Can't open $filename: $!\n"; } my $seen_start = 0; my $input = ""; my @lines = ; my %HoH = {}; my $intro = 'digraph "g" { size = "30,30" graph [ fontsize = "12" fontcolor = "black" bb = "0,0,398.922306,478.927856" color = "black" ] node [ fontsize = "12" fontcolor = "black" shape = "ellipse" color = "black" ] edge [ fontsize = "12" fontcolor = "black" color = "black" ] // special nodes "Any State" [ fontcolor="white" fillcolor="black" style="filled" ] "S_PENDING" [ color = "blue" fontcolor = "blue" ] "S_TERMINATE" [ color = "red" fillcolor = "red" style="filled" ] "S_STOPPING" [ color = "red" fillcolor = "red" style="filled" ] "S_RECOVERY" [ color = "orange" fillcolor = "orange" style="filled" ] "S_HALT" [ color = "#eeee55" fillcolor = "#eeee55" style="filled" ] "S_ELECTION" [ color = "purple" fillcolor = "purple" style="filled" ] "S_RELEASE_DC" [ color = "grey" fillcolor = "grey" style="filled" ] // DC only nodes "S_INTEGRATION" [ fillcolor = "#33dd33" style="filled" ] "S_FINALIZE_JOIN" [ fillcolor = "#33dd33" style="filled" ] "S_POLICY_ENGINE" [ color = "royalblue" fillcolor = "royalblue" style="filled" ] "S_TRANSITION_ENGINE" [ fillcolor = "#33dd33" style="filled" ] "S_IDLE" [ fillcolor = "#33dd33" style="filled" ] '; $outro = '} '; $filename=$output; $filedesc=DOT_FD; unless (open($filedesc, '>',$filename)) { print STDERR "Can't open $filename: $!\n"; } print DOT_FD $intro; foreach $line (@lines) { $seen_start=1 if($line =~ /$start/); $seen_start=0 if($line =~ /$stop/); if($seen_start == 1) { my $is_input = 0; my $is_transition = 0; $is_input = 1 if($line =~ / Got an I_/); $is_transition = 1 if($line =~ /==\>/); if($is_input == 1) { $input = $line; $input =~ s/.*Got an //; $input =~ s/\ \*\///; chop($input); } if($is_transition == 1) { @bits = split(/\s/, $line); $state1 = @bits[3]; $state2 = @bits[7]; if("$state2" eq "") { # for some reason it ends up in @bits[6] sometimes $state2 = @bits[6]; } chop($state2); if($do_links2self && $state1 eq $state2) { $self_links = $self_links+1; } else { if( $state1 eq $state2 ) { $self_links = $self_links+1; } if( $input eq "I_TERMINATE" ) { } elsif( $input eq "I_STOP" ) { } elsif( $input eq "I_RELEASE_FAIL" ) { } elsif( exists($HoH{$state1}) ) { $rec = $HoH{$state1}; if( $HoH{$state1}{$state2} ne "" ) { $oldval = $HoH{$state1}{$state2}; $rec->{$state2} = $oldval.",\\n".$input; $duplicate_edges = $duplicate_edges + 1; } else { $rec->{$state2} = $input; } } else { $rec = {}; $HoH{$state1} = $rec; $rec->{$state2} = $input; } } } } } # print the whole thing somewhat sorted foreach $state_from ( sort keys %HoH ) { # print "$state_from: { "; for $state_to ( sort keys %{ $HoH{$state_from} } ) { $color="black"; $color="red" if $state_to =~ /STOPPING/; $color="red" if $state_to =~ /TERMINATE/; $color="orange" if $state_to =~ /RECOVERY/; $color="#eeee55" if $state_to =~ /HALT/; $color="blue" if $state_to =~ /PENDING/; $color="purple" if $state_to =~ /ELECTION/; $color="royalblue" if $state_to =~ /POLICY/; $color="gray" if $state_to =~ /RELEASE/; print DOT_FD "\"".$state_from."\" -> \"".$state_to."\" [ color=\"$color\" fontcolor=\"$color\" label = \"$HoH{$state_from}{$state_to}\" ]\n"; # print DOT_FD "\"".$state_from."\" -> \"".$state_to."\" [ label = \"$HoH{$state_from}{$state_to}\" ]\n"; # print "$state_to=$HoH{$state_from}{$state_to} "; } # print "}\n"; } $color="red"; print DOT_FD "\"Any State\" -> \"S_STOPPING\" [ color=\"$color\" fontcolor=\"$color\" label = \"I_STOP\" ]\n"; print DOT_FD "\"Any State\" -> \"S_STOPPING\" [ color=\"$color\" fontcolor=\"$color\" label = \"I_RELEASE_FAIL\" ]\n"; print DOT_FD "\"Any State\" -> \"S_TERMINATE\" [ color=\"$color\" fontcolor=\"$color\" label = \"I_TERMINATE\" ]\n"; print DOT_FD $outro; close(DOT_FD); close(INPUT_FD); print "\n$output Done...\n"; print "Saved $duplicate_edges duplicate edges\n"; print "Saved $self_links links to self\n"; } sub make_actions_dot { my ($input, $output1, $output2, $start, $stop) = @_; my $duplicate_edges; my $self_links; my $illegal_links; my $nothing_links; my $warn_links; my $filename=$input; my $filedesc=INPUT_FD; unless (open($filedesc, $filename)) { print STDERR "Can't open $filename: $!\n"; } my $seen_start = 0; my $input = ""; my @lines = ; my %HoH = {}; my %HoH2 = {}; my $intro = 'digraph "g" { rankdir = LR // size = "30,30" graph [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" bb = "0,0,398.922306,478.927856" color = "black" ] node [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" shape = "ellipse" color = "black" ] edge [ fontsize = "12" fontname = "Times-Roman" fontcolor = "black" color = "black" ] '; $outro = '} '; foreach $line (@lines) { $seen_start=1 if($line =~ /$start/); $seen_start=0 if($line =~ /$stop/); if($seen_start == 1) { my $is_input = 0; my $is_transition = 0; $is_input = 1 if($line =~ / Got an I_/); $is_transition = 1 if($line =~ /==\>/); if($is_input == 1) { $input = $line; $input =~ s/.*Got an //; $input =~ s/\ \*\///; chop($input); } if($is_transition == 1) { @bits = split(/\s/, $line); $state1 = @bits[3]; $state2 = @bits[7]; if("$state2" eq "") { # for some reason it ends up in @bits[6] sometimes $state2 = @bits[6]; } chop($state2); @actions = split(/\|/, $state2); foreach $action ( sort @actions ) { $key1 = $state1; $key2 = $input." {".$state1."}"; $value = $action; if( exists($HoH{$key1}) ) { $rec = $HoH{$key1}; } else { $rec = {}; $HoH{$key1} = $rec; } if($action =~ /A_NOTHING/) { $nothing_links = $nothing_links + 1; } elsif($action =~ /A_WARN/) { $warn_links = $warn_links + 1; } elsif($action =~ /A_LOG/) { $log_links = $log_links + 1; } elsif( $HoH{$key1}{$key2} ne "" ) { $oldval = $HoH{$key1}{$key2}; $rec->{$key2} = $oldval.",\\n".$value; $duplicate_edges = $duplicate_edges + 1; } else { $rec->{$key2} = $value; } $key1 = $action; $key2 = $state1." {".$action."}"; $value = $input; if( exists($HoH2{$key1}) ) { $rec = $HoH2{$key1}; } else { $rec = {}; $HoH2{$key1} = $rec; } if($action =~ /A_NOTHING/) { $nothing_links = $nothing_links + 1; } elsif($action =~ /A_WARN/) { $warn_links = $warn_links + 1; } elsif($action =~ /A_LOG/) { $log_links = $log_links + 1; } elsif( $HoH2{$key1}{$key2} ne "" ) { $oldval = $HoH2{$key1}{$key2}; $rec->{$key2} = $oldval.",\\n".$value; $duplicate_edges = $duplicate_edges + 1; } else { $rec->{$key2} = $value; } } } } } $filename=$output1; $filedesc=DOT_FD; unless (open($filedesc, '>',$filename)) { print STDERR "Can't open $filename: $!\n"; } print DOT_FD $intro; # print the whole thing somewhat sorted foreach $family ( sort keys %HoH ) { # print "$family: { "; for $role ( sort keys %{ $HoH{$family} } ) { # aid readability $color="black"; $color="red" if $role =~ /TERMINATE/; $color="red" if $role =~ /STOP/; $color="orange" if $role =~ /ERROR/; $color="orange" if $role =~ /FAIL/; $color="#33dd33" if $role =~ /ELECTION/; $color="blue" if $role =~ /RESTART/; $color="cyan" if $role =~ /TIMEOUT/; $color="gray" if $role =~ /UPDATE/; print DOT_FD "\"".$family."\" -> \"".$role."\" [ color=\"$color\" fontcolor=\"$color\" label = \"$HoH{$family}{$role}\" ]\n"; # print "$role=$HoH{$family}{$role} "; } # print "}\n"; } print DOT_FD $outro; close(DOT_FD); $filename=$output2; $filedesc=DOT_FD; unless (open($filedesc, '>',$filename)) { print STDERR "Can't open $filename: $!\n"; } print DOT_FD $intro; # print the whole thing somewhat sorted foreach $family ( sort keys %HoH2 ) { # print "$family: { "; for $role ( sort keys %{ $HoH2{$family} } ) { # aid readability $color="black"; $color="red" if $role =~ /TERMINATE/; $color="red" if $role =~ /STOP/; $color="orange" if $role =~ /ERROR/; $color="orange" if $role =~ /FAIL/; $color="#33dd33" if $role =~ /ELECTION/; $color="blue" if $role =~ /RESTART/; $color="cyan" if $role =~ /TIMEOUT/; $color="gray" if $role =~ /UPDATE/; print DOT_FD "\"".$family."\" -> \"".$role."\" [ color=\"$color\" fontcolor=\"$color\" label = \"$HoH2{$family}{$role}\" ]\n"; # print "$role=$HoH{$family}{$role} "; } # print "}\n"; } print DOT_FD $outro; close(DOT_FD); close(INPUT_FD); print "\n$output Done...\n"; print "Saved $duplicate_edges duplicate edges\n"; print "Saved $self_links links to self\n"; print "Saved $nothing_links links to the A_NOTHING action\n"; print "Saved $warn_links links to the A_WARN action\n"; print "Saved $log_links links to the A_LOG action\n"; } pacemaker-master/crmd/membership.c000066400000000000000000000230741217637305600175430ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* put these first so that uuid_t is defined without conflicts */ #include #include #include #include #include #include #include #include #include #include #include #include gboolean membership_flux_hack = FALSE; void post_cache_update(int instance); int last_peer_update = 0; extern GHashTable *voted; extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); static void reap_dead_nodes(gpointer key, gpointer value, gpointer user_data) { crm_node_t *node = value; if (crm_is_peer_active(node) == FALSE) { crm_update_peer_join(__FUNCTION__, node, crm_join_none); if(node->uname) { if (voted != NULL) { g_hash_table_remove(voted, node->uname); } if (safe_str_eq(fsa_our_uname, node->uname)) { crm_err("We're not part of the cluster anymore"); register_fsa_input(C_FSA_INTERNAL, I_ERROR, NULL); } else if (AM_I_DC == FALSE && safe_str_eq(node->uname, fsa_our_dc)) { crm_warn("Our DC node (%s) left the cluster", node->uname); register_fsa_input(C_FSA_INTERNAL, I_ELECTION, NULL); } } if (fsa_state == S_INTEGRATION || fsa_state == S_FINALIZE_JOIN) { check_join_state(fsa_state, __FUNCTION__); } fail_incompletable_actions(transition_graph, node->uuid); } } gboolean ever_had_quorum = FALSE; void post_cache_update(int instance) { xmlNode *no_op = NULL; crm_peer_seq = instance; crm_debug("Updated cache after membership event %d.", instance); g_hash_table_foreach(crm_peer_cache, reap_dead_nodes, NULL); set_bit(fsa_input_register, R_MEMBERSHIP); if (AM_I_DC) { populate_cib_nodes(node_update_quick | node_update_cluster | node_update_peer | node_update_expected, __FUNCTION__); } /* * If we lost nodes, we should re-check the election status * Safe to call outside of an election */ register_fsa_action(A_ELECTION_CHECK); /* Membership changed, remind everyone we're here. * This will aid detection of duplicate DCs */ no_op = create_request(CRM_OP_NOOP, NULL, NULL, CRM_SYSTEM_CRMD, AM_I_DC ? CRM_SYSTEM_DC : CRM_SYSTEM_CRMD, NULL); send_cluster_message(NULL, crm_msg_crmd, no_op, FALSE); free_xml(no_op); } static void crmd_node_update_complete(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; last_peer_update = 0; if (rc == pcmk_ok) { crm_trace("Node update %d complete", call_id); } else if(call_id < pcmk_ok) { crm_err("Node update failed: %s (%d)", pcmk_strerror(call_id), call_id); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } else { crm_err("Node update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } xmlNode * do_update_node_cib(crm_node_t * node, int flags, xmlNode * parent, const char *source) { const char *value = NULL; xmlNode *node_state = create_xml_node(parent, XML_CIB_TAG_STATE); set_uuid(node_state, XML_ATTR_UUID, node); if (crm_element_value(node_state, XML_ATTR_UUID) == NULL) { crm_info("Node update for %s cancelled: no id", node->uname); free_xml(node_state); return NULL; } crm_xml_add(node_state, XML_ATTR_UNAME, node->uname); if (flags & node_update_cluster) { if (safe_str_eq(node->state, CRM_NODE_ACTIVE)) { value = XML_BOOLEAN_YES; } else if (node->state) { value = XML_BOOLEAN_NO; } else { value = NULL; } crm_xml_add(node_state, XML_NODE_IN_CLUSTER, value); } if (flags & node_update_peer) { value = OFFLINESTATUS; if (node->processes & proc_flags) { value = ONLINESTATUS; } crm_xml_add(node_state, XML_NODE_IS_PEER, value); } if (flags & node_update_join) { if(node->join <= crm_join_none) { value = CRMD_JOINSTATE_DOWN; } else { value = CRMD_JOINSTATE_MEMBER; } crm_xml_add(node_state, XML_NODE_JOIN_STATE, value); } if (flags & node_update_expected) { crm_xml_add(node_state, XML_NODE_EXPECTED, node->expected); } crm_xml_add(node_state, XML_ATTR_ORIGIN, source); return node_state; } static void node_list_update_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; if(call_id < pcmk_ok) { crm_err("Node list update failed: %s (%d)", pcmk_strerror(call_id), call_id); crm_log_xml_debug(msg, "update:failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } else if(rc < pcmk_ok) { crm_err("Node update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "update:failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } void populate_cib_nodes(enum node_update_flags flags, const char *source) { int call_id = 0; gboolean from_hashtable = TRUE; int call_options = cib_scope_local | cib_quorum_override; xmlNode *node_list = create_xml_node(NULL, XML_CIB_TAG_NODES); #if SUPPORT_HEARTBEAT if (is_not_set(flags, node_update_quick) && is_heartbeat_cluster()) { from_hashtable = heartbeat_initialize_nodelist(fsa_cluster_conn, FALSE, node_list); } #endif #if SUPPORT_COROSYNC # if !SUPPORT_PLUGIN if (is_not_set(flags, node_update_quick) && is_corosync_cluster()) { from_hashtable = corosync_initialize_nodelist(NULL, FALSE, node_list); } # endif #endif if (from_hashtable) { GHashTableIter iter; crm_node_t *node = NULL; g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { xmlNode *new_node = NULL; crm_trace("Creating node entry for %s/%s", node->uname, node->uuid); if(node->uuid && node->uname) { /* We need both to be valid */ new_node = create_xml_node(node_list, XML_CIB_TAG_NODE); crm_xml_add(new_node, XML_ATTR_ID, node->uuid); crm_xml_add(new_node, XML_ATTR_UNAME, node->uname); } } } crm_trace("Populating section from %s", from_hashtable ? "hashtable" : "cluster"); fsa_cib_update(XML_CIB_TAG_NODES, node_list, call_options, call_id, NULL); fsa_register_cib_callback(call_id, FALSE, NULL, node_list_update_callback); free_xml(node_list); if (call_id >= pcmk_ok && crm_peer_cache != NULL && AM_I_DC) { /* * There is no need to update the local CIB with our values if * we've not seen valid membership data */ GHashTableIter iter; crm_node_t *node = NULL; node_list = create_xml_node(NULL, XML_CIB_TAG_STATUS); g_hash_table_iter_init(&iter, crm_peer_cache); while (g_hash_table_iter_next(&iter, NULL, (gpointer *) &node)) { do_update_node_cib(node, flags, node_list, source); } fsa_cib_update(XML_CIB_TAG_STATUS, node_list, call_options, call_id, NULL); fsa_register_cib_callback(call_id, FALSE, NULL, crmd_node_update_complete); last_peer_update = call_id; free_xml(node_list); } } static void cib_quorum_update_complete(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { fsa_data_t *msg_data = NULL; if (rc == pcmk_ok) { crm_trace("Quorum update %d complete", call_id); } else { crm_err("Quorum update %d failed: %s (%d)", call_id, pcmk_strerror(rc), rc); crm_log_xml_debug(msg, "failed"); register_fsa_error(C_FSA_INTERNAL, I_ERROR, NULL); } } void crm_update_quorum(gboolean quorum, gboolean force_update) { ever_had_quorum |= quorum; if (AM_I_DC && (force_update || fsa_has_quorum != quorum)) { int call_id = 0; xmlNode *update = NULL; int call_options = cib_scope_local | cib_quorum_override; update = create_xml_node(NULL, XML_TAG_CIB); crm_xml_add_int(update, XML_ATTR_HAVE_QUORUM, quorum); crm_xml_add(update, XML_ATTR_DC_UUID, fsa_our_uuid); fsa_cib_update(XML_TAG_CIB, update, call_options, call_id, NULL); crm_debug("Updating quorum status to %s (call=%d)", quorum ? "true" : "false", call_id); fsa_register_cib_callback(call_id, FALSE, NULL, cib_quorum_update_complete); free_xml(update); } fsa_has_quorum = quorum; } pacemaker-master/crmd/membership.h000066400000000000000000000003741217637305600175460ustar00rootroot00000000000000 void reap_dead_ccm_nodes(gpointer key, gpointer value, gpointer user_data); void post_cache_update(int instance); extern gboolean check_join_state(enum crmd_fsa_state cur_state, const char *source); #define proc_flags (crm_proc_crmd | crm_proc_cpg) pacemaker-master/crmd/messages.c000066400000000000000000000722441217637305600172220ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include GListPtr fsa_message_queue = NULL; extern void crm_shutdown(int nsig); void handle_response(xmlNode * stored_msg); enum crmd_fsa_input handle_request(xmlNode * stored_msg, enum crmd_fsa_cause cause); enum crmd_fsa_input handle_shutdown_request(xmlNode * stored_msg); #ifdef MSG_LOG # define ROUTER_RESULT(x) crm_trace("Router result: %s", x); \ crm_log_xml_trace(msg, "router.log"); #else # define ROUTER_RESULT(x) crm_trace("Router result: %s", x) #endif /* debug only, can wrap all it likes */ int last_data_id = 0; void register_fsa_error_adv(enum crmd_fsa_cause cause, enum crmd_fsa_input input, fsa_data_t * cur_data, void *new_data, const char *raised_from) { /* save the current actions if any */ if (fsa_actions != A_NOTHING) { register_fsa_input_adv(cur_data ? cur_data->fsa_cause : C_FSA_INTERNAL, I_NULL, cur_data ? cur_data->data : NULL, fsa_actions, TRUE, __FUNCTION__); } /* reset the action list */ crm_info("Resetting the current action list"); fsa_dump_actions(fsa_actions, "Drop"); fsa_actions = A_NOTHING; /* register the error */ register_fsa_input_adv(cause, input, new_data, A_NOTHING, TRUE, raised_from); } int register_fsa_input_adv(enum crmd_fsa_cause cause, enum crmd_fsa_input input, void *data, long long with_actions, gboolean prepend, const char *raised_from) { unsigned old_len = g_list_length(fsa_message_queue); fsa_data_t *fsa_data = NULL; CRM_CHECK(raised_from != NULL, raised_from = ""); if (input == I_NULL && with_actions == A_NOTHING /* && data == NULL */ ) { /* no point doing anything */ crm_err("Cannot add entry to queue: no input and no action"); return 0; } if (input == I_WAIT_FOR_EVENT) { do_fsa_stall = TRUE; crm_debug("Stalling the FSA pending further input: source=%s cause=%s data=%p queue=%d", raised_from, fsa_cause2string(cause), data, old_len); if (old_len > 0) { fsa_dump_queue(LOG_TRACE); prepend = FALSE; } if (data == NULL) { fsa_actions |= with_actions; fsa_dump_actions(with_actions, "Restored"); return 0; } /* Store everything in the new event and reset fsa_actions */ with_actions |= fsa_actions; fsa_actions = A_NOTHING; } last_data_id++; crm_trace("%s %s FSA input %d (%s) (cause=%s) %s data", raised_from, prepend ? "prepended" : "appended", last_data_id, fsa_input2string(input), fsa_cause2string(cause), data ? "with" : "without"); fsa_data = calloc(1, sizeof(fsa_data_t)); fsa_data->id = last_data_id; fsa_data->fsa_input = input; fsa_data->fsa_cause = cause; fsa_data->origin = raised_from; fsa_data->data = NULL; fsa_data->data_type = fsa_dt_none; fsa_data->actions = with_actions; if (with_actions != A_NOTHING) { crm_trace("Adding actions %.16llx to input", with_actions); } if (data != NULL) { switch (cause) { case C_FSA_INTERNAL: case C_CRMD_STATUS_CALLBACK: case C_IPC_MESSAGE: case C_HA_MESSAGE: crm_trace("Copying %s data from %s as a HA msg", fsa_cause2string(cause), raised_from); CRM_CHECK(((ha_msg_input_t *) data)->msg != NULL, crm_err("Bogus data from %s", raised_from)); fsa_data->data = copy_ha_msg_input(data); fsa_data->data_type = fsa_dt_ha_msg; break; case C_LRM_OP_CALLBACK: crm_trace("Copying %s data from %s as lrmd_event_data_t", fsa_cause2string(cause), raised_from); fsa_data->data = lrmd_copy_event((lrmd_event_data_t *) data); fsa_data->data_type = fsa_dt_lrm; break; case C_CCM_CALLBACK: case C_SUBSYSTEM_CONNECT: case C_LRM_MONITOR_CALLBACK: case C_TIMER_POPPED: case C_SHUTDOWN: case C_HEARTBEAT_FAILED: case C_HA_DISCONNECT: case C_ILLEGAL: case C_UNKNOWN: case C_STARTUP: crm_err("Copying %s data (from %s)" " not yet implemented", fsa_cause2string(cause), raised_from); crmd_exit(pcmk_err_generic); break; } crm_trace("%s data copied", fsa_cause2string(fsa_data->fsa_cause)); } /* make sure to free it properly later */ if (prepend) { crm_trace("Prepending input"); fsa_message_queue = g_list_prepend(fsa_message_queue, fsa_data); } else { fsa_message_queue = g_list_append(fsa_message_queue, fsa_data); } crm_trace("Queue len: %d", g_list_length(fsa_message_queue)); /* fsa_dump_queue(LOG_DEBUG_2); */ if (old_len == g_list_length(fsa_message_queue)) { crm_err("Couldnt add message to the queue"); } if (fsa_source && input != I_WAIT_FOR_EVENT) { crm_trace("Triggering FSA: %s", __FUNCTION__); mainloop_set_trigger(fsa_source); } return last_data_id; } void fsa_dump_queue(int log_level) { int offset = 0; GListPtr lpc = NULL; for (lpc = fsa_message_queue; lpc != NULL; lpc = lpc->next) { fsa_data_t *data = (fsa_data_t *) lpc->data; do_crm_log_unlikely(log_level, "queue[%d.%d]: input %s raised by %s(%p.%d)\t(cause=%s)", offset++, data->id, fsa_input2string(data->fsa_input), data->origin, data->data, data->data_type, fsa_cause2string(data->fsa_cause)); } } ha_msg_input_t * copy_ha_msg_input(ha_msg_input_t * orig) { ha_msg_input_t *copy = NULL; xmlNodePtr data = NULL; if (orig != NULL) { crm_trace("Copy msg"); data = copy_xml(orig->msg); } else { crm_trace("No message to copy"); } copy = new_ha_msg_input(data); if (orig && orig->msg != NULL) { CRM_CHECK(copy->msg != NULL, crm_err("copy failed")); } return copy; } void delete_fsa_input(fsa_data_t * fsa_data) { lrmd_event_data_t *op = NULL; xmlNode *foo = NULL; if (fsa_data == NULL) { return; } crm_trace("About to free %s data", fsa_cause2string(fsa_data->fsa_cause)); if (fsa_data->data != NULL) { switch (fsa_data->data_type) { case fsa_dt_ha_msg: delete_ha_msg_input(fsa_data->data); break; case fsa_dt_xml: foo = fsa_data->data; free_xml(foo); break; case fsa_dt_lrm: op = (lrmd_event_data_t *) fsa_data->data; lrmd_free_event(op); break; case fsa_dt_none: if (fsa_data->data != NULL) { crm_err("Dont know how to free %s data from %s", fsa_cause2string(fsa_data->fsa_cause), fsa_data->origin); crmd_exit(pcmk_err_generic); } break; } crm_trace("%s data freed", fsa_cause2string(fsa_data->fsa_cause)); } free(fsa_data); } /* returns the next message */ fsa_data_t * get_message(void) { fsa_data_t *message = g_list_nth_data(fsa_message_queue, 0); fsa_message_queue = g_list_remove(fsa_message_queue, message); crm_trace("Processing input %d", message->id); return message; } /* returns the current head of the FIFO queue */ gboolean is_message(void) { return (g_list_length(fsa_message_queue) > 0); } void * fsa_typed_data_adv(fsa_data_t * fsa_data, enum fsa_data_type a_type, const char *caller) { void *ret_val = NULL; if (fsa_data == NULL) { crm_err("%s: No FSA data available", caller); } else if (fsa_data->data == NULL) { crm_err("%s: No message data available. Origin: %s", caller, fsa_data->origin); } else if (fsa_data->data_type != a_type) { crm_crit("%s: Message data was the wrong type! %d vs. requested=%d. Origin: %s", caller, fsa_data->data_type, a_type, fsa_data->origin); CRM_ASSERT(fsa_data->data_type == a_type); } else { ret_val = fsa_data->data; } return ret_val; } /* A_MSG_ROUTE */ void do_msg_route(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg); route_message(msg_data->fsa_cause, input->msg); } void route_message(enum crmd_fsa_cause cause, xmlNode * input) { ha_msg_input_t fsa_input; enum crmd_fsa_input result = I_NULL; fsa_input.msg = input; CRM_CHECK(cause == C_IPC_MESSAGE || cause == C_HA_MESSAGE, return); /* try passing the buck first */ if (relay_message(input, cause == C_IPC_MESSAGE)) { return; } /* handle locally */ result = handle_message(input, cause); /* done or process later? */ switch (result) { case I_NULL: case I_CIB_OP: case I_ROUTER: case I_NODE_JOIN: case I_JOIN_REQUEST: case I_JOIN_RESULT: break; default: /* Defering local processing of message */ register_fsa_input_later(cause, result, &fsa_input); return; } if (result != I_NULL) { /* add to the front of the queue */ register_fsa_input(cause, result, &fsa_input); } } gboolean relay_message(xmlNode * msg, gboolean originated_locally) { int dest = 1; int is_for_dc = 0; int is_for_dcib = 0; int is_for_te = 0; int is_for_crm = 0; int is_for_cib = 0; int is_local = 0; gboolean processing_complete = FALSE; const char *host_to = crm_element_value(msg, F_CRM_HOST_TO); const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); const char *type = crm_element_value(msg, F_TYPE); const char *msg_error = NULL; crm_trace("Routing message %s", crm_element_value(msg, XML_ATTR_REFERENCE)); if (msg == NULL) { msg_error = "Cannot route empty message"; } else if (safe_str_eq(CRM_OP_HELLO, crm_element_value(msg, F_CRM_TASK))) { /* quietly ignore */ processing_complete = TRUE; } else if (safe_str_neq(type, T_CRM)) { msg_error = "Bad message type"; } else if (sys_to == NULL) { msg_error = "Bad message destination: no subsystem"; } if (msg_error != NULL) { processing_complete = TRUE; crm_err("%s", msg_error); crm_log_xml_warn(msg, "bad msg"); } if (processing_complete) { return TRUE; } processing_complete = TRUE; is_for_dc = (strcasecmp(CRM_SYSTEM_DC, sys_to) == 0); is_for_dcib = (strcasecmp(CRM_SYSTEM_DCIB, sys_to) == 0); is_for_te = (strcasecmp(CRM_SYSTEM_TENGINE, sys_to) == 0); is_for_cib = (strcasecmp(CRM_SYSTEM_CIB, sys_to) == 0); is_for_crm = (strcasecmp(CRM_SYSTEM_CRMD, sys_to) == 0); is_local = 0; if (host_to == NULL || strlen(host_to) == 0) { if (is_for_dc || is_for_te) { is_local = 0; } else if (is_for_crm && originated_locally) { is_local = 0; } else { is_local = 1; } } else if (safe_str_eq(fsa_our_uname, host_to)) { is_local = 1; } if (is_for_dc || is_for_dcib || is_for_te) { if (AM_I_DC && is_for_te) { ROUTER_RESULT("Message result: Local relay"); send_msg_via_ipc(msg, sys_to); } else if (AM_I_DC) { ROUTER_RESULT("Message result: DC/CRMd process"); processing_complete = FALSE; /* more to be done by caller */ } else if (originated_locally && safe_str_neq(sys_from, CRM_SYSTEM_PENGINE) && safe_str_neq(sys_from, CRM_SYSTEM_TENGINE)) { /* Neither the TE or PE should be sending messages * to DC's on other nodes * * By definition, if we are no longer the DC, then * the PE or TE's data should be discarded */ #if SUPPORT_COROSYNC if (is_openais_cluster()) { dest = text2msg_type(sys_to); } #endif ROUTER_RESULT("Message result: External relay to DC"); send_cluster_message(host_to ? crm_get_peer(0, host_to) : NULL, dest, msg, TRUE); } else { /* discard */ ROUTER_RESULT("Message result: Discard, not DC"); } } else if (is_local && (is_for_crm || is_for_cib)) { ROUTER_RESULT("Message result: CRMd process"); processing_complete = FALSE; /* more to be done by caller */ } else if (is_local) { ROUTER_RESULT("Message result: Local relay"); send_msg_via_ipc(msg, sys_to); } else { #if SUPPORT_COROSYNC if (is_openais_cluster()) { dest = text2msg_type(sys_to); if (dest == crm_msg_none || dest > crm_msg_stonith_ng) { dest = crm_msg_crmd; } } #endif ROUTER_RESULT("Message result: External relay"); send_cluster_message(host_to ? crm_get_peer(0, host_to) : NULL, dest, msg, TRUE); } return processing_complete; } static gboolean process_hello_message(xmlNode * hello, char **client_name, char **major_version, char **minor_version) { const char *local_client_name; const char *local_major_version; const char *local_minor_version; *client_name = NULL; *major_version = NULL; *minor_version = NULL; if (hello == NULL) { return FALSE; } local_client_name = crm_element_value(hello, "client_name"); local_major_version = crm_element_value(hello, "major_version"); local_minor_version = crm_element_value(hello, "minor_version"); if (local_client_name == NULL || strlen(local_client_name) == 0) { crm_err("Hello message was not valid (field %s not found)", "client name"); return FALSE; } else if (local_major_version == NULL || strlen(local_major_version) == 0) { crm_err("Hello message was not valid (field %s not found)", "major version"); return FALSE; } else if (local_minor_version == NULL || strlen(local_minor_version) == 0) { crm_err("Hello message was not valid (field %s not found)", "minor version"); return FALSE; } *client_name = strdup(local_client_name); *major_version = strdup(local_major_version); *minor_version = strdup(local_minor_version); crm_trace("Hello message ok"); return TRUE; } gboolean crmd_authorize_message(xmlNode * client_msg, crm_client_t * curr_client, const char *proxy_session) { char *client_name = NULL; char *major_version = NULL; char *minor_version = NULL; gboolean auth_result = FALSE; xmlNode *xml = NULL; const char *op = crm_element_value(client_msg, F_CRM_TASK); const char *uuid = curr_client ? curr_client->id : proxy_session; if (uuid == NULL) { crm_warn("Message [%s] not authorized", crm_element_value(client_msg, XML_ATTR_REFERENCE)); return FALSE; } else if (safe_str_neq(CRM_OP_HELLO, op)) { return TRUE; } xml = get_message_xml(client_msg, F_CRM_DATA); auth_result = process_hello_message(xml, &client_name, &major_version, &minor_version); if (auth_result == TRUE) { if (client_name == NULL) { crm_err("Bad client details (client_name=%s, uuid=%s)", crm_str(client_name), uuid); auth_result = FALSE; } } if (auth_result == TRUE) { /* check version */ int mav = atoi(major_version); int miv = atoi(minor_version); crm_trace("Checking client version number"); if (mav < 0 || miv < 0) { crm_err("Client version (%d:%d) is not acceptable", mav, miv); auth_result = FALSE; } } if (auth_result == TRUE) { crm_trace("Accepted client %s", client_name); if (curr_client) { curr_client->userdata = strdup(client_name); } crm_trace("Triggering FSA: %s", __FUNCTION__); mainloop_set_trigger(fsa_source); } else { crm_warn("Rejected client logon request"); if (curr_client) { qb_ipcs_disconnect(curr_client->ipcs); } } free(minor_version); free(major_version); free(client_name); /* hello messages should never be processed further */ return FALSE; } enum crmd_fsa_input handle_message(xmlNode * msg, enum crmd_fsa_cause cause) { const char *type = NULL; CRM_CHECK(msg != NULL, return I_NULL); type = crm_element_value(msg, F_CRM_MSG_TYPE); if (crm_str_eq(type, XML_ATTR_REQUEST, TRUE)) { return handle_request(msg, cause); } else if (crm_str_eq(type, XML_ATTR_RESPONSE, TRUE)) { handle_response(msg); return I_NULL; } crm_err("Unknown message type: %s", type); return I_NULL; } static enum crmd_fsa_input handle_failcount_op(xmlNode * stored_msg) { const char *rsc = NULL; const char *uname = NULL; gboolean is_remote_node = FALSE; xmlNode *xml_rsc = get_xpath_object("//" XML_CIB_TAG_RESOURCE, stored_msg, LOG_ERR); if (xml_rsc) { rsc = ID(xml_rsc); } uname = crm_element_value(stored_msg, XML_LRM_ATTR_TARGET); if (crm_element_value(stored_msg, XML_LRM_ATTR_ROUTER_NODE)) { is_remote_node = TRUE; } if (rsc) { char *attr = NULL; crm_info("Removing failcount for %s", rsc); attr = crm_concat("fail-count", rsc, '-'); update_attrd(uname, attr, NULL, NULL, is_remote_node); free(attr); attr = crm_concat("last-failure", rsc, '-'); update_attrd(uname, attr, NULL, NULL, is_remote_node); free(attr); lrm_clear_last_failure(rsc, uname); } else { crm_log_xml_warn(stored_msg, "invalid failcount op"); } return I_NULL; } enum crmd_fsa_input handle_request(xmlNode * stored_msg, enum crmd_fsa_cause cause) { xmlNode *msg = NULL; const char *op = crm_element_value(stored_msg, F_CRM_TASK); /* Optimize this for the DC - it has the most to do */ if (op == NULL) { crm_log_xml_err(stored_msg, "Bad message"); return I_NULL; } /*========== DC-Only Actions ==========*/ if (AM_I_DC) { if (strcmp(op, CRM_OP_JOIN_ANNOUNCE) == 0) { return I_NODE_JOIN; } else if (strcmp(op, CRM_OP_JOIN_REQUEST) == 0) { return I_JOIN_REQUEST; } else if (strcmp(op, CRM_OP_JOIN_CONFIRM) == 0) { return I_JOIN_RESULT; } else if (strcmp(op, CRM_OP_SHUTDOWN) == 0) { const char *host_from = crm_element_value(stored_msg, F_CRM_HOST_FROM); gboolean dc_match = safe_str_eq(host_from, fsa_our_dc); if (is_set(fsa_input_register, R_SHUTDOWN)) { crm_info("Shutting ourselves down (DC)"); return I_STOP; } else if (dc_match) { crm_err("We didnt ask to be shut down, yet our" " TE is telling us too." " Better get out now!"); return I_TERMINATE; } else if (fsa_state != S_STOPPING) { crm_err("Another node is asking us to shutdown" " but we think we're ok."); return I_ELECTION; } } else if (strcmp(op, CRM_OP_SHUTDOWN_REQ) == 0) { /* a slave wants to shut down */ /* create cib fragment and add to message */ return handle_shutdown_request(stored_msg); } } /*========== common actions ==========*/ if (strcmp(op, CRM_OP_NOVOTE) == 0) { ha_msg_input_t fsa_input; fsa_input.msg = stored_msg; register_fsa_input_adv(C_HA_MESSAGE, I_NULL, &fsa_input, A_ELECTION_COUNT | A_ELECTION_CHECK, FALSE, __FUNCTION__); } else if (strcmp(op, CRM_OP_CLEAR_FAILCOUNT) == 0) { return handle_failcount_op(stored_msg); } else if (strcmp(op, CRM_OP_VOTE) == 0) { /* count the vote and decide what to do after that */ ha_msg_input_t fsa_input; fsa_input.msg = stored_msg; register_fsa_input_adv(C_HA_MESSAGE, I_NULL, &fsa_input, A_ELECTION_COUNT | A_ELECTION_CHECK, FALSE, __FUNCTION__); /* Sometimes we _must_ go into S_ELECTION */ if (fsa_state == S_HALT) { crm_debug("Forcing an election from S_HALT"); return I_ELECTION; #if 0 } else if (AM_I_DC) { /* This is the old way of doing things but what is gained? */ return I_ELECTION; #endif } } else if (strcmp(op, CRM_OP_JOIN_OFFER) == 0) { crm_debug("Raising I_JOIN_OFFER: join-%s", crm_element_value(stored_msg, F_CRM_JOIN_ID)); return I_JOIN_OFFER; } else if (strcmp(op, CRM_OP_JOIN_ACKNAK) == 0) { crm_debug("Raising I_JOIN_RESULT: join-%s", crm_element_value(stored_msg, F_CRM_JOIN_ID)); return I_JOIN_RESULT; } else if (strcmp(op, CRM_OP_LRM_DELETE) == 0 || strcmp(op, CRM_OP_LRM_FAIL) == 0 || strcmp(op, CRM_OP_LRM_REFRESH) == 0 || strcmp(op, CRM_OP_REPROBE) == 0) { crm_xml_add(stored_msg, F_CRM_SYS_TO, CRM_SYSTEM_LRMD); return I_ROUTER; } else if (strcmp(op, CRM_OP_NOOP) == 0) { return I_NULL; } else if (strcmp(op, CRM_OP_LOCAL_SHUTDOWN) == 0) { crm_shutdown(SIGTERM); /*return I_SHUTDOWN; */ return I_NULL; /*========== (NOT_DC)-Only Actions ==========*/ } else if (AM_I_DC == FALSE && strcmp(op, CRM_OP_SHUTDOWN) == 0) { const char *host_from = crm_element_value(stored_msg, F_CRM_HOST_FROM); gboolean dc_match = safe_str_eq(host_from, fsa_our_dc); if (dc_match || fsa_our_dc == NULL) { if (is_set(fsa_input_register, R_SHUTDOWN) == FALSE) { crm_err("We didn't ask to be shut down, yet our" " DC is telling us too."); set_bit(fsa_input_register, R_STAYDOWN); return I_STOP; } crm_info("Shutting down"); return I_STOP; } else { crm_warn("Discarding %s op from %s", op, host_from); } } else if (strcmp(op, CRM_OP_PING) == 0) { /* eventually do some stuff to figure out * if we /are/ ok */ const char *sys_to = crm_element_value(stored_msg, F_CRM_SYS_TO); xmlNode *ping = create_xml_node(NULL, XML_CRM_TAG_PING); crm_xml_add(ping, XML_PING_ATTR_STATUS, "ok"); crm_xml_add(ping, XML_PING_ATTR_SYSFROM, sys_to); crm_xml_add(ping, "crmd_state", fsa_state2string(fsa_state)); /* Ok, so technically not so interesting, but CTS needs to see this */ crm_notice("Current ping state: %s", fsa_state2string(fsa_state)); msg = create_reply(stored_msg, ping); if(msg) { relay_message(msg, TRUE); } free_xml(ping); free_xml(msg); } else if (strcmp(op, CRM_OP_RM_NODE_CACHE) == 0) { int id = 0; const char *name = NULL; crm_element_value_int(stored_msg, XML_ATTR_ID, &id); name = crm_element_value(stored_msg, XML_ATTR_UNAME); if(cause == C_IPC_MESSAGE) { msg = create_request(CRM_OP_RM_NODE_CACHE, NULL, NULL, CRM_SYSTEM_CRMD, CRM_SYSTEM_CRMD, NULL); if (send_cluster_message(NULL, crm_msg_crmd, msg, TRUE) == FALSE) { crm_err("Could not instruct peers to remove references to node %s/%u", name, id); } else { crm_notice("Instructing peers to remove references to node %s/%u", name, id); } free_xml(msg); } else { reap_crm_member(id, name); } } else { crm_err("Unexpected request (%s) sent to %s", op, AM_I_DC ? "the DC" : "non-DC node"); crm_log_xml_err(stored_msg, "Unexpected"); } return I_NULL; } void handle_response(xmlNode * stored_msg) { const char *op = crm_element_value(stored_msg, F_CRM_TASK); if (op == NULL) { crm_log_xml_err(stored_msg, "Bad message"); } else if (AM_I_DC && strcmp(op, CRM_OP_PECALC) == 0) { /* Check if the PE answer been superceeded by a subsequent request? */ const char *msg_ref = crm_element_value(stored_msg, XML_ATTR_REFERENCE); if (msg_ref == NULL) { crm_err("%s - Ignoring calculation with no reference", op); } else if (safe_str_eq(msg_ref, fsa_pe_ref)) { ha_msg_input_t fsa_input; fsa_input.msg = stored_msg; register_fsa_input_later(C_IPC_MESSAGE, I_PE_SUCCESS, &fsa_input); crm_trace("Completed: %s...", fsa_pe_ref); } else { crm_info("%s calculation %s is obsolete", op, msg_ref); } } else if (strcmp(op, CRM_OP_VOTE) == 0 || strcmp(op, CRM_OP_SHUTDOWN_REQ) == 0 || strcmp(op, CRM_OP_SHUTDOWN) == 0) { } else { const char *host_from = crm_element_value(stored_msg, F_CRM_HOST_FROM); crm_err("Unexpected response (op=%s, src=%s) sent to the %s", op, host_from, AM_I_DC ? "DC" : "CRMd"); } } enum crmd_fsa_input handle_shutdown_request(xmlNode * stored_msg) { /* handle here to avoid potential version issues * where the shutdown message/proceedure may have * been changed in later versions. * * This way the DC is always in control of the shutdown */ char *now_s = NULL; time_t now = time(NULL); const char *host_from = crm_element_value(stored_msg, F_CRM_HOST_FROM); if (host_from == NULL) { /* we're shutting down and the DC */ host_from = fsa_our_uname; } crm_info("Creating shutdown request for %s (state=%s)", host_from, fsa_state2string(fsa_state)); crm_log_xml_trace(stored_msg, "message"); now_s = crm_itoa(now); update_attrd(host_from, XML_CIB_ATTR_SHUTDOWN, now_s, NULL, FALSE); free(now_s); /* will be picked up by the TE as long as its running */ return I_NULL; } /* msg is deleted by the time this returns */ extern gboolean process_te_message(xmlNode * msg, xmlNode * xml_data); gboolean send_msg_via_ipc(xmlNode * msg, const char *sys) { gboolean send_ok = TRUE; crm_client_t *client_channel = crm_client_get_by_id(sys); if (crm_element_value(msg, F_CRM_HOST_FROM) == NULL) { crm_xml_add(msg, F_CRM_HOST_FROM, fsa_our_uname); } if (client_channel != NULL) { /* Transient clients such as crmadmin */ send_ok = crm_ipcs_send(client_channel, 0, msg, TRUE); } else if (sys != NULL && strcmp(sys, CRM_SYSTEM_TENGINE) == 0) { xmlNode *data = get_message_xml(msg, F_CRM_DATA); process_te_message(msg, data); } else if (sys != NULL && strcmp(sys, CRM_SYSTEM_LRMD) == 0) { fsa_data_t fsa_data; ha_msg_input_t fsa_input; fsa_input.msg = msg; fsa_input.xml = get_message_xml(msg, F_CRM_DATA); fsa_data.id = 0; fsa_data.actions = 0; fsa_data.data = &fsa_input; fsa_data.fsa_input = I_MESSAGE; fsa_data.fsa_cause = C_IPC_MESSAGE; fsa_data.origin = __FUNCTION__; fsa_data.data_type = fsa_dt_ha_msg; #ifdef FSA_TRACE crm_trace("Invoking action A_LRM_INVOKE (%.16llx)", A_LRM_INVOKE); #endif do_lrm_invoke(A_LRM_INVOKE, C_IPC_MESSAGE, fsa_state, I_MESSAGE, &fsa_data); } else if (sys != NULL && crmd_is_proxy_session(sys)) { crmd_proxy_send(sys, msg); } else { crm_err("Unknown Sub-system (%s)... discarding message.", crm_str(sys)); send_ok = FALSE; } return send_ok; } ha_msg_input_t * new_ha_msg_input(xmlNode * orig) { ha_msg_input_t *input_copy = NULL; input_copy = calloc(1, sizeof(ha_msg_input_t)); input_copy->msg = orig; input_copy->xml = get_message_xml(input_copy->msg, F_CRM_DATA); return input_copy; } void delete_ha_msg_input(ha_msg_input_t * orig) { if (orig == NULL) { return; } free_xml(orig->msg); free(orig); } pacemaker-master/crmd/misc.c000066400000000000000000000044111217637305600163350ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include /* A_LOG, A_WARN, A_ERROR */ void do_log(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { unsigned log_type = LOG_TRACE; if (action & A_LOG) { log_type = LOG_INFO; } else if (action & A_WARN) { log_type = LOG_WARNING; } else if (action & A_ERROR) { log_type = LOG_ERR; } do_crm_log(log_type, "FSA: Input %s from %s() received in state %s", fsa_input2string(msg_data->fsa_input), msg_data->origin, fsa_state2string(cur_state)); if (msg_data->data_type == fsa_dt_ha_msg) { ha_msg_input_t *input = fsa_typed_data(msg_data->data_type); crm_log_xml_debug(input->msg, __FUNCTION__); } else if (msg_data->data_type == fsa_dt_xml) { xmlNode *input = fsa_typed_data(msg_data->data_type); crm_log_xml_debug(input, __FUNCTION__); } else if (msg_data->data_type == fsa_dt_lrm) { lrmd_event_data_t *input = fsa_typed_data(msg_data->data_type); do_crm_log(log_type, "Resource %s: Call ID %d returned %d (%d)." " New status if rc=0: %s", input->rsc_id, input->call_id, input->rc, input->op_status, (char *)input->user_data); } } pacemaker-master/crmd/pengine.c000066400000000000000000000221641217637305600170340ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include /* for access */ #include /* for calls to open */ #include /* for calls to open */ #include /* for calls to open */ #include /* for getpwuid */ #include /* for initgroups */ #include /* for getrlimit */ #include /* for getrlimit */ #include #include #include #include #include #include #include #include struct crm_subsystem_s *pe_subsystem = NULL; void do_pe_invoke_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); static void save_cib_contents(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { char *id = user_data; register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__); CRM_CHECK(id != NULL, return); if (rc == pcmk_ok) { int len = 15; char *filename = NULL; len += strlen(id); len += strlen(PE_STATE_DIR); filename = calloc(1, len); CRM_CHECK(filename != NULL, return); sprintf(filename, PE_STATE_DIR "/pe-core-%s.bz2", id); if (write_xml_file(output, filename, TRUE) < 0) { crm_err("Could not save CIB contents after PE crash to %s", filename); } else { crm_notice("Saved CIB contents after PE crash to %s", filename); } free(filename); } free(id); } static void pe_ipc_destroy(gpointer user_data) { clear_bit(fsa_input_register, pe_subsystem->flag_connected); if (is_set(fsa_input_register, pe_subsystem->flag_required)) { int rc = pcmk_ok; char *uuid_str = crm_generate_uuid(); crm_crit("Connection to the Policy Engine failed (pid=%d, uuid=%s)", pe_subsystem->pid, uuid_str); /* *The PE died... * * Save the current CIB so that we have a chance of * figuring out what killed it. * * Delay raising the I_ERROR until the query below completes or * 5s is up, whichever comes first. * */ rc = fsa_cib_conn->cmds->query(fsa_cib_conn, NULL, NULL, cib_scope_local); fsa_register_cib_callback(rc, FALSE, uuid_str, save_cib_contents); } else { crm_info("Connection to the Policy Engine released"); } pe_subsystem->pid = -1; pe_subsystem->source = NULL; pe_subsystem->client = NULL; mainloop_set_trigger(fsa_source); return; } static int pe_ipc_dispatch(const char *buffer, ssize_t length, gpointer userdata) { xmlNode *msg = string2xml(buffer); if (msg) { route_message(C_IPC_MESSAGE, msg); } free_xml(msg); return 0; } /* A_PE_START, A_PE_STOP, A_TE_RESTART */ void do_pe_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { struct crm_subsystem_s *this_subsys = pe_subsystem; long long stop_actions = A_PE_STOP; long long start_actions = A_PE_START; static struct ipc_client_callbacks pe_callbacks = { .dispatch = pe_ipc_dispatch, .destroy = pe_ipc_destroy }; if (action & stop_actions) { clear_bit(fsa_input_register, pe_subsystem->flag_required); mainloop_del_ipc_client(pe_subsystem->source); pe_subsystem->source = NULL; clear_bit(fsa_input_register, pe_subsystem->flag_connected); } if ((action & start_actions) && (is_set(fsa_input_register, R_PE_CONNECTED) == FALSE)) { if (cur_state != S_STOPPING) { set_bit(fsa_input_register, pe_subsystem->flag_required); pe_subsystem->source = mainloop_add_ipc_client(CRM_SYSTEM_PENGINE, G_PRIORITY_DEFAULT, 5 * 1024 * 1024 /* 5Mb */ , NULL, &pe_callbacks); if (pe_subsystem->source == NULL) { crm_warn("Setup of client connection failed, not adding channel to mainloop"); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); return; } /* if (is_openais_cluster()) { */ /* pe_subsystem->pid = pe_subsystem->ipc->farside_pid; */ /* } */ set_bit(fsa_input_register, pe_subsystem->flag_connected); } else { crm_info("Ignoring request to start %s while shutting down", this_subsys->name); } } } int fsa_pe_query = 0; char *fsa_pe_ref = NULL; /* A_PE_INVOKE */ void do_pe_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { if (AM_I_DC == FALSE) { crm_err("Not DC: No need to invoke the PE (anymore): %s", fsa_action2string(action)); return; } if (is_set(fsa_input_register, R_PE_CONNECTED) == FALSE) { if (is_set(fsa_input_register, R_SHUTDOWN)) { crm_err("Cannot shut down gracefully without the PE"); register_fsa_input_before(C_FSA_INTERNAL, I_TERMINATE, NULL); } else { crm_info("Waiting for the PE to connect"); crmd_fsa_stall(FALSE); register_fsa_action(A_PE_START); } return; } if (cur_state != S_POLICY_ENGINE) { crm_notice("No need to invoke the PE in state %s", fsa_state2string(cur_state)); return; } if (is_set(fsa_input_register, R_HAVE_CIB) == FALSE) { crm_err("Attempted to invoke the PE without a consistent copy of the CIB!"); /* start the join from scratch */ register_fsa_input_before(C_FSA_INTERNAL, I_ELECTION, NULL); return; } fsa_pe_query = fsa_cib_conn->cmds->query(fsa_cib_conn, NULL, NULL, cib_scope_local); crm_debug("Query %d: Requesting the current CIB: %s", fsa_pe_query, fsa_state2string(fsa_state)); /* Make sure any queued calculations are discarded */ free(fsa_pe_ref); fsa_pe_ref = NULL; fsa_register_cib_callback(fsa_pe_query, FALSE, NULL, do_pe_invoke_callback); } void do_pe_invoke_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { int sent; xmlNode *cmd = NULL; if (rc != pcmk_ok) { crm_err("Cant retrieve the CIB: %s (call %d)", pcmk_strerror(rc), call_id); register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__); return; } else if (call_id != fsa_pe_query) { crm_trace("Skipping superceeded CIB query: %d (current=%d)", call_id, fsa_pe_query); return; } else if (AM_I_DC == FALSE || is_set(fsa_input_register, R_PE_CONNECTED) == FALSE) { crm_debug("No need to invoke the PE anymore"); return; } else if (fsa_state != S_POLICY_ENGINE) { crm_debug("Discarding PE request in state: %s", fsa_state2string(fsa_state)); return; } else if (last_peer_update != 0) { crm_debug("Re-asking for the CIB: peer update %d still pending", last_peer_update); sleep(1); register_fsa_action(A_PE_INVOKE); return; } else if (fsa_state != S_POLICY_ENGINE) { crm_err("Invoking PE in state: %s", fsa_state2string(fsa_state)); return; } CRM_LOG_ASSERT(output != NULL); crm_xml_add(output, XML_ATTR_DC_UUID, fsa_our_uuid); crm_xml_add_int(output, XML_ATTR_HAVE_QUORUM, fsa_has_quorum); if (ever_had_quorum && crm_have_quorum == FALSE) { crm_xml_add_int(output, XML_ATTR_QUORUM_PANIC, 1); } cmd = create_request(CRM_OP_PECALC, output, NULL, CRM_SYSTEM_PENGINE, CRM_SYSTEM_DC, NULL); free(fsa_pe_ref); fsa_pe_ref = crm_element_value_copy(cmd, XML_ATTR_REFERENCE); sent = crm_ipc_send(mainloop_get_ipc_client(pe_subsystem->source), cmd, 0, 0, NULL); if (sent <= 0) { crm_err("Could not contact the pengine: %d", sent); register_fsa_error_adv(C_FSA_INTERNAL, I_ERROR, NULL, NULL, __FUNCTION__); } crm_debug("Invoking the PE: query=%d, ref=%s, seq=%llu, quorate=%d", fsa_pe_query, fsa_pe_ref, crm_peer_seq, fsa_has_quorum); free_xml(cmd); } pacemaker-master/crmd/remote_lrmd_ra.c000066400000000000000000000464661217637305600204150ustar00rootroot00000000000000/* * Copyright (C) 2013 David Vossel * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #define REMOTE_LRMD_RA "remote" /* The max start timeout before cmd retry */ #define MAX_START_TIMEOUT_MS 10000 typedef struct remote_ra_cmd_s { /*! the local node the cmd is issued from */ char *owner; /*! the remote node the cmd is executed on */ char *rsc_id; /*! the action to execute */ char *action; /*! some string the client wants us to give it back */ char *userdata; /*! start delay in ms */ int start_delay; /*! timer id used for start delay. */ int delay_id; /*! timeout in ms for cmd */ int timeout; int remaining_timeout; /*! recurring interval in ms */ int interval; /*! interval timer id */ int interval_id; int reported_success; int monitor_timeout_id; /*! action parameters */ lrmd_key_value_t *params; /*! executed rc */ int rc; int op_status; int call_id; time_t start_time; gboolean cancel; } remote_ra_cmd_t; typedef struct remote_ra_data_s { crm_trigger_t *work; remote_ra_cmd_t *cur_cmd; GList *cmds; GList *recurring_cmds; } remote_ra_data_t; static int handle_remote_ra_start(lrm_state_t * lrm_state, remote_ra_cmd_t * cmd, int timeout_ms); static void free_cmd(gpointer user_data) { remote_ra_cmd_t *cmd = user_data; if (!cmd) { return; } if (cmd->delay_id) { g_source_remove(cmd->delay_id); } if (cmd->interval_id) { g_source_remove(cmd->interval_id); } if (cmd->monitor_timeout_id) { g_source_remove(cmd->monitor_timeout_id); } free(cmd->owner); free(cmd->rsc_id); free(cmd->action); free(cmd->userdata); lrmd_key_value_freeall(cmd->params); free(cmd); } static int generate_callid(void) { static int remote_ra_callid = 0; remote_ra_callid++; if (remote_ra_callid <= 0) { remote_ra_callid = 1; } return remote_ra_callid; } static gboolean recurring_helper(gpointer data) { remote_ra_cmd_t *cmd = data; lrm_state_t *connection_rsc = NULL; cmd->interval_id = 0; connection_rsc = lrm_state_find(cmd->rsc_id); if (connection_rsc && connection_rsc->remote_ra_data) { remote_ra_data_t *ra_data = connection_rsc->remote_ra_data; ra_data->recurring_cmds = g_list_remove(ra_data->recurring_cmds, cmd); cmd->call_id = generate_callid(); ra_data->cmds = g_list_append(ra_data->cmds, cmd); mainloop_set_trigger(ra_data->work); } return FALSE; } static gboolean start_delay_helper(gpointer data) { remote_ra_cmd_t *cmd = data; lrm_state_t *connection_rsc = NULL; cmd->delay_id = 0; connection_rsc = lrm_state_find(cmd->rsc_id); if (connection_rsc && connection_rsc->remote_ra_data) { remote_ra_data_t *ra_data = connection_rsc->remote_ra_data; mainloop_set_trigger(ra_data->work); } return FALSE; } static void report_remote_ra_result(remote_ra_cmd_t * cmd) { lrmd_event_data_t op = { 0, }; op.type = lrmd_event_exec_complete; op.rsc_id = cmd->rsc_id; op.op_type = cmd->action; op.user_data = cmd->userdata; op.timeout = cmd->timeout; op.interval = cmd->interval; op.rc = cmd->rc; op.op_status = cmd->op_status; if (cmd->params) { lrmd_key_value_t *tmp; op.params = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, g_hash_destroy_str); for (tmp = cmd->params; tmp; tmp = tmp->next) { g_hash_table_insert(op.params, strdup(tmp->key), strdup(tmp->value)); } } op.call_id = cmd->call_id; op.remote_nodename = cmd->owner; lrm_op_callback(&op); if (op.params) { g_hash_table_destroy(op.params); } } static void update_remaining_timeout(remote_ra_cmd_t * cmd) { cmd->remaining_timeout = ((cmd->timeout / 1000) - (time(NULL) - cmd->start_time)) * 1000; } static gboolean retry_start_cmd_cb(gpointer data) { lrm_state_t *lrm_state = data; remote_ra_data_t *ra_data = lrm_state->remote_ra_data; remote_ra_cmd_t *cmd = NULL; int rc = -1; if (!ra_data || !ra_data->cur_cmd) { return FALSE; } cmd = ra_data->cur_cmd; if (safe_str_neq(cmd->action, "start")) { return FALSE; } update_remaining_timeout(cmd); if (cmd->remaining_timeout > 0) { rc = handle_remote_ra_start(lrm_state, cmd, cmd->remaining_timeout); } if (rc != 0) { cmd->rc = PCMK_EXECRA_UNKNOWN_ERROR; cmd->op_status = PCMK_LRM_OP_ERROR; report_remote_ra_result(cmd); if (ra_data->cmds) { mainloop_set_trigger(ra_data->work); } ra_data->cur_cmd = NULL; free_cmd(cmd); } else { /* wait for connection event */ } return FALSE; } static gboolean monitor_timeout_cb(gpointer data) { lrm_state_t *lrm_state = NULL; remote_ra_cmd_t *cmd = data; crm_debug("Poke async response timed out for node %s", cmd->rsc_id); cmd->monitor_timeout_id = 0; cmd->op_status = PCMK_LRM_OP_TIMEOUT; cmd->rc = PCMK_EXECRA_UNKNOWN_ERROR; lrm_state = lrm_state_find(cmd->rsc_id); if (lrm_state && lrm_state->remote_ra_data) { remote_ra_data_t *ra_data = lrm_state->remote_ra_data; if (ra_data->cur_cmd == cmd) { ra_data->cur_cmd = NULL; } if (ra_data->cmds) { mainloop_set_trigger(ra_data->work); } } report_remote_ra_result(cmd); free_cmd(cmd); return FALSE; } static void remote_init_cib_status(lrm_state_t *lrm_state) { xmlNode *update = create_xml_node(NULL, XML_CIB_TAG_STATUS); xmlNode *state = NULL; int call_id = 0; int call_opt = cib_quorum_override; if (fsa_state == S_ELECTION || fsa_state == S_PENDING) { call_opt |= cib_scope_local; } state = create_xml_node(update, XML_CIB_TAG_STATE); crm_xml_add(state, XML_NODE_IS_REMOTE, "true"); crm_xml_add(state, XML_ATTR_UUID, lrm_state->node_name); crm_xml_add(state, XML_ATTR_UNAME, lrm_state->node_name); crm_xml_add(state, XML_ATTR_ORIGIN, __FUNCTION__); fsa_cib_update(XML_CIB_TAG_STATUS, update, call_opt, call_id, NULL); if (call_id != pcmk_ok) { crm_debug("Failed to init status section for remote-node %s", lrm_state->node_name); } free_xml(update); } void remote_lrm_op_callback(lrmd_event_data_t * op) { lrm_state_t *lrm_state = NULL; remote_ra_data_t *ra_data = NULL; remote_ra_cmd_t *cmd = NULL; crm_debug("remote connection event - event_type:%s node:%s action:%s rc:%s op_status:%s", lrmd_event_type2str(op->type), op->remote_nodename, op->op_type ? op->op_type : "none", lrmd_event_rc2str(op->rc), services_lrm_status_str(op->op_status)); /* filter all EXEC events up */ if (op->type == lrmd_event_exec_complete) { lrm_op_callback(op); return; } lrm_state = lrm_state_find(op->remote_nodename); if (!lrm_state || !lrm_state->remote_ra_data) { crm_debug("lrm_state info not found for remote lrmd connection event"); return; } ra_data = lrm_state->remote_ra_data; if (!ra_data->cur_cmd) { crm_debug("no event to match"); return; } cmd = ra_data->cur_cmd; /* Start actions and migrate from actions complete after connection * comes back to us. */ if (op->type == lrmd_event_connect && (safe_str_eq(cmd->action, "start") || safe_str_eq(cmd->action, "migrate_from"))) { if (op->connection_rc < 0) { update_remaining_timeout(cmd); /* There isn't much of a reason to reschedule if the timeout is too small */ if (cmd->remaining_timeout > 3000) { crm_trace("rescheduling start, remaining timeout %d", cmd->remaining_timeout); g_timeout_add(1000, retry_start_cmd_cb, lrm_state); return; } else { crm_trace("can't reschedule start, remaining timeout too small %d", cmd->remaining_timeout); } cmd->op_status = PCMK_LRM_OP_TIMEOUT; cmd->rc = PCMK_EXECRA_UNKNOWN_ERROR; } else { /* make sure we have a clean status section to start with */ remote_init_cib_status(lrm_state); cmd->rc = PCMK_EXECRA_OK; cmd->op_status = PCMK_LRM_OP_DONE; } crm_debug("remote lrmd connect event matched %s action. ", cmd->action); report_remote_ra_result(cmd); if (ra_data->cmds) { mainloop_set_trigger(ra_data->work); } ra_data->cur_cmd = NULL; free_cmd(cmd); return; } else if (op->type == lrmd_event_poke && safe_str_eq(cmd->action, "monitor")) { if (cmd->monitor_timeout_id) { g_source_remove(cmd->monitor_timeout_id); cmd->monitor_timeout_id = 0; } /* Only report success the first time, after that only worry about failures. * For this function, if we get the poke pack, it is always a success. Pokes * only fail if the send fails, or the response times out. */ if (!cmd->reported_success) { cmd->rc = PCMK_EXECRA_OK; cmd->op_status = PCMK_LRM_OP_DONE; report_remote_ra_result(cmd); cmd->reported_success = 1; } crm_debug("remote lrmd poke event matched %s action. ", cmd->action); /* success, keep rescheduling if interval is present. */ if (cmd->interval && (cmd->cancel == FALSE)) { ra_data->recurring_cmds = g_list_append(ra_data->recurring_cmds, cmd); cmd->interval_id = g_timeout_add(cmd->interval, recurring_helper, cmd); cmd = NULL; /* prevent free */ } if (ra_data->cmds) { mainloop_set_trigger(ra_data->work); } ra_data->cur_cmd = NULL; free_cmd(cmd); return; } crm_debug("Event did not match %s action", ra_data->cur_cmd->action); } static int handle_remote_ra_start(lrm_state_t * lrm_state, remote_ra_cmd_t * cmd, int timeout_ms) { const char *server = NULL; lrmd_key_value_t *tmp = NULL; int port = 0; int timeout_used = timeout_ms > MAX_START_TIMEOUT_MS ? MAX_START_TIMEOUT_MS : timeout_ms; for (tmp = cmd->params; tmp; tmp = tmp->next) { if (safe_str_eq(tmp->key, "addr") || safe_str_eq(tmp->key, "server")) { server = tmp->value; } if (safe_str_eq(tmp->key, "port")) { port = atoi(tmp->value); } } return lrm_state_remote_connect_async(lrm_state, server, port, timeout_used); } static gboolean handle_remote_ra_exec(gpointer user_data) { int rc = 0; lrm_state_t *lrm_state = user_data; remote_ra_data_t *ra_data = lrm_state->remote_ra_data; remote_ra_cmd_t *cmd; GList *first = NULL; if (ra_data->cur_cmd) { /* still waiting on previous cmd */ return TRUE; } while (ra_data->cmds) { first = ra_data->cmds; cmd = first->data; if (cmd->delay_id) { /* still waiting for start delay timer to trip */ return TRUE; } ra_data->cmds = g_list_remove_link(ra_data->cmds, first); g_list_free_1(first); if (!strcmp(cmd->action, "start") || !strcmp(cmd->action, "migrate_from")) { xmlNode *status = create_xml_node(NULL, XML_CIB_TAG_STATE); /* clear node status in cib */ crm_xml_add(status, XML_ATTR_ID, lrm_state->node_name); lrm_state_reset_tables(lrm_state); fsa_cib_delete(XML_CIB_TAG_STATUS, status, cib_quorum_override, rc, NULL); crm_info("Forced a remote LRM refresh before connection start: call=%d", rc); crm_log_xml_trace(status, "CLEAR LRM"); free_xml(status); rc = handle_remote_ra_start(lrm_state, cmd, cmd->timeout); if (rc == 0) { /* take care of this later when we get async connection result */ crm_debug("began remote lrmd connect, waiting for connect event."); ra_data->cur_cmd = cmd; return TRUE; } else { crm_debug("connect failed, not expecting to match any connection event later"); cmd->rc = PCMK_EXECRA_UNKNOWN_ERROR; cmd->op_status = PCMK_LRM_OP_ERROR; } report_remote_ra_result(cmd); } else if (!strcmp(cmd->action, "monitor")) { if (lrm_state_is_connected(lrm_state) == TRUE) { rc = lrm_state_poke_connection(lrm_state); if (rc < 0) { cmd->rc = PCMK_EXECRA_UNKNOWN_ERROR; cmd->op_status = PCMK_LRM_OP_ERROR; } } else { rc = -1; cmd->op_status = PCMK_LRM_OP_DONE; cmd->rc = PCMK_EXECRA_NOT_RUNNING; } if (rc == 0) { crm_debug("poked remote lrmd at node %s, waiting for async response.", cmd->rsc_id); ra_data->cur_cmd = cmd; cmd->monitor_timeout_id = g_timeout_add(cmd->timeout, monitor_timeout_cb, cmd); return TRUE; } report_remote_ra_result(cmd); } else if (!strcmp(cmd->action, "stop")) { lrm_state_disconnect(lrm_state); cmd->rc = PCMK_EXECRA_OK; cmd->op_status = PCMK_LRM_OP_DONE; if (ra_data->cmds) { g_list_free_full(ra_data->cmds, free_cmd); } if (ra_data->recurring_cmds) { g_list_free_full(ra_data->recurring_cmds, free_cmd); } ra_data->cmds = NULL; ra_data->recurring_cmds = NULL; report_remote_ra_result(cmd); } else if (!strcmp(cmd->action, "migrate_to")) { /* no-op. */ cmd->rc = PCMK_EXECRA_OK; cmd->op_status = PCMK_LRM_OP_DONE; report_remote_ra_result(cmd); } free_cmd(cmd); } return TRUE; } static void remote_ra_data_init(lrm_state_t * lrm_state) { remote_ra_data_t *ra_data = NULL; if (lrm_state->remote_ra_data) { return; } ra_data = calloc(1, sizeof(remote_ra_data_t)); ra_data->work = mainloop_add_trigger(G_PRIORITY_HIGH, handle_remote_ra_exec, lrm_state); lrm_state->remote_ra_data = ra_data; } void remote_ra_cleanup(lrm_state_t * lrm_state) { remote_ra_data_t *ra_data = lrm_state->remote_ra_data; if (!ra_data) { return; } if (ra_data->cmds) { g_list_free_full(ra_data->cmds, free_cmd); } if (ra_data->recurring_cmds) { g_list_free_full(ra_data->recurring_cmds, free_cmd); } mainloop_destroy_trigger(ra_data->work); free(ra_data); lrm_state->remote_ra_data = NULL; } gboolean is_remote_lrmd_ra(const char *agent, const char *provider, const char *id) { if (agent && provider && !strcmp(agent, REMOTE_LRMD_RA) && !strcmp(provider, "pacemaker")) { return TRUE; } if (id && lrm_state_find(id)) { return TRUE; } return FALSE; } lrmd_rsc_info_t * remote_ra_get_rsc_info(lrm_state_t * lrm_state, const char *rsc_id) { lrmd_rsc_info_t *info = NULL; if ((lrm_state_find(rsc_id))) { info = calloc(1, sizeof(lrmd_rsc_info_t)); info->id = strdup(rsc_id); info->type = strdup(REMOTE_LRMD_RA); info->class = strdup("ocf"); info->provider = strdup("pacemaker"); } return info; } static gboolean is_remote_ra_supported_action(const char *action) { if (!action) { return FALSE; } else if (strcmp(action, "start") && strcmp(action, "stop") && strcmp(action, "migrate_to") && strcmp(action, "migrate_from") && strcmp(action, "monitor")) { return FALSE; } return TRUE; } static GList * remove_cmd(GList * list, const char *action, int interval) { remote_ra_cmd_t *cmd = NULL; GListPtr gIter = NULL; for (gIter = list; gIter != NULL; gIter = gIter->next) { cmd = gIter->data; if (cmd->interval == interval && safe_str_eq(cmd->action, action)) { break; } cmd = NULL; } if (cmd) { list = g_list_remove(list, cmd); free_cmd(cmd); } return list; } int remote_ra_cancel(lrm_state_t * lrm_state, const char *rsc_id, const char *action, int interval) { lrm_state_t *connection_rsc = NULL; remote_ra_data_t *ra_data = NULL; connection_rsc = lrm_state_find(rsc_id); if (!connection_rsc || !connection_rsc->remote_ra_data) { return -EINVAL; } ra_data = connection_rsc->remote_ra_data; ra_data->cmds = remove_cmd(ra_data->cmds, action, interval); ra_data->recurring_cmds = remove_cmd(ra_data->recurring_cmds, action, interval); if (ra_data->cur_cmd && (ra_data->cur_cmd->interval == interval) && (safe_str_eq(ra_data->cur_cmd->action, action))) { ra_data->cur_cmd->cancel = TRUE; } return 0; } int remote_ra_exec(lrm_state_t * lrm_state, const char *rsc_id, const char *action, const char *userdata, int interval, /* ms */ int timeout, /* ms */ int start_delay, /* ms */ lrmd_key_value_t * params) { int rc = 0; lrm_state_t *connection_rsc = NULL; remote_ra_cmd_t *cmd = NULL; remote_ra_data_t *ra_data = NULL; if (is_remote_ra_supported_action(action) == FALSE) { rc = -EINVAL; goto exec_done; } connection_rsc = lrm_state_find(rsc_id); if (!connection_rsc) { rc = -EINVAL; goto exec_done; } remote_ra_data_init(connection_rsc); cmd = calloc(1, sizeof(remote_ra_cmd_t)); cmd->owner = strdup(lrm_state->node_name); cmd->rsc_id = strdup(rsc_id); cmd->action = strdup(action); cmd->userdata = strdup(userdata); cmd->interval = interval; cmd->timeout = timeout; cmd->start_delay = start_delay; cmd->params = params; cmd->start_time = time(NULL); cmd->call_id = generate_callid(); if (cmd->start_delay) { cmd->delay_id = g_timeout_add(cmd->start_delay, start_delay_helper, cmd); } ra_data = connection_rsc->remote_ra_data; ra_data->cmds = g_list_append(ra_data->cmds, cmd); mainloop_set_trigger(ra_data->work); return cmd->call_id; exec_done: lrmd_key_value_freeall(params); return rc; } pacemaker-master/crmd/subsystems.c000066400000000000000000000130501217637305600176220ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include /* for access */ #include /* for calls to open */ #include /* for calls to open */ #include /* for calls to open */ #include /* for getpwuid */ #include /* for initgroups */ #include #include #include /* for getrlimit */ #include #include #include /* for getrlimit */ #include #include #include #include #include #include #include #include #include static void crmd_child_exit(mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode) { /* struct crm_subsystem_s *the_subsystem = mainloop_child_userdata(p); */ const char *name = mainloop_child_name(p); if (signo) { crm_notice("Child process %s terminated with signal %d (pid=%d, core=%d)", name, signo, pid, core); } else { do_crm_log(exitcode == 0 ? LOG_INFO : LOG_ERR, "Child process %s exited (pid=%d, rc=%d)", name, pid, exitcode); } } gboolean stop_subsystem(struct crm_subsystem_s *the_subsystem, gboolean force_quit) { int quit_signal = SIGTERM; crm_trace("Stopping sub-system \"%s\"", the_subsystem->name); clear_bit(fsa_input_register, the_subsystem->flag_required); if (the_subsystem->pid <= 0) { crm_trace("Client %s not running", the_subsystem->name); return FALSE; } if (is_set(fsa_input_register, the_subsystem->flag_connected) == FALSE) { /* running but not yet connected */ crm_debug("Stopping %s before it had connected", the_subsystem->name); } /* if(force_quit && the_subsystem->sent_kill == FALSE) { quit_signal = SIGKILL; } else if(force_quit) { crm_debug("Already sent -KILL to %s: [%d]", the_subsystem->name, the_subsystem->pid); } */ errno = 0; if (kill(the_subsystem->pid, quit_signal) == 0) { crm_info("Sent -TERM to %s: [%d]", the_subsystem->name, the_subsystem->pid); the_subsystem->sent_kill = TRUE; } else { crm_perror(LOG_ERR, "Sent -TERM to %s: [%d]", the_subsystem->name, the_subsystem->pid); } return TRUE; } gboolean start_subsystem(struct crm_subsystem_s * the_subsystem) { pid_t pid; struct stat buf; int s_res; unsigned int j; struct rlimit oflimits; const char *devnull = "/dev/null"; crm_info("Starting sub-system \"%s\"", the_subsystem->name); if (the_subsystem->pid > 0) { crm_warn("Client %s already running as pid %d", the_subsystem->name, (int)the_subsystem->pid); /* starting a started X is not an error */ return TRUE; } /* * We want to ensure that the exec will succeed before * we bother forking. */ if (access(the_subsystem->path, F_OK | X_OK) != 0) { crm_perror(LOG_ERR, "Cannot (access) exec %s", the_subsystem->path); return FALSE; } s_res = stat(the_subsystem->command, &buf); if (s_res != 0) { crm_perror(LOG_ERR, "Cannot (stat) exec %s", the_subsystem->command); return FALSE; } /* We need to fork so we can make child procs not real time */ switch (pid = fork()) { case -1: crm_err("Cannot fork."); return FALSE; default: /* Parent */ mainloop_child_add(pid, 0, the_subsystem->name, the_subsystem, crmd_child_exit); crm_trace("Client %s is has pid: %d", the_subsystem->name, pid); the_subsystem->pid = pid; return TRUE; case 0: /* Child */ /* create a new process group to avoid * being interupted by heartbeat */ setpgid(0, 0); break; } crm_debug("Executing \"%s (%s)\" (pid %d)", the_subsystem->command, the_subsystem->name, (int)getpid()); /* A precautionary measure */ getrlimit(RLIMIT_NOFILE, &oflimits); for (j = 0; j < oflimits.rlim_cur; ++j) { close(j); } (void)open(devnull, O_RDONLY); /* Stdin: fd 0 */ (void)open(devnull, O_WRONLY); /* Stdout: fd 1 */ (void)open(devnull, O_WRONLY); /* Stderr: fd 2 */ { char *opts[] = { strdup(the_subsystem->command), NULL }; /* coverity[toctou] The call to stat() is a fail-fast, not a race */ (void)execvp(the_subsystem->command, opts); } /* Should not happen */ crm_perror(LOG_ERR, "FATAL: Cannot exec %s", the_subsystem->command); return crm_exit(DAEMON_RESPAWN_STOP); /* Suppress respawning */ } pacemaker-master/crmd/te_actions.c000066400000000000000000000421641217637305600175410ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include char *te_uuid = NULL; void send_rsc_command(crm_action_t * action); static void te_start_action_timer(crm_graph_t * graph, crm_action_t * action) { action->timer = calloc(1, sizeof(crm_action_timer_t)); action->timer->timeout = action->timeout; action->timer->reason = timeout_action; action->timer->action = action; action->timer->source_id = g_timeout_add(action->timer->timeout + graph->network_delay, action_timer_callback, (void *)action->timer); CRM_ASSERT(action->timer->source_id != 0); } static gboolean te_pseudo_action(crm_graph_t * graph, crm_action_t * pseudo) { crm_debug("Pseudo action %d fired and confirmed", pseudo->id); pseudo->confirmed = TRUE; update_graph(graph, pseudo); trigger_graph(); return TRUE; } void send_stonith_update(crm_action_t * action, const char *target, const char *uuid) { int rc = pcmk_ok; crm_node_t *peer = NULL; /* zero out the node-status & remove all LRM status info */ xmlNode *node_state = NULL; CRM_CHECK(target != NULL, return); CRM_CHECK(uuid != NULL, return); /* Make sure the membership and join caches are accurate */ peer = crm_get_peer(0, target); if (peer->uuid == NULL) { crm_info("Recording uuid '%s' for node '%s'", uuid, target); peer->uuid = strdup(uuid); } crm_update_peer_proc(__FUNCTION__, peer, crm_proc_none, NULL); crm_update_peer_state(__FUNCTION__, peer, CRM_NODE_LOST, 0); crm_update_peer_expected(__FUNCTION__, peer, CRMD_JOINSTATE_DOWN); crm_update_peer_join(__FUNCTION__, peer, crm_join_none); node_state = do_update_node_cib(peer, node_update_cluster | node_update_peer | node_update_join | node_update_expected, NULL, __FUNCTION__); /* Force our known ID */ crm_xml_add(node_state, XML_ATTR_UUID, uuid); rc = fsa_cib_conn->cmds->update(fsa_cib_conn, XML_CIB_TAG_STATUS, node_state, cib_quorum_override | cib_scope_local | cib_can_create); /* Delay processing the trigger until the update completes */ crm_debug("Sending fencing update %d for %s", rc, target); fsa_register_cib_callback(rc, FALSE, strdup(target), cib_fencing_updated); /* Make sure it sticks */ /* fsa_cib_conn->cmds->bump_epoch(fsa_cib_conn, cib_quorum_override|cib_scope_local); */ erase_status_tag(target, XML_CIB_TAG_LRM, cib_scope_local); erase_status_tag(target, XML_TAG_TRANSIENT_NODEATTRS, cib_scope_local); free_xml(node_state); return; } static gboolean te_fence_node(crm_graph_t * graph, crm_action_t * action) { int rc = 0; const char *id = NULL; const char *uuid = NULL; const char *target = NULL; const char *type = NULL; gboolean invalid_action = FALSE; enum stonith_call_options options = st_opt_none; id = ID(action->xml); target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); uuid = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); type = crm_meta_value(action->params, "stonith_action"); CRM_CHECK(id != NULL, invalid_action = TRUE); CRM_CHECK(uuid != NULL, invalid_action = TRUE); CRM_CHECK(type != NULL, invalid_action = TRUE); CRM_CHECK(target != NULL, invalid_action = TRUE); if (invalid_action) { crm_log_xml_warn(action->xml, "BadAction"); return FALSE; } crm_notice("Executing %s fencing operation (%s) on %s (timeout=%d)", type, id, target, transition_graph->stonith_timeout); /* Passing NULL means block until we can connect... */ te_connect_stonith(NULL); if (crmd_join_phase_count(crm_join_confirmed) == 1) { options |= st_opt_allow_suicide; } rc = stonith_api->cmds->fence(stonith_api, options, target, type, transition_graph->stonith_timeout / 1000, 0); stonith_api->cmds->register_callback(stonith_api, rc, transition_graph->stonith_timeout / 1000, st_opt_timeout_updates, generate_transition_key(transition_graph->id, action->id, 0, te_uuid), "tengine_stonith_callback", tengine_stonith_callback); return TRUE; } static int get_target_rc(crm_action_t * action) { const char *target_rc_s = crm_meta_value(action->params, XML_ATTR_TE_TARGET_RC); if (target_rc_s != NULL) { return crm_parse_int(target_rc_s, "0"); } return 0; } static gboolean te_crm_command(crm_graph_t * graph, crm_action_t * action) { char *counter = NULL; xmlNode *cmd = NULL; gboolean is_local = FALSE; const char *id = NULL; const char *task = NULL; const char *value = NULL; const char *on_node = NULL; const char *router_node = NULL; gboolean rc = TRUE; gboolean no_wait = FALSE; id = ID(action->xml); task = crm_element_value(action->xml, XML_LRM_ATTR_TASK); on_node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); router_node = crm_element_value(action->xml, XML_LRM_ATTR_ROUTER_NODE); if (!router_node) { router_node = on_node; } CRM_CHECK(on_node != NULL && strlen(on_node) != 0, crm_err("Corrupted command (id=%s) %s: no node", crm_str(id), crm_str(task)); return FALSE); crm_info("Executing crm-event (%s): %s on %s%s%s", crm_str(id), crm_str(task), on_node, is_local ? " (local)" : "", no_wait ? " - no waiting" : ""); if (safe_str_eq(router_node, fsa_our_uname)) { is_local = TRUE; } value = crm_meta_value(action->params, XML_ATTR_TE_NOWAIT); if (crm_is_true(value)) { no_wait = TRUE; } if (is_local && safe_str_eq(task, CRM_OP_SHUTDOWN)) { /* defer until everything else completes */ crm_info("crm-event (%s) is a local shutdown", crm_str(id)); graph->completion_action = tg_shutdown; graph->abort_reason = "local shutdown"; action->confirmed = TRUE; update_graph(graph, action); trigger_graph(); return TRUE; } else if (safe_str_eq(task, CRM_OP_SHUTDOWN)) { crm_node_t *peer = crm_get_peer(0, router_node); crm_update_peer_expected(__FUNCTION__, peer, CRMD_JOINSTATE_DOWN); } cmd = create_request(task, action->xml, router_node, CRM_SYSTEM_CRMD, CRM_SYSTEM_TENGINE, NULL); counter = generate_transition_key(transition_graph->id, action->id, get_target_rc(action), te_uuid); crm_xml_add(cmd, XML_ATTR_TRANSITION_KEY, counter); rc = send_cluster_message(crm_get_peer(0, router_node), crm_msg_crmd, cmd, TRUE); free(counter); free_xml(cmd); if (rc == FALSE) { crm_err("Action %d failed: send", action->id); return FALSE; } else if (no_wait) { action->confirmed = TRUE; update_graph(graph, action); trigger_graph(); } else { if (action->timeout <= 0) { crm_err("Action %d: %s on %s had an invalid timeout (%dms). Using %dms instead", action->id, task, on_node, action->timeout, graph->network_delay); action->timeout = graph->network_delay; } te_start_action_timer(graph, action); } return TRUE; } gboolean cib_action_update(crm_action_t * action, int status, int op_rc) { lrmd_event_data_t *op = NULL; xmlNode *state = NULL; xmlNode *rsc = NULL; xmlNode *xml_op = NULL; xmlNode *action_rsc = NULL; int rc = pcmk_ok; const char *name = NULL; const char *value = NULL; const char *rsc_id = NULL; const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK); const char *target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); const char *task_uuid = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY); const char *target_uuid = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); int call_options = cib_quorum_override | cib_scope_local; int target_rc = get_target_rc(action); if (status == PCMK_LRM_OP_PENDING) { crm_debug("%s %d: Recording pending operation %s on %s", crm_element_name(action->xml), action->id, task_uuid, target); } else { crm_warn("%s %d: %s on %s timed out", crm_element_name(action->xml), action->id, task_uuid, target); } action_rsc = find_xml_node(action->xml, XML_CIB_TAG_RESOURCE, TRUE); if (action_rsc == NULL) { return FALSE; } rsc_id = ID(action_rsc); CRM_CHECK(rsc_id != NULL, crm_log_xml_err(action->xml, "Bad:action"); return FALSE); /* update the CIB */ state = create_xml_node(NULL, XML_CIB_TAG_STATE); crm_xml_add(state, XML_ATTR_UUID, target_uuid); crm_xml_add(state, XML_ATTR_UNAME, target); rsc = create_xml_node(state, XML_CIB_TAG_LRM); crm_xml_add(rsc, XML_ATTR_ID, target_uuid); rsc = create_xml_node(rsc, XML_LRM_TAG_RESOURCES); rsc = create_xml_node(rsc, XML_LRM_TAG_RESOURCE); crm_xml_add(rsc, XML_ATTR_ID, rsc_id); name = XML_ATTR_TYPE; value = crm_element_value(action_rsc, name); crm_xml_add(rsc, name, value); name = XML_AGENT_ATTR_CLASS; value = crm_element_value(action_rsc, name); crm_xml_add(rsc, name, value); name = XML_AGENT_ATTR_PROVIDER; value = crm_element_value(action_rsc, name); crm_xml_add(rsc, name, value); op = convert_graph_action(NULL, action, status, op_rc); op->call_id = -1; op->user_data = generate_transition_key(transition_graph->id, action->id, target_rc, te_uuid); xml_op = create_operation_update(rsc, op, CRM_FEATURE_SET, target_rc, __FUNCTION__, LOG_INFO); lrmd_free_event(op); crm_trace("Updating CIB with \"%s\" (%s): %s %s on %s", status < 0 ? "new action" : XML_ATTR_TIMEOUT, crm_element_name(action->xml), crm_str(task), rsc_id, target); crm_log_xml_trace(xml_op, "Op"); rc = fsa_cib_conn->cmds->update(fsa_cib_conn, XML_CIB_TAG_STATUS, state, call_options); crm_trace("Updating CIB with %s action %d: %s on %s (call_id=%d)", services_lrm_status_str(status), action->id, task_uuid, target, rc); fsa_register_cib_callback(rc, FALSE, NULL, cib_action_updated); free_xml(state); action->sent_update = TRUE; if (rc < pcmk_ok) { return FALSE; } return TRUE; } static gboolean te_rsc_command(crm_graph_t * graph, crm_action_t * action) { /* never overwrite stop actions in the CIB with * anything other than completed results * * Writing pending stops makes it look like the * resource is running again */ xmlNode *cmd = NULL; xmlNode *rsc_op = NULL; gboolean rc = TRUE; gboolean no_wait = FALSE; gboolean is_local = FALSE; char *counter = NULL; const char *task = NULL; const char *value = NULL; const char *on_node = NULL; const char *router_node = NULL; const char *task_uuid = NULL; CRM_ASSERT(action != NULL); CRM_ASSERT(action->xml != NULL); action->executed = FALSE; on_node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); CRM_CHECK(on_node != NULL && strlen(on_node) != 0, crm_err("Corrupted command(id=%s) %s: no node", ID(action->xml), crm_str(task)); return FALSE); rsc_op = action->xml; task = crm_element_value(rsc_op, XML_LRM_ATTR_TASK); task_uuid = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY); router_node = crm_element_value(rsc_op, XML_LRM_ATTR_ROUTER_NODE); if (!router_node) { router_node = on_node; } counter = generate_transition_key(transition_graph->id, action->id, get_target_rc(action), te_uuid); crm_xml_add(rsc_op, XML_ATTR_TRANSITION_KEY, counter); if (safe_str_eq(router_node, fsa_our_uname)) { is_local = TRUE; } value = crm_meta_value(action->params, XML_ATTR_TE_NOWAIT); if (crm_is_true(value)) { no_wait = TRUE; } crm_notice("Initiating action %d: %s %s on %s%s%s", action->id, task, task_uuid, on_node, is_local ? " (local)" : "", no_wait ? " - no waiting" : ""); cmd = create_request(CRM_OP_INVOKE_LRM, rsc_op, router_node, CRM_SYSTEM_LRMD, CRM_SYSTEM_TENGINE, NULL); if (is_local) { /* shortcut local resource commands */ ha_msg_input_t data = { .msg = cmd, .xml = rsc_op, }; fsa_data_t msg = { .id = 0, .data = &data, .data_type = fsa_dt_ha_msg, .fsa_input = I_NULL, .fsa_cause = C_FSA_INTERNAL, .actions = A_LRM_INVOKE, .origin = __FUNCTION__, }; do_lrm_invoke(A_LRM_INVOKE, C_FSA_INTERNAL, fsa_state, I_NULL, &msg); } else { rc = send_cluster_message(crm_get_peer(0, router_node), crm_msg_lrmd, cmd, TRUE); } free(counter); free_xml(cmd); action->executed = TRUE; if (rc == FALSE) { crm_err("Action %d failed: send", action->id); return FALSE; } else if (no_wait) { crm_info("Action %d confirmed - no wait", action->id); action->confirmed = TRUE; update_graph(transition_graph, action); trigger_graph(); } else { if (action->timeout <= 0) { crm_err("Action %d: %s %s on %s had an invalid timeout (%dms). Using %dms instead", action->id, task, task_uuid, on_node, action->timeout, graph->network_delay); action->timeout = graph->network_delay; } te_start_action_timer(graph, action); } value = crm_meta_value(action->params, XML_OP_ATTR_PENDING); if (crm_is_true(value) && safe_str_neq(task, CRMD_ACTION_CANCEL) && safe_str_neq(task, CRMD_ACTION_DELETE)) { /* write a "pending" entry to the CIB, inhibit notification */ crm_debug("Recording pending op %s in the CIB", task_uuid); cib_action_update(action, PCMK_LRM_OP_PENDING, PCMK_EXECRA_STATUS_UNKNOWN); } return TRUE; } crm_graph_functions_t te_graph_fns = { te_pseudo_action, te_rsc_command, te_crm_command, te_fence_node }; void notify_crmd(crm_graph_t * graph) { const char *type = "unknown"; enum crmd_fsa_input event = I_NULL; crm_debug("Processing transition completion in state %s", fsa_state2string(fsa_state)); CRM_CHECK(graph->complete, graph->complete = TRUE); switch (graph->completion_action) { case tg_stop: type = "stop"; /* fall through */ case tg_done: type = "done"; if (fsa_state == S_TRANSITION_ENGINE) { event = I_TE_SUCCESS; } break; case tg_restart: type = "restart"; if (fsa_state == S_TRANSITION_ENGINE) { if (too_many_st_failures() == FALSE) { if (transition_timer->period_ms > 0) { crm_timer_stop(transition_timer); crm_timer_start(transition_timer); } else { event = I_PE_CALC; } } else { event = I_TE_SUCCESS; } } else if (fsa_state == S_POLICY_ENGINE) { register_fsa_action(A_PE_INVOKE); } break; case tg_shutdown: type = "shutdown"; if (is_set(fsa_input_register, R_SHUTDOWN)) { event = I_STOP; } else { crm_err("We didn't ask to be shut down, yet our" " PE is telling us too."); event = I_TERMINATE; } } crm_debug("Transition %d status: %s - %s", graph->id, type, crm_str(graph->abort_reason)); graph->abort_reason = NULL; graph->completion_action = tg_done; clear_bit(fsa_input_register, R_IN_TRANSITION); if (event != I_NULL) { register_fsa_input(C_FSA_INTERNAL, event, NULL); } else if (fsa_source) { mainloop_set_trigger(fsa_source); } } pacemaker-master/crmd/te_callbacks.c000066400000000000000000000422241217637305600200150ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include /* For ONLINESTATUS etc */ void te_update_confirm(const char *event, xmlNode * msg); extern char *te_uuid; gboolean shuttingdown = FALSE; crm_graph_t *transition_graph; crm_trigger_t *transition_trigger = NULL; /* #define rsc_op_template "//"XML_TAG_DIFF_ADDED"//"XML_TAG_CIB"//"XML_CIB_TAG_STATE"[@uname='%s']"//"XML_LRM_TAG_RSC_OP"[@id='%s]" */ #define rsc_op_template "//"XML_TAG_DIFF_ADDED"//"XML_TAG_CIB"//"XML_LRM_TAG_RSC_OP"[@id='%s']" static const char * get_node_id(xmlNode * rsc_op) { xmlNode *node = rsc_op; while (node != NULL && safe_str_neq(XML_CIB_TAG_STATE, TYPE(node))) { node = node->parent; } CRM_CHECK(node != NULL, return NULL); return ID(node); } static void process_resource_updates(xmlXPathObject * xpathObj) { /* */ int lpc = 0, max = numXpathResults(xpathObj); for (lpc = 0; lpc < max; lpc++) { xmlNode *rsc_op = getXpathResult(xpathObj, lpc); const char *node = get_node_id(rsc_op); process_graph_event(rsc_op, node); } } void te_update_diff(const char *event, xmlNode * msg) { int lpc, max; int rc = -1; const char *op = NULL; xmlNode *diff = NULL; xmlXPathObject *xpathObj = NULL; int diff_add_updates = 0; int diff_add_epoch = 0; int diff_add_admin_epoch = 0; int diff_del_updates = 0; int diff_del_epoch = 0; int diff_del_admin_epoch = 0; CRM_CHECK(msg != NULL, return); crm_element_value_int(msg, F_CIB_RC, &rc); if (transition_graph == NULL) { crm_trace("No graph"); return; } else if (rc < pcmk_ok) { crm_trace("Filter rc=%d (%s)", rc, pcmk_strerror(rc)); return; } else if (transition_graph->complete == TRUE && fsa_state != S_IDLE && fsa_state != S_TRANSITION_ENGINE && fsa_state != S_POLICY_ENGINE) { crm_trace("Filter state=%s, complete=%d", fsa_state2string(fsa_state), transition_graph->complete); return; } op = crm_element_value(msg, F_CIB_OPERATION); diff = get_message_xml(msg, F_CIB_UPDATE_RESULT); cib_diff_version_details(diff, &diff_add_admin_epoch, &diff_add_epoch, &diff_add_updates, &diff_del_admin_epoch, &diff_del_epoch, &diff_del_updates); crm_debug("Processing diff (%s): %d.%d.%d -> %d.%d.%d (%s)", op, diff_del_admin_epoch, diff_del_epoch, diff_del_updates, diff_add_admin_epoch, diff_add_epoch, diff_add_updates, fsa_state2string(fsa_state)); log_cib_diff(LOG_DEBUG_2, diff, __FUNCTION__); if (cib_config_changed(NULL, NULL, &diff)) { abort_transition(INFINITY, tg_restart, "Non-status change", diff); goto bail; /* configuration changed */ } /* Tickets Attributes - Added/Updated */ xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_CIB_TAG_TICKETS); if (numXpathResults(xpathObj) > 0) { xmlNode *aborted = getXpathResult(xpathObj, 0); abort_transition(INFINITY, tg_restart, "Ticket attribute: update", aborted); goto bail; } freeXpathObject(xpathObj); /* Tickets Attributes - Removed */ xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_CIB_TAG_TICKETS); if (numXpathResults(xpathObj) > 0) { xmlNode *aborted = getXpathResult(xpathObj, 0); abort_transition(INFINITY, tg_restart, "Ticket attribute: removal", aborted); goto bail; } freeXpathObject(xpathObj); /* Transient Attributes - Added/Updated */ xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_TAG_TRANSIENT_NODEATTRS "//" XML_CIB_TAG_NVPAIR); max = numXpathResults(xpathObj); for (lpc = 0; lpc < max; lpc++) { xmlNode *attr = getXpathResult(xpathObj, lpc); const char *name = crm_element_value(attr, XML_NVPAIR_ATTR_NAME); const char *value = NULL; if (safe_str_eq(CRM_OP_PROBED, name)) { value = crm_element_value(attr, XML_NVPAIR_ATTR_VALUE); } if (crm_is_true(value) == FALSE) { abort_transition(INFINITY, tg_restart, "Transient attribute: update", attr); crm_log_xml_trace(attr, "Abort"); goto bail; } } freeXpathObject(xpathObj); /* Transient Attributes - Removed */ xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_REMOVED "//" XML_TAG_TRANSIENT_NODEATTRS); if (numXpathResults(xpathObj) > 0) { xmlNode *aborted = getXpathResult(xpathObj, 0); abort_transition(INFINITY, tg_restart, "Transient attribute: removal", aborted); goto bail; } freeXpathObject(xpathObj); /* * Check for and fast-track the processing of LRM refreshes * In large clusters this can result in _huge_ speedups * * Unfortunately we can only do so when there are no pending actions * Otherwise we could miss updates we're waiting for and stall * */ xpathObj = NULL; if (transition_graph->pending == 0) { xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_LRM_TAG_RESOURCE); } max = numXpathResults(xpathObj); if (max > 1) { /* Updates by, or in response to, TE actions will never contain updates * for more than one resource at a time */ crm_debug("Detected LRM refresh - %d resources updated: Skipping all resource events", max); crm_log_xml_trace(diff, "lrm-refresh"); abort_transition(INFINITY, tg_restart, "LRM Refresh", NULL); goto bail; } freeXpathObject(xpathObj); /* Process operation updates */ xpathObj = xpath_search(diff, "//" F_CIB_UPDATE_RESULT "//" XML_TAG_DIFF_ADDED "//" XML_LRM_TAG_RSC_OP); if (numXpathResults(xpathObj)) { process_resource_updates(xpathObj); } freeXpathObject(xpathObj); /* Detect deleted (as opposed to replaced or added) actions - eg. crm_resource -C */ xpathObj = xpath_search(diff, "//" XML_TAG_DIFF_REMOVED "//" XML_LRM_TAG_RSC_OP); max = numXpathResults(xpathObj); for (lpc = 0; lpc < max; lpc++) { int path_max = 0; const char *op_id = NULL; char *rsc_op_xpath = NULL; xmlXPathObject *op_match = NULL; xmlNode *match = getXpathResult(xpathObj, lpc); CRM_CHECK(match != NULL, continue); op_id = ID(match); path_max = strlen(rsc_op_template) + strlen(op_id) + 1; rsc_op_xpath = calloc(1, path_max); snprintf(rsc_op_xpath, path_max, rsc_op_template, op_id); op_match = xpath_search(diff, rsc_op_xpath); if (numXpathResults(op_match) == 0) { /* Prevent false positives by matching cancelations too */ const char *node = get_node_id(match); crm_action_t *cancelled = get_cancel_action(op_id, node); if (cancelled == NULL) { crm_debug("No match for deleted action %s (%s on %s)", rsc_op_xpath, op_id, node); abort_transition(INFINITY, tg_restart, "Resource op removal", match); freeXpathObject(op_match); free(rsc_op_xpath); goto bail; } else { crm_debug("Deleted lrm_rsc_op %s on %s was for graph event %d", op_id, node, cancelled->id); } } freeXpathObject(op_match); free(rsc_op_xpath); } bail: freeXpathObject(xpathObj); } gboolean process_te_message(xmlNode * msg, xmlNode * xml_data) { const char *from = crm_element_value(msg, F_ORIG); const char *sys_to = crm_element_value(msg, F_CRM_SYS_TO); const char *sys_from = crm_element_value(msg, F_CRM_SYS_FROM); const char *ref = crm_element_value(msg, F_CRM_REFERENCE); const char *op = crm_element_value(msg, F_CRM_TASK); const char *type = crm_element_value(msg, F_CRM_MSG_TYPE); crm_trace("Processing %s (%s) message", op, ref); crm_log_xml_trace(msg, "ipc"); if (op == NULL) { /* error */ } else if (sys_to == NULL || strcasecmp(sys_to, CRM_SYSTEM_TENGINE) != 0) { crm_trace("Bad sys-to %s", crm_str(sys_to)); return FALSE; } else if (safe_str_eq(op, CRM_OP_INVOKE_LRM) && safe_str_eq(sys_from, CRM_SYSTEM_LRMD) /* && safe_str_eq(type, XML_ATTR_RESPONSE) */ ) { xmlXPathObject *xpathObj = NULL; crm_log_xml_trace(msg, "Processing (N)ACK"); crm_debug("Processing (N)ACK %s from %s", crm_element_value(msg, F_CRM_REFERENCE), from); xpathObj = xpath_search(xml_data, "//" XML_LRM_TAG_RSC_OP); if (numXpathResults(xpathObj)) { process_resource_updates(xpathObj); freeXpathObject(xpathObj); } else { crm_log_xml_err(msg, "Invalid (N)ACK"); freeXpathObject(xpathObj); return FALSE; } } else { crm_err("Unknown command: %s::%s from %s", type, op, sys_from); } crm_trace("finished processing message"); return TRUE; } GHashTable *stonith_failures = NULL; struct st_fail_rec { int count; int last_rc; }; gboolean too_many_st_failures(void) { GHashTableIter iter; const char *key = NULL; struct st_fail_rec *value = NULL; if (stonith_failures == NULL) { return FALSE; } g_hash_table_iter_init(&iter, stonith_failures); while (g_hash_table_iter_next(&iter, (gpointer *) & key, (gpointer *) & value)) { if (value->count > 10) { crm_notice("Too many failures to fence %s (%d), giving up", key, value->count); return TRUE; } else if (value->last_rc == -ENODEV) { crm_notice("No devices found in cluster to fence %s, giving up", key); return TRUE; } } return FALSE; } void st_fail_count_reset(const char *target) { struct st_fail_rec *rec = NULL; if (stonith_failures) { rec = g_hash_table_lookup(stonith_failures, target); } if (rec) { rec->count = 0; rec->last_rc = 0; } } static void st_fail_count_increment(const char *target, int rc) { struct st_fail_rec *rec = NULL; if (stonith_failures == NULL) { stonith_failures = g_hash_table_new_full(crm_str_hash, g_str_equal, g_hash_destroy_str, free); } rec = g_hash_table_lookup(stonith_failures, target); if (rec) { rec->count++; } else { rec = malloc(sizeof(struct st_fail_rec)); if(rec == NULL) { return; } rec->count = 1; g_hash_table_insert(stonith_failures, strdup(target), rec); } rec->last_rc = rc; } void tengine_stonith_callback(stonith_t * stonith, stonith_callback_data_t * data) { char *uuid = NULL; int target_rc = -1; int stonith_id = -1; int transition_id = -1; crm_action_t *action = NULL; int call_id = data->call_id; int rc = data->rc; char *userdata = data->userdata; CRM_CHECK(userdata != NULL, return); crm_notice("Stonith operation %d/%s: %s (%d)", call_id, (char *)userdata, pcmk_strerror(rc), rc); if (AM_I_DC == FALSE) { return; } /* crm_info("call=%d, optype=%d, node_name=%s, result=%d, node_list=%s, action=%s", */ /* op->call_id, op->optype, op->node_name, op->op_result, */ /* (char *)op->node_list, op->private_data); */ /* filter out old STONITH actions */ CRM_CHECK(decode_transition_key(userdata, &uuid, &transition_id, &stonith_id, &target_rc), crm_err("Invalid event detected"); goto bail; ); if (transition_graph->complete || stonith_id < 0 || safe_str_neq(uuid, te_uuid) || transition_graph->id != transition_id) { crm_info("Ignoring STONITH action initiated outside of the current transition"); goto bail; } /* this will mark the event complete if a match is found */ action = get_action(stonith_id, FALSE); if (action == NULL) { crm_err("Stonith action not matched"); goto bail; } stop_te_timer(action->timer); if (rc == pcmk_ok) { const char *target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); const char *uuid = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); crm_debug("Stonith operation %d for %s passed", call_id, target); if (action->confirmed == FALSE) { action->confirmed = TRUE; if (action->sent_update == FALSE) { send_stonith_update(action, target, uuid); } } st_fail_count_reset(target); } else { const char *target = crm_element_value_const(action->xml, XML_LRM_ATTR_TARGET); const char *allow_fail = crm_meta_value(action->params, XML_ATTR_TE_ALLOWFAIL); action->failed = TRUE; if (crm_is_true(allow_fail) == FALSE) { crm_notice("Stonith operation %d for %s failed (%s): aborting transition.", call_id, target, pcmk_strerror(rc)); abort_transition(INFINITY, tg_restart, "Stonith failed", NULL); } st_fail_count_increment(target, rc); } update_graph(transition_graph, action); trigger_graph(); bail: free(userdata); free(uuid); return; } void cib_fencing_updated(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { if (rc < pcmk_ok) { crm_err("Fencing update %d for %s: failed - %s (%d)", call_id, (char *)user_data, pcmk_strerror(rc), rc); crm_log_xml_warn(msg, "Failed update"); abort_transition(INFINITY, tg_shutdown, "CIB update failed", NULL); } else { crm_info("Fencing update %d for %s: complete", call_id, (char *)user_data); } free(user_data); } void cib_action_updated(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { if (rc < pcmk_ok) { crm_err("Update %d FAILED: %s", call_id, pcmk_strerror(rc)); } } gboolean action_timer_callback(gpointer data) { crm_action_timer_t *timer = NULL; CRM_CHECK(data != NULL, return FALSE); timer = (crm_action_timer_t *) data; stop_te_timer(timer); crm_warn("Timer popped (timeout=%d, abort_level=%d, complete=%s)", timer->timeout, transition_graph->abort_priority, transition_graph->complete ? "true" : "false"); CRM_CHECK(timer->action != NULL, return FALSE); if (transition_graph->complete) { crm_warn("Ignoring timeout while not in transition"); } else if (timer->reason == timeout_action_warn) { print_action(LOG_WARNING, "Action missed its timeout: ", timer->action); /* Don't check the FSA state * * We might also be in S_INTEGRATION or some other state waiting for this * action so we can close the transition and continue */ } else { /* fail the action */ gboolean send_update = TRUE; const char *task = crm_element_value(timer->action->xml, XML_LRM_ATTR_TASK); print_action(LOG_ERR, "Aborting transition, action lost: ", timer->action); timer->action->failed = TRUE; timer->action->confirmed = TRUE; abort_transition(INFINITY, tg_restart, "Action lost", NULL); update_graph(transition_graph, timer->action); trigger_graph(); if (timer->action->type != action_type_rsc) { send_update = FALSE; } else if (safe_str_eq(task, RSC_CANCEL)) { /* we dont need to update the CIB with these */ send_update = FALSE; } if (send_update) { /* cib_action_update(timer->action, PCMK_LRM_OP_PENDING, PCMK_EXECRA_STATUS_UNKNOWN); */ cib_action_update(timer->action, PCMK_LRM_OP_TIMEOUT, PCMK_EXECRA_UNKNOWN_ERROR); } } return FALSE; } pacemaker-master/crmd/te_callbacks.h000066400000000000000000000026341217637305600200230ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef TE_CALLBACKS__H # define TE_CALLBACKS__H extern void cib_fencing_updated(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); extern void cib_action_updated(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data); extern gboolean global_timer_callback(gpointer data); extern gboolean action_timer_callback(gpointer data); extern gboolean te_graph_trigger(gpointer user_data); extern void te_update_diff(const char *event, xmlNode * msg); extern void tengine_stonith_callback(stonith_t * stonith, stonith_callback_data_t * data); #endif pacemaker-master/crmd/te_events.c000066400000000000000000000404021217637305600173760ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include char *failed_stop_offset = NULL; char *failed_start_offset = NULL; int match_graph_event(int action_id, xmlNode * event, const char *event_node, int op_status, int op_rc, int target_rc); gboolean fail_incompletable_actions(crm_graph_t * graph, const char *down_node) { const char *target = NULL; xmlNode *last_action = NULL; GListPtr gIter = NULL; GListPtr gIter2 = NULL; if (graph == NULL || graph->complete) { return FALSE; } gIter = graph->synapses; for (; gIter != NULL; gIter = gIter->next) { synapse_t *synapse = (synapse_t *) gIter->data; if (synapse->confirmed) { continue; } gIter2 = synapse->actions; for (; gIter2 != NULL; gIter2 = gIter2->next) { crm_action_t *action = (crm_action_t *) gIter2->data; if (action->type == action_type_pseudo || action->confirmed) { continue; } else if (action->type == action_type_crm) { const char *task = crm_element_value(action->xml, XML_LRM_ATTR_TASK); if (safe_str_eq(task, CRM_OP_FENCE)) { continue; } } target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); if (safe_str_eq(target, down_node)) { action->failed = TRUE; synapse->failed = TRUE; last_action = action->xml; stop_te_timer(action->timer); update_graph(graph, action); if (synapse->executed) { crm_notice("Action %d (%s) was pending on %s (offline)", action->id, ID(action->xml), down_node); } else { crm_notice("Action %d (%s) is scheduled for %s (offline)", action->id, ID(action->xml), down_node); } } } } if (last_action != NULL) { crm_warn("Node %s shutdown resulted in un-runnable actions", down_node); abort_transition(INFINITY, tg_restart, "Node failure", last_action); return TRUE; } return FALSE; } static const char * get_uname_from_event(xmlNode * event) { xmlNode *node = event; while (node != NULL && safe_str_neq(XML_CIB_TAG_STATE, TYPE(node))) { node = node->parent; } CRM_CHECK(node != NULL, return NULL); return crm_element_value(node, XML_ATTR_UNAME); } static gboolean get_is_remote_from_event(xmlNode * event) { xmlNode *node = event; while (node != NULL && safe_str_neq(XML_CIB_TAG_STATE, TYPE(node))) { node = node->parent; } CRM_CHECK(node != NULL, return FALSE); return crm_element_value(node, XML_NODE_IS_REMOTE) ? TRUE : FALSE; } static gboolean update_failcount(xmlNode * event, const char *event_node_uuid, int rc, int target_rc, gboolean do_update) { int interval = 0; char *task = NULL; char *rsc_id = NULL; char *attr_name = NULL; const char *value = NULL; const char *id = crm_element_value(event, XML_LRM_ATTR_TASK_KEY); const char *on_uname = get_uname_from_event(event); const char *origin = crm_element_value(event, XML_ATTR_ORIGIN); if (rc == 99) { /* this is an internal code for "we're busy, try again" */ return FALSE; } else if (rc == target_rc) { return FALSE; } if (safe_str_eq(origin, "build_active_RAs")) { crm_debug("No update for %s (rc=%d) on %s: Old failure from lrm status refresh", id, rc, on_uname); return FALSE; } CRM_LOG_ASSERT(on_uname != NULL); if (on_uname == NULL) { return TRUE; } if (failed_stop_offset == NULL) { failed_stop_offset = strdup(INFINITY_S); } if (failed_start_offset == NULL) { failed_start_offset = strdup(INFINITY_S); } CRM_CHECK(parse_op_key(id, &rsc_id, &task, &interval), crm_err("Couldn't parse: %s", ID(event)); goto bail); CRM_CHECK(task != NULL, goto bail); CRM_CHECK(rsc_id != NULL, goto bail); if (do_update || interval > 0) { do_update = TRUE; } else if (safe_str_eq(task, CRMD_ACTION_START)) { do_update = TRUE; value = failed_start_offset; } else if (safe_str_eq(task, CRMD_ACTION_STOP)) { do_update = TRUE; value = failed_stop_offset; } else if (safe_str_eq(task, CRMD_ACTION_STOP)) { do_update = TRUE; value = failed_stop_offset; } else if (safe_str_eq(task, CRMD_ACTION_PROMOTE)) { do_update = TRUE; } else if (safe_str_eq(task, CRMD_ACTION_DEMOTE)) { do_update = TRUE; } if (value == NULL || safe_str_neq(value, INFINITY_S)) { value = XML_NVPAIR_ATTR_VALUE "++"; } if (do_update) { char *now = crm_itoa(time(NULL)); gboolean is_remote_node = get_is_remote_from_event(event); crm_warn("Updating failcount for %s on %s after failed %s:" " rc=%d (update=%s, time=%s)", rsc_id, on_uname, task, rc, value, now); attr_name = crm_concat("fail-count", rsc_id, '-'); update_attrd(on_uname, attr_name, value, NULL, is_remote_node); free(attr_name); attr_name = crm_concat("last-failure", rsc_id, '-'); update_attrd(on_uname, attr_name, now, NULL, is_remote_node); free(attr_name); free(now); } bail: free(rsc_id); free(task); return TRUE; } static int status_from_rc(crm_action_t * action, int orig_status, int rc, int target_rc) { int status = orig_status; if (target_rc == rc) { crm_trace("Target rc: == %d", rc); if (status != PCMK_LRM_OP_DONE) { crm_trace("Re-mapping op status to" " PCMK_LRM_OP_DONE for rc=%d", rc); status = PCMK_LRM_OP_DONE; } } else { status = PCMK_LRM_OP_ERROR; } /* 99 is the code we use for direct nack's */ if (rc != 99 && status != PCMK_LRM_OP_DONE) { const char *task, *uname; task = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY); uname = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); crm_warn("Action %d (%s) on %s failed (target: %d vs. rc: %d): %s", action->id, task, uname, target_rc, rc, services_lrm_status_str(status)); } return status; } /* * returns the ID of the action if a match is found * returns -1 if a match was not found * returns -2 if a match was found but the action failed (and was * not allowed to) */ int match_graph_event(int action_id, xmlNode * event, const char *event_node, int op_status, int op_rc, int target_rc) { const char *target = NULL; const char *allow_fail = NULL; const char *this_event = NULL; crm_action_t *action = NULL; action = get_action(action_id, FALSE); if (action == NULL) { return -1; } op_status = status_from_rc(action, op_status, op_rc, target_rc); if (op_status != PCMK_LRM_OP_DONE) { update_failcount(event, event_node, op_rc, target_rc, FALSE); } /* Process OP status */ switch (op_status) { case PCMK_LRM_OP_PENDING: crm_debug("Ignoring pending operation"); return action->id; break; case PCMK_LRM_OP_DONE: break; case PCMK_LRM_OP_ERROR: case PCMK_LRM_OP_TIMEOUT: case PCMK_LRM_OP_NOTSUPPORTED: action->failed = TRUE; break; case PCMK_LRM_OP_CANCELLED: /* do nothing?? */ crm_err("Dont know what to do for cancelled ops yet"); break; default: action->failed = TRUE; crm_err("Unsupported action result: %d", op_status); } /* stop this event's timer if it had one */ stop_te_timer(action->timer); action->confirmed = TRUE; update_graph(transition_graph, action); trigger_graph(); if (action->failed) { allow_fail = crm_meta_value(action->params, XML_ATTR_TE_ALLOWFAIL); if (crm_is_true(allow_fail)) { action->failed = FALSE; } } if (action->failed) { abort_transition(action->synapse->priority + 1, tg_restart, "Event failed", event); } this_event = crm_element_value(event, XML_LRM_ATTR_TASK_KEY); target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET); crm_info("Action %s (%d) confirmed on %s (rc=%d)", crm_str(this_event), action->id, crm_str(target), op_status); return action->id; } crm_action_t * get_action(int id, gboolean confirmed) { GListPtr gIter = NULL; GListPtr gIter2 = NULL; gIter = transition_graph->synapses; for (; gIter != NULL; gIter = gIter->next) { synapse_t *synapse = (synapse_t *) gIter->data; gIter2 = synapse->actions; for (; gIter2 != NULL; gIter2 = gIter2->next) { crm_action_t *action = (crm_action_t *) gIter2->data; if (action->id == id) { if (confirmed) { stop_te_timer(action->timer); action->confirmed = TRUE; } return action; } } } return NULL; } crm_action_t * get_cancel_action(const char *id, const char *node) { const char *task = NULL; const char *target = NULL; GListPtr gIter = NULL; GListPtr gIter2 = NULL; gIter = transition_graph->synapses; for (; gIter != NULL; gIter = gIter->next) { synapse_t *synapse = (synapse_t *) gIter->data; gIter2 = synapse->actions; for (; gIter2 != NULL; gIter2 = gIter2->next) { crm_action_t *action = (crm_action_t *) gIter2->data; task = crm_element_value(action->xml, XML_LRM_ATTR_TASK); if (safe_str_neq(CRMD_ACTION_CANCEL, task)) { continue; } task = crm_element_value(action->xml, XML_LRM_ATTR_TASK_KEY); if (safe_str_neq(task, id)) { continue; } target = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); if (safe_str_neq(target, node)) { continue; } return action; } } return NULL; } crm_action_t * match_down_event(int id, const char *target, const char *filter, bool quiet) { const char *this_action = NULL; const char *this_node = NULL; crm_action_t *match = NULL; GListPtr gIter = NULL; GListPtr gIter2 = NULL; gIter = transition_graph->synapses; for (; gIter != NULL; gIter = gIter->next) { synapse_t *synapse = (synapse_t *) gIter->data; /* lookup event */ gIter2 = synapse->actions; for (; gIter2 != NULL; gIter2 = gIter2->next) { crm_action_t *action = (crm_action_t *) gIter2->data; if (id > 0 && action->id == id) { match = action; break; } this_action = crm_element_value(action->xml, XML_LRM_ATTR_TASK); if (action->type != action_type_crm) { continue; } else if (safe_str_eq(this_action, CRM_OP_LRM_REFRESH)) { continue; } else if (filter != NULL && safe_str_neq(this_action, filter)) { continue; } this_node = crm_element_value(action->xml, XML_LRM_ATTR_TARGET_UUID); if (this_node == NULL) { crm_log_xml_err(action->xml, "No node uuid"); } if (safe_str_neq(this_node, target)) { crm_debug("Action %d : Node mismatch: %s", action->id, this_node); continue; } match = action; id = action->id; break; } if (match != NULL) { /* stop this event's timer if it had one */ break; } } if (match != NULL) { /* stop this event's timer if it had one */ crm_debug("Match found for action %d: %s on %s", id, crm_element_value(match->xml, XML_LRM_ATTR_TASK_KEY), target); } else if (id > 0) { crm_err("No match for action %d", id); } else if(quiet == FALSE) { crm_warn("No match for shutdown action on %s", target); } return match; } gboolean process_graph_event(xmlNode * event, const char *event_node) { int rc = -1; int status = -1; int callid = -1; int action = -1; int target_rc = -1; int transition_num = -1; char *update_te_uuid = NULL; gboolean stop_early = FALSE; gboolean passed = FALSE; const char *id = NULL; const char *desc = NULL; const char *magic = NULL; CRM_ASSERT(event != NULL); /* */ id = crm_element_value(event, XML_LRM_ATTR_TASK_KEY); crm_element_value_int(event, XML_LRM_ATTR_RC, &rc); crm_element_value_int(event, XML_LRM_ATTR_OPSTATUS, &status); crm_element_value_int(event, XML_LRM_ATTR_CALLID, &callid); magic = crm_element_value(event, XML_ATTR_TRANSITION_KEY); if (magic == NULL) { /* non-change */ return FALSE; } if (decode_transition_key(magic, &update_te_uuid, &transition_num, &action, &target_rc) == FALSE) { crm_err("Invalid event %s.%d detected: %s", id, callid, magic); abort_transition(INFINITY, tg_restart, "Bad event", event); return FALSE; } if (status == PCMK_LRM_OP_PENDING) { goto bail; } if (transition_num == -1) { desc = "initiated outside of the cluster"; abort_transition(INFINITY, tg_restart, "Unexpected event", event); } else if (action < 0 || crm_str_eq(update_te_uuid, te_uuid, TRUE) == FALSE) { desc = "initiated by a different node"; abort_transition(INFINITY, tg_restart, "Foreign event", event); stop_early = TRUE; /* This could be an lrm status refresh */ } else if (transition_graph->id != transition_num) { desc = "arrived really late"; abort_transition(INFINITY, tg_restart, "Old event", event); stop_early = TRUE; /* This could be an lrm status refresh */ } else if (transition_graph->complete) { desc = "arrived late"; abort_transition(INFINITY, tg_restart, "Inactive graph", event); } else if (match_graph_event(action, event, event_node, status, rc, target_rc) < 0) { desc = "unknown"; abort_transition(INFINITY, tg_restart, "Unknown event", event); } else if (rc == target_rc) { passed = TRUE; crm_trace("Processed update to %s: %s", id, magic); } if (passed == FALSE) { if (update_failcount(event, event_node, rc, target_rc, transition_num == -1)) { /* Turns out this wasn't an lrm status refresh update aferall */ stop_early = FALSE; desc = "failed"; } crm_info("Detected action (%d.%d) %s.%d=%s: %s", transition_num, action, id, callid, lrmd_event_rc2str(rc), desc); } bail: free(update_te_uuid); return stop_early; } pacemaker-master/crmd/te_utils.c000066400000000000000000000362351217637305600172430ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include crm_trigger_t *stonith_reconnect = NULL; GListPtr stonith_cleanup_list = NULL; static gboolean fail_incompletable_stonith(crm_graph_t * graph) { GListPtr lpc = NULL; const char *task = NULL; xmlNode *last_action = NULL; if (graph == NULL) { return FALSE; } for (lpc = graph->synapses; lpc != NULL; lpc = lpc->next) { GListPtr lpc2 = NULL; synapse_t *synapse = (synapse_t *) lpc->data; if (synapse->confirmed) { continue; } for (lpc2 = synapse->actions; lpc2 != NULL; lpc2 = lpc2->next) { crm_action_t *action = (crm_action_t *) lpc2->data; if (action->type != action_type_crm || action->confirmed) { continue; } task = crm_element_value(action->xml, XML_LRM_ATTR_TASK); if (task && safe_str_eq(task, CRM_OP_FENCE)) { action->failed = TRUE; last_action = action->xml; update_graph(graph, action); crm_notice("Failing action %d (%s): STONITHd terminated", action->id, ID(action->xml)); } } } if (last_action != NULL) { crm_warn("STONITHd failure resulted in un-runnable actions"); abort_transition(INFINITY, tg_restart, "Stonith failure", last_action); return TRUE; } return FALSE; } static void tengine_stonith_connection_destroy(stonith_t * st, stonith_event_t * e) { if (is_set(fsa_input_register, R_ST_REQUIRED)) { crm_crit("Fencing daemon connection failed"); mainloop_set_trigger(stonith_reconnect); } else { crm_info("Fencing daemon disconnected"); } /* cbchan will be garbage at this point, arrange for it to be reset */ if(stonith_api) { stonith_api->state = stonith_disconnected; } if (AM_I_DC) { fail_incompletable_stonith(transition_graph); trigger_graph(); } } #if SUPPORT_CMAN # include #endif char *te_client_id = NULL; #ifdef HAVE_SYS_REBOOT_H # include # include #endif static void tengine_stonith_notify(stonith_t * st, stonith_event_t * st_event) { if(te_client_id == NULL) { te_client_id = g_strdup_printf("%s.%d", crm_system_name, getpid()); } if (st_event == NULL) { crm_err("Notify data not found"); return; } if (st_event->result == pcmk_ok && crm_str_eq(st_event->target, fsa_our_uname, TRUE)) { crm_crit("We were alegedly just fenced by %s for %s with %s!", st_event->executioner, st_event->origin, st_event->device); /* Dumps blackbox if enabled */ qb_log_fini(); /* Try to get the above log message to disk - somehow */ /* Get out ASAP and do not come back up. * * Triggering a reboot is also not the worst idea either since * the rest of the cluster thinks we're safely down */ #ifdef RB_HALT_SYSTEM reboot(RB_HALT_SYSTEM); #endif /* * If reboot() fails or is not supported, coming back up will * probably lead to a situation where the other nodes set our * status to 'lost' because of the fencing callback and will * discard subsequent election votes with: * * Election 87 (current: 5171, owner: 103): Processed vote from east-03 (Peer is not part of our cluster) * * So just stay dead, something is seriously messed up anyway. * */ exit(100); /* None of our wrappers since we already called qb_log_fini() */ return; } if (st_event->result == pcmk_ok && safe_str_eq(st_event->operation, T_STONITH_NOTIFY_FENCE)) { st_fail_count_reset(st_event->target); } crm_notice("Peer %s was%s terminated (%s) by %s for %s: %s (ref=%s) by client %s", st_event->target, st_event->result == pcmk_ok ? "" : " not", st_event->action, st_event->executioner ? st_event->executioner : "", st_event->origin, pcmk_strerror(st_event->result), st_event->id, st_event->client_origin ? st_event->client_origin : ""); #if SUPPORT_CMAN if (st_event->result == pcmk_ok && is_cman_cluster()) { int local_rc = 0; char *target_copy = strdup(st_event->target); /* In case fenced hasn't noticed yet * * Any fencing that has been inititated will be completed by way of the fence_pcmk redirect */ local_rc = fenced_external(target_copy); if (local_rc != 0) { crm_err("Could not notify CMAN that '%s' is now fenced: %d", st_event->target, local_rc); } else { crm_notice("Notified CMAN that '%s' is now fenced", st_event->target); } free(target_copy); } #endif if (st_event->result == pcmk_ok) { crm_node_t *peer = crm_get_peer(0, st_event->target); const char *uuid = crm_peer_uuid(peer); gboolean we_are_executioner = safe_str_eq(st_event->executioner, fsa_our_uname); crm_trace("target=%s dc=%s", st_event->target, fsa_our_dc); if(AM_I_DC) { /* The DC always sends updates */ send_stonith_update(NULL, st_event->target, uuid); if (st_event->client_origin && safe_str_neq(st_event->client_origin, te_client_id)) { /* Abort the current transition graph if it wasn't us * that invoked stonith to fence someone */ crm_info("External fencing operation from %s fenced %s", st_event->client_origin, st_event->target); abort_transition(INFINITY, tg_restart, "External Fencing Operation", NULL); } /* Assume it was our leader if we dont currently have one */ } else if (fsa_our_dc == NULL || safe_str_eq(fsa_our_dc, st_event->target)) { crm_notice("Target %s our leader %s (recorded: %s)", fsa_our_dc ? "was" : "may have been", st_event->target, fsa_our_dc ? fsa_our_dc : ""); /* Given the CIB resyncing that occurs around elections, * have one node update the CIB now and, if the new DC is different, * have them do so too after the election */ if (we_are_executioner) { send_stonith_update(NULL, st_event->target, uuid); } stonith_cleanup_list = g_list_append(stonith_cleanup_list, strdup(st_event->target)); } /* Everyone records them as safely down */ crm_update_peer_proc(__FUNCTION__, peer, crm_proc_none, NULL); crm_update_peer_state(__FUNCTION__, peer, CRM_NODE_LOST, 0); crm_update_peer_expected(__FUNCTION__, peer, CRMD_JOINSTATE_DOWN); crm_update_peer_join(__FUNCTION__, peer, crm_join_none); } } gboolean te_connect_stonith(gpointer user_data) { int lpc = 0; int rc = pcmk_ok; if (stonith_api == NULL) { stonith_api = stonith_api_new(); } if (stonith_api->state != stonith_disconnected) { crm_trace("Still connected"); return TRUE; } for (lpc = 0; lpc < 30; lpc++) { crm_debug("Attempting connection to fencing daemon..."); sleep(1); rc = stonith_api->cmds->connect(stonith_api, crm_system_name, NULL); if (rc == pcmk_ok) { break; } if (user_data != NULL) { crm_err("Sign-in failed: triggered a retry"); mainloop_set_trigger(stonith_reconnect); return TRUE; } crm_err("Sign-in failed: pausing and trying again in 2s..."); sleep(1); } CRM_CHECK(rc == pcmk_ok, return TRUE); /* If not, we failed 30 times... just get out */ stonith_api->cmds->register_notification(stonith_api, T_STONITH_NOTIFY_DISCONNECT, tengine_stonith_connection_destroy); stonith_api->cmds->register_notification(stonith_api, T_STONITH_NOTIFY_FENCE, tengine_stonith_notify); crm_trace("Connected"); return TRUE; } gboolean stop_te_timer(crm_action_timer_t * timer) { const char *timer_desc = "action timer"; if (timer == NULL) { return FALSE; } if (timer->reason == timeout_abort) { timer_desc = "global timer"; crm_trace("Stopping %s", timer_desc); } if (timer->source_id != 0) { crm_trace("Stopping %s", timer_desc); g_source_remove(timer->source_id); timer->source_id = 0; } else { crm_trace("%s was already stopped", timer_desc); return FALSE; } return TRUE; } gboolean te_graph_trigger(gpointer user_data) { enum transition_status graph_rc = -1; if (transition_graph == NULL) { crm_debug("Nothing to do"); return TRUE; } crm_trace("Invoking graph %d in state %s", transition_graph->id, fsa_state2string(fsa_state)); switch (fsa_state) { case S_STARTING: case S_PENDING: case S_NOT_DC: case S_HALT: case S_ILLEGAL: case S_STOPPING: case S_TERMINATE: return TRUE; break; default: break; } if (transition_graph->complete == FALSE) { graph_rc = run_graph(transition_graph); print_graph(LOG_DEBUG_3, transition_graph); if (graph_rc == transition_active) { crm_trace("Transition not yet complete"); return TRUE; } else if (graph_rc == transition_pending) { crm_trace("Transition not yet complete - no actions fired"); return TRUE; } if (graph_rc != transition_complete) { crm_warn("Transition failed: %s", transition_status(graph_rc)); print_graph(LOG_NOTICE, transition_graph); } } crm_debug("Transition %d is now complete", transition_graph->id); transition_graph->complete = TRUE; notify_crmd(transition_graph); return TRUE; } void trigger_graph_processing(const char *fn, int line) { crm_trace("%s:%d - Triggered graph processing", fn, line); mainloop_set_trigger(transition_trigger); } void abort_transition_graph(int abort_priority, enum transition_action abort_action, const char *abort_text, xmlNode * reason, const char *fn, int line) { const char *magic = NULL; CRM_CHECK(transition_graph != NULL, return); if (reason) { int diff_add_updates = 0; int diff_add_epoch = 0; int diff_add_admin_epoch = 0; int diff_del_updates = 0; int diff_del_epoch = 0; int diff_del_admin_epoch = 0; const char *uname = ""; xmlNode *search = reason; xmlNode *diff = get_xpath_object("//" F_CIB_UPDATE_RESULT "//diff", reason, LOG_DEBUG_2); magic = crm_element_value(reason, XML_ATTR_TRANSITION_MAGIC); while(search) { const char *kind = TYPE(search); if (safe_str_eq(XML_CIB_TAG_STATE, kind) || safe_str_eq(XML_CIB_TAG_NODE, kind)) { if (crm_is_true(crm_element_value(search, XML_NODE_IS_REMOTE))) { /* Remote node uname and uuids are the same. * We also don't want them to be present in the * peer cache, so we shouldn't look them up with * crm_peer_uname() */ uname = ID(search); } else { uname = crm_peer_uname(ID(search)); } break; } search = search->parent; } if (diff) { cib_diff_version_details(diff, &diff_add_admin_epoch, &diff_add_epoch, &diff_add_updates, &diff_del_admin_epoch, &diff_del_epoch, &diff_del_updates); if (crm_str_eq(TYPE(reason), XML_CIB_TAG_NVPAIR, TRUE)) { crm_info ("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, name=%s, value=%s, magic=%s, cib=%d.%d.%d) : %s", fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason), NAME(reason), VALUE(reason), magic ? magic : "NA", diff_add_admin_epoch, diff_add_epoch, diff_add_updates, abort_text); } else { crm_info ("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, magic=%s, cib=%d.%d.%d) : %s", fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason), magic ? magic : "NA", diff_add_admin_epoch, diff_add_epoch, diff_add_updates, abort_text); } } else { crm_info ("%s:%d - Triggered transition abort (complete=%d, node=%s, tag=%s, id=%s, magic=%s) : %s", fn, line, transition_graph->complete, uname, TYPE(reason), ID(reason), magic ? magic : "NA", abort_text); } } else { crm_info("%s:%d - Triggered transition abort (complete=%d) : %s", fn, line, transition_graph->complete, abort_text); } switch (fsa_state) { case S_STARTING: case S_PENDING: case S_NOT_DC: case S_HALT: case S_ILLEGAL: case S_STOPPING: case S_TERMINATE: crm_info("Abort suppressed: state=%s (complete=%d)", fsa_state2string(fsa_state), transition_graph->complete); return; default: break; } if (magic == NULL && reason != NULL) { crm_log_xml_debug(reason, "Cause"); } /* Make sure any queued calculations are discarded ASAP */ free(fsa_pe_ref); fsa_pe_ref = NULL; if (transition_graph->complete) { if (transition_timer->period_ms > 0) { crm_timer_stop(transition_timer); crm_timer_start(transition_timer); } else { register_fsa_input(C_FSA_INTERNAL, I_PE_CALC, NULL); } return; } update_abort_priority(transition_graph, abort_priority, abort_action, abort_text); mainloop_set_trigger(transition_trigger); } pacemaker-master/crmd/tengine.c000066400000000000000000000166021217637305600170400ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include /* for access */ #include /* for calls to open */ #include /* for calls to open */ #include /* for calls to open */ #include /* for getpwuid */ #include /* for initgroups */ #include /* for getrlimit */ #include /* for getrlimit */ #include #include #include #include #include #include #include #include extern crm_graph_functions_t te_graph_fns; struct crm_subsystem_s *te_subsystem = NULL; stonith_t *stonith_api = NULL; static void global_cib_callback(const xmlNode * msg, int callid, int rc, xmlNode * output) { } static crm_graph_t * create_blank_graph(void) { crm_graph_t *a_graph = unpack_graph(NULL, NULL); a_graph->complete = TRUE; a_graph->abort_reason = "DC Takeover"; a_graph->completion_action = tg_restart; return a_graph; } /* A_TE_START, A_TE_STOP, A_TE_RESTART */ void do_te_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { gboolean init_ok = TRUE; if (action & A_TE_STOP) { if (transition_graph) { destroy_graph(transition_graph); transition_graph = NULL; } if (fsa_cib_conn) { fsa_cib_conn->cmds->del_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff); } clear_bit(fsa_input_register, te_subsystem->flag_connected); crm_info("Transitioner is now inactive"); } if ((action & A_TE_START) == 0) { return; } else if (is_set(fsa_input_register, te_subsystem->flag_connected)) { crm_debug("The transitioner is already active"); return; } else if ((action & A_TE_START) && cur_state == S_STOPPING) { crm_info("Ignoring request to start %s while shutting down", te_subsystem->name); return; } te_uuid = crm_generate_uuid(); crm_info("Registering TE UUID: %s", te_uuid); if (pcmk_ok != fsa_cib_conn->cmds->add_notify_callback(fsa_cib_conn, T_CIB_DIFF_NOTIFY, te_update_diff)) { crm_err("Could not set CIB notification callback"); init_ok = FALSE; } if (pcmk_ok != fsa_cib_conn->cmds->set_op_callback(fsa_cib_conn, global_cib_callback)) { crm_err("Could not set CIB global callback"); init_ok = FALSE; } if (init_ok) { set_graph_functions(&te_graph_fns); if (transition_graph) { destroy_graph(transition_graph); } /* create a blank one */ crm_debug("Transitioner is now active"); transition_graph = create_blank_graph(); set_bit(fsa_input_register, te_subsystem->flag_connected); } } /* A_TE_INVOKE, A_TE_CANCEL */ void do_te_invoke(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { if (AM_I_DC == FALSE || (fsa_state != S_TRANSITION_ENGINE && (action & A_TE_INVOKE))) { crm_notice("No need to invoke the TE (%s) in state %s", fsa_action2string(action), fsa_state2string(fsa_state)); return; } if (action & A_TE_CANCEL) { crm_debug("Cancelling the transition: %s", transition_graph->complete ? "inactive" : "active"); abort_transition(INFINITY, tg_restart, "Peer Cancelled", NULL); if (transition_graph->complete == FALSE) { crmd_fsa_stall(FALSE); } } else if (action & A_TE_HALT) { crm_debug("Halting the transition: %s", transition_graph->complete ? "inactive" : "active"); abort_transition(INFINITY, tg_stop, "Peer Halt", NULL); if (transition_graph->complete == FALSE) { crmd_fsa_stall(FALSE); } } else if (action & A_TE_INVOKE) { const char *value = NULL; xmlNode *graph_data = NULL; ha_msg_input_t *input = fsa_typed_data(fsa_dt_ha_msg); const char *ref = crm_element_value(input->msg, XML_ATTR_REFERENCE); const char *graph_file = crm_element_value(input->msg, F_CRM_TGRAPH); const char *graph_input = crm_element_value(input->msg, F_CRM_TGRAPH_INPUT); if (graph_file == NULL && input->xml == NULL) { crm_log_xml_err(input->msg, "Bad command"); register_fsa_error(C_FSA_INTERNAL, I_FAIL, NULL); return; } if (transition_graph->complete == FALSE) { crm_info("Another transition is already active"); abort_transition(INFINITY, tg_restart, "Transition Active", NULL); return; } if (fsa_pe_ref == NULL || safe_str_neq(fsa_pe_ref, ref)) { crm_info("Transition is redundant: %s vs. %s", crm_str(fsa_pe_ref), crm_str(ref)); abort_transition(INFINITY, tg_restart, "Transition Redundant", NULL); } graph_data = input->xml; if (graph_data == NULL && graph_file != NULL) { graph_data = filename2xml(graph_file); } if (is_timer_started(transition_timer)) { crm_debug("The transitioner wait for a transition timer"); return; } CRM_CHECK(graph_data != NULL, crm_err("Input raised by %s is invalid", msg_data->origin); crm_log_xml_err(input->msg, "Bad command"); return); destroy_graph(transition_graph); transition_graph = unpack_graph(graph_data, graph_input); CRM_CHECK(transition_graph != NULL, transition_graph = create_blank_graph(); return); crm_info("Processing graph %d (ref=%s) derived from %s", transition_graph->id, ref, graph_input); value = crm_element_value(graph_data, "failed-stop-offset"); if (value) { free(failed_stop_offset); failed_stop_offset = strdup(value); } value = crm_element_value(graph_data, "failed-start-offset"); if (value) { free(failed_start_offset); failed_start_offset = strdup(value); } trigger_graph(); print_graph(LOG_DEBUG_2, transition_graph); if (graph_data != input->xml) { free_xml(graph_data); } } } pacemaker-master/crmd/tengine.h000066400000000000000000000055411217637305600170450ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef TENGINE__H # define TENGINE__H # include # include # include # include extern stonith_t *stonith_api; extern GListPtr stonith_cleanup_list; extern void send_stonith_update(crm_action_t * stonith_action, const char *target, const char *uuid); /* tengine */ extern crm_action_t *match_down_event(int rc, const char *target, const char *filter, bool quiet); extern crm_action_t *get_cancel_action(const char *id, const char *node); extern gboolean cib_action_update(crm_action_t * action, int status, int op_rc); extern gboolean fail_incompletable_actions(crm_graph_t * graph, const char *down_node); extern gboolean process_graph_event(xmlNode * event, const char *event_node); /* utils */ extern crm_action_t *get_action(int id, gboolean confirmed); extern gboolean start_global_timer(crm_action_timer_t * timer, int timeout); extern gboolean stop_te_timer(crm_action_timer_t * timer); extern const char *get_rsc_state(const char *task, enum op_status status); /* unpack */ extern gboolean process_te_message(xmlNode * msg, xmlNode * xml_data); extern crm_graph_t *transition_graph; extern crm_trigger_t *transition_trigger; extern char *te_uuid; extern void notify_crmd(crm_graph_t * graph); # include extern void trigger_graph_processing(const char *fn, int line); extern void abort_transition_graph(int abort_priority, enum transition_action abort_action, const char *abort_text, xmlNode * reason, const char *fn, int line); # define trigger_graph() trigger_graph_processing(__FUNCTION__, __LINE__) # define abort_transition(pri, action, text, reason) \ abort_transition_graph(pri, action, text, reason,__FUNCTION__,__LINE__); extern gboolean te_connect_stonith(gpointer user_data); extern crm_trigger_t *transition_trigger; extern crm_trigger_t *stonith_reconnect; extern char *failed_stop_offset; extern char *failed_start_offset; extern int active_timeout; extern int stonith_op_active; #endif pacemaker-master/crmd/utils.c000066400000000000000000001036471217637305600165550ustar00rootroot00000000000000/* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* A_DC_TIMER_STOP, A_DC_TIMER_START, * A_FINALIZE_TIMER_STOP, A_FINALIZE_TIMER_START * A_INTEGRATE_TIMER_STOP, A_INTEGRATE_TIMER_START */ void do_timer_control(long long action, enum crmd_fsa_cause cause, enum crmd_fsa_state cur_state, enum crmd_fsa_input current_input, fsa_data_t * msg_data) { gboolean timer_op_ok = TRUE; if (action & A_DC_TIMER_STOP) { timer_op_ok = crm_timer_stop(election_trigger); } else if (action & A_FINALIZE_TIMER_STOP) { timer_op_ok = crm_timer_stop(finalization_timer); } else if (action & A_INTEGRATE_TIMER_STOP) { timer_op_ok = crm_timer_stop(integration_timer); /* } else if(action & A_ELECTION_TIMEOUT_STOP) { */ /* timer_op_ok = crm_timer_stop(election_timeout); */ } /* dont start a timer that wasnt already running */ if (action & A_DC_TIMER_START && timer_op_ok) { crm_timer_start(election_trigger); if (AM_I_DC) { /* there can be only one */ register_fsa_input(cause, I_ELECTION, NULL); } } else if (action & A_FINALIZE_TIMER_START) { crm_timer_start(finalization_timer); } else if (action & A_INTEGRATE_TIMER_START) { crm_timer_start(integration_timer); /* } else if(action & A_ELECTION_TIMEOUT_START) { */ /* crm_timer_start(election_timeout); */ } } const char * get_timer_desc(fsa_timer_t * timer) { if (timer == election_trigger) { return "Election Trigger"; } else if (timer == election_timeout) { return "Election Timeout"; } else if (timer == shutdown_escalation_timer) { return "Shutdown Escalation"; } else if (timer == integration_timer) { return "Integration Timer"; } else if (timer == finalization_timer) { return "Finalization Timer"; } else if (timer == transition_timer) { return "New Transition Timer"; } else if (timer == wait_timer) { return "Wait Timer"; } else if (timer == recheck_timer) { return "PEngine Recheck Timer"; } return "Unknown Timer"; } gboolean crm_timer_popped(gpointer data) { fsa_timer_t *timer = (fsa_timer_t *) data; if (timer == wait_timer || timer == recheck_timer || timer == transition_timer || timer == finalization_timer || timer == election_trigger) { crm_info("%s (%s) just popped (%dms)", get_timer_desc(timer), fsa_input2string(timer->fsa_input), timer->period_ms); timer->counter++; } else { crm_err("%s (%s) just popped in state %s! (%dms)", get_timer_desc(timer), fsa_input2string(timer->fsa_input), fsa_state2string(fsa_state), timer->period_ms); } if (timer == election_trigger && election_trigger->counter > 5) { crm_notice("We appear to be in an election loop, something may be wrong"); crm_write_blackbox(0, NULL); election_trigger->counter = 0; } if (timer->repeat == FALSE) { crm_timer_stop(timer); /* make it _not_ go off again */ } if (timer->fsa_input == I_INTEGRATED) { crm_info("Welcomed: %d, Integrated: %d", crmd_join_phase_count(crm_join_welcomed), crmd_join_phase_count(crm_join_integrated)); if (crmd_join_phase_count(crm_join_welcomed) == 0) { /* If we don't even have ourself, start again */ register_fsa_error_adv(C_FSA_INTERNAL, I_ELECTION, NULL, NULL, __FUNCTION__); } else { register_fsa_input_before(C_TIMER_POPPED, timer->fsa_input, NULL); } } else if (timer == recheck_timer && fsa_state != S_IDLE) { crm_debug("Discarding %s event in state: %s", fsa_input2string(timer->fsa_input), fsa_state2string(fsa_state)); } else if (timer == finalization_timer && fsa_state != S_FINALIZE_JOIN) { crm_debug("Discarding %s event in state: %s", fsa_input2string(timer->fsa_input), fsa_state2string(fsa_state)); } else if (timer->fsa_input != I_NULL) { register_fsa_input(C_TIMER_POPPED, timer->fsa_input, NULL); } crm_trace("Triggering FSA: %s", __FUNCTION__); mainloop_set_trigger(fsa_source); return TRUE; } gboolean is_timer_started(fsa_timer_t * timer) { if (timer->period_ms > 0) { if (transition_timer->source_id == 0) { return FALSE; } else { return TRUE; } } return FALSE; } gboolean crm_timer_start(fsa_timer_t * timer) { const char *timer_desc = get_timer_desc(timer); if (timer->source_id == 0 && timer->period_ms > 0) { timer->source_id = g_timeout_add(timer->period_ms, timer->callback, (void *)timer); CRM_ASSERT(timer->source_id != 0); crm_debug("Started %s (%s:%dms), src=%d", timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms, timer->source_id); } else if (timer->period_ms < 0) { crm_err("Tried to start %s (%s:%dms) with a -ve period", timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms); } else { crm_debug("%s (%s:%dms) already running: src=%d", timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms, timer->source_id); return FALSE; } return TRUE; } gboolean crm_timer_stop(fsa_timer_t * timer) { const char *timer_desc = get_timer_desc(timer); if (timer == NULL) { crm_err("Attempted to stop NULL timer"); return FALSE; } else if (timer->source_id != 0) { crm_trace("Stopping %s (%s:%dms), src=%d", timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms, timer->source_id); g_source_remove(timer->source_id); timer->source_id = 0; } else { crm_trace("%s (%s:%dms) already stopped", timer_desc, fsa_input2string(timer->fsa_input), timer->period_ms); return FALSE; } return TRUE; } const char * fsa_input2string(enum crmd_fsa_input input) { const char *inputAsText = NULL; switch (input) { case I_NULL: inputAsText = "I_NULL"; break; case I_CIB_OP: inputAsText = "I_CIB_OP (unused)"; break; case I_CIB_UPDATE: inputAsText = "I_CIB_UPDATE"; break; case I_DC_TIMEOUT: inputAsText = "I_DC_TIMEOUT"; break; case I_ELECTION: inputAsText = "I_ELECTION"; break; case I_PE_CALC: inputAsText = "I_PE_CALC"; break; case I_RELEASE_DC: inputAsText = "I_RELEASE_DC"; break; case I_ELECTION_DC: inputAsText = "I_ELECTION_DC"; break; case I_ERROR: inputAsText = "I_ERROR"; break; case I_FAIL: inputAsText = "I_FAIL"; break; case I_INTEGRATED: inputAsText = "I_INTEGRATED"; break; case I_FINALIZED: inputAsText = "I_FINALIZED"; break; case I_NODE_JOIN: inputAsText = "I_NODE_JOIN"; break; case I_JOIN_OFFER: inputAsText = "I_JOIN_OFFER"; break; case I_JOIN_REQUEST: inputAsText = "I_JOIN_REQUEST"; break; case I_JOIN_RESULT: inputAsText = "I_JOIN_RESULT"; break; case I_NOT_DC: inputAsText = "I_NOT_DC"; break; case I_RECOVERED: inputAsText = "I_RECOVERED"; break; case I_RELEASE_FAIL: inputAsText = "I_RELEASE_FAIL"; break; case I_RELEASE_SUCCESS: inputAsText = "I_RELEASE_SUCCESS"; break; case I_RESTART: inputAsText = "I_RESTART"; break; case I_PE_SUCCESS: inputAsText = "I_PE_SUCCESS"; break; case I_ROUTER: inputAsText = "I_ROUTER"; break; case I_SHUTDOWN: inputAsText = "I_SHUTDOWN"; break; case I_STARTUP: inputAsText = "I_STARTUP"; break; case I_TE_SUCCESS: inputAsText = "I_TE_SUCCESS"; break; case I_STOP: inputAsText = "I_STOP"; break; case I_DC_HEARTBEAT: inputAsText = "I_DC_HEARTBEAT"; break; case I_WAIT_FOR_EVENT: inputAsText = "I_WAIT_FOR_EVENT"; break; case I_LRM_EVENT: inputAsText = "I_LRM_EVENT"; break; case I_PENDING: inputAsText = "I_PENDING"; break; case I_HALT: inputAsText = "I_HALT"; break; case I_TERMINATE: inputAsText = "I_TERMINATE"; break; case I_ILLEGAL: inputAsText = "I_ILLEGAL"; break; } if (inputAsText == NULL) { crm_err("Input %d is unknown", input); inputAsText = ""; } return inputAsText; } const char * fsa_state2string(enum crmd_fsa_state state) { const char *stateAsText = NULL; switch (state) { case S_IDLE: stateAsText = "S_IDLE"; break; case S_ELECTION: stateAsText = "S_ELECTION"; break; case S_INTEGRATION: stateAsText = "S_INTEGRATION"; break; case S_FINALIZE_JOIN: stateAsText = "S_FINALIZE_JOIN"; break; case S_NOT_DC: stateAsText = "S_NOT_DC"; break; case S_POLICY_ENGINE: stateAsText = "S_POLICY_ENGINE"; break; case S_RECOVERY: stateAsText = "S_RECOVERY"; break; case S_RELEASE_DC: stateAsText = "S_RELEASE_DC"; break; case S_PENDING: stateAsText = "S_PENDING"; break; case S_STOPPING: stateAsText = "S_STOPPING"; break; case S_TERMINATE: stateAsText = "S_TERMINATE"; break; case S_TRANSITION_ENGINE: stateAsText = "S_TRANSITION_ENGINE"; break; case S_STARTING: stateAsText = "S_STARTING"; break; case S_HALT: stateAsText = "S_HALT"; break; case S_ILLEGAL: stateAsText = "S_ILLEGAL"; break; } if (stateAsText == NULL) { crm_err("State %d is unknown", state); stateAsText = ""; } return stateAsText; } const char * fsa_cause2string(enum crmd_fsa_cause cause) { const char *causeAsText = NULL; switch (cause) { case C_UNKNOWN: causeAsText = "C_UNKNOWN"; break; case C_STARTUP: causeAsText = "C_STARTUP"; break; case C_IPC_MESSAGE: causeAsText = "C_IPC_MESSAGE"; break; case C_HA_MESSAGE: causeAsText = "C_HA_MESSAGE"; break; case C_CCM_CALLBACK: causeAsText = "C_CCM_CALLBACK"; break; case C_TIMER_POPPED: causeAsText = "C_TIMER_POPPED"; break; case C_SHUTDOWN: causeAsText = "C_SHUTDOWN"; break; case C_HEARTBEAT_FAILED: causeAsText = "C_HEARTBEAT_FAILED"; break; case C_SUBSYSTEM_CONNECT: causeAsText = "C_SUBSYSTEM_CONNECT"; break; case C_LRM_OP_CALLBACK: causeAsText = "C_LRM_OP_CALLBACK"; break; case C_LRM_MONITOR_CALLBACK: causeAsText = "C_LRM_MONITOR_CALLBACK"; break; case C_CRMD_STATUS_CALLBACK: causeAsText = "C_CRMD_STATUS_CALLBACK"; break; case C_HA_DISCONNECT: causeAsText = "C_HA_DISCONNECT"; break; case C_FSA_INTERNAL: causeAsText = "C_FSA_INTERNAL"; break; case C_ILLEGAL: causeAsText = "C_ILLEGAL"; break; } if (causeAsText == NULL) { crm_err("Cause %d is unknown", cause); causeAsText = ""; } return causeAsText; } const char * fsa_action2string(long long action) { const char *actionAsText = NULL; switch (action) { case A_NOTHING: actionAsText = "A_NOTHING"; break; case A_ELECTION_START: actionAsText = "A_ELECTION_START"; break; case A_DC_JOIN_FINAL: actionAsText = "A_DC_JOIN_FINAL"; break; case A_READCONFIG: actionAsText = "A_READCONFIG"; break; case O_RELEASE: actionAsText = "O_RELEASE"; break; case A_STARTUP: actionAsText = "A_STARTUP"; break; case A_STARTED: actionAsText = "A_STARTED"; break; case A_HA_CONNECT: actionAsText = "A_HA_CONNECT"; break; case A_HA_DISCONNECT: actionAsText = "A_HA_DISCONNECT"; break; case A_LRM_CONNECT: actionAsText = "A_LRM_CONNECT"; break; case A_LRM_EVENT: actionAsText = "A_LRM_EVENT"; break; case A_LRM_INVOKE: actionAsText = "A_LRM_INVOKE"; break; case A_LRM_DISCONNECT: actionAsText = "A_LRM_DISCONNECT"; break; case O_LRM_RECONNECT: actionAsText = "O_LRM_RECONNECT"; break; case A_CL_JOIN_QUERY: actionAsText = "A_CL_JOIN_QUERY"; break; case A_DC_TIMER_STOP: actionAsText = "A_DC_TIMER_STOP"; break; case A_DC_TIMER_START: actionAsText = "A_DC_TIMER_START"; break; case A_INTEGRATE_TIMER_START: actionAsText = "A_INTEGRATE_TIMER_START"; break; case A_INTEGRATE_TIMER_STOP: actionAsText = "A_INTEGRATE_TIMER_STOP"; break; case A_FINALIZE_TIMER_START: actionAsText = "A_FINALIZE_TIMER_START"; break; case A_FINALIZE_TIMER_STOP: actionAsText = "A_FINALIZE_TIMER_STOP"; break; case A_ELECTION_COUNT: actionAsText = "A_ELECTION_COUNT"; break; case A_ELECTION_VOTE: actionAsText = "A_ELECTION_VOTE"; break; case A_ELECTION_CHECK: actionAsText = "A_ELECTION_CHECK"; break; case A_CL_JOIN_ANNOUNCE: actionAsText = "A_CL_JOIN_ANNOUNCE"; break; case A_CL_JOIN_REQUEST: actionAsText = "A_CL_JOIN_REQUEST"; break; case A_CL_JOIN_RESULT: actionAsText = "A_CL_JOIN_RESULT"; break; case A_DC_JOIN_OFFER_ALL: actionAsText = "A_DC_JOIN_OFFER_ALL"; break; case A_DC_JOIN_OFFER_ONE: actionAsText = "A_DC_JOIN_OFFER_ONE"; break; case A_DC_JOIN_PROCESS_REQ: actionAsText = "A_DC_JOIN_PROCESS_REQ"; break; case A_DC_JOIN_PROCESS_ACK: actionAsText = "A_DC_JOIN_PROCESS_ACK"; break; case A_DC_JOIN_FINALIZE: actionAsText = "A_DC_JOIN_FINALIZE"; break; case A_MSG_PROCESS: actionAsText = "A_MSG_PROCESS"; break; case A_MSG_ROUTE: actionAsText = "A_MSG_ROUTE"; break; case A_RECOVER: actionAsText = "A_RECOVER"; break; case A_DC_RELEASE: actionAsText = "A_DC_RELEASE"; break; case A_DC_RELEASED: actionAsText = "A_DC_RELEASED"; break; case A_DC_TAKEOVER: actionAsText = "A_DC_TAKEOVER"; break; case A_SHUTDOWN: actionAsText = "A_SHUTDOWN"; break; case A_SHUTDOWN_REQ: actionAsText = "A_SHUTDOWN_REQ"; break; case A_STOP: actionAsText = "A_STOP "; break; case A_EXIT_0: actionAsText = "A_EXIT_0"; break; case A_EXIT_1: actionAsText = "A_EXIT_1"; break; case A_CCM_CONNECT: actionAsText = "A_CCM_CONNECT"; break; case A_CCM_DISCONNECT: actionAsText = "A_CCM_DISCONNECT"; break; case O_CIB_RESTART: actionAsText = "O_CIB_RESTART"; break; case A_CIB_START: actionAsText = "A_CIB_START"; break; case A_CIB_STOP: actionAsText = "A_CIB_STOP"; break; case A_TE_INVOKE: actionAsText = "A_TE_INVOKE"; break; case O_TE_RESTART: actionAsText = "O_TE_RESTART"; break; case A_TE_START: actionAsText = "A_TE_START"; break; case A_TE_STOP: actionAsText = "A_TE_STOP"; break; case A_TE_HALT: actionAsText = "A_TE_HALT"; break; case A_TE_CANCEL: actionAsText = "A_TE_CANCEL"; break; case A_PE_INVOKE: actionAsText = "A_PE_INVOKE"; break; case O_PE_RESTART: actionAsText = "O_PE_RESTART"; break; case A_PE_START: actionAsText = "A_PE_START"; break; case A_PE_STOP: actionAsText = "A_PE_STOP"; break; case A_NODE_BLOCK: actionAsText = "A_NODE_BLOCK"; break; case A_UPDATE_NODESTATUS: actionAsText = "A_UPDATE_NODESTATUS"; break; case A_LOG: actionAsText = "A_LOG "; break; case A_ERROR: actionAsText = "A_ERROR "; break; case A_WARN: actionAsText = "A_WARN "; break; /* Composite actions */ case A_DC_TIMER_START | A_CL_JOIN_QUERY: actionAsText = "A_DC_TIMER_START|A_CL_JOIN_QUERY"; break; } if (actionAsText == NULL) { crm_err("Action %.16llx is unknown", action); actionAsText = ""; } return actionAsText; } void fsa_dump_inputs(int log_level, const char *text, long long input_register) { if (input_register == A_NOTHING) { return; } if (text == NULL) { text = "Input register contents:"; } if (is_set(input_register, R_THE_DC)) { crm_trace("%s %.16llx (R_THE_DC)", text, R_THE_DC); } if (is_set(input_register, R_STARTING)) { crm_trace("%s %.16llx (R_STARTING)", text, R_STARTING); } if (is_set(input_register, R_SHUTDOWN)) { crm_trace("%s %.16llx (R_SHUTDOWN)", text, R_SHUTDOWN); } if (is_set(input_register, R_STAYDOWN)) { crm_trace("%s %.16llx (R_STAYDOWN)", text, R_STAYDOWN); } if (is_set(input_register, R_JOIN_OK)) { crm_trace("%s %.16llx (R_JOIN_OK)", text, R_JOIN_OK); } if (is_set(input_register, R_READ_CONFIG)) { crm_trace("%s %.16llx (R_READ_CONFIG)", text, R_READ_CONFIG); } if (is_set(input_register, R_INVOKE_PE)) { crm_trace("%s %.16llx (R_INVOKE_PE)", text, R_INVOKE_PE); } if (is_set(input_register, R_CIB_CONNECTED)) { crm_trace("%s %.16llx (R_CIB_CONNECTED)", text, R_CIB_CONNECTED); } if (is_set(input_register, R_PE_CONNECTED)) { crm_trace("%s %.16llx (R_PE_CONNECTED)", text, R_PE_CONNECTED); } if (is_set(input_register, R_TE_CONNECTED)) { crm_trace("%s %.16llx (R_TE_CONNECTED)", text, R_TE_CONNECTED); } if (is_set(input_register, R_LRM_CONNECTED)) { crm_trace("%s %.16llx (R_LRM_CONNECTED)", text, R_LRM_CONNECTED); } if (is_set(input_register, R_CIB_REQUIRED)) { crm_trace("%s %.16llx (R_CIB_REQUIRED)", text, R_CIB_REQUIRED); } if (is_set(input_register, R_PE_REQUIRED)) { crm_trace("%s %.16llx (R_PE_REQUIRED)", text, R_PE_REQUIRED); } if (is_set(input_register, R_TE_REQUIRED)) { crm_trace("%s %.16llx (R_TE_REQUIRED)", text, R_TE_REQUIRED); } if (is_set(input_register, R_REQ_PEND)) { crm_trace("%s %.16llx (R_REQ_PEND)", text, R_REQ_PEND); } if (is_set(input_register, R_PE_PEND)) { crm_trace("%s %.16llx (R_PE_PEND)", text, R_PE_PEND); } if (is_set(input_register, R_TE_PEND)) { crm_trace("%s %.16llx (R_TE_PEND)", text, R_TE_PEND); } if (is_set(input_register, R_RESP_PEND)) { crm_trace("%s %.16llx (R_RESP_PEND)", text, R_RESP_PEND); } if (is_set(input_register, R_CIB_DONE)) { crm_trace("%s %.16llx (R_CIB_DONE)", text, R_CIB_DONE); } if (is_set(input_register, R_HAVE_CIB)) { crm_trace("%s %.16llx (R_HAVE_CIB)", text, R_HAVE_CIB); } if (is_set(input_register, R_CIB_ASKED)) { crm_trace("%s %.16llx (R_CIB_ASKED)", text, R_CIB_ASKED); } if (is_set(input_register, R_MEMBERSHIP)) { crm_trace("%s %.16llx (R_MEMBERSHIP)", text, R_MEMBERSHIP); } if (is_set(input_register, R_PEER_DATA)) { crm_trace("%s %.16llx (R_PEER_DATA)", text, R_PEER_DATA); } if (is_set(input_register, R_IN_RECOVERY)) { crm_trace("%s %.16llx (R_IN_RECOVERY)", text, R_IN_RECOVERY); } } void fsa_dump_actions(long long action, const char *text) { if (is_set(action, A_READCONFIG)) { crm_trace("Action %.16llx (A_READCONFIG) %s", A_READCONFIG, text); } if (is_set(action, A_STARTUP)) { crm_trace("Action %.16llx (A_STARTUP) %s", A_STARTUP, text); } if (is_set(action, A_STARTED)) { crm_trace("Action %.16llx (A_STARTED) %s", A_STARTED, text); } if (is_set(action, A_HA_CONNECT)) { crm_trace("Action %.16llx (A_CONNECT) %s", A_HA_CONNECT, text); } if (is_set(action, A_HA_DISCONNECT)) { crm_trace("Action %.16llx (A_DISCONNECT) %s", A_HA_DISCONNECT, text); } if (is_set(action, A_LRM_CONNECT)) { crm_trace("Action %.16llx (A_LRM_CONNECT) %s", A_LRM_CONNECT, text); } if (is_set(action, A_LRM_EVENT)) { crm_trace("Action %.16llx (A_LRM_EVENT) %s", A_LRM_EVENT, text); } if (is_set(action, A_LRM_INVOKE)) { crm_trace("Action %.16llx (A_LRM_INVOKE) %s", A_LRM_INVOKE, text); } if (is_set(action, A_LRM_DISCONNECT)) { crm_trace("Action %.16llx (A_LRM_DISCONNECT) %s", A_LRM_DISCONNECT, text); } if (is_set(action, A_DC_TIMER_STOP)) { crm_trace("Action %.16llx (A_DC_TIMER_STOP) %s", A_DC_TIMER_STOP, text); } if (is_set(action, A_DC_TIMER_START)) { crm_trace("Action %.16llx (A_DC_TIMER_START) %s", A_DC_TIMER_START, text); } if (is_set(action, A_INTEGRATE_TIMER_START)) { crm_trace("Action %.16llx (A_INTEGRATE_TIMER_START) %s", A_INTEGRATE_TIMER_START, text); } if (is_set(action, A_INTEGRATE_TIMER_STOP)) { crm_trace("Action %.16llx (A_INTEGRATE_TIMER_STOP) %s", A_INTEGRATE_TIMER_STOP, text); } if (is_set(action, A_FINALIZE_TIMER_START)) { crm_trace("Action %.16llx (A_FINALIZE_TIMER_START) %s", A_FINALIZE_TIMER_START, text); } if (is_set(action, A_FINALIZE_TIMER_STOP)) { crm_trace("Action %.16llx (A_FINALIZE_TIMER_STOP) %s", A_FINALIZE_TIMER_STOP, text); } if (is_set(action, A_ELECTION_COUNT)) { crm_trace("Action %.16llx (A_ELECTION_COUNT) %s", A_ELECTION_COUNT, text); } if (is_set(action, A_ELECTION_VOTE)) { crm_trace("Action %.16llx (A_ELECTION_VOTE) %s", A_ELECTION_VOTE, text); } if (is_set(action, A_ELECTION_CHECK)) { crm_trace("Action %.16llx (A_ELECTION_CHECK) %s", A_ELECTION_CHECK, text); } if (is_set(action, A_CL_JOIN_ANNOUNCE)) { crm_trace("Action %.16llx (A_CL_JOIN_ANNOUNCE) %s", A_CL_JOIN_ANNOUNCE, text); } if (is_set(action, A_CL_JOIN_REQUEST)) { crm_trace("Action %.16llx (A_CL_JOIN_REQUEST) %s", A_CL_JOIN_REQUEST, text); } if (is_set(action, A_CL_JOIN_RESULT)) { crm_trace("Action %.16llx (A_CL_JOIN_RESULT) %s", A_CL_JOIN_RESULT, text); } if (is_set(action, A_DC_JOIN_OFFER_ALL)) { crm_trace("Action %.16llx (A_DC_JOIN_OFFER_ALL) %s", A_DC_JOIN_OFFER_ALL, text); } if (is_set(action, A_DC_JOIN_OFFER_ONE)) { crm_trace("Action %.16llx (A_DC_JOIN_OFFER_ONE) %s", A_DC_JOIN_OFFER_ONE, text); } if (is_set(action, A_DC_JOIN_PROCESS_REQ)) { crm_trace("Action %.16llx (A_DC_JOIN_PROCESS_REQ) %s", A_DC_JOIN_PROCESS_REQ, text); } if (is_set(action, A_DC_JOIN_PROCESS_ACK)) { crm_trace("Action %.16llx (A_DC_JOIN_PROCESS_ACK) %s", A_DC_JOIN_PROCESS_ACK, text); } if (is_set(action, A_DC_JOIN_FINALIZE)) { crm_trace("Action %.16llx (A_DC_JOIN_FINALIZE) %s", A_DC_JOIN_FINALIZE, text); } if (is_set(action, A_MSG_PROCESS)) { crm_trace("Action %.16llx (A_MSG_PROCESS) %s", A_MSG_PROCESS, text); } if (is_set(action, A_MSG_ROUTE)) { crm_trace("Action %.16llx (A_MSG_ROUTE) %s", A_MSG_ROUTE, text); } if (is_set(action, A_RECOVER)) { crm_trace("Action %.16llx (A_RECOVER) %s", A_RECOVER, text); } if (is_set(action, A_DC_RELEASE)) { crm_trace("Action %.16llx (A_DC_RELEASE) %s", A_DC_RELEASE, text); } if (is_set(action, A_DC_RELEASED)) { crm_trace("Action %.16llx (A_DC_RELEASED) %s", A_DC_RELEASED, text); } if (is_set(action, A_DC_TAKEOVER)) { crm_trace("Action %.16llx (A_DC_TAKEOVER) %s", A_DC_TAKEOVER, text); } if (is_set(action, A_SHUTDOWN)) { crm_trace("Action %.16llx (A_SHUTDOWN) %s", A_SHUTDOWN, text); } if (is_set(action, A_SHUTDOWN_REQ)) { crm_trace("Action %.16llx (A_SHUTDOWN_REQ) %s", A_SHUTDOWN_REQ, text); } if (is_set(action, A_STOP)) { crm_trace("Action %.16llx (A_STOP ) %s", A_STOP, text); } if (is_set(action, A_EXIT_0)) { crm_trace("Action %.16llx (A_EXIT_0) %s", A_EXIT_0, text); } if (is_set(action, A_EXIT_1)) { crm_trace("Action %.16llx (A_EXIT_1) %s", A_EXIT_1, text); } if (is_set(action, A_CCM_CONNECT)) { crm_trace("Action %.16llx (A_CCM_CONNECT) %s", A_CCM_CONNECT, text); } if (is_set(action, A_CCM_DISCONNECT)) { crm_trace("Action %.16llx (A_CCM_DISCONNECT) %s", A_CCM_DISCONNECT, text); } if (is_set(action, A_CIB_START)) { crm_trace("Action %.16llx (A_CIB_START) %s", A_CIB_START, text); } if (is_set(action, A_CIB_STOP)) { crm_trace("Action %.16llx (A_CIB_STOP) %s", A_CIB_STOP, text); } if (is_set(action, A_TE_INVOKE)) { crm_trace("Action %.16llx (A_TE_INVOKE) %s", A_TE_INVOKE, text); } if (is_set(action, A_TE_START)) { crm_trace("Action %.16llx (A_TE_START) %s", A_TE_START, text); } if (is_set(action, A_TE_STOP)) { crm_trace("Action %.16llx (A_TE_STOP) %s", A_TE_STOP, text); } if (is_set(action, A_TE_CANCEL)) { crm_trace("Action %.16llx (A_TE_CANCEL) %s", A_TE_CANCEL, text); } if (is_set(action, A_PE_INVOKE)) { crm_trace("Action %.16llx (A_PE_INVOKE) %s", A_PE_INVOKE, text); } if (is_set(action, A_PE_START)) { crm_trace("Action %.16llx (A_PE_START) %s", A_PE_START, text); } if (is_set(action, A_PE_STOP)) { crm_trace("Action %.16llx (A_PE_STOP) %s", A_PE_STOP, text); } if (is_set(action, A_NODE_BLOCK)) { crm_trace("Action %.16llx (A_NODE_BLOCK) %s", A_NODE_BLOCK, text); } if (is_set(action, A_UPDATE_NODESTATUS)) { crm_trace("Action %.16llx (A_UPDATE_NODESTATUS) %s", A_UPDATE_NODESTATUS, text); } if (is_set(action, A_LOG)) { crm_trace("Action %.16llx (A_LOG ) %s", A_LOG, text); } if (is_set(action, A_ERROR)) { crm_trace("Action %.16llx (A_ERROR ) %s", A_ERROR, text); } if (is_set(action, A_WARN)) { crm_trace("Action %.16llx (A_WARN ) %s", A_WARN, text); } } gboolean update_dc(xmlNode * msg) { char *last_dc = fsa_our_dc; const char *dc_version = NULL; const char *welcome_from = NULL; if (msg != NULL) { gboolean invalid = FALSE; dc_version = crm_element_value(msg, F_CRM_VERSION); welcome_from = crm_element_value(msg, F_CRM_HOST_FROM); CRM_CHECK(dc_version != NULL, return FALSE); CRM_CHECK(welcome_from != NULL, return FALSE); if (AM_I_DC && safe_str_neq(welcome_from, fsa_our_uname)) { invalid = TRUE; } else if (fsa_our_dc && safe_str_neq(welcome_from, fsa_our_dc)) { invalid = TRUE; } if (invalid) { CRM_CHECK(fsa_our_dc != NULL, crm_err("We have no DC")); if (AM_I_DC) { crm_err("Not updating DC to %s (%s): we are also a DC", welcome_from, dc_version); } else { crm_warn("New DC %s is not %s", welcome_from, fsa_our_dc); } register_fsa_action(A_CL_JOIN_QUERY | A_DC_TIMER_START); return FALSE; } } free(fsa_our_dc_version); fsa_our_dc_version = NULL; fsa_our_dc = NULL; /* Free'd as last_dc */ if (welcome_from != NULL) { fsa_our_dc = strdup(welcome_from); } if (dc_version != NULL) { fsa_our_dc_version = strdup(dc_version); } if (safe_str_eq(fsa_our_dc, last_dc)) { /* do nothing */ } else if (fsa_our_dc != NULL) { crm_info("Set DC to %s (%s)", crm_str(fsa_our_dc), crm_str(fsa_our_dc_version)); } else if (last_dc != NULL) { crm_info("Unset DC. Was %s", crm_str(last_dc)); } free(last_dc); return TRUE; } #define STATUS_PATH_MAX 512 static void erase_xpath_callback(xmlNode * msg, int call_id, int rc, xmlNode * output, void *user_data) { char *xpath = user_data; do_crm_log_unlikely(rc == 0 ? LOG_DEBUG : LOG_NOTICE, "Deletion of \"%s\": %s (rc=%d)", xpath, pcmk_strerror(rc), rc); free(xpath); } void erase_status_tag(const char *uname, const char *tag, int options) { int rc = pcmk_ok; char xpath[STATUS_PATH_MAX]; int cib_opts = cib_quorum_override | cib_xpath | options; if (fsa_cib_conn && uname) { snprintf(xpath, STATUS_PATH_MAX, "//node_state[@uname='%s']/%s", uname, tag); crm_info("Deleting xpath: %s", xpath); rc = fsa_cib_conn->cmds->delete(fsa_cib_conn, xpath, NULL, cib_opts); fsa_register_cib_callback(rc, FALSE, strdup(xpath), erase_xpath_callback); } } crm_ipc_t *attrd_ipc = NULL; static int update_without_attrd(const char *host_uuid, const char *name, const char *value, const char *user_name) { if (fsa_cib_conn == NULL) { return -1; } crm_trace("updating status for host_uuid %s, %s=%s", host_uuid, name ? name : "", value ? value : ""); return update_attr_delegate(fsa_cib_conn, cib_none, XML_CIB_TAG_STATUS, host_uuid, NULL, NULL, NULL, name, value, FALSE, user_name); } void update_attrd(const char *host, const char *name, const char *value, const char *user_name, gboolean is_remote_node) { gboolean rc; int max = 5; /* TODO eventually we will want to update/replace the attrd with * something that can handle remote nodes as well as cluster nodes */ if (is_remote_node) { /* host is required for updating a remote node */ CRM_CHECK(host != NULL, return;); /* remote node uname and uuid are equal */ if (update_without_attrd(host, name, value, user_name) < pcmk_ok) { crm_err("Could not update attribute %s for remote-node %s", name, host); } return; } if (attrd_ipc == NULL) { attrd_ipc = crm_ipc_new(T_ATTRD, 0); } do { if (crm_ipc_connected(attrd_ipc) == FALSE) { crm_ipc_close(attrd_ipc); crm_info("Connecting to attrd... %d retries remaining", max); crm_ipc_connect(attrd_ipc); } rc = attrd_update_delegate(attrd_ipc, 'U', host, name, value, XML_CIB_TAG_STATUS, NULL, NULL, user_name); if (rc == pcmk_ok) { break; } else if (rc != -EAGAIN && rc != -EALREADY) { crm_info("Disconnecting from attrd: %s (%d)", pcmk_strerror(rc), rc); crm_ipc_close(attrd_ipc); } sleep(5 - max); } while (max--); if (rc != pcmk_ok) { if (name) { crm_err("Could not send attrd %s update%s: %s (%d)", name, is_set(fsa_input_register, R_SHUTDOWN) ? " at shutdown" : "", pcmk_strerror(rc), rc); } else { crm_err("Could not send attrd refresh%s: %s (%d)", is_set(fsa_input_register, R_SHUTDOWN) ? " at shutdown" : "", pcmk_strerror(rc), rc); } if (is_set(fsa_input_register, R_SHUTDOWN)) { register_fsa_input(C_FSA_INTERNAL, I_FAIL, NULL); } } } pacemaker-master/cts/000077500000000000000000000000001217637305600151025ustar00rootroot00000000000000pacemaker-master/cts/CIB.py000066400000000000000000000511301217637305600160510ustar00rootroot00000000000000'''CTS: Cluster Testing System: CIB generator ''' __copyright__=''' Author: Andrew Beekhof Copyright (C) 2008 Andrew Beekhof ''' from UserDict import UserDict import sys, time, types, syslog, os, struct, string, signal, traceback, warnings, socket from cts.CTSvars import * from cts.CTS import ClusterManager class CibBase: cts_cib = None version = "unknown" feature_set = "unknown" Factory = None def __init__(self, CM, factory, tmpfile=None): self.CM = CM self.Factory = factory if not tmpfile: warnings.filterwarnings("ignore") tmpfile=os.tmpnam() warnings.resetwarnings() self.Factory.tmpfile = tmpfile def version(self): return self.version def NextIP(self): fields = string.split(self.CM.Env["IPBase"], '.') fields[3] = str(int(fields[3])+1) ip = string.join(fields, '.') self.CM.Env["IPBase"] = ip return ip class CibXml: def __init__(self, Factory, tag, _id, **kwargs): self.tag = tag self.name = _id self.kwargs = kwargs self.children = [] self.Factory = Factory def add_child(self, child): self.children.append(child) def __setitem__(self, key, value): self.kwargs[key] = value def show(self): text = '''<%s''' % self.tag if self.name: text += ''' id="%s"''' % (self.name) for k in self.kwargs.keys(): text += ''' %s="%s"''' % (k, self.kwargs[k]) if not self.children: text += '''/>''' return text text += '''>''' for c in self.children: text += c.show() text += '''''' % self.tag return text def _run(self, operation, xml, section="all", options=""): self.Factory.debug("Writing out %s" % self.name) fixed = "HOME=/root CIB_file="+self.Factory.tmpfile fixed += " cibadmin --%s --scope %s %s --xml-text '%s'" % (operation, section, options, xml) rc = self.Factory.rsh(self.Factory.target, fixed) if rc != 0: self.Factory.log("Configure call failed: "+fixed) sys.exit(1) class FencingTopology(CibXml): def __init__(self, Factory): CibXml.__init__(self, Factory, "fencing-topology", None) def level(self, index, node, devices): self.add_child(CibXml(self.Factory, "fencing-level", "cts-%s.%d" % (node, index), target=node, index=index, devices=devices)) def commit(self): self._run("create", self.show(), "configuration", "--allow-create") class Option(CibXml): def __init__(self, Factory, name=None, value=None, section="cib-bootstrap-options"): CibXml.__init__(self, Factory, "cluster_property_set", section) if name and value: self.add_child(CibXml(Factory, "nvpair", "cts-%s" % name, name=name, value=value)) def __setitem__(self, key, value): self.add_child(CibXml(self.Factory, "nvpair", "cts-%s" % key, name=key, value=value)) def commit(self): self._run("modify", self.show(), "crm_config", "--allow-create") class Expression(CibXml): def __init__(self, Factory, name, attr, op, value=None): CibXml.__init__(self, Factory, "expression", name, attribute=attr, operation=op) if value: self["value"] = value class Rule(CibXml): def __init__(self, Factory, name, score, op="and", expr=None): CibXml.__init__(self, Factory, "rule", "%s" % name) self["boolean-op"] = op self["score"] = score if expr: self.add_child(expr) class Resource(CibXml): def __init__(self, Factory, name, rtype, standard, provider=None): CibXml.__init__(self, Factory, "native", name) self.rtype = rtype self.standard = standard self.provider = provider self.op=[] self.meta={} self.param={} self.scores={} self.needs={} self.coloc={} if self.standard == "ocf" and not provider: self.provider = "heartbeat" elif self.standard == "lsb": self.provider = None def __setitem__(self, key, value): self.add_param(key, value) def add_op(self, name, interval, **kwargs): self.op.append( CibXml(self.Factory, "op", "%s-%s" % (name, interval), name=name, interval=interval, **kwargs)) def add_param(self, name, value): self.param[name] = value def add_meta(self, name, value): self.meta[name] = value def prefer(self, node, score="INFINITY", rule=None): if not rule: rule = Rule(self.Factory, "prefer-%s-r" % node, score, expr=Expression(self.Factory, "prefer-%s-e" % node, "#uname", "eq", node)) self.scores[node] = rule def after(self, resource, kind="Mandatory", first="start", then="start", **kwargs): kargs = kwargs.copy() kargs["kind"] = kind if then: kargs["first-action"] = "start" kargs["then-action"] = then if first: kargs["first-action"] = first self.needs[resource] = kargs def colocate(self, resource, score="INFINITY", role=None, withrole=None, **kwargs): kargs = kwargs.copy() kargs["score"] = score if role: kargs["rsc-role"] = role if withrole: kargs["with-rsc-role"] = withrole self.coloc[resource] = kargs def constraints(self): text = "" for k in self.scores.keys(): text += '''''' % (k, self.name) text += self.scores[k].show() text += '''''' for k in self.needs.keys(): text += '''''' for k in self.coloc.keys(): text += '''''' text += "" return text def show(self): text = '''''' if len(self.meta) > 0: text += '''''' % self.name for p in self.meta.keys(): text += '''''' % (self.name, p, p, self.meta[p]) text += '''''' if len(self.param) > 0: text += '''''' % self.name for p in self.param.keys(): text += '''''' % (self.name, p, p, self.param[p]) text += '''''' if len(self.op) > 0: text += '''''' for o in self.op: key = o.name o.name = "%s-%s" % (self.name, key) text += o.show() o.name = key text += '''''' text += '''''' return text def commit(self): self._run("create", self.show(), "resources") self._run("modify", self.constraints()) class Group(Resource): def __init__(self, Factory, name): Resource.__init__(self, Factory, name, None, None) self.tag = "group" def __setitem__(self, key, value): self.add_meta(key, value) def show(self): text = '''<%s id="%s">''' % (self.tag, self.name) if len(self.meta) > 0: text += '''''' % self.name for p in self.meta.keys(): text += '''''' % (self.name, p, p, self.meta[p]) text += '''''' for c in self.children: text += c.show() text += '''''' % self.tag return text class Clone(Group): def __init__(self, Factory, name, child=None): Group.__init__(self, Factory, name) self.tag = "clone" if child: self.add_child(child) def add_child(self, resource): if not self.children: self.children.append(resource) else: self.Factory.log("Clones can only have a single child. Ignoring %s" % resource.name) class Master(Clone): def __init__(self, Factory, name, child=None): Clone.__init__(self, Factory, name, child) self.tag = "master" class CIB11(CibBase): feature_set = "3.0" version = "pacemaker-1.1" def _show(self, command=""): output = "" (rc, result) = self.Factory.rsh(self.Factory.target, "HOME=/root CIB_file="+self.Factory.tmpfile+" cibadmin -Ql "+command, None, ) for line in result: output += line self.Factory.debug("Generated Config: "+line) return output def NewIP(self, name=None, standard="ocf"): ip = self.NextIP() if not name: name = "r"+ip r = Resource(self.Factory, name, "IPaddr2", standard) r["ip"] = ip r["cidr_netmask"] = "32" r.add_op("monitor", "5s") return r def install(self, target): old = self.Factory.tmpfile # Force a rebuild self.cts_cib = None self.Factory.tmpfile = CTSvars.CRM_CONFIG_DIR+"/cib.xml" self.contents(target) self.Factory.rsh(self.Factory.target, "chown "+CTSvars.CRM_DAEMON_USER+" "+self.Factory.tmpfile) self.Factory.tmpfile = old def contents(self, target=None): # fencing resource if self.cts_cib: return self.cts_cib if target: self.Factory.target = target self.Factory.rsh(self.Factory.target, "HOME=/root cibadmin --empty %s > %s" % (self.version, self.Factory.tmpfile)) #cib_base = self.cib_template % (self.feature_set, self.version, ''' remote-tls-port='9898' remote-clear-port='9999' ''') nodelist = "" self.num_nodes = 0 for node in self.CM.Env["nodes"]: nodelist += node + " " self.num_nodes = self.num_nodes + 1 no_quorum = "stop" if self.num_nodes < 3: no_quorum = "ignore" self.Factory.log("Cluster only has %d nodes, configuring: no-quroum-policy=ignore" % self.num_nodes) # Fencing resource # Define first so that the shell doesn't reject every update if self.CM.Env["DoFencing"]: st = Resource(self.Factory, "Fencing", self.CM.Env["stonith-type"], "stonith") # Set a threshold for unreliable stonith devices such as the vmware one st.add_meta("migration-threshold", "5") st.add_op("monitor", "120s", timeout="120s") st.add_op("stop", "0", timeout="60s") st.add_op("start", "0", timeout="60s") entries = string.split(self.CM.Env["stonith-params"], ',') for entry in entries: (name, value) = string.split(entry, '=') if name == "hostlist" and value == "all": value = string.join(self.CM.Env["nodes"], " ") elif name == "pcmk_host_list" and value == "all": value = string.join(self.CM.Env["nodes"], " ") st[name] = value st.commit() # Test advanced fencing logic if True: stf_nodes = [] stt_nodes = [] # Create the levels stl = FencingTopology(self.Factory) for node in self.CM.Env["nodes"]: ftype = self.CM.Env.RandomGen.choice(["levels-and", "levels-or ", "broadcast "]) self.CM.log(" - Using %s fencing for node: %s" % (ftype, node)) if ftype == "levels-and": stl.level(1, node, "FencingPass,Fencing") stt_nodes.append(node) elif ftype == "levels-or ": stl.level(1, node, "FencingFail") stl.level(2, node, "Fencing") stf_nodes.append(node) # Create a Dummy agent that always passes for levels-and if len(stt_nodes): self.CM.install_helper("fence_dummy", destdir="/usr/sbin", sourcedir=CTSvars.Fencing_home) stt = Resource(self.Factory, "FencingPass", "fence_dummy", "stonith") stt["pcmk_host_list"] = string.join(stt_nodes, " ") # Wait this many seconds before doing anything, handy for letting disks get flushed too stt["delay"] = "20" stt["random_sleep_range"] = "10" stt["mode"] = "pass" stt.commit() # Create a Dummy agent that always fails for levels-or if len(stf_nodes): self.CM.install_helper("fence_dummy", destdir="/usr/sbin", sourcedir=CTSvars.Fencing_home) stf = Resource(self.Factory, "FencingFail", "fence_dummy", "stonith") stf["pcmk_host_list"] = string.join(stf_nodes, " ") # Wait this many seconds before doing anything, handy for letting disks get flushed too stf["delay"] = "20" stf["random_sleep_range"] = "30" stf["mode"] = "fail" stf.commit() # Now commit the levels themselves stl.commit() o = Option(self.Factory, "stonith-enabled", self.CM.Env["DoFencing"]) o["start-failure-is-fatal"] = "false" o["pe-input-series-max"] = "5000" o["default-action-timeout"] = "90s" o["shutdown-escalation"] = "5min" o["batch-limit"] = "10" o["dc-deadtime"] = "5s" o["no-quorum-policy"] = no_quorum o["expected-quorum-votes"] = self.num_nodes if self.CM.Env["DoBSC"] == 1: o["ident-string"] = "Linux-HA TEST configuration file - REMOVEME!!" o.commit() # Add resources? if self.CM.Env["CIBResource"] == 1: self.add_resources() if self.CM.cluster_monitor == 1: mon = Resource(self.Factory, "cluster_mon", "ocf", "ClusterMon", "pacemaker") mon.add_op("start", "0", requires="nothing") mon.add_op("monitor", "5s", requires="nothing") mon["update"] = "10" mon["extra_options"] = "-r -n" mon["user"] = "abeekhof" mon["htmlfile"] = "/suse/abeekhof/Export/cluster.html" mon.commit() #self._create('''location prefer-dc cluster_mon rule -INFINITY: \#is_dc eq false''') # generate cib self.cts_cib = self._show() if self.Factory.tmpfile != CTSvars.CRM_CONFIG_DIR+"/cib.xml": self.Factory.rsh(self.Factory.target, "rm -f "+self.Factory.tmpfile) return self.cts_cib def add_resources(self): # Per-node resources for node in self.CM.Env["nodes"]: name = "rsc_"+node r = self.NewIP(name) r.prefer(node, "100") r.commit() # Migrator # Make this slightly sticky (since we have no other location constraints) to avoid relocation during Reattach m = Resource(self.Factory, "migrator","Dummy", "ocf", "pacemaker") m.add_meta("resource-stickiness","1") m.add_meta("allow-migrate", "1") m.add_op("monitor", "P10S") m.commit() # Ping the test master p = Resource(self.Factory, "ping-1","ping", "ocf", "pacemaker") p.add_op("monitor", "60s") p["host_list"] = self.CM.Env["cts-master"] p["name"] = "connected" p["debug"] = "true" c = Clone(self.Factory, "Connectivity", p) c["globally-unique"] = "false" c.commit() #master slave resource s = Resource(self.Factory, "stateful-1", "Stateful", "ocf", "pacemaker") s.add_op("monitor", "15s", timeout="60s") s.add_op("monitor", "16s", timeout="60s", role="Master") ms = Master(self.Factory, "master-1", s) ms["clone-max"] = self.num_nodes ms["master-max"] = 1 ms["clone-node-max"] = 1 ms["master-node-max"] = 1 # Require conectivity to run the master r = Rule(self.Factory, "connected", "-INFINITY", op="or") r.add_child(Expression(self.Factory, "m1-connected-1", "connected", "lt", "1")) r.add_child(Expression(self.Factory, "m1-connected-2", "connected", "not_defined", None)) ms.prefer("connected", rule=r) ms.commit() # Group Resource g = Group(self.Factory, "group-1") g.add_child(self.NewIP()) g.add_child(self.NewIP()) g.add_child(self.NewIP()) # Group with the master g.after("master-1", first="promote", then="start") g.colocate("master-1", "INFINITY", withrole="Master") g.commit() # LSB resource lsb_agent = self.CM.install_helper("LSBDummy") lsb = Resource(self.Factory, "lsb-dummy",lsb_agent, "lsb") lsb.add_op("monitor", "5s") # LSB with group lsb.after("group-1") lsb.colocate("group-1") lsb.commit() class CIB12(CIB11): feature_set = "3.0" version = "pacemaker-1.2" #class HASI(CIB10): # def add_resources(self): # # DLM resource # self._create('''primitive dlm ocf:pacemaker:controld op monitor interval=120s''') # self._create('''clone dlm-clone dlm meta globally-unique=false interleave=true''') # O2CB resource # self._create('''primitive o2cb ocf:ocfs2:o2cb op monitor interval=120s''') # self._create('''clone o2cb-clone o2cb meta globally-unique=false interleave=true''') # self._create('''colocation o2cb-with-dlm INFINITY: o2cb-clone dlm-clone''') # self._create('''order start-o2cb-after-dlm mandatory: dlm-clone o2cb-clone''') class ConfigFactory: def __init__(self, CM): self.CM = CM self.rsh = self.CM.rsh self.register("pacemaker11", CIB11, CM, self) self.register("pacemaker12", CIB12, CM, self) # self.register("hae", HASI, CM, self) self.target = self.CM.Env["nodes"][0] self.tmpfile = None def log(self, args): self.CM.log("cib: %s" % args) def debug(self, args): self.CM.debug("cib: %s" % args) def register(self, methodName, constructor, *args, **kargs): """register a constructor""" _args = [constructor] _args.extend(args) setattr(self, methodName, apply(ConfigFactoryItem,_args, kargs)) def unregister(self, methodName): """unregister a constructor""" delattr(self, methodName) def createConfig(self, name="pacemaker-1.0"): if name == "pacemaker-1.0": name = "pacemaker10"; elif name == "pacemaker-1.1": name = "pacemaker11"; elif name == "pacemaker-1.2": name = "pacemaker12"; elif name == "hasi": name = "hae"; if hasattr(self, name): return getattr(self, name)() else: self.CM.log("Configuration variant '%s' is unknown. Defaulting to latest config" % name) return self.pacemaker12() class ConfigFactoryItem: def __init__(self, function, *args, **kargs): assert callable(function), "function should be a callable obj" self._function = function self._args = args self._kargs = kargs def __call__(self, *args, **kargs): """call function""" _args = list(self._args) _args.extend(args) _kargs = self._kargs.copy() _kargs.update(kargs) return apply(self._function,_args,_kargs) # Basic Sanity Testing if __name__ == '__main__': import CTSlab env = CTSlab.LabEnvironment() env["nodes"] = [] env["nodes"].append("pcmk-1") env["nodes"].append("pcmk-2") env["nodes"].append("pcmk-3") env["nodes"].append("pcmk-4") env["CIBResource"] = 1 env["IPBase"] = "10.0.0.10" env["DoStonith"]=1 env["stonith-type"] = "fence_xvm" env["stonith-params"] = "pcmk_arg_map=domain:uname" manager = ClusterManager(env) manager.cluster_monitor = False CibFactory = ConfigFactory(manager) cib = CibFactory.createConfig("pacemaker-1.1") print cib.contents() pacemaker-master/cts/CM_ais.py000066400000000000000000000505331217637305600166150ustar00rootroot00000000000000'''CTS: Cluster Testing System: AIS dependent modules... ''' __copyright__=''' Copyright (C) 2007 Andrew Beekhof ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import os, sys, warnings from cts.CTSvars import * from cts.CM_lha import crm_lha from cts.CTS import Process ####################################################################### # # LinuxHA v2 dependent modules # ####################################################################### class crm_ais(crm_lha): ''' The crm version 3 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running on top of openais ''' def __init__(self, Environment, randseed=None): crm_lha.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-ais", "EpocheCmd" : "crm_node -e --openais", "QuorumCmd" : "crm_node -q --openais", "ParitionCmd" : "crm_node -p --openais", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:ChildExit" : "Child process .* exited", # Bad news Regexes. Should never occur. "BadRegexes" : ( r" trace:", r"error:", r"crit:", r"ERROR:", r"CRIT:", r"Shutting down...NOW", r"Timer I_TERMINATE just popped", r"input=I_ERROR", r"input=I_FAIL", r"input=I_INTEGRATED cause=C_TIMER_POPPED", r"input=I_FINALIZED cause=C_TIMER_POPPED", r"input=I_ERROR", r", exiting\.", r"(WARN|warn).*Ignoring HA message.*vote.*not in our membership list", r"pengine.*Attempting recovery of resource", r"is taking more than 2x its timeout", r"Confirm not received from", r"Welcome reply not received from", r"Attempting to schedule .* after a stop", r"Resource .* was active at shutdown", r"duplicate entries for call_id", r"Search terminated:", r":global_timer_callback", r"Faking parameter digest creation", r"Parameters to .* action changed:", r"Parameters to .* changed", r"Child process .* terminated with signal", r"LogActions: Recover", r"rsyslogd.* imuxsock lost .* messages from pid .* due to rate-limiting", r"Peer is not part of our cluster", r"We appear to be in an election loop", r"Unknown node -> we will not deliver message", r"crm_write_blackbox", r"pacemakerd.*Could not connect to Cluster Configuration Database API", r"Recieving messages from a node we think is dead", r"share the same cluster nodeid", r"share the same name", #r"crm_ipc_send:.*Request .* failed", #r"crm_ipc_send:.*Sending to .* is disabled until pending reply is recieved", # Not inherently bad, but worth tracking #r"No need to invoke the TE", #r"ping.*: DEBUG: Updated connected = 0", #r"Digest mis-match:", r"te_graph_trigger: Transition failed: terminated", #r"Executing .* fencing operation", #r"fence_pcmk.* Call to fence", #r"fence_pcmk", r"cman killed by node", r"Election storm", r"stalled the FSA with pending inputs", ), }) def errorstoignore(self): # At some point implement a more elegant solution that # also produces a report at the end '''Return list of errors which are known and very noisey should be ignored''' if 1: return [ r"crm_mon:", r"crmadmin:", r"update_trace_data", r"async_notify: strange, client not found", r"Parse error: Ignoring unknown option .*nodename", r"error: log_operation: Operation 'reboot' .* with device 'FencingFail' returned:", r"Child process .* terminated with signal 9", ] return [] def NodeUUID(self, node): return node def ais_components(self): fullcomplist = {} self.complist = [] self.common_ignore = [ "Pending action:", "error: crm_log_message_adv:", "error: MSG: No message to dump", "resources were active at shutdown", "pending LRM operations at shutdown", "Lost connection to the CIB service", "Connection to the CIB terminated...", "Sending message to CIB service FAILED", "apply_xml_diff: Diff application failed!", "crmd.*Action A_RECOVER .* not supported", "unconfirmed_actions: Waiting on .* unconfirmed actions", "cib_native_msgready: Message pending on command channel", "crmd.*do_exit: Performing A_EXIT_1 - forcefully exiting the CRMd", "verify_stopped: Resource .* was active at shutdown. You may ignore this error if it is unmanaged.", "error: attrd_connection_destroy: Lost connection to attrd", "info: te_fence_node: Executing .* fencing operation", "crm_write_blackbox:", # "error: native_create_actions: Resource .*stonith::.* is active on 2 nodes attempting recovery", # "error: process_pe_message: Transition .* ERRORs found during PE processing", ] cib_ignore = [ "lrmd.*error: crm_ipc_read: Connection to stonith-ng failed", "lrmd.*error: mainloop_gio_callback: Connection to stonith-ng.* closed", "lrmd.*error: stonith_connection_destroy_cb: LRMD lost STONITH connection", "lrmd.*error: stonith_connection_failed: STONITH connection failed, finalizing .* pending operations", ] fullcomplist["cib"] = Process(self, "cib", pats = [ "State transition .* S_RECOVERY", "Respawning .* crmd", "Respawning .* attrd", "error: crm_ipc_read: Connection to cib_.* failed", "error: mainloop_gio_callback: Connection to cib_.* closed", "Connection to the CIB terminated...", "Child process crmd .* exited: Generic Pacemaker error", "Child process attrd .* exited: Transport endpoint is not connected", "crmd.*Input I_TERMINATE from do_recover", "crmd.*I_ERROR.*crmd_cib_connection_destroy", "crmd.*Could not recover from internal error", ], badnews_ignore = cib_ignore, common_ignore = self.common_ignore) fullcomplist["lrmd"] = Process(self, "lrmd", pats = [ "State transition .* S_RECOVERY", "LRM Connection failed", "Respawning .* crmd", "error: crm_ipc_read: Connection to lrmd failed", "error: mainloop_gio_callback: Connection to lrmd.* closed", "crmd.*I_ERROR.*lrm_connection_destroy", "Child process crmd .* exited: Generic Pacemaker error", "crmd.*Input I_TERMINATE from do_recover", "crmd.* Could not recover from internal error", ], badnews_ignore = self.common_ignore) fullcomplist["crmd"] = Process(self, "crmd", pats = [ # "WARN: determine_online_status: Node .* is unclean", # "Scheduling Node .* for STONITH", # "Executing .* fencing operation", # Only if the node wasn't the DC: "State transition S_IDLE", "State transition .* -> S_IDLE", ], badnews_ignore = self.common_ignore) fullcomplist["attrd"] = Process(self, "attrd", pats = [ ], badnews_ignore = self.common_ignore) fullcomplist["pengine"] = Process(self, "pengine", dc_pats = [ "State transition .* S_RECOVERY", "Respawning .* crmd", "Child process crmd .* exited: Generic Pacemaker error", "crm_ipc_read: Connection to pengine failed", "error: mainloop_gio_callback: Connection to pengine.* closed", "crit: pe_ipc_destroy: Connection to the Policy Engine failed", "crmd.*I_ERROR.*save_cib_contents", "crmd.*Input I_TERMINATE from do_recover", "crmd.* Could not recover from internal error", ], badnews_ignore = self.common_ignore) stonith_ignore = [ "LogActions: Recover Fencing", "update_failcount: Updating failcount for Fencing", "error: te_connect_stonith: Sign-in failed: triggered a retry", "stonith_connection_failed: STONITH connection failed, finalizing .* pending operations.", "process_lrm_event: LRM operation Fencing.* Error" ] stonith_ignore.extend(self.common_ignore) fullcomplist["stonith-ng"] = Process(self, "stonith-ng", process="stonithd", pats = [ "crm_ipc_read: Connection to stonith-ng failed", "stonith_connection_destroy_cb: LRMD lost STONITH connection", "mainloop_gio_callback: Connection to stonith-ng.* closed", "tengine_stonith_connection_destroy: Fencing daemon connection failed", "crmd.*stonith_api_add_notification: Callback already present", ], badnews_ignore = stonith_ignore) vgrind = self.Env["valgrind-procs"].split() for key in fullcomplist.keys(): if self.Env["valgrind-tests"]: if key in vgrind: # Processes running under valgrind can't be shot with "killall -9 processname" self.log("Filtering %s from the component list as it is being profiled by valgrind" % key) continue if key == "stonith-ng" and not self.Env["DoFencing"]: continue self.complist.append(fullcomplist[key]) #self.complist = [ fullcomplist["pengine"] ] return self.complist class crm_whitetank(crm_ais): ''' The crm version 3 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running on top of openais ''' def __init__(self, Environment, randseed=None): crm_ais.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-whitetank", "StartCmd" : "service openais start", "StopCmd" : "service openais stop", "Pat:We_stopped" : "%s.*openais.*pcmk_shutdown: Shutdown complete", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:They_dead" : "openais:.*Node %s is now: lost", "Pat:ChildKilled" : "%s openais.*Child process %s terminated with signal 9", "Pat:ChildRespawn" : "%s openais.*Respawning failed child process: %s", "Pat:ChildExit" : "Child process .* exited", }) def Components(self): self.ais_components() aisexec_ignore = [ "error: ais_dispatch: Receiving message .* failed", "crmd.*I_ERROR.*crmd_cib_connection_destroy", "cib.*error: cib_cs_destroy: AIS connection terminated", #"crmd.*error: crm_ais_destroy: AIS connection terminated", "crmd.* Could not recover from internal error", "crmd.*I_TERMINATE.*do_recover", "attrd.*attrd_cs_destroy: Lost connection to Corosync service!", "stonithd.*error: Corosync connection terminated", ] aisexec_ignore.extend(self.common_ignore) self.complist.append(Process(self, "aisexec", pats = [ "error: ais_dispatch: AIS connection failed", "crmd.*error: do_exit: Could not recover from internal error", "pengine.*Scheduling Node .* for STONITH", "stonithd.*requests a STONITH operation RESET on node", "stonithd.*Succeeded to STONITH the node", ], badnews_ignore = aisexec_ignore)) class crm_cs_v0(crm_ais): ''' The crm version 3 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running against version 0 of our plugin ''' def __init__(self, Environment, randseed=None): crm_ais.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-plugin-v0", "StartCmd" : "service corosync start", "StopCmd" : "service corosync stop", # The next pattern is too early # "Pat:We_stopped" : "%s.*Service engine unloaded: Pacemaker Cluster Manager", # The next pattern would be preferred, but it doesn't always come out # "Pat:We_stopped" : "%s.*Corosync Cluster Engine exiting with status", "Pat:We_stopped" : "%s.*Service engine unloaded: corosync cluster quorum service", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:They_dead" : "corosync:.*Node %s is now: lost", "Pat:ChildKilled" : "%s corosync.*Child process %s terminated with signal 9", "Pat:ChildRespawn" : "%s corosync.*Respawning failed child process: %s", }) def Components(self): self.ais_components() corosync_ignore = [ r"error: pcmk_cpg_dispatch: Connection to the CPG API failed: Library error", r"pacemakerd.*error: pcmk_child_exit: Child process .* exited", r"cib.*error: cib_cs_destroy: Corosync connection lost", r"attrd.*error: attrd_cib_connection_destroy: Connection to the CIB terminated", r"stonith-ng.*error: stonith_peer_cs_destroy: Corosync connection terminated", r"error: pcmk_child_exit: Child process cib .* exited: Invalid argument", r"error: pcmk_child_exit: Child process attrd .* exited: Transport endpoint is not connected", r"error: pcmk_child_exit: Child process crmd .* exited: Link has been severed", r"lrmd.*error: crm_ipc_read: Connection to stonith-ng failed", r"lrmd.*error: mainloop_gio_callback: Connection to stonith-ng.* closed", r"lrmd.*error: stonith_connection_destroy_cb: LRMD lost STONITH connection", r"crmd.*do_state_transition: State transition .* S_RECOVERY", r"crmd.*error: do_log: FSA: Input I_ERROR", r"crmd.*error: do_log: FSA: Input I_TERMINATE", r"crmd.*error: pcmk_cman_dispatch: Connection to cman failed", r"crmd.*error: crmd_fast_exit: Could not recover from internal error", r"error: crm_ipc_read: Connection to cib_shm failed", r"error: mainloop_gio_callback: Connection to cib_shm.* closed", ] self.complist.append(Process(self, "corosync", pats = [ r"pacemakerd.*error: cfg_connection_destroy: Connection destroyed", r"pacemakerd.*error: mcp_cpg_destroy: Connection destroyed", r"attrd_cs_destroy: Lost connection to Corosync service!", r"stonith_peer_cs_destroy: Corosync connection terminated", r"cib_cs_destroy: Corosync connection lost! Exiting.", r"crmd_(cs|quorum)_destroy: connection terminated", r"pengine.*Scheduling Node .* for STONITH", r"tengine_stonith_notify: Peer .* was terminated .*: OK", ], badnews_ignore = corosync_ignore, common_ignore = self.common_ignore)) return self.complist class crm_cs_v1(crm_cs_v0): ''' The crm version 3 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running on top of version 1 of our plugin ''' def __init__(self, Environment, randseed=None): crm_cs_v0.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-plugin-v1", "StartCmd" : "service corosync start && service pacemaker start", "StopCmd" : "service pacemaker stop; service corosync stop", "EpocheCmd" : "crm_node -e", "QuorumCmd" : "crm_node -q", "ParitionCmd" : "crm_node -p", "Pat:We_stopped" : "%s.*Service engine unloaded: corosync cluster quorum service", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:They_dead" : "crmd.*Node %s\[.*state is now lost", "Pat:ChildKilled" : "%s pacemakerd.*Child process %s terminated with signal 9", "Pat:ChildRespawn" : "%s pacemakerd.*Respawning failed child process: %s", }) class crm_mcp(crm_cs_v0): ''' The crm version 4 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running on top of native corosync (no plugins) ''' def __init__(self, Environment, randseed=None): crm_cs_v0.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-mcp", "StartCmd" : "service corosync start && service pacemaker start", "StopCmd" : "service pacemaker stop; service corosync stop", "EpocheCmd" : "crm_node -e", "QuorumCmd" : "crm_node -q", "ParitionCmd" : "crm_node -p", # Close enough... "Corosync Cluster Engine exiting normally" isn't printed # reliably and there's little interest in doing anything it "Pat:We_stopped" : "%s.*Unloading all Corosync service engines", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:They_dead" : "crmd.*Node %s\[.*state is now lost", "Pat:ChildKilled" : "%s pacemakerd.*Child process %s terminated with signal 9", "Pat:ChildRespawn" : "%s pacemakerd.*Respawning failed child process: %s", "Pat:InfraUp" : "%s corosync.*Initializing transport", "Pat:PacemakerUp" : "%s pacemakerd.*Starting Pacemaker", }) class crm_cman(crm_cs_v0): ''' The crm version 3 cluster manager class. It implements the things we need to talk to and manipulate crm clusters running on top of openais ''' def __init__(self, Environment, randseed=None): crm_cs_v0.__init__(self, Environment, randseed=randseed) self.update({ "Name" : "crm-cman", "StartCmd" : "service pacemaker start", "StopCmd" : "service pacemaker stop", "EpocheCmd" : "crm_node -e --cman", "QuorumCmd" : "crm_node -q --cman", "ParitionCmd" : "crm_node -p --cman", "Pat:We_stopped" : "%s.*Unloading all Corosync service engines", "Pat:They_stopped" : "%s crmd.*Node %s\[.*state is now lost", "Pat:They_dead" : "crmd.*Node %s\[.*state is now lost", "Pat:ChildKilled" : "%s pacemakerd.*Child process %s terminated with signal 9", "Pat:ChildRespawn" : "%s pacemakerd.*Respawning failed child process: %s", }) pacemaker-master/cts/CM_lha.py000077500000000000000000000624241217637305600166120ustar00rootroot00000000000000'''CTS: Cluster Testing System: LinuxHA v2 dependent modules... ''' __copyright__=''' Author: Huang Zhen Copyright (C) 2004 International Business Machines Additional Audits, Revised Start action, Default Configuration: Copyright (C) 2004 Andrew Beekhof ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import os, sys, warnings from cts import CTS from cts.CTSvars import * from cts.CTS import * from cts.CIB import * from cts.CTStests import AuditResource try: from xml.dom.minidom import * except ImportError: sys.__stdout__.write("Python module xml.dom.minidom not found\n") sys.__stdout__.write("Please install python-xml or similar before continuing\n") sys.__stdout__.flush() sys.exit(1) ####################################################################### # # LinuxHA v2 dependent modules # ####################################################################### class crm_lha(ClusterManager): ''' The linux-ha version 2 cluster manager class. It implements the things we need to talk to and manipulate linux-ha version 2 clusters ''' def __init__(self, Environment, randseed=None): ClusterManager.__init__(self, Environment, randseed=randseed) #HeartbeatCM.__init__(self, Environment, randseed=randseed) self.fastfail = 0 self.clear_cache = 0 self.cib_installed = 0 self.config = None self.cluster_monitor = 0 self.use_short_names = 1 self.update({ "Name" : "crm-lha", "DeadTime" : 300, "StartTime" : 300, # Max time to start up "StableTime" : 30, "StartCmd" : "service heartbeat start > /dev/null 2>&1", "StopCmd" : "service heartbeat stop > /dev/null 2>&1", "StatusCmd" : "crmadmin -t 60000 -S %s 2>/dev/null", "EpocheCmd" : "crm_node -H -e", "QuorumCmd" : "crm_node -H -q", "ParitionCmd" : "crm_node -H -p", "CibQuery" : "cibadmin -Ql", "CibAddXml" : "cibadmin --modify -c --xml-text %s", "CibDelXpath" : "cibadmin --delete --xpath %s", # 300,000 == 5 minutes "RscRunning" : CTSvars.CRM_DAEMON_DIR + "/lrmd_test -R -r %s", "CIBfile" : "%s:"+CTSvars.CRM_CONFIG_DIR+"/cib.xml", "TmpDir" : "/tmp", "BreakCommCmd" : "iptables -A INPUT -s %s -j DROP >/dev/null 2>&1", "FixCommCmd" : "iptables -D INPUT -s %s -j DROP >/dev/null 2>&1", # tc qdisc add dev lo root handle 1: cbq avpkt 1000 bandwidth 1000mbit # tc class add dev lo parent 1: classid 1:1 cbq rate "$RATE"kbps allot 17000 prio 5 bounded isolated # tc filter add dev lo parent 1: protocol ip prio 16 u32 match ip dst 127.0.0.1 match ip sport $PORT 0xFFFF flowid 1:1 # tc qdisc add dev lo parent 1: netem delay "$LATENCY"msec "$(($LATENCY/4))"msec 10% 2> /dev/null > /dev/null "ReduceCommCmd" : "", "RestoreCommCmd" : "tc qdisc del dev lo root", "LogFileName" : Environment["LogFileName"], "UUIDQueryCmd" : "crmadmin -N", "MaintenanceModeOn" : "cibadmin --modify -c --xml-text ''", "MaintenanceModeOff" : "cibadmin --delete --xpath \"//nvpair[@name='maintenance-mode']\"", "StandbyCmd" : "crm_attribute -VQ -U %s -n standby -l forever -v %s 2>/dev/null", "StandbyQueryCmd" : "crm_attribute -QG -U %s -n standby -l forever -d off 2>/dev/null", # Patterns to look for in the log files for various occasions... "Pat:DC_IDLE" : "crmd.*State transition.*-> S_IDLE", # This wont work if we have multiple partitions "Pat:Local_started" : "%s .*The local CRM is operational", "Pat:Slave_started" : "%s .*State transition.*-> S_NOT_DC", "Pat:Master_started" : "%s .* State transition.*-> S_IDLE", "Pat:We_stopped" : "heartbeat.*%s.*Heartbeat shutdown complete", "Pat:Logd_stopped" : "%s logd:.*Exiting write process", "Pat:They_stopped" : "%s .*LOST:.* %s ", "Pat:They_dead" : "node %s.*: is dead", "Pat:TransitionComplete" : "Transition status: Complete: complete", "Pat:ChildKilled" : "%s heartbeat.*%s.*killed by signal 9", "Pat:ChildRespawn" : "%s heartbeat.*Respawning client.*%s", "Pat:ChildExit" : "(ERROR|error): Client .* exited with return code", "Pat:Fencing_start" : "Initiating remote operation .* for %s", "Pat:Fencing_ok" : "stonith.* remote_op_done: Operation .* of %s by .*: OK", # Bad news Regexes. Should never occur. "BadRegexes" : ( r" trace:", r"error:", r"crit:", r"ERROR:", r"CRIT:", r"Shutting down...NOW", r"Timer I_TERMINATE just popped", r"input=I_ERROR", r"input=I_FAIL", r"input=I_INTEGRATED cause=C_TIMER_POPPED", r"input=I_FINALIZED cause=C_TIMER_POPPED", r"input=I_ERROR", r", exiting\.", r"WARN.*Ignoring HA message.*vote.*not in our membership list", r"pengine.*Attempting recovery of resource", r"is taking more than 2x its timeout", r"Confirm not received from", r"Welcome reply not received from", r"Attempting to schedule .* after a stop", r"Resource .* was active at shutdown", r"duplicate entries for call_id", r"Search terminated:", r"No need to invoke the TE", r"global_timer_callback:", r"Faking parameter digest creation", r"Parameters to .* action changed:", r"Parameters to .* changed", ), }) if self.Env["DoBSC"]: del self["Pat:They_stopped"] del self["Pat:Logd_stopped"] self.Env["use_logd"] = 0 self._finalConditions() self.check_transitions = 0 self.check_elections = 0 self.CIBsync = {} self.CibFactory = ConfigFactory(self) self.cib = self.CibFactory.createConfig(self.Env["Schema"]) def errorstoignore(self): # At some point implement a more elegant solution that # also produces a report at the end '''Return list of errors which are known and very noisey should be ignored''' if 1: return [ "(ERROR|error): crm_abort: crm_glib_handler: ", "(ERROR|error): Message hist queue is filling up", "stonithd.*CRIT: external_hostlist: 'vmware gethosts' returned an empty hostlist", "stonithd.*(ERROR|error): Could not list nodes for stonith RA external/vmware.", "pengine.*Preventing .* from re-starting", ] return [] def install_config(self, node): if not self.ns.WaitForNodeToComeUp(node): self.log("Node %s is not up." % node) return None if not self.CIBsync.has_key(node) and self.Env["ClobberCIB"] == 1: self.CIBsync[node] = 1 self.rsh(node, "rm -f "+CTSvars.CRM_CONFIG_DIR+"/cib*") # Only install the CIB on the first node, all the other ones will pick it up from there if self.cib_installed == 1: return None self.cib_installed = 1 if self.Env["CIBfilename"] == None: self.log("Installing Generated CIB on node %s" %(node)) self.cib.install(node) else: self.log("Installing CIB (%s) on node %s" %(self.Env["CIBfilename"], node)) if 0 != self.rsh.cp(self.Env["CIBfilename"], "root@" + (self["CIBfile"]%node)): raise ValueError("Can not scp file to %s %d"%(node)) self.rsh(node, "chown "+CTSvars.CRM_DAEMON_USER+" "+CTSvars.CRM_CONFIG_DIR+"/cib.xml") def prepare(self): '''Finish the Initialization process. Prepare to test...''' self.partitions_expected = 1 for node in self.Env["nodes"]: self.ShouldBeStatus[node] = "" self.unisolate_node(node) self.StataCM(node) def test_node_CM(self, node): '''Report the status of the cluster manager on a given node''' watchpats = [ ] watchpats.append("Current ping state: (S_IDLE|S_NOT_DC)") watchpats.append(self["Pat:Slave_started"]%node) watchpats.append(self["Pat:Master_started"]%node) idle_watch = CTS.LogWatcher(self.Env, self["LogFileName"], watchpats, "ClusterIdle", hosts=[node]) idle_watch.setwatch() out = self.rsh(node, self["StatusCmd"]%node, 1) self.debug("Node %s status: '%s'" %(node, out)) if not out or string.find(out, 'ok') < 0: if self.ShouldBeStatus[node] == "up": self.log( "Node status for %s is %s but we think it should be %s" %(node, "down", self.ShouldBeStatus[node])) self.ShouldBeStatus[node]="down" return 0 if self.ShouldBeStatus[node] == "down": self.log( "Node status for %s is %s but we think it should be %s: %s" %(node, "up", self.ShouldBeStatus[node], out)) self.ShouldBeStatus[node]="up" # check the output first - because syslog-ng looses messages if string.find(out, 'S_NOT_DC') != -1: # Up and stable return 2 if string.find(out, 'S_IDLE') != -1: # Up and stable return 2 # fall back to syslog-ng and wait if not idle_watch.look(): # just up self.debug("Warn: Node %s is unstable: %s" %(node, out)) return 1 # Up and stable return 2 # Is the node up or is the node down def StataCM(self, node): '''Report the status of the cluster manager on a given node''' if self.test_node_CM(node) > 0: return 1 return None # Being up and being stable is not the same question... def node_stable(self, node): '''Report the status of the cluster manager on a given node''' if self.test_node_CM(node) == 2: return 1 self.log("Warn: Node %s not stable" %(node)) return None def partition_stable(self, nodes, timeout=None): watchpats = [ ] watchpats.append("Current ping state: S_IDLE") watchpats.append(self["Pat:DC_IDLE"]) self.debug("Waiting for cluster stability...") if timeout == None: timeout = self["DeadTime"] if len(nodes) < 3: self.debug("Cluster is inactive") return 1 idle_watch = CTS.LogWatcher(self.Env, self["LogFileName"], watchpats, "ClusterStable", timeout, hosts=nodes.split()) idle_watch.setwatch() for node in nodes.split(): # have each node dump its current state self.rsh(node, self["StatusCmd"] %node, 1) ret = idle_watch.look() while ret: self.debug(ret) for node in nodes.split(): if re.search(node, ret): return 1 ret = idle_watch.look() self.debug("Warn: Partition %s not IDLE after %ds" % (repr(nodes), timeout)) return None def cluster_stable(self, timeout=None, double_check=False): partitions = self.find_partitions() for partition in partitions: if not self.partition_stable(partition, timeout): return None if double_check: # Make sure we are really stable and that all resources, # including those that depend on transient node attributes, # are started if they were going to be time.sleep(5) for partition in partitions: if not self.partition_stable(partition, timeout): return None return 1 def is_node_dc(self, node, status_line=None): rc = 0 if not status_line: status_line = self.rsh(node, self["StatusCmd"]%node, 1) if not status_line: rc = 0 elif string.find(status_line, 'S_IDLE') != -1: rc = 1 elif string.find(status_line, 'S_INTEGRATION') != -1: rc = 1 elif string.find(status_line, 'S_FINALIZE_JOIN') != -1: rc = 1 elif string.find(status_line, 'S_POLICY_ENGINE') != -1: rc = 1 elif string.find(status_line, 'S_TRANSITION_ENGINE') != -1: rc = 1 return rc def active_resources(self, node): # [SM].* {node} matches Started, Slave, Master # Stopped wont be matched as it wont include {node} (rc, output) = self.rsh(node, """crm_resource -c""", None) resources = [] for line in output: if re.search("^Resource", line): tmp = AuditResource(self, line) if tmp.type == "primitive" and tmp.host == node: resources.append(tmp.id) return resources def ResourceLocation(self, rid): ResourceNodes = [] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": cmd = self["RscRunning"] % (rid) (rc, lines) = self.rsh(node, cmd, None) if rc == 127: self.log("Command '%s' failed. Binary or pacemaker-cts package not installed?" % cmd) for line in lines: self.log("Output: "+line) elif rc == 0: ResourceNodes.append(node) return ResourceNodes def find_partitions(self): ccm_partitions = [] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": partition = self.rsh(node, self["ParitionCmd"], 1) if not partition: self.log("no partition details for %s" %node) elif len(partition) > 2: partition = partition[:-1] found=0 for a_partition in ccm_partitions: if partition == a_partition: found = 1 if found == 0: self.debug("Adding partition from %s: %s" %(node, partition)) ccm_partitions.append(partition) else: self.debug("Partition '%s' from %s is consistent with existing entries" %(partition, node)) else: self.log("bad partition details for %s" %node) else: self.debug("Node %s is down... skipping" %node) return ccm_partitions def HasQuorum(self, node_list): # If we are auditing a partition, then one side will # have quorum and the other not. # So the caller needs to tell us which we are checking # If no value for node_list is specified... assume all nodes if not node_list: node_list = self.Env["nodes"] for node in node_list: if self.ShouldBeStatus[node] == "up": quorum = self.rsh(node, self["QuorumCmd"], 1) if string.find(quorum, "1") != -1: return 1 elif string.find(quorum, "0") != -1: return 0 else: self.debug("WARN: Unexpected quorum test result from "+ node +":"+ quorum) return 0 def Components(self): complist = [] common_ignore = [ "Pending action:", "(ERROR|error): crm_log_message_adv:", "(ERROR|error): MSG: No message to dump", "pending LRM operations at shutdown", "Lost connection to the CIB service", "Connection to the CIB terminated...", "Sending message to CIB service FAILED", "Action A_RECOVER .* not supported", "(ERROR|error): stonithd_op_result_ready: not signed on", "pingd.*(ERROR|error): send_update: Could not send update", "send_ipc_message: IPC Channel to .* is not connected", "unconfirmed_actions: Waiting on .* unconfirmed actions", "cib_native_msgready: Message pending on command channel", "do_exit: Performing A_EXIT_1 - forcefully exiting the CRMd", "verify_stopped: Resource .* was active at shutdown. You may ignore this error if it is unmanaged.", ] stonith_ignore = [ "(ERROR|error): stonithd_signon: ", "update_failcount: Updating failcount for child_DoFencing", "(ERROR|error): te_connect_stonith: Sign-in failed: triggered a retry", "lrmd.*(ERROR|error): cl_get_value: wrong argument (reply)", "lrmd.*(ERROR|error): is_expected_msg:.* null message", "lrmd.*(ERROR|error): stonithd_receive_ops_result failed.", ] stonith_ignore.extend(common_ignore) ccm_ignore = [ "(ERROR|error): get_channel_token: No reply message - disconnected" ] ccm_ignore.extend(common_ignore) ccm = Process(self, "ccm", triggersreboot=self.fastfail, pats = [ "State transition .* S_RECOVERY", "CCM connection appears to have failed", "crmd.*Action A_RECOVER .* not supported", "crmd.*Input I_TERMINATE from do_recover", "Exiting to recover from CCM connection failure", "crmd.*do_exit: Could not recover from internal error", "crmd.*I_ERROR.*(ccm_dispatch|crmd_cib_connection_destroy)", "crmd.*exited with return code 2.", "attrd.*exited with return code 1.", "cib.*exited with return code 2.", # Not if it was fenced # "A new node joined the cluster", # "WARN: determine_online_status: Node .* is unclean", # "Scheduling Node .* for STONITH", # "Executing .* fencing operation", # "tengine_stonith_callback: .*result=0", # "Processing I_NODE_JOIN:.* cause=C_HA_MESSAGE", # "State transition S_.* -> S_INTEGRATION.*input=I_NODE_JOIN", "State transition S_STARTING -> S_PENDING", ], badnews_ignore = ccm_ignore) cib = Process(self, "cib", triggersreboot=self.fastfail, pats = [ "State transition .* S_RECOVERY", "Lost connection to the CIB service", "Connection to the CIB terminated...", "crmd.*Input I_TERMINATE from do_recover", "crmd.*I_ERROR.*crmd_cib_connection_destroy", "crmd.*do_exit: Could not recover from internal error", "crmd.*exited with return code 2.", "attrd.*exited with return code 1.", ], badnews_ignore = common_ignore) lrmd = Process(self, "lrmd", triggersreboot=self.fastfail, pats = [ "State transition .* S_RECOVERY", "LRM Connection failed", "crmd.*I_ERROR.*lrm_connection_destroy", "State transition S_STARTING -> S_PENDING", "crmd.*Input I_TERMINATE from do_recover", "crmd.*do_exit: Could not recover from internal error", "crmd.*exited with return code 2.", ], badnews_ignore = common_ignore) crmd = Process(self, "crmd", triggersreboot=self.fastfail, pats = [ # "WARN: determine_online_status: Node .* is unclean", # "Scheduling Node .* for STONITH", # "Executing .* fencing operation", # "tengine_stonith_callback: .*result=0", "State transition .* S_IDLE", "State transition S_STARTING -> S_PENDING", ], badnews_ignore = common_ignore) pengine = Process(self, "pengine", triggersreboot=self.fastfail, pats = [ "State transition .* S_RECOVERY", "crmd.*exited with return code 2.", "crmd.*Input I_TERMINATE from do_recover", "crmd.*do_exit: Could not recover from internal error", "crmd.*CRIT: pe_connection_destroy: Connection to the Policy Engine failed", "crmd.*I_ERROR.*save_cib_contents", "crmd.*exited with return code 2.", ], badnews_ignore = common_ignore, dc_only=1) if self.Env["DoFencing"] == 1 : complist.append(Process(self, "stoniths", triggersreboot=self.fastfail, dc_pats = [ "crmd.*CRIT: tengine_stonith_connection_destroy: Fencing daemon connection failed", "Attempting connection to fencing daemon", "te_connect_stonith: Connected", ], badnews_ignore = stonith_ignore)) if self.fastfail == 0: ccm.pats.extend([ "attrd .* exited with return code 1", "(ERROR|error): Respawning client .*attrd", "cib.* exited with return code 2", "(ERROR|error): Respawning client .*cib", "crmd.* exited with return code 2", "(ERROR|error): Respawning client .*crmd" ]) cib.pats.extend([ "attrd.* exited with return code 1", "(ERROR|error): Respawning client .*attrd", "crmd.* exited with return code 2", "(ERROR|error): Respawning client .*crmd" ]) lrmd.pats.extend([ "crmd.* exited with return code 2", "(ERROR|error): Respawning client .*crmd" ]) pengine.pats.extend([ "(ERROR|error): Respawning client .*crmd" ]) complist.append(ccm) complist.append(cib) complist.append(lrmd) complist.append(crmd) complist.append(pengine) return complist def NodeUUID(self, node): lines = self.rsh(node, self["UUIDQueryCmd"], 1) for line in lines: self.debug("UUIDLine:"+ line) m = re.search(r'%s.+\((.+)\)' % node, line) if m: return m.group(1) return "" def StandbyStatus(self, node): out=self.rsh(node, self["StandbyQueryCmd"]%node, 1) if not out: return "off" out = out[:-1] self.debug("Standby result: "+out) return out # status == "on" : Enter Standby mode # status == "off": Enter Active mode def SetStandbyMode(self, node, status): current_status = self.StandbyStatus(node) cmd = self["StandbyCmd"] % (node, status) ret = self.rsh(node, cmd) return True def AddDummyRsc(self, node, rid): rsc_xml = """ ' '""" % (rid, rid) constraint_xml = """ ' ' """ % (rid, node, node, rid) self.rsh(node, self['CibAddXml'] % (rsc_xml)) self.rsh(node, self['CibAddXml'] % (constraint_xml)) def RemoveDummyRsc(self, node, rid): constraint = "\"//rsc_location[@rsc='%s']\"" % (rid) rsc = "\"//primitive[@id='%s']\"" % (rid) self.rsh(node, self['CibDelXpath'] % constraint) self.rsh(node, self['CibDelXpath'] % rsc) ####################################################################### # # A little test code... # # Which you are advised to completely ignore... # ####################################################################### if __name__ == '__main__': pass pacemaker-master/cts/CTS.py000066400000000000000000001612731217637305600161170ustar00rootroot00000000000000'''CTS: Cluster Testing System: Main module Classes related to testing high-availability clusters... ''' __copyright__=''' Copyright (C) 2000, 2001 Alan Robertson Licensed under the GNU GPL. ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import types, string, select, sys, time, re, os, struct, signal import time, syslog, random, traceback, base64, pickle, binascii, fcntl from socket import gethostbyname_ex from UserDict import UserDict from subprocess import Popen,PIPE from cts.CTSvars import * from threading import Thread trace_rsh=None trace_lw=None has_log_stats = {} log_stats_bin = CTSvars.CRM_DAEMON_DIR + "/cts_log_stats.sh" log_stats = """ #!/bin/bash # Tool for generating system load reports while CTS runs f=$1; shift action=$1; shift base=`basename $0` if [ ! -e $f ]; then echo "Time, Load 1, Load 5, Load 15, Test Marker" > $f fi function killpid() { if [ -e $f.pid ]; then kill -9 `cat $f.pid` rm -f $f.pid fi } function status() { if [ -e $f.pid ]; then kill -0 `cat $f.pid` return $? else return 1 fi } function start() { # Is it already running? if status then return fi echo Active as $$ echo $$ > $f.pid while [ 1 = 1 ]; do uptime | sed s/up.*:/,/ | tr '\\n' ',' >> $f #top -b -c -n1 | grep -e usr/libexec/pacemaker | grep -v -e grep -e python | head -n 1 | sed s@/usr/libexec/pacemaker/@@ | awk '{print " 0, "$9", "$10", "$12}' | tr '\\n' ',' >> $f echo 0 >> $f sleep 5 done } case $action in start) start ;; stop) killpid ;; delete) killpid rm -f $f ;; mark) uptime | sed s/up.*:/,/ | tr '\\n' ',' >> $f echo " $*" >> $f start ;; *) echo "Unknown action: $action." ;; esac """ class CtsLab(UserDict): '''This class defines the Lab Environment for the Cluster Test System. It defines those things which are expected to change from test environment to test environment for the same cluster manager. It is where you define the set of nodes that are in your test lab what kind of reset mechanism you use, etc. This class is derived from a UserDict because we hold many different parameters of different kinds, and this provides provide a uniform and extensible interface useful for any kind of communication between the user/administrator/tester and CTS. At this point in time, it is the intent of this class to model static configuration and/or environmental data about the environment which doesn't change as the tests proceed. Well-known names (keys) are an important concept in this class. The HasMinimalKeys member function knows the minimal set of well-known names for the class. The following names are standard (well-known) at this time: nodes An array of the nodes in the cluster reset A ResetMechanism object logger An array of objects that log strings... CMclass The type of ClusterManager we are running (This is a class object, not a class instance) RandSeed Random seed. It is a triple of bytes. (optional) The CTS code ignores names it doesn't know about/need. The individual tests have access to this information, and it is perfectly acceptable to provide hints, tweaks, fine-tuning directions or other information to the tests through this mechanism. ''' def __init__(self): self.data = {} self.rsh = RemoteExec(self) self.RandomGen = random.Random() self.Scenario = None # Get a random seed for the random number generator. self["LogWatcher"] = "any" self["LogFileName"] = "/var/log/messages" self["OutputFile"] = None self["SyslogFacility"] = "daemon" self["CMclass"] = None self["logger"] = ([StdErrLog(self)]) self.SeedRandom() def SeedRandom(self, seed=None): if not seed: seed = int(time.time()) if self.has_key("RandSeed"): self.log("New random seed is: " + str(seed)) else: self.log("Random seed is: " + str(seed)) self["RandSeed"] = seed self.RandomGen.seed(str(seed)) def HasMinimalKeys(self): 'Return TRUE if our object has the minimal set of keys/values in it' result = 1 for key in self.MinimalKeys: if not self.has_key(key): result = None return result def log(self, args): "Log using each of the supplied logging methods" for logfcn in self._logfunctions: logfcn(string.strip(args)) def debug(self, args): "Log using each of the supplied logging methods" for logfcn in self._logfunctions: if logfcn.name() != "StdErrLog": logfcn("debug: %s" % string.strip(args)) def dump(self): keys = [] for key in self.keys(): keys.append(key) keys.sort() for key in keys: self.debug("Environment["+key+"]:\t"+str(self[key])) def run(self, Scenario, Iterations): if not Scenario: self.log("No scenario was defined") return 1 self.log("Cluster nodes: ") for node in self["nodes"]: self.log(" * %s" % (node)) self.StatsMark(0) if not Scenario.SetUp(): return 1 try : Scenario.run(Iterations) except : self.log("Exception by %s" % sys.exc_info()[0]) for logmethod in self["logger"]: traceback.print_exc(50, logmethod) Scenario.summarize() Scenario.TearDown() self.StatsExtract() return 1 #ClusterManager.oprofileSave(Iterations) Scenario.TearDown() self.StatsExtract() Scenario.summarize() if Scenario.Stats["failure"] > 0: return Scenario.Stats["failure"] elif Scenario.Stats["success"] != Iterations: self.log("No failure count but success != requested iterations") return 1 return 0 def __setitem__(self, key, value): '''Since this function gets called whenever we modify the dictionary (object), we can (and do) validate those keys that we know how to validate. For the most part, we know how to validate the "MinimalKeys" elements. ''' # # List of nodes in the system # if key == "nodes": self.Nodes = {} for node in value: # I don't think I need the IP address, etc. but this validates # the node name against /etc/hosts and/or DNS, so it's a # GoodThing(tm). try: self.Nodes[node] = gethostbyname_ex(node) except: print node+" not found in DNS... aborting" raise # # List of Logging Mechanism(s) # elif key == "logger": if len(value) < 1: raise ValueError("Must have at least one logging mechanism") for logger in value: if not callable(logger): raise ValueError("'logger' elements must be callable") self._logfunctions = value # # Cluster Manager Class # elif key == "CMclass": if value and not issubclass(value, ClusterManager): raise ValueError("'CMclass' must be a subclass of" " ClusterManager") # # Initial Random seed... # #elif key == "RandSeed": # if len(value) != 3: # raise ValueError("'Randseed' must be a 3-element list/tuple") # for elem in value: # if not isinstance(elem, types.IntType): # raise ValueError("'Randseed' list must all be ints") self.data[key] = value def IsValidNode(self, node): 'Return TRUE if the given node is valid' return self.Nodes.has_key(node) def __CheckNode(self, node): "Raise a ValueError if the given node isn't valid" if not self.IsValidNode(node): raise ValueError("Invalid node [%s] in CheckNode" % node) def RandomNode(self): '''Choose a random node from the cluster''' return self.RandomGen.choice(self["nodes"]) def StatsExtract(self): if not self["stats"]: return for host in self["nodes"]: log_stats_file = "%s/cts-stats.csv" % CTSvars.CRM_DAEMON_DIR if has_log_stats.has_key(host): self.rsh(host, '''bash %s %s stop''' % (log_stats_bin, log_stats_file)) (rc, lines) = self.rsh(host, '''cat %s''' % log_stats_file, stdout=2) self.rsh(host, '''bash %s %s delete''' % (log_stats_bin, log_stats_file)) fname = "cts-stats-%d-nodes-%s.csv" % (len(self["nodes"]), host) print "Extracted stats: %s" % fname fd = open(fname, "a") fd.writelines(lines) fd.close() def StatsMark(self, testnum): '''Mark the test number in the stats log''' global has_log_stats if not self["stats"]: return for host in self["nodes"]: log_stats_file = "%s/cts-stats.csv" % CTSvars.CRM_DAEMON_DIR if not has_log_stats.has_key(host): global log_stats global log_stats_bin script=log_stats #script = re.sub("\\\\", "\\\\", script) script = re.sub('\"', '\\\"', script) script = re.sub("'", "\'", script) script = re.sub("`", "\`", script) script = re.sub("\$", "\\\$", script) self.debug("Installing %s on %s" % (log_stats_bin, host)) self.rsh(host, '''echo "%s" > %s''' % (script, log_stats_bin), silent=True) self.rsh(host, '''bash %s %s delete''' % (log_stats_bin, log_stats_file)) has_log_stats[host] = 1 # Now mark it self.rsh(host, '''bash %s %s mark %s''' % (log_stats_bin, log_stats_file, testnum), synchronous=0) class Logger: TimeFormat = "%b %d %H:%M:%S\t" def __call__(self, lines): raise ValueError("Abstract class member (__call__)") def write(self, line): return self(line.rstrip()) def writelines(self, lines): for s in lines: self.write(s) return 1 def flush(self): return 1 def isatty(self): return None class SysLog(Logger): # http://docs.python.org/lib/module-syslog.html defaultsource="CTS" map = { "kernel": syslog.LOG_KERN, "user": syslog.LOG_USER, "mail": syslog.LOG_MAIL, "daemon": syslog.LOG_DAEMON, "auth": syslog.LOG_AUTH, "lpr": syslog.LOG_LPR, "news": syslog.LOG_NEWS, "uucp": syslog.LOG_UUCP, "cron": syslog.LOG_CRON, "local0": syslog.LOG_LOCAL0, "local1": syslog.LOG_LOCAL1, "local2": syslog.LOG_LOCAL2, "local3": syslog.LOG_LOCAL3, "local4": syslog.LOG_LOCAL4, "local5": syslog.LOG_LOCAL5, "local6": syslog.LOG_LOCAL6, "local7": syslog.LOG_LOCAL7, } def __init__(self, labinfo): if labinfo.has_key("syslogsource"): self.source=labinfo["syslogsource"] else: self.source=SysLog.defaultsource self.facility="daemon" if labinfo.has_key("SyslogFacility") and labinfo["SyslogFacility"]: if SysLog.map.has_key(labinfo["SyslogFacility"]): self.facility=labinfo["SyslogFacility"] else: raise ValueError("%s: bad syslog facility"%labinfo["SyslogFacility"]) self.facility=SysLog.map[self.facility] syslog.openlog(self.source, 0, self.facility) def setfacility(self, facility): self.facility = facility if SysLog.map.has_key(self.facility): self.facility=SysLog.map[self.facility] syslog.closelog() syslog.openlog(self.source, 0, self.facility) def __call__(self, lines): if isinstance(lines, types.StringType): syslog.syslog(lines) else: for line in lines: syslog.syslog(line) def name(self): return "Syslog" class StdErrLog(Logger): def __init__(self, labinfo): pass def __call__(self, lines): t = time.strftime(Logger.TimeFormat, time.localtime(time.time())) if isinstance(lines, types.StringType): sys.__stderr__.writelines([t, lines, "\n"]) else: for line in lines: sys.__stderr__.writelines([t, line, "\n"]) sys.__stderr__.flush() def name(self): return "StdErrLog" class FileLog(Logger): def __init__(self, labinfo, filename=None): if filename == None: filename=labinfo["LogFileName"] self.logfile=filename import os self.hostname = os.uname()[1]+" " self.source = "CTS: " def __call__(self, lines): fd = open(self.logfile, "a") t = time.strftime(Logger.TimeFormat, time.localtime(time.time())) if isinstance(lines, types.StringType): fd.writelines([t, self.hostname, self.source, lines, "\n"]) else: for line in lines: fd.writelines([t, self.hostname, self.source, line, "\n"]) fd.close() def name(self): return "FileLog" class AsyncWaitProc(Thread): def __init__(self, proc, node, command, Env): self.Env = Env self.proc = proc self.node = node self.command = command Thread.__init__(self) def log(self, args): if not self.Env: print (args) else: self.Env.log(args) def debug(self, args): if not self.Env: print (args) else: self.Env.debug(args) def run(self): self.debug("cmd: async: target=%s, pid=%d: %s" % (self.node, self.proc.pid, self.command)) self.proc.wait() self.debug("cmd: pid %d returned %d" % (self.proc.pid, self.proc.returncode)) if self.proc.stderr: lines = self.proc.stderr.readlines() self.proc.stderr.close() for line in lines: self.debug("cmd: stderr[%d]: %s" % (self.proc.pid, line)) if self.proc.stdout: lines = self.proc.stdout.readlines() self.proc.stdout.close() for line in lines: self.debug("cmd: stdout[%d]: %s" % (self.proc.pid, line)) class RemoteExec: '''This is an abstract remote execution class. It runs a command on another machine - somehow. The somehow is up to us. This particular class uses ssh. Most of the work is done by fork/exec of ssh or scp. ''' def __init__(self, Env=None, silent=False): self.Env = Env self.async = [] self.silent = silent if trace_rsh: self.silent = False # -n: no stdin, -x: no X11, # -o ServerAliveInterval=5 disconnect after 3*5s if the server stops responding self.Command = "ssh -l root -n -x -o ServerAliveInterval=5 -o ConnectTimeout=10 -o TCPKeepAlive=yes -o ServerAliveCountMax=3 " # -B: batch mode, -q: no stats (quiet) self.CpCommand = "scp -B -q" self.OurNode=string.lower(os.uname()[1]) def enable_qarsh(self): # http://nstraz.wordpress.com/2008/12/03/introducing-qarsh/ self.log("Using QARSH for connections to cluster nodes") self.Command = "qarsh -t 300 -l root" self.CpCommand = "qacp -q" def _fixcmd(self, cmd): return re.sub("\'", "'\\''", cmd) def _cmd(self, *args): '''Compute the string that will run the given command on the given remote system''' args= args[0] sysname = args[0] command = args[1] #print "sysname: %s, us: %s" % (sysname, self.OurNode) if sysname == None or string.lower(sysname) == self.OurNode or sysname == "localhost": ret = command else: ret = self.Command + " " + sysname + " '" + self._fixcmd(command) + "'" #print ("About to run %s\n" % ret) return ret def log(self, args): if not self.silent: if not self.Env: print (args) else: self.Env.log(args) def debug(self, args): if not self.silent: if not self.Env: print (args) else: self.Env.debug(args) def __call__(self, node, command, stdout=0, synchronous=1, silent=False, blocking=True): '''Run the given command on the given remote system If you call this class like a function, this is the function that gets called. It just runs it roughly as though it were a system() call on the remote machine. The first argument is name of the machine to run it on. ''' if trace_rsh: silent = False rc = 0 result = None proc = Popen(self._cmd([node, command]), stdout = PIPE, stderr = PIPE, close_fds = True, shell = True) if not synchronous and proc.pid > 0 and not self.silent: aproc = AsyncWaitProc(proc, node, command, self.Env) aproc.start() return 0 #if not blocking: # fcntl.fcntl(proc.stdout.fileno(), fcntl.F_SETFL, os.O_NONBLOCK) if proc.stdout: if stdout == 1: result = proc.stdout.readline() else: result = proc.stdout.readlines() proc.stdout.close() else: self.log("No stdout stream") rc = proc.wait() if not silent: self.debug("cmd: target=%s, rc=%d: %s" % (node, rc, command)) if stdout == 1: return result if proc.stderr: errors = proc.stderr.readlines() proc.stderr.close() if not silent: for err in errors: self.debug("cmd: stderr: %s" % err) if stdout == 0: if not silent and result: for line in result: self.debug("cmd: stdout: %s" % line) return rc return (rc, result) def cp(self, source, target, silent=False): '''Perform a remote copy''' cpstring = self.CpCommand + " \'" + source + "\'" + " \'" + target + "\'" rc = os.system(cpstring) if trace_rsh: silent = False if not silent: self.debug("cmd: rc=%d: %s" % (rc, cpstring)) return rc has_log_watcher = {} log_watcher_bin = CTSvars.CRM_DAEMON_DIR + "/cts_log_watcher.py" log_watcher = """ import sys, os, fcntl ''' Remote logfile reader for CTS Reads a specified number of lines from the supplied offset Returns the current offset Contains logic for handling truncation ''' limit = 0 offset = 0 prefix = '' filename = '/var/log/messages' skipthis=None args=sys.argv[1:] for i in range(0, len(args)): if skipthis: skipthis=None continue elif args[i] == '-l' or args[i] == '--limit': skipthis=1 limit = int(args[i+1]) elif args[i] == '-f' or args[i] == '--filename': skipthis=1 filename = args[i+1] elif args[i] == '-o' or args[i] == '--offset': skipthis=1 offset = args[i+1] elif args[i] == '-p' or args[i] == '--prefix': skipthis=1 prefix = args[i+1] elif args[i] == '-t' or args[i] == '--tag': skipthis=1 if not os.access(filename, os.R_OK): print prefix + 'Last read: %d, limit=%d, count=%d - unreadable' % (0, limit, 0) sys.exit(1) logfile=open(filename, 'r') logfile.seek(0, os.SEEK_END) newsize=logfile.tell() if offset != 'EOF': offset = int(offset) if newsize >= offset: logfile.seek(offset) else: print prefix + ('File truncated from %d to %d' % (offset, newsize)) if (newsize*1.05) < offset: logfile.seek(0) # else: we probably just lost a few logs after a fencing op # continue from the new end # TODO: accept a timestamp and discard all messages older than it # Don't block when we reach EOF fcntl.fcntl(logfile.fileno(), fcntl.F_SETFL, os.O_NONBLOCK) count = 0 while True: if logfile.tell() >= newsize: break elif limit and count >= limit: break line = logfile.readline() if not line: break print line.strip() count += 1 print prefix + 'Last read: %d, limit=%d, count=%d' % (logfile.tell(), limit, count) logfile.close() """ class SearchObj: def __init__(self, Env, filename, host=None, name=None): self.Env = Env self.host = host self.name = name self.filename = filename self.cache = [] self.offset = "EOF" if host == None: host = "localhost" global has_log_watcher if not has_log_watcher.has_key(host): global log_watcher global log_watcher_bin self.debug("Installing %s on %s" % (log_watcher_bin, host)) self.Env.rsh(host, '''echo "%s" > %s''' % (log_watcher, log_watcher_bin), silent=True) has_log_watcher[host] = 1 self.next() def __str__(self): if self.host: return "%s:%s" % (self.host, self.filename) return self.filename def log(self, args): message = "lw: %s: %s" % (self, args) if not self.Env: print (message) else: self.Env.log(message) def debug(self, args): message = "lw: %s: %s" % (self, args) if not self.Env: print (message) else: self.Env.debug(message) def next(self): cache = [] if not len(self.cache): global log_watcher_bin (rc, lines) = self.Env.rsh( self.host, "python %s -t %s -p CTSwatcher: -f %s -o %s" % (log_watcher_bin, self.name, self.filename, self.offset), stdout=None, silent=True, blocking=False) for line in lines: match = re.search("^CTSwatcher:Last read: (\d+)", line) if match: last_offset = self.offset self.offset = match.group(1) #if last_offset == "EOF": self.debug("Got %d lines, new offset: %s" % (len(lines), self.offset)) elif re.search("^CTSwatcher:.*truncated", line): self.log(line) elif re.search("^CTSwatcher:", line): self.debug("Got control line: "+ line) else: cache.append(line) return cache class LogWatcher(RemoteExec): '''This class watches logs for messages that fit certain regular expressions. Watching logs for events isn't the ideal way to do business, but it's better than nothing :-) On the other hand, this class is really pretty cool ;-) The way you use this class is as follows: Construct a LogWatcher object Call setwatch() when you want to start watching the log Call look() to scan the log looking for the patterns ''' def __init__(self, Env, log, regexes, name="Anon", timeout=10, debug_level=None, silent=False, hosts=None): '''This is the constructor for the LogWatcher class. It takes a log name to watch, and a list of regular expressions to watch for." ''' RemoteExec.__init__(self, Env) # Validate our arguments. Better sooner than later ;-) for regex in regexes: assert re.compile(regex) self.name = name self.regexes = regexes self.filename = log self.debug_level = debug_level self.whichmatch = -1 self.unmatched = None self.file_list = [] self.line_cache = [] if hosts: self.hosts = hosts else: self.hosts = self.Env["nodes"] if trace_lw: self.debug_level = 3 silent = False if not silent: for regex in self.regexes: self.debug("Looking for regex: "+regex) self.Timeout = int(timeout) self.returnonlymatch = None def debug(self, args): message = "lw: %s: %s" % (self.name, args) if not self.Env: print (message) else: self.Env.debug(message) def setwatch(self): '''Mark the place to start watching the log from. ''' if self.Env["LogWatcher"] == "remote": for node in self.hosts: self.file_list.append(SearchObj(self.Env, self.filename, node, self.name)) else: self.file_list.append(SearchObj(self.Env, self.filename)) def __del__(self): if self.debug_level > 1: self.debug("Destroy") def ReturnOnlyMatch(self, onlymatch=1): '''Specify one or more subgroups of the match to return rather than the whole string http://www.python.org/doc/2.5.2/lib/match-objects.html ''' self.returnonlymatch = onlymatch def __get_lines(self): if not len(self.file_list): raise ValueError("No sources to read from") for f in self.file_list: lines = f.next() if len(lines): self.line_cache.extend(lines) def look(self, timeout=None, silent=False): '''Examine the log looking for the given patterns. It starts looking from the place marked by setwatch(). This function looks in the file in the fashion of tail -f. It properly recovers from log file truncation, but not from removing and recreating the log. It would be nice if it recovered from this as well :-) We return the first line which matches any of our patterns. ''' if timeout == None: timeout = self.Timeout if trace_lw: silent = False lines=0 needlines=True begin=time.time() end=begin+timeout+1 if self.debug_level > 2: self.debug("starting single search: timeout=%d, begin=%d, end=%d" % (timeout, begin, end)) if not self.regexes: self.debug("Nothing to look for") return None while True: if len(self.line_cache): lines += 1 line = self.line_cache[0] self.line_cache.remove(line) which=-1 if re.search("CTS:", line): continue if self.debug_level > 2: self.debug("Processing: "+ line) for regex in self.regexes: which=which+1 if self.debug_level > 3: self.debug("Comparing line to: "+ regex) #matchobj = re.search(string.lower(regex), string.lower(line)) matchobj = re.search(regex, line) if matchobj: self.whichmatch=which if self.returnonlymatch: return matchobj.group(self.returnonlymatch) else: self.debug("Matched: "+line) if self.debug_level > 1: self.debug("With: "+ regex) return line elif timeout > 0 and end > time.time(): if self.debug_level > 1: self.debug("lines during timeout") time.sleep(1) self.__get_lines() elif needlines: # Grab any relevant messages that might have arrived since # the last time the buffer was populated if self.debug_level > 1: self.debug("lines without timeout") self.__get_lines() # Don't come back here again needlines = False else: self.debug("Single search terminated: start=%d, end=%d, now=%d, lines=%d" % (begin, end, time.time(), lines)) return None self.debug("How did we get here") return None def lookforall(self, timeout=None, allow_multiple_matches=None, silent=False): '''Examine the log looking for ALL of the given patterns. It starts looking from the place marked by setwatch(). We return when the timeout is reached, or when we have found ALL of the regexes that were part of the watch ''' if timeout == None: timeout = self.Timeout save_regexes = self.regexes returnresult = [] if trace_lw: silent = False if not silent: self.debug("starting search: timeout=%d" % timeout) for regex in self.regexes: if self.debug_level > 2: self.debug("Looking for regex: "+regex) while (len(self.regexes) > 0): oneresult = self.look(timeout) if not oneresult: self.unmatched = self.regexes self.matched = returnresult self.regexes = save_regexes return None returnresult.append(oneresult) if not allow_multiple_matches: del self.regexes[self.whichmatch] else: # Allow multiple regexes to match a single line tmp_regexes = self.regexes self.regexes = [] which = 0 for regex in tmp_regexes: matchobj = re.search(regex, oneresult) if not matchobj: self.regexes.append(regex) self.unmatched = None self.matched = returnresult self.regexes = save_regexes return returnresult class NodeStatus: def __init__(self, Env): self.Env = Env def IsNodeBooted(self, node): '''Return TRUE if the given node is booted (responds to pings)''' return self.Env.rsh("localhost", "ping -nq -c1 -w1 %s" % node, silent=True) == 0 def IsSshdUp(self, node): rc = self.Env.rsh(node, "true", silent=True) return rc == 0 def WaitForNodeToComeUp(self, node, Timeout=300): '''Return TRUE when given node comes up, or None/FALSE if timeout''' timeout=Timeout anytimeouts=0 while timeout > 0: if self.IsNodeBooted(node) and self.IsSshdUp(node): if anytimeouts: # Fudge to wait for the system to finish coming up time.sleep(30) self.Env.debug("Node %s now up" % node) return 1 time.sleep(30) if (not anytimeouts): self.Env.debug("Waiting for node %s to come up" % node) anytimeouts=1 timeout = timeout - 1 self.Env.log("%s did not come up within %d tries" % (node, Timeout)) answer = raw_input('Continue? [nY]') if answer and answer == "n": raise ValueError("%s did not come up within %d tries" % (node, Timeout)) def WaitForAllNodesToComeUp(self, nodes, timeout=300): '''Return TRUE when all nodes come up, or FALSE if timeout''' for node in nodes: if not self.WaitForNodeToComeUp(node, timeout): return None return 1 class ClusterManager(UserDict): '''The Cluster Manager class. This is an subclass of the Python dictionary class. (this is because it contains lots of {name,value} pairs, not because it's behavior is that terribly similar to a dictionary in other ways.) This is an abstract class which class implements high-level operations on the cluster and/or its cluster managers. Actual cluster managers classes are subclassed from this type. One of the things we do is track the state we think every node should be in. ''' def __InitialConditions(self): #if os.geteuid() != 0: # raise ValueError("Must Be Root!") None def _finalConditions(self): for key in self.keys(): if self[key] == None: raise ValueError("Improper derivation: self[" + key + "] must be overridden by subclass.") def __init__(self, Environment, randseed=None): self.Env = Environment self.__InitialConditions() self.clear_cache = 0 self.TestLoggingLevel=0 self.data = { "up" : "up", # Status meaning up "down" : "down", # Status meaning down "StonithCmd" : "stonith -t baytech -p '10.10.10.100 admin admin' %s", "DeadTime" : 30, # Max time to detect dead node... "StartTime" : 90, # Max time to start up # # These next values need to be overridden in the derived class. # "Name" : None, "StartCmd" : None, "StopCmd" : None, "StatusCmd" : None, #"RereadCmd" : None, "BreakCommCmd" : None, "FixCommCmd" : None, #"TestConfigDir" : None, "LogFileName" : None, #"Pat:Master_started" : None, #"Pat:Slave_started" : None, "Pat:We_stopped" : None, "Pat:They_stopped" : None, "Pat:InfraUp" : "%s", "Pat:PacemakerUp" : "%s", "BadRegexes" : None, # A set of "bad news" regexes # to apply to the log } self.rsh = self.Env.rsh self.ShouldBeStatus={} self.ns = NodeStatus(self.Env) self.OurNode=string.lower(os.uname()[1]) self.__instance_errorstoignore = [] def key_for_node(self, node): return node def instance_errorstoignore_clear(self): '''Allows the test scenario to reset instance errors to ignore on each iteration.''' self.__instance_errorstoignore = [] def instance_errorstoignore(self): '''Return list of errors which are 'normal' for a specific test instance''' return self.__instance_errorstoignore def errorstoignore(self): '''Return list of errors which are 'normal' and should be ignored''' return [] def log(self, args): self.Env.log(args) def debug(self, args): self.Env.debug(args) def prepare(self): '''Finish the Initialization process. Prepare to test...''' for node in self.Env["nodes"]: if self.StataCM(node): self.ShouldBeStatus[node]="up" else: self.ShouldBeStatus[node]="down" self.unisolate_node(node) def upcount(self): '''How many nodes are up?''' count=0 for node in self.Env["nodes"]: if self.ShouldBeStatus[node]=="up": count=count+1 return count def install_helper(self, filename, destdir=None, nodes=None, sourcedir=None): if sourcedir == None: sourcedir = CTSvars.CTS_home file_with_path="%s/%s" % (sourcedir, filename) if not nodes: nodes = self.Env["nodes"] if not destdir: destdir=CTSvars.CTS_home self.debug("Installing %s to %s on %s" % (filename, destdir, repr(self.Env["nodes"]))) for node in nodes: self.rsh(node, "mkdir -p %s" % destdir) self.rsh.cp(file_with_path, "root@%s:%s/%s" % (node, destdir, filename)) return file_with_path def install_config(self, node): return None def clear_all_caches(self): if self.clear_cache: for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "down": self.debug("Removing cache file on: "+node) self.rsh(node, "rm -f "+CTSvars.HA_VARLIBHBDIR+"/hostcache") else: self.debug("NOT Removing cache file on: "+node) def prepare_fencing_watcher(self, node): # If we don't have quorum now but get it as a result of starting this node, # then a bunch of nodes might get fenced upnode=None if self.HasQuorum(None): return None if not self.has_key("Pat:Fencing_start"): return None if not self.has_key("Pat:Fencing_ok"): return None stonith = None stonithPats = [] for peer in self.Env["nodes"]: if peer != node and self.ShouldBeStatus[peer] != "up": stonithPats.append(self["Pat:Fencing_ok"] % peer) stonithPats.append(self["Pat:Fencing_start"] % peer) elif self.Env["Stack"] == "corosync (cman)": # There is a delay between gaining quorum and CMAN starting fencing # This can mean that even nodes that are fully up get fenced # There is no use fighting it, just look for everyone so that CTS doesn't get confused stonithPats.append(self["Pat:Fencing_ok"] % peer) stonithPats.append(self["Pat:Fencing_start"] % peer) if peer != node and not upnode and self.ShouldBeStatus[peer] == "up": upnode = peer # Look for STONITH ops, depending on Env["at-boot"] we might need to change the nodes status if not upnode: return None stonith = LogWatcher(self.Env, self["LogFileName"], stonithPats, "StartupFencing", 0, hosts=[upnode]) stonith.setwatch() return stonith def fencing_cleanup(self, node, stonith): peer_list = [] peer_state = {} self.debug("Looking for nodes that were fenced as a result of %s starting" % node) # If we just started a node, we may now have quorum (and permission to fence) if not stonith: self.debug("Nothing to do") return peer_list q = self.HasQuorum(None) if not q and len(self.Env["nodes"]) > 2: # We didn't gain quorum - we shouldn't have shot anyone self.debug("Quorum: %d Len: %d" % (q, len(self.Env["nodes"]))) return peer_list # Now see if any states need to be updated self.debug("looking for: " + repr(stonith.regexes)) shot = stonith.look(0) while shot: line = repr(shot) self.debug("Found: "+ line) del stonith.regexes[stonith.whichmatch] # Extract node name for n in self.Env["nodes"]: if re.search(self["Pat:Fencing_ok"] % n, shot): peer = n peer_state[peer] = "complete" self.__instance_errorstoignore.append(self["Pat:Fencing_ok"] % peer) elif re.search(self["Pat:Fencing_start"] % n, shot): peer = n peer_state[peer] = "in-progress" self.__instance_errorstoignore.append(self["Pat:Fencing_start"] % peer) if not peer: self.log("ERROR: Unknown stonith match: %s" % line) elif not peer in peer_list: self.debug("Found peer: "+ peer) peer_list.append(peer) # Get the next one shot = stonith.look(60) for peer in peer_list: self.debug(" Peer %s was fenced as a result of %s starting: %s" % (peer, node, peer_state[peer])) if self.Env["at-boot"]: self.ShouldBeStatus[peer] = "up" else: self.ShouldBeStatus[peer] = "down" if peer_state[peer] == "in-progress": # Wait for any in-progress operations to complete shot = stonith.look(60) while len(stonith.regexes) and shot: line = repr(shot) self.debug("Found: "+ line) del stonith.regexes[stonith.whichmatch] shot = stonith.look(60) # Now make sure the node is alive too self.ns.WaitForNodeToComeUp(peer, self["DeadTime"]) # Poll until it comes up if self.Env["at-boot"]: if not self.StataCM(peer): time.sleep(self["StartTime"]) if not self.StataCM(peer): self.log("ERROR: Peer %s failed to restart after being fenced" % peer) return None return peer_list def StartaCM(self, node, verbose=False): '''Start up the cluster manager on a given node''' if verbose: self.log("Starting %s on node %s" %(self["Name"], node)) else: self.debug("Starting %s on node %s" %(self["Name"], node)) ret = 1 if not self.ShouldBeStatus.has_key(node): self.ShouldBeStatus[node] = "down" if self.ShouldBeStatus[node] != "down": return 1 patterns = [] # Technically we should always be able to notice ourselves starting patterns.append(self["Pat:Local_started"] % node) if self.upcount() == 0: patterns.append(self["Pat:Master_started"] % node) else: patterns.append(self["Pat:Slave_started"] % node) watch = LogWatcher( self.Env, self["LogFileName"], patterns, "StartaCM", self["StartTime"]+10) self.install_config(node) self.ShouldBeStatus[node] = "any" if self.StataCM(node) and self.cluster_stable(self["DeadTime"]): self.log ("%s was already started" %(node)) return 1 # Clear out the host cache so autojoin can be exercised if self.clear_cache: self.debug("Removing cache file on: "+node) self.rsh(node, "rm -f "+CTSvars.HA_VARLIBHBDIR+"/hostcache") if not(self.Env["valgrind-tests"]): startCmd = self["StartCmd"] else: if self.Env["valgrind-prefix"]: prefix = self.Env["valgrind-prefix"] else: prefix = "cts" startCmd = """G_SLICE=always-malloc HA_VALGRIND_ENABLED='%s' VALGRIND_OPTS='%s --log-file=/tmp/%s-%s.valgrind' %s""" % ( self.Env["valgrind-procs"], self.Env["valgrind-opts"], prefix, """%p""", self["StartCmd"]) stonith = self.prepare_fencing_watcher(node) watch.setwatch() if self.rsh(node, startCmd) != 0: self.log ("Warn: Start command failed on node %s" %(node)) self.fencing_cleanup(node, stonith) return None self.ShouldBeStatus[node]="up" watch_result = watch.lookforall() if watch.unmatched: for regex in watch.unmatched: self.log ("Warn: Startup pattern not found: %s" %(regex)) if watch_result and self.cluster_stable(self["DeadTime"]): #self.debug("Found match: "+ repr(watch_result)) self.fencing_cleanup(node, stonith) return 1 elif self.StataCM(node) and self.cluster_stable(self["DeadTime"]): self.fencing_cleanup(node, stonith) return 1 self.log ("Warn: Start failed for node %s" %(node)) return None def StartaCMnoBlock(self, node, verbose=False): '''Start up the cluster manager on a given node with none-block mode''' if verbose: self.log("Starting %s on node %s" %(self["Name"], node)) else: self.debug("Starting %s on node %s" %(self["Name"], node)) # Clear out the host cache so autojoin can be exercised if self.clear_cache: self.debug("Removing cache file on: "+node) self.rsh(node, "rm -f "+CTSvars.HA_VARLIBHBDIR+"/hostcache") if not(self.Env["valgrind-tests"]): startCmd = self["StartCmd"] else: if self.Env["valgrind-prefix"]: prefix = self.Env["valgrind-prefix"] else: prefix = "cts" startCmd = """G_SLICE=always-malloc HA_VALGRIND_ENABLED='%s' VALGRIND_OPTS='%s --log-file=/tmp/%s-%s.valgrind' %s""" % ( self.Env["valgrind-procs"], self.Env["valgrind-opts"], prefix, """%p""", self["StartCmd"]) self.rsh(node, startCmd, synchronous=0) self.ShouldBeStatus[node]="up" return 1 def StopaCM(self, node, verbose=False): '''Stop the cluster manager on a given node''' if verbose: self.log("Stopping %s on node %s" %(self["Name"], node)) else: self.debug("Stopping %s on node %s" %(self["Name"], node)) if self.ShouldBeStatus[node] != "up": return 1 if self.rsh(node, self["StopCmd"]) == 0: # Make sure we can continue even if corosync leaks # fdata-* is the old name #self.rsh(node, "rm -f /dev/shm/qb-* /dev/shm/fdata-*") self.ShouldBeStatus[node]="down" self.cluster_stable(self["DeadTime"]) return 1 else: self.log ("ERROR: Could not stop %s on node %s" %(self["Name"], node)) return None def StopaCMnoBlock(self, node): '''Stop the cluster manager on a given node with none-block mode''' self.debug("Stopping %s on node %s" %(self["Name"], node)) self.rsh(node, self["StopCmd"], synchronous=0) self.ShouldBeStatus[node]="down" return 1 def cluster_stable(self, timeout = None): time.sleep(self["StableTime"]) return 1 def node_stable(self, node): return 1 def RereadCM(self, node): '''Force the cluster manager on a given node to reread its config This may be a no-op on certain cluster managers. ''' rc=self.rsh(node, self["RereadCmd"]) if rc == 0: return 1 else: self.log ("Could not force %s on node %s to reread its config" % (self["Name"], node)) return None def StataCM(self, node): '''Report the status of the cluster manager on a given node''' out=self.rsh(node, self["StatusCmd"] % node, 1) ret= (string.find(out, 'stopped') == -1) try: if ret: if self.ShouldBeStatus[node] == "down": self.log( "Node status for %s is %s but we think it should be %s" % (node, "up", self.ShouldBeStatus[node])) else: if self.ShouldBeStatus[node] == "up": self.log( "Node status for %s is %s but we think it should be %s" % (node, "down", self.ShouldBeStatus[node])) except KeyError: pass if ret: self.ShouldBeStatus[node]="up" else: self.ShouldBeStatus[node]="down" return ret def startall(self, nodelist=None, verbose=False, quick=False): '''Start the cluster manager on every node in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' map = {} if not nodelist: nodelist=self.Env["nodes"] for node in nodelist: if self.ShouldBeStatus[node] == "down": self.ns.WaitForAllNodesToComeUp(nodelist, 300) if not quick: if not self.StartaCM(node, verbose=verbose): return 0 return 1 # Approximation of SimulStartList for --boot watchpats = [ ] watchpats.append(self["Pat:DC_IDLE"]) for node in nodelist: watchpats.append(self["Pat:Local_started"] % node) watchpats.append(self["Pat:InfraUp"] % node) watchpats.append(self["Pat:PacemakerUp"] % node) # Start all the nodes - at about the same time... watch = LogWatcher(self.Env, self["LogFileName"], watchpats, "fast-start", self["DeadTime"]+10) watch.setwatch() if not self.StartaCM(nodelist[0], verbose=verbose): return 0 for node in nodelist: self.StartaCMnoBlock(node, verbose=verbose) watch.lookforall() if watch.unmatched: for regex in watch.unmatched: self.log ("Warn: Startup pattern not found: %s" %(regex)) if not self.cluster_stable(): self.log("Cluster did not stabilize") return 0 return 1 def stopall(self, nodelist=None, verbose=False): '''Stop the cluster managers on every node in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' ret = 1 map = {} if not nodelist: nodelist=self.Env["nodes"] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": if not self.StopaCM(node, verbose=verbose): ret = 0 return ret def rereadall(self, nodelist=None): '''Force the cluster managers on every node in the cluster to reread their config files. We can do it on a subset of the cluster if nodelist is not None. ''' map = {} if not nodelist: nodelist=self.Env["nodes"] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": self.RereadCM(node) def statall(self, nodelist=None): '''Return the status of the cluster managers in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' result={} if not nodelist: nodelist=self.Env["nodes"] for node in nodelist: if self.StataCM(node): result[node] = "up" else: result[node] = "down" return result def isolate_node(self, target, nodes=None): '''isolate the communication between the nodes''' if not nodes: nodes = self.Env["nodes"] for node in nodes: if node != target: rc = self.rsh(target, self["BreakCommCmd"] % self.key_for_node(node)) if rc != 0: self.log("Could not break the communication between %s and %s: %d" % (target, node, rc)) return None else: self.debug("Communication cut between %s and %s" % (target, node)) return 1 def unisolate_node(self, target, nodes=None): '''fix the communication between the nodes''' if not nodes: nodes = self.Env["nodes"] for node in nodes: if node != target: restored = 0 # Limit the amount of time we have asynchronous connectivity for # Restore both sides as simultaneously as possible self.rsh(target, self["FixCommCmd"] % self.key_for_node(node), synchronous=0) self.rsh(node, self["FixCommCmd"] % self.key_for_node(target), synchronous=0) self.debug("Communication restored between %s and %s" % (target, node)) def reducecomm_node(self,node): '''reduce the communication between the nodes''' rc = self.rsh(node, self["ReduceCommCmd"]%(self.Env["XmitLoss"],self.Env["RecvLoss"])) if rc == 0: return 1 else: self.log("Could not reduce the communication between the nodes from node: %s" % node) return None def restorecomm_node(self,node): '''restore the saved communication between the nodes''' rc = 0 if float(self.Env["XmitLoss"])!=0 or float(self.Env["RecvLoss"])!=0 : rc = self.rsh(node, self["RestoreCommCmd"]); if rc == 0: return 1 else: self.log("Could not restore the communication between the nodes from node: %s" % node) return None def HasQuorum(self, node_list): "Return TRUE if the cluster currently has quorum" # If we are auditing a partition, then one side will # have quorum and the other not. # So the caller needs to tell us which we are checking # If no value for node_list is specified... assume all nodes raise ValueError("Abstract Class member (HasQuorum)") def Components(self): raise ValueError("Abstract Class member (Components)") def oprofileStart(self, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileStart(n) elif node in self.Env["oprofile"]: self.debug("Enabling oprofile on %s" % node) self.rsh(node, "opcontrol --init") self.rsh(node, "opcontrol --setup --no-vmlinux --separate=lib --callgraph=20 --image=all") self.rsh(node, "opcontrol --start") self.rsh(node, "opcontrol --reset") def oprofileSave(self, test, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileSave(test, n) elif node in self.Env["oprofile"]: self.rsh(node, "opcontrol --dump") self.rsh(node, "opcontrol --save=cts.%d" % test) # Read back with: opreport -l session:cts.0 image:/usr/lib/heartbeat/c* if None: self.rsh(node, "opcontrol --reset") else: self.oprofileStop(node) self.oprofileStart(node) def oprofileStop(self, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileStop(n) elif node in self.Env["oprofile"]: self.debug("Stopping oprofile on %s" % node) self.rsh(node, "opcontrol --reset") self.rsh(node, "opcontrol --shutdown 2>&1 > /dev/null") class Resource: ''' This is an HA resource (not a resource group). A resource group is just an ordered list of Resource objects. ''' def __init__(self, cm, rsctype=None, instance=None): self.CM = cm self.ResourceType = rsctype self.Instance = instance self.needs_quorum = 1 def Type(self): return self.ResourceType def Instance(self, nodename): return self.Instance def IsRunningOn(self, nodename): ''' This member function returns true if our resource is running on the given node in the cluster. It is analagous to the "status" operation on SystemV init scripts and heartbeat scripts. FailSafe calls it the "exclusive" operation. ''' raise ValueError("Abstract Class member (IsRunningOn)") return None def IsWorkingCorrectly(self, nodename): ''' This member function returns true if our resource is operating correctly on the given node in the cluster. Heartbeat does not require this operation, but it might be called the Monitor operation, which is what FailSafe calls it. For remotely monitorable resources (like IP addresses), they *should* be monitored remotely for testing. ''' raise ValueError("Abstract Class member (IsWorkingCorrectly)") return None def Start(self, nodename): ''' This member function starts or activates the resource. ''' raise ValueError("Abstract Class member (Start)") return None def Stop(self, nodename): ''' This member function stops or deactivates the resource. ''' raise ValueError("Abstract Class member (Stop)") return None def __repr__(self): if (self.Instance and len(self.Instance) > 1): return "{" + self.ResourceType + "::" + self.Instance + "}" else: return "{" + self.ResourceType + "}" class Component: def kill(self, node): None class Process(Component): def __init__(self, cm, name, process=None, dc_only=0, pats=[], dc_pats=[], badnews_ignore=[], common_ignore=[], triggersreboot=0): self.name = str(name) self.dc_only = dc_only self.pats = pats self.dc_pats = dc_pats self.CM = cm self.badnews_ignore = badnews_ignore self.badnews_ignore.extend(common_ignore) self.triggersreboot = triggersreboot if process: self.proc = str(process) else: self.proc = str(name) self.KillCmd = "killall -9 " + self.proc def kill(self, node): if self.CM.rsh(node, self.KillCmd) != 0: self.CM.log ("ERROR: Kill %s failed on node %s" %(self.name,node)) return None return 1 pacemaker-master/cts/CTSaudits.py000077500000000000000000000703651217637305600173350ustar00rootroot00000000000000'''CTS: Cluster Testing System: Audit module ''' __copyright__=''' Copyright (C) 2000, 2001,2005 Alan Robertson Licensed under the GNU GPL. ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import time, os, string, re import CTS class ClusterAudit: def __init__(self, cm): self.CM = cm def __call__(self): raise ValueError("Abstract Class member (__call__)") def is_applicable(self): '''Return TRUE if we are applicable in the current test configuration''' raise ValueError("Abstract Class member (is_applicable)") return 1 def log(self, args): self.CM.log("audit: %s" % args) def debug(self, args): self.CM.debug("audit: %s" % args) def name(self): raise ValueError("Abstract Class member (name)") AllAuditClasses = [ ] class LogAudit(ClusterAudit): def name(self): return "LogAudit" def __init__(self, cm): self.CM = cm def RestartClusterLogging(self, nodes=None): if not nodes: nodes = self.CM.Env["nodes"] self.CM.debug("Restarting logging on: %s" % repr(nodes)) for node in nodes: cmd="service %s restart 2>&1 > /dev/null" % self.CM.Env["syslogd"] if self.CM.rsh(node, cmd, synchronous=0) != 0: self.CM.log ("ERROR: Cannot restart logging on %s [%s failed]" % (node, cmd)) def TestLogging(self): patterns = [] prefix = "Test message from" watch_syslog = None watch_remote = None for node in self.CM.Env["nodes"]: # Look for the node name in two places to make sure # that syslog is logging with the correct hostname m = re.search("^([^.]+).*", node) if m: simple = m.group(1) else: simple = node patterns.append("%s.*%s %s" % (simple, prefix, node)) watch_pref = self.CM.Env["LogWatcher"] if watch_pref == "any" or watch_pref == "syslog": self.CM.Env["LogWatcher"] = "syslog" if watch_pref == "any": self.CM.log("Testing for %s logs" % self.CM.Env["LogWatcher"]) watch_syslog = CTS.LogWatcher(self.CM.Env, self.CM.Env["LogFileName"], patterns, "LogAudit", 5, silent=True) watch_syslog.setwatch() if watch_pref == "any" or watch_pref == "remote": self.CM.Env["LogWatcher"] = "remote" if watch_pref == "any": self.CM.log("Testing for %s logs" % self.CM.Env["LogWatcher"]) watch_remote = CTS.LogWatcher(self.CM.Env, self.CM.Env["LogFileName"], patterns, "LogAudit", 5, silent=True) watch_remote.setwatch() for node in self.CM.Env["nodes"]: cmd="logger -p %s.info %s %s" % (self.CM.Env["SyslogFacility"], prefix, node) if self.CM.rsh(node, cmd, synchronous=0, silent=True) != 0: self.CM.log ("ERROR: Cannot execute remote command [%s] on %s" % (cmd, node)) if watch_syslog: watch = watch_syslog self.CM.Env["LogWatcher"] = "syslog" watch_result = watch.lookforall(silent=True) if not watch.unmatched: if watch_pref == "any": self.CM.log ("Continuing with %s-based log reader" % (self.CM.Env["LogWatcher"])) return 1 if watch_remote: watch = watch_remote self.CM.Env["LogWatcher"] = "remote" watch_result = watch.lookforall(silent=True) if not watch.unmatched: if watch_pref == "any": self.CM.log ("Continuing with %s-based log reader" % (self.CM.Env["LogWatcher"])) return 1 if watch_syslog and watch_syslog.unmatched: for regex in watch_syslog.unmatched: self.CM.log ("Test message [%s] not found in syslog logs." % regex) if watch_remote and watch_remote.unmatched: for regex in watch_remote.unmatched: self.CM.log ("Test message [%s] not found in remote logs." % regex) return 0 def __call__(self): max=3 attempt=0 self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"]) while attempt <= max and self.TestLogging() == 0: attempt = attempt + 1 self.RestartClusterLogging() time.sleep(60*attempt) if attempt > max: self.CM.log("ERROR: Cluster logging unrecoverable.") return 0 return 1 def is_applicable(self): if self.CM.Env["DoBSC"]: return 0 return 1 class DiskAudit(ClusterAudit): def name(self): return "DiskspaceAudit" def __init__(self, cm): self.CM = cm def __call__(self): result=1 dfcmd="df -k /var/log | tail -1 | tr -s ' ' | cut -d' ' -f2" self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"]) for node in self.CM.Env["nodes"]: dfout=self.CM.rsh(node, dfcmd, 1) if not dfout: self.CM.log ("ERROR: Cannot execute remote df command [%s] on %s" % (dfcmd, node)) else: try: idfout = int(dfout) except (ValueError, TypeError): self.CM.log("Warning: df output from %s was invalid [%s]" % (node, dfout)) else: if idfout == 0: self.CM.log("CRIT: Completely out of log disk space on %s" % node) result=None elif idfout <= 1000: self.CM.log("WARN: Low on log disk space (%d Mbytes) on %s" % (idfout, node)) return result def is_applicable(self): if self.CM.Env["DoBSC"]: return 0 return 1 class FileAudit(ClusterAudit): def name(self): return "FileAudit" def __init__(self, cm): self.CM = cm self.known = [] def __call__(self): result=1 self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"]) for node in self.CM.Env["nodes"]: (rc, lsout)=self.CM.rsh(node, "ls -al /var/lib/heartbeat/cores/* | grep core.[0-9]", None) for line in lsout: line = line.strip() if line not in self.known: result=0 self.known.append(line) self.CM.log("Warning: Pacemaker core file on %s: %s" % (node, line)) (rc, lsout)=self.CM.rsh(node, "ls -al /var/lib/corosync | grep core.[0-9]", None) for line in lsout: line = line.strip() if line not in self.known: result=0 self.known.append(line) self.CM.log("Warning: Corosync core file on %s: %s" % (node, line)) if self.CM.ShouldBeStatus.has_key(node) and self.CM.ShouldBeStatus[node] == "down": clean=0 (rc, lsout)=self.CM.rsh(node, "ls -al /dev/shm | grep qb-", None) for line in lsout: result=0 clean=1 self.CM.log("Warning: Stale IPC file on %s: %s" % (node, line)) if clean: (rc, lsout)=self.CM.rsh(node, "ps axf | grep -e pacemaker -e corosync", None) for line in lsout: self.CM.debug("ps[%s]: %s" % (node, line)) self.CM.rsh(node, "rm -f /dev/shm/qb-*") else: self.CM.debug("Skipping %s" % node) return result def is_applicable(self): return 1 class AuditResource: def __init__(self, cm, line): fields = line.split() self.CM = cm self.line = line self.type = fields[1] self.id = fields[2] self.clone_id = fields[3] self.parent = fields[4] self.rprovider = fields[5] self.rclass = fields[6] self.rtype = fields[7] self.host = fields[8] self.needs_quorum = fields[9] self.flags = int(fields[10]) self.flags_s = fields[11] if self.parent == "NA": self.parent = None def unique(self): if self.flags & int("0x00000020", 16): return 1 return 0 def orphan(self): if self.flags & int("0x00000001", 16): return 1 return 0 def managed(self): if self.flags & int("0x00000002", 16): return 1 return 0 class AuditConstraint: def __init__(self, cm, line): fields = line.split() self.CM = cm self.line = line self.type = fields[1] self.id = fields[2] self.rsc = fields[3] self.target = fields[4] self.score = fields[5] self.rsc_role = fields[6] self.target_role = fields[7] if self.rsc_role == "NA": self.rsc_role = None if self.target_role == "NA": self.target_role = None class PrimitiveAudit(ClusterAudit): def name(self): return "PrimitiveAudit" def __init__(self, cm): self.CM = cm def doResourceAudit(self, resource, quorum): rc=1 active = self.CM.ResourceLocation(resource.id) if len(active) == 1: if quorum: self.debug("Resource %s active on %s" % (resource.id, repr(active))) elif resource.needs_quorum == 1: self.CM.log("Resource %s active without quorum: %s" % (resource.id, repr(active))) rc=0 elif not resource.managed(): self.CM.log("Resource %s not managed. Active on %s" % (resource.id, repr(active))) elif not resource.unique(): # TODO: Figure out a clever way to actually audit these resource types if len(active) > 1: self.debug("Non-unique resource %s is active on: %s" % (resource.id, repr(active))) else: self.debug("Non-unique resource %s is not active" % resource.id) elif len(active) > 1: self.CM.log("Resource %s is active multiple times: %s" % (resource.id, repr(active))) rc=0 elif resource.orphan(): self.debug("Resource %s is an inactive orphan" % resource.id) elif len(self.inactive_nodes) == 0: self.CM.log("WARN: Resource %s not served anywhere" % resource.id) rc=0 elif self.CM.Env["warn-inactive"] == 1: if quorum or not resource.needs_quorum: self.CM.log("WARN: Resource %s not served anywhere (Inactive nodes: %s)" % (resource.id, repr(self.inactive_nodes))) else: self.debug("Resource %s not served anywhere (Inactive nodes: %s)" % (resource.id, repr(self.inactive_nodes))) elif quorum or not resource.needs_quorum: self.debug("Resource %s not served anywhere (Inactive nodes: %s)" % (resource.id, repr(self.inactive_nodes))) return rc def setup(self): self.target = None self.resources = [] self.constraints = [] self.active_nodes = [] self.inactive_nodes = [] for node in self.CM.Env["nodes"]: if self.CM.ShouldBeStatus[node] == "up": self.active_nodes.append(node) else: self.inactive_nodes.append(node) for node in self.CM.Env["nodes"]: if self.target == None and self.CM.ShouldBeStatus[node] == "up": self.target = node if not self.target: # TODO: In Pacemaker 1.0 clusters we'll be able to run crm_resource # with CIB_file=/path/to/cib.xml even when the cluster isn't running self.debug("No nodes active - skipping %s" % self.name()) return 0 (rc, lines) = self.CM.rsh(self.target, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): self.resources.append(AuditResource(self.CM, line)) elif re.search("^Constraint", line): self.constraints.append(AuditConstraint(self.CM, line)) else: self.CM.log("Unknown entry: %s" % line); return 1 def __call__(self): rc = 1 if not self.setup(): return 1 quorum = self.CM.HasQuorum(None) for resource in self.resources: if resource.type == "primitive": if self.doResourceAudit(resource, quorum) == 0: rc = 0 return rc def is_applicable(self): if self.CM["Name"] == "crm-lha": return 1 if self.CM["Name"] == "crm-ais": return 1 return 0 class GroupAudit(PrimitiveAudit): def name(self): return "GroupAudit" def __call__(self): rc = 1 if not self.setup(): return 1 for group in self.resources: if group.type == "group": first_match = 1 group_location = None for child in self.resources: if child.parent == group.id: nodes = self.CM.ResourceLocation(child.id) if first_match and len(nodes) > 0: group_location = nodes[0] first_match = 0 if len(nodes) > 1: rc = 0 self.CM.log("Child %s of %s is active more than once: %s" % (child.id, group.id, repr(nodes))) elif len(nodes) == 0: # Groups are allowed to be partially active # However we do need to make sure later children aren't running group_location = None self.debug("Child %s of %s is stopped" % (child.id, group.id)) elif nodes[0] != group_location: rc = 0 self.CM.log("Child %s of %s is active on the wrong node (%s) expected %s" % (child.id, group.id, nodes[0], group_location)) else: self.debug("Child %s of %s is active on %s" % (child.id, group.id, nodes[0])) return rc class CloneAudit(PrimitiveAudit): def name(self): return "CloneAudit" def __call__(self): rc = 1 if not self.setup(): return 1 for clone in self.resources: if clone.type == "clone": for child in self.resources: if child.parent == clone.id and child.type == "primitive": self.debug("Checking child %s of %s..." % (child.id, clone.id)) # Check max and node_max # Obtain with: # crm_resource -g clone_max --meta -r child.id # crm_resource -g clone_node_max --meta -r child.id return rc class ColocationAudit(PrimitiveAudit): def name(self): return "ColocationAudit" def crm_location(self, resource): (rc, lines) = self.CM.rsh(self.target, "crm_resource -W -r %s -Q"%resource, None) hosts = [] if rc == 0: for line in lines: fields = line.split() hosts.append(fields[0]) return hosts def __call__(self): rc = 1 if not self.setup(): return 1 for coloc in self.constraints: if coloc.type == "rsc_colocation": source = self.crm_location(coloc.rsc) target = self.crm_location(coloc.target) if len(source) == 0: self.debug("Colocation audit (%s): %s not running" % (coloc.id, coloc.rsc)) else: for node in source: if not node in target: rc = 0 self.CM.log("Colocation audit (%s): %s running on %s (not in %s)" % (coloc.id, coloc.rsc, node, repr(target))) else: self.debug("Colocation audit (%s): %s running on %s (in %s)" % (coloc.id, coloc.rsc, node, repr(target))) return rc class CrmdStateAudit(ClusterAudit): def __init__(self, cm): self.CM = cm self.Stats = {"calls":0 , "success":0 , "failure":0 , "skipped":0 , "auditfail":0} def has_key(self, key): return self.Stats.has_key(key) def __setitem__(self, key, value): self.Stats[key] = value def __getitem__(self, key): return self.Stats[key] def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not self.Stats.has_key(name): self.Stats[name]=0 self.Stats[name] = self.Stats[name]+1 def __call__(self): passed = 1 up_are_down = 0 down_are_up = 0 unstable_list = [] for node in self.CM.Env["nodes"]: should_be = self.CM.ShouldBeStatus[node] rc = self.CM.test_node_CM(node) if rc > 0: if should_be == "down": down_are_up = down_are_up + 1 if rc == 1: unstable_list.append(node) elif should_be == "up": up_are_down = up_are_down + 1 if len(unstable_list) > 0: passed = 0 self.CM.log("Cluster is not stable: %d (of %d): %s" %(len(unstable_list), self.CM.upcount(), repr(unstable_list))) if up_are_down > 0: passed = 0 self.CM.log("%d (of %d) nodes expected to be up were down." %(up_are_down, len(self.CM.Env["nodes"]))) if down_are_up > 0: passed = 0 self.CM.log("%d (of %d) nodes expected to be down were up." %(down_are_up, len(self.CM.Env["nodes"]))) return passed def name(self): return "CrmdStateAudit" def is_applicable(self): if self.CM["Name"] == "crm-lha": return 1 if self.CM["Name"] == "crm-ais": return 1 return 0 class CIBAudit(ClusterAudit): def __init__(self, cm): self.CM = cm self.Stats = {"calls":0 , "success":0 , "failure":0 , "skipped":0 , "auditfail":0} def has_key(self, key): return self.Stats.has_key(key) def __setitem__(self, key, value): self.Stats[key] = value def __getitem__(self, key): return self.Stats[key] def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not self.Stats.has_key(name): self.Stats[name]=0 self.Stats[name] = self.Stats[name]+1 def __call__(self): passed = 1 ccm_partitions = self.CM.find_partitions() if len(ccm_partitions) == 0: self.debug("\tNo partitions to audit") return 1 for partition in ccm_partitions: self.debug("\tAuditing CIB consistency for: %s" %partition) partition_passed = 0 if self.audit_cib_contents(partition) == 0: passed = 0 return passed def audit_cib_contents(self, hostlist): passed = 1 node0 = None node0_xml = None partition_hosts = hostlist.split() for node in partition_hosts: node_xml = self.store_remote_cib(node, node0) if node_xml == None: self.CM.log("Could not perform audit: No configuration from %s" % node) passed = 0 elif node0 == None: node0 = node node0_xml = node_xml elif node0_xml == None: self.CM.log("Could not perform audit: No configuration from %s" % node0) passed = 0 else: (rc, result) = self.CM.rsh( node0, "crm_diff -VV -cf --new %s --original %s" % (node_xml, node0_xml), None) if rc != 0: self.CM.log("Diff between %s and %s failed: %d" % (node0_xml, node_xml, rc)) passed = 0 for line in result: if not re.search("", line): passed = 0 self.debug("CibDiff[%s-%s]: %s" % (node0, node, line)) else: self.debug("CibDiff[%s-%s] Ignoring: %s" % (node0, node, line)) # self.CM.rsh(node0, "rm -f %s" % node_xml) # self.CM.rsh(node0, "rm -f %s" % node0_xml) return passed def store_remote_cib(self, node, target): combined = "" filename="/tmp/ctsaudit.%s.xml" % node if not target: target = node (rc, lines) = self.CM.rsh(node, self.CM["CibQuery"], None) if rc != 0: self.CM.log("Could not retrieve configuration") return None self.CM.rsh("localhost", "rm -f %s" % filename) for line in lines: self.CM.rsh("localhost", "echo \'%s\' >> %s" % (line[:-1], filename), silent=True) if self.CM.rsh.cp(filename, "root@%s:%s" % (target, filename), silent=True) != 0: self.CM.log("Could not store configuration") return None return filename def name(self): return "CibAudit" def is_applicable(self): if self.CM["Name"] == "crm-lha": return 1 if self.CM["Name"] == "crm-ais": return 1 return 0 class PartitionAudit(ClusterAudit): def __init__(self, cm): self.CM = cm self.Stats = {"calls":0 , "success":0 , "failure":0 , "skipped":0 , "auditfail":0} self.NodeEpoche={} self.NodeState={} self.NodeQuorum={} def has_key(self, key): return self.Stats.has_key(key) def __setitem__(self, key, value): self.Stats[key] = value def __getitem__(self, key): return self.Stats[key] def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not self.Stats.has_key(name): self.Stats[name]=0 self.Stats[name] = self.Stats[name]+1 def __call__(self): passed = 1 ccm_partitions = self.CM.find_partitions() if ccm_partitions == None or len(ccm_partitions) == 0: return 1 self.CM.cluster_stable(double_check=True) if len(ccm_partitions) != self.CM.partitions_expected: self.CM.log("ERROR: %d cluster partitions detected:" %len(ccm_partitions)) passed = 0 for partition in ccm_partitions: self.CM.log("\t %s" %partition) for partition in ccm_partitions: partition_passed = 0 if self.audit_partition(partition) == 0: passed = 0 return passed def trim_string(self, avalue): if not avalue: return None if len(avalue) > 1: return avalue[:-1] def trim2int(self, avalue): if not avalue: return None if len(avalue) > 1: return int(avalue[:-1]) def audit_partition(self, partition): passed = 1 dc_found = [] dc_allowed_list = [] lowest_epoche = None node_list = partition.split() self.debug("Auditing partition: %s" %(partition)) for node in node_list: if self.CM.ShouldBeStatus[node] != "up": self.CM.log("Warn: Node %s appeared out of nowhere" %(node)) self.CM.ShouldBeStatus[node] = "up" # not in itself a reason to fail the audit (not what we're # checking for in this audit) self.NodeState[node] = self.CM.rsh(node, self.CM["StatusCmd"]%node, 1) self.NodeEpoche[node] = self.CM.rsh(node, self.CM["EpocheCmd"], 1) self.NodeQuorum[node] = self.CM.rsh(node, self.CM["QuorumCmd"], 1) self.debug("Node %s: %s - %s - %s." %(node, self.NodeState[node], self.NodeEpoche[node], self.NodeQuorum[node])) self.NodeState[node] = self.trim_string(self.NodeState[node]) self.NodeEpoche[node] = self.trim2int(self.NodeEpoche[node]) self.NodeQuorum[node] = self.trim_string(self.NodeQuorum[node]) if not self.NodeEpoche[node]: self.CM.log("Warn: Node %s dissappeared: cant determin epoche" %(node)) self.CM.ShouldBeStatus[node] = "down" # not in itself a reason to fail the audit (not what we're # checking for in this audit) elif lowest_epoche == None or self.NodeEpoche[node] < lowest_epoche: lowest_epoche = self.NodeEpoche[node] if not lowest_epoche: self.CM.log("Lowest epoche not determined in %s" % (partition)) passed = 0 for node in node_list: if self.CM.ShouldBeStatus[node] == "up": if self.CM.is_node_dc(node, self.NodeState[node]): dc_found.append(node) if self.NodeEpoche[node] == lowest_epoche: self.debug("%s: OK" % node) elif not self.NodeEpoche[node]: self.debug("Check on %s ignored: no node epoche" % node) elif not lowest_epoche: self.debug("Check on %s ignored: no lowest epoche" % node) else: self.CM.log("DC %s is not the oldest node (%d vs. %d)" %(node, self.NodeEpoche[node], lowest_epoche)) passed = 0 if len(dc_found) == 0: self.CM.log("DC not found on any of the %d allowed nodes: %s (of %s)" %(len(dc_allowed_list), str(dc_allowed_list), str(node_list))) elif len(dc_found) > 1: self.CM.log("%d DCs (%s) found in cluster partition: %s" %(len(dc_found), str(dc_found), str(node_list))) passed = 0 if passed == 0: for node in node_list: if self.CM.ShouldBeStatus[node] == "up": self.CM.log("epoche %s : %s" %(self.NodeEpoche[node], self.NodeState[node])) return passed def name(self): return "PartitionAudit" def is_applicable(self): if self.CM["Name"] == "crm-lha": return 1 if self.CM["Name"] == "crm-ais": return 1 return 0 AllAuditClasses.append(DiskAudit) AllAuditClasses.append(FileAudit) AllAuditClasses.append(LogAudit) AllAuditClasses.append(CrmdStateAudit) AllAuditClasses.append(PartitionAudit) AllAuditClasses.append(PrimitiveAudit) AllAuditClasses.append(GroupAudit) AllAuditClasses.append(CloneAudit) AllAuditClasses.append(ColocationAudit) AllAuditClasses.append(CIBAudit) def AuditList(cm): result = [] for auditclass in AllAuditClasses: a = auditclass(cm) if a.is_applicable(): result.append(a) return result pacemaker-master/cts/CTSlab.py000077500000000000000000000567641217637305600166110ustar00rootroot00000000000000#!/usr/bin/python '''CTS: Cluster Testing System: Lab environment module ''' __copyright__=''' Copyright (C) 2001,2005 Alan Robertson Licensed under the GNU GPL. ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. from UserDict import UserDict import sys, types, string, string, signal, os, socket pdir=os.path.dirname(sys.path[0]) sys.path.insert(0, pdir) # So that things work from the source directory try: from cts.CTSvars import * from cts.CM_ais import * from cts.CM_lha import crm_lha from cts.CTSaudits import AuditList from cts.CTStests import TestList from cts.CTSscenarios import * except ImportError: sys.stderr.write("abort: couldn't find cts libraries in [%s]\n" % ' '.join(sys.path)) sys.stderr.write("(check your install and PYTHONPATH)\n") # Now do it again to get more details from cts.CTSvars import * from cts.CM_ais import * from cts.CM_lha import crm_lha from cts.CTSaudits import AuditList from cts.CTStests import TestList from cts.CTSscenarios import * sys.exit(-1) cm = None Tests = [] Chosen = [] scenario = None # Not really used, the handler in def sig_handler(signum, frame) : if cm: cm.log("Interrupted by signal %d"%signum) if scenario: scenario.summarize() if signum == 15 : if scenario: scenario.TearDown() sys.exit(1) class LabEnvironment(CtsLab): def __init__(self): CtsLab.__init__(self) # Get a random seed for the random number generator. self["DoStandby"] = 1 self["DoFencing"] = 1 self["XmitLoss"] = "0.0" self["RecvLoss"] = "0.0" self["ClobberCIB"] = 0 self["CIBfilename"] = None self["CIBResource"] = 0 self["DoBSC"] = 0 self["use_logd"] = 0 self["oprofile"] = [] self["warn-inactive"] = 0 self["ListTests"] = 0 self["benchmark"] = 0 self["Schema"] = "pacemaker-1.0" self["Stack"] = "openais" self["stonith-type"] = "external/ssh" self["stonith-params"] = "hostlist=all,livedangerously=yes" self["logger"] = ([StdErrLog(self)]) self["loop-minutes"] = 60 self["valgrind-prefix"] = None self["valgrind-procs"] = "cib crmd attrd pengine stonith-ng" self["valgrind-opts"] = """--leak-check=full --show-reachable=yes --trace-children=no --num-callers=25 --gen-suppressions=all --suppressions="""+CTSvars.CTS_home+"""/cts.supp""" #self["valgrind-opts"] = """--trace-children=no --num-callers=25 --gen-suppressions=all --suppressions="""+CTSvars.CTS_home+"""/cts.supp""" self["experimental-tests"] = 0 self["valgrind-tests"] = 0 self["unsafe-tests"] = 1 self["loop-tests"] = 1 self["scenario"] = "random" self["stats"] = 0 master = socket.gethostname() # Use the IP where possible to avoid name lookup failures for ip in socket.gethostbyname_ex(master)[2]: if ip != "127.0.0.1": master = ip break; self["cts-master"] = master def usage(arg, status=1): print "Illegal argument " + arg print "usage: " + sys.argv[0] +" [options] number-of-iterations" print "\nCommon options: " print "\t [--nodes 'node list'] list of cluster nodes separated by whitespace" print "\t [--group | -g 'name'] use the nodes listed in the named DSH group (~/.dsh/groups/$name)" print "\t [--limit-nodes max] only use the first 'max' cluster nodes supplied with --nodes" print "\t [--stack (v0|v1|cman|corosync|heartbeat|openais)] which cluster stack is installed" print "\t [--list-tests] list the valid tests" print "\t [--benchmark] add the timing information" print "\t " print "Options that CTS will usually auto-detect correctly: " print "\t [--logfile path] where should the test software look for logs from cluster nodes" print "\t [--syslog-facility name] which syslog facility should the test software log to" print "\t [--at-boot (1|0)] does the cluster software start at boot time" print "\t [--test-ip-base ip] offset for generated IP address resources" print "\t " print "Options for release testing: " print "\t [--populate-resources | -r] generate a sample configuration" print "\t [--choose name] run only the named test" print "\t [--stonith (1 | 0 | yes | no | rhcs | ssh)]" print "\t [--once] run all valid tests once" print "\t " print "Additional (less common) options: " print "\t [--clobber-cib | -c ] erase any existing configuration" print "\t [--outputfile path] optional location for the test software to write logs to" print "\t [--trunc] truncate logfile before starting" print "\t [--xmit-loss lost-rate(0.0-1.0)]" print "\t [--recv-loss lost-rate(0.0-1.0)]" print "\t [--standby (1 | 0 | yes | no)]" print "\t [--fencing (1 | 0 | yes | no | rhcs | lha | openstack )]" print "\t [--stonith-type type]" print "\t [--stonith-args name=value]" print "\t [--bsc]" print "\t [--no-loop-tests] dont run looping/time-based tests" print "\t [--no-unsafe-tests] dont run tests that are unsafe for use with ocfs2/drbd" print "\t [--valgrind-tests] include tests using valgrind" print "\t [--experimental-tests] include experimental tests" print "\t [--oprofile 'node list'] list of cluster nodes to run oprofile on]" print "\t [--qarsh] use the QARSH backdoor to access nodes instead of SSH" print "\t [--seed random_seed]" print "\t [--set option=value]" print "\t " print "\t Example: " print "\t python ./CTSlab.py -g virt1 --stack cs -r --stonith ssh --schema pacemaker-1.0 500" sys.exit(status) # # A little test code... # if __name__ == '__main__': Environment = LabEnvironment() rsh = RemoteExec(None, silent=True) NumIter = 0 Version = 1 LimitNodes = 0 TruncateLog = 0 ListTests = 0 HaveSeed = 0 node_list = '' # Set the signal handler signal.signal(15, sig_handler) signal.signal(10, sig_handler) # Process arguments... skipthis=None args=sys.argv[1:] for i in range(0, len(args)): if skipthis: skipthis=None continue elif args[i] == "-l" or args[i] == "--limit-nodes": skipthis=1 LimitNodes = int(args[i+1]) elif args[i] == "-r" or args[i] == "--populate-resources": Environment["CIBResource"] = 1 Environment["ClobberCIB"] = 1 elif args[i] == "-L" or args[i] == "--logfile": skipthis=1 Environment["LogFileName"] = args[i+1] elif args[i] == "--outputfile": skipthis=1 Environment["OutputFile"] = args[i+1] elif args[i] == "--ip" or args[i] == "--test-ip-base": skipthis=1 Environment["IPBase"] = args[i+1] Environment["CIBResource"] = 1 Environment["ClobberCIB"] = 1 elif args[i] == "--oprofile": skipthis=1 Environment["oprofile"] = args[i+1].split(' ') elif args[i] == "--trunc": Environment["TruncateLog"]=1 elif args[i] == "--list-tests" or args[i] == "--list" : Environment["ListTests"]=1 elif args[i] == "--benchmark": Environment["benchmark"]=1 elif args[i] == "--bsc": Environment["DoBSC"] = 1 Environment["scenario"] = "basic-sanity" elif args[i] == "--qarsh": Environment.rsh.enable_qarsh() rsh.enable_qarsh() elif args[i] == "--stonith" or args[i] == "--fencing": skipthis=1 if args[i+1] == "1" or args[i+1] == "yes": Environment["DoFencing"]=1 elif args[i+1] == "0" or args[i+1] == "no": Environment["DoFencing"]=0 elif args[i+1] == "rhcs" or args[i+1] == "xvm" or args[i+1] == "virt": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_xvm" Environment["stonith-params"] = "pcmk_arg_map=domain:uname,delay=0" elif args[i+1] == "ssh" or args[i+1] == "lha": Environment["DoStonith"]=1 Environment["stonith-type"] = "external/ssh" Environment["stonith-params"] = "hostlist=all,livedangerously=yes" elif args[i+1] == "north": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_apc" Environment["stonith-params"] = "ipaddr=north-apc,login=apc,passwd=apc,pcmk_host_map=north-01:2;north-02:3;north-03:4;north-04:5;north-05:6;north-06:7;north-07:9;north-08:10;north-09:11;north-10:12;north-11:13;north-12:14;north-13:15;north-14:18;north-15:17;north-16:19;" elif args[i+1] == "south": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_apc" Environment["stonith-params"] = "ipaddr=south-apc,login=apc,passwd=apc,pcmk_host_map=south-01:2;south-02:3;south-03:4;south-04:5;south-05:6;south-06:7;south-07:9;south-08:10;south-09:11;south-10:12;south-11:13;south-12:14;south-13:15;south-14:18;south-15:17;south-16:19;" elif args[i+1] == "east": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_apc" Environment["stonith-params"] = "ipaddr=east-apc,login=apc,passwd=apc,pcmk_host_map=east-01:2;east-02:3;east-03:4;east-04:5;east-05:6;east-06:7;east-07:9;east-08:10;east-09:11;east-10:12;east-11:13;east-12:14;east-13:15;east-14:18;east-15:17;east-16:19;" elif args[i+1] == "west": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_apc" Environment["stonith-params"] = "ipaddr=west-apc,login=apc,passwd=apc,pcmk_host_map=west-01:2;west-02:3;west-03:4;west-04:5;west-05:6;west-06:7;west-07:9;west-08:10;west-09:11;west-10:12;west-11:13;west-12:14;west-13:15;west-14:18;west-15:17;west-16:19;" elif args[i+1] == "openstack": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_openstack" print "Obtaining OpenStack credentials from the current environment" Environment["stonith-params"] = "region=%s,tenant=%s,auth=%s,user=%s,password=%s" % ( os.environ['OS_REGION_NAME'], os.environ['OS_TENANT_NAME'], os.environ['OS_AUTH_URL'], os.environ['OS_USERNAME'], os.environ['OS_PASSWORD'] ) elif args[i+1] == "rhevm": Environment["DoStonith"]=1 Environment["stonith-type"] = "fence_rhevm" print "Obtaining RHEV-M credentials from the current environment" Environment["stonith-params"] = "login=%s,passwd=%s,ipaddr=%s,ipport=%s,ssl=1,shell_timeout=10" % ( os.environ['RHEVM_USERNAME'], os.environ['RHEVM_PASSWORD'], os.environ['RHEVM_SERVER'], os.environ['RHEVM_PORT'], ) else: usage(args[i+1]) elif args[i] == "--stonith-type": Environment["stonith-type"] = args[i+1] skipthis=1 elif args[i] == "--stonith-args": Environment["stonith-params"] = args[i+1] skipthis=1 elif args[i] == "--standby": skipthis=1 if args[i+1] == "1" or args[i+1] == "yes": Environment["DoStandby"] = 1 elif args[i+1] == "0" or args[i+1] == "no": Environment["DoStandby"] = 0 else: usage(args[i+1]) elif args[i] == "--clobber-cib" or args[i] == "-c": Environment["ClobberCIB"] = 1 elif args[i] == "--cib-filename": skipthis=1 Environment["CIBfilename"] = args[i+1] elif args[i] == "--xmit-loss": try: float(args[i+1]) except ValueError: print ("--xmit-loss parameter should be float") usage(args[i+1]) skipthis=1 Environment["XmitLoss"] = args[i+1] elif args[i] == "--recv-loss": try: float(args[i+1]) except ValueError: print ("--recv-loss parameter should be float") usage(args[i+1]) skipthis=1 Environment["RecvLoss"] = args[i+1] elif args[i] == "--choose": skipthis=1 Chosen.append(args[i+1]) Environment["scenario"] = "sequence" elif args[i] == "--nodes": skipthis=1 node_list = args[i+1].split(' ') elif args[i] == "-g" or args[i] == "--group" or args[i] == "--dsh-group": skipthis=1 Environment["OutputFile"] = "%s/cluster-%s.log" % (os.environ['HOME'], args[i+1]) dsh_file = "%s/.dsh/group/%s" % (os.environ['HOME'], args[i+1]) if os.path.isfile(dsh_file): node_list = [] f = open(dsh_file, 'r') for line in f: l = line.strip().rstrip() if not l.startswith('#'): node_list.append(l) f.close() else: print("Unknown DSH group: %s" % args[i+1]) elif args[i] == "--syslog-facility" or args[i] == "--facility": skipthis=1 Environment["SyslogFacility"] = args[i+1] elif args[i] == "--seed": skipthis=1 Environment.SeedRandom(args[i+1]) elif args[i] == "--warn-inactive": Environment["warn-inactive"] = 1 elif args[i] == "--schema": skipthis=1 Environment["Schema"] = args[i+1] elif args[i] == "--ais": Environment["Stack"] = "openais" elif args[i] == "--at-boot" or args[i] == "--cluster-starts-at-boot": skipthis=1 if args[i+1] == "1" or args[i+1] == "yes": Environment["at-boot"] = 1 elif args[i+1] == "0" or args[i+1] == "no": Environment["at-boot"] = 0 else: usage(args[i+1]) elif args[i] == "--heartbeat" or args[i] == "--lha": Environment["Stack"] = "heartbeat" elif args[i] == "--hae": Environment["Stack"] = "openais" Environment["Schema"] = "hae" elif args[i] == "--stack": if args[i+1] == "fedora" or args[i+1] == "fedora-17" or args[i+1] == "fedora-18": Environment["Stack"] = "corosync" elif args[i+1] == "rhel-6": Environment["Stack"] = "cman" elif args[i+1] == "rhel-7": Environment["Stack"] = "corosync" else: Environment["Stack"] = args[i+1] skipthis=1 elif args[i] == "--once": Environment["scenario"] = "all-once" elif args[i] == "--boot": Environment["scenario"] = "boot" elif args[i] == "--valgrind-tests": Environment["valgrind-tests"] = 1 elif args[i] == "--no-loop-tests": Environment["loop-tests"] = 0 elif args[i] == "--loop-minutes": skipthis=1 try: Environment["loop-minutes"]=int(args[i+1]) except ValueError: usage(args[i]) elif args[i] == "--no-unsafe-tests": Environment["unsafe-tests"] = 0 elif args[i] == "--experimental-tests": Environment["experimental-tests"] = 1 elif args[i] == "--set": skipthis=1 (name, value) = args[i+1].split('=') Environment[name] = value print "Setting %s = %s" % (name, value) elif args[i] == "--": break else: try: NumIter=int(args[i]) except ValueError: usage(args[i]) if Environment["DoBSC"]: NumIter = 2 LimitNodes = 1 Chosen.append("AddResource") Environment["ClobberCIB"] = 1 Environment["CIBResource"] = 0 Environment["logger"].append(FileLog(Environment, Environment["LogFileName"])) elif Environment["OutputFile"]: Environment["logger"].append(FileLog(Environment, Environment["OutputFile"])) elif Environment["SyslogFacility"]: Environment["logger"].append(SysLog(Environment)) if Environment["Stack"] == "heartbeat" or Environment["Stack"] == "lha": Environment["Stack"] = "heartbeat" Environment['CMclass'] = crm_lha elif Environment["Stack"] == "openais" or Environment["Stack"] == "ais" or Environment["Stack"] == "whitetank": Environment["Stack"] = "openais (whitetank)" Environment['CMclass'] = crm_whitetank Environment["use_logd"] = 0 elif Environment["Stack"] == "corosync" or Environment["Stack"] == "cs" or Environment["Stack"] == "mcp": Environment["Stack"] = "corosync 2.x" Environment['CMclass'] = crm_mcp Environment["use_logd"] = 0 elif Environment["Stack"] == "cman": Environment["Stack"] = "corosync (cman)" Environment['CMclass'] = crm_cman Environment["use_logd"] = 0 elif Environment["Stack"] == "v1": Environment["Stack"] = "corosync (plugin v1)" Environment['CMclass'] = crm_cs_v1 Environment["use_logd"] = 0 elif Environment["Stack"] == "v0": Environment["Stack"] = "corosync (plugin v0)" Environment['CMclass'] = crm_cs_v0 Environment["use_logd"] = 0 else: print "Unknown stack: "+Environment["Stack"] sys.exit(1) if len(node_list) < 1: print "No nodes specified!" sys.exit(1) if LimitNodes > 0: if len(node_list) > LimitNodes: print("Limiting the number of nodes configured=%d (max=%d)" %(len(node_list), LimitNodes)) while len(node_list) > LimitNodes: node_list.pop(len(node_list)-1) Environment["nodes"] = [] for n in node_list: if len(n.strip()): Environment["nodes"].append(n.strip()) discover = random.Random().choice(Environment["nodes"]) Environment["have_systemd"] = not rsh(discover, "systemctl list-units") # Detect syslog variant if not Environment.has_key("syslogd") or not Environment["syslogd"]: if Environment["have_systemd"]: # Systemd Environment["syslogd"] = rsh(discover, "systemctl list-units | grep syslog.*\.service.*active.*running | sed 's:.service.*::'", stdout=1) else: # SYS-V Environment["syslogd"] = rsh(discover, "chkconfig | grep syslog.*on | awk '{print $1}' | head -n 1", stdout=1) if not Environment.has_key("syslogd") or not Environment["syslogd"]: # default Environment["syslogd"] = "rsyslog" # Detect if the cluster starts at boot if not Environment.has_key("at-boot"): atboot = 0 if Environment["have_systemd"]: # Systemd atboot = atboot or not rsh(discover, "systemctl is-enabled heartbeat.service") atboot = atboot or not rsh(discover, "systemctl is-enabled corosync.service") atboot = atboot or not rsh(discover, "systemctl is-enabled pacemaker.service") else: # SYS-V atboot = atboot or not rsh(discover, "chkconfig | grep -e corosync.*on -e heartbeat.*on -e pacemaker.*on") Environment["at-boot"] = atboot # Try to determinw an offset for IPaddr resources if Environment["CIBResource"] and not Environment.has_key("IPBase"): network=rsh(discover, "ip addr | grep inet | grep -v -e link -e inet6 -e '/32' -e ' lo' | awk '{print $2}'", stdout=1).strip() Environment["IPBase"] = rsh(discover, "nmap -sn -n %s | grep 'scan report' | tail -n 1 | awk '{print $NF}' | sed 's:(::' | sed 's:)::'" % network, stdout=1).strip() if not Environment["IPBase"]: Environment["IPBase"] = "127.0.0.10" Environment.log("Could not determine an offset for IPaddr resources. Perhaps nmap is not installed on the nodes.") Environment.log("Defaulting to '%s', use --test-ip-base to override" % Environment["IPBase"]) # Create the Cluster Manager object cm = Environment['CMclass'](Environment) if TruncateLog: Environment.log("Truncating %s" % LogFile) lf = open(LogFile, "w"); if lf != None: lf.truncate(0) lf.close() Audits = AuditList(cm) if Environment["ListTests"] == 1 : Tests = TestList(cm, Audits) Environment.log("Total %d tests"%len(Tests)) for test in Tests : Environment.log(str(test.name)); sys.exit(0) if len(Chosen) == 0: Tests = TestList(cm, Audits) else: for TestCase in Chosen: match = None for test in TestList(cm, Audits): if test.name == TestCase: match = test if not match: usage("--choose: No applicable/valid tests chosen") else: Tests.append(match) # Scenario selection if Environment["scenario"] == "basic-sanity": scenario = RandomTests(cm, [ BasicSanityCheck(Environment) ], Audits, Tests) elif Environment["scenario"] == "all-once": NumIter = len(Tests) scenario = AllOnce( cm, [ BootCluster(Environment), PacketLoss(Environment) ], Audits, Tests) elif Environment["scenario"] == "sequence": scenario = Sequence( cm, [ BootCluster(Environment), PacketLoss(Environment) ], Audits, Tests) elif Environment["scenario"] == "boot": scenario = Boot(cm, [ LeaveBooted(Environment)], Audits, []) else: scenario = RandomTests( cm, [ BootCluster(Environment), PacketLoss(Environment) ], Audits, Tests) Environment.log(">>>>>>>>>>>>>>>> BEGINNING " + repr(NumIter) + " TESTS ") Environment.log("Stack: %s" % Environment["Stack"]) Environment.log("Schema: %s" % Environment["Schema"]) Environment.log("Scenario: %s" % scenario.__doc__) Environment.log("CTS Master: %s" % Environment["cts-master"]) Environment.log("CTS Logfile: %s" % Environment["OutputFile"]) Environment.log("Random Seed: %s" % Environment["RandSeed"]) Environment.log("Syslog variant: %s" % Environment["syslogd"].strip()) Environment.log("System log files: %s" % Environment["LogFileName"]) # Environment.log(" ") if Environment.has_key("IPBase"): Environment.log("Base IP for resources: %s" % Environment["IPBase"]) Environment.log("Cluster starts at boot: %d" % Environment["at-boot"]) Environment.dump() rc = Environment.run(scenario, NumIter) sys.exit(rc) pacemaker-master/cts/CTSscenarios.py000066400000000000000000000411641217637305600200220ustar00rootroot00000000000000from CTS import * from CTStests import CTSTest from CTSaudits import ClusterAudit class ScenarioComponent: def __init__(self, Env): self.Env = Env def IsApplicable(self): '''Return TRUE if the current ScenarioComponent is applicable in the given LabEnvironment given to the constructor. ''' raise ValueError("Abstract Class member (IsApplicable)") def SetUp(self, CM): '''Set up the given ScenarioComponent''' raise ValueError("Abstract Class member (Setup)") def TearDown(self, CM): '''Tear down (undo) the given ScenarioComponent''' raise ValueError("Abstract Class member (Setup)") class Scenario: ( '''The basic idea of a scenario is that of an ordered list of ScenarioComponent objects. Each ScenarioComponent is SetUp() in turn, and then after the tests have been run, they are torn down using TearDown() (in reverse order). A Scenario is applicable to a particular cluster manager iff each ScenarioComponent is applicable. A partially set up scenario is torn down if it fails during setup. ''') def __init__(self, ClusterManager, Components, Audits, Tests): "Initialize the Scenario from the list of ScenarioComponents" self.ClusterManager = ClusterManager self.Components = Components self.Audits = Audits self.Tests = Tests self.BadNews = None self.TestSets = [] self.Stats = {"success":0, "failure":0, "BadNews":0, "skipped":0} self.Sets = [] #self.ns=CTS.NodeStatus(self.Env) for comp in Components: if not issubclass(comp.__class__, ScenarioComponent): raise ValueError("Init value must be subclass of ScenarioComponent") for audit in Audits: if not issubclass(audit.__class__, ClusterAudit): raise ValueError("Init value must be subclass of ClusterAudit") for test in Tests: if not issubclass(test.__class__, CTSTest): raise ValueError("Init value must be a subclass of CTSTest") def IsApplicable(self): ( '''A Scenario IsApplicable() iff each of its ScenarioComponents IsApplicable() ''' ) for comp in self.Components: if not comp.IsApplicable(): return None return 1 def SetUp(self): '''Set up the Scenario. Return TRUE on success.''' self.audit() # Also detects remote/local log config self.ClusterManager.prepare() self.ClusterManager.ns.WaitForAllNodesToComeUp(self.ClusterManager.Env["nodes"]) self.audit() if self.ClusterManager.Env["valgrind-tests"]: self.ClusterManager.install_helper("cts.supp") self.BadNews = LogWatcher(self.ClusterManager.Env, self.ClusterManager["LogFileName"], self.ClusterManager["BadRegexes"], "BadNews", 0) self.BadNews.setwatch() # Call after we've figured out what type of log watching to do in LogAudit j=0 while j < len(self.Components): if not self.Components[j].SetUp(self.ClusterManager): # OOPS! We failed. Tear partial setups down. self.audit() self.ClusterManager.log("Tearing down partial setup") self.TearDown(j) return None j=j+1 self.audit() return 1 def TearDown(self, max=None): '''Tear Down the Scenario - in reverse order.''' if max == None: max = len(self.Components)-1 j=max while j >= 0: self.Components[j].TearDown(self.ClusterManager) j=j-1 self.audit() def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not self.Stats.has_key(name): self.Stats[name]=0 self.Stats[name] = self.Stats[name]+1 def run(self, Iterations): self.ClusterManager.oprofileStart() try: self.run_loop(Iterations) self.ClusterManager.oprofileStop() except: self.ClusterManager.oprofileStop() raise def run_loop(self, Iterations): raise ValueError("Abstract Class member (run_loop)") def run_test(self, test, testcount): nodechoice = self.ClusterManager.Env.RandomNode() ret = 1 where = "" did_run = 0 self.ClusterManager.Env.StatsMark(testcount) self.ClusterManager.instance_errorstoignore_clear() self.ClusterManager.log(("Running test %s" % test.name).ljust(35) + (" (%s) " % nodechoice).ljust(15) +"["+ ("%d" % testcount).rjust(3) +"]") starttime = test.set_timer() if not test.setup(nodechoice): self.ClusterManager.log("Setup failed") ret = 0 elif not test.canrunnow(nodechoice): self.ClusterManager.log("Skipped") test.skipped() else: did_run = 1 ret = test(nodechoice) if not test.teardown(nodechoice): self.ClusterManager.log("Teardown failed") answer = raw_input('Continue? [nY] ') if answer and answer == "n": raise ValueError("Teardown of %s on %s failed" % (test.name, nodechoice)) ret = 0 stoptime=time.time() self.ClusterManager.oprofileSave(testcount) elapsed_time = stoptime - starttime test_time = stoptime - test.get_timer() if not test.has_key("min_time"): test["elapsed_time"] = elapsed_time test["min_time"] = test_time test["max_time"] = test_time else: test["elapsed_time"] = test["elapsed_time"] + elapsed_time if test_time < test["min_time"]: test["min_time"] = test_time if test_time > test["max_time"]: test["max_time"] = test_time if ret: self.incr("success") test.log_timer() else: self.incr("failure") self.ClusterManager.statall() did_run = 1 # Force the test count to be incrimented anyway so test extraction works self.audit(test.errorstoignore()) return did_run def summarize(self): self.ClusterManager.log("****************") self.ClusterManager.log("Overall Results:" + repr(self.Stats)) self.ClusterManager.log("****************") stat_filter = { "calls":0, "failure":0, "skipped":0, "auditfail":0, } self.ClusterManager.log("Test Summary") for test in self.Tests: for key in stat_filter.keys(): stat_filter[key] = test.Stats[key] self.ClusterManager.log(("Test %s: "%test.name).ljust(25) + " %s"%repr(stat_filter)) self.ClusterManager.debug("Detailed Results") for test in self.Tests: self.ClusterManager.debug(("Test %s: "%test.name).ljust(25) + " %s"%repr(test.Stats)) self.ClusterManager.log("<<<<<<<<<<<<<<<< TESTS COMPLETED") def audit(self, LocalIgnore=[]): errcount=0 ignorelist = [] ignorelist.append("CTS:") ignorelist.extend(LocalIgnore) ignorelist.extend(self.ClusterManager.errorstoignore()) ignorelist.extend(self.ClusterManager.instance_errorstoignore()) # This makes sure everything is stabilized before starting... failed = 0 for audit in self.Audits: if not audit(): self.ClusterManager.log("Audit " + audit.name() + " FAILED.") failed += 1 else: self.ClusterManager.debug("Audit " + audit.name() + " passed.") while errcount < 1000: match = None if self.BadNews: match=self.BadNews.look(0) if match: add_err = 1 for ignore in ignorelist: if add_err == 1 and re.search(ignore, match): add_err = 0 if add_err == 1: self.ClusterManager.log("BadNews: " + match) self.incr("BadNews") errcount=errcount+1 else: break else: answer = raw_input('Big problems. Continue? [nY]') if answer and answer == "n": self.ClusterManager.log("Shutting down.") self.summarize() self.TearDown() raise ValueError("Looks like we hit a BadNews jackpot!") return failed class AllOnce(Scenario): '''Every Test Once''' # Accessable as __doc__ def run_loop(self, Iterations): testcount=1 for test in self.Tests: self.run_test(test, testcount) testcount += 1 class RandomTests(Scenario): '''Random Test Execution''' def run_loop(self, Iterations): testcount=1 while testcount <= Iterations: test = self.ClusterManager.Env.RandomGen.choice(self.Tests) self.run_test(test, testcount) testcount += 1 class BasicSanity(Scenario): '''Basic Cluster Sanity''' def run_loop(self, Iterations): testcount=1 while testcount <= Iterations: test = self.Environment.RandomGen.choice(self.Tests) self.run_test(test, testcount) testcount += 1 class Sequence(Scenario): '''Named Tests in Sequence''' def run_loop(self, Iterations): testcount=1 while testcount <= Iterations: for test in self.Tests: self.run_test(test, testcount) testcount += 1 class Boot(Scenario): '''Start the Cluster''' def run_loop(self, Iterations): testcount=0 class BootCluster(ScenarioComponent): ( '''BootCluster is the most basic of ScenarioComponents. This ScenarioComponent simply starts the cluster manager on all the nodes. It is fairly robust as it waits for all nodes to come up before starting as they might have been rebooted or crashed for some reason beforehand. ''') def __init__(self, Env): pass def IsApplicable(self): '''BootCluster is so generic it is always Applicable''' return 1 def SetUp(self, CM): '''Basic Cluster Manager startup. Start everything''' CM.prepare() # Clear out the cobwebs ;-) self.TearDown(CM) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on all nodes.") return CM.startall(verbose=True, quick=True) def TearDown(self, CM): '''Set up the given ScenarioComponent''' # Stop the cluster manager everywhere CM.log("Stopping Cluster Manager on all nodes") return CM.stopall(verbose=True) class LeaveBooted(BootCluster): def TearDown(self, CM): '''Set up the given ScenarioComponent''' # Stop the cluster manager everywhere CM.log("Leaving Cluster running on all nodes") return 1 class PingFest(ScenarioComponent): ( '''PingFest does a flood ping to each node in the cluster from the test machine. If the LabEnvironment Parameter PingSize is set, it will be used as the size of ping packet requested (via the -s option). If it is not set, it defaults to 1024 bytes. According to the manual page for ping: Outputs packets as fast as they come back or one hundred times per second, whichever is more. For every ECHO_REQUEST sent a period ``.'' is printed, while for every ECHO_REPLY received a backspace is printed. This provides a rapid display of how many packets are being dropped. Only the super-user may use this option. This can be very hard on a net- work and should be used with caution. ''' ) def __init__(self, Env): self.Env = Env def IsApplicable(self): '''PingFests are always applicable ;-) ''' return 1 def SetUp(self, CM): '''Start the PingFest!''' self.PingSize=1024 if CM.Env.has_key("PingSize"): self.PingSize=CM.Env["PingSize"] CM.log("Starting %d byte flood pings" % self.PingSize) self.PingPids=[] for node in CM.Env["nodes"]: self.PingPids.append(self._pingchild(node)) CM.log("Ping PIDs: " + repr(self.PingPids)) return 1 def TearDown(self, CM): '''Stop it right now! My ears are pinging!!''' for pid in self.PingPids: if pid != None: CM.log("Stopping ping process %d" % pid) os.kill(pid, signal.SIGKILL) def _pingchild(self, node): Args = ["ping", "-qfn", "-s", str(self.PingSize), node] sys.stdin.flush() sys.stdout.flush() sys.stderr.flush() pid = os.fork() if pid < 0: self.Env.log("Cannot fork ping child") return None if pid > 0: return pid # Otherwise, we're the child process. os.execvp("ping", Args) self.Env.log("Cannot execvp ping: " + repr(Args)) sys.exit(1) class PacketLoss(ScenarioComponent): ( ''' It would be useful to do some testing of CTS with a modest amount of packet loss enabled - so we could see that everything runs like it should with a certain amount of packet loss present. ''') def IsApplicable(self): '''always Applicable''' return 1 def SetUp(self, CM): '''Reduce the reliability of communications''' if float(CM.Env["XmitLoss"]) == 0 and float(CM.Env["RecvLoss"]) == 0 : return 1 for node in CM.Env["nodes"]: CM.reducecomm_node(node) CM.log("Reduce the reliability of communications") return 1 def TearDown(self, CM): '''Fix the reliability of communications''' if float(CM.Env["XmitLoss"]) == 0 and float(CM.Env["RecvLoss"]) == 0 : return 1 for node in CM.Env["nodes"]: CM.unisolate_node(node) CM.log("Fix the reliability of communications") class BasicSanityCheck(ScenarioComponent): ( ''' ''') def IsApplicable(self): return self.Env["DoBSC"] def SetUp(self, CM): CM.prepare() # Clear out the cobwebs self.TearDown(CM) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on BSC node(s).") return CM.startall() def TearDown(self, CM): CM.log("Stopping Cluster Manager on BSC node(s).") return CM.stopall() class Benchmark(ScenarioComponent): ( ''' ''') def IsApplicable(self): return self.Env["benchmark"] def SetUp(self, CM): CM.prepare() # Clear out the cobwebs self.TearDown(CM) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on all node(s).") return CM.startall() def TearDown(self, CM): CM.log("Stopping Cluster Manager on all node(s).") return CM.stopall() class RollingUpgrade(ScenarioComponent): ( ''' Test a rolling upgrade between two versions of the stack ''') def __init__(self, Env): self.Env = Env def IsApplicable(self): if not self.Env["rpm-dir"]: return None if not self.Env["current-version"]: return None if not self.Env["previous-version"]: return None return 1 def install(self, node, version): target_dir = "/tmp/rpm-%s" % version src_dir = "%s/%s" % (self.CM.Env["rpm-dir"], version) rc = self.CM.rsh(node, "mkdir -p %s" % target_dir) rc = self.CM.cp("%s/*.rpm %s:%s" % (src_dir, node, target_dir)) rc = self.CM.rsh(node, "rpm -Uvh --force %s/*.rpm" % (target_dir)) return self.success() def upgrade(self, node): return self.install(node, self.CM.Env["current-version"]) def downgrade(self, node): return self.install(node, self.CM.Env["previous-version"]) def SetUp(self, CM): CM.prepare() # Clear out the cobwebs CM.stopall() CM.log("Downgrading all nodes to %s." % self.Env["previous-version"]) for node in self.Env["nodes"]: if not self.downgrade(node): CM.log("Couldn't downgrade %s" % node) return None return 1 def TearDown(self, CM): # Stop everything CM.log("Stopping Cluster Manager on Upgrade nodes.") CM.stopall() CM.log("Upgrading all nodes to %s." % self.Env["current-version"]) for node in self.Env["nodes"]: if not self.upgrade(node): CM.log("Couldn't upgrade %s" % node) return None return 1 pacemaker-master/cts/CTStests.py000066400000000000000000002507231217637305600172010ustar00rootroot00000000000000'''CTS: Cluster Testing System: Tests module There are a few things we want to do here: ''' __copyright__=''' Copyright (C) 2000, 2001 Alan Robertson Licensed under the GNU GPL. Add RecourceRecover testcase Zhao Kai ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. # # SPECIAL NOTE: # # Tests may NOT implement any cluster-manager-specific code in them. # EXTEND the ClusterManager object to provide the base capabilities # the test needs if you need to do something that the current CM classes # do not. Otherwise you screw up the whole point of the object structure # in CTS. # # Thank you. # import time, os, re, types, string, tempfile, sys from stat import * from cts import CTS from cts.CTSaudits import * AllTestClasses = [ ] class CTSTest: ''' A Cluster test. We implement the basic set of properties and behaviors for a generic cluster test. Cluster tests track their own statistics. We keep each of the kinds of counts we track as separate {name,value} pairs. ''' def __init__(self, cm): #self.name="the unnamed test" self.Stats = {"calls":0 , "success":0 , "failure":0 , "skipped":0 , "auditfail":0} # if not issubclass(cm.__class__, ClusterManager): # raise ValueError("Must be a ClusterManager object") self.CM = cm self.Audits = [] self.timeout=120 self.passed = 1 self.is_loop = 0 self.is_unsafe = 0 self.is_experimental = 0 self.is_valgrind = 0 self.benchmark = 0 # which tests to benchmark self.timer = {} # timers def has_key(self, key): return self.Stats.has_key(key) def __setitem__(self, key, value): self.Stats[key] = value def __getitem__(self, key): return self.Stats[key] def log_mark(self, msg): self.CM.debug("MARK: test %s %s %d" % (self.name,msg,time.time())) return def get_timer(self,key = "test"): try: return self.timer[key] except: return 0 def set_timer(self,key = "test"): self.timer[key] = time.time() return self.timer[key] def log_timer(self,key = "test"): elapsed = 0 if key in self.timer: elapsed = time.time() - self.timer[key] s = key == "test" and self.name or "%s:%s" %(self.name,key) self.CM.debug("%s runtime: %.2f" % (s, elapsed)) del self.timer[key] return elapsed def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not self.Stats.has_key(name): self.Stats[name]=0 self.Stats[name] = self.Stats[name]+1 # Reset the test passed boolean if name == "calls": self.passed = 1 def failure(self, reason="none"): '''Increment the failure count''' self.passed = 0 self.incr("failure") self.CM.log(("Test %s" % self.name).ljust(35) +" FAILED: %s" % reason) return None def success(self): '''Increment the success count''' self.incr("success") return 1 def skipped(self): '''Increment the skipped count''' self.incr("skipped") return 1 def __call__(self, node): '''Perform the given test''' raise ValueError("Abstract Class member (__call__)") self.incr("calls") return self.failure() def audit(self): passed = 1 if len(self.Audits) > 0: for audit in self.Audits: if not audit(): self.CM.log("Internal %s Audit %s FAILED." % (self.name, audit.name())) self.incr("auditfail") passed = 0 return passed def setup(self, node): '''Setup the given test''' return self.success() def teardown(self, node): '''Tear down the given test''' return self.success() def create_watch(self, patterns, timeout, name=None): if not name: name = self.name return CTS.LogWatcher(self.CM.Env, self.CM["LogFileName"], patterns, name, timeout) def local_badnews(self, prefix, watch, local_ignore=[]): errcount = 0 if not prefix: prefix = "LocalBadNews:" ignorelist = [] ignorelist.append(" CTS: ") ignorelist.append(prefix) ignorelist.extend(local_ignore) while errcount < 100: match=watch.look(0) if match: add_err = 1 for ignore in ignorelist: if add_err == 1 and re.search(ignore, match): add_err = 0 if add_err == 1: self.CM.log(prefix + " " + match) errcount=errcount+1 else: break else: self.CM.log("Too many errors!") return errcount def is_applicable(self): return self.is_applicable_common() def is_applicable_common(self): '''Return TRUE if we are applicable in the current test configuration''' #raise ValueError("Abstract Class member (is_applicable)") if self.is_loop and not self.CM.Env["loop-tests"]: return 0 elif self.is_unsafe and not self.CM.Env["unsafe-tests"]: return 0 elif self.is_valgrind and not self.CM.Env["valgrind-tests"]: return 0 elif self.is_experimental and not self.CM.Env["experimental-tests"]: return 0 elif self.CM.Env["benchmark"] and self.benchmark == 0: return 0 return 1 def find_ocfs2_resources(self, node): self.r_o2cb = None self.r_ocfs2 = [] (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): r = AuditResource(self.CM, line) if r.rtype == "o2cb" and r.parent != "NA": self.CM.debug("Found o2cb: %s" % self.r_o2cb) self.r_o2cb = r.parent if re.search("^Constraint", line): c = AuditConstraint(self.CM, line) if c.type == "rsc_colocation" and c.target == self.r_o2cb: self.r_ocfs2.append(c.rsc) self.CM.debug("Found ocfs2 filesystems: %s" % repr(self.r_ocfs2)) return len(self.r_ocfs2) def canrunnow(self, node): '''Return TRUE if we can meaningfully run right now''' return 1 def errorstoignore(self): '''Return list of errors which are 'normal' and should be ignored''' return [] ################################################################### class StopTest(CTSTest): ################################################################### '''Stop (deactivate) the cluster manager on a node''' def __init__(self, cm): CTSTest.__init__(self, cm) self.name="Stop" def __call__(self, node): '''Perform the 'stop' test. ''' self.incr("calls") if self.CM.ShouldBeStatus[node] != "up": return self.skipped() patterns = [] # Technically we should always be able to notice ourselves stopping patterns.append(self.CM["Pat:We_stopped"] % node) #if self.CM.Env["use_logd"]: # patterns.append(self.CM["Pat:Logd_stopped"] % node) # Any active node needs to notice this one left # NOTE: This wont work if we have multiple partitions for other in self.CM.Env["nodes"]: if self.CM.ShouldBeStatus[other] == "up" and other != node: patterns.append(self.CM["Pat:They_stopped"] %(other, self.CM.key_for_node(node))) #self.debug("Checking %s will notice %s left"%(other, node)) watch = self.create_watch(patterns, self.CM["DeadTime"]) watch.setwatch() if node == self.CM.OurNode: self.incr("us") else: if self.CM.upcount() <= 1: self.incr("all") else: self.incr("them") self.CM.StopaCM(node) watch_result = watch.lookforall() failreason=None UnmatchedList = "||" if watch.unmatched: (rc, output) = self.CM.rsh(node, "/bin/ps axf", None) for line in output: self.CM.debug(line) (rc, output) = self.CM.rsh(node, "/usr/sbin/dlm_tool dump", None) for line in output: self.CM.debug(line) for regex in watch.unmatched: self.CM.log ("ERROR: Shutdown pattern not found: %s" % (regex)) UnmatchedList += regex + "||"; failreason="Missing shutdown pattern" self.CM.cluster_stable(self.CM["DeadTime"]) if not watch.unmatched or self.CM.upcount() == 0: return self.success() if len(watch.unmatched) >= self.CM.upcount(): return self.failure("no match against (%s)" % UnmatchedList) if failreason == None: return self.success() else: return self.failure(failreason) # # We don't register StopTest because it's better when called by # another test... # ################################################################### class StartTest(CTSTest): ################################################################### '''Start (activate) the cluster manager on a node''' def __init__(self, cm, debug=None): CTSTest.__init__(self,cm) self.name="start" self.debug = debug def __call__(self, node): '''Perform the 'start' test. ''' self.incr("calls") if self.CM.upcount() == 0: self.incr("us") else: self.incr("them") if self.CM.ShouldBeStatus[node] != "down": return self.skipped() elif self.CM.StartaCM(node): return self.success() else: return self.failure("Startup %s on node %s failed" %(self.CM["Name"], node)) # # We don't register StartTest because it's better when called by # another test... # ################################################################### class FlipTest(CTSTest): ################################################################### '''If it's running, stop it. If it's stopped start it. Overthrow the status quo... ''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="Flip" self.start = StartTest(cm) self.stop = StopTest(cm) def __call__(self, node): '''Perform the 'Flip' test. ''' self.incr("calls") if self.CM.ShouldBeStatus[node] == "up": self.incr("stopped") ret = self.stop(node) type="up->down" # Give the cluster time to recognize it's gone... time.sleep(self.CM["StableTime"]) elif self.CM.ShouldBeStatus[node] == "down": self.incr("started") ret = self.start(node) type="down->up" else: return self.skipped() self.incr(type) if ret: return self.success() else: return self.failure("%s failure" % type) # Register FlipTest as a good test to run AllTestClasses.append(FlipTest) ################################################################### class RestartTest(CTSTest): ################################################################### '''Stop and restart a node''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="Restart" self.start = StartTest(cm) self.stop = StopTest(cm) self.benchmark = 1 def __call__(self, node): '''Perform the 'restart' test. ''' self.incr("calls") self.incr("node:" + node) ret1 = 1 if self.CM.StataCM(node): self.incr("WasStopped") if not self.start(node): return self.failure("start (setup) failure: "+node) self.set_timer() if not self.stop(node): return self.failure("stop failure: "+node) if not self.start(node): return self.failure("start failure: "+node) return self.success() # Register RestartTest as a good test to run AllTestClasses.append(RestartTest) ################################################################### class StonithdTest(CTSTest): ################################################################### def __init__(self, cm): CTSTest.__init__(self, cm) self.name="Stonithd" self.startall = SimulStartLite(cm) self.benchmark = 1 def __call__(self, node): self.incr("calls") if len(self.CM.Env["nodes"]) < 2: return self.skipped() ret = self.startall(None) if not ret: return self.failure("Setup failed") is_dc = self.CM.is_node_dc(node) watchpats = [] watchpats.append("log_operation: Operation .* for host '%s' with device .* returned: 0" % node) watchpats.append("tengine_stonith_notify: Peer %s was terminated .*: OK" % node) if self.CM.Env["at-boot"] == 0: self.CM.debug("Expecting %s to stay down" % node) self.CM.ShouldBeStatus[node]="down" else: self.CM.debug("Expecting %s to come up again %d" % (node, self.CM.Env["at-boot"])) watchpats.append("%s .*do_state_transition: .* S_STARTING -> S_PENDING" % node) watchpats.append("%s .*do_state_transition: .* S_PENDING -> S_NOT_DC" % node) watch = self.create_watch(watchpats, 30 + self.CM["DeadTime"] + self.CM["StableTime"] + self.CM["StartTime"]) watch.setwatch() origin = self.CM.Env.RandomGen.choice(self.CM.Env["nodes"]) rc = self.CM.rsh(origin, "stonith_admin --reboot %s -VVVVVV" % node) if rc == 194: # 194 - 256 = -62 = Timer expired # # Look for the patterns, usually this means the required # device was running on the node to be fenced - or that # the required devices were in the process of being loaded # and/or moved # # Effectively the node committed suicide so there will be # no confirmation, but pacemaker should be watching and # fence the node again self.CM.log("Fencing command on %s to fence %s timed out" % (origin, node)) elif origin != node and rc != 0: self.CM.debug("Waiting for the cluster to recover") self.CM.cluster_stable() self.CM.debug("Waiting STONITHd node to come back up") self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"], 600) self.CM.log("Fencing command on %s failed to fence %s (rc=%d)" % (origin, node, rc)) elif origin == node and rc != 255: # 255 == broken pipe, ie. the node was fenced as epxected self.CM.log("Logcally originated fencing returned %d" % rc) self.set_timer("fence") matched = watch.lookforall() self.log_timer("fence") self.set_timer("reform") if watch.unmatched: self.CM.log("Patterns not found: " + repr(watch.unmatched)) self.CM.debug("Waiting for the cluster to recover") self.CM.cluster_stable() self.CM.debug("Waiting STONITHd node to come back up") self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"], 600) self.CM.debug("Waiting for the cluster to re-stabilize with all nodes") is_stable = self.CM.cluster_stable(self.CM["StartTime"]) if not matched: return self.failure("Didn't find all expected patterns") elif not is_stable: return self.failure("Cluster did not become stable") self.log_timer("reform") return self.success() def errorstoignore(self): return [ self.CM["Pat:Fencing_start"] % ".*", self.CM["Pat:Fencing_ok"] % ".*", "error: native_create_actions: Resource .*stonith::.* is active on 2 nodes attempting recovery", "error: remote_op_done: Operation reboot of .*by .* for stonith_admin.*: Timer expired", ] def is_applicable(self): if not self.is_applicable_common(): return 0 if self.CM.Env.has_key("DoFencing"): return self.CM.Env["DoFencing"] return 1 AllTestClasses.append(StonithdTest) ################################################################### class StartOnebyOne(CTSTest): ################################################################### '''Start all the nodes ~ one by one''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="StartOnebyOne" self.stopall = SimulStopLite(cm) self.start = StartTest(cm) self.ns=CTS.NodeStatus(cm.Env) def __call__(self, dummy): '''Perform the 'StartOnebyOne' test. ''' self.incr("calls") # We ignore the "node" parameter... # Shut down all the nodes... ret = self.stopall(None) if not ret: return self.failure("Test setup failed") failed=[] self.set_timer() for node in self.CM.Env["nodes"]: if not self.start(node): failed.append(node) if len(failed) > 0: return self.failure("Some node failed to start: " + repr(failed)) return self.success() # Register StartOnebyOne as a good test to run AllTestClasses.append(StartOnebyOne) ################################################################### class SimulStart(CTSTest): ################################################################### '''Start all the nodes ~ simultaneously''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="SimulStart" self.stopall = SimulStopLite(cm) self.startall = SimulStartLite(cm) def __call__(self, dummy): '''Perform the 'SimulStart' test. ''' self.incr("calls") # We ignore the "node" parameter... # Shut down all the nodes... ret = self.stopall(None) if not ret: return self.failure("Setup failed") self.CM.clear_all_caches() if not self.startall(None): return self.failure("Startall failed") return self.success() # Register SimulStart as a good test to run AllTestClasses.append(SimulStart) ################################################################### class SimulStop(CTSTest): ################################################################### '''Stop all the nodes ~ simultaneously''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="SimulStop" self.startall = SimulStartLite(cm) self.stopall = SimulStopLite(cm) def __call__(self, dummy): '''Perform the 'SimulStop' test. ''' self.incr("calls") # We ignore the "node" parameter... # Start up all the nodes... ret = self.startall(None) if not ret: return self.failure("Setup failed") if not self.stopall(None): return self.failure("Stopall failed") return self.success() # Register SimulStop as a good test to run AllTestClasses.append(SimulStop) ################################################################### class StopOnebyOne(CTSTest): ################################################################### '''Stop all the nodes in order''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="StopOnebyOne" self.startall = SimulStartLite(cm) self.stop = StopTest(cm) def __call__(self, dummy): '''Perform the 'StopOnebyOne' test. ''' self.incr("calls") # We ignore the "node" parameter... # Start up all the nodes... ret = self.startall(None) if not ret: return self.failure("Setup failed") failed=[] self.set_timer() for node in self.CM.Env["nodes"]: if not self.stop(node): failed.append(node) if len(failed) > 0: return self.failure("Some node failed to stop: " + repr(failed)) self.CM.clear_all_caches() return self.success() # Register StopOnebyOne as a good test to run AllTestClasses.append(StopOnebyOne) ################################################################### class RestartOnebyOne(CTSTest): ################################################################### '''Restart all the nodes in order''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="RestartOnebyOne" self.startall = SimulStartLite(cm) def __call__(self, dummy): '''Perform the 'RestartOnebyOne' test. ''' self.incr("calls") # We ignore the "node" parameter... # Start up all the nodes... ret = self.startall(None) if not ret: return self.failure("Setup failed") did_fail=[] self.set_timer() self.restart = RestartTest(self.CM) for node in self.CM.Env["nodes"]: if not self.restart(node): did_fail.append(node) if did_fail: return self.failure("Could not restart %d nodes: %s" %(len(did_fail), repr(did_fail))) return self.success() # Register StopOnebyOne as a good test to run AllTestClasses.append(RestartOnebyOne) ################################################################### class PartialStart(CTSTest): ################################################################### '''Start a node - but tell it to stop before it finishes starting up''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="PartialStart" self.startall = SimulStartLite(cm) self.stopall = SimulStopLite(cm) self.stop = StopTest(cm) #self.is_unsafe = 1 def __call__(self, node): '''Perform the 'PartialStart' test. ''' self.incr("calls") ret = self.stopall(None) if not ret: return self.failure("Setup failed") # FIXME! This should use the CM class to get the pattern # then it would be applicable in general watchpats = [] watchpats.append("crmd.*Connecting to cluster infrastructure") watch = self.create_watch(watchpats, self.CM["DeadTime"]+10) watch.setwatch() self.CM.StartaCMnoBlock(node) ret = watch.lookforall() if not ret: self.CM.log("Patterns not found: " + repr(watch.unmatched)) return self.failure("Setup of %s failed" % node) ret = self.stop(node) if not ret: return self.failure("%s did not stop in time" % node) return self.success() def errorstoignore(self): '''Return list of errors which should be ignored''' # We might do some fencing in the 2-node case if we make it up far enough return [ """Executing reboot fencing operation""" ] # Register StopOnebyOne as a good test to run AllTestClasses.append(PartialStart) ####################################################################### class StandbyTest(CTSTest): ####################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name="Standby" self.benchmark = 1 self.start = StartTest(cm) self.startall = SimulStartLite(cm) # make sure the node is active # set the node to standby mode # check resources, none resource should be running on the node # set the node to active mode # check resouces, resources should have been migrated back (SHOULD THEY?) def __call__(self, node): self.incr("calls") ret=self.startall(None) if not ret: return self.failure("Start all nodes failed") self.CM.debug("Make sure node %s is active" % node) if self.CM.StandbyStatus(node) != "off": if not self.CM.SetStandbyMode(node, "off"): return self.failure("can't set node %s to active mode" % node) self.CM.cluster_stable() status = self.CM.StandbyStatus(node) if status != "off": return self.failure("standby status of %s is [%s] but we expect [off]" % (node, status)) self.CM.debug("Getting resources running on node %s" % node) rsc_on_node = self.CM.active_resources(node) watchpats = [] watchpats.append("do_state_transition:.*-> S_POLICY_ENGINE") watch = self.create_watch(watchpats, self.CM["DeadTime"]+10) watch.setwatch() self.CM.debug("Setting node %s to standby mode" % node) if not self.CM.SetStandbyMode(node, "on"): return self.failure("can't set node %s to standby mode" % node) self.set_timer("on") ret = watch.lookforall() if not ret: self.CM.log("Patterns not found: " + repr(watch.unmatched)) self.CM.SetStandbyMode(node, "off") return self.failure("cluster didn't react to standby change on %s" % node) self.CM.cluster_stable() status = self.CM.StandbyStatus(node) if status != "on": return self.failure("standby status of %s is [%s] but we expect [on]" % (node, status)) self.log_timer("on") self.CM.debug("Checking resources") bad_run = self.CM.active_resources(node) if len(bad_run) > 0: rc = self.failure("%s set to standby, %s is still running on it" % (node, repr(bad_run))) self.CM.debug("Setting node %s to active mode" % node) self.CM.SetStandbyMode(node, "off") return rc self.CM.debug("Setting node %s to active mode" % node) if not self.CM.SetStandbyMode(node, "off"): return self.failure("can't set node %s to active mode" % node) self.set_timer("off") self.CM.cluster_stable() status = self.CM.StandbyStatus(node) if status != "off": return self.failure("standby status of %s is [%s] but we expect [off]" % (node, status)) self.log_timer("off") return self.success() AllTestClasses.append(StandbyTest) ####################################################################### class ValgrindTest(CTSTest): ####################################################################### '''Check for memory leaks''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="Valgrind" self.stopall = SimulStopLite(cm) self.startall = SimulStartLite(cm) self.is_valgrind = 1 self.is_loop = 1 def setup(self, node): self.incr("calls") ret=self.stopall(None) if not ret: return self.failure("Stop all nodes failed") # Enable valgrind self.logPat = "/tmp/%s-*.valgrind" % self.name self.CM.Env["valgrind-prefix"] = self.name self.CM.rsh(node, "rm -f %s" % self.logPat, None) ret=self.startall(None) if not ret: return self.failure("Start all nodes failed") for node in self.CM.Env["nodes"]: (rc, output) = self.CM.rsh(node, "ps u --ppid `pidofproc aisexec`", None) for line in output: self.CM.debug(line) return self.success() def teardown(self, node): # Disable valgrind self.CM.Env["valgrind-prefix"] = None # Return all nodes to normal ret=self.stopall(None) if not ret: return self.failure("Stop all nodes failed") return self.success() def find_leaks(self): # Check for leaks leaked = [] self.stop = StopTest(self.CM) for node in self.CM.Env["nodes"]: (rc, ps_out) = self.CM.rsh(node, "ps u --ppid `pidofproc aisexec`", None) rc = self.stop(node) if not rc: self.failure("Couldn't shut down %s" % node) rc = self.CM.rsh(node, "grep -e indirectly.*lost:.*[1-9] -e definitely.*lost:.*[1-9] -e (ERROR|error).*SUMMARY:.*[1-9].*errors %s" % self.logPat, 0) if rc != 1: leaked.append(node) self.failure("Valgrind errors detected on %s" % node) for line in ps_out: self.CM.log(line) (rc, output) = self.CM.rsh(node, "grep -e lost: -e SUMMARY: %s" % self.logPat, None) for line in output: self.CM.log(line) (rc, output) = self.CM.rsh(node, "cat %s" % self.logPat, None) for line in output: self.CM.debug(line) self.CM.rsh(node, "rm -f %s" % self.logPat, None) return leaked def __call__(self, node): leaked = self.find_leaks() if len(leaked) > 0: return self.failure("Nodes %s leaked" % repr(leaked)) return self.success() def errorstoignore(self): '''Return list of errors which should be ignored''' return [ """cib:.*readCibXmlFile:""", """HA_VALGRIND_ENABLED""" ] ####################################################################### class StandbyLoopTest(ValgrindTest): ####################################################################### '''Check for memory leaks by putting a node in and out of standby for an hour''' def __init__(self, cm): ValgrindTest.__init__(self,cm) self.name="StandbyLoop" def __call__(self, node): lpc = 0 delay = 2 failed = 0 done=time.time() + self.CM.Env["loop-minutes"]*60 while time.time() <= done and not failed: lpc = lpc + 1 time.sleep(delay) if not self.CM.SetStandbyMode(node, "on"): self.failure("can't set node %s to standby mode" % node) failed = lpc time.sleep(delay) if not self.CM.SetStandbyMode(node, "off"): self.failure("can't set node %s to active mode" % node) failed = lpc leaked = self.find_leaks() if failed: return self.failure("Iteration %d failed" % failed) elif len(leaked) > 0: return self.failure("Nodes %s leaked" % repr(leaked)) return self.success() AllTestClasses.append(StandbyLoopTest) ############################################################################## class BandwidthTest(CTSTest): ############################################################################## # Tests should not be cluster-manager-specific # If you need to find out cluster manager configuration to do this, then # it should be added to the generic cluster manager API. '''Test the bandwidth which heartbeat uses''' def __init__(self, cm): CTSTest.__init__(self, cm) self.name = "Bandwidth" self.start = StartTest(cm) self.__setitem__("min",0) self.__setitem__("max",0) self.__setitem__("totalbandwidth",0) self.tempfile = tempfile.mktemp(".cts") self.startall = SimulStartLite(cm) def __call__(self, node): '''Perform the Bandwidth test''' self.incr("calls") if self.CM.upcount()<1: return self.skipped() Path = self.CM.InternalCommConfig() if "ip" not in Path["mediatype"]: return self.skipped() port = Path["port"][0] port = int(port) ret = self.startall(None) if not ret: return self.failure("Test setup failed") time.sleep(5) # We get extra messages right after startup. fstmpfile = "/var/run/band_estimate" dumpcmd = "tcpdump -p -n -c 102 -i any udp port %d > %s 2>&1" \ % (port, fstmpfile) rc = self.CM.rsh(node, dumpcmd) if rc == 0: farfile = "root@%s:%s" % (node, fstmpfile) self.CM.rsh.cp(farfile, self.tempfile) Bandwidth = self.countbandwidth(self.tempfile) if not Bandwidth: self.CM.log("Could not compute bandwidth.") return self.success() intband = int(Bandwidth + 0.5) self.CM.log("...bandwidth: %d bits/sec" % intband) self.Stats["totalbandwidth"] = self.Stats["totalbandwidth"] + Bandwidth if self.Stats["min"] == 0: self.Stats["min"] = Bandwidth if Bandwidth > self.Stats["max"]: self.Stats["max"] = Bandwidth if Bandwidth < self.Stats["min"]: self.Stats["min"] = Bandwidth self.CM.rsh(node, "rm -f %s" % fstmpfile) os.unlink(self.tempfile) return self.success() else: return self.failure("no response from tcpdump command [%d]!" % rc) def countbandwidth(self, file): fp = open(file, "r") fp.seek(0) count = 0 sum = 0 while 1: line = fp.readline() if not line: return None if re.search("udp",line) or re.search("UDP,", line): count=count+1 linesplit = string.split(line," ") for j in range(len(linesplit)-1): if linesplit[j]=="udp": break if linesplit[j]=="length:": break try: sum = sum + int(linesplit[j+1]) except ValueError: self.CM.log("Invalid tcpdump line: %s" % line) return None T1 = linesplit[0] timesplit = string.split(T1,":") time2split = string.split(timesplit[2],".") time1 = (long(timesplit[0])*60+long(timesplit[1]))*60+long(time2split[0])+long(time2split[1])*0.000001 break while count < 100: line = fp.readline() if not line: return None if re.search("udp",line) or re.search("UDP,", line): count = count+1 linessplit = string.split(line," ") for j in range(len(linessplit)-1): if linessplit[j] =="udp": break if linesplit[j]=="length:": break try: sum=int(linessplit[j+1])+sum except ValueError: self.CM.log("Invalid tcpdump line: %s" % line) return None T2 = linessplit[0] timesplit = string.split(T2,":") time2split = string.split(timesplit[2],".") time2 = (long(timesplit[0])*60+long(timesplit[1]))*60+long(time2split[0])+long(time2split[1])*0.000001 time = time2-time1 if (time <= 0): return 0 return (sum*8)/time def is_applicable(self): '''BandwidthTest never applicable''' return 0 AllTestClasses.append(BandwidthTest) ################################################################### class MaintenanceMode(CTSTest): ################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name="MaintenanceMode" self.start = StartTest(cm) self.startall = SimulStartLite(cm) self.max=30 #self.is_unsafe = 1 self.benchmark = 1 self.action = "asyncmon" self.interval = 0 self.rid="maintenanceDummy" def toggleMaintenanceMode(self, node, action): pats = [] pats.append(self.CM["Pat:DC_IDLE"]) # fail the resource right after turning Maintenance mode on # verify it is not recovered until maintenance mode is turned off if action == "On": pats.append("Updating failcount for %s on .* after .* %s" % (self.rid, self.action)) else: pats.append("process_lrm_event: LRM operation %s_stop_0.*confirmed.*ok" % self.rid) pats.append("process_lrm_event: LRM operation %s_start_0.*confirmed.*ok" % self.rid) watch = self.create_watch(pats, 60) watch.setwatch() self.CM.debug("Turning maintenance mode %s" % action) self.CM.rsh(node, self.CM["MaintenanceMode%s" % (action)]) if (action == "On"): self.CM.rsh(node, "crm_resource -V -F -r %s -H %s &>/dev/null" % (self.rid, node)) self.set_timer("recover%s" % (action)) watch.lookforall() self.log_timer("recover%s" % (action)) if watch.unmatched: self.CM.debug("Failed to find patterns when turning maintenance mode %s" % action) return repr(watch.unmatched) return "" def insertMaintenanceDummy(self, node): pats = [] pats.append(".*%s.*process_lrm_event: LRM operation %s_start_0.*confirmed.*ok" % (node, self.rid)) watch = self.create_watch(pats, 60) watch.setwatch() self.CM.AddDummyRsc(node, self.rid) self.set_timer("addDummy") watch.lookforall() self.log_timer("addDummy") if watch.unmatched: self.CM.debug("Failed to find patterns when adding maintenance dummy resource") return repr(watch.unmatched) return "" def removeMaintenanceDummy(self, node): pats = [] pats.append("process_lrm_event: LRM operation %s_stop_0.*confirmed.*ok" % self.rid) watch = self.create_watch(pats, 60) watch.setwatch() self.CM.RemoveDummyRsc(node, self.rid) self.set_timer("removeDummy") watch.lookforall() self.log_timer("removeDummy") if watch.unmatched: self.CM.debug("Failed to find patterns when removing maintenance dummy resource") return repr(watch.unmatched) return "" def managedRscList(self, node): rscList = [] (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): tmp = AuditResource(self.CM, line) if tmp.managed(): rscList.append(tmp.id) return rscList def verifyResources(self, node, rscList, managed): managedList = list(rscList) managed_str = "managed" if not managed: managed_str = "unmanaged" (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): tmp = AuditResource(self.CM, line) if managed and not tmp.managed(): continue elif not managed and tmp.managed(): continue elif managedList.count(tmp.id): managedList.remove(tmp.id) if len(managedList) == 0: self.CM.debug("Found all %s resources on %s" % (managed_str, node)) return True self.CM.log("Could not find all %s resources on %s. %s" % (managed_str, node, managedList)) return False def __call__(self, node): '''Perform the 'MaintenanceMode' test. ''' self.incr("calls") verify_managed = False verify_unmanaged = False failPat = "" ret = self.startall(None) if not ret: return self.failure("Setup failed") # get a list of all the managed resources. We use this list # after enabling maintenance mode to verify all managed resources # become un-managed. After maintenance mode is turned off, we use # this list to verify all the resources become managed again. managedResources = self.managedRscList(node) if len(managedResources) == 0: self.CM.log("No managed resources on %s" % node) return self.skipped() # insert a fake resource we can fail during maintenance mode # so we can verify recovery does not take place until after maintenance # mode is disabled. failPat = failPat + self.insertMaintenanceDummy(node) # toggle maintenance mode ON, then fail dummy resource. failPat = failPat + self.toggleMaintenanceMode(node, "On") # verify all the resources are now unmanaged if self.verifyResources(node, managedResources, False): verify_unmanaged = True # Toggle maintenance mode OFF, verify dummy is recovered. failPat = failPat + self.toggleMaintenanceMode(node, "Off") # verify all the resources are now managed again if self.verifyResources(node, managedResources, True): verify_managed = True # Remove our maintenance dummy resource. failPat = failPat + self.removeMaintenanceDummy(node) self.CM.cluster_stable() if failPat != "": return self.failure("Unmatched patterns: %s" % (failPat)) elif verify_unmanaged is False: return self.failure("Failed to verify resources became unmanaged during maintenance mode") elif verify_managed is False: return self.failure("Failed to verify resources switched back to managed after disabling maintenance mode") return self.success() def errorstoignore(self): '''Return list of errors which should be ignored''' return [ """Updating failcount for %s""" % self.rid, """LogActions: Recover %s""" % self.rid, """Unknown operation: fail""", """(ERROR|error): sending stonithRA op to stonithd failed.""", """(ERROR|error): process_lrm_event: LRM operation %s_%s_%d""" % (self.rid, self.action, self.interval), """(ERROR|error): process_graph_event: Action %s_%s_%d .* initiated outside of a transition""" % (self.rid, self.action, self.interval), ] AllTestClasses.append(MaintenanceMode) ################################################################### class ResourceRecover(CTSTest): ################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name="ResourceRecover" self.start = StartTest(cm) self.startall = SimulStartLite(cm) self.max=30 self.rid=None self.rid_alt=None #self.is_unsafe = 1 self.benchmark = 1 # these are the values used for the new LRM API call self.action = "asyncmon" self.interval = 0 def __call__(self, node): '''Perform the 'ResourceRecover' test. ''' self.incr("calls") ret = self.startall(None) if not ret: return self.failure("Setup failed") resourcelist = self.CM.active_resources(node) # if there are no resourcelist, return directly if len(resourcelist)==0: self.CM.log("No active resources on %s" % node) return self.skipped() self.rid = self.CM.Env.RandomGen.choice(resourcelist) self.rid_alt = self.rid rsc = None (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): tmp = AuditResource(self.CM, line) if tmp.id == self.rid: rsc = tmp # Handle anonymous clones that get renamed self.rid = rsc.clone_id break if not rsc: return self.failure("Could not find %s in the resource list" % self.rid) self.CM.debug("Shooting %s aka. %s" % (rsc.clone_id, rsc.id)) pats = [] pats.append("Updating failcount for %s on .* after .* %s" % (self.rid, self.action)) if rsc.managed(): pats.append("process_lrm_event: LRM operation %s_stop_0.*confirmed.*ok" % self.rid) if rsc.unique(): pats.append("process_lrm_event: LRM operation %s_start_0.*confirmed.*ok" % self.rid) else: # Anonymous clones may get restarted with a different clone number pats.append("process_lrm_event: LRM operation .*_start_0.*confirmed.*ok") watch = self.create_watch(pats, 60) watch.setwatch() self.CM.rsh(node, "crm_resource -V -F -r %s -H %s &>/dev/null" % (self.rid, node)) self.set_timer("recover") watch.lookforall() self.log_timer("recover") self.CM.cluster_stable() recovered=self.CM.ResourceLocation(self.rid) if watch.unmatched: return self.failure("Patterns not found: %s" % repr(watch.unmatched)) elif rsc.unique() and len(recovered) > 1: return self.failure("%s is now active on more than one node: %s"%(self.rid, repr(recovered))) elif len(recovered) > 0: self.CM.debug("%s is running on: %s" %(self.rid, repr(recovered))) elif rsc.managed(): return self.failure("%s was not recovered and is inactive" % self.rid) return self.success() def errorstoignore(self): '''Return list of errors which should be ignored''' return [ """Updating failcount for %s""" % self.rid, """LogActions: Recover %s""" % self.rid, """LogActions: Recover %s""" % self.rid_alt, """Unknown operation: fail""", """(ERROR|error): sending stonithRA op to stonithd failed.""", """(ERROR|error): process_lrm_event: LRM operation %s_%s_%d""" % (self.rid, self.action, self.interval), """(ERROR|error): process_graph_event: Action %s_%s_%d .* initiated outside of a transition""" % (self.rid, self.action, self.interval), ] AllTestClasses.append(ResourceRecover) ################################################################### class ComponentFail(CTSTest): ################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name="ComponentFail" self.startall = SimulStartLite(cm) self.complist = cm.Components() self.patterns = [] self.okerrpatterns = [] self.is_unsafe = 1 def __call__(self, node): '''Perform the 'ComponentFail' test. ''' self.incr("calls") self.patterns = [] self.okerrpatterns = [] # start all nodes ret = self.startall(None) if not ret: return self.failure("Setup failed") if not self.CM.cluster_stable(self.CM["StableTime"]): return self.failure("Setup failed - unstable") node_is_dc = self.CM.is_node_dc(node, None) # select a component to kill chosen = self.CM.Env.RandomGen.choice(self.complist) while chosen.dc_only == 1 and node_is_dc == 0: chosen = self.CM.Env.RandomGen.choice(self.complist) self.CM.debug("...component %s (dc=%d,boot=%d)" % (chosen.name, node_is_dc,chosen.triggersreboot)) self.incr(chosen.name) if chosen.name != "aisexec" and chosen.name != "corosync": if self.CM["Name"] != "crm-lha" or chosen.name != "pengine": self.patterns.append(self.CM["Pat:ChildKilled"] %(node, chosen.name)) self.patterns.append(self.CM["Pat:ChildRespawn"] %(node, chosen.name)) self.patterns.extend(chosen.pats) if node_is_dc: self.patterns.extend(chosen.dc_pats) # In an ideal world, this next stuff should be in the "chosen" object as a member function if self.CM["Name"] == "crm-lha" and chosen.triggersreboot: # Make sure the node goes down and then comes back up if it should reboot... for other in self.CM.Env["nodes"]: if other != node: self.patterns.append(self.CM["Pat:They_stopped"] %(other, self.CM.key_for_node(node))) self.patterns.append(self.CM["Pat:Slave_started"] % node) self.patterns.append(self.CM["Pat:Local_started"] % node) if chosen.dc_only: # Sometimes these will be in the log, and sometimes they won't... self.okerrpatterns.append("%s .*Process %s:.* exited" %(node, chosen.name)) self.okerrpatterns.append("%s .*I_ERROR.*crmdManagedChildDied" %node) self.okerrpatterns.append("%s .*The %s subsystem terminated unexpectedly" %(node, chosen.name)) self.okerrpatterns.append("(ERROR|error): Client .* exited with return code") else: # Sometimes this won't be in the log... self.okerrpatterns.append(self.CM["Pat:ChildKilled"] %(node, chosen.name)) self.okerrpatterns.append(self.CM["Pat:ChildRespawn"] %(node, chosen.name)) self.okerrpatterns.append(self.CM["Pat:ChildExit"]) # supply a copy so self.patterns doesnt end up empty tmpPats = [] tmpPats.extend(self.patterns) self.patterns.extend(chosen.badnews_ignore) # Look for STONITH ops, depending on Env["at-boot"] we might need to change the nodes status stonithPats = [] stonithPats.append(self.CM["Pat:Fencing_ok"] % node) stonith = self.create_watch(stonithPats, 0) stonith.setwatch() # set the watch for stable watch = self.create_watch( tmpPats, self.CM["DeadTime"] + self.CM["StableTime"] + self.CM["StartTime"]) watch.setwatch() # kill the component chosen.kill(node) self.CM.debug("Waiting for the cluster to recover") self.CM.cluster_stable() self.CM.debug("Waiting for any STONITHd node to come back up") self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"], 600) self.CM.debug("Waiting for the cluster to re-stabilize with all nodes") self.CM.cluster_stable(self.CM["StartTime"]) self.CM.debug("Checking if %s was shot" % node) shot = stonith.look(60) if shot: self.CM.debug("Found: "+ repr(shot)) self.okerrpatterns.append(self.CM["Pat:Fencing_start"] % node) if self.CM.Env["at-boot"] == 0: self.CM.ShouldBeStatus[node]="down" # If fencing occurred, chances are many (if not all) the expected logs # will not be sent - or will be lost when the node reboots return self.success() # check for logs indicating a graceful recovery matched = watch.lookforall(allow_multiple_matches=1) if watch.unmatched: self.CM.log("Patterns not found: " + repr(watch.unmatched)) self.CM.debug("Waiting for the cluster to re-stabilize with all nodes") is_stable = self.CM.cluster_stable(self.CM["StartTime"]) if not matched: return self.failure("Didn't find all expected patterns") elif not is_stable: return self.failure("Cluster did not become stable") return self.success() def errorstoignore(self): '''Return list of errors which should be ignored''' # Note that okerrpatterns refers to the last time we ran this test # The good news is that this works fine for us... self.okerrpatterns.extend(self.patterns) return self.okerrpatterns AllTestClasses.append(ComponentFail) #################################################################### class SplitBrainTest(CTSTest): #################################################################### '''It is used to test split-brain. when the path between the two nodes break check the two nodes both take over the resource''' def __init__(self,cm): CTSTest.__init__(self,cm) self.name = "SplitBrain" self.start = StartTest(cm) self.startall = SimulStartLite(cm) self.is_experimental = 1 def isolate_partition(self, partition): other_nodes = [] other_nodes.extend(self.CM.Env["nodes"]) for node in partition: try: other_nodes.remove(node) except ValueError: self.CM.log("Node "+node+" not in " + repr(self.CM.Env["nodes"]) + " from " +repr(partition)) if len(other_nodes) == 0: return 1 self.CM.debug("Creating partition: " + repr(partition)) self.CM.debug("Everyone else: " + repr(other_nodes)) for node in partition: if not self.CM.isolate_node(node, other_nodes): self.CM.log("Could not isolate %s" % node) return 0 return 1 def heal_partition(self, partition): other_nodes = [] other_nodes.extend(self.CM.Env["nodes"]) for node in partition: try: other_nodes.remove(node) except ValueError: self.CM.log("Node "+node+" not in " + repr(self.CM.Env["nodes"])) if len(other_nodes) == 0: return 1 self.CM.debug("Healing partition: " + repr(partition)) self.CM.debug("Everyone else: " + repr(other_nodes)) for node in partition: self.CM.unisolate_node(node, other_nodes) def __call__(self, node): '''Perform split-brain test''' self.incr("calls") self.passed = 1 partitions = {} ret = self.startall(None) if not ret: return self.failure("Setup failed") while 1: # Retry until we get multiple partitions partitions = {} p_max = len(self.CM.Env["nodes"]) for node in self.CM.Env["nodes"]: p = self.CM.Env.RandomGen.randint(1, p_max) if not partitions.has_key(p): partitions[p]= [] partitions[p].append(node) p_max = len(partitions.keys()) if p_max > 1: break # else, try again self.CM.debug("Created %d partitions" % p_max) for key in partitions.keys(): self.CM.debug("Partition["+str(key)+"]:\t"+repr(partitions[key])) # Disabling STONITH to reduce test complexity for now self.CM.rsh(node, "crm_attribute -V -n stonith-enabled -v false") for key in partitions.keys(): self.isolate_partition(partitions[key]) count = 30 while count > 0: if len(self.CM.find_partitions()) != p_max: time.sleep(10) else: break else: self.failure("Expected partitions were not created") # Target number of partitions formed - wait for stability if not self.CM.cluster_stable(): self.failure("Partitioned cluster not stable") # Now audit the cluster state self.CM.partitions_expected = p_max if not self.audit(): self.failure("Audits failed") self.CM.partitions_expected = 1 # And heal them again for key in partitions.keys(): self.heal_partition(partitions[key]) # Wait for a single partition to form count = 30 while count > 0: if len(self.CM.find_partitions()) != 1: time.sleep(10) count -= 1 else: break else: self.failure("Cluster did not reform") # Wait for it to have the right number of members count = 30 while count > 0: members = [] partitions = self.CM.find_partitions() if len(partitions) > 0: members = partitions[0].split() if len(members) != len(self.CM.Env["nodes"]): time.sleep(10) count -= 1 else: break else: self.failure("Cluster did not completely reform") # Wait up to 20 minutes - the delay is more preferable than # trying to continue with in a messed up state if not self.CM.cluster_stable(1200): self.failure("Reformed cluster not stable") answer = raw_input('Continue? [nY]') if answer and answer == "n": raise ValueError("Reformed cluster not stable") # Turn fencing back on if self.CM.Env["DoFencing"]: self.CM.rsh(node, "crm_attribute -V -D -n stonith-enabled") self.CM.cluster_stable() if self.passed: return self.success() return self.failure("See previous errors") def errorstoignore(self): '''Return list of errors which are 'normal' and should be ignored''' return [ "Another DC detected:", "(ERROR|error): attrd_cib_callback: .*Application of an update diff failed", "crmd_ha_msg_callback:.*not in our membership list", "CRIT:.*node.*returning after partition", ] def is_applicable(self): if not self.is_applicable_common(): return 0 return len(self.CM.Env["nodes"]) > 2 AllTestClasses.append(SplitBrainTest) #################################################################### class Reattach(CTSTest): #################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name="Reattach" self.startall = SimulStartLite(cm) self.restart1 = RestartTest(cm) self.stopall = SimulStopLite(cm) self.is_unsafe = 0 # Handled by canrunnow() def setup(self, node): attempt=0 if not self.startall(None): return None # Make sure we are really _really_ stable and that all # resources, including those that depend on transient node # attributes, are started while not self.CM.cluster_stable(double_check=True): if attempt < 5: attempt += 1 self.CM.debug("Not stable yet, re-testing") else: self.CM.log("Cluster is not stable") return None return 1 def teardown(self, node): # Make sure 'node' is up start = StartTest(self.CM) start(node) is_managed = self.CM.rsh(node, "crm_attribute -Q -G -t crm_config -n is-managed-default -d true", 1) is_managed = is_managed[:-1] # Strip off the newline if is_managed != "true": self.CM.log("Attempting to re-enable resource management on %s (%s)" % (node, is_managed)) managed = self.create_watch(["is-managed-default"], 60) managed.setwatch() self.CM.rsh(node, "crm_attribute -V -D -n is-managed-default") if not managed.lookforall(): self.CM.log("Patterns not found: " + repr(managed.unmatched)) self.CM.log("Could not re-enable resource management") return 0 return 1 def canrunnow(self, node): '''Return TRUE if we can meaningfully run right now''' if self.find_ocfs2_resources(node): self.CM.log("Detach/Reattach scenarios are not possible with OCFS2 services present") return 0 return 1 def __call__(self, node): self.incr("calls") pats = [] managed = self.create_watch(["is-managed-default"], 60) managed.setwatch() self.CM.debug("Disable resource management") self.CM.rsh(node, "crm_attribute -V -n is-managed-default -v false") if not managed.lookforall(): self.CM.log("Patterns not found: " + repr(managed.unmatched)) return self.failure("Resource management not disabled") pats = [] pats.append("process_lrm_event: .*_stop") pats.append("process_lrm_event: .*_start") pats.append("process_lrm_event: .*_promote") pats.append("process_lrm_event: .*_demote") pats.append("process_lrm_event: .*_migrate") watch = self.create_watch(pats, 60, "ShutdownActivity") watch.setwatch() self.CM.debug("Shutting down the cluster") ret = self.stopall(None) if not ret: self.CM.debug("Re-enable resource management") self.CM.rsh(node, "crm_attribute -V -D -n is-managed-default") return self.failure("Couldn't shut down the cluster") self.CM.debug("Bringing the cluster back up") ret = self.startall(None) time.sleep(5) # allow ping to update the CIB if not ret: self.CM.debug("Re-enable resource management") self.CM.rsh(node, "crm_attribute -V -D -n is-managed-default") return self.failure("Couldn't restart the cluster") if self.local_badnews("ResourceActivity:", watch): self.CM.debug("Re-enable resource management") self.CM.rsh(node, "crm_attribute -V -D -n is-managed-default") return self.failure("Resources stopped or started during cluster restart") watch = self.create_watch(pats, 60, "StartupActivity") watch.setwatch() managed = self.create_watch(["is-managed-default"], 60) managed.setwatch() self.CM.debug("Re-enable resource management") self.CM.rsh(node, "crm_attribute -V -D -n is-managed-default") if not managed.lookforall(): self.CM.log("Patterns not found: " + repr(managed.unmatched)) return self.failure("Resource management not enabled") self.CM.cluster_stable() # Ignore actions for STONITH resources ignore = [] (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): r = AuditResource(self.CM, line) if r.rclass == "stonith": self.CM.debug("Ignoring start actions for %s" % r.id) ignore.append("process_lrm_event: LRM operation %s_start_0.*confirmed.*ok" % r.id) if self.local_badnews("ResourceActivity:", watch, ignore): return self.failure("Resources stopped or started after resource management was re-enabled") return ret def errorstoignore(self): '''Return list of errors which should be ignored''' return [ "resources were active at shutdown", "pingd: .*(ERROR|error): send_ipc_message:", "pingd: .*(ERROR|error): send_update:", "lrmd: .*(ERROR|error): notify_client:", ] def is_applicable(self): if self.CM["Name"] == "crm-lha": return None return 1 AllTestClasses.append(Reattach) #################################################################### class SpecialTest1(CTSTest): #################################################################### '''Set up a custom test to cause quorum failure issues for Andrew''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="SpecialTest1" self.startall = SimulStartLite(cm) self.restart1 = RestartTest(cm) self.stopall = SimulStopLite(cm) def __call__(self, node): '''Perform the 'SpecialTest1' test for Andrew. ''' self.incr("calls") # Shut down all the nodes... ret = self.stopall(None) if not ret: return self.failure("Could not stop all nodes") # Start the selected node ret = self.restart1(node) if not ret: return self.failure("Could not start "+node) # Start all remaining nodes ret = self.startall(None) if not ret: return self.failure("Could not start the remaining nodes") return self.success() AllTestClasses.append(SpecialTest1) #################################################################### class HAETest(CTSTest): #################################################################### '''Set up a custom test to cause quorum failure issues for Andrew''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="HAETest" self.stopall = SimulStopLite(cm) self.startall = SimulStartLite(cm) self.is_loop = 1 def setup(self, node): # Start all remaining nodes ret = self.startall(None) if not ret: return self.failure("Couldn't start all nodes") return self.success() def teardown(self, node): # Stop everything ret = self.stopall(None) if not ret: return self.failure("Couldn't stop all nodes") return self.success() def wait_on_state(self, node, resource, expected_clones, attempts=240): while attempts > 0: active=0 (rc, lines) = self.CM.rsh(node, "crm_resource -r %s -W -Q" % resource, stdout=None) # Hack until crm_resource does the right thing if rc == 0 and lines: active = len(lines) if len(lines) == expected_clones: return 1 elif rc == 1: self.CM.debug("Resource %s is still inactive" % resource) elif rc == 234: self.CM.log("Unknown resource %s" % resource) return 0 elif rc == 246: self.CM.log("Cluster is inactive") return 0 elif rc != 0: self.CM.log("Call to crm_resource failed, rc=%d" % rc) return 0 else: self.CM.debug("Resource %s is active on %d times instead of %d" % (resource, active, expected_clones)) attempts -= 1 time.sleep(1) return 0 def find_dlm(self, node): self.r_dlm = None (rc, lines) = self.CM.rsh(node, "crm_resource -c", None) for line in lines: if re.search("^Resource", line): r = AuditResource(self.CM, line) if r.rtype == "controld" and r.parent != "NA": self.CM.debug("Found dlm: %s" % self.r_dlm) self.r_dlm = r.parent return 1 return 0 def find_hae_resources(self, node): self.r_dlm = None self.r_o2cb = None self.r_ocfs2 = [] if self.find_dlm(node): self.find_ocfs2_resources(node) def is_applicable(self): if not self.is_applicable_common(): return 0 if self.CM.Env["Schema"] == "hae": return 1 return None #################################################################### class HAERoleTest(HAETest): #################################################################### def __init__(self, cm): '''Lars' mount/unmount test for the HA extension. ''' HAETest.__init__(self,cm) self.name="HAERoleTest" def change_state(self, node, resource, target): rc = self.CM.rsh(node, "crm_resource -V -r %s -p target-role -v %s --meta" % (resource, target)) return rc def __call__(self, node): self.incr("calls") lpc = 0 failed = 0 delay = 2 done=time.time() + self.CM.Env["loop-minutes"]*60 self.find_hae_resources(node) clone_max = len(self.CM.Env["nodes"]) while time.time() <= done and not failed: lpc = lpc + 1 self.change_state(node, self.r_dlm, "Stopped") if not self.wait_on_state(node, self.r_dlm, 0): self.failure("%s did not go down correctly" % self.r_dlm) failed = lpc self.change_state(node, self.r_dlm, "Started") if not self.wait_on_state(node, self.r_dlm, clone_max): self.failure("%s did not come up correctly" % self.r_dlm) failed = lpc if not self.wait_on_state(node, self.r_o2cb, clone_max): self.failure("%s did not come up correctly" % self.r_o2cb) failed = lpc for fs in self.r_ocfs2: if not self.wait_on_state(node, fs, clone_max): self.failure("%s did not come up correctly" % fs) failed = lpc if failed: return self.failure("iteration %d failed" % failed) return self.success() AllTestClasses.append(HAERoleTest) #################################################################### class HAEStandbyTest(HAETest): #################################################################### '''Set up a custom test to cause quorum failure issues for Andrew''' def __init__(self, cm): HAETest.__init__(self,cm) self.name="HAEStandbyTest" def change_state(self, node, resource, target): rc = self.CM.rsh(node, "crm_standby -V -l reboot -v %s" % (target)) return rc def __call__(self, node): self.incr("calls") lpc = 0 failed = 0 done=time.time() + self.CM.Env["loop-minutes"]*60 self.find_hae_resources(node) clone_max = len(self.CM.Env["nodes"]) while time.time() <= done and not failed: lpc = lpc + 1 self.change_state(node, self.r_dlm, "true") if not self.wait_on_state(node, self.r_dlm, clone_max-1): self.failure("%s did not go down correctly" % self.r_dlm) failed = lpc self.change_state(node, self.r_dlm, "false") if not self.wait_on_state(node, self.r_dlm, clone_max): self.failure("%s did not come up correctly" % self.r_dlm) failed = lpc if not self.wait_on_state(node, self.r_o2cb, clone_max): self.failure("%s did not come up correctly" % self.r_o2cb) failed = lpc for fs in self.r_ocfs2: if not self.wait_on_state(node, fs, clone_max): self.failure("%s did not come up correctly" % fs) failed = lpc if failed: return self.failure("iteration %d failed" % failed) return self.success() AllTestClasses.append(HAEStandbyTest) ################################################################### class NearQuorumPointTest(CTSTest): ################################################################### ''' This test brings larger clusters near the quorum point (50%). In addition, it will test doing starts and stops at the same time. Here is how I think it should work: - loop over the nodes and decide randomly which will be up and which will be down Use a 50% probability for each of up/down. - figure out what to do to get into that state from the current state - in parallel, bring up those going up and bring those going down. ''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="NearQuorumPoint" def __call__(self, dummy): '''Perform the 'NearQuorumPoint' test. ''' self.incr("calls") startset = [] stopset = [] stonith = self.CM.prepare_fencing_watcher("NearQuorumPoint") #decide what to do with each node for node in self.CM.Env["nodes"]: action = self.CM.Env.RandomGen.choice(["start","stop"]) #action = self.CM.Env.RandomGen.choice(["start","stop","no change"]) if action == "start" : startset.append(node) elif action == "stop" : stopset.append(node) self.CM.debug("start nodes:" + repr(startset)) self.CM.debug("stop nodes:" + repr(stopset)) #add search patterns watchpats = [ ] for node in stopset: if self.CM.ShouldBeStatus[node] == "up": watchpats.append(self.CM["Pat:We_stopped"] % node) for node in startset: if self.CM.ShouldBeStatus[node] == "down": #watchpats.append(self.CM["Pat:Slave_started"] % node) watchpats.append(self.CM["Pat:Local_started"] % node) else: for stopping in stopset: if self.CM.ShouldBeStatus[stopping] == "up": watchpats.append(self.CM["Pat:They_stopped"] % (node, self.CM.key_for_node(stopping))) if len(watchpats) == 0: return self.skipped() if len(startset) != 0: watchpats.append(self.CM["Pat:DC_IDLE"]) watch = self.create_watch(watchpats, self.CM["DeadTime"]+10) watch.setwatch() #begin actions for node in stopset: if self.CM.ShouldBeStatus[node] == "up": self.CM.StopaCMnoBlock(node) for node in startset: if self.CM.ShouldBeStatus[node] == "down": self.CM.StartaCMnoBlock(node) #get the result if watch.lookforall(): self.CM.cluster_stable() self.CM.fencing_cleanup("NearQuorumPoint", stonith) return self.success() self.CM.log("Warn: Patterns not found: " + repr(watch.unmatched)) #get the "bad" nodes upnodes = [] for node in stopset: if self.CM.StataCM(node) == 1: upnodes.append(node) downnodes = [] for node in startset: if self.CM.StataCM(node) == 0: downnodes.append(node) self.CM.fencing_cleanup,("NearQuorumPoint", stonith) if upnodes == [] and downnodes == []: self.CM.cluster_stable() # Make sure they're completely down with no residule for node in stopset: self.CM.rsh(node, self.CM["StopCmd"]) return self.success() if len(upnodes) > 0: self.CM.log("Warn: Unstoppable nodes: " + repr(upnodes)) if len(downnodes) > 0: self.CM.log("Warn: Unstartable nodes: " + repr(downnodes)) return self.failure() def is_applicable(self): if self.CM["Name"] == "crm-cman": return None return 1 AllTestClasses.append(NearQuorumPointTest) ################################################################### class RollingUpgradeTest(CTSTest): ################################################################### '''Perform a rolling upgrade of the cluster''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="RollingUpgrade" self.start = StartTest(cm) self.stop = StopTest(cm) self.stopall = SimulStopLite(cm) self.startall = SimulStartLite(cm) def setup(self, node): # Start all remaining nodes ret = self.stopall(None) if not ret: return self.failure("Couldn't stop all nodes") for node in self.CM.Env["nodes"]: if not self.downgrade(node, None): return self.failure("Couldn't downgrade %s" % node) ret = self.startall(None) if not ret: return self.failure("Couldn't start all nodes") return self.success() def teardown(self, node): # Stop everything ret = self.stopall(None) if not ret: return self.failure("Couldn't stop all nodes") for node in self.CM.Env["nodes"]: if not self.upgrade(node, None): return self.failure("Couldn't upgrade %s" % node) return self.success() def install(self, node, version, start=1, flags="--force"): target_dir = "/tmp/rpm-%s" % version src_dir = "%s/%s" % (self.CM.Env["rpm-dir"], version) self.CM.log("Installing %s on %s with %s" % (version, node, flags)) if not self.stop(node): return self.failure("stop failure: "+node) rc = self.CM.rsh(node, "mkdir -p %s" % target_dir) rc = self.CM.rsh(node, "rm -f %s/*.rpm" % target_dir) (rc, lines) = self.CM.rsh(node, "ls -1 %s/*.rpm" % src_dir, None) for line in lines: line = line[:-1] rc = self.CM.rsh.cp("%s" % (line), "%s:%s/" % (node, target_dir)) rc = self.CM.rsh(node, "rpm -Uvh %s %s/*.rpm" % (flags, target_dir)) if start and not self.start(node): return self.failure("start failure: "+node) return self.success() def upgrade(self, node, start=1): return self.install(node, self.CM.Env["current-version"], start) def downgrade(self, node, start=1): return self.install(node, self.CM.Env["previous-version"], start, "--force --nodeps") def __call__(self, node): '''Perform the 'Rolling Upgrade' test. ''' self.incr("calls") for node in self.CM.Env["nodes"]: if self.upgrade(node): return self.failure("Couldn't upgrade %s" % node) self.CM.cluster_stable() return self.success() def is_applicable(self): if not self.is_applicable_common(): return None if not self.CM.Env.has_key("rpm-dir"): return None if not self.CM.Env.has_key("current-version"): return None if not self.CM.Env.has_key("previous-version"): return None return 1 # Register RestartTest as a good test to run AllTestClasses.append(RollingUpgradeTest) ################################################################### class BSC_AddResource(CTSTest): ################################################################### '''Add a resource to the cluster''' def __init__(self, cm): CTSTest.__init__(self, cm) self.name="AddResource" self.resource_offset = 0 self.cib_cmd="""cibadmin -C -o %s -X '%s' """ def __call__(self, node): self.incr("calls") self.resource_offset = self.resource_offset + 1 r_id = "bsc-rsc-%s-%d" % (node, self.resource_offset) start_pat = "crmd.*%s_start_0.*confirmed.*ok" patterns = [] patterns.append(start_pat % r_id) watch = self.create_watch(patterns, self.CM["DeadTime"]) watch.setwatch() fields = string.split(self.CM.Env["IPBase"], '.') fields[3] = str(int(fields[3])+1) ip = string.join(fields, '.') self.CM.Env["IPBase"] = ip if not self.make_ip_resource(node, r_id, "ocf", "IPaddr", ip): return self.failure("Make resource %s failed" % r_id) failed = 0 watch_result = watch.lookforall() if watch.unmatched: for regex in watch.unmatched: self.CM.log ("Warn: Pattern not found: %s" % (regex)) failed = 1 if failed: return self.failure("Resource pattern(s) not found") if not self.CM.cluster_stable(self.CM["DeadTime"]): return self.failure("Unstable cluster") return self.success() def make_ip_resource(self, node, id, rclass, type, ip): self.CM.log("Creating %s::%s:%s (%s) on %s" % (rclass,type,id,ip,node)) rsc_xml=""" """ % (id, rclass, type, id, id, ip) node_constraint=""" """ % (id, id, id, id, node) rc = 0 (rc, lines) = self.CM.rsh(node, self.cib_cmd % ("constraints", node_constraint), None) if rc != 0: self.CM.log("Constraint creation failed: %d" % rc) return None (rc, lines) = self.CM.rsh(node, self.cib_cmd % ("resources", rsc_xml), None) if rc != 0: self.CM.log("Resource creation failed: %d" % rc) return None return 1 def is_applicable(self): if self.CM.Env["DoBSC"]: return 1 return None AllTestClasses.append(BSC_AddResource) class SimulStopLite(CTSTest): ################################################################### '''Stop any active nodes ~ simultaneously''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="SimulStopLite" def __call__(self, dummy): '''Perform the 'SimulStopLite' setup work. ''' self.incr("calls") self.CM.debug("Setup: " + self.name) # We ignore the "node" parameter... watchpats = [ ] for node in self.CM.Env["nodes"]: if self.CM.ShouldBeStatus[node] == "up": self.incr("WasStarted") watchpats.append(self.CM["Pat:We_stopped"] % node) #if self.CM.Env["use_logd"]: # watchpats.append(self.CM["Pat:Logd_stopped"] % node) if len(watchpats) == 0: self.CM.clear_all_caches() return self.success() # Stop all the nodes - at about the same time... watch = self.create_watch(watchpats, self.CM["DeadTime"]+10) watch.setwatch() self.set_timer() for node in self.CM.Env["nodes"]: if self.CM.ShouldBeStatus[node] == "up": self.CM.StopaCMnoBlock(node) if watch.lookforall(): self.CM.clear_all_caches() # Make sure they're completely down with no residule for node in self.CM.Env["nodes"]: self.CM.rsh(node, self.CM["StopCmd"]) return self.success() did_fail=0 up_nodes = [] for node in self.CM.Env["nodes"]: if self.CM.StataCM(node) == 1: did_fail=1 up_nodes.append(node) if did_fail: return self.failure("Active nodes exist: " + repr(up_nodes)) self.CM.log("Warn: All nodes stopped but CTS didnt detect: " + repr(watch.unmatched)) self.CM.clear_all_caches() return self.failure("Missing log message: "+repr(watch.unmatched)) def is_applicable(self): '''SimulStopLite is a setup test and never applicable''' return 0 ################################################################### class SimulStartLite(CTSTest): ################################################################### '''Start any stopped nodes ~ simultaneously''' def __init__(self, cm): CTSTest.__init__(self,cm) self.name="SimulStartLite" def __call__(self, dummy): '''Perform the 'SimulStartList' setup work. ''' self.incr("calls") self.CM.debug("Setup: " + self.name) # We ignore the "node" parameter... node_list = [] for node in self.CM.Env["nodes"]: if self.CM.ShouldBeStatus[node] == "down": self.incr("WasStopped") node_list.append(node) self.set_timer() while len(node_list) > 0: watchpats = [ ] uppat = self.CM["Pat:Slave_started"] if self.CM.upcount() == 0: uppat = self.CM["Pat:Local_started"] watchpats.append(self.CM["Pat:DC_IDLE"]) for node in node_list: watchpats.append(uppat % node) watchpats.append(self.CM["Pat:InfraUp"] % node) watchpats.append(self.CM["Pat:PacemakerUp"] % node) # Start all the nodes - at about the same time... watch = self.create_watch(watchpats, self.CM["DeadTime"]+10) watch.setwatch() stonith = self.CM.prepare_fencing_watcher(self.name) for node in node_list: self.CM.StartaCMnoBlock(node) watch.lookforall() node_list = self.CM.fencing_cleanup(self.name, stonith) # Remove node_list messages from watch.unmatched for node in node_list: if watch.unmatched: watch.unmatched.remove(uppat % node) if watch.unmatched: for regex in watch.unmatched: self.CM.log ("Warn: Startup pattern not found: %s" %(regex)) if not self.CM.cluster_stable(): return self.failure("Cluster did not stabilize") did_fail=0 unstable = [] for node in self.CM.Env["nodes"]: if self.CM.StataCM(node) == 0: did_fail=1 unstable.append(node) if did_fail: return self.failure("Unstarted nodes exist: " + repr(unstable)) unstable = [] for node in self.CM.Env["nodes"]: if not self.CM.node_stable(node): did_fail=1 unstable.append(node) if did_fail: return self.failure("Unstable cluster nodes exist: " + repr(unstable)) return self.success() def is_applicable(self): '''SimulStartLite is a setup test and never applicable''' return 0 def TestList(cm, audits): result = [] for testclass in AllTestClasses: bound_test = testclass(cm) if bound_test.is_applicable(): bound_test.Audits = audits result.append(bound_test) return result # vim:ts=4:sw=4:et: pacemaker-master/cts/CTSvars.py.in000077500000000000000000000004511217637305600174110ustar00rootroot00000000000000class CTSvars: CTS_home="@datadir@/@PACKAGE@/tests/cts" Fencing_home="@datadir@/@PACKAGE@/tests/cts" CRM_CONFIG_DIR="@CRM_CONFIG_DIR@" CRM_DAEMON_USER="@CRM_DAEMON_USER@" CRM_DAEMON_DIR="@CRM_DAEMON_DIR@" HA_VARLIBHBDIR="@HA_VARLIBHBDIR@" OCF_ROOT_DIR="@OCF_ROOT_DIR@" pacemaker-master/cts/LSBDummy.in000077500000000000000000000052461217637305600171000ustar00rootroot00000000000000#!/bin/sh # # # Dummy LSB RA. Does nothing but touch and remove a state file # # Copyright (c) 2010 Andrew Beekhof # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: desc="Dummy LSB service" . @OCF_ROOT_DIR@/resource.d/heartbeat/.ocf-directories : ${HA_VARRUN=/tmp} # Backup in case .ocf-directories doesn't exist ####################################################################### success() { echo -ne "[ OK ]\r" } failure() { echo -ne "[FAILED]\r" } # rpm based distros if [ -d @sysconfdir@/sysconfig ]; then [ -f @INITDIR@/functions ] && . @INITDIR@/functions [ -f @sysconfdir@/sysconfig/pacemaker ] && . @sysconfdir@/sysconfig/pacemaker [ -z "$LOCK_FILE" ] && LOCK_FILE="@localstatedir@/lock/subsys/pacemaker" fi # deb based distros if [ -d @sysconfdir@/default ]; then [ -f @sysconfdir@/default/pacemaker ] && . @sysconfdir@/default/pacemaker [ -z "$LOCK_FILE" ] && LOCK_FILE="@localstatedir@/lock/pacemaker" fi dummy_usage() { cat < Copyright (C) 2004 International Business Machines Licensed under the GNU GPL. ''' # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. import string,sys,struct,os,random,time,syslog from cts.CTSvars import * def usage(): print "usage: " + sys.argv[0] \ + " [-2]"\ + " [--ipbase|-i first-test-ip]"\ + " [--ipnum|-n test-ip-num]"\ + " [--help|-h]"\ + " [--perform|-p op]"\ + " [number-of-iterations]" sys.exit(1) def perform_op(ra, ip, op): os.environ["OCF_RA_VERSION_MAJOR"] = "1" os.environ["OCF_RA_VERSION_MINOR"] = "0" os.environ["OCF_ROOT"] = CTSvars.OCF_ROOT_DIR os.environ["OCF_RESOURCE_INSTANCE"] = ip os.environ["OCF_RESOURCE_TYPE"] = ra os.environ["OCF_RESKEY_ip"] = ip os.environ["HA_LOGFILE"] = "/dev/null" os.environ["HA_LOGFACILITY"] = "local7" path = CTSvars.OCF_ROOT_DIR +"/resource.d/heartbeat/" + ra return os.spawnvpe(os.P_WAIT, path, [ra, op], os.environ) def audit(ra, iplist, ipstatus, summary): passed = 1 for ip in iplist: ret = perform_op(ra, ip, "monitor") if ret != ipstatus[ip]: passed = 0 log("audit: status of %s should be %d but it is %d\t [failure]"% (ip,ipstatus[ip],ret)) ipstatus[ip] = ret summary["audit"]["called"] += 1; if passed : summary["audit"]["success"] += 1 else : summary["audit"]["failure"] += 1 def log(towrite): t = time.strftime("%Y/%m/%d_%H:%M:%S\t", time.localtime(time.time())) logstr = t + " "+str(towrite) syslog.syslog(logstr) print logstr if __name__ == '__main__': ra = "IPaddr" ipbase = "127.0.0.10" ipnum = 1 itnum = 50 perform = None summary = { "start":{"called":0,"success":0,"failure":0}, "stop" :{"called":0,"success":0,"failure":0}, "audit":{"called":0,"success":0,"failure":0} } syslog.openlog(sys.argv[0], 0, syslog.LOG_LOCAL7) # Process arguments... skipthis = None args = sys.argv[1:] for i in range(0, len(args)) : if skipthis : skipthis = None continue elif args[i] == "-2" : ra = "IPaddr2" elif args[i] == "--ip" or args[i] == "-i" : skipthis = 1 ipbase = args[i+1] elif args[i] == "--ipnum" or args[i] == "-n" : skipthis = 1 ipnum = int(args[i+1]) elif args[i] == "--perform" or args[i] == "-p" : skipthis = 1 perform = args[i+1] elif args[i] == "--help" or args[i] == "-h" : usage() else: itnum = int(args[i]) log("Begin OCF IPaddr/IPaddr2 Test") # Generate the test ips iplist = [] ipstatus = {} fields = string.split(ipbase, '.') for i in range(0, ipnum) : ip = string.join(fields, '.') iplist.append(ip) ipstatus[ip]=perform_op(ra,ip,"monitor") fields[3] = str(int(fields[3])+1) log("Test ip:" + str(iplist)) # If use ask perform an operation if perform != None: log("Perform opeartion %s"%perform) for ip in iplist: perform_op(ra, ip, perform) log("Done") sys.exit() log("RA Type:" + ra) log("Test Count:" + str(itnum)) # Prepare Random f = open("/dev/urandom", "r") seed=struct.unpack("BBB", f.read(3)) f.close() #seed=(123,321,231) rand = random.Random() rand.seed(seed[0]) log("Test Random Seed:" + str(seed)) # # Begin Tests log(">>>>>>>>>>>>>>>>>>>>>>>>") for i in range(0, itnum): ip = rand.choice(iplist) if ipstatus[ip] == 0: op = "stop" elif ipstatus[ip] == 7: op = "start" else : op = rand.choice(["start","stop"]) ret = perform_op(ra, ip, op) # update status if op == "start" and ret == 0: ipstatus[ip] = 0 elif op == "stop" and ret == 0: ipstatus[ip] = 7 else : ipstatus[ip] = 1 result = "" if ret == 0: result = "success" else : result = "failure" summary[op]["called"] += 1 summary[op][result] += 1 log( "%d:%s %s \t[%s]"%(i, op, ip, result)) audit(ra, iplist, ipstatus, summary) log("<<<<<<<<<<<<<<<<<<<<<<<<") log("start:\t" + str(summary["start"])) log("stop: \t" + str(summary["stop"])) log("audit:\t" + str(summary["audit"])) pacemaker-master/cts/README000066400000000000000000000146561217637305600157760ustar00rootroot00000000000000BASIC REQUIREMENTS BEFORE STARTING: Three or more machines: one test exerciser and two or more test cluster machines. The two test cluster machines need to be on the same subnet and they should have journalling filesystems for all of their filesystems other than /boot You also need a number of free IP addresses on that subnet to test mutual IP address takeover The test exerciser machine doesn't need to be on the same subnet as the test cluster machines. Minimal demands are made on the exerciser machine - it just has to stay up during the tests. However, it does need to have a current copy of the cts test scripts. It is worth noting that these scripts are coordinated with particular versions of Pacemaker, so that in general you have to have the same version of test scripts as the rest of Pacemaker. Install Pacemaker on all machines. Configure cluster communications (Corosync, CMAN or Heartbeat) on the cluster machines and verify everything works. NOTE: Do not run the cluster on the test exerciser machine. NOTE: Wherever machine names are mentioned in these configuration files, they must match the machines' `uname -n` name. This may or may not match the machines' FQDN (fully qualified domain name) - it depends on how you (and your OS) have named the machines. It helps a lot in tracking problems if the three machines' clocks are closely synchronized. xntpd does this, but you can do it by hand if you want. Make sure all your filesystems are journalling filesystems (/boot can be ext2 if you want). This means filesystems like ext3. Here's what you need to do to run CTS: The exerciser needs to be able to ssh over to the cluster nodes as root without a password challenge. Configure ssh accordingly. (see the Mini-HOWTOs at the end for more details) The exerciser needs to be able to resolve the machine names of the test cluster - either by DNS or by /etc/hosts. Now assuming you did all this, what you need to do is run CTSlab.py python ./CTSlab.py [options] number-of-tests-to-run You must specify which nodes are part of the cluster: --nodes, eg. --node "pcmk-1 pcmk-2 pcmk-3" Most people will want to save the output: --outputfile, eg. --outputfile ~/cts.log Unless you want to test your own cluster configuration, you will also want: --clobber-cib --populate-resources --test-ip-base, eg. --test-ip-base 192.168.9.100 and configure some sort of fencing: --stonith, eg. --stonith rhcs to use fence_xvm or --stonith lha to use external/ssh A complete command line might look like: python ./CTSlab.py --nodes "pcmk-1 pcmk-2 pcmk-3" --outputfile ~/cts.log \ --clobber-cib --populate-resources --test-ip-base 192.168.9.100 \ --stonith rhcs 50 For other options, use the --help option and see the Mini-HOWTOs at the end for more details on setting up external/ssh. HINT: To extract the result of a particular test, run: crm_report -T $test ============== Mini-HOWTOs: ============== -------------------------------------------------------------------------------- How to make OpenSSH allow you to login as root across the network without a password. -------------------------------------------------------------------------------- All our scripts run ssh -l root, so you don't have to do any of your testing logged in as root on the test machine 1) Grab your key from the exerciser machine: take the single line out of ~/.ssh/identity.pub and put it into root's authorized_keys file. [This has changed to: copying the line from ~/.ssh/id_dsa.pub into root's authorized_keys file ] NOTE: If you don't have an id_dsa.pub file, create it by running: ssh-keygen -t dsa 2) Run this command on each of the cluster machines as root: ssh -v -l myid ererciser-machine cat /home/myid/.ssh/identity.pub \ >> ~root/.ssh/authorized_keys [For most people, this has changed to: ssh -v -l myid exerciser-machine cat /home/myid/.ssh/id_dsa.pub \ >> ~root/.ssh/authorized_keys ] You will probably have to provide your password, and possibly say "yes" to some questions about accepting the identity of the test machines 3) You must also do the corresponding update for the exerciser machine itself as root: cat /home/myid/.ssh/identity.pub >> ~root/.ssh/authorized_keys To test this, try this command from the exerciser machine for each of your cluster machines, and for the exerciser machine itself. ssh -l root cluster-machine If this works without prompting for a password, you're in business... If not, you need to look at the ssh/openssh documentation and the output from the -v options above... -------------------------------------------------------------------------------- How to configure OpenSSH for StonithdTest -------------------------------------------------------------------------------- This configure enables cluster machines to ssh over to each other without a password challenge. 1) On each of the cluster machines, grab your key: take the single line out of ~/.ssh/identity.pub and put it into root's authorized_keys file. [This has changed to: copying the line from ~/.ssh/id_dsa.pub into root's authorized_keys file ] NOTE: If you don't have an id_dsa.pub file, create it by running: ssh-keygen -t dsa 2) Run this command on each of the cluster machines as root: ssh -v -l myid cluster_machine_1 cat /home/myid/.ssh/identity.pub \ >> ~root/.ssh/authorized_keys ssh -v -l myid cluster_machine_2 cat /home/myid/.ssh/identity.pub \ >> ~root/.ssh/authorized_keys ...... ssh -v -l myid cluster_machine_n cat /home/myid/.ssh/identity.pub \ >> ~root/.ssh/authorized_keys [For most people, this has changed to: ssh -v -l myid cluster_machine cat /home/myid/.ssh/id_dsa.pub \ >> ~root/.ssh/authorized_keys ] You will probably have to provide your password, and possibly say "yes" to some questions about accepting the identity of the test machines To test this, try this command from any machine for each of other cluster machines, and for the machine itself. ssh -l root cluster-machine This should work without prompting for a password, If not, you need to look at the ssh/openssh documentation and the output from the -v options above... 3) Make sure the 'at' daemon is enabled on the test cluster machines This is normally the 'atd' service started by /etc/init.d/atd). This doesn't mean just start it, it means enable it to start on every boot into your default init state (probably either 3 or 5). Usually this can be achieved with: chkconfig --add atd chkconfig atd on pacemaker-master/cts/__init__.py000066400000000000000000000001121217637305600172050ustar00rootroot00000000000000# This file is required for python packages. # It is intentionally empty. pacemaker-master/cts/benchmark/000077500000000000000000000000001217637305600170345ustar00rootroot00000000000000pacemaker-master/cts/benchmark/Makefile.am000066400000000000000000000017401217637305600210720ustar00rootroot00000000000000# # heartbeat: Linux-HA heartbeat code # # Copyright (C) 2001 Michael Moerz # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # MAINTAINERCLEANFILES = Makefile.in EXTRA_DIST = $(bench_SCRIPTS) $(bench_DATA) benchdir = $(datadir)/$(PACKAGE)/tests/cts/benchmark bench_DATA = README.benchmark control bench_SCRIPTS = clubench pacemaker-master/cts/benchmark/README.benchmark000066400000000000000000000050761217637305600216550ustar00rootroot00000000000000Cluster benchmarking tools ========================== This is a set of simple scripts to run and time Pacemaker CTS tests. The purpose is to investigate how the cluster stack behaves for different cluster sizes. Supported cluster stacks are openais (legacy), corosync, and heartbeat. Quick start ----------- - Create a directory to contain the output - Copy the example control file and edit it (optional) - Run the benchmark tests: # /usr/share/pacemaker/tests/cts/clubench (on the first run, it will create ~/.cts file to keep your CTS settings) - Create graphs from bench.csv Description ----------- The clubench shell script runs the benchmark. It depends on the working ssh, syslog configuration (loghost), and cluster configuration (stack dependent). The auxiliary cluster_test script from the CTS may be used to do the CTS configuration. It is stored in ~/.cts. The stack configuration has to be done by other means. Typically, it consists of creating and distributing the basic configuration files (openais.conf, corosync.conf, or ha.cf) and the authentication keys. The benchmark tests configuration is held in the control file: SERIES: a list of cluster sizes to be tested (optional, defaults to the fibonacci series including the node list length) RUNS: how many times to run CTS (optional, defaults to 3) CTSTESTS: CTS options to choose tests (optional, defaults to --benchmark) By default, all benchmark tests are run. Those are Restart Stonithd Standby ResourceRecover The CTS is run several times (RUNS) and then median is calculated. TODO: Stonithd should be updated to exclude time which takes the node to come up. Prerequisites ------------- The benchmark is run on the control host (loghost). The loghost must have the following packages installed: syslog-ng pacemaker The nodes must have the following packages installed: syslog-ng pacemaker cluster stack packages The usual prerequisite for CTS applies: ssh must work for root without password from loghost to all nodes and between nodes. Running the benchmark --------------------- usage: ./clubench dir: working directory (with the control file) # clubench output Output ------ The output is stored in the directory given as argument to clubench. hb_report generated reports are in subdirectories named after the number of nodes of test clusters, e.g. the set from the SERIES variable. The end product is stored in bench.csv. It can be imported in a spreadsheet application to generate graphs. bench.csv contains only medians and timings for all runs are stored in bench.stats. pacemaker-master/cts/benchmark/clubench.in000077500000000000000000000075531217637305600211640ustar00rootroot00000000000000#!/bin/sh # PROG=`basename $0` DIR=`dirname $0` SSHOPTS="-l root -o PasswordAuthentication=no -o ConnectTimeout=5" msg() { echo $@ >&2 } usage() { echo "usage: $0 " echo " dir: working directory (with the control file)" exit 0 } [ $# -eq 0 ] && usage WORKDIR=$1 test -d "$WORKDIR" || usage CTSCTRL=~/.cts CTRL=$WORKDIR/control CSV=$WORKDIR/bench.csv STATS=$WORKDIR/bench.stats test -f $CTRL && . $CTRL @datadir@/@PACKAGE@/tests/cts/cluster_test 500 || { msg "cluster_test failed" exit 1 } test -f $CTSCTRL || { msg no CTS control file $CTSCTRL exit 1 } . $CTSCTRL : ${CTS_logfacility:=local7} : ${CTS_stack:=corosync} : ${CTS_logfile:="/var/log/ha-log-bench"} : ${CTS_adv:="--schema pacemaker-1.2 --clobber-cib -r"} : ${RUNS:=3} : ${CTSTESTS:="--benchmark"} : ${CTSDIR:="@datadir@/@PACKAGE@/tests/cts"} [ "$CTS_node_list" ] || { msg no node list specified exit 1 } case "$CTS_stack" in openais|corosync) HB_REPORT_OPTS="-A";; heartbeat) HB_REPORT_OPTS="";; *) msg "$CTS_stack: cluster stack not recognized"; exit 1;; esac CTSOPTS="--stack $CTS_stack --at-boot $CTS_boot $CTS_adv" CTSOPTS="$CTSOPTS --facility $CTS_logfacility --logfile $CTS_logfile" if [ "x$CTS_stonith" != "x" ]; then CTSOPTS="$CTSOPTS --stonith-type $CTS_stonith" [ "x$CTS_stonith_args" != "x" ] && CTSOPTS="$CTSOPTS --stonitha-params \"$CTS_stonith_args\"" else CTSOPTS="$CTSOPTS --stonith 0" fi CTSOPTS="$CTSOPTS $CTSTESTS" fibonacci() { local limit=$1 local n=2 prev=1 tmp_n while [ $n -le $limit ]; do echo $n tmp_n=$n n=$((n+prev)) prev=$tmp_n done [ $prev -ne $limit ] && echo $limit } [ "$SERIES" ] || SERIES=$(fibonacci `echo $CTS_node_list | wc -w`) get_nodes() { local c_nodes c_nodes=`echo $CTS_node_list | awk -v n=$1 ' { for( i=1; i<=NF; i++ ) node[cnt++]=$i } END{for( i=0; i $odir/ctsrun.out 2>&1 & ctspid=$! tail -f $odir/ctsrun.out & tailpid=$! wait $ctspid kill $tailpid >/dev/null 2>&1 } bench_re='CTS:.*runtime:' diginfo() { local d v local ctsdir=$1 local s="$2" filter=$3 ( cd $ctsdir for r in [0-9]*.tar.bz2; do tar xjf $r d=`basename $r .tar.bz2` for v in `grep $bench_re $d/ha-log.txt | eval $filter`; do s="$s,$v" done rm -r $d done echo $s ) } printheader() { diginfo $1 "" "awk '{print \$(NF-2)}'" } printstats() { diginfo $1 "$clusize" "awk '{print \$(NF)}'" } printmedians() { local f=$1 local s="$clusize" local middle=$((RUNS/2 + 1)) set `head -1 $f | sed 's/,/ /g'` local cols=$# local i v for i in `seq 2 $cols`; do v=`awk -v i=$i -F, '{print $i}' < $f | sort -n | head -$middle | tail -1` s="$s,$v" done echo $s } rm -f $CSV tmpf=`mktemp` test -f "$tmpf" || { msg "can't create temporary file" exit 1 } trap "rm -f $tmpf" 0 for clusize in $SERIES; do nodes=`get_nodes $clusize` outdir=$WORKDIR/$clusize rm -rf $outdir mkdir -p $outdir rm -f $tmpf node_cleanup for i in `seq $RUNS`; do > $CTS_logfile mkdir -p $outdir/$i runcts $outdir/$i mkreports $outdir/$i printstats $outdir/$i >> $tmpf done [ -f "$CSV" ] || printheader $outdir/1 > $CSV printmedians $tmpf >> $CSV cat $tmpf >> $STATS msg "Statistics for $clusize-node cluster saved" done msg "Tests done for series $SERIES, output in $CSV and $STATS" pacemaker-master/cts/benchmark/control000066400000000000000000000002071217637305600204360ustar00rootroot00000000000000# SERIES="2 3 5 8" # test clusters of these sizes # RUNS=3 # how many times to run tests # CTSTESTS="--benchmark" # which tests to run pacemaker-master/cts/cluster_test000077500000000000000000000123431217637305600175530ustar00rootroot00000000000000#!/bin/bash anyAsked=0 if [ -e ~/.cts ]; then . ~/.cts fi CTS_master=`uname -n` CTS_numtests=$1 if [ "x$CTS_master" = "x" ]; then anyAsked=1 printf "This script should only be executed on the test master.\n" printf "The test master will remotely execute the actions required by the tests and should not be part of the cluster itself.\n" read -p "Is this host intended to be the test master? (yN)" CTS_master if [ "x$CTS_master" != "xy" ]; then printf "This script must be executed on the test master\n" exit 1 fi fi if [ "x$CTS_node_list" = "x" ]; then anyAsked=1 read -p "Please list your cluster nodes (eg. node1 node2 node3): " CTS_node_list else printf "Beginning test of cluster: $CTS_node_list\n" fi if [ "x$CTS_stack" = "x" ]; then anyAsked=1 read -p "Which cluster stack are you using? ([corosync], openais, or heartbeat): " CTS_stack if [ -z $CTS_stack ]; then CTS_stack=corosync fi else printf "Using the $CTS_stack cluster stack\n" fi tmp=`echo ${CTS_node_list} | sed s/$HOSTNAME//` if [ "x${CTS_node_list}" != "x${tmp}" ]; then printf "This script must be executed on the test master and the test master cannot be part of the cluster\n" exit 1 fi printf "+ Bootstraping ssh... " if [ -z $SSH_AUTH_SOCK ]; then printf "\n + Initializing SSH " agent_tmp=/tmp/.$$.ssh ssh-agent > $agent_tmp . $agent_tmp rm $agent_tmp printf " + Adding identities...\n" ssh-add rc=$? if [ $rc != 0 ]; then printf " -- No identities added\n" printf "\nThe ability to open key-based 'ssh' connections (as the user 'root') is required to use CTS.\n" read -p " - Do you want this program to help you create one? (yN)" auto_fix if [ "x$auto_fix" = "xy" ]; then ssh-keygen -t dsa ssh-add else printf "Please run 'ssh-keygen -t dsa' to create a new key\n" exit 1 fi fi else printf "OK\n" fi test_ok=1 printf "+ Testing ssh configuration... " for n in $CTS_node_list; do ssh -l root -o PasswordAuthentication=no -o ConnectTimeout=5 $n /bin/true rc=$? if [ $rc != 0 ]; then printf "\n - connection to $n failed" test_ok=0 fi done if [ $test_ok = 0 ]; then printf "\n\nThe ability to open key-based 'ssh' connections (as the user 'root') is required to use CTS.\n" printf " Please install one of your SSH public keys to root's account on all cluster nodes\n" # todo - look for identities and guide the installation of one exit 1 fi printf "OK\n" if [ -z $CTS_logfile ]; then anyAsked=1 read -p " + Where does/should syslog store logs from remote hosts? (/var/log/messages) " CTS_logfile if [ "x$CTS_logfile" = "x" ]; then CTS_logfile=/var/log/messages fi fi if [ ! -e $CTS_logfile ]; then printf "$CTS_logfile doesn't exist\n" exit 1 fi if [ -z $CTS_logfacility ]; then anyAsked=1 read -p " + Which log facility does the cluster use? (daemon) " CTS_logfacility if [ "x$CTS_logfacility" = "x" ]; then CTS_logfacility=daemon fi fi if [ -z $CTS_boot ]; then read -p "+ Is the cluster software started automatically when a node boots? [yN] " CTS_boot if [ -z $CTS_boot ]; then CTS_boot=0 else case $CTS_boot in 1|y|Y) CTS_boot=1;; *) CTS_boot=0;; esac fi fi if [ -z $CTS_numtests ]; then read -p "+ How many test iterations should be performed? (500) " CTS_numtests if [ -z $CTS_numtests ]; then CTS_numtests=500 fi fi if [ -z $CTS_asked_once ]; then anyAsked=1 read -p "+ What type of STONITH agent do you use? (none) " CTS_stonith if [ "x$CTS_stonith" != "x" ]; then read -p "+ List any STONITH agent parameters (eq. device_host=switch.power.com): " CTS_stonith_args fi if [ -z $CTS_adv ]; then read -p "+ (Advanced) Any extra CTS parameters? (none) " CTS_adv fi fi if [ $anyAsked = 1 ]; then read -p "+ Save values to ~/.cts for next time? (yN) " doSave fi if [ "x$doSave" = "xy" ]; then echo "# CTS Test data" > ~/.cts echo CTS_master=\"$CTS_master\" >> ~/.cts echo CTS_stack=\"$CTS_stack\" >> ~/.cts echo CTS_node_list=\"$CTS_node_list\" >> ~/.cts echo CTS_logfile=\"$CTS_logfile\" >> ~/.cts echo CTS_logport=$CTS_logport >> ~/.cts echo CTS_logfacility=$CTS_logfacility >> ~/.cts echo CTS_asked_once=1 >> ~/.cts echo CTS_adv=\"$CTS_adv\" >> ~/.cts echo CTS_stonith=$CTS_stonith >> ~/.cts echo CTS_stonith_args=\"$CTS_stonith_args\" >> ~/.cts echo CTS_boot=\"$CTS_boot\" >> ~/.cts fi cts_extra="" if [ "x$CTS_stonith" != "x" ]; then cts_extra="$cts_extra --stonith-type $CTS_stonith" if [ "x$CTS_stonith_args" != "x" ]; then cts_extra="$cts_extra --stonitha-params \"$CTS_stonith_args\"" fi else cts_extra="$cts_extra --stonith 0" printf " - Testing a cluster without STONITH is like a blunt pencil... pointless\n" fi printf "\nAll set to go for $CTS_numtests iterations!\n" if [ $anyAsked = 0 ]; then printf "+ To use a different configuration, remove ~/.cts and re-run cts (or edit it manually).\n" fi echo Now paste the following command into this shell: echo python "`dirname "$0"`"/CTSlab.py -L $CTS_logfile --syslog-facility $CTS_logfacility --no-unsafe-tests --stack $CTS_stack $CTS_adv --at-boot $CTS_boot $cts_extra $CTS_numtests --nodes \"$CTS_node_list\" pacemaker-master/cts/cts000077500000000000000000000137531217637305600156320ustar00rootroot00000000000000#!/bin/bash cts_root=`dirname $0` stonith=rhcs schema=1.1 stack=mcp logfile=0 summary=0 verbose=0 pengine=0 watch=0 saved=0 tests="" install=0 clean=0 build=0 kill=0 run=0 boot=0 custom_log="" patterns="-e CTS:" # Note the quotes around `$TEMP': they are essential! #TEMP=`getopt -o t:ac:sSvpe:lwf:d --long run,clean -n 'cts' -- "$@"` #eval set -- "$TEMP" while true; do case $1 in -x) set -x; shift;; -a) screen -ls | grep cts exit 0;; -c|-g) cluster_name=$2; shift; shift;; -S) summary=1; saved=1; shift;; -s) summary=1; shift;; -v) verbose=`expr $verbose + 1`; shift;; -p) pengine=1; shift;; -e) patterns="$patterns -e `echo $2 | sed 's/ /\\\W/g'`"; shift; shift;; -l) logfile=1; shift;; -w) watch=1; shift;; -f) summary=1; custom_log=$2; shift; shift;; -t) tests="$tests $2"; shift; shift;; [0-9]*) tests="$tests $1"; shift;; --build|build) build=1; shift;; --kill|kill) kill=1; shift; break;; --run|run) run=1; shift; break;; --boot|boot|start) boot=1; clean=1; shift; break;; --clean|clean) clean=1; shift;; --inst|--install|install) install=1; clean=1; shift;; local-init) local_root= case $cts_root in /*) local_root=`dirname $cts_root`;; *) local_root=`dirname $PWD/$cts_root`;; esac cat << EOF > $cts_root/CTSvars.py class CTSvars: CTS_home="$local_root/cts" Fencing_home="$local_root/fencing" CRM_CONFIG_DIR="/var/lib/pacemaker/cib" CRM_DAEMON_USER="hacluster" CRM_DAEMON_DIR="/usr/libexec/pacemaker" OCF_ROOT_DIR="/usr/lib/ocf" EOF files="extra/cluster-init extra/cluster-helper extra/cluster-clean tools/crm_report.in" for f in $files; do cp $local_root/$f $cts_root/ done cp $local_root/tools/report.common.in $local_root/tools/report.common sed -i.sed s:@localstatedir@:/var: $local_root/tools/report.common cp $cts_root/crm_report.in $cts_root/crm_report sed -i.sed s:@datadir@/@PACKAGE@:$local_root/tools: $cts_root/crm_report chmod +x $cts_root/crm_report cp $cts_root/LSBDummy.in $cts_root/LSBDummy chmod +x $local_root/fencing/fence_* sed -i.sed s:@OCF_ROOT_DIR@:/usr/lib/ocf: $cts_root/LSBDummy exit 0 ;; --wget) files="cluster-helper cluster-clean" for f in $files; do rm -f $cts_root/$f echo "Downloading helper script $f from GitHub" wget -O $cts_root/$f https://raw.github.com/ClusterLabs/pacemaker/master/extra/$f chmod +x $cts_root/$f done shift ;; --) shift; tests="$tests $*"; break;; "") break;; *) echo "Unknown argument: $1"; exit 1;; esac done # Add the location of this script export PATH="$PATH:$cts_root" which cluster-helper &>/dev/null if [ $? != 0 ]; then echo $0 needs the cluster-helper script to be in your path echo You can obtain it from: https://raw.github.com/ClusterLabs/pacemaker/master/extra/cluster-helper exit 1 fi which cluster-clean &>/dev/null if [ $? != 0 ]; then echo $0 needs the cluster-clean script to be in your path echo You can obtain it from: https://raw.github.com/ClusterLabs/pacemaker/master/extra/cluster-clean exit 1 fi if [ "x$cluster_name" = x -o "x$cluster_name" = xpick ]; then clusters=`ls -1 ~/.dsh/group/[a-z]+[0-9] | sed s/.*group.// | tr '\n' ' ' ` echo "custom) interactively define a cluster" for i in $clusters; do echo "$i) `cluster-helper --list short -g $i`" done read -p "Choose a cluster [custom]: " cluster_name echo fi if [ -z $cluster_name ]; then cluster_name=custom fi case $cluster_name in *) cluster_hosts=`cluster-helper --list short -g $cluster_name` cluster_log=~/cluster-$cluster_name.log; ;; custom) read -p "Cluster name: " cluster_name read -p "Cluster hosts: " cluster_hosts read -p "Cluster log file: " cluster_log ;; esac if [ $build = 1 -a $run = 1 ]; then install=1 clean=1 fi if [ $build = 1 ]; then which build-pcmk if [ $? != 0 ]; then echo "You'll need to write/obtain build-pcmk in order to build pacemaker from here. Skipping" else build-pcmk -18 rc=$? if [ $rc != 0 ]; then echo "Build failed: $rc" exit $rc fi fi fi if [ $clean = 1 ]; then rm -f $cluster_log; cluster-clean -g $cluster_name --kill elif [ $kill = 1 ]; then cluster-clean -g $cluster_name --kill-only fi if [ $install = 1 ]; then cluster-helper -g $cluster_name -- yum install -y pacemaker pacemaker-debuginfo pacemaker-cts libqb libqb-debuginfo fi if [ $boot = 1 ]; then $cts_root/CTSlab.py -g $cluster_name -r --stonith $stonith -c --schema pacemaker-$schema --stack $stack --boot rc=$? if [ $rc = 0 ]; then echo "The cluster is ready..." fi exit $rc elif [ $run = 1 ]; then $cts_root/CTSlab.py -g $cluster_name -r --stonith $stonith -c --schema pacemaker-$schema --stack $stack 500 $* exit $? elif [ $clean = 1 ]; then exit 0 fi screen -ls | grep cts-$cluster_name &>/dev/null active=$? if [ ! -z $custom_log ]; then cluster_log=$custom_log fi if [ "x$tests" != x -a "x$tests" != "x " ]; then for t in $tests; do echo "crm_report --cts-log $cluster_log -d -T $t" crm_report --cts-log $cluster_log -d -T $t done elif [ $logfile = 1 ]; then echo $cluster_log elif [ $summary = 1 ]; then files=$cluster_log if [ $saved = 1 ]; then files=`ls -1tr ~/CTS-*/cluster-log.txt` fi for f in $files; do echo $f case $verbose in 0) cat -n $f | grep $patterns | grep -v "CTS: debug:" ;; 1) cat -n $f | grep $patterns | grep -v "CTS:.* cmd:" ;; *) cat -n $f | grep $patterns ;; esac echo "" done elif [ $watch = 1 ]; then case $verbose in 0) tail -F $cluster_log | grep $patterns | grep -v "CTS: debug:" ;; 1) tail -F $cluster_log | grep $patterns | grep -v "CTS:.* cmd:" ;; *) tail -F $cluster_log | grep $patterns ;; esac elif [ $active = 0 ]; then screen -x cts-$cluster_name else touch $cluster_log # . ~/.bashrc # . $BASH_FILES/.heartbeat export cluster_name cluster_hosts cluster_log screen -S cts-$cluster_name bash fi pacemaker-master/cts/cts.supp000066400000000000000000000033661217637305600166140ustar00rootroot00000000000000# # Suppress (verified) bogus or unrelated errors reported by Valgrind # # Don't care # Non-recurring { libqb-dynamic-callsite Memcheck:Leak fun:calloc fun:qb_log_callsites_register } { libqb-init-1 Memcheck:Leak fun:malloc fun:strdup fun:qb_log_filter_ctl2 fun:crm_log_init } { libqb-init-2 Memcheck:Leak fun:calloc fun:qb_log_filter_ctl2 fun:crm_log_init } { pacemaker-init-1 Memcheck:Leak fun:malloc fun:strdup fun:crm_log_init } { glib-1 Memcheck:Leak fun:malloc fun:g_malloc fun:g_slice_alloc fun:g_slist_append fun:g_main_context_new fun:g_main_context_default fun:g_source_attach obj:/usr/lib64/libcrmcommon.so.2.0.0 fun:mainloop_add_signal } { glib-2 Memcheck:Leak fun:malloc fun:g_malloc fun:g_slice_alloc fun:g_slist_prepend fun:g_source_add_poll fun:G_main_add_fd fun:init_ais_connection fun:crm_cluster_connect } { glib-3 Memcheck:Leak fun:calloc fun:g_malloc0 fun:g_main_loop_new } { glib-4 Memcheck:Leak fun:malloc fun:g_malloc fun:g_slice_alloc fun:g_slice_alloc0 obj:/lib64/libglib-2.0.so.0.2200.2 fun:g_main_context_dispatch obj:/lib64/libglib-2.0.so.0.2200.2 fun:g_main_loop_run } # Not verified as bogus { Heartbeat-01 Memcheck:Param unlink(pathname) fun:unlink obj:/usr/lib64/libplumb.so.2.1.0 fun:G_CH_destroy_int obj:/lib64/libglib-2.0.so.0.2200.2 fun:g_main_context_dispatch obj:/lib64/libglib-2.0.so.0.2200.2 fun:g_main_loop_run } { OpenAIS-01 Memcheck:Param socketcall.sendmsg(msg.msg_iov[i]) fun:__sendmsg_nocancel obj:/usr/lib64/libcoroipcc.so.4.0.0 fun:coroipcc_service_connect fun:init_ais_connection fun:crm_cluster_connect } pacemaker-master/doc/000077500000000000000000000000001217637305600150565ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/000077500000000000000000000000001217637305600213545ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/en-US/000077500000000000000000000000001217637305600223035ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/en-US/Ap-Configuration.txt000066400000000000000000000416131217637305600262160ustar00rootroot00000000000000[appendix] == Configuration Recap == === Final Cluster Configuration === ifdef::pcs[] [source,C] ---- # pcs resource Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 pcmk-1 ] Clone Set: dlm-clone [dlm] Started: [ pcmk-2 pcmk-1 ] Clone Set: ClusterIP-clone [ClusterIP] (unique) ClusterIP:0 (ocf::heartbeat:IPaddr2) Started ClusterIP:1 (ocf::heartbeat:IPaddr2) Started Clone Set: WebFS-clone [WebFS] Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSite-clone [WebSite] Started: [ pcmk-1 pcmk-2 ] # pcs resource rsc defaults resource-stickiness: 100 # pcs resource op defaults timeout: 240s # pcs stonith impi-fencing (stonith:fence_ipmilan) Started # pcs property dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 cluster-infrastructure: corosync no-quorum-policy: ignore stonith-enabled: true # pcs constraint Location Constraints: Ordering Constraints: ClusterIP-clone then WebSite-clone WebDataClone then WebSite-clone WebFS-clone then WebSite-clone Colocation Constraints: WebSite-clone with ClusterIP-clone WebFS-clone with WebDataClone (with-rsc-role:Master) WebSite-clone with WebFS-clone # # pcs status Last updated: Fri Sep 14 13:45:34 2012 Last change: Fri Sep 14 13:43:13 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 11 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 pcmk-1 ] Clone Set: dlm-clone [dlm] Started: [ pcmk-1 pcmk-2 ] Clone Set: ClusterIP-clone [ClusterIP] (unique) ClusterIP:0 (ocf::heartbeat:IPaddr2): Started pcmk-1 ClusterIP:1 (ocf::heartbeat:IPaddr2): Started pcmk-2 Clone Set: WebFS-clone [WebFS] Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSite-clone [WebSite] Started: [ pcmk-1 pcmk-2 ] impi-fencing (stonith:fence_ipmilan): Started ---- In xml it should look similar to this. [source,XML] ---- ---- endif::[] ifdef::crmsh[] ..... # crm configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s" primitive ipmi-fencing stonith::fence_ipmilan \ params pcmk_host_list="pcmk-1 pcmk-2" ipaddr=10.0.0.1 login=testuser passwd=abc123 \ op monitor interval="60s" ms WebDataClone WebData \ meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebFSClone WebFS clone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" clone WebSiteClone WebSite colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="true" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" ..... endif::[] === Node List === The list of cluster nodes is automatically populated by the cluster. ifdef::pcs[] ..... Pacemaker Nodes: Online: [ pcmk-1 pcmk-2 ] ..... endif::[] ifdef::crmsh[] ..... node pcmk-1 node pcmk-2 ..... endif::[] === Cluster Options === This is where the cluster automatically stores some information about the cluster * dc-version - the version (including upstream source-code hash) of Pacemaker used on the DC * cluster-infrastructure - the cluster infrastructure being used (heartbeat or openais) * expected-quorum-votes - the maximum number of nodes expected to be part of the cluster and where the admin can set options that control the way the cluster operates * stonith-enabled=true - Make use of STONITH * no-quorum-policy=ignore - Ignore loss of quorum and continue to host resources. ifdef::pcs[] [source,C] ---- # pcs property dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 cluster-infrastructure: corosync no-quorum-policy: ignore stonith-enabled: true ---- endif::[] ifdef::crmsh[] ..... property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="true" \ no-quorum-policy="ignore" ..... endif::[] === Resources === ==== Default Options ==== Here we configure cluster options that apply to every resource. ifdef::pcs[] * resource-stickiness - Specify the aversion to moving resources to other machines [source,C] ---- # pcs resource rsc defaults resource-stickiness: 100 ---- endif::[] ifdef::crmsh[] * resource-stickiness - Specify the aversion to moving resources to other machines ..... rsc_defaults $id="rsc-options" \ resource-stickiness="100" ..... endif::[] ==== Fencing ==== ifdef::pcs[] [source,C] ---- # pcs stonith show impi-fencing (stonith:fence_ipmilan) Started # pcs stonith show impi-fencing Resource: impi-fencing pcmk_host_list: pcmk-1 pcmk-2 ipaddr: 10.0.0.1 login: testuser passwd: acd123 ---- endif::[] ifdef::crmsh[] ..... primitive ipmi-fencing stonith::fence_ipmilan \ params pcmk_host_list="pcmk-1 pcmk-2" ipaddr=10.0.0.1 login=testuser passwd=abc123 \ op monitor interval="60s" clone Fencing rsa-fencing ..... endif::[] ==== Service Address ==== Users of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one "request bucket" for each node) and that if one node fails, then the remaining node should hold both. ifdef::pcs[] [source,C] ---- # pcs resource show ClusterIP-clone Resource: ClusterIP-clone ip: 192.168.0.120 cidr_netmask: 32 clusterip_hash: sourceip globally-unique: true clone-max: 2 clone-node-max: 2 op monitor interval=30s ---- endif::[] ifdef::crmsh[] ..... primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s" clone WebIP ClusterIP meta globally-unique="true" clone-max="2" clone-node-max="2" ..... endif::[] [NOTE] ======= TODO: The RA should check for globally-unique=true when cloned ======= ==== DRBD - Shared Storage ==== Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it's peer changes state. ifdef::pcs[] [source,C] ---- # pcs resource show WebDataClone Resource: WebDataClone drbd_resource: wwwdata master-node-max: 1 clone-max: 2 clone-node-max: 1 notify: true master-max: 2 op monitor interval=60s # pcs constraint ref WebDataClone Resource: WebDataClone colocation-WebFS-WebDataClone-INFINITY order-WebDataClone-WebFS-mandatory ---- endif::[] ifdef::crmsh[] ..... primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" ms WebDataClone WebData \ meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" ..... endif::[] ==== Cluster Filesystem ==== The cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances. ifdef::pcs[] [source,C] ---- # pcs resource show WebFS-clone Resource: WebFS-clone device: /dev/drbd/by-res/wwwdata directory: /var/www/html fstype: gfs2 # pcs constraint ref WebFS-clone Resource: WebFS-clone colocation-WebFS-WebDataClone-INFINITY colocation-WebSite-WebFS-INFINITY order-WebFS-WebSite-mandatory order-WebDataClone-WebFS-mandatory ---- endif::[] ifdef::crmsh[] ..... primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" clone WebFSClone WebFS colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone ..... endif::[] ==== Apache ==== Lastly we have the actual service, Apache. We need only tell the cluster where to find it's main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active. ifdef::pcs[] [source,C] ---- # pcs resource show WebSite-clone Resource: WebSite-clone configfile: /etc/httpd/conf/httpd.conf statusurl: http://localhost/server-status master-max: 2 op monitor interval=1min # pcs constraint ref WebSite-clone Resource: WebSite-clone colocation-WebSite-ClusterIP-INFINITY colocation-WebSite-WebFS-INFINITY order-ClusterIP-WebSite-mandatory order-WebFS-WebSite-mandatory ---- endif::[] ifdef::crmsh[] ..... primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" clone WebSiteClone WebSite colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation website-with-ip inf: WebSiteClone WebIP order apache-after-ip inf: WebIP WebSiteClone order WebSite-after-WebFS inf: WebFSClone WebSiteClone ..... endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ap-Corosync-Conf.txt000066400000000000000000000063671217637305600261000ustar00rootroot00000000000000[appendix] == Sample Corosync Configuration == ifdef::pcs[] .Sample corosync.conf for two-node cluster using a node list. ..... # Please read the corosync.conf.5 manual page totem { version: 2 secauth: off cluster_name: mycluster transport: udpu } nodelist { node { ring0_addr: pcmk-1 nodeid: 1 } node { ring0_addr: pcmk-2 nodeid: 2 } } quorum { provider: corosync_votequorum } logging { to_syslog: yes } ..... endif::[] ifdef::crmsh[] .Sample Corosync.conf for a two-node cluster using multicast. ..... # Please read the corosync.conf.5 manual page totem { version: 2 # cypto_cipher and crypto_hash: Used for mutual node authentication. # If you choose to enable this, then do remember to create a shared # secret with "corosync-keygen". crypto_cipher: none crypto_hash: none # interface: define at least one interface to communicate # over. If you define more than one interface stanza, you must # also set rrp_mode. interface { # Rings must be consecutively numbered, starting at 0. ringnumber: 0 # This is normally the *network* address of the # interface to bind to. This ensures that you can use # identical instances of this configuration file # across all your cluster nodes, without having to # modify this option. bindnetaddr: 192.168.122.0 # However, if you have multiple physical network # interfaces configured for the same subnet, then the # network address alone is not sufficient to identify # the interface Corosync should bind to. In that case, # configure the *host* address of the interface # instead: # bindnetaddr: 192.168.1.1 # When selecting a multicast address, consider RFC # 2365 (which, among other things, specifies that # 239.255.x.x addresses are left to the discretion of # the network administrator). Do not reuse multicast # addresses across multiple Corosync clusters sharing # the same network. mcastaddr: 239.255.1.1 # Corosync uses the port you specify here for UDP # messaging, and also the immediately preceding # port. Thus if you set this to 5405, Corosync sends # messages over UDP ports 5405 and 5404. mcastport: 4000 # Time-to-live for cluster communication packets. The # number of hops (routers) that this ring will allow # itself to pass. Note that multicast routing must be # specifically enabled on most network routers. ttl: 1 } } logging { # Log the source file and line where messages are being # generated. When in doubt, leave off. Potentially useful for # debugging. fileline: off # Log to standard error. When in doubt, set to no. Useful when # running in the foreground (when invoking "corosync -f") to_stderr: no # Log to a log file. When set to "no", the "logfile" option # must not be set. to_logfile: yes logfile: /var/log/cluster/corosync.log # Log to the system log daemon. When in doubt, set to yes. to_syslog: yes # Log debug messages (very verbose). When in doubt, leave off. debug: off # Log messages with time stamps. When in doubt, set to on # (unless you are only logging to syslog, where double # timestamps can be annoying). timestamp: on logger_subsys { subsys: QUORUM debug: off } } quorum { provider: corosync_votequorum expected_votes: 2 } ..... endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ap-Reading.txt000066400000000000000000000005221217637305600247520ustar00rootroot00000000000000[appendix] == Further Reading == - Project Website http://www.clusterlabs.org - Cluster Commands A comprehensive guide to cluster commands has been written by SuSE and can be found at: http://www.suse.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html - Corosync http://www.corosync.org pacemaker-master/doc/Clusters_from_Scratch/en-US/Author_Group.xml000066400000000000000000000014521217637305600254450ustar00rootroot00000000000000 AndrewBeekhof Red Hat Primary author andrew@beekhof.net RaoulScarazzini Italian translation rasca@miamammausalinux.org DanFrîncu Romanian translation df.cluster@gmail.com pacemaker-master/doc/Clusters_from_Scratch/en-US/Book_Info.xml000066400000000000000000000040101217637305600246650ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> Clusters from Scratch Creating Active/Passive and Active/Active Clusters on Fedora Pacemaker 1.1 5 0 The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one. The example cluster will use: &DISTRO; &DISTRO_VERSION; as the host operating system Corosync to provide messaging and membership services, Pacemaker to perform resource management, DRBD as a cost-effective alternative to shared storage, GFS2 as the cluster filesystem (in active/active mode) Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs. pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Active-Active.txt000066400000000000000000000544001217637305600260230ustar00rootroot00000000000000= Conversion to Active/Active = == Requirements == The primary requirement for an Active/Active cluster is that the data required for your services is available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that. The only hitch is that we need to use a cluster-aware filesystem. The one we used earlier with DRBD, ext4, is not one of those. Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with Fedora 17. === Installing the required Software === [source,C] # yum install -y gfs2-utils dlm kernel-modules-extra ..... Loaded plugins: langpacks, presto, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package dlm.x86_64 0:3.99.4-1.fc17 will be installed ---> Package gfs2-utils.x86_64 0:3.1.4-3.fc17 will be installed ---> Package kernel-modules-extra.x86_64 0:3.4.4-3.fc17 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: dlm x86_64 3.99.4-1.fc17 updates 83 k gfs2-utils x86_64 3.1.4-3.fc17 fedora 214 k kernel-modules-extra x86_64 3.4.4-3.fc17 updates 1.7 M Transaction Summary ================================================================================ Install 3 Packages Total download size: 1.9 M Installed size: 7.7 M Downloading Packages: (1/3): dlm-3.99.4-1.fc17.x86_64.rpm | 83 kB 00:00 (2/3): gfs2-utils-3.1.4-3.fc17.x86_64.rpm | 214 kB 00:00 (3/3): kernel-modules-extra-3.4.4-3.fc17.x86_64.rpm | 1.7 MB 00:01 -------------------------------------------------------------------------------- Total 615 kB/s | 1.9 MB 00:03 Running Transaction Check Running Transaction Test Transaction Test Succeeded Running Transaction Installing : kernel-modules-extra-3.4.4-3.fc17.x86_64 1/3 Installing : gfs2-utils-3.1.4-3.fc17.x86_64 2/3 Installing : dlm-3.99.4-1.fc17.x86_64 3/3 Verifying : dlm-3.99.4-1.fc17.x86_64 1/3 Verifying : gfs2-utils-3.1.4-3.fc17.x86_64 2/3 Verifying : kernel-modules-extra-3.4.4-3.fc17.x86_64 3/3 Installed: dlm.x86_64 0:3.99.4-1.fc17 gfs2-utils.x86_64 0:3.1.4-3.fc17 kernel-modules-extra.x86_64 0:3.4.4-3.fc17 Complete! ..... == Create a GFS2 Filesystem == [[GFS2_prep]] === Preparation === Before we do anything to the existing partition, we need to make sure it is unmounted. We do this by telling the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order. ifdef::pcs[] [source,C] ---- # pcs resource stop WebFS # pcs resource ClusterIP (ocf::heartbeat:IPaddr2) Started WebSite (ocf::heartbeat:apache) Stopped Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem) Stopped ---- endif::[] ifdef::crmsh[] [source,C] ----- # crm resource stop WebFS # crm_mon -1 ============ Last updated: Tue Apr 3 14:07:36 2012 Last change: Tue Apr 3 14:07:15 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 5 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] ----- endif::[] [NOTE] ======= Note that both Apache and WebFS have been stopped. ======= === Create and Populate an GFS2 Partition === Now that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition. [WARNING] ========= This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data. ========= We need to specify a number of additional parameters when creating a GFS2 partition. First we must use the -p option to specify that we want to use the the Kernel's DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem). ifdef::pcs[] Lastly, we use -t to specify the lock table name. The format for this field is +clustername:fsname+. For the +fsname+, we need to use the same value as specified in 'corosync.conf' for +cluster_name+. If you setup corosync with the same cluster name we used in this tutorial, cluster name will be 'mycluster'. If you are unsure what your cluster name is, open up /etc/corosync/corosync.conf, or execute the command 'pcs cluster corosync pcmk-1' to view the corosync config. The cluster name will be in the +totem+ block. endif::[] ifdef::crmsh[] Lastly, we use -t to specify the lock table name. The format for this field is +clustername:fsname+. For the +fsname+, we need to use the same value as specified in 'corosync.conf' for +cluster_name+. Just pick something unique and descriptive and add somewhere inside the +totem+ block. For example: ..... totem { version: 2 # cypto_cipher and crypto_hash: Used for mutual node authentication. # If you choose to enable this, then do remember to create a shared # secret with "corosync-keygen". crypto_cipher: none crypto_hash: none cluster_name: mycluster ... ..... [IMPORTANT] =========== Do this on each node in the cluster and be sure to restart them before continuing. =========== endif::[] [IMPORTANT] =========== We must run the next command on whichever node last had '/dev/drbd' mounted. Otherwise you will receive the message: ----- /dev/drbd1: Read-only file system ----- =========== [source,C] ----- # ssh pcmk-2 -- mkfs.gfs2 -p lock_dlm -j 2 -t mycluster:web /dev/drbd1 This will destroy any data on /dev/drbd1. It appears to contain: Linux rev 1.0 ext4 filesystem data, UUID=dc45fff3-c47a-4db2-96f7-a8049a323fe4 (extents) (large files) (huge files) Are you sure you want to proceed? [y/n]y Device: /dev/drbd1 Blocksize: 4096 Device Size 0.97 GB (253935 blocks) Filesystem Size: 0.97 GB (253932 blocks) Journals: 2 Resource Groups: 4 Locking Protocol: "lock_dlm" Lock Table: "mycluster" UUID: ed293a02-9eee-3fa3-ed1c-435ef1fd0116 ----- ifdef::pcs[] [source,C] ---- # pcs cluster cib dlm_cfg # pcs -f dlm_cfg resource create dlm ocf:pacemaker:controld op monitor interval=60s # pcs -f dlm_cfg resource clone dlm clone-max=2 clone-node-max=1 # pcs -f dlm_cfg resource show ClusterIP (ocf::heartbeat:IPaddr2) Started WebSite (ocf::heartbeat:apache) Stopped Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem) Stopped Clone Set: dlm-clone [dlm] Stopped: [ dlm:0 dlm:1 ] # pcs cluster push cib dlm_cfg CIB updated # pcs status Last updated: Fri Sep 14 12:54:50 2012 Last change: Fri Sep 14 12:54:43 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 7 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Stopped Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Stopped Clone Set: dlm-clone [dlm] Started: [ pcmk-1 pcmk-2 ] ---- endif::[] ifdef::crmsh[] [source,C] ----- # crm crm(live)# cib new dlm INFO: dlm shadow CIB created crm(dlm)# configure primitive dlm ocf:pacemaker:controld \ op monitor interval=60s crm(dlm)# configure clone dlm_clone dlm meta clone-max=2 clone-node-max=1 crm(dlm)# configure show node $id="1702537408" pcmk-1 \ attributes standby="off" node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" \ meta target-role="Stopped" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive dlm ocf:pacemaker:controld \ op monitor interval="60s" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm_clone dlm \ meta clone-max="2" clone-node-max="1" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" crm(dlm)# cib commit dlm INFO: commited 'dlm' shadow CIB to the cluster crm(dlm)# quit bye # crm_mon -1 ============ Last updated: Wed Apr 4 01:15:11 2012 Last change: Wed Apr 4 00:50:11 2012 via crmd on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 7 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] Clone Set: dlm_clone [dlm] Started: [ pcmk-1 pcmk-2 ] ----- endif::[] Then (re)populate the new filesystem with data (web pages). For now we'll create another variation on our home page. [source,C] ----- # mount /dev/drbd1 /mnt/ # cat <<-END >/mnt/index.html My Test Site - GFS2 END # umount /dev/drbd1 # drbdadm verify wwwdata ----- == Reconfigure the Cluster for GFS2 == ifdef::pcs[] With the WebFS resource stopped, lets update the configuration. [source,C] ---- # pcs resource show WebFS Resource: WebFS device: /dev/drbd/by-res/wwwdata directory: /var/www/html fstype: ext4 target-role: Stopped ---- The fstype option needs to be updated to gfs2 instead of ext4. [source,C] ---- # pcs resource update WebFS fstype=gfs2 # pcs resource show WebFS Resource: WebFS device: /dev/drbd/by-res/wwwdata directory: /var/www/html fstype: gfs2 target-role: Stopped CIB updated ---- endif::[] ifdef::crmsh[] [source,C] ----- # crm crm(live) # cib new GFS2 INFO: GFS2 shadow CIB created crm(GFS2) # configure delete WebFS crm(GFS2) # configure primitive WebFS ocf:heartbeat:Filesystem params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" ----- Now that we've recreated the resource, we also need to recreate all the constraints that used it. This is because the shell will automatically remove any constraints that referenced WebFS. [source,C] ----- crm(GFS2) # configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(GFS2) # configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(GFS2) # configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start crm(GFS2) # configure order WebSite-after-WebFS inf: WebFS WebSite crm(GFS2) # configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" \ op monitor interval="30s" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="false" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" ----- Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster's response [source,C] ----- crm(GFS2) # cib commit GFS2 INFO: commited 'GFS2' shadow CIB to the cluster crm(GFS2) # quit bye # crm_mon ============ Last updated: Thu Sep 3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 ----- endif::[] == Reconfigure Pacemaker for Active/Active == Almost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we're using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this. ifdef::pcs[] This will involve a number of changes, so we'll want work with a local cib file. [source,C] ---- # pcs cluster cib active_cfg ---- endif::[] ifdef::crmsh[] This will involve a number of changes, so we'll again use interactive mode. [source,C] ----- # crm # cib new active ----- endif::[] There's no point making the services active on both locations if we can't reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one "request bucket" for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded. ifdef::pcs[] ---- # pcs -f active_cfg resource clone ClusterIP \ globally-unique=true clone-max=2 clone-node-max=2 ---- Notice when the ClusterIP becomes a clone, the constraints referencing ClusterIP now reference the clone. This is done automatically by pcs. endif::[] ifdef::pcs[] [source,C] ---- # pcs -f active_cfg constraint Location Constraints: Ordering Constraints: start ClusterIP-clone then start WebSite WebFS then WebSite promote WebDataClone then start WebFS Colocation Constraints: WebSite with ClusterIP-clone WebFS with WebDataClone (with-rsc-role:Master) WebSite with WebFS ---- endif::[] ifdef::crmsh[] [source,C] ----- # configure clone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" ----- endif::[] Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter. ifdef::pcs[] [source,C] ---- # pcs -f active_cfg resource update ClusterIP clusterip_hash=sourceip ---- endif::[] ifdef::crmsh[] Open the ClusterIP resource [source,C] ----- # configure edit ClusterIP ----- And add the following to the params line ..... clusterip_hash="sourceip" ..... So that the complete definition looks like: ..... primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s" ..... Here is the full transcript [source,C] ----- # crm crm(live) # cib new active INFO: active shadow CIB created crm(active) # configure clone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" crm(active) # configure shownode pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite WebIPorder WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSiteorder apache-after-ip inf: WebIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="false" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" ----- Notice how any constraints that referenced ClusterIP have been updated to use WebIP instead. This is an additional benefit of using the crm shell. endif::[] Next we need to convert the filesystem and Apache resources into clones. ifdef::pcs[] Notice how pcs automatically updates the relevant constraints again. [source,C] ---- # pcs -f active_cfg resource clone WebFS # pcs -f active_cfg resource clone WebSite # pcs -f active_cfg constraint Location Constraints: Ordering Constraints: start ClusterIP-clone then start WebSite-clone WebFS-clone then WebSite-clone promote WebDataClone then start WebFS-clone Colocation Constraints: WebSite-clone with ClusterIP-clone WebFS-clone with WebDataClone (with-rsc-role:Master) WebSite-clone with WebFS-clone ---- endif::[] ifdef::crmsh[] Again, the shell will automatically update any relevant constraints. [source,C] ----- crm(active) # configure clone WebFSClone WebFS crm(active) # configure clone WebSiteClone WebSite ----- endif::[] The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master). ifdef::pcs[] [source,C] ----- # pcs -f active_cfg resource update WebDataClone master-max=2 ----- endif::[] ifdef::crmsh[] [source,C] ----- crm(active) # configure edit WebDataClone ----- Change master-max to 2 [source,C] ----- crm(active) # configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s" ms WebDataClone WebData \ meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebFSClone WebFSclone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" clone WebSiteClone WebSitecolocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="false" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" ----- endif::[] Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster's response ifdef::pcs[] [source,C] ----- # pcs cluster push cib active_cfg # pcs resource start WebFS ----- After all the processes are started the status should look similar to this. [source,C] ----- # pcs resource Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 pcmk-1 ] Clone Set: dlm-clone [dlm] Started: [ pcmk-2 pcmk-1 ] Clone Set: ClusterIP-clone [ClusterIP] (unique) ClusterIP:0 (ocf::heartbeat:IPaddr2) Started ClusterIP:1 (ocf::heartbeat:IPaddr2) Started Clone Set: WebFS-clone [WebFS] Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSite-clone [WebSite] Started: [ pcmk-1 pcmk-2 ] ----- endif::[] ifdef::crmsh[] [source,C] ----- crm(active) # cib commit active INFO: commited 'active' shadow CIB to the cluster crm(active) # quit bye # crm_mon ============ Last updated: Thu Sep 3 21:37:27 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] Master/Slave Set: WebDataClone Masters: [ pcmk-1 pcmk-2 ] Clone Set: WebIP Started: [ pcmk-1 pcmk-2 ] Clone Set: WebFSClone Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSiteClone Started: [ pcmk-1 pcmk-2 ] Clone Set: dlm_clone Started: [ pcmk-1 pcmk-2 ] ----- endif::[] === Testing Recovery === [NOTE] ======= TODO: Put one node into standby to demonstrate failover ======= pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Active-Passive.txt000066400000000000000000000463751217637305600262360ustar00rootroot00000000000000= Creating an Active/Passive Cluster = == Exploring the Existing Configuration == When Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used. This is what the base configuration should look like. ifdef::pcs[] [source,C] ---- # pcs status Last updated: Fri Sep 14 10:12:01 2012 Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 0 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" ---- endif::[] ifdef::pcs[] For those that are not of afraid of XML, you can see the raw cluster configuration and status by using the +pcs cluster cib+ command. .The last XML you'll see in this document ====== [source,C] ---- # pcs cluster cib ---- [source,XML] ---- ---- ====== endif::[] ifdef::crmsh[] For those that are not of afraid of XML, you can see the raw configuration by appending "xml" to the previous command. .The last XML you'll see in this document ====== [source,C] ---- # crm configure show xml ---- [source,XML] ---- ---- ====== endif::[] Before we make any changes, its a good idea to check the validity of the configuration. [source,C] ---- # crm_verify -L -V error: unpack_resources: Resource start-up disabled since no STONITH resources have been defined error: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option error: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity Errors found during check: config not valid -V may provide more details ---- As you can see, the tool has found some errors. In order to guarantee the safety of your data footnote:[If the data is corrupt, there is little point in continuing to make it available] , the default for STONITH footnote:[A common node fencing mechanism. Used to ensure data integrity by powering off "bad" nodes] in Pacemaker is +enabled+. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose). For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled. To disable STONITH, we set the _stonith-enabled_ cluster option to false. ifdef::pcs[] [source,C] ---- # pcs property set stonith-enabled=false # crm_verify -L ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm configure property stonith-enabled=false # crm_verify -L ---- endif::[] With the new cluster option set, the configuration is now valid. [WARNING] ========= The use of stonith-enabled=false is completely inappropriate for a production cluster. We use it here to defer the discussion of its configuration which can differ widely from one installation to the next. See <<_what_is_stonith>> for information on why STONITH is important and details on how to configure it. ========= == Adding a Resource == The first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.120 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds. [IMPORTANT] =========== The chosen address must not be one already associated with a physical node =========== //// No syntax highlighting here to avoid line munging with source,C //// ifdef::pcs[] ---- # pcs resource create ClusterIP ocf:heartbeat:IPaddr2 \ ip=192.168.0.120 cidr_netmask=32 op monitor interval=30s ---- endif::[] ifdef::crmsh[] ---- # crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip=192.168.122.120 cidr_netmask=32 \ op monitor interval=30s ---- endif::[] The other important piece of information here is ocf:heartbeat:IPaddr2. This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script. ifdef::pcs[] To obtain a list of the available resource standards (the ocf part of ocf:heartbeat:IPaddr2), run [source,C] ---- # pcs resource standards ocf lsb service systemd stonith ---- To obtain a list of the available ocf resource providers (the heartbeat part of ocf:heartbeat:IPaddr2), run [source,C] ---- # pcs resource providers heartbeat linbit pacemaker redhat ---- Finally, if you want to see all the resource agents available for a specific ocf provider (the IPaddr2 part of ocf:heartbeat:IPaddr2), run [source,C] ---- # pcs resource agents ocf:heartbeat AoEtarget AudibleAlarm CTDB ClusterMon Delay Dummy . . (skipping lots of resources to save space) . IPaddr2 . . . symlink syslog-ng tomcat vmware ---- endif::[] ifdef::crmsh[] To obtain a list of the available resource classes, run [source,C] ---- # crm ra classes heartbeat lsb ocf / heartbeat pacemaker stonith ---- To then find all the OCF resource agents provided by Pacemaker and Heartbeat, run [source,C] ---- # crm ra list ocf pacemaker ClusterMon Dummy HealthCPU HealthSMART Stateful SysInfo SystemHealth controld o2cb ping pingd # crm ra list ocf heartbeat AoEtarget AudibleAlarm CTDB ClusterMon Delay Dummy EvmsSCC Evmsd Filesystem ICP IPaddr IPaddr2 IPsrcaddr IPv6addr LVM LinuxSCSI MailTo ManageRAID ManageVE Pure-FTPd Raid1 Route SAPDatabase SAPInstance SendArp ServeRAID SphinxSearchDaemon Squid Stateful SysInfo VIPArip VirtualDomain WAS WAS6 WinPopup Xen Xinetd anything apache conntrackd db2 drbd eDir88 ethmonitor exportfs fio iSCSILogicalUnit iSCSITarget ids iscsi jboss ldirectord lxc mysql mysql-proxy nfsserver nginx oracle oralsnr pgsql pingd portblock postfix proftpd rsyncd scsi2reservation sfex symlink syslog-ng tomcat vmware ---- endif::[] Now verify that the IP resource has been added and display the cluster's status to see that it is now active. ifdef::pcs[] [source,C] ---- # pcs status Last updated: Fri Sep 14 10:17:00 2012 Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 1 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" # crm_mon -1 ============ Last updated: Tue Apr 3 09:56:50 2012 Last change: Tue Apr 3 09:54:37 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 ---- endif::[] == Perform a Failover == Being a high-availability cluster, we should test failover of our new resource before moving on. First, find the node on which the IP address is running. ifdef::pcs[] [source,C] ---- # pcs status Last updated: Fri Sep 14 10:17:00 2012 Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 1 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm resource status ClusterIP resource ClusterIP is running on: pcmk-1 ---- endif::[] Shut down Pacemaker and Corosync on that machine. ifdef::pcs[] [source,C] ---- #pcs cluster stop pcmk-1 Stopping Cluster... ---- Once Corosync is no longer running, go to the other node and check the cluster status. [source,C] ---- # pcs status Last updated: Fri Sep 14 10:31:01 2012 Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition WITHOUT quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 1 Resources configured. Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Stopped ---- endif::[] ifdef::crmsh[] [source,C] ---- # ssh pcmk-1 -- service pacemaker stop # ssh pcmk-1 -- service corosync stop ---- Once Corosync is no longer running, go to the other node and check the cluster status with crm_mon. [source,C] ---- # crm_mon -1 ============ Last updated: Tue Apr 3 10:01:28 2012 Last change: Tue Apr 3 09:54:39 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (1719314624) - partition WITHOUT quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ---- endif::[] There are three things to notice about the cluster's current state. The first is that, as expected, +pcmk-1+ is now offline. However we can also see that +ClusterIP+ isn't running anywhere! === Quorum and Two-Node Clusters === This is because the cluster no longer has quorum, as can be seen by the text "partition WITHOUT quorum" in the status output. In order to reduce the possibility of data corruption, Pacemaker's default behavior is to stop all resources if the cluster does not have quorum. A cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true: .... total_nodes < 2 * active_nodes .... Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless footnote:[Actually some would argue that two-node clusters are always pointless, but that is an argument for another time] , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether. ifdef::pcs[] [source,C] ---- # pcs property set no-quorum-policy=ignore # pcs property dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 cluster-infrastructure: corosync stonith-enabled: false no-quorum-policy: ignore ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm configure property no-quorum-policy=ignore # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" ---- endif::[] After a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum. ifdef::pcs[] [source,C] ---- # pcs status Last updated: Fri Sep 14 10:38:11 2012 Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2 Stack: corosync Current DC: pcmk-2 (2) - partition WITHOUT quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 1 Resources configured. Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm_mon -1 ============ Last updated: Tue Apr 3 10:02:46 2012 Last change: Tue Apr 3 10:02:08 2012 via cibadmin on pcmk-2 Stack: corosync Current DC: pcmk-2 (1719314624) - partition WITHOUT quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 ---- endif::[] Now simulate node recovery by restarting the cluster stack on +pcmk-1+ and check the cluster's status. Note, if you get an authentication error with the 'pcs cluster start pcmk-1' command, you must authenticate on the node using the 'pcs cluster auth pcmk pcmk-1 pcmk-2' command discussed earlier. ifdef::pcs[] [source,C] ---- # pcs cluster start pcmk-1 Starting Cluster... # pcs status Last updated: Fri Sep 14 10:42:56 2012 Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 1 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 ---- endif::[] ifdef::crmsh[] [source,C] ---- # service corosync start Starting Corosync Cluster Engine (corosync): [ OK ] # service pacemaker start Starting Pacemaker Cluster Manager: [ OK ] # crm_mon ============ Last updated: Fri Aug 28 15:32:13 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2 ---- endif::[] [NOTE] ====== In the dark days, the cluster may have moved the IP back to its original location (+pcmk-1+). Usually this is no longer the case. ====== === Prevent Resources from Moving after Recovery === In most circumstances, it is highly desirable to prevent healthy resources from being moved around the cluster. Moving resources almost always requires a period of downtime. For complex services like Oracle databases, this period can be quite long. To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the "cost" of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve "optimal" footnote:[It should be noted that Pacemaker's definition of optimal may not always agree with that of a human's. The order in which Pacemaker processes lists of resources and nodes creates implicit preferences in situations where the administrator has not explicitly specified them] resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default. ifdef::pcs[] [source,C] ---- # pcs resource rsc defaults resource-stickiness=100 # pcs resource rsc defaults resource-stickiness: 100 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm configure rsc_defaults resource-stickiness=100 # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" ---- endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Apache.txt000066400000000000000000000622261217637305600245650ustar00rootroot00000000000000= Apache - Adding More Services = == Forward == Now that we have a basic but functional active/passive two-node cluster, we're ready to add some real services. We're going to start with Apache because its a feature of many clusters and relatively simple to configure. == Installation == Before continuing, we need to make sure Apache is installed on both hosts. We also need the wget tool in order for the cluster to be able to check the status of the Apache server. [source,C] # yum install -y httpd wget ..... Loaded plugins: langpacks, presto, refresh-packagekit fedora/metalink | 2.6 kB 00:00 updates/metalink | 3.2 kB 00:00 updates-testing/metalink | 41 kB 00:00 Resolving Dependencies --> Running transaction check ---> Package httpd.x86_64 0:2.2.22-3.fc17 will be installed --> Processing Dependency: httpd-tools = 2.2.22-3.fc17 for package: httpd-2.2.22-3.fc17.x86_64 --> Processing Dependency: apr-util-ldap for package: httpd-2.2.22-3.fc17.x86_64 --> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64 --> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64 --> Running transaction check ---> Package apr.x86_64 0:1.4.6-1.fc17 will be installed ---> Package apr-util.x86_64 0:1.4.1-2.fc17 will be installed ---> Package apr-util-ldap.x86_64 0:1.4.1-2.fc17 will be installed ---> Package httpd-tools.x86_64 0:2.2.22-3.fc17 will be installed --> Finished Dependency Resolution Dependencies Resolved ===================================================================================== Package Arch Version Repository Size ===================================================================================== Installing: httpd x86_64 2.2.22-3.fc17 updates-testing 823 k wget x86_64 1.13.4-2.fc17 fedora 495 k Installing for dependencies: apr x86_64 1.4.6-1.fc17 fedora 99 k apr-util x86_64 1.4.1-2.fc17 fedora 78 k apr-util-ldap x86_64 1.4.1-2.fc17 fedora 17 k httpd-tools x86_64 2.2.22-3.fc17 updates-testing 74 k Transaction Summary ===================================================================================== Install 1 Package (+4 Dependent packages) Total download size: 1.1 M Installed size: 3.5 M Downloading Packages: (1/6): apr-1.4.6-1.fc17.x86_64.rpm | 99 kB 00:00 (2/6): apr-util-1.4.1-2.fc17.x86_64.rpm | 78 kB 00:00 (3/6): apr-util-ldap-1.4.1-2.fc17.x86_64.rpm | 17 kB 00:00 (4/6): httpd-2.2.22-3.fc17.x86_64.rpm | 823 kB 00:01 (5/6): httpd-tools-2.2.22-3.fc17.x86_64.rpm | 74 kB 00:00 (6/6): wget-1.13.4-2.fc17.x86_64.rpm | 495 kB 00:01 ------------------------------------------------------------------------------------- Total 238 kB/s | 1.1 MB 00:04 Running Transaction Check Running Transaction Test Transaction Test Succeeded Running Transaction Installing : apr-1.4.6-1.fc17.x86_64 1/6 Installing : apr-util-1.4.1-2.fc17.x86_64 2/6 Installing : apr-util-ldap-1.4.1-2.fc17.x86_64 3/6 Installing : httpd-tools-2.2.22-3.fc17.x86_64 4/6 Installing : httpd-2.2.22-3.fc17.x86_64 5/6 Installing : wget-1.13.4-2.fc17.x86_64 6/6 Verifying : apr-util-ldap-1.4.1-2.fc17.x86_64 1/6 Verifying : httpd-tools-2.2.22-3.fc17.x86_64 2/6 Verifying : apr-util-1.4.1-2.fc17.x86_64 3/6 Verifying : apr-1.4.6-1.fc17.x86_64 4/6 Verifying : httpd-2.2.22-3.fc17.x86_64 5/6 Verifying : wget-1.13.4-2.fc17.x86_64 6/6 Installed: httpd.x86_64 0:2.2.22-3.fc17 wget.x86_64 0:1.13.4-2.fc17 Dependency Installed: apr.x86_64 0:1.4.6-1.fc17 apr-util.x86_64 0:1.4.1-2.fc17 apr-util-ldap.x86_64 0:1.4.1-2.fc17 httpd-tools.x86_64 0:2.2.22-3.fc17 Complete! ..... == Preparation == First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we'll create an index file there. [source,C] ----- # cat <<-END >/var/www/html/index.html My Test Site - pcmk-1 END ----- For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2. [source,C] ----- [root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html My Test Site - pcmk-2 END ----- == Enable the Apache status URL == In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in '/etc/httpd/conf/httpd.conf' and make sure it is not disabled or commented out: [source,Apache Configuration] ----- SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 ----- == Update the Configuration == At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace footnote:[Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2] , the only required parameter is the path to the main Apache configuration file and we'll tell the cluster to check once a minute that apache is still running. ifdef::pcs[] //// source,C doesn't deal well with \'s //// ----- pcs resource create WebSite ocf:heartbeat:apache \ configfile=/etc/httpd/conf/httpd.conf \ statusurl="http://localhost/server-status" op monitor interval=1min ----- By default, the operation timeout for all resource's start, stop, and monitor operations is 20 seconds. In many cases this timeout period is less than the advised timeout period. For the purposes of this tutorial, we will adjust the global operation timeout default to 240 seconds. [source,C] ----- # pcs resource op defaults timeout=240s # pcs resource op defaults timeout: 240s ----- endif::[] ifdef::crmsh[] [source,Bash] ----- # crm configure primitive WebSite ocf:heartbeat:apache \ params configfile=/etc/httpd/conf/httpd.conf \ statusurl="http://localhost/server-status" \ op monitor interval=1min WARNING: WebSite: default timeout 20s for start is smaller than the advised 40s WARNING: WebSite: default timeout 20s for stop is smaller than the advised 60s ----- The easiest way resolve this, is to change the default: [source,Bash] ----- # crm configure op_defaults timeout=240s # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ----- endif::[] After a short delay, we should see the cluster start apache ifdef::pcs[] [source,C] ----- # pcs status Last updated: Fri Sep 14 10:51:27 2012 Last change: Fri Sep 14 10:50:46 2012 via crm_attribute on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-1 ----- endif::[] ifdef::crmsh[] [source,C] ----- # crm_mon -1 ============ Last updated: Tue Apr 3 11:54:29 2012 Last change: Tue Apr 3 11:54:26 2012 via crmd on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf:heartbeat:apache): Started pcmk-1 ----- endif::[] Wait a moment, the WebSite resource isn't running on the same host as our IP address! ifdef::pcs[] [NOTE] ====== If, in the `pcs status` output, you see the WebSite resource has failed to start, then you've likely not enabled the status URL correctly. You can check if this is the problem by running: .... wget http://127.0.0.1/server-status .... If you see +Connection refused+ in the output, then this is indeed the problem. Check to ensure that +Allow from 127.0.0.1+ is present for the ++ block. ====== endif::[] ifdef::crmsh[] [NOTE] ====== If, in the `crm_mon` output, you see: .... Failed actions: WebSite_start_0 (node=pcmk-2, call=301, rc=1, status=complete): unknown error .... Then you've likely not enabled the status URL correctly. You can check if this is the problem by running: .... wget http://127.0.0.1/server-status .... If you see +Connection refused+ in the output, then this is indeed the problem. Check to ensure that +Allow from 127.0.0.1+ is present for the ++ block. ====== endif::[] == Ensuring Resources Run on the Same Host == To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on. ifdef::pcs[] To achieve this we use a colocation constraint that indicates it is mandatory for WebSite to run on the same node as ClusterIP. The "mandatory" part of the colocation constraint is indicated by using a score of INFINITY. The INFINITY score also means that if ClusterIP is not active anywhere, WebSite will not be permitted to run. endif::[] ifdef::crmsh[] For the constraint, we need a name (choose something descriptive like website-with-ip), indicate that its mandatory (so that if ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere either) by specifying a score of INFINITY and finally list the two resources. endif::[] [NOTE] ======= If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere. ======= [IMPORTANT] =========== Colocation constraints are "directional", in that they imply certain things about the order in which the two resources will have a location chosen. In this case we're saying +WebSite+ needs to be placed on the same machine as +ClusterIP+, this implies that we must know the location of +ClusterIP+ before choosing a location for +WebSite+. =========== ifdef::pcs[] [source,C] ----- # pcs constraint colocation add WebSite ClusterIP INFINITY # pcs constraint Location Constraints: Ordering Constraints: Colocation Constraints: WebSite with ClusterIP # pcs status Last updated: Fri Sep 14 11:00:44 2012 Last change: Fri Sep 14 11:00:25 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 ----- endif::[] ifdef::crmsh[] [source,C] ----- # crm configure colocation website-with-ip INFINITY: WebSite ClusterIP # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" # crm_mon -1 ============ Last updated: Tue Apr 3 11:57:13 2012 Last change: Tue Apr 3 11:56:10 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (1719314624) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf:heartbeat:apache): Started pcmk-2 ----- endif::[] == Controlling Resource Start/Stop Ordering == When Apache starts, it binds to the available IP addresses. It doesn't know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint. ifdef::pcs[] By default all order constraints are mandatory constraints unless otherwise configured. This means that the recovery of ClusterIP will also trigger the recovery of WebSite. [source,C] ----- # pcs constraint order ClusterIP then WebSite Adding ClusterIP WebSite (kind: Mandatory) (Options: first-action=start then-action=start) # pcs constraint Location Constraints: Ordering Constraints: start ClusterIP then start WebSite Colocation Constraints: WebSite with ClusterIP ----- endif::[] ifdef::crmsh[] We need to give it a name (choose something descriptive like apache-after-ip), indicate that its mandatory (so that any recovery for ClusterIP will also trigger recovery of WebSite) and list the two resources in the order we need them to start. [source,C] ----- # crm configure order apache-after-ip mandatory: ClusterIP WebSite # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ----- endif::[] == Specifying a Preferred Location == Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint. ifdef::pcs[] In the location constraint below, we are saying the WebSite resource prefers the node pcmk-1 with a score of 50. The score here indicates how badly we'd like the resource to run somewhere. [source,C] ----- # pcs constraint location WebSite prefers pcmk-1=50 # pcs constraint Location Constraints: Resource: WebSite Enabled on: pcmk-1 (score:50) Ordering Constraints: start ClusterIP then start WebSite Colocation Constraints: WebSite with ClusterIP # pcs status Last updated: Fri Sep 14 11:06:37 2012 Last change: Fri Sep 14 11:06:26 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 ----- endif::[] ifdef::crmsh[] Again we give it a descriptive name (prefer-pcmk-1), specify the resource we want to run there (WebSite), how badly we'd like it to run there (we'll use 50 for now, but in a two-node situation almost any value above 0 will do) and the host's name. [source,C] ----- # crm configure location prefer-pcmk-1 WebSite 50: pcmk-1 WARNING: prefer-pcmk-1: referenced node pcmk-1 does not exist ----- This warning should be ignored. [source,C] ----- # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" # crm_mon -1 ============ Last updated: Tue Apr 3 12:02:14 2012 Last change: Tue Apr 3 11:59:42 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (1719314624) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf:heartbeat:apache): Started pcmk-2 ----- endif::[] Wait a minute, the resources are still on pcmk-2! Even though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime). To see the current placement scores, you can use a tool called crm_simulate [source,C] ---- # crm_simulate -sL Current cluster status: Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf:heartbeat:apache): Started pcmk-2 Allocation scores: native_color: ClusterIP allocation score on pcmk-1: 50 native_color: ClusterIP allocation score on pcmk-2: 200 native_color: WebSite allocation score on pcmk-1: -INFINITY native_color: WebSite allocation score on pcmk-2: 100 Transition Summary: ---- == Manually Moving Resources Around the Cluster == ifdef::pcs[] There are always times when an administrator needs to override the cluster and force resources to move to a specific location. By updating our previous location constraint with a score of INFINITY, WebSite will be forced to move to pcmk-1. [source,C] ----- # pcs constraint location WebSite prefers pcmk-1=INFINITY # pcs constraint all Location Constraints: Resource: WebSite Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY) Ordering Constraints: start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory) Colocation Constraints: WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY) # pcs status Last updated: Fri Sep 14 11:16:26 2012 Last change: Fri Sep 14 11:16:18 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 ----- endif::[] ifdef::crmsh[] There are always times when an administrator needs to override the cluster and force resources to move to a specific location. Underneath we use location constraints like the one we created above, happily you don't need to care. Just provide the name of the resource and the intended location, we'll do the rest. [source,C] ----- # crm resource move WebSite pcmk-1 # crm_mon -1 ============ Last updated: Tue Apr 3 12:03:41 2012 Last change: Tue Apr 3 12:03:37 2012 via crm_resource on pcmk-1 Stack: corosync Current DC: pcmk-2 (1719314624) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf:heartbeat:apache): Started pcmk-1 ----- Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1. For the curious, we can see the effect of this command by examining the configuration [source,C] ----- # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" location cli-prefer-WebSite WebSite \ rule $id="cli-prefer-rule-WebSite" inf: #uname eq pcmk-1 location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ----- The automated constraint used to move the resources to +pcmk-1+ is the line beginning with +location cli-prefer-WebSite+. endif::[] === Giving Control Back to the Cluster === Once we've finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1. ifdef::pcs[] [source,C] ----- # pcs constraint all Location Constraints: Resource: WebSite Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY) Ordering Constraints: start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory) Colocation Constraints: WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY) # pcs constraint rm location-WebSite-pcmk-1-INFINITY # pcs constraint Location Constraints: Ordering Constraints: start ClusterIP then start WebSite Colocation Constraints: WebSite with ClusterIP ----- endif::[] ifdef::crmsh[] [source,C] ----- # crm resource unmove WebSite # crm configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ----- endif::[] Note that the constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1. ifdef::pcs[] [source,C] ----- # pcs status Last updated: Fri Sep 14 11:57:12 2012 Last change: Fri Sep 14 11:57:03 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 ----- endif::[] ifdef::crmsh[] [source,C] ----- # crm_mon ============ Last updated: Tue Apr 3 12:05:08 2012 Last change: Tue Apr 3 12:03:37 2012 via crm_resource on pcmk-1 Stack: corosync Current DC: pcmk-2 (1719314624) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf:heartbeat:apache): Started pcmk-1 ----- endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Installation.txt000066400000000000000000001540361217637305600260460ustar00rootroot00000000000000= Installation = == OS Installation == Detailed instructions for installing Fedora are available at http://docs.fedoraproject.org/en-US/Fedora/17/html/Installation_Guide/ in a number of languages. The abbreviated version is as follows... Point your browser to http://fedoraproject.org/en/get-fedora-all, locate the +Install Media+ section and download the install DVD that matches your hardware. Burn the disk image to a DVD footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Burning_ISO_images_to_disc/index.html] and boot from it, or use the image to boot a virtual machine. After clicking through the welcome screen, select your language, keyboard layout footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-keyboard-x86.html] and storage type footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/Storage_Devices-x86.html] Assign your machine a host name. footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-Netconfig-x86.html] I happen to control the clusterlabs.org domain name, so I will use that here. [IMPORTANT] =========== Do not accept the default network settings. Cluster machines should never obtain an IP address via DHCP. When you are presented with the +Configure Network+ advanced option, select that option before continuing with the installation process to specify a fixed IPv4 address for +System eth0+. Be sure to also enter the +Routes+ section and add an entry for your default gateway. image::images/Network.png["Custom network settings",align="center"] If you miss this step, this can easily be configured after installation. You will have to navigate to +system settings+ and select +network+. From there you can select what device to configure. =========== You will then be prompted to indicate the machine's physical location footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-timezone-x86.html] and to supply a root password. footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-account_configuration-x86.html] Now select where you want Fedora installed. footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-diskpartsetup-x86.html] As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive. [IMPORTANT] =========== By default Fedora uses LVM for partitioning which allows us to dynamically change the amount of space allocated to a given partition. However, by default it also allocates all free space to the +/+ (aka. +root+) partition which cannot be dynamically _reduced_ in size (dynamic increases are fine by-the-way). So if you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume. To do so select the +Review and modify partitioning layout+ checkbox before clicking +Next+. You will then be given an opportunity to reduce the size of the +root+ partition. =========== Next choose which software should be installed. footnote:[http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-pkgselection-x86.html] Change the selection to Minimal so that we see everything that gets installed. Don't enable updates yet, we'll do that (and install any extra software we need) later. After you click next, Fedora will begin installing. Go grab something to drink, this may take a while. Once the node reboots, you'll see a (possibly mangled) login prompt on the console. Login using +root+ and the password you created earlier. image::images/Console.png["Initial Console",align="center"] [NOTE] ====== From here on in we're going to be working exclusively from the terminal. ====== == Post Installation Tasks == === Networking === Bring up the network and ensure it starts at boot [source,C] ----- # service network start # chkconfig network on ----- Check the machine has the static IP address you configured earlier [source,C] ----- # ip addr 1: lo: mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 52:54:00:d7:d6:08 brd ff:ff:ff:ff:ff:ff inet 192.168.122.101/24 brd 192.168.122.255 scope global eth0 inet6 fe80::5054:ff:fed7:d608/64 scope link valid_lft forever preferred_lft forever ----- Now check the default route setting: [source,C] ----- [root@pcmk-1 ~]# ip route default via 192.168.122.1 dev eth0 192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.101 ----- If there is no line beginning with +default via+, then you may need to add a line such as [source,Bash] GATEWAY=192.168.122.1 to '/etc/sysconfig/network' and restart the network. Now check for connectivity to the outside world. Start small by testing if we can read the gateway we configured. [source,C] ----- # ping -c 1 192.168.122.1 PING 192.168.122.1 (192.168.122.1) 56(84) bytes of data. 64 bytes from 192.168.122.1: icmp_req=1 ttl=64 time=0.249 ms --- 192.168.122.1 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 0.249/0.249/0.249/0.000 ms ----- Now try something external, choose a location you know will be available. [source,C] ----- # ping -c 1 www.google.com PING www.l.google.com (173.194.72.106) 56(84) bytes of data. 64 bytes from tf-in-f106.1e100.net (173.194.72.106): icmp_req=1 ttl=41 time=167 ms --- www.l.google.com ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 167.618/167.618/167.618/0.000 ms ----- === Leaving the Console === The console isn't a very friendly place to work from, we will now switch to accessing the machine remotely via SSH where we can use copy&paste etc. First we check we can see the newly installed at all: [source,C] ----- beekhof@f16 ~ # ping -c 1 192.168.122.101 PING 192.168.122.101 (192.168.122.101) 56(84) bytes of data. 64 bytes from 192.168.122.101: icmp_req=1 ttl=64 time=1.01 ms --- 192.168.122.101 ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 0ms rtt min/avg/max/mdev = 1.012/1.012/1.012/0.000 ms ----- Next we login via SSH [source,C] ----- beekhof@f16 ~ # ssh -l root 192.168.122.11 root@192.168.122.11's password: Last login: Fri Mar 30 19:41:19 2012 from 192.168.122.1 [root@pcmk-1 ~]# ----- === Security Shortcuts === To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine's firewall and SELinux installation. [WARNING] =========== Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world. =========== [IMPORTANT] =========== TODO: Create an Appendix that deals with (at least) re-enabling the firewall. =========== [source,C] ---- # setenforce 0 # sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config # systemctl disable iptables.service # rm '/etc/systemd/system/basic.target.wants/iptables.service' # systemctl stop iptables.service ---- === Short Node Names === During installation, we filled in the machine's fully qualified domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself: (((Nodes, short name))) [source,C] ---- # uname -n pcmk-1.clusterlabs.org # dnsdomainname clusterlabs.org ---- (((Nodes, Domain name (Query)))) The output from the second command is fine, but we really don't need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start. [source,C] ---- # cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1.clusterlabs.org GATEWAY=192.168.122.1 ---- All we need to do now is strip off the domain name portion, which is stored elsewhere anyway. [source,C] ---- # sed -i.sed 's/\.[a-z].*//g' /etc/sysconfig/network ---- Now confirm the change was successful. The revised file contents should look something like this. [source,C] ---- # cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1 GATEWAY=192.168.122.1 ---- However we're not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update. [source,C] ---- # source /etc/sysconfig/network # hostname $HOSTNAME ---- (((Nodes, Domain name (Remove from host name)))) Now check the machine is using the correct names [source,C] ---- # uname -n pcmk-1 # dnsdomainname clusterlabs.org ---- === NTP === It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier. footnote:[http://docs.fedoraproject.org/en-US/Fedora/17/html-single/System_Administrators_Guide/index.html#ch-Configuring_the_Date_and_Time] == Before You Continue == Repeat the Installation steps so far, so that you have two Fedora nodes ready to have the cluster software installed. For the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.102. === Finalize Networking === Confirm that you can communicate between the two new nodes: [source,C] ---- # ping -c 3 192.168.122.102 PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data. 64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms 64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms 64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms --- 192.168.122.102 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms ---- Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the two machines. Otherwise, you'll need to add the machines to '/etc/hosts' . Below are the entries for my cluster nodes: [source,C] ---- # grep pcmk /etc/hosts 192.168.122.101 pcmk-1.clusterlabs.org pcmk-1 192.168.122.102 pcmk-2.clusterlabs.org pcmk-2 ---- We can now verify the setup by again using ping: [source,C] ---- # ping -c 3 pcmk-2 PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data. 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms --- pcmk-2.clusterlabs.org ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2001ms rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms ---- === Configure SSH === SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N option) so that we can perform remote actions without being prompted. (((SSH))) [WARNING] ========= Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world. We use them here only to simplify the demo. ========= Create a new key and allow anyone with that key to log in: .Creating and Activating a new SSH Key [source,C] ---- # ssh-keygen -t dsa -f ~/.ssh/id_dsa -N "" Generating public/private dsa key pair. Your identification has been saved in /root/.ssh/id_dsa. Your public key has been saved in /root/.ssh/id_dsa.pub. The key fingerprint is: 91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org The key's randomart image is: +--[ DSA 1024]----+ |==.ooEo.. | |X O + .o o | | * A + | | + . | | . S | | | | | | | | | +-----------------+ # cp .ssh/id_dsa.pub .ssh/authorized_keys ---- (((Creating and Activating a new SSH Key))) Install the key on the other nodes and test that you can now run commands remotely, without being prompted .Installing the SSH Key on Another Host [source,C] ---- # scp -r .ssh pcmk-2: The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established. RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.root@pcmk-2's password: id_dsa.pub 100% 616 0.6KB/s 00:00 id_dsa 100% 672 0.7KB/s 00:00 known_hosts 100% 400 0.4KB/s 00:00 authorized_keys 100% 616 0.6KB/s 00:00 # ssh pcmk-2 -- uname -n pcmk-2 # ---- == Cluster Software Installation == === Install the Cluster Software === Since version 12, Fedora comes with recent versions of everything you need, so simply fire up a shell on all your nodes and run: [source,C] ---- [ALL] # yum install -y pacemaker corosync ---- ..... fedora/metalink | 38 kB 00:00 fedora | 4.2 kB 00:00 fedora/primary_db | 14 MB 00:21 updates/metalink | 2.7 kB 00:00 updates | 2.6 kB 00:00 updates/primary_db | 1.2 kB 00:00 updates-testing/metalink | 28 kB 00:00 updates-testing | 4.5 kB 00:00 updates-testing/primary_db | 4.5 MB 00:12 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package corosync.x86_64 0:1.99.9-1.fc17 will be installed --> Processing Dependency: corosynclib = 1.99.9-1.fc17 for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libxslt for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libvotequorum.so.5(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libquorum.so.5(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcmap.so.4(COROSYNC_CMAP_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcfg.so.6(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libvotequorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libtotem_pg.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libquorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libqb.so.0()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libnetsnmp.so.30()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcorosync_common.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcmap.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 --> Processing Dependency: libcfg.so.6()(64bit) for package: corosync-1.99.9-1.fc17.x86_64 ---> Package pacemaker.x86_64 0:1.1.7-2.fc17 will be installed --> Processing Dependency: pacemaker-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: pacemaker-cluster-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: pacemaker-cli = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: resource-agents for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: perl(Getopt::Long) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libgnutls.so.26(GNUTLS_1_4)(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: cluster-glue for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: /usr/bin/perl for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libpe_status.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libltdl.so.7()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libgnutls.so.26()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64 --> Running transaction check ---> Package cluster-glue.x86_64 0:1.0.6-9.fc17.1 will be installed --> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.6-9.fc17.1.x86_64 --> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64 --> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64 --> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64 ---> Package cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 will be installed ---> Package corosynclib.x86_64 0:1.99.9-1.fc17 will be installed --> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64 --> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64 --> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64 ---> Package gnutls.x86_64 0:2.12.17-1.fc17 will be installed --> Processing Dependency: libtasn1.so.3(LIBTASN1_0_3)(64bit) for package: gnutls-2.12.17-1.fc17.x86_64 --> Processing Dependency: libtasn1.so.3()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64 --> Processing Dependency: libp11-kit.so.0()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64 ---> Package libqb.x86_64 0:0.11.1-1.fc17 will be installed ---> Package libtool-ltdl.x86_64 0:2.4.2-3.fc17 will be installed ---> Package libxslt.x86_64 0:1.1.26-9.fc17 will be installed ---> Package net-snmp-libs.x86_64 1:5.7.1-4.fc17 will be installed ---> Package pacemaker-cli.x86_64 0:1.1.7-2.fc17 will be installed ---> Package pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 will be installed ---> Package pacemaker-libs.x86_64 0:1.1.7-2.fc17 will be installed ---> Package perl.x86_64 4:5.14.2-211.fc17 will be installed --> Processing Dependency: perl-libs = 4:5.14.2-211.fc17 for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(threads::shared) >= 1.21 for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Socket) >= 1.3 for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Scalar::Util) >= 1.10 for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(File::Spec) >= 0.8 for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl-macros for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl-libs for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(threads::shared) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(threads) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Socket) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Scalar::Util) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(List::Util) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(File::Spec::Unix) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(File::Spec::Functions) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(File::Spec) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Cwd) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: perl(Carp) for package: 4:perl-5.14.2-211.fc17.x86_64 --> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.14.2-211.fc17.x86_64 ---> Package resource-agents.x86_64 0:3.9.2-2.fc17.1 will be installed --> Processing Dependency: /usr/sbin/rpc.nfsd for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /usr/sbin/rpc.mountd for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /usr/sbin/ethtool for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/rpc.statd for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/quotaon for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/quotacheck for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/mount.nfs4 for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/mount.nfs for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/mount.cifs for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: /sbin/fsck.xfs for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.9.2-2.fc17.1.x86_64 --> Running transaction check ---> Package OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 will be installed ---> Package cifs-utils.x86_64 0:5.3-2.fc17 will be installed --> Processing Dependency: libtalloc.so.2(TALLOC_2.0.2)(64bit) for package: cifs-utils-5.3-2.fc17.x86_64 --> Processing Dependency: keyutils for package: cifs-utils-5.3-2.fc17.x86_64 --> Processing Dependency: libwbclient.so.0()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64 --> Processing Dependency: libtalloc.so.2()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64 ---> Package ethtool.x86_64 2:3.2-2.fc17 will be installed ---> Package libibverbs.x86_64 0:1.1.6-2.fc17 will be installed ---> Package libnet.x86_64 0:1.1.5-3.fc17 will be installed ---> Package librdmacm.x86_64 0:1.0.15-1.fc17 will be installed ---> Package libtasn1.x86_64 0:2.12-1.fc17 will be installed ---> Package nfs-utils.x86_64 1:1.2.5-12.fc17 will be installed --> Processing Dependency: rpcbind for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libtirpc for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libnfsidmap for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libgssglue.so.1(libgssapi_CITI_2)(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libgssglue for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libevent for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libtirpc.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libnfsidmap.so.0()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libgssglue.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 --> Processing Dependency: libevent-2.0.so.5()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64 ---> Package p11-kit.x86_64 0:0.12-1.fc17 will be installed ---> Package perl-Carp.noarch 0:1.22-2.fc17 will be installed ---> Package perl-Module-Pluggable.noarch 1:3.90-211.fc17 will be installed ---> Package perl-PathTools.x86_64 0:3.33-211.fc17 will be installed ---> Package perl-Pod-Simple.noarch 1:3.16-211.fc17 will be installed --> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.16-211.fc17.noarch ---> Package perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 will be installed ---> Package perl-Socket.x86_64 0:2.001-1.fc17 will be installed ---> Package perl-TimeDate.noarch 1:1.20-6.fc17 will be installed ---> Package perl-libs.x86_64 4:5.14.2-211.fc17 will be installed ---> Package perl-macros.x86_64 4:5.14.2-211.fc17 will be installed ---> Package perl-threads.x86_64 0:1.86-2.fc17 will be installed ---> Package perl-threads-shared.x86_64 0:1.40-2.fc17 will be installed ---> Package quota.x86_64 1:4.00-3.fc17 will be installed --> Processing Dependency: quota-nls = 1:4.00-3.fc17 for package: 1:quota-4.00-3.fc17.x86_64 --> Processing Dependency: tcp_wrappers for package: 1:quota-4.00-3.fc17.x86_64 ---> Package xfsprogs.x86_64 0:3.1.8-1.fc17 will be installed --> Running transaction check ---> Package keyutils.x86_64 0:1.5.5-2.fc17 will be installed ---> Package libevent.x86_64 0:2.0.14-2.fc17 will be installed ---> Package libgssglue.x86_64 0:0.3-1.fc17 will be installed ---> Package libnfsidmap.x86_64 0:0.25-1.fc17 will be installed ---> Package libtalloc.x86_64 0:2.0.7-4.fc17 will be installed ---> Package libtirpc.x86_64 0:0.2.2-2.1.fc17 will be installed ---> Package libwbclient.x86_64 1:3.6.3-81.fc17.1 will be installed ---> Package perl-Pod-Escapes.noarch 1:1.04-211.fc17 will be installed ---> Package quota-nls.noarch 1:4.00-3.fc17 will be installed ---> Package rpcbind.x86_64 0:0.2.0-16.fc17 will be installed ---> Package tcp_wrappers.x86_64 0:7.6-69.fc17 will be installed --> Finished Dependency Resolution Dependencies Resolved ===================================================================================== Package Arch Version Repository Size ===================================================================================== Installing: corosync x86_64 1.99.9-1.fc17 updates-testing 159 k pacemaker x86_64 1.1.7-2.fc17 updates-testing 362 k Installing for dependencies: OpenIPMI-libs x86_64 2.0.18-13.fc17 fedora 466 k cifs-utils x86_64 5.3-2.fc17 updates-testing 66 k cluster-glue x86_64 1.0.6-9.fc17.1 fedora 229 k cluster-glue-libs x86_64 1.0.6-9.fc17.1 fedora 121 k corosynclib x86_64 1.99.9-1.fc17 updates-testing 96 k ethtool x86_64 2:3.2-2.fc17 fedora 94 k gnutls x86_64 2.12.17-1.fc17 fedora 385 k keyutils x86_64 1.5.5-2.fc17 fedora 49 k libevent x86_64 2.0.14-2.fc17 fedora 160 k libgssglue x86_64 0.3-1.fc17 fedora 24 k libibverbs x86_64 1.1.6-2.fc17 fedora 44 k libnet x86_64 1.1.5-3.fc17 fedora 54 k libnfsidmap x86_64 0.25-1.fc17 fedora 34 k libqb x86_64 0.11.1-1.fc17 updates-testing 68 k librdmacm x86_64 1.0.15-1.fc17 fedora 27 k libtalloc x86_64 2.0.7-4.fc17 fedora 22 k libtasn1 x86_64 2.12-1.fc17 updates-testing 319 k libtirpc x86_64 0.2.2-2.1.fc17 fedora 78 k libtool-ltdl x86_64 2.4.2-3.fc17 fedora 45 k libwbclient x86_64 1:3.6.3-81.fc17.1 updates-testing 68 k libxslt x86_64 1.1.26-9.fc17 fedora 416 k net-snmp-libs x86_64 1:5.7.1-4.fc17 fedora 713 k nfs-utils x86_64 1:1.2.5-12.fc17 fedora 311 k p11-kit x86_64 0.12-1.fc17 updates-testing 36 k pacemaker-cli x86_64 1.1.7-2.fc17 updates-testing 368 k pacemaker-cluster-libs x86_64 1.1.7-2.fc17 updates-testing 77 k pacemaker-libs x86_64 1.1.7-2.fc17 updates-testing 322 k perl x86_64 4:5.14.2-211.fc17 fedora 10 M perl-Carp noarch 1.22-2.fc17 fedora 17 k perl-Module-Pluggable noarch 1:3.90-211.fc17 fedora 47 k perl-PathTools x86_64 3.33-211.fc17 fedora 105 k perl-Pod-Escapes noarch 1:1.04-211.fc17 fedora 40 k perl-Pod-Simple noarch 1:3.16-211.fc17 fedora 223 k perl-Scalar-List-Utils x86_64 1.25-1.fc17 updates-testing 33 k perl-Socket x86_64 2.001-1.fc17 updates-testing 44 k perl-TimeDate noarch 1:1.20-6.fc17 fedora 43 k perl-libs x86_64 4:5.14.2-211.fc17 fedora 628 k perl-macros x86_64 4:5.14.2-211.fc17 fedora 32 k perl-threads x86_64 1.86-2.fc17 fedora 47 k perl-threads-shared x86_64 1.40-2.fc17 fedora 36 k quota x86_64 1:4.00-3.fc17 fedora 160 k quota-nls noarch 1:4.00-3.fc17 fedora 74 k resource-agents x86_64 3.9.2-2.fc17.1 fedora 466 k rpcbind x86_64 0.2.0-16.fc17 fedora 52 k tcp_wrappers x86_64 7.6-69.fc17 fedora 72 k xfsprogs x86_64 3.1.8-1.fc17 updates-testing 715 k Transaction Summary ===================================================================================== Install 2 Packages (+46 Dependent packages) Total download size: 18 M Installed size: 59 M Downloading Packages: (1/48): OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm | 466 kB 00:00 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 1aca3465: NOKEY Public key for OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm is not installed (2/48): cifs-utils-5.3-2.fc17.x86_64.rpm | 66 kB 00:01 Public key for cifs-utils-5.3-2.fc17.x86_64.rpm is not installed (3/48): cluster-glue-1.0.6-9.fc17.1.x86_64.rpm | 229 kB 00:00 (4/48): cluster-glue-libs-1.0.6-9.fc17.1.x86_64.rpm | 121 kB 00:00 (5/48): corosync-1.99.9-1.fc17.x86_64.rpm | 159 kB 00:01 (6/48): corosynclib-1.99.9-1.fc17.x86_64.rpm | 96 kB 00:00 (7/48): ethtool-3.2-2.fc17.x86_64.rpm | 94 kB 00:00 (8/48): gnutls-2.12.17-1.fc17.x86_64.rpm | 385 kB 00:00 (9/48): keyutils-1.5.5-2.fc17.x86_64.rpm | 49 kB 00:00 (10/48): libevent-2.0.14-2.fc17.x86_64.rpm | 160 kB 00:00 (11/48): libgssglue-0.3-1.fc17.x86_64.rpm | 24 kB 00:00 (12/48): libibverbs-1.1.6-2.fc17.x86_64.rpm | 44 kB 00:00 (13/48): libnet-1.1.5-3.fc17.x86_64.rpm | 54 kB 00:00 (14/48): libnfsidmap-0.25-1.fc17.x86_64.rpm | 34 kB 00:00 (15/48): libqb-0.11.1-1.fc17.x86_64.rpm | 68 kB 00:01 (16/48): librdmacm-1.0.15-1.fc17.x86_64.rpm | 27 kB 00:00 (17/48): libtalloc-2.0.7-4.fc17.x86_64.rpm | 22 kB 00:00 (18/48): libtasn1-2.12-1.fc17.x86_64.rpm | 319 kB 00:02 (19/48): libtirpc-0.2.2-2.1.fc17.x86_64.rpm | 78 kB 00:00 (20/48): libtool-ltdl-2.4.2-3.fc17.x86_64.rpm | 45 kB 00:00 (21/48): libwbclient-3.6.3-81.fc17.1.x86_64.rpm | 68 kB 00:00 (22/48): libxslt-1.1.26-9.fc17.x86_64.rpm | 416 kB 00:00 (23/48): net-snmp-libs-5.7.1-4.fc17.x86_64.rpm | 713 kB 00:01 (24/48): nfs-utils-1.2.5-12.fc17.x86_64.rpm | 311 kB 00:00 (25/48): p11-kit-0.12-1.fc17.x86_64.rpm | 36 kB 00:01 (26/48): pacemaker-1.1.7-2.fc17.x86_64.rpm | 362 kB 00:02 (27/48): pacemaker-cli-1.1.7-2.fc17.x86_64.rpm | 368 kB 00:02 (28/48): pacemaker-cluster-libs-1.1.7-2.fc17.x86_64.rpm | 77 kB 00:00 (29/48): pacemaker-libs-1.1.7-2.fc17.x86_64.rpm | 322 kB 00:01 (30/48): perl-5.14.2-211.fc17.x86_64.rpm | 10 MB 00:15 (31/48): perl-Carp-1.22-2.fc17.noarch.rpm | 17 kB 00:00 (32/48): perl-Module-Pluggable-3.90-211.fc17.noarch.rpm | 47 kB 00:00 (33/48): perl-PathTools-3.33-211.fc17.x86_64.rpm | 105 kB 00:00 (34/48): perl-Pod-Escapes-1.04-211.fc17.noarch.rpm | 40 kB 00:00 (35/48): perl-Pod-Simple-3.16-211.fc17.noarch.rpm | 223 kB 00:00 (36/48): perl-Scalar-List-Utils-1.25-1.fc17.x86_64.rpm | 33 kB 00:01 (37/48): perl-Socket-2.001-1.fc17.x86_64.rpm | 44 kB 00:00 (38/48): perl-TimeDate-1.20-6.fc17.noarch.rpm | 43 kB 00:00 (39/48): perl-libs-5.14.2-211.fc17.x86_64.rpm | 628 kB 00:00 (40/48): perl-macros-5.14.2-211.fc17.x86_64.rpm | 32 kB 00:00 (41/48): perl-threads-1.86-2.fc17.x86_64.rpm | 47 kB 00:00 (42/48): perl-threads-shared-1.40-2.fc17.x86_64.rpm | 36 kB 00:00 (43/48): quota-4.00-3.fc17.x86_64.rpm | 160 kB 00:00 (44/48): quota-nls-4.00-3.fc17.noarch.rpm | 74 kB 00:00 (45/48): resource-agents-3.9.2-2.fc17.1.x86_64.rpm | 466 kB 00:00 (46/48): rpcbind-0.2.0-16.fc17.x86_64.rpm | 52 kB 00:00 (47/48): tcp_wrappers-7.6-69.fc17.x86_64.rpm | 72 kB 00:00 (48/48): xfsprogs-3.1.8-1.fc17.x86_64.rpm | 715 kB 00:03 ---------------------------------------------------------------------------------------- Total 333 kB/s | 18 MB 00:55 Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64 Importing GPG key 0x1ACA3465: Userid : "Fedora (17) " Fingerprint: cac4 3fb7 74a4 a673 d81c 5de7 50e9 4c99 1aca 3465 Package : fedora-release-17-0.8.noarch (@anaconda-0) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64 Running Transaction Check Running Transaction Test Transaction Test Succeeded Running Transaction Installing : libqb-0.11.1-1.fc17.x86_64 1/48 Installing : libtool-ltdl-2.4.2-3.fc17.x86_64 2/48 Installing : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 3/48 Installing : libxslt-1.1.26-9.fc17.x86_64 4/48 Installing : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 5/48 Installing : perl-threads-1.86-2.fc17.x86_64 6/48 Installing : 4:perl-macros-5.14.2-211.fc17.x86_64 7/48 Installing : 1:perl-Pod-Simple-3.16-211.fc17.noarch 8/48 Installing : perl-Socket-2.001-1.fc17.x86_64 9/48 Installing : perl-Carp-1.22-2.fc17.noarch 10/48 Installing : 4:perl-libs-5.14.2-211.fc17.x86_64 11/48 Installing : perl-threads-shared-1.40-2.fc17.x86_64 12/48 Installing : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 13/48 Installing : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 14/48 Installing : perl-PathTools-3.33-211.fc17.x86_64 15/48 Installing : 4:perl-5.14.2-211.fc17.x86_64 16/48 Installing : libibverbs-1.1.6-2.fc17.x86_64 17/48 Installing : keyutils-1.5.5-2.fc17.x86_64 18/48 Installing : libgssglue-0.3-1.fc17.x86_64 19/48 Installing : libtirpc-0.2.2-2.1.fc17.x86_64 20/48 Installing : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 21/48 Installing : rpcbind-0.2.0-16.fc17.x86_64 22/48 Installing : librdmacm-1.0.15-1.fc17.x86_64 23/48 Installing : corosynclib-1.99.9-1.fc17.x86_64 24/48 Installing : corosync-1.99.9-1.fc17.x86_64 25/48 error reading information on service corosync: No such file or directory Installing : 1:perl-TimeDate-1.20-6.fc17.noarch 26/48 Installing : 1:quota-nls-4.00-3.fc17.noarch 27/48 Installing : tcp_wrappers-7.6-69.fc17.x86_64 28/48 Installing : 1:quota-4.00-3.fc17.x86_64 29/48 Installing : libnfsidmap-0.25-1.fc17.x86_64 30/48 Installing : 1:libwbclient-3.6.3-81.fc17.1.x86_64 31/48 Installing : libnet-1.1.5-3.fc17.x86_64 32/48 Installing : 2:ethtool-3.2-2.fc17.x86_64 33/48 Installing : libevent-2.0.14-2.fc17.x86_64 34/48 Installing : 1:nfs-utils-1.2.5-12.fc17.x86_64 35/48 Installing : libtalloc-2.0.7-4.fc17.x86_64 36/48 Installing : cifs-utils-5.3-2.fc17.x86_64 37/48 Installing : libtasn1-2.12-1.fc17.x86_64 38/48 Installing : OpenIPMI-libs-2.0.18-13.fc17.x86_64 39/48 Installing : cluster-glue-1.0.6-9.fc17.1.x86_64 40/48 Installing : p11-kit-0.12-1.fc17.x86_64 41/48 Installing : gnutls-2.12.17-1.fc17.x86_64 42/48 Installing : pacemaker-libs-1.1.7-2.fc17.x86_64 43/48 Installing : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 44/48 Installing : pacemaker-cli-1.1.7-2.fc17.x86_64 45/48 Installing : xfsprogs-3.1.8-1.fc17.x86_64 46/48 Installing : resource-agents-3.9.2-2.fc17.1.x86_64 47/48 Installing : pacemaker-1.1.7-2.fc17.x86_64 48/48 Verifying : xfsprogs-3.1.8-1.fc17.x86_64 1/48 Verifying : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 2/48 Verifying : corosync-1.99.9-1.fc17.x86_64 3/48 Verifying : cluster-glue-1.0.6-9.fc17.1.x86_64 4/48 Verifying : perl-PathTools-3.33-211.fc17.x86_64 5/48 Verifying : p11-kit-0.12-1.fc17.x86_64 6/48 Verifying : 1:perl-Pod-Simple-3.16-211.fc17.noarch 7/48 Verifying : OpenIPMI-libs-2.0.18-13.fc17.x86_64 8/48 Verifying : libtasn1-2.12-1.fc17.x86_64 9/48 Verifying : perl-threads-1.86-2.fc17.x86_64 10/48 Verifying : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 11/48 Verifying : pacemaker-1.1.7-2.fc17.x86_64 12/48 Verifying : 4:perl-5.14.2-211.fc17.x86_64 13/48 Verifying : gnutls-2.12.17-1.fc17.x86_64 14/48 Verifying : perl-threads-shared-1.40-2.fc17.x86_64 15/48 Verifying : 4:perl-macros-5.14.2-211.fc17.x86_64 16/48 Verifying : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 17/48 Verifying : 1:nfs-utils-1.2.5-12.fc17.x86_64 18/48 Verifying : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 19/48 Verifying : pacemaker-libs-1.1.7-2.fc17.x86_64 20/48 Verifying : libtalloc-2.0.7-4.fc17.x86_64 21/48 Verifying : libevent-2.0.14-2.fc17.x86_64 22/48 Verifying : perl-Socket-2.001-1.fc17.x86_64 23/48 Verifying : libgssglue-0.3-1.fc17.x86_64 24/48 Verifying : perl-Carp-1.22-2.fc17.noarch 25/48 Verifying : libtirpc-0.2.2-2.1.fc17.x86_64 26/48 Verifying : 2:ethtool-3.2-2.fc17.x86_64 27/48 Verifying : 4:perl-libs-5.14.2-211.fc17.x86_64 28/48 Verifying : libxslt-1.1.26-9.fc17.x86_64 29/48 Verifying : rpcbind-0.2.0-16.fc17.x86_64 30/48 Verifying : librdmacm-1.0.15-1.fc17.x86_64 31/48 Verifying : resource-agents-3.9.2-2.fc17.1.x86_64 32/48 Verifying : 1:quota-4.00-3.fc17.x86_64 33/48 Verifying : 1:perl-TimeDate-1.20-6.fc17.noarch 34/48 Verifying : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 35/48 Verifying : libtool-ltdl-2.4.2-3.fc17.x86_64 36/48 Verifying : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 37/48 Verifying : cifs-utils-5.3-2.fc17.x86_64 38/48 Verifying : libnet-1.1.5-3.fc17.x86_64 39/48 Verifying : corosynclib-1.99.9-1.fc17.x86_64 40/48 Verifying : libqb-0.11.1-1.fc17.x86_64 41/48 Verifying : 1:libwbclient-3.6.3-81.fc17.1.x86_64 42/48 Verifying : libnfsidmap-0.25-1.fc17.x86_64 43/48 Verifying : tcp_wrappers-7.6-69.fc17.x86_64 44/48 Verifying : keyutils-1.5.5-2.fc17.x86_64 45/48 Verifying : libibverbs-1.1.6-2.fc17.x86_64 46/48 Verifying : 1:quota-nls-4.00-3.fc17.noarch 47/48 Verifying : pacemaker-cli-1.1.7-2.fc17.x86_64 48/48 Installed: corosync.x86_64 0:1.99.9-1.fc17 pacemaker.x86_64 0:1.1.7-2.fc17 Dependency Installed: OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 cifs-utils.x86_64 0:5.3-2.fc17 cluster-glue.x86_64 0:1.0.6-9.fc17.1 cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 corosynclib.x86_64 0:1.99.9-1.fc17 ethtool.x86_64 2:3.2-2.fc17 gnutls.x86_64 0:2.12.17-1.fc17 keyutils.x86_64 0:1.5.5-2.fc17 libevent.x86_64 0:2.0.14-2.fc17 libgssglue.x86_64 0:0.3-1.fc17 libibverbs.x86_64 0:1.1.6-2.fc17 libnet.x86_64 0:1.1.5-3.fc17 libnfsidmap.x86_64 0:0.25-1.fc17 libqb.x86_64 0:0.11.1-1.fc17 librdmacm.x86_64 0:1.0.15-1.fc17 libtalloc.x86_64 0:2.0.7-4.fc17 libtasn1.x86_64 0:2.12-1.fc17 libtirpc.x86_64 0:0.2.2-2.1.fc17 libtool-ltdl.x86_64 0:2.4.2-3.fc17 libwbclient.x86_64 1:3.6.3-81.fc17.1 libxslt.x86_64 0:1.1.26-9.fc17 net-snmp-libs.x86_64 1:5.7.1-4.fc17 nfs-utils.x86_64 1:1.2.5-12.fc17 p11-kit.x86_64 0:0.12-1.fc17 pacemaker-cli.x86_64 0:1.1.7-2.fc17 pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 pacemaker-libs.x86_64 0:1.1.7-2.fc17 perl.x86_64 4:5.14.2-211.fc17 perl-Carp.noarch 0:1.22-2.fc17 perl-Module-Pluggable.noarch 1:3.90-211.fc17 perl-PathTools.x86_64 0:3.33-211.fc17 perl-Pod-Escapes.noarch 1:1.04-211.fc17 perl-Pod-Simple.noarch 1:3.16-211.fc17 perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 perl-Socket.x86_64 0:2.001-1.fc17 perl-TimeDate.noarch 1:1.20-6.fc17 perl-libs.x86_64 4:5.14.2-211.fc17 perl-macros.x86_64 4:5.14.2-211.fc17 perl-threads.x86_64 0:1.86-2.fc17 perl-threads-shared.x86_64 0:1.40-2.fc17 quota.x86_64 1:4.00-3.fc17 quota-nls.noarch 1:4.00-3.fc17 resource-agents.x86_64 0:3.9.2-2.fc17.1 rpcbind.x86_64 0:0.2.0-16.fc17 tcp_wrappers.x86_64 0:7.6-69.fc17 xfsprogs.x86_64 0:3.1.8-1.fc17 Complete! [root@pcmk-1 ~]# ..... Now install the cluster software on the second node. ifdef::pcs[] === Install the Cluster Management Software === The pcs cli command coupled with the pcs daemon creates a cluster management system capable of managing all aspects of the cluster stack across all nodes from a single location. [source,C] ---- [ALL] # yum install -y pcs ---- Make sure to install the pcs packages on both nodes. endif::[] == Setup == ifdef::pcs[] === Enable pcs Daemon === Before the cluster can be configured, the pcs daemon must be started and enabled to boot on startup on each node. This daemon works with the pcs cli command to manage syncing the corosync configuration across all the nodes in the cluster. Start and enable the daemon by issuing the following commands on each node. [source,C] ---- # systemctl start pcsd.service # systemctl enable pcsd.service ---- Now we need a way for `pcs` to talk to itself on other nodes in the cluster. This is necessary in order to perform tasks such as syncing the corosync config, or starting/stopping the cluster on remote nodes While `pcs` can be used locally without setting up these user accounts, this tutorial will make use of these remote access commands, so we will set a password for the 'hacluster' user. Its probably best if password is consistent across all the nodes. As 'root', run: [source,C] ---- # passwd hacluster password: ---- Alternatively, to script this process or set the password on a different machine to the one you're logged into, you can use the `--stdin` option for `passwd`: [source,C] ---- # ssh pcmk-2 -- 'echo redhat1 | passwd --stdin hacluster' ---- endif::[] ifdef::crmsh[] === Preparation - Multicast === Choose a port number and http://en.wikipedia.org/wiki/Multicast[multi-cast] address. http://en.wikipedia.org/wiki/Multicast_address[] Be sure that the values you chose do not conflict with any existing clusters you might have. For this document, I have chosen port '4000' and used '239.255.1.1' as the multi-cast address. endif::[] === Notes on Multicast Address Assignment === There are several subtle points that often deserve consideration when choosing/assigning multicast addresses for corosync. footnote:[This information is borrowed from, the now defunct, http://web.archive.org/web/20101211210054/http://29west.com/docs/THPM/multicast-address-assignment.html] . Avoid '224.0.0.x' + Traffic to addresses of the form '224.0.0.x' is often flooded to all switch ports. This address range is reserved for link-local uses. Many routing protocols assume that all traffic within this range will be received by all routers on the network. Hence (at least all Cisco) switches flood traffic within this range. The flooding behavior overrides the normal selective forwarding behavior of a multicast-aware switch (e.g. IGMP snooping, CGMP, etc.). . Watch for '32:1' overlap + 32 non-contiguous IP multicast addresses are mapped onto each Ethernet multicast address. A receiver that joins a single IP multicast group implicitly joins 31 others due to this overlap. Of course, filtering in the operating system discards undesired multicast traffic from applications, but NIC bandwidth and CPU resources are nonetheless consumed discarding it. The overlap occurs in the 5 high-order bits, so it's best to use the 23 low-order bits to make distinct multicast streams unique. For example, IP multicast addresses in the range '239.0.0.0' to '239.127.255.255' all map to unique Ethernet multicast addresses. However, IP multicast address '239.128.0.0' maps to the same Ethernet multicast address as '239.0.0.0', '239.128.0.1' maps to the same Ethernet multicast address as '239.0.0.1', etc. . Avoid 'x.0.0.y' and 'x.128.0.y' + Combining the above two considerations, it's best to avoid using IP multicast addresses of the form 'x.0.0.y' and 'x.128.0.y' since they all map onto the range of Ethernet multicast addresses that are flooded to all switch ports. . Watch for address assignment conflicts + http://www.iana.org/[IANA] administers http://www.iana.org/assignments/multicast-addresses[Internet multicast addresses]. Potential conflicts with Internet multicast address assignments can be avoided by using http://www.ietf.org/rfc/rfc3180.txt[GLOP addressing] (http://en.wikipedia.org/wiki/Autonomous_system_%28Internet%29[AS] required) or http://www.ietf.org/rfc/rfc2365.txt[administratively scoped] addresses. Such addresses can be safely used on a network connected to the Internet without fear of conflict with multicast sources originating on the Internet. Administratively scoped addresses are roughly analogous to the unicast address space for http://www.ietf.org/rfc/rfc1918.txt[private internets]. Site-local multicast addresses are of the form '239.255.x.y', but can grow down to '239.252.x.y' if needed. Organization-local multicast addresses are of the form '239.192-251.x.y', but can grow down to '239.x.y.z' if needed. For a more detailed treatment (57 pages!), see http://www.cisco.com/en/US/tech/tk828/technologies_white_paper09186a00802d4643.shtml[Cisco's Guidelines for Enterprise IP Multicast Address Allocation] paper. === Configuring Corosync === ifdef::pcs[] In the past, at this point in the tutorial an explanation of how to configure and propagate corosync's /etc/corosync.conf file would be necessary. Using pcs with the pcs daemon greatly simplifies this process by generating 'corosync.conf' across all the nodes in the cluster with a single command. The only thing required to achieve this is to authenticate as the pcs user 'hacluster' on one of the nodes in the cluster, and then issue the 'pcs cluster setup' command with a list of all the node names in the cluster. [source,C] ---- # pcs cluster auth pcmk-1 pcmk-2 Username: hacluster Password: pcmk-1: Authorized pcmk-2: Authorized # pcs cluster setup mycluster pcmk-1 pcmk-2 pcmk-1: Succeeded pcmk-2: Succeeded ---- That's it. Corosync is configured across the cluster. If you received an authorization error for either of those commands, make sure you setup the 'hacluster' user account and password on every node in the cluster with the same password. endif::[] ifdef::crmsh[] [IMPORTANT] =========== The instructions below only apply for a machine with a single NIC. If you have a more complicated setup, you should edit the configuration manually. =========== [source,C] ---- # export ais_port=4000 # export ais_mcast=239.255.1.1 ---- Next we automatically determine the hosts address. By not using the full address, we make the configuration suitable to be copied to other nodes. [source,Bash] ---- export ais_addr=`ip addr | grep "inet " | tail -n 1 | awk '{print $4}' | sed s/255/0/g` ---- Display and verify the configuration options [source,Bash] ---- # env | grep ais_ ais_mcast=239.255.1.1 ais_port=4000 ais_addr=192.168.122.0 ---- Once you're happy with the chosen values, update the Corosync configuration [source,C] ---- # cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf # sed -i.bak "s/.*mcastaddr:.*/mcastaddr:\ $ais_mcast/g" /etc/corosync/corosync.conf # sed -i.bak "s/.*mcastport:.*/mcastport:\ $ais_port/g" /etc/corosync/corosync.conf # sed -i.bak "s/.*\tbindnetaddr:.*/bindnetaddr:\ $ais_addr/g" /etc/corosync/corosync.conf ---- Lastly, you'll need to enable quorum [source,Bash] ----- cat << END >> /etc/corosync/corosync.conf quorum { provider: corosync_votequorum expected_votes: 2 } END ----- endif::[] The final /etc/corosync.conf configuration on each node should look something like the sample in Appendix B, Sample Corosync Configuration. [IMPORTANT] =========== Pacemaker used to obtain membership and quorum from a custom Corosync plugin. This plugin also had the capability to start Pacemaker automatically when Corosync was started. Neither behavior is possible with Corosync 2.0 and beyond as support for plugins was removed. Instead, Pacemaker must be started as a separate service. Also, since Pacemaker made use of the plugin for message routing, a node using the plugin (Corosync prior to 2.0) cannot talk to one that isn't (Corosync 2.0+). Rolling upgrades between these versions are therefor not possible and an alternate strategy footnote:[http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html] must be used. =========== ifdef::crmsh[] === Propagate the Configuration === Now we need to copy the changes so far to the other node: [source,C] ---- # for f in /etc/corosync/corosync.conf /etc/hosts; do scp $f pcmk-2:$f ; done corosync.conf 100% 1528 1.5KB/s 00:00 hosts 100% 281 0.3KB/s 00:00 # ---- endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Intro.txt000066400000000000000000000160601217637305600244720ustar00rootroot00000000000000= Read-Me-First = == The Scope of this Document == Computer clusters can be used to provide highly available services or resources. The redundancy of multiple machines is used to guard against failures of many types. This document will walk through the installation and setup of simple clusters using the Fedora distribution, version 17. The clusters described here will use Pacemaker and Corosync to provide resource management and messaging. Required packages and modifications to their configuration files are described along with the use of the Pacemaker command line tool for generating the XML used for cluster control. Pacemaker is a central component and provides the resource management required in these systems. This management includes detecting and recovering from the failure of various nodes, resources and services under its control. When more in depth information is required and for real world usage, please refer to the http://www.clusterlabs.org/doc/[Pacemaker Explained] manual. == What Is Pacemaker? == Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat). Pacemaker's key features include: * Detection and recovery of node and service-level failures * Storage agnostic, no requirement for shared storage * Resource agnostic, anything that can be scripted can be clustered * Supports STONITH for ensuring data integrity * Supports large and small clusters * Supports both quorate and resource driven clusters * Supports practically any redundancy configuration * Automatically replicated configuration that can be updated from any node * Ability to specify cluster-wide service ordering, colocation and anti-colocation * Support for advanced service types ** Clones: for services which need to be active on multiple nodes ** Multi-state: for services with multiple modes (eg. master/slave, primary/secondary) * Unified, scriptable, cluster management tools. == Pacemaker Architecture == At the highest level, the cluster is made up of three pieces: * Non-cluster aware components (illustrated in green). These pieces include the resources themselves, scripts that start, stop and monitor them, and also a local daemon that masks the differences between the different standards these scripts implement. * Resource management Pacemaker provides the brain (illustrated in blue) that processes and reacts to events regarding the cluster. These events include nodes joining or leaving the cluster; resource events caused by failures, maintenance, scheduled activities; and other administrative actions. Pacemaker will compute the ideal state of the cluster and plot a path to achieve it after any of these events. This may include moving resources, stopping nodes and even forcing them offline with remote power switches. * Low level infrastructure Corosync provides reliable messaging, membership and quorum information about the cluster (illustrated in red). .Conceptual Stack Overview image::images/pcmk-overview.png["Conceptual overview of the cluster stack",align="center"] When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. footnote:[Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this.] Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services. .The Pacemaker Stack image::images/pcmk-stack.png["The Pacemaker StackThe Pacemaker stack when running on Corosync",align="center"] === Internal Components === Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram): * CIB (aka. Cluster Information Base) * CRMd (aka. Cluster Resource Management daemon) * PEngine (aka. PE or Policy Engine) * STONITHd .Internal Components image::images/pcmk-internals.png["Subsystems of a Pacemaker cluster running on Corosync",align="center"] The CIB uses XML to represent both the cluster's configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved. This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail... a new one is quickly established. The DC carries out the PEngine's instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process). The peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results. In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest. == Types of Pacemaker Clusters == Pacemaker makes no assumptions about your environment, this allows it to support practically any http://en.wikipedia.org/wiki/High-availability_cluster#Node_configurations[redundancy configuration] including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N. In this document we will focus on the setup of a highly available Apache web server with an Active/Passive cluster using DRBD and Ext4 to store data. Then, we will upgrade this cluster to Active/Active using GFS2. .Active/Passive Redundancy image::images/pcmk-active-passive.png["Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations",align="center"] .N to N Redundancy image::images/pcmk-active-active.png["When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload",align="center"] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Shared-Storage.txt000066400000000000000000000552571217637305600262220ustar00rootroot00000000000000= Replicated Storage with DRBD = == Background == Even if you're serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, it's not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details. == Install the DRBD Packages == Since its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD has shiped with Fedora since version 13. All you need to do is install it: [source,C] # yum install -y drbd-pacemaker drbd-udev ..... Loaded plugins: langpacks, presto, refresh-packagekit Resolving Dependencies --> Running transaction check ---> Package drbd-pacemaker.x86_64 0:8.3.11-5.fc17 will be installed --> Processing Dependency: drbd-utils = 8.3.11-5.fc17 for package: drbd-pacemaker-8.3.11-5.fc17.x86_64 ---> Package drbd-udev.x86_64 0:8.3.11-5.fc17 will be installed --> Running transaction check ---> Package drbd-utils.x86_64 0:8.3.11-5.fc17 will be installed --> Finished Dependency Resolution Dependencies Resolved ====================================================================================== Package Arch Version Repository Size ====================================================================================== Installing: drbd-pacemaker x86_64 8.3.11-5.fc17 updates-testing 22 k drbd-udev x86_64 8.3.11-5.fc17 updates-testing 6.4 k Installing for dependencies: drbd-utils x86_64 8.3.11-5.fc17 updates-testing 183 k Transaction Summary ====================================================================================== Install 2 Packages (+1 Dependent package) Total download size: 212 k Installed size: 473 k Downloading Packages: (1/3): drbd-pacemaker-8.3.11-5.fc17.x86_64.rpm | 22 kB 00:00 (2/3): drbd-udev-8.3.11-5.fc17.x86_64.rpm | 6.4 kB 00:00 (3/3): drbd-utils-8.3.11-5.fc17.x86_64.rpm | 183 kB 00:00 -------------------------------------------------------------------------------------- Total 293 kB/s | 212 kB 00:00 Running Transaction Check Running Transaction Test Transaction Test Succeeded Running Transaction Installing : drbd-utils-8.3.11-5.fc17.x86_64 1/3 Installing : drbd-pacemaker-8.3.11-5.fc17.x86_64 2/3 Installing : drbd-udev-8.3.11-5.fc17.x86_64 3/3 Verifying : drbd-pacemaker-8.3.11-5.fc17.x86_64 1/3 Verifying : drbd-udev-8.3.11-5.fc17.x86_64 2/3 Verifying : drbd-utils-8.3.11-5.fc17.x86_64 3/3 Installed: drbd-pacemaker.x86_64 0:8.3.11-5.fc17 drbd-udev.x86_64 0:8.3.11-5.fc17 Dependency Installed: drbd-utils.x86_64 0:8.3.11-5.fc17 Complete! ..... == Configure DRBD == Before we configure DRBD, we need to set aside some disk for it to use. === Create A Partition for DRBD === If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata. [source,C] ---- # vgdisplay | grep -e Name -e Free VG Name vg_pcmk1 Free PE / Size 31 / 992.00 MiB # lvs LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert lv_root vg_pcmk1 -wi-ao-- 8.56g lv_swap vg_pcmk1 -wi-ao-- 960.00m # lvcreate -n drbd-demo -L 1G vg_pcmk1 Logical volume "drbd-demo" created # lvs LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert drbd-demo vg_pcmk1 -wi-a--- 1.00G lv_root vg_pcmk1 -wi-ao-- 8.56g lv_swap vg_pcmk1 -wi-ao-- 960.00m ---- Repeat this on the second node, be sure to use the same size partition. [source,C] ---- # ssh pcmk-2 -- lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert lv_root vg_pcmk1 -wi-ao-- 8.56g lv_swap vg_pcmk1 -wi-ao-- 960.00m # ssh pcmk-2 -- lvcreate -n drbd-demo -L 1G vg_pcmk1 Logical volume "drbd-demo" created # ssh pcmk-2 -- lvs LV VG Attr LSize Origin Snap% Move Log Copy% Convert drbd-demo vg_pcmk1 -wi-a--- 1.00G lv_root vg_pcmk1 -wi-ao-- 8.56g lv_swap vg_pcmk1 -wi-ao-- 960.00m ---- === Write the DRBD Config === There is no series of commands for building a DRBD configuration, so simply copy the configuration below to /etc/drbd.conf Detailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.html [WARNING] ========= Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide. ========= .... global { usage-count yes; } common { protocol C; } resource wwwdata { meta-disk internal; device /dev/drbd1; syncer { verify-alg sha1; } net { allow-two-primaries; } on pcmk-1 { disk /dev/vg_pcmk1/drbd-demo; address 192.168.122.101:7789; } on pcmk-2 { disk /dev/vg_pcmk1/drbd-demo; address 192.168.122.102:7789; } } .... [NOTE] ======= TODO: Explain the reason for the allow-two-primaries option ======= === Initialize and Load DRBD === With the configuration in place, we can now perform the DRBD initialization [source,C] ---- # drbdadm create-md wwwdata Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success ---- Now load the DRBD kernel module and confirm that everything is sane [source,C] ---- # modprobe drbd # drbdadm up wwwdata # cat /proc/drbd version: 8.3.11 (api:88/proto:86-96) srcversion: 0D2B62DEDB020A425130935 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----- ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740 ---- Repeat on the second node [source,C] ---- # ssh pcmk-2 -- drbdadm --force create-md wwwdata Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success # ssh pcmk-2 -- modprobe drbd WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/. # ssh pcmk-2 -- drbdadm up wwwdata # ssh pcmk-2 -- cat /proc/drbd version: 8.3.11 (api:88/proto:86-96) srcversion: 0D2B62DEDB020A425130935 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----- ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740 ---- Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1: [source,C] ---- # drbdadm -- --overwrite-data-of-peer primary wwwdata # cat /proc/drbd version: 8.3.11 (api:88/proto:86-96) srcversion: 0D2B62DEDB020A425130935 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----- ns:8064 nr:0 dw:0 dr:8728 al:0 bm:0 lo:0 pe:1 ua:0 ap:0 ep:1 wo:f oos:1007804 [>....................] sync'ed: 0.9% (1007804/1015740)K finish: 0:12:35 speed: 1,320 (1,320) K/sec ---- After a while, the sync should finish and you'll see: [source,C] ---- # cat /proc/drbd version: 8.3.11 (api:88/proto:86-96) srcversion: 0D2B62DEDB020A425130935 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----- ns:1015740 nr:0 dw:0 dr:1016404 al:0 bm:62 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0 ---- pcmk-1 is now in the Primary state which allows it to be written to. Which means it's a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource. === Populate DRBD with Data === [source,C] ---- # mkfs.ext4 /dev/drbd1 mke2fs 1.42 (29-Nov-2011) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=0 blocks, Stripe width=0 blocks 63488 inodes, 253935 blocks 12696 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=260046848 8 block groups 32768 blocks per group, 32768 fragments per group 7936 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376 Allocating group tables: done Writing inode tables: done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: done ---- Now mount the newly created filesystem so we can create our index file [source,C] ---- # mount /dev/drbd1 /mnt/ # cat <<-END >/mnt/index.html My Test Site - drbd END # umount /dev/drbd1 ---- == Configure the Cluster for DRBD == ifdef::pcs[] One handy feature pcs has is the ability to queue up several changes into a file and commit those changes atomically. To do this, start by populating the file with the current raw xml config from the cib. This can be done using the following command. [source,C] ---- # pcs cluster cib drbd_cfg ---- Now using the pcs -f option, make changes to the configuration saved in the drbd_cfg file. These changes will not be seen by the cluster until the drbd_cfg file is pushed into the live cluster's cib later on. //// source,C doesn't do well with \'s //// ---- # pcs -f drbd_cfg resource create WebData ocf:linbit:drbd \ drbd_resource=wwwdata op monitor interval=60s # pcs -f drbd_cfg resource master WebDataClone WebData \ master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \ notify=true ---- [source,C] ---- # pcs -f drbd_cfg resource show ClusterIP (ocf::heartbeat:IPaddr2) Started WebSite (ocf::heartbeat:apache) Started Master/Slave Set: WebDataClone [WebData] Stopped: [ WebData:0 WebData:1 ] ---- After you are satisfied with all the changes, you can commit all the changes at once by pushing the drbd_cfg file into the live cib. [source,C] ---- # pcs cluster push cib drbd_cfg CIB updated # pcs status Last updated: Fri Sep 14 12:19:49 2012 Last change: Fri Sep 14 12:19:13 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 4 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] ---- endif::[] ifdef::crmsh[] One handy feature of the crm shell is that you can use it in interactive mode to make several changes atomically. First we launch the shell. The prompt will change to indicate you're in interactive mode. [source,C] ---- # crm crm(live) # ---- Next we must create a working copy of the current configuration. This is where all our changes will go. The cluster will not see any of them until we say it's ok. Notice again how the prompt changes, this time to indicate that we're no longer looking at the live cluster. [source,C] ---- cib crm(live) # cib new drbd INFO: drbd shadow CIB created crm(drbd) # ---- Now we can create our DRBD clone and display the revised configuration. [source,C] ---- crm(drbd) # configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \ op monitor interval=60s crm(drbd) # configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \ clone-max=2 clone-node-max=1 notify=true crm(drbd) # configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ---- Once we're happy with the changes, we can tell the cluster to start using them and use crm_mon to check everything is functioning. [source,C] ---- crm(drbd) # cib commit drbd INFO: commited 'drbd' shadow CIB to the cluster crm(drbd) # quit bye # crm_mon -1 ============ Last updated: Tue Apr 3 13:50:01 2012 Last change: Tue Apr 3 13:49:46 2012 via crm_shadow on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 4 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] ---- endif::[] [NOTE] ======= TODO: Include details on adding a second DRBD resource ======= Now that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem's definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted). ifdef::pcs[] We are going to take a shortcut when creating the resource this time though. Instead of explicitly saying we want the 'ocf:heartbeat:Filesystem' script, we are only going to ask for 'Filesystem'. We can do this because we know there is only one resource script named 'Filesystem' available to pacemaker, and that pcs is smart enough to fill in the 'ocf:heartbeat' portion for us correctly in the configuration. If there were multiple 'Filesystem' scripts from different ocf providers, we would need to specify the exact one we wanted to use. Once again we will queue up our changes to a file and then push the new configuration to the cluster as the final step. ---- # pcs cluster cib fs_cfg # pcs -f fs_cfg resource create WebFS Filesystem \ device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" \ fstype="ext4" ---- [source,C] ---- # pcs -f fs_cfg constraint colocation add WebFS WebDataClone INFINITY with-rsc-role=Master # pcs -f fs_cfg constraint order promote WebDataClone then start WebFS Adding WebDataClone WebFS (kind: Mandatory) (Options: first-action=promote then-action=start) ---- We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start. [source,C] ---- # pcs -f fs_cfg constraint colocation add WebSite WebFS INFINITY # pcs -f fs_cfg constraint order WebFS then WebSite ---- Now review the updated configuration. [source,C] ---- # pcs -f fs_cfg constraint Location Constraints: Ordering Constraints: start ClusterIP then start WebSite WebFS then WebSite promote WebDataClone then start WebFS Colocation Constraints: WebSite with ClusterIP WebFS with WebDataClone (with-rsc-role:Master) WebSite with WebFS # pcs -f fs_cfg resource show ClusterIP (ocf::heartbeat:IPaddr2) Started WebSite (ocf::heartbeat:apache) Started Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] WebFS (ocf::heartbeat:Filesystem) Stopped ---- endif::[] ifdef::crmsh[] Once again we'll use the shell's interactive mode [source,C] ---- # crm crm(live) # cib new fs INFO: fs shadow CIB created crm(fs) # configure primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" crm(fs) # configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(fs) # configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start ---- We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start. [source,C] ---- crm(fs) # configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(fs) # configure order WebSite-after-WebFS inf: WebFS WebSite ---- Time to review the updated configuration: [source,C] ---- crm(fs) # configure show node $id="1702537408" pcmk-1 node $id="1719314624" pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.120" cidr_netmask="32" \ op monitor interval="30s" primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \ dc-version="1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff" \ cluster-infrastructure="corosync" \ stonith-enabled="false" \ no-quorum-policy="ignore" \ last-lrm-refresh="1333446866" rsc_defaults $id="rsc-options" \ resource-stickiness="100" op_defaults $id="op-options" \ timeout="240s" ---- endif::[] After reviewing the new configuration, we again upload it and watch the cluster put it into effect. ifdef::pcs[] [source,C] ---- # pcs cluster push cib fs_cfg CIB updated # pcs status Last updated: Fri Aug 10 12:47:01 2012 Last change: Fri Aug 10 12:46:55 2012 via cibadmin on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 5 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 ---- endif::[] ifdef::crmsh[] [source,C] ---- crm(fs) # cib commit fs INFO: commited 'fs' shadow CIB to the cluster crm(fs) # quit bye # crm_mon -1 ============ Last updated: Tue Apr 3 13:52:21 2012 Last change: Tue Apr 3 13:52:06 2012 via crm_shadow on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 5 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-1 ] Slaves: [ pcmk-2 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 ---- endif::[] === Testing Migration === We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called "standby mode". Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources' packages. Put the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node's status will change to indicate that it can no longer host resources. ifdef::pcs[] [source,C] ---- # pcs cluster standby pcmk-1 # pcs status Last updated: Fri Sep 14 12:41:12 2012 Last change: Fri Sep 14 12:41:08 2012 via crm_attribute on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 5 Resources configured. Node pcmk-1 (1): standby Online: [ pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Stopped: [ WebData:1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm node standby # crm_mon -1 ============ Last updated: Tue Apr 3 13:59:14 2012 Last change: Tue Apr 3 13:52:36 2012 via crm_attribute on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 5 Resources configured. ============ Node pcmk-1 (1702537408): standby Online: [ pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Stopped: [ WebData:1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 ---- endif::[] Once we've done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again. ifdef::pcs[] [source,C] ---- # pcs cluster unstandby pcmk-1 # pcs status Last updated: Fri Sep 14 12:43:02 2012 Last change: Fri Sep 14 12:42:57 2012 via crm_attribute on pcmk-1 Stack: corosync Current DC: pcmk-1 (1) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 5 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm node online # crm_mon -1 ============ Last updated: Tue Apr 3 14:00:06 2012 Last change: Tue Apr 3 14:00:00 2012 via crm_attribute on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 5 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2 WebSite (ocf::heartbeat:apache): Started pcmk-2 Master/Slave Set: WebDataClone [WebData] Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-2 ---- endif::[] Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1. pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Stonith.txt000066400000000000000000000264521217637305600250350ustar00rootroot00000000000000= Configure STONITH = == What Is STONITH == STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access. Just because a node is unresponsive, this doesn't mean it isn't accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node. STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere. == What STONITH Device Should You Use == It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one. The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault. Likewise, any device that relies on the machine being active (such as SSH-based "devices" used during testing) are inappropriate. == Configuring STONITH == ifdef::pcs[] . Find the correct driver: +pcs stonith list+ . Find the parameters associated with the device: +pcs stonith describe + . Create a local config to make changes to +pcs cluster cib stonith_cfg+ . Create the fencing resource using +pcs -f stonith_cfg stonith create [stonith device options]+ . Set stonith-enable to true. +pcs -f stonith_cfg property set stonith-enabled=true+ endif::[] ifdef::crmsh[] . Find the correct driver: +stonith_admin --list-installed+ . Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run: +stonith_admin --metadata --agent type+ The output should be XML formatted text containing additional parameter descriptions. We will endevor to make the output more friendly in a later version. . Enter the shell crm Create an editable copy of the existing configuration +cib new stonith+ Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: +configure primitive ...+ endif::[] . If the device does not know how to fence nodes based on their uname, you may also need to set the special +pcmk_host_map+ parameter. See +man stonithd+ for details. . If the device does not support the list command, you may also need to set the special +pcmk_host_list+ and/or +pcmk_host_check+ parameters. See +man stonithd+ for details. . If the device does not expect the victim to be specified with the port parameter, you may also need to set the special +pcmk_host_argument+ parameter. See +man stonithd+ for details. ifdef::crmsh[] . Upload it into the CIB from the shell: +cib commit stonith+ endif::[] ifdef::pcs[] . Commit the new configuration. +pcs cluster push cib stonith_cfg+ endif::[] . Once the stonith resource is running, you can test it by executing: +stonith_admin --reboot nodename+. Although you might want to stop the cluster on that machine first. == Example == Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters .Obtaining a list of STONITH Parameters ifdef::pcs[] [source,C] ---- # pcs stonith describe fence_ipmilan Stonith options for: fence_ipmilan auth: IPMI Lan Auth type (md5, password, or none) ipaddr: IPMI Lan IP to talk to passwd: Password (if required) to control power on IPMI device passwd_script: Script to retrieve password (if required) lanplus: Use Lanplus login: Username/Login (if required) to control power on IPMI device action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata timeout: Timeout (sec) for IPMI operation cipher: Ciphersuite to use (same as ipmitool -C parameter) method: Method to fence (onoff or cycle) power_wait: Wait X seconds after on/off operation delay: Wait X seconds before fencing is started privlvl: Privilege level on IPMI device verbose: Verbose mode ---- endif::[] ifdef::crmsh[] [source,C] ---- # stonith_admin --metadata -a fence_ipmilan ---- [source,XML] ---- fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/). To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4) IPMI Lan Auth type (md5, password, or none) IPMI Lan IP to talk to Password (if required) to control power on IPMI device Script to retrieve password (if required) Use Lanplus Username/Login (if required) to control power on IPMI device Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata Timeout (sec) for IPMI operation Ciphersuite to use (same as ipmitool -C parameter) Method to fence (onoff or cycle) Wait X seconds after on/off operation Wait X seconds before fencing is started Verbose mode ---- endif::[] from which we would create a STONITH resource fragment that might look like this .Sample STONITH Resource ifdef::pcs[] ---- # pcs cluster cib stonith_cfg # pcs -f stonith_cfg stonith create impi-fencing fence_ipmilan \ pcmk_host_list="pcmk-1 pcmk-2" ipaddr=10.0.0.1 login=testuser \ passwd=acd123 op monitor interval=60s ---- [source,C] ---- # pcs -f stonith_cfg stonith impi-fencing (stonith:fence_ipmilan) Stopped ---- endif::[] ifdef::crmsh[] [source,C] ---- # crm crm(live)# cib new stonith INFO: stonith shadow CIB created crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \ params pcmk_host_list="pcmk-1 pcmk-2" ipaddr=10.0.0.1 login=testuser passwd=abc123 \ op monitor interval="60s" ---- endif::[] And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration. ifdef::pcs[] [source,C] ---- # pcs -f stonith_cfg property set stonith-enabled=true # pcs -f stonith_cfg property dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 cluster-infrastructure: corosync no-quorum-policy: ignore stonith-enabled: true ---- endif::[] Now push the configuration into the cluster. ifdef::pcs[] [source,C] ---- # pcs cluster push cib stonith_cfg ---- endif::[] ifdef::crmsh[] [source,C] ---- crm(stonith)# configure property stonith-enabled="true" crm(stonith)# configure shownode pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="gfs2" primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \ op monitor interval="30s"primitive ipmi-fencing stonith::fence_ipmilan \ params pcmk_host_list="pcmk-1 pcmk-2" ipaddr=10.0.0.1 login=testuser passwd=abc123 \ op monitor interval="60s"ms WebDataClone WebData \ meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebFSClone WebFS clone WebIP ClusterIP \ meta globally-unique="true" clone-max="2" clone-node-max="2" clone WebSiteClone WebSite colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone property $id="cib-bootstrap-options" \ dc-version="1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f" \ cluster-infrastructure="openais" \ expected-quorum-votes="2" \ stonith-enabled="true" \ no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" crm(stonith)# cib commit stonithINFO: commited 'stonith' shadow CIB to the cluster crm(stonith)# quit bye ---- endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Tools.txt000066400000000000000000000111471217637305600245000ustar00rootroot00000000000000= Pacemaker Tools = == Using Pacemaker Tools == In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster. All of that has been greatly simplified with the creation of unified command-line shells (and GUIs) that hide all the messy XML scaffolding. These shells take all the individual aspects required for managing and configuring a cluster, and packs them into one simple to use command line tool. They even allow you to queue up several changes at once and commit them atomically. There are currently two command-line shells that people use, `pcs` and `crmsh`. This edition of Clusters from Scratch is based on +{cli_name}+. Start by taking some time to familiarize yourself with what it can do. [NOTE] =========== The two shells share many concepts but the scope, layout and syntax does differ, so make sure you read the version of this guide that corresponds to the software installed on your system. =========== ifdef::pcs[] [IMPORTANT] =========== Since `pcs` has the ability to manage all aspects of the cluster (both corosync and pacemaker), it requires a specific cluster stack to be in use, (corosync 2.0 with votequorum + Pacemaker version >= 1.1.8). =========== [source,C] # pcs ..... Control and configure pacemaker and corosync. Options: -h Display usage and exit -f file Perform actions on file instead of active CIB Commands: resource Manage cluster resources cluster Configure cluster options and nodes stonith Configure fence devices property Set pacemaker properties constraint Set resource constraints status View cluster status ..... As you can see, the different aspects of cluster management are broken up into categories: resource, cluster, stonith, property, constraint, and status. To discover the functionality available in each of these categories, one can issue the command 'pcs help'. Below is an example of all the options available under the status category. [source,C] # pcs status help ..... Usage: pcs status [commands]... View current cluster and resource status Commands: status View all information about the cluster and resources status resources View current status of cluster resources status groups View currently configured groups and their resources status cluster View current cluster status status corosync View current corosync status status nodes [corosync] View current status of nodes from pacemaker, or if corosync is specified, print nodes currently configured in corosync status actions View failed actions status pcsd ... Show the current status of pcsd on the specified nodes status xml View xml version of status (output from crm_mon -r -1 -X) ..... Additionally, if you are interested in the Pacemaker version and supported cluster stack(s) available with your current Pacemaker installation, the pacemakerd --features option is available to you. [source,C] # pacemakerd --features ------------------ sys::[pacemakerd --features] ------------------ [NOTE] ====== If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details. ====== endif::[] ifdef::crmsh[] pass:[# crm --help] The primary tool for monitoring the status of the cluster is crm_mon (also available as crm status). It can be run in a variety of modes and has a number of output options. To find out about any of the tools that come with Pacemaker, simply invoke them with the --help option or consult the included man pages. Both sets of output are created from the tool, and so will always be in sync with each other and the tool itself. Additionally, the Pacemaker version and supported cluster stack(s) are available via the --feature option to pacemakerd. [source,C] # pacemakerd --features ------------------ sys::[pacemakerd --features] ------------------ [source,C] # crm_mon --help ------------------ sys::[crm_mon --help] ------------------ [NOTE] ====== If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details. ====== endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Ch-Verification.txt000066400000000000000000000173241217637305600260250ustar00rootroot00000000000000= Verify Cluster Installation = ifdef::pcs[] == Start the Cluster == Now that corosync is configured, it is time to start the cluster. The command below will start corosync and pacemaker on both nodes in the cluster. If you are issuing the start command from a different node than the one you ran the 'pcs cluster auth' command on earlier, you must authenticate on current node you are logged into before you will be allowed to start the cluster. [source,C] ---- # pcs cluster start --all pcmk-1: Starting Cluster... pcmk-2: Starting Cluster... ---- An alternative to using the 'pcs cluster startall' command is to issue either of the below commands on each node in the cluster by hand. [source,C] ---- # pcs cluster start Starting Cluster... ---- or [source,C] ---- # systemctl start corosync.service # systemctl start pacemaker.service ---- endif::[] == Verify Corosync Installation == ifdef::crmsh[] Start Corosync on the first node [source,C] ---- # systemctl start corosync.service ---- endif::[] The first thing to check is if cluster communication is happy, for that we use `corosync-cfgtool`. ifdef::crmsh[] [source,C] ---- # corosync-cfgtool -s Printing ring status. Local node ID 1702537408 RING ID 0 id = 192.168.122.101 status = ring 0 active with no faults ---- endif::[] ifdef::pcs[] [source,C] ---- # corosync-cfgtool -s Printing ring status. Local node ID 1 RING ID 0 id = 192.168.122.101 status = ring 0 active with no faults ---- endif::[] We can see here that everything appears normal with our fixed IP address, not a 127.0.0.x loopback address, listed as the +id+ and +no faults+ for the status. If you see something different, you might want to start by checking the node's network, firewall and selinux configurations. Next we check the membership and quorum APIs: ifdef::pcs[] [source,C] ---- # corosync-cmapctl | grep members runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.122.101) runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1 runtime.totem.pg.mrp.srp.members.1.status (str) = joined runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.122.102) runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1 runtime.totem.pg.mrp.srp.members.2.status (str) = joined # pcs status corosync Membership information -------------------------- Nodeid Votes Name 1 1 pcmk-1 2 1 pcmk-2 ---- You should see both nodes have joined the cluster. endif::[] ifdef::crmsh[] [source,C] ---- # corosync-cmapctl | grep members runtime.totem.pg.mrp.srp.members.1702537408.ip (str) = r(0) ip(192.168.122.101) runtime.totem.pg.mrp.srp.members.1702537408.join_count (u32) = 1 runtime.totem.pg.mrp.srp.members.1702537408.status (str) = joined # corosync-quorumtool -l Membership information -------------------------- Nodeid Votes Name 1702537408 1 pcmk-1 ---- The node see's itself in both locations which is a good sign. If the node list is empty when you call `corosync-quorumtool`, then you've not correctly quorum in 'corosync.conf'. With everything looking healthy, we start Corosync on the second node and run the same communications check. [source,C] ---- # ssh pcmk-2 -- systemctl start corosync.service # ssh pcmk-2 -- corosync-cfgtool -s Printing ring status. Local node ID 1719314624 RING ID 0 id = 192.168.122.102 status = ring 0 active with no faults ---- Everything appears to look ok from +pcmk-2+, time to re-run the membership and quorum checks to see if it shows up there too. Again, if you see something different to the above, check for the usual suspects: network, firewall and selinux. [source,C] ---- # corosync-cmapctl | grep members runtime.totem.pg.mrp.srp.members.1702537408.ip (str) = r(0) ip(192.168.122.101) runtime.totem.pg.mrp.srp.members.1702537408.join_count (u32) = 1 runtime.totem.pg.mrp.srp.members.1702537408.status (str) = joined runtime.totem.pg.mrp.srp.members.1719314624.ip (str) = r(0) ip(192.168.122.102) runtime.totem.pg.mrp.srp.members.1719314624.join_count (u32) = 1 runtime.totem.pg.mrp.srp.members.1719314624.status (str) = joined # corosync-quorumtool -l Membership information -------------------------- Nodeid Votes Name 1702537408 1 pcmk-1 1719314624 1 pcmk-2 ---- endif::[] All good! == Verify Pacemaker Installation == ifdef::pcs[] Now that we have confirmed that Corosync is functional we can check the rest of the stack. Pacemaker has already been started, so verify the necessary processes are running. [source,C] ---- # ps axf PID TTY STAT TIME COMMAND 2 ? S 0:00 [kthreadd] ...lots of processes... 28019 ? Ssl 0:03 /usr/sbin/corosync 28047 ? Ss 0:00 /usr/sbin/pacemakerd -f 28048 ? Ss 0:00 \_ /usr/libexec/pacemaker/cib 28049 ? Ss 0:00 \_ /usr/libexec/pacemaker/stonithd 28050 ? Ss 0:00 \_ /usr/lib64/heartbeat/lrmd 28051 ? Ss 0:00 \_ /usr/libexec/pacemaker/attrd 28052 ? Ss 0:00 \_ /usr/libexec/pacemaker/pengine 28053 ? Ss 0:00 \_ /usr/libexec/pacemaker/crmd ---- If that looks ok, check the pcs status output. [source,C] ---- # pcs status Last updated: Fri Sep 14 09:52:25 2012 Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2 Stack: corosync Current DC: pcmk-2 (2) - partition with quorum Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0 2 Nodes configured, unknown expected votes 0 Resources configured. Online: [ pcmk-1 pcmk-2 ] Full list of resources: ---- Next, check for any ERRORs during startup - there shouldn't be any. [source,C] ---- # grep -i error /var/log/messages ---- Repeat these checks on the other node. The results should be the same. endif::[] ifdef::crmsh[] Now that we have confirmed that Corosync is functional we can check the rest of the stack. Start Pacemaker and check the necessary processes have been started. [source,C] ---- # systemctl start pacemaker.service # ps axf PID TTY STAT TIME COMMAND 2 ? S 0:00 [kthreadd] ...lots of processes... 28019 ? Ssl 0:03 /usr/sbin/corosync 28047 ? Ss 0:00 /usr/sbin/pacemakerd -f 28048 ? Ss 0:00 \_ /usr/libexec/pacemaker/cib 28049 ? Ss 0:00 \_ /usr/libexec/pacemaker/stonithd 28050 ? Ss 0:00 \_ /usr/lib64/heartbeat/lrmd 28051 ? Ss 0:00 \_ /usr/libexec/pacemaker/attrd 28052 ? Ss 0:00 \_ /usr/libexec/pacemaker/pengine 28053 ? Ss 0:00 \_ /usr/libexec/pacemaker/crmd ---- If that looks ok, check the logs and crm_mon. [source,C] ---- # grep pacemakerd /var/log/messages | grep -e get_cluster_type -e read_config Apr 3 09:19:32 pcmk-1 pacemakerd[28047]: info: get_cluster_type: Detected an active 'corosync' cluster Apr 3 09:19:32 pcmk-1 pacemakerd[28047]: info: read_config: Reading configure for stack: corosync # crm_mon -1 ============ Last updated: Tue Apr 3 09:21:37 2012 Last change: Tue Apr 3 09:19:54 2012 via crmd on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 1 Nodes configured, unknown expected votes 0 Resources configured. ============ Online: [ pcmk-1 ] ---- Next, check for any ERRORs during startup - there shouldn't be any. [source,C] ---- # grep -i error /var/log/messages ---- Repeat on the other node and display the cluster's status. [source,C] ---- # ssh pcmk-2 -- systemctl start pacemaker.service # crm_mon -1 ============ Last updated: Tue Apr 3 09:26:23 2012 Last change: Tue Apr 3 09:26:21 2012 via crmd on pcmk-1 Stack: corosync Current DC: pcmk-1 (1702537408) - partition with quorum Version: 1.1.7-2.fc17-ee0730e13d124c3d58f00016c3376a1de5323cff 2 Nodes configured, unknown expected votes 0 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ---- endif::[] pacemaker-master/doc/Clusters_from_Scratch/en-US/Clusters_from_Scratch.ent000066400000000000000000000002671217637305600273160ustar00rootroot00000000000000 pacemaker-master/doc/Clusters_from_Scratch/en-US/Clusters_from_Scratch.xml000066400000000000000000000027571217637305600273360ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> pacemaker-master/doc/Clusters_from_Scratch/en-US/Preface.xml000066400000000000000000000012501217637305600243700ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> Preface pacemaker-master/doc/Clusters_from_Scratch/en-US/Revision_History.xml000066400000000000000000000050451217637305600263500ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> Revision History 1-0 Mon May 17 2010 AndrewBeekhofandrew@beekhof.net Import from Pages.app 2-0 Wed Sep 22 2010 RaoulScarazzinirasca@miamammausalinux.org Italian translation 3-0 Wed Feb 9 2011 AndrewBeekhofandrew@beekhof.net Updated for Fedora 13 4-0 Wed Oct 5 2011 AndrewBeekhofandrew@beekhof.net Update the GFS2 section to use CMAN 5-0 Fri Feb 10 2012 AndrewBeekhofandrew@beekhof.net Generate docbook content from asciidoc sources 6-0 Tues July 3 2012 AndrewBeekhofandrew@beekhof.net Updated for Fedora 17 7-0 Fri Sept 14 2012 DavidVosseldvossel@redhat.com Updated for pcs pacemaker-master/doc/Clusters_from_Scratch/en-US/images/000077500000000000000000000000001217637305600235505ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/en-US/images/Console.png000066400000000000000000000235111217637305600256620ustar00rootroot00000000000000PNG  IHDRz' iCCPICC ProfileHPSǿ{-! kATBB(! \ ""`CW@\ĂmPĂ.Ȣ*ޛ杙37g}3 %2 Ea8n phYB@.fMfￆ, E8NG4l(5R^-i"d@g֡8l'":dKhF l.Y6NOϘa!7D&œ^fV#=M<3e9 gaG<_h*6A;Бh6:]C/oG Fcq011f%S9i\ `0X,ac)-ؽ&l';p8#3.ep{ppq1'< |ߏ"tpAE#LezDgb1XAl$^&ߑH$Mi O'UNFHrdC'9,&o%ג;(.ōGɦlS.RS>IQLRRUR-RR :˥˥OIߒ~%CѕaɬiZȆȦn=*{MNNW[#W(wH(EբzRԍ1GcRh%ڄ|||Ya:Kg'w_.r_]yQE M  _ފ;[) (TڧtY2MI\|R bZMIU5U_UՋjnj)jejթ.|2/ wFq1!8ѣ1Y٤HeUե5FAA^'YgNG]=hMzyz zC}WL;X{Taa-#ֈoרc`,014!4MM L[M_iř06nncf~EE[KCKe+z67F\}l6A6llيlmi[:`<;qhx/'TN-.>xYә|y؅reUÕZMˍv홻{1"fk=;P^^^=rޑޕޏ}4}x> >6};0~~;L69oR9 <2Ia(#4,n !̐!BB3C]]j05aG?DxDlx)슒]=c6FR,?-w$nr]Km.[riϮ^Zq*p4++UÚLd&V'N=ٻ/9n28י[}TOvM.O~WߤOZ:֔OOHo R22r3F"pc QH,-b}O+Vʕ\ejgy>y?FfZfÚk%ZpXo~ P0pDE6#ǞVl^)^b^R^u {,~izk֞mmnluG]li^Π-eVVn]7qxpE`E=|LjV\q/go>}UrA߃-55凰r==ug()9VP;\Vwޮm paX^M6ћJN/~Iɀ]O59]Lm.nZVL&Ŷwu8u4jk3Ugn;Gac'Ou?wljW׊o:|NDY+BNJm-X;@Ys>x6lu 2@ģCRa2kn?#+rN89̧w:&;=02}:3L`?3)Yh pHYs  _IDATxm.PF1=D(x}HJ]60O"i~&Hn#L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L&L Y}x.)cmݟiҫ4?Z{R+ޖ2-S =ӑup}LfEx<||އ #Þm韞F{egW9zmW9gc֌E|1˅m.. ]}MFB6,):Lq\mX^me[早kmȐH9zjmnLMᘽRYY^|=B;)X>qem]#ZG\E_kL=UWͥ5ZOzmӌyvٳD+~tgmx7zcc#!{ X/(1m^!{먺/jwxd֫G_M#wf\ fr33^m<:g^'Ln]aށ8k˶ڳ]ޱMgGcGbK<^#]W{ x)?8oFa/a&>9 Z30Rhtpmi@9>sf,&X[62V9-iuϔhu'Wf&9:MvZˬN:3B#<޳F0 @a yw(;4?oD0>arpGR({b<҈/~34a L&H/$i$a\%L"P$Ls&zϛ|=Cryqɳy$kw7k14a4a4a4a4G<j;Y{$Ȟ>(WȾMK|>Ow"uLQYu{ڲu,sk޽OycߥƙLpgrPwB`֫-G+:z2ޞx,_y?a2ͭ}/j<"dGJ}Tݬ(ۺm.ql-;r=(vwZ+2+qެ_xF2O9y>0y-D/jrA~EZdG33ںr=ZϽgjKq::N܅ xel9e"ֆږ5|)kmٳ̴ֶ)-JE'ש-ݟ#dڵ֭Dy&˥vl- LFjst뼺w>SZ~LTo4( 0(uO`?`t€\DfHxܙyg:a4\H&H&H&H&H&H&H&H&H&H&H&H&H&H&H&H&H&H|>iwxeguO̓G+ʹz|>7<0כ[V:*Y~ir)8;6YĖwjw^w6k?ܖ^sgz%\0/[3 k @0!"-dz&}iyw#ȩk3Ffi].7uZy[uf$=I s M M M M ϻop_1)cOY)rz?:y>Ge}ԾSr6kyϞvdʹʹp4Mʩ[jW`b)rz?=E_Fk˲]L;?/,9M̶ Ѓ00z](*trЫ^$G;ھQ*>Us֝Ҳt|u(0upoe柫 9,s[=g]κ6ӵaK]k}OߦzJ,|i~~\D^{ֿkEދ7 tt9jedWYg[=Huhwdz=rV]ـp~vԺ}6w2#pg¢9 /mR^Y#/2eז= \Kg#֥6.KƙiKw&6H(}fx|Q|$)էmjwk~ ߜ#٦ x7Џ {Mxa&ÜXW)=CeyH{|~m٣go{m]1xq:M-L3^zLlku͗RY{'hmOk˞-m?bbo\ߵ-֖ۻщ`m>xo/^&y}vOߦZ-[D2@.O|L4q1EAئ?LzSQ!w$Lf6W҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄I҄IG2wD"QWs6=۫5?/n퇽o=Ymy1;鲿KE3χu K˞ٮz!?=/ЫrF&X!rg.>]Y>י͕Sx\3ҹko;|ar0/D[1.}6vZYwjuϼ/+-zx1#zUZ\F"lӵ6GȰZy2R-{zz=N[rl|MFKqkԬ]G]-ms"6DCt"bk-mn-ߞ0Lm6Gˉ[e8Qz:߳{-m/w&oEZp\yڪv ]]0r{4ko[ WtzEvs3Gd/btC=;emt6D8Jui}; '3+4]q 3? 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#I?gXifҠАhCk;7a$Pz(vlɫW<==–K ԬY" O?>^ 4dYM6EEE.d7rejժeii9|LaƎU޳gرcُ+0 J(hUؒ3&&&ݻwvvvsa׬YsK.z*z3gt}Æ &L(ʕ+o޼O*ٵaÆ7n\|˗2l…#GB>ĶJ;K2FI pە+WrT*!ܽ{-ϟߴiS<44СU!+W` !7^c\ͲC&JZnվ} /Z+$ܹСve˖oaeE 9"ѣǮ_F/ksEJM34Mk v#55uSN;s4!$""b޼񎎎cذaύ7lxIc{7o^NZ cc?4jԈr AVX|2 .28]PxX@+Źmss)Sܻw}7~$2=sl{\Ζۿ}6?Ν;~DPP&9i`mO ?%-IXoܸ@4RJÔM äˬ,cJFFF~{ڻ(8l)` M]{FbzPԤ4[bjK1֏r IaP51\zidSt7nxh!z6_ewfiisss{{ʕO=x;w^ f&7gf׫TrX}k_NNNV*8{{{_>Iܐ-@@(nꦑdz?zzzn}7_le|>q~޽_+wFFޫT*˗a(*?ݿ?6>&q0ۻ(=}ݍ-bh$JtGѣ_G~5 \.7xBp14ᅲ|WUۋRp5 G |<zv145)@(" )@(" )-7 s=R IENDB`pacemaker-master/doc/Clusters_from_Scratch/en-US/images/Policy-Engine-big.dot000066400000000000000000000145311217637305600274650ustar00rootroot00000000000000digraph "g" { "Cancel drbd0:0_monitor_10000 frigg" -> "drbd0:0_demote_0 frigg" [ style = bold] "Cancel drbd0:0_monitor_10000 frigg" [ style=bold color="green" fontcolor="black" ] "Cancel drbd0:1_monitor_12000 odin" -> "drbd0:1_promote_0 odin" [ style = bold] "Cancel drbd0:1_monitor_12000 odin" [ style=bold color="green" fontcolor="black" ] "IPaddr0_monitor_5000 odin" [ style=bold color="green" fontcolor="black" ] "IPaddr0_start_0 odin" -> "IPaddr0_monitor_5000 odin" [ style = bold] "IPaddr0_start_0 odin" -> "MailTo_start_0 odin" [ style = bold] "IPaddr0_start_0 odin" -> "group_running_0" [ style = bold] "IPaddr0_start_0 odin" [ style=bold color="green" fontcolor="black" ] "MailTo_start_0 odin" -> "group_running_0" [ style = bold] "MailTo_start_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:0_demote_0 frigg" -> "drbd0:0_monitor_12000 frigg" [ style = bold] "drbd0:0_demote_0 frigg" -> "ms_drbd_demoted_0" [ style = bold] "drbd0:0_demote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_monitor_12000 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_post_notify_demote_0 frigg" -> "ms_drbd_confirmed-post_notify_demoted_0" [ style = bold] "drbd0:0_post_notify_demote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_post_notify_promote_0 frigg" -> "ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "drbd0:0_post_notify_promote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_pre_notify_demote_0 frigg" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "drbd0:0_pre_notify_demote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_pre_notify_promote_0 frigg" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "drbd0:0_pre_notify_promote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:1_monitor_10000 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_post_notify_demote_0 odin" -> "ms_drbd_confirmed-post_notify_demoted_0" [ style = bold] "drbd0:1_post_notify_demote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_post_notify_promote_0 odin" -> "ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "drbd0:1_post_notify_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_pre_notify_demote_0 odin" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "drbd0:1_pre_notify_demote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_pre_notify_promote_0 odin" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "drbd0:1_pre_notify_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_promote_0 odin" -> "drbd0:1_monitor_10000 odin" [ style = bold] "drbd0:1_promote_0 odin" -> "ms_drbd_promoted_0" [ style = bold] "drbd0:1_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "group_running_0" [ style=bold color="green" fontcolor="orange" ] "group_start_0" -> "IPaddr0_start_0 odin" [ style = bold] "group_start_0" -> "MailTo_start_0 odin" [ style = bold] "group_start_0" -> "group_running_0" [ style = bold] "group_start_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-post_notify_demoted_0" -> "drbd0:0_monitor_12000 frigg" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" -> "drbd0:1_monitor_10000 odin" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" -> "ms_drbd_pre_notify_promote_0" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-post_notify_promoted_0" -> "drbd0:0_monitor_12000 frigg" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" -> "drbd0:1_monitor_10000 odin" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" -> "group_start_0" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-pre_notify_demote_0" -> "ms_drbd_demote_0" [ style = bold] "ms_drbd_confirmed-pre_notify_demote_0" -> "ms_drbd_post_notify_demoted_0" [ style = bold] "ms_drbd_confirmed-pre_notify_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-pre_notify_promote_0" -> "ms_drbd_post_notify_promoted_0" [ style = bold] "ms_drbd_confirmed-pre_notify_promote_0" -> "ms_drbd_promote_0" [ style = bold] "ms_drbd_confirmed-pre_notify_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_demote_0" -> "drbd0:0_demote_0 frigg" [ style = bold] "ms_drbd_demote_0" -> "ms_drbd_demoted_0" [ style = bold] "ms_drbd_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_demoted_0" -> "ms_drbd_post_notify_demoted_0" [ style = bold] "ms_drbd_demoted_0" -> "ms_drbd_promote_0" [ style = bold] "ms_drbd_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_post_notify_demoted_0" -> "drbd0:0_post_notify_demote_0 frigg" [ style = bold] "ms_drbd_post_notify_demoted_0" -> "drbd0:1_post_notify_demote_0 odin" [ style = bold] "ms_drbd_post_notify_demoted_0" -> "ms_drbd_confirmed-post_notify_demoted_0" [ style = bold] "ms_drbd_post_notify_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_post_notify_promoted_0" -> "drbd0:0_post_notify_promote_0 frigg" [ style = bold] "ms_drbd_post_notify_promoted_0" -> "drbd0:1_post_notify_promote_0 odin" [ style = bold] "ms_drbd_post_notify_promoted_0" -> "ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "ms_drbd_post_notify_promoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_pre_notify_demote_0" -> "drbd0:0_pre_notify_demote_0 frigg" [ style = bold] "ms_drbd_pre_notify_demote_0" -> "drbd0:1_pre_notify_demote_0 odin" [ style = bold] "ms_drbd_pre_notify_demote_0" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "ms_drbd_pre_notify_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_pre_notify_promote_0" -> "drbd0:0_pre_notify_promote_0 frigg" [ style = bold] "ms_drbd_pre_notify_promote_0" -> "drbd0:1_pre_notify_promote_0 odin" [ style = bold] "ms_drbd_pre_notify_promote_0" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "ms_drbd_pre_notify_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_promote_0" -> "drbd0:1_promote_0 odin" [ style = bold] "ms_drbd_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_promoted_0" -> "group_start_0" [ style = bold] "ms_drbd_promoted_0" -> "ms_drbd_post_notify_promoted_0" [ style = bold] "ms_drbd_promoted_0" [ style=bold color="green" fontcolor="orange" ] } pacemaker-master/doc/Clusters_from_Scratch/en-US/images/Policy-Engine-big.svg000066400000000000000000001011371217637305600274750ustar00rootroot00000000000000 g Cancel drbd0:0_monitor_10000 frigg Cancel drbd0:0_monitor_10000 frigg drbd0:0_demote_0 frigg drbd0:0_demote_0 frigg Cancel drbd0:0_monitor_10000 frigg->drbd0:0_demote_0 frigg drbd0:0_monitor_12000 frigg drbd0:0_monitor_12000 frigg drbd0:0_demote_0 frigg->drbd0:0_monitor_12000 frigg ms_drbd_demoted_0 ms_drbd_demoted_0 drbd0:0_demote_0 frigg->ms_drbd_demoted_0 Cancel drbd0:1_monitor_12000 odin Cancel drbd0:1_monitor_12000 odin drbd0:1_promote_0 odin drbd0:1_promote_0 odin Cancel drbd0:1_monitor_12000 odin->drbd0:1_promote_0 odin drbd0:1_monitor_10000 odin drbd0:1_monitor_10000 odin drbd0:1_promote_0 odin->drbd0:1_monitor_10000 odin ms_drbd_promoted_0 ms_drbd_promoted_0 drbd0:1_promote_0 odin->ms_drbd_promoted_0 IPaddr0_monitor_5000 odin IPaddr0_monitor_5000 odin IPaddr0_start_0 odin IPaddr0_start_0 odin IPaddr0_start_0 odin->IPaddr0_monitor_5000 odin MailTo_start_0 odin MailTo_start_0 odin IPaddr0_start_0 odin->MailTo_start_0 odin group_running_0 group_running_0 IPaddr0_start_0 odin->group_running_0 MailTo_start_0 odin->group_running_0 ms_drbd_post_notify_demoted_0 ms_drbd_post_notify_demoted_0 ms_drbd_demoted_0->ms_drbd_post_notify_demoted_0 ms_drbd_promote_0 ms_drbd_promote_0 ms_drbd_demoted_0->ms_drbd_promote_0 drbd0:0_post_notify_demote_0 frigg drbd0:0_post_notify_demote_0 frigg ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_confirmed-post_notify_demoted_0 drbd0:0_post_notify_demote_0 frigg->ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_confirmed-post_notify_demoted_0->drbd0:0_monitor_12000 frigg ms_drbd_confirmed-post_notify_demoted_0->drbd0:1_monitor_10000 odin ms_drbd_pre_notify_promote_0 ms_drbd_pre_notify_promote_0 ms_drbd_confirmed-post_notify_demoted_0->ms_drbd_pre_notify_promote_0 drbd0:0_post_notify_promote_0 frigg drbd0:0_post_notify_promote_0 frigg ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_confirmed-post_notify_promoted_0 drbd0:0_post_notify_promote_0 frigg->ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_confirmed-post_notify_promoted_0->drbd0:0_monitor_12000 frigg ms_drbd_confirmed-post_notify_promoted_0->drbd0:1_monitor_10000 odin group_start_0 group_start_0 ms_drbd_confirmed-post_notify_promoted_0->group_start_0 drbd0:0_pre_notify_demote_0 frigg drbd0:0_pre_notify_demote_0 frigg ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_confirmed-pre_notify_demote_0 drbd0:0_pre_notify_demote_0 frigg->ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_demote_0 ms_drbd_demote_0 ms_drbd_confirmed-pre_notify_demote_0->ms_drbd_demote_0 ms_drbd_confirmed-pre_notify_demote_0->ms_drbd_post_notify_demoted_0 drbd0:0_pre_notify_promote_0 frigg drbd0:0_pre_notify_promote_0 frigg ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_confirmed-pre_notify_promote_0 drbd0:0_pre_notify_promote_0 frigg->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_post_notify_promoted_0 ms_drbd_post_notify_promoted_0 ms_drbd_confirmed-pre_notify_promote_0->ms_drbd_post_notify_promoted_0 ms_drbd_confirmed-pre_notify_promote_0->ms_drbd_promote_0 drbd0:1_post_notify_demote_0 odin drbd0:1_post_notify_demote_0 odin drbd0:1_post_notify_demote_0 odin->ms_drbd_confirmed-post_notify_demoted_0 drbd0:1_post_notify_promote_0 odin drbd0:1_post_notify_promote_0 odin drbd0:1_post_notify_promote_0 odin->ms_drbd_confirmed-post_notify_promoted_0 drbd0:1_pre_notify_demote_0 odin drbd0:1_pre_notify_demote_0 odin drbd0:1_pre_notify_demote_0 odin->ms_drbd_confirmed-pre_notify_demote_0 drbd0:1_pre_notify_promote_0 odin drbd0:1_pre_notify_promote_0 odin drbd0:1_pre_notify_promote_0 odin->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_promoted_0->group_start_0 ms_drbd_promoted_0->ms_drbd_post_notify_promoted_0 group_start_0->IPaddr0_start_0 odin group_start_0->MailTo_start_0 odin group_start_0->group_running_0 ms_drbd_pre_notify_promote_0->drbd0:0_pre_notify_promote_0 frigg ms_drbd_pre_notify_promote_0->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_pre_notify_promote_0->drbd0:1_pre_notify_promote_0 odin ms_drbd_demote_0->drbd0:0_demote_0 frigg ms_drbd_demote_0->ms_drbd_demoted_0 ms_drbd_post_notify_demoted_0->drbd0:0_post_notify_demote_0 frigg ms_drbd_post_notify_demoted_0->ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_post_notify_demoted_0->drbd0:1_post_notify_demote_0 odin ms_drbd_post_notify_promoted_0->drbd0:0_post_notify_promote_0 frigg ms_drbd_post_notify_promoted_0->ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_post_notify_promoted_0->drbd0:1_post_notify_promote_0 odin ms_drbd_promote_0->drbd0:1_promote_0 odin ms_drbd_pre_notify_demote_0 ms_drbd_pre_notify_demote_0 ms_drbd_pre_notify_demote_0->drbd0:0_pre_notify_demote_0 frigg ms_drbd_pre_notify_demote_0->ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_pre_notify_demote_0->drbd0:1_pre_notify_demote_0 odin pacemaker-master/doc/Clusters_from_Scratch/en-US/images/Policy-Engine-small.dot000066400000000000000000000030701217637305600300300ustar00rootroot00000000000000 digraph "g" { "rsc1_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc1_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc1_stop_0 pcmk-1" [ style=dashed color="red" fontcolor="black" ] "rsc1_start_0 pcmk-2" [ style=dashed color="red" fontcolor="black" ] "rsc1_stop_0 pcmk-1" -> "rsc1_start_0 pcmk-2" [ style = dashed ] "rsc1_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc1_start_0 pcmk-2" [ style = dashed ] "rsc2_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc2_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc2_stop_0 pcmk-1" [ style=dashed color="red" fontcolor="black" ] "rsc2_start_0 pcmk-2" [ style=dashed color="red" fontcolor="black" ] "rsc2_stop_0 pcmk-1" -> "rsc2_start_0 pcmk-2" [ style = dashed ] "rsc2_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc2_start_0 pcmk-2" [ style = dashed ] "rsc3_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc3_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc3_stop_0 pcmk-1" [ style=dashed color="blue" fontcolor="orange" ] "rsc3_start_0 pcmk-2" [ style=dashed color="blue" fontcolor="black" ] "rsc3_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc3_start_0 pcmk-2" [ style = dashed ] "probe_complete pcmk-2" -> "probe_complete" [ style = bold] "probe_complete pcmk-2" [ style=bold color="green" fontcolor="black" ] "probe_complete" [ style=bold color="green" fontcolor="orange" ] "all_stopped" [ style=dashed color="red" fontcolor="orange" ] } pacemaker-master/doc/Clusters_from_Scratch/en-US/images/Policy-Engine-small.svg000066400000000000000000000220421217637305600300410ustar00rootroot00000000000000 g rsc1_monitor_0 pcmk-2 rsc1_monitor_0 pcmk-2 probe_complete pcmk-2 probe_complete pcmk-2 rsc1_monitor_0 pcmk-2->probe_complete pcmk-2 probe_complete probe_complete probe_complete pcmk-2->probe_complete rsc1_stop_0 pcmk-1 rsc1_stop_0 pcmk-1 rsc1_start_0 pcmk-2 rsc1_start_0 pcmk-2 rsc1_stop_0 pcmk-1->rsc1_start_0 pcmk-2 all_stopped all_stopped rsc1_stop_0 pcmk-1->all_stopped probe_complete->rsc1_start_0 pcmk-2 rsc2_start_0 pcmk-2 rsc2_start_0 pcmk-2 probe_complete->rsc2_start_0 pcmk-2 rsc3_start_0 pcmk-2 rsc3_start_0 pcmk-2 probe_complete->rsc3_start_0 pcmk-2 rsc2_monitor_0 pcmk-2 rsc2_monitor_0 pcmk-2 rsc2_monitor_0 pcmk-2->probe_complete pcmk-2 rsc2_stop_0 pcmk-1 rsc2_stop_0 pcmk-1 rsc2_stop_0 pcmk-1->all_stopped rsc2_stop_0 pcmk-1->rsc2_start_0 pcmk-2 rsc3_monitor_0 pcmk-2 rsc3_monitor_0 pcmk-2 rsc3_monitor_0 pcmk-2->probe_complete pcmk-2 rsc3_stop_0 pcmk-1 rsc3_stop_0 pcmk-1 rsc3_stop_0 pcmk-1->all_stopped pacemaker-master/doc/Clusters_from_Scratch/en-US/images/f-13.1-welcome.png000066400000000000000000005235741217637305600265340ustar00rootroot00000000000000PNG  IHDR i1 iCCPICC ProfilexXgPMX`w9%眓sFrPQHV""HT  |﫺nW3==sByOtt8n{o& |~hw^ydOEƲ~ѱ`ƣagƃ8<}89Dc K}`(!`{6F:""j_1? =}|~QH\tO߇[DxliH?YiEyXڮc!ngX -Ͱ0{L _|l?v;4 ~8a4 *zX[>AD2AT4K= QLY@* 6!B$ qB($)Bd YA; AP<eAPTBU&tAF  /B !PG#,N/D"FD!{aK,b D$R)TG"m{Xd2YC!Y2 P2(-凊Ae*PMsjMBКhs:A/o/tO ÆǨa0PL*8sӋyǬaXNVk`˱wcX:vGq&Ha\)׃-6xQ&OƟ7Ot&L'hLBO"|'BD =1xXFB$1P$ <N2422L0|'Hb$=^IR3>iHee4ggڵڳ:::tfuu}tt ][ԗտ@ aa(hĘbl\a=HkcNlΫZGC 96['?Q|~iqN((;s2)S5ȂB¦"rQJiy?J *=C8f̪\|"eA*ܪjg>ruimGX]i=>~a \/l7F6694=hVknni9Պhop%K]m2m._W|}u嵾E۫nPou@]]nZqKVmەwX!dMݻ|/|n_<0o?ڃ4n>R9:X'*Ontw,+!vw'VNn` )Ei2%R3\e r%sZv_PXDy M -J*.i3l~5!7";b:cbntG |ǧU=> %Ň ?|"8my9 Wү&hMONθ72 7Kbb>Y&~Ҽ v|8ٲm? r qtEQ ht3F3݇N $hf-2*JZ{ZktJtO08aX`tƸʤٴŲf5gpӠ+uWپYo!o BVPdpUpF8-5XTGb,ρD$䒔}ά<ܙ5rSű/8~ĭN-"aP+v( 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ESyF~ޏvrѿ,#9xaPWPڵ"UC f?H dX/!fːy5a9} F7KXM̚ 3yHJ/Wy4fT",^ژ!BV:CeiҐ3qLnޜ ) f}׋- Yn2!Q@RFLi{63 #3u4T kHi/g@c~'>$v!ިĞA3[ʞ8roGZU8-G*tێ4|.KEe['$>:uj6X²&5l %u5C{>rk x ,{Emǎ&ɓ&Os쭷Š+SԷS [sBBc =h["D{BiOF|u%Btey=w;q?EVUAu֬Ym۶oįsIfS{vH蘾]j|hO·i%݄w`Bq]>#>l Qz?jduB`C6푦9MK$yߜtڻ+'kjş6F5^%_4k8VÊw>x ݻwK2$euL.4s֬Xm+:#,O V"w(o~3*BȖ VO!X0    Pt8L.Rmw!V2w@'S۹.:?+8TG߁"Ńzn kq,p1~ /UV~iXgkVs͏Bx},t9kKlŇ)@%  ЊrktV\KiOK&'Rm-s( 42ɞ^X_2 image/svg+xml D'base Web Site Web Site Web Site Web Site GFS2 Host Host Host Host Shared Storage CoroSync Pacemaker Active / Active ServicesClusterSoftwareHardware GFS2 GFS2 GFS2 URL Mail D'base URL Mail D'base URL Mail D'base URL Mail pacemaker-master/doc/Clusters_from_Scratch/en-US/images/pcmk-active-passive.svg000066400000000000000000001166061217637305600301560ustar00rootroot00000000000000 image/svg+xml URL Web Site Files Storage Host Host CoroSync Pacemaker Active / Passive ServicesClusterSoftwareHardware URL D/base Storage D/base Synch Synch pacemaker-master/doc/Clusters_from_Scratch/en-US/images/pcmk-internals.svg000066400000000000000000001271041217637305600272250ustar00rootroot00000000000000 image/svg+xml Pacemaker Internals crmd stonithd cib pengine lrmd cluster abstraction layer corosync ccm or heartbeat linux-ha project pacemaker project pacemaker-master/doc/Clusters_from_Scratch/en-US/images/pcmk-overview.svg000066400000000000000000000703061217637305600270750ustar00rootroot00000000000000 image/svg+xml Pacemaker 10,000ft Cluster Resource Manager Local Resource Manager Resource Agents Messaging & Membership pacemaker-master/doc/Clusters_from_Scratch/en-US/images/pcmk-shared-failover.svg000066400000000000000000001514071217637305600303040ustar00rootroot00000000000000 image/svg+xml URL Mail Files Storage Host Host Host Host CoroSync Pacemaker Shared Failover Hardware ClusterSoftware Services Storage D'base Storage Storage D'base URL URL Web Site Files Synch Synch Synch pacemaker-master/doc/Clusters_from_Scratch/en-US/images/pcmk-stack.svg000066400000000000000000001021201217637305600263220ustar00rootroot00000000000000 image/svg+xml cLVM2 GFS2 OCFS2 Distributed Lock Manager CoroSync Pacemaker Pacemaker Stack Build Dependancy Resource Agents Cluster Glue pacemaker-master/doc/Clusters_from_Scratch/it-IT/000077500000000000000000000000001217637305600223025ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ap-Configuration.po000066400000000000000000000525531217637305600260210ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 16:33+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Recap" msgstr "Riepilogo delle configurazioni" #. Tag: title #, no-c-format msgid "Final Cluster Configuration" msgstr "Configurazione finale del cluster" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100\n" "# pcs resource op defaults\n" "timeout: 240s\n" "# pcs stonith\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " ClusterIP-clone then WebSite-clone\n" " WebDataClone then WebSite-clone\n" " WebFS-clone then WebSite-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone\n" "#\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 13:45:34 2012\n" "Last change: Fri Sep 14 13:43:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "11 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " impi-fencing (stonith:fence_ipmilan): Started" msgstr "" #. Tag: para #, no-c-format msgid "In xml it should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib admin_epoch=\"0\" cib-last-written=\"Fri Sep 14 13:43:13 2012\" crm_feature_set=\"3.0.6\" dc-uuid=\"1\" epoch=\"47\" have-quorum=\"1\" num_updates=\"50\" update-client=\"cibadmin\" update-origin=\"pcmk-1\" validate-with=\"pacemaker-1.2\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " <nvpair id=\"cib-bootstrap-options-no-quorum-policy\" name=\"no-quorum-policy\" value=\"ignore\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"true\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" type=\"normal\" uname=\"pcmk-1\"/>\n" " <node id=\"2\" type=\"normal\" uname=\"pcmk-2\"/>\n" " </nodes>\n" " <resources>\n" " <master id=\"WebDataClone\">\n" " <primitive class=\"ocf\" id=\"WebData\" provider=\"linbit\" type=\"drbd\">\n" " <instance_attributes id=\"WebData-instance_attributes\">\n" " <nvpair id=\"WebData-instance_attributes-drbd_resource\" name=\"drbd_resource\" value=\"wwwdata\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebData-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebDataClone-meta_attributes\">\n" " <nvpair id=\"WebDataClone-meta_attributes-master-node-max\" name=\"master-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-notify\" name=\"notify\" value=\"true\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-master-max\" name=\"master-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </master>\n" " <clone id=\"dlm-clone\">\n" " <primitive class=\"ocf\" id=\"dlm\" provider=\"pacemaker\" type=\"controld\">\n" " <instance_attributes id=\"dlm-instance_attributes\"/>\n" " <operations>\n" " <op id=\"dlm-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"dlm-clone-meta\">\n" " <nvpair id=\"dlm-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"dlm-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"ClusterIP-clone\">\n" " <primitive class=\"ocf\" id=\"ClusterIP\" provider=\"heartbeat\" type=\"IPaddr2\">\n" " <instance_attributes id=\"ClusterIP-instance_attributes\">\n" " <nvpair id=\"ClusterIP-instance_attributes-ip\" name=\"ip\" value=\"192.168.0.120\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-cidr_netmask\" name=\"cidr_netmask\" value=\"32\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-clusterip_hash\" name=\"clusterip_hash\" value=\"sourceip\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ClusterIP-interval-30s\" interval=\"30s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"ClusterIP-clone-meta\">\n" " <nvpair id=\"ClusterIP-globally-unique\" name=\"globally-unique\" value=\"true\"/>\n" " <nvpair id=\"ClusterIP-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"ClusterIP-clone-node-max\" name=\"clone-node-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"WebFS-clone\">\n" " <primitive class=\"ocf\" id=\"WebFS\" provider=\"heartbeat\" type=\"Filesystem\">\n" " <instance_attributes id=\"WebFS-instance_attributes\">\n" " <nvpair id=\"WebFS-instance_attributes-device\" name=\"device\" value=\"/dev/drbd/by-res/wwwdata\"/>\n" " <nvpair id=\"WebFS-instance_attributes-directory\" name=\"directory\" value=\"/var/www/html\"/>\n" " <nvpair id=\"WebFS-instance_attributes-fstype\" name=\"fstype\" value=\"gfs2\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"WebFS-meta_attributes\"/>\n" " </primitive>\n" " <meta_attributes id=\"WebFS-clone-meta\"/>\n" " </clone>\n" " <clone id=\"WebSite-clone\">\n" " <primitive class=\"ocf\" id=\"WebSite\" provider=\"heartbeat\" type=\"apache\">\n" " <instance_attributes id=\"WebSite-instance_attributes\">\n" " <nvpair id=\"WebSite-instance_attributes-configfile\" name=\"configfile\" value=\"/etc/httpd/conf/httpd.conf\"/>\n" " <nvpair id=\"WebSite-instance_attributes-statusurl\" name=\"statusurl\" value=\"http://localhost/server-status\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebSite-interval-1min\" interval=\"1min\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebSite-clone-meta\"/>\n" " </clone>\n" " <primitive class=\"stonith\" id=\"impi-fencing\" type=\"fence_ipmilan\">\n" " <instance_attributes id=\"impi-fencing-instance_attributes\">\n" " <nvpair id=\"impi-fencing-instance_attributes-pcmk_host_list\" name=\"pcmk_host_list\" value=\"pcmk-1 pcmk-2\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-ipaddr\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-login\" name=\"login\" value=\"testuser\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-passwd\" name=\"passwd\" value=\"acd123\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"impi-fencing-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"colocation-WebSite-ClusterIP-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"ClusterIP-clone\"/>\n" " <rsc_order first=\"ClusterIP-clone\" first-action=\"start\" id=\"order-ClusterIP-WebSite-mandatory\" then=\"WebSite-clone\" then-action=\"start\"/>\n" " <rsc_colocation id=\"colocation-WebFS-WebDataClone-INFINITY\" rsc=\"WebFS-clone\" score=\"INFINITY\" with-rsc=\"WebDataClone\" with-rsc-role=\"Master\"/>\n" " <rsc_colocation id=\"colocation-WebSite-WebFS-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"WebFS-clone\"/>\n" " <rsc_order first=\"WebFS-clone\" id=\"order-WebFS-WebSite-mandatory\" then=\"WebSite-clone\"/>\n" " <rsc_order first=\"WebDataClone\" first-action=\"promote\" id=\"order-WebDataClone-WebFS-mandatory\" then=\"WebFS-clone\" then-action=\"start\"/>\n" " </constraints>\n" " <rsc_defaults>\n" " <meta_attributes id=\"rsc_defaults-options\">\n" " <nvpair id=\"rsc_defaults-options-resource-stickiness\" name=\"resource-stickiness\" value=\"100\"/>\n" " </meta_attributes>\n" " </rsc_defaults>\n" " <op_defaults>\n" " <meta_attributes id=\"op_defaults-options\">\n" " <nvpair id=\"op_defaults-options-timeout\" name=\"timeout\" value=\"240s\"/>\n" " </meta_attributes>\n" " </op_defaults>\n" " </configuration>\n" "</cib>" msgstr "" #. Tag: title #, no-c-format msgid "Node List" msgstr "Lista nodi" #. Tag: para #, no-c-format msgid "The list of cluster nodes is automatically populated by the cluster." msgstr "La lista dei nodi è popolata automaticamente dal cluster." #. Tag: literallayout #, no-c-format msgid "" "Pacemaker Nodes:\n" " Online: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "Opzioni del cluster" #. Tag: para #, no-c-format msgid "This is where the cluster automatically stores some information about the cluster" msgstr "Qui è dove il cluster registra automaticamente alcune informazioni in merito al cluster" #. Tag: para #, no-c-format msgid "dc-version - the version (including upstream source-code hash) of Pacemaker used on the DC" msgstr "dc-version - la versione (incluso l'hash del codice sorgente originale) di Pacemaker usata nel DC" #. Tag: para #, no-c-format msgid "cluster-infrastructure - the cluster infrastructure being used (heartbeat or openais)" msgstr "cluster-infrastructure - l'infrastruttura cluster utilizzata (heartbeat or openais)" #. Tag: para #, no-c-format msgid "expected-quorum-votes - the maximum number of nodes expected to be part of the cluster" msgstr "expected-quorum-votes - il numero massimo di nodi che ci si aspetta facciano parte del cluster" #. Tag: para #, no-c-format msgid "and where the admin can set options that control the way the cluster operates" msgstr "e dove l'amministratore può assegnare valori alle opzioni che controllano il modo in cui il cluster opera" #. Tag: para #, no-c-format msgid "stonith-enabled=true - Make use of STONITH" msgstr "stonith-enabled=true - Fai uso di STONITH" #. Tag: para #, no-c-format msgid "no-quorum-policy=ignore - Ignore loss of quorum and continue to host resources." msgstr "no-quorum-policy=ignore - Ignora la perdita di quorum e continua ad ospitare le risorse." #. Tag: programlisting #, no-c-format msgid "" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: title #, no-c-format msgid "Resources" msgstr "Risorse" #. Tag: title #, no-c-format msgid "Default Options" msgstr "Opzioni di default" #. Tag: para #, no-c-format msgid "Here we configure cluster options that apply to every resource." msgstr "Qui vengono configurate le opzioni del cluster che vanno applicati a tutte le risorse" #. Tag: para #, no-c-format msgid "resource-stickiness - Specify the aversion to moving resources to other machines" msgstr "resource-stickiness - Specifica l'impossibilità o meno di muovere risorse ad altre macchine" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #. Tag: title #, no-c-format msgid "Fencing" msgstr "Fencing" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith show\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs stonith show impi-fencing\n" "Resource: impi-fencing\n" " pcmk_host_list: pcmk-1 pcmk-2\n" " ipaddr: 10.0.0.1\n" " login: testuser\n" " passwd: acd123" msgstr "" #. Tag: title #, no-c-format msgid "Service Address" msgstr "Servizio Address" #. Tag: para #, fuzzy, no-c-format msgid "Users of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one \"request bucket\" for each node) and that if one node fails, then the remaining node should hold both." msgstr "Gli utenti dei servizi forniti dal cluster richiedono un indirizzo invariato con cui accedervi. Inoltre, l'indirizzo viene clonato così da essere attivo su entrambi i nodi. Una regola iptables (creata come parte del resource agent) viene utilizzata per assicurarsi che ogni richiesta venga processata unicamente da una delle due istanze clone. Le opzioni meta aggiuntive indicano al cluste che si necessità di due istanze del clone (una \"request bucket\" per ogni nodo) e che se un nodo muote, allora il nodo rimanente deve erogarle entrambe." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show ClusterIP-clone\n" "Resource: ClusterIP-clone\n" " ip: 192.168.0.120\n" " cidr_netmask: 32\n" " clusterip_hash: sourceip\n" " globally-unique: true\n" " clone-max: 2\n" " clone-node-max: 2\n" " op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "TODO: The RA should check for globally-unique=true when cloned" msgstr "TODO: Il RA quando clonato dovrebbe controllare l'opzione globally-unique=true" #. Tag: title #, no-c-format msgid "DRBD - Shared Storage" msgstr "DRBD - Storage condiviso" #. Tag: para #, no-c-format msgid "Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it’s peer changes state." msgstr "Qui viene definito il servizio DRBD e specificata quale risorsa DRBD (da drbd.conf) questi debba controllare. La risorsa viene definita come master/slave e, per rispettare il setup active/active, entrambe le istanze vengono abilitate ad essere promosse specificando master-max=2. Viene valorizzata inoltre l'opzione notify, così che il cluster comunicherà all'agent DRBD quando il suo nodo cambierà stato." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebDataClone\n" "Resource: WebDataClone\n" " drbd_resource: wwwdata\n" " master-node-max: 1\n" " clone-max: 2\n" " clone-node-max: 1\n" " notify: true\n" " master-max: 2\n" " op monitor interval=60s\n" "# pcs constraint ref WebDataClone\n" "Resource: WebDataClone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Filesystem" msgstr "Cluster Filesystem" #. Tag: para #, no-c-format msgid "The cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances." msgstr "Il Cluster Filesystem si assicura che i file vengano letti e scritti nella maniera corretta. E' necessario specificare il block device (fornito da DRBD), dove si vuole effettuare l'operazione di mount e che viene utilizzato GFS2. Di nuovo questo è un clone, perché è inteso essere attivo su entrambi i nodi. La constraint aggiuntiva assicura che la risorsa possa essere avviata su nodi con gfs-control attivo e istanze drbd." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS-clone\n" "Resource: WebFS-clone\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" "# pcs constraint ref WebFS-clone\n" "Resource: WebFS-clone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-WebFS-WebSite-mandatory\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Apache" msgstr "Apache" #. Tag: para #, no-c-format msgid "Lastly we have the actual service, Apache. We need only tell the cluster where to find it’s main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active." msgstr "Infine viene definito il servizio Apache. E' necessario solamente specificare al cluster dove trovare il file di configurazione principale e costringere questo ad essere eseguito su nodi con il filesystem richiesto montato e l'indirizzo IP attivo." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebSite-clone\n" "Resource: WebSite-clone\n" " configfile: /etc/httpd/conf/httpd.conf\n" " statusurl: http://localhost/server-status\n" " master-max: 2\n" " op monitor interval=1min\n" "# pcs constraint ref WebSite-clone\n" "Resource: WebSite-clone\n" " colocation-WebSite-ClusterIP-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-ClusterIP-WebSite-mandatory\n" " order-WebFS-WebSite-mandatory" msgstr "" #~ msgid "TODO: Add text here" #~ msgstr "TODO: Aggiungi il testo qui" #~ msgid "Distributed lock manager" #~ msgstr "Distributed lock manager" #~ msgid "Cluster filesystems like GFS2 require a lock manager. This service starts the daemon that provides user-space applications (such as the GFS2 daemon) with access to the in-kernel lock manager. Since we need it to be available on all nodes in the cluster, we have it cloned." #~ msgstr "I filesystem cluster come GFS2 richiedono un lock manager. Questo servizio avvia il demone che fornisce applicazioni user-spacc (come il demone GFS2) con accesso al lock manager interno al kernel. Dato che si necessita di averlo attivo su tutti nodi del cluste, questo viene clonato." #~ msgid "TODO: Confirm interleave is no longer needed" #~ msgstr "TODO: La conferma del parametro interleave non è più necessaria" #~ msgid "GFS control daemon" #~ msgstr "Demone di controllo di GFS" #~ msgid "GFS2 also needs a user-space/kernel bridge that runs on every node. So here we have another clone, however this time we must also specify that it can only run on machines that are also running the DLM (colocation constraint) and that it can only be started after the DLM is running (order constraint). Additionally, the gfs-control clone should only care about the DLM instances it is paired with, so we need to set the interleave option." #~ msgstr "GFS2 inoltre necessita di un ponte user-space/kernel eseguito su ogni nodo. Così qui è presente un altro clone, sebbene questa volta va scpecificato che può girare su macchine che tanno eseguendo anche il DLM (colocation constraint) e che questo può solamente essere avviato dopo che il DLM viene a sua volta avviato (order constraint). Inoltre, il clone gfs-control deve preoccuparsi unicamente dell'istanza DLM a cui è associato, così non è necessario valorizzare l'opzione interleave." pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ap-Corosync-Conf.po000066400000000000000000000020521217637305600256610ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 15:18+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Sample Corosync Configuration" msgstr "Listato di Corosync.conf" #. Tag: title #, no-c-format msgid "Sample corosync.conf for two-node cluster using a node list." msgstr "" #. Tag: literallayout #, no-c-format msgid "" "# Please read the corosync.conf.5 manual page\n" "totem {\n" "version: 2\n" "secauth: off\n" "cluster_name: mycluster\n" "transport: udpu\n" "}\n" "\n" "nodelist {\n" " node {\n" " ring0_addr: pcmk-1\n" " nodeid: 1\n" " }\n" " node {\n" " ring0_addr: pcmk-2\n" " nodeid: 2\n" " }\n" "}\n" "\n" "quorum {\n" " provider: corosync_votequorum\n" "}\n" "\n" "logging {\n" " to_syslog: yes\n" "}" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ap-Reading.po000066400000000000000000000037301217637305600245540ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 15:17+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "Approfondimenti" #. Tag: para #, fuzzy, no-c-format msgid "Project Website http://www.clusterlabs.org" msgstr "http://www.clusterlabs.org" #. Tag: para #, fuzzy, no-c-format msgid "Cluster Commands A comprehensive guide to cluster commands has been written by SuSE and can be found at: http://www.suse.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html" msgstr "http://www.novell.com/documentation/sles11/book_sleha/index.html?page=/documentation/sles11/book_sleha/data/book_sleha.html" #. Tag: para #, fuzzy, no-c-format msgid "Corosync http://www.corosync.org" msgstr "http://www.corosync.org" #~ msgid "Project Website" #~ msgstr "Sito del progetto" #~ msgid "Cluster Commands" #~ msgstr "Comandi cluster" #~ msgid "A comprehensive guide to cluster commands has been written by Novell and can be found at:" #~ msgstr "Una guida generale è stata redatta da Novell e si trova qui:" #~ msgid "Corosync" #~ msgstr "Corosync" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Author_Group.po000066400000000000000000000017221217637305600252620ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-07T15:51:40\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: contrib #, no-c-format msgid "Italian translation" msgstr "" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Book_Info.po000066400000000000000000000051141217637305600245100ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 14:59+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Clusters from Scratch" msgstr "Clusters from Scratch" #. Tag: subtitle #, no-c-format msgid "Creating Active/Passive and Active/Active Clusters on Fedora" msgstr "Creare cluster Active/Passive e Active/Active su Fedora" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "" #. Tag: para #, no-c-format msgid "The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one." msgstr "Lo scopo di questo documento è di fornire una guida completa per costruire un cluster active/passive con Pacemaker e mostrare come può essere convertito in una configurazione active/active. " #. Tag: para #, no-c-format msgid "The example cluster will use:" msgstr "Il cluster userà:" #. Tag: para #, no-c-format msgid "&DISTRO; &DISTRO_VERSION; as the host operating system" msgstr "&DISTRO; &DISTRO_VERSION; come sistema operativo" #. Tag: para #, no-c-format msgid "Corosync to provide messaging and membership services," msgstr "Corosync per fornire i servizi di messaging e membership," #. Tag: para #, no-c-format msgid "Pacemaker to perform resource management," msgstr "Pacemaker per la gestione delle risorse" #. Tag: para #, no-c-format msgid "DRBD as a cost-effective alternative to shared storage," msgstr "DRBD come alternativa prezzo/prestazioni allo storage condiviso," #. Tag: para #, no-c-format msgid "GFS2 as the cluster filesystem (in active/active mode)" msgstr "GFS2 come cluster filesystem (nella modalità active/active)" #. Tag: para #, no-c-format msgid "Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs." msgstr "Per via del processo grafico di installazione di Fedora, diversi screenshot sono inclusi. Ad ogni modo questa guida è composta primariamente dai comandi, dalle ragioni per cui questi vengono eseguiti e l'output da loro prodotto." #~ msgid "The crm shell for displaying the configuration and making changes" #~ msgstr "La shell crm per la visualizzazione della configurazione e l'attuazione delle modifiche" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Active-Active.po000066400000000000000000000547711217637305600256340ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-04 11:23+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Conversion to Active/Active" msgstr "Conversione in Active/Active" #. Tag: title #, no-c-format msgid "Requirements" msgstr "Requisiti" #. Tag: para #, fuzzy, no-c-format msgid "The primary requirement for an Active/Active cluster is that the data required for your services is available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that." msgstr "Il requisito primario di un cluster Active/Active è che i dati richiesti dai servizi siano disponibili, simultaneamente, su entrambe le macchine. Pacemaker non impone requisiti su come questa funzionalità venga gestita, è possibile utilizzare una SAN (Storage Area Network) se ne si possiede una, ad ogni modo è possibile utilizzare anche DRBD, visto che supporta configurazioni multi-Primary." #. Tag: para #, fuzzy, no-c-format msgid "The only hitch is that we need to use a cluster-aware filesystem. The one we used earlier with DRBD, ext4, is not one of those. Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with Fedora 17." msgstr "L'unico inconveniente sta nel fatto di dover utilizzare un filesystem cluster-aware (e quello usato in precedenza, ext4, non è uno di questi). Sia OCFS2 che GFS2 sono supportati, la scelta cadrà su GFS2, disponibile con &DISTRO; &DISTRO_VERSION; ." #. Tag: title #, no-c-format msgid "Installing the required Software" msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y gfs2-utils dlm kernel-modules-extra" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package dlm.x86_64 0:3.99.4-1.fc17 will be installed\n" "---> Package gfs2-utils.x86_64 0:3.1.4-3.fc17 will be installed\n" "---> Package kernel-modules-extra.x86_64 0:3.4.4-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "================================================================================\n" " Package Arch Version Repository Size\n" "================================================================================\n" "Installing:\n" " dlm x86_64 3.99.4-1.fc17 updates 83 k\n" " gfs2-utils x86_64 3.1.4-3.fc17 fedora 214 k\n" " kernel-modules-extra x86_64 3.4.4-3.fc17 updates 1.7 M\n" "\n" "Transaction Summary\n" "================================================================================\n" "Install 3 Packages\n" "\n" "Total download size: 1.9 M\n" "Installed size: 7.7 M\n" "Downloading Packages:\n" "(1/3): dlm-3.99.4-1.fc17.x86_64.rpm | 83 kB 00:00\n" "(2/3): gfs2-utils-3.1.4-3.fc17.x86_64.rpm | 214 kB 00:00\n" "(3/3): kernel-modules-extra-3.4.4-3.fc17.x86_64.rpm | 1.7 MB 00:01\n" "--------------------------------------------------------------------------------\n" "Total 615 kB/s | 1.9 MB 00:03\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : kernel-modules-extra-3.4.4-3.fc17.x86_64 1/3\n" " Installing : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Installing : dlm-3.99.4-1.fc17.x86_64 3/3\n" " Verifying : dlm-3.99.4-1.fc17.x86_64 1/3\n" " Verifying : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Verifying : kernel-modules-extra-3.4.4-3.fc17.x86_64 3/3\n" "\n" "Installed:\n" " dlm.x86_64 0:3.99.4-1.fc17\n" " gfs2-utils.x86_64 0:3.1.4-3.fc17\n" " kernel-modules-extra.x86_64 0:3.4.4-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Create a GFS2 Filesystem" msgstr "Creazione un Filesystem GFS2" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Preparazione" #. Tag: para #, fuzzy, no-c-format msgid "Before we do anything to the existing partition, we need to make sure it is unmounted. We do this by telling the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order." msgstr "Prima di fare qualsiasi operazione sulla partizione esistente bisogna accertarsi che questa sia smontata. Ciò è possibile indicando al cluster di fermare la risorsa WebFS. Questo garantirà che altre risorse (nel nostro caso, Apache) che utilizzano WebFS non sono solamente fermate, ma sono state fermate nell'ordine corretto." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource stop WebFS\n" "# pcs resource\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "Note that both Apache and WebFS have been stopped." msgstr "Notare come sia Apache che WebFS sono stati fermati." #. Tag: title #, no-c-format msgid "Create and Populate an GFS2 Partition" msgstr "Creazione e popolamento della partizione GFS2" #. Tag: para #, no-c-format msgid "Now that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition." msgstr "Ora che il cluster e le sue parti stanno funzionando senza problemi, è possibile creare la partizione GFS2." #. Tag: para #, no-c-format msgid "This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data." msgstr "Questa operazione cancellerà qualsiasi contenuto sul device DRBD. Assicurarsi quindi di avere una copia di qualsiasi dato cruciale." #. Tag: para #, no-c-format msgid "We need to specify a number of additional parameters when creating a GFS2 partition." msgstr "Nella creazione di una partizione GFS2 è necessario specificare diversi parametri aggiuntivi." #. Tag: para #, no-c-format msgid "First we must use the -p option to specify that we want to use the the Kernel’s DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem)." msgstr "Per cominciare, va utilizzata l'opzione -p per specificare la volontà di utilizzare il DLM del Kernel. Proseguendo, l'opzione -j indica che la risorsa dovrà riservare abbastanza spazio per due journal (uno per ogni nodo che accede al filesystem)." #. Tag: para #, no-c-format msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we need to use the same value as specified in corosync.conf for cluster_name. If you setup corosync with the same cluster name we used in this tutorial, cluster name will be mycluster. If you are unsure what your cluster name is, open up /etc/corosync/corosync.conf, or execute the command pcs cluster corosync pcmk-1 to view the corosync config. The cluster name will be in the totem block." msgstr "" #. Tag: para #, no-c-format msgid "We must run the next command on whichever node last had /dev/drbd mounted. Otherwise you will receive the message:" msgstr "" #. Tag: screen #, no-c-format msgid "/dev/drbd1: Read-only file system" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- mkfs.gfs2 -p lock_dlm -j 2 -t mycluster:web /dev/drbd1\n" "This will destroy any data on /dev/drbd1.\n" "It appears to contain: Linux rev 1.0 ext4 filesystem data, UUID=dc45fff3-c47a-4db2-96f7-a8049a323fe4 (extents) (large files) (huge files)\n" "Are you sure you want to proceed? [y/n]y\n" "Device: /dev/drbd1\n" "Blocksize: 4096\n" "Device Size 0.97 GB (253935 blocks)\n" "Filesystem Size: 0.97 GB (253932 blocks)\n" "Journals: 2\n" "Resource Groups: 4\n" "Locking Protocol: \"lock_dlm\"\n" "Lock Table: \"mycluster\"\n" "UUID: ed293a02-9eee-3fa3-ed1c-435ef1fd0116" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster cib dlm_cfg\n" "# pcs -f dlm_cfg resource create dlm ocf:pacemaker:controld op monitor interval=60s\n" "# pcs -f dlm_cfg resource clone dlm clone-max=2 clone-node-max=1\n" "# pcs -f dlm_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Stopped: [ dlm:0 dlm:1 ]\n" "# pcs cluster push cib dlm_cfg\n" "CIB updated\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:54:50 2012\n" "Last change: Fri Sep 14 12:54:43 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "7 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: para #, no-c-format msgid "Then (re)populate the new filesystem with data (web pages). For now we’ll create another variation on our home page." msgstr "A questo punto è possibile ripopolare il nuovo filesystem con i dati (le pagine web). Per ora verrà creata una versione alternativa dell'home page." #. Tag: programlisting #, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "# umount /dev/drbd1\n" "# drbdadm verify wwwdata#" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure the Cluster for GFS2" msgstr "Riconfigurare il cluster per GFS2" #. Tag: para #, no-c-format msgid "With the WebFS resource stopped, lets update the configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: ext4\n" " target-role: Stopped" msgstr "" #. Tag: para #, no-c-format msgid "The fstype option needs to be updated to gfs2 instead of ext4." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource update WebFS fstype=gfs2\n" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" " target-role: Stopped\n" "CIB updated" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure Pacemaker for Active/Active" msgstr "Riconfigurare Pacemaker per l'Active/Active" #. Tag: para #, no-c-format msgid "Almost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we’re using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this." msgstr "Quasi tutto è a posto. Le versioni recenti di DRBD supportano l'operare in modalità Primary/Primary ed inoltre il filesystem utilizzato è cluster aware. Tutto ciò che rimane da fare è configurare nuovamente il cluster per sfruttare queste peculiarità." #. Tag: para #, fuzzy, no-c-format msgid "This will involve a number of changes, so we’ll want work with a local cib file." msgstr "Questo richiederà diversi cambiamenti, pertanto verrà utilizzata ancora una volta la modalità interattiva." #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib active_cfg" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There’s no point making the services active on both locations if we can’t reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one \"request bucket\" for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded." msgstr "Non ha senso rendere i servizi attivi in entrambi i posti se questi non possono essere utilizzati, quindi per prima cosa va clonato l'indirizzo IP. Le risorse IPaddr2 clonate utilizzano una regola iptables per assicurarsi che ogni richiesta venga processato da solamente una delle due istanze clonate. Le meta opzioni addizionali indicano al cluster quante istanze del clone sono necessarie (una \"request bucket\" per ciascun nodo) e come queste debbano essere gestite tutte dal nodo rimanente in caso di fallimento di tutti gli altri. In caso contrario le richieste verranno semplicemente scartate." #. Tag: screen #, no-c-format msgid "" "# pcs -f active_cfg resource clone ClusterIP \\\n" " globally-unique=true clone-max=2 clone-node-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Notice when the ClusterIP becomes a clone, the constraints referencing ClusterIP now reference the clone. This is done automatically by pcs." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP-clone\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS" msgstr "" #. Tag: para #, no-c-format msgid "Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter." msgstr "Ora bisogna indicare a ClusterIP come decidere quali richieste sono processate e da quali host. Per fare ciò è necessario definire il parametro clusterip_hash." #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update ClusterIP clusterip_hash=sourceip" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next we need to convert the filesystem and Apache resources into clones." msgstr "A questo punto è necessario convertire le risorse filesystem ed Apache in cloni. Di nuovo, la shell aggiornerà automaticamente ogni constraint interessata." #. Tag: para #, no-c-format msgid "Notice how pcs automatically updates the relevant constraints again." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg resource clone WebFS\n" "# pcs -f active_cfg resource clone WebSite\n" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite-clone\n" " WebFS-clone then WebSite-clone\n" " promote WebDataClone then start WebFS-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone" msgstr "" #. Tag: para #, no-c-format msgid "The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master)." msgstr "L'ultimo passo è quello di comunicare al cluster che ora è consentito promuovere entrambe le istanze a PRimary (o Master)." #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update WebDataClone master-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster’s response" msgstr "Prima di caricare la configurazione nel cluster questa va revisionata, la shell andrà terminata e si dovrà osservare il responso del cluster" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster push cib active_cfg\n" "# pcs resource start WebFS" msgstr "" #. Tag: para #, no-c-format msgid "After all the processes are started the status should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Testing Recovery" msgstr "Testare il recovery" #. Tag: para #, no-c-format msgid "TODO: Put one node into standby to demonstrate failover" msgstr "TODO: mettere un nodo in standby per dimostrare il failover" #~ msgid "Install a Cluster Filesystem - GFS2" #~ msgstr "Installare un cluster filesystem - GFS2" #~ msgid "The first thing to do is install gfs2-utils on each machine." #~ msgstr "La prima cosa da fare è quella di installare il pacchetto gfs2-utils su ciascuna macchina." #~ msgid "Setup Pacemaker-GFS2 Integration" #~ msgstr "Configurare l'integrazione fra Pacemaker e GFS2" #~ msgid "GFS2 needs two services to be running, the first is the user-space interface to the kernel’s distributed lock manager (DLM). The DLM is used to co-ordinate which node(s) can access a given file (and when) and integrates with Pacemaker to obtain node membership The list of nodes the cluster considers to be available information and fencing capabilities." #~ msgstr "GFS2 necessita di due servizi attivi, il primo è l'interfaccia user-space al distribuited lock manager (DLM) del kernel. DLM è utilizzato per regolare quale/i nodo/i possono accedere a determinati file (e quando) e si integra con Pacemaker per ottenere informazioni sulla membership del nodo L'elenco dei nodi che il cluster ritiene essere disponibili ed il supporto al fencing." #~ msgid "The second service is GFS2’s own control daemon which also integrates with Pacemaker to obtain node membership data." #~ msgstr "Il secondo servizio è il demone di controllo di GFS2, che si integra a sua volta con Pacemaker per ottenere i dati di membership dei nodi." #~ msgid "Add the DLM service" #~ msgstr "Aggiunta del servizio DLM" #~ msgid "The DLM control daemon needs to run on all active cluster nodes, so we will use the shells interactive mode to create a cloned resource." #~ msgstr "Il demone di controllo DLM deve funzionare su tutti i nodi attivi del cluster, quindi verrà utilizzata la modalità interattiva della shell per creare una risorsa clonata." #~ msgid "TODO: Explain the meaning of the interleave option" #~ msgstr "TODO: Spiegare il significato dell'opzione interleave" #~ msgid "Add the GFS2 service" #~ msgstr "Aggiunta del servizio GFS2" #~ msgid "Once the DLM is active, we can add the GFS2 control daemon." #~ msgstr "Una volta che il DLM è attivo, è possibile aggiungere il demone di controllo GFS2." #~ msgid "Use the crm shell to create the gfs-control cluster resource:" #~ msgstr "La risorsa gfs-control viene creata utilizzando la shell crm: " #~ msgid "Now ensure Pacemaker only starts the gfs-control service on nodes that also have a copy of the dlm service (created above) already running" #~ msgstr "A questo punto bisogna assicurarsi che Pacemaker avvii il servizio gfs-control sui nodi che erogano una copia del servizio dlm (creato in precedenza) funzionante." #~ msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we just need to pick something unique and descriptive and since we haven’t specified a clustername yet, we will use the default (pcmk)." #~ msgstr "Infine verrà utilizzato -t per specificare il nome della lock table. Il formato di questo campo è clustername:fsname. Per fsname è sufficiente scegliere un nome unico e descrittivo e dato che non è stato specificato ancora clustername è possibile usare il default (pcmk)." #~ msgid "To specify an alternate name for the cluster, locate the service section containing “name: pacemaker” in corosync.conf and insert the following line anywhere inside the block:" #~ msgstr "Per specificare un nome alternativo per il cluster è necessario localizzare la sezione del servizio che contiene \"name: pacemaker\" nel file corosync.conf, inserendo la seguente linea in qualsiasi posizione del blocco:" #~ msgid "Do this on each node in the cluster and be sure to restart them before continuing." #~ msgstr "Questa operazione andrà eseguita in ciascun nodo, accertandosi di effettuare un restart dello stesso prima di continuare." #~ msgid "Now that we’ve recreated the resource, we also need to recreate all the constraints that used it. This is because the shell will automatically remove any constraints that referenced WebFS." #~ msgstr "Ora che abbiamo creato nuovamente la risorsa è possibile ricreare tutte le constraint che questa utilizzava. Questo perché la shell rimuoverà automaticamente qualsiasi constraint che riferisca a WebFS." #~ msgid "Open the ClusterIP resource" #~ msgstr "Aprire la risorsa ClusterIP" #~ msgid "And add the following to the params line" #~ msgstr "ed aggiungere il seguente testo alla linea dei parametri" #~ msgid "So that the complete definition looks like:" #~ msgstr "In modo che la definizione completa sia simile alla seguente:" #~ msgid "Here is the full transcript" #~ msgstr "Questa è la trascrizione completa" #~ msgid "Notice how any constraints that referenced ClusterIP have been updated to use WebIP instead. This is an additional benefit of using the crm shell." #~ msgstr "Notare come qualsiasi constraint riferita a ClusterIP sia stata aggiornata per utilizzare invece WebIP. Questo è un vantaggio aggiuntivo nell'utilizzo della shell crm." #~ msgid "Change master-max to 2" #~ msgstr "Cambiare master-max a 2" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Active-Passive.po000066400000000000000000000545361217637305600260320ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-02 17:19+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Creating an Active/Passive Cluster" msgstr "Creare un cluster Active/Passive" #. Tag: title #, no-c-format msgid "Exploring the Existing Configuration" msgstr "Esplorare la configurazione esistente" #. Tag: para #, no-c-format msgid "When Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used." msgstr "Quando Pacemaker viene avviato automatica registra il numero ed i dettagli dei nodi nel cluster, così come lo stack è utilizzato e la versione di Pacemaker utilizzata." #. Tag: para #, no-c-format msgid "This is what the base configuration should look like." msgstr "Ecco come dovrebbe apparire la configurazione base." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:12:01 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "For those that are not of afraid of XML, you can see the raw cluster configuration and status by using the pcs cluster cib command." msgstr "Per quanti non sono spaventati da XML è possibile visualizzare la configurazione raw aggiungenfo \"xml\" al comando precedente." #. Tag: title #, no-c-format msgid "The last XML you’ll see in this document" msgstr "Questo è l'ultimo XML ad essere utilizzato nel documento." #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib epoch=\"4\" num_updates=\"19\" admin_epoch=\"0\" validate-with=\"pacemaker-1.2\" crm_feature_set=\"3.0.6\" update-origin=\"pcmk-1\" update-client=\"crmd\" cib-last-written=\"Wed Aug 1 16:08:52 2012\" have-quorum=\"1\" dc-uuid=\"1\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" uname=\"pcmk-1\" type=\"normal\"/>\n" " <node id=\"2\" uname=\"pcmk-2\" type=\"normal\"/>\n" " </nodes>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status>\n" " <node_state id=\"2\" uname=\"pcmk-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"2\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"2\">\n" " <instance_attributes id=\"status-2\">\n" " <nvpair id=\"status-2-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " <node_state id=\"1\" uname=\"pcmk-1\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"1\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"1\">\n" " <instance_attributes id=\"status-1\">\n" " <nvpair id=\"status-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " </status>\n" "</cib>" msgstr "" #. Tag: para #, no-c-format msgid "Before we make any changes, its a good idea to check the validity of the configuration." msgstr "Prima di effettuare qualsiasi cambiamento è buona norma controllare la validità della configurazione." #. Tag: programlisting #, no-c-format msgid "" "# crm_verify -L -V\n" " error: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" " error: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" " error: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" " -V may provide more details" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the tool has found some errors." msgstr "Come si può notare il tool ha trovato qualche errore." #. Tag: para #, fuzzy, no-c-format msgid "In order to guarantee the safety of your data If the data is corrupt, there is little point in continuing to make it available , the default for STONITH A common node fencing mechanism. Used to ensure data integrity by powering off \"bad\" nodes in Pacemaker is enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose)." msgstr "Al fine di garantire la sicurezza dei propri dati Se il dato è corrotto, ha poco senso renderlo ancora disponibile Pacemaker supporta STONITH un meccanismo comune di fencing del nodo utilizzato per assicurare l'integrità dei dati attraverso lo spegnimento dei nodi \"cattivi\". . In ogni caso Pacemaker è conscio quando nessuna configurazione STONITH è stata implementata e riporta questo come un problema (questo perché il cluster non sarà in grado di fare progressi in situazioni in cui vi è necessità di fencing di nodi)." #. Tag: para #, no-c-format msgid "For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled." msgstr "Per adesso la funzionalità verrà disabilitata e configurata in seguito nella sezione Configurare STONITH. E' importante notare che l'uso di STONITH è altamente consigliato, disabilitarlo indica al cluster di dare per scontato che i nodi falliti vengano spenti. Alcuni rivenditori potrebbero rifiutarsi di supportare cluster che hanno STONITH disabilitato." #. Tag: para #, fuzzy, no-c-format msgid "To disable STONITH, we set the stonith-enabled cluster option to false." msgstr "Per disabilitare STONITH è necessario impostare l'opzione stonith-enabled a false." #. Tag: programlisting #, no-c-format msgid "" "# pcs property set stonith-enabled=false\n" "# crm_verify -L" msgstr "" #. Tag: para #, no-c-format msgid "With the new cluster option set, the configuration is now valid." msgstr "Con la nuova opzione impostata la configurazione del cluster è ora valida." #. Tag: para #, no-c-format msgid "The use of stonith-enabled=false is completely inappropriate for a production cluster. We use it here to defer the discussion of its configuration which can differ widely from one installation to the next. See for information on why STONITH is important and details on how to configure it." msgstr "" #. Tag: title #, no-c-format msgid "Adding a Resource" msgstr "Aggiungere una risorsa" #. Tag: para #, fuzzy, no-c-format msgid "The first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.120 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds." msgstr "La prima cosa da fare è configurare un indirizzo IP. Indipendentemente da dove i servizi cluster stanno funzionando è necessario un indirizzo per raggiungerli. Verrà scelto ed aggiunto 192.168.122.101 come indirizzo virtuale, con il nome di ClusterIP e verrà indicato al cluster di controllarlo ogni 30 secondi." #. Tag: para #, no-c-format msgid "The chosen address must not be one already associated with a physical node" msgstr "L'indirizzo scelto non dovrà essere già associato ad un nodo fisico" #. Tag: screen #, no-c-format msgid "" "# pcs resource create ClusterIP ocf:heartbeat:IPaddr2 \\\n" " ip=192.168.0.120 cidr_netmask=32 op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "The other important piece of information here is ocf:heartbeat:IPaddr2." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script." msgstr "L'altra informazione presentata qui è ocf:heartbeat:IPaddr2. Esso comunica a Pacemaker tre informazioni in merito alla risorsa che viene aggiunta. Il primo campo, ocf, indica lo standard a cui lo script della risorsa si conforma e dove trovarlo. Il secondo campo è specifico delle risorse OCF e indica al cluster in quale namespace trovare lo script, in questo caso heartbeat. L'ultimo campo indica il nome dello script della risorsa." #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available resource standards (the ocf part of ocf:heartbeat:IPaddr2), run" msgstr "Per ottenere una lista delle classi di risorse disponibili, lanciare" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource standards\n" "ocf\n" "lsb\n" "service\n" "systemd\n" "stonith" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available ocf resource providers (the heartbeat part of ocf:heartbeat:IPaddr2), run" msgstr "Per ottenere una lista delle classi di risorse disponibili, lanciare" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource providers\n" "heartbeat\n" "linbit\n" "pacemaker\n" "redhat" msgstr "" #. Tag: para #, no-c-format msgid "Finally, if you want to see all the resource agents available for a specific ocf provider (the IPaddr2 part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource agents ocf:heartbeat\n" "AoEtarget\n" "AudibleAlarm\n" "CTDB\n" "ClusterMon\n" "Delay\n" "Dummy\n" ".\n" ". (skipping lots of resources to save space)\n" ".\n" "IPaddr2\n" ".\n" ".\n" ".\n" "symlink\n" "syslog-ng\n" "tomcat\n" "vmware" msgstr "" #. Tag: para #, no-c-format msgid "Now verify that the IP resource has been added and display the cluster’s status to see that it is now active." msgstr "A questo punto va verificato come la risorsa IP sia stata aggiunta e visualizzato lo stato del cluster per vedere che ora è attiva." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:17:00 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Perform a Failover" msgstr "Effettuare un Failover" #. Tag: para #, no-c-format msgid "Being a high-availability cluster, we should test failover of our new resource before moving on." msgstr "Trattandosi di un cluster ad alta-affidabilità, è necessario testare il failover della nostra nuova risorsa prima di proseguire." #. Tag: para #, no-c-format msgid "First, find the node on which the IP address is running." msgstr "Per prima cosa va identificato da quale nodo l'indirizzo IP è erogato" #. Tag: para #, fuzzy, no-c-format msgid "Shut down Pacemaker and Corosync on that machine." msgstr "Spegnere Corosync su questa macchina" #. Tag: programlisting #, no-c-format msgid "" "#pcs cluster stop pcmk-1\n" "Stopping Cluster..." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once Corosync is no longer running, go to the other node and check the cluster status." msgstr "Una volta che Corosync non sta più funzionando, è possibile verificare sull'altro nodo lo stato del cluster attraverso crm_mon." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:31:01 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Stopped" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There are three things to notice about the cluster’s current state. The first is that, as expected, pcmk-1 is now offline. However we can also see that ClusterIP isn’t running anywhere!" msgstr "Ci sono tre cose da evidenziare in merito all'attuale stato del cluster. La prima è che, come aspettato, pcmk-1 è ora offline. Ad ogni modo è possibile anche notare come ClusterIP non sta funzionando da nessuna parte!" #. Tag: title #, no-c-format msgid "Quorum and Two-Node Clusters" msgstr "Quorum e Cluster a due nodi" #. Tag: para #, fuzzy, no-c-format msgid "This is because the cluster no longer has quorum, as can be seen by the text \"partition WITHOUT quorum\" in the status output. In order to reduce the possibility of data corruption, Pacemaker’s default behavior is to stop all resources if the cluster does not have quorum." msgstr "Questo accade perché il cluster non ha più un quorum, come si può notare dalla scritta \"partition WITHOUT quorum\" (evidenziato in verde) nell'output mostrato. Il comportamento di default di Pacemaker nel caso in cui il cluster non abbia un quorum, al fine di ridurre la possibilità di corruzione di dati, prevede lo stop di tutte le risorse." #. Tag: para #, no-c-format msgid "A cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true:" msgstr "Un cluster viene definito con quorum quando più della metà dei nodi conosciuti o aspettati sono online o, attraverso la matematica, quando la seguente equazione è vera:" #. Tag: literallayout #, no-c-format msgid "total_nodes < 2 * active_nodes" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless Actually some would argue that two-node clusters are always pointless, but that is an argument for another time , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether." msgstr "Pertanto, un cluster a due nodi ha quorum solo quando entrambi i nodi sono in esecuzione, e questo non è più il caso del cluster d'esempio. Questo normalmente renderebbe la creazione di cluster a due nodi inutile Attualmente molti potrebbero puntualizzare che i cluster a due nodi sono sempre inutili, ma questo è argomento di future discussioni. , ad ogni modo è possibile controllare come Pacemaker gestisce la perdita di quorum. In particolare è possibile indicare al cluster di ignorare semplicemente l'assenza di quorum. " #. Tag: programlisting #, no-c-format msgid "" "# pcs property set no-quorum-policy=ignore\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "stonith-enabled: false\n" "no-quorum-policy: ignore" msgstr "" #. Tag: para #, no-c-format msgid "After a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum." msgstr "Dopo alcuni istanti il cluster avvierà l'indirizzo IP sui nodi rimanenti. E' da notare che il cluster non ha comunque il quorum." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:38:11 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status. Note, if you get an authentication error with the pcs cluster start pcmk-1 command, you must authenticate on the node using the pcs cluster auth pcmk pcmk-1 pcmk-2 command discussed earlier." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start pcmk-1\n" "Starting Cluster...\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:42:56 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "In the dark days, the cluster may have moved the IP back to its original location (pcmk-1). Usually this is no longer the case." msgstr "" #. Tag: title #, no-c-format msgid "Prevent Resources from Moving after Recovery" msgstr "Evitare che le risorse si muovano dopo il recovery" #. Tag: para #, fuzzy, no-c-format msgid "In most circumstances, it is highly desirable to prevent healthy resources from being moved around the cluster. Moving resources almost always requires a period of downtime. For complex services like Oracle databases, this period can be quite long." msgstr "In alcune circostanze è altamente desiderabile prevenire che risorse sane vengano mosse nel cluster. Lo spostamento delle risorse richiede in genere un periodo di downtime e per servizi complessi, come i database Oracle, tale periodo può essere piuttosto lungo." #. Tag: para #, fuzzy, no-c-format msgid "To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the \"cost\" of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve \"optimal\" It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes creates implicit preferences in situations where the administrator has not explicitly specified them resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default." msgstr "Per ovviare a questo Pacemaker possiede il concetto di resource stickiness, che controlla quanto un servizio preferisca rimanere dov'è. E' possibile associare il concetto al \"costo\" di ogni downtime. Pacemaker assume di default che non ci sia costo associato allo spostamento di una risorsa, questo per garantire un piazzamento delle risorse \"ottimale Va sottolineato che la definizione \"ottimale\" di Pacemaker potrebbe non sempre concordare con quella umana. L'ordine con cui Pacemaker processa la lista delle risorse e dei nodi crea preferenze implicite (richieste per creare soluzioni stabili) in situazioni dove l'amministratore non ha esplicitamente specificato qualcosa. ”. E' possibile specificare stickiness differenti per ogni risorsa, ma generalmente è sufficiente modificare il valore di default." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults resource-stickiness=100\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #~ msgid "To then find all the OCF resource agents provided by Pacemaker and Heartbeat, run" #~ msgstr "Per poi trovare tutte i resource agent OCF disponibili con Pacemaker ed Heartbeat, lanciare" #~ msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status." #~ msgstr "Viene quindi simulato il recovery del nodo attraverso il riavvio dello stack cluster su pcmk-1 ed il controllo dello stato del cluster." #~ msgid "Here we see something that some may consider surprising, the IP is back running at its original location!" #~ msgstr "Qui appare qualcosa che potrebbe sembrare sorprendente: l'IP è tornato attivo sul nodo originale!" #~ msgid "If we now retry the failover test, we see that as expected ClusterIP still moves to pcmk-2 when pcmk-1 is taken offline." #~ msgstr "Se ora si effettua nuovamente il test di failover si osserverà che come da pronostico ClusterIP verrà spostata su pcmk-2 quando pcmk-1 viene messo offline." #~ msgid "However when we bring pcmk-1 back online, ClusterIP now remains running on pcmk-2." #~ msgstr "Quando però pcmk-1 torna online ClusterIP rimane su pcmk-2." pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Apache.po000066400000000000000000000574631217637305600243720ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-03 12:16+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Apache - Adding More Services" msgstr "Apache - Aggiungere ulteriori servizi" #. Tag: title #, no-c-format msgid "Forward" msgstr "" #. Tag: para #, no-c-format msgid "Now that we have a basic but functional active/passive two-node cluster, we’re ready to add some real services. We’re going to start with Apache because its a feature of many clusters and relatively simple to configure." msgstr "Ora che è stato realizzato un semplice, ma funzionale cluster a due nodi active/passive, è tempo di aggiungere servizi reali. Si partirà con Apache poiché molti cluster lo includono ed è relativamente semplice da configurare. " #. Tag: title #, no-c-format msgid "Installation" msgstr "Installazione" #. Tag: para #, fuzzy, no-c-format msgid "Before continuing, we need to make sure Apache is installed on both hosts. We also need the wget tool in order for the cluster to be able to check the status of the Apache server." msgstr "Inoltre il cluster necessita del tool wget per assicurarsi la capacità di controllare lo stato del server Apache." #. Tag: programlisting #, no-c-format msgid "# yum install -y httpd wget" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "fedora/metalink | 2.6 kB 00:00\n" "updates/metalink | 3.2 kB 00:00\n" "updates-testing/metalink | 41 kB 00:00\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package httpd.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Processing Dependency: httpd-tools = 2.2.22-3.fc17 for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Running transaction check\n" "---> Package apr.x86_64 0:1.4.6-1.fc17 will be installed\n" "---> Package apr-util.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package apr-util-ldap.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package httpd-tools.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " httpd x86_64 2.2.22-3.fc17 updates-testing 823 k\n" " wget x86_64 1.13.4-2.fc17 fedora 495 k\n" "Installing for dependencies:\n" " apr x86_64 1.4.6-1.fc17 fedora 99 k\n" " apr-util x86_64 1.4.1-2.fc17 fedora 78 k\n" " apr-util-ldap x86_64 1.4.1-2.fc17 fedora 17 k\n" " httpd-tools x86_64 2.2.22-3.fc17 updates-testing 74 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 1 Package (+4 Dependent packages)\n" "\n" "Total download size: 1.1 M\n" "Installed size: 3.5 M\n" "Downloading Packages:\n" "(1/6): apr-1.4.6-1.fc17.x86_64.rpm | 99 kB 00:00\n" "(2/6): apr-util-1.4.1-2.fc17.x86_64.rpm | 78 kB 00:00\n" "(3/6): apr-util-ldap-1.4.1-2.fc17.x86_64.rpm | 17 kB 00:00\n" "(4/6): httpd-2.2.22-3.fc17.x86_64.rpm | 823 kB 00:01\n" "(5/6): httpd-tools-2.2.22-3.fc17.x86_64.rpm | 74 kB 00:00\n" "(6/6): wget-1.13.4-2.fc17.x86_64.rpm | 495 kB 00:01\n" "-------------------------------------------------------------------------------------\n" "Total 238 kB/s | 1.1 MB 00:04\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : apr-1.4.6-1.fc17.x86_64 1/6\n" " Installing : apr-util-1.4.1-2.fc17.x86_64 2/6\n" " Installing : apr-util-ldap-1.4.1-2.fc17.x86_64 3/6\n" " Installing : httpd-tools-2.2.22-3.fc17.x86_64 4/6\n" " Installing : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Installing : wget-1.13.4-2.fc17.x86_64 6/6\n" " Verifying : apr-util-ldap-1.4.1-2.fc17.x86_64 1/6\n" " Verifying : httpd-tools-2.2.22-3.fc17.x86_64 2/6\n" " Verifying : apr-util-1.4.1-2.fc17.x86_64 3/6\n" " Verifying : apr-1.4.6-1.fc17.x86_64 4/6\n" " Verifying : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Verifying : wget-1.13.4-2.fc17.x86_64 6/6\n" "\n" "Installed:\n" " httpd.x86_64 0:2.2.22-3.fc17 wget.x86_64 0:1.13.4-2.fc17\n" "\n" "Dependency Installed:\n" " apr.x86_64 0:1.4.6-1.fc17 apr-util.x86_64 0:1.4.1-2.fc17\n" " apr-util-ldap.x86_64 0:1.4.1-2.fc17 httpd-tools.x86_64 0:2.2.22-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Preparazione" #. Tag: para #, no-c-format msgid "First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we’ll create an index file there." msgstr "Prima di tutto è necessario creare la pagina che Apache servirà. Su Fedora la docroot di default di Apache è /var/www/html, qui verrà creato il file index." #. Tag: programlisting #, no-c-format msgid "" "# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" "END" msgstr "" #. Tag: para #, no-c-format msgid "For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2." msgstr "Per il momento l'architettura verrà semplificata in modo da servire unicamente un sito statico e sincronizzare manualmente i dati tra i due nodi. Quindi lo stesso comando andrà lanciato su pcmk-2." #. Tag: programlisting #, no-c-format msgid "" "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END" msgstr "" #. Tag: title #, no-c-format msgid "Enable the Apache status URL" msgstr "" #. Tag: para #, no-c-format msgid "In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in /etc/httpd/conf/httpd.conf and make sure it is not disabled or commented out:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>" msgstr "" #. Tag: title #, no-c-format msgid "Update the Configuration" msgstr "Aggiornare la configurazione" #. Tag: para #, fuzzy, no-c-format msgid "At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2 , the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running." msgstr "A questo punto Apache è pronto a funzionare, non rimane che aggiungere il servizio al cluster. La risorsa sarà nominata WebSite. Verrà utilizzato uno script OCF chiamato apache all'interno del namespace heartbeat Confrontare la chiave usata qui ocf:heartbeat:apache con quella usata in precedenza per l'indirizzo IP: ocf:heartbeat:IPaddr2 , l'unico altro parametro richiesto è il path al file di configurazione principale di Apache, inoltre verrà indicato al cluster di controllare una volta al minuto che il servizio apache sia in esecuzione." #. Tag: screen #, no-c-format msgid "" "pcs resource create WebSite ocf:heartbeat:apache \\\n" " configfile=/etc/httpd/conf/httpd.conf \\\n" " statusurl=\"http://localhost/server-status\" op monitor interval=1min" msgstr "" #. Tag: para #, no-c-format msgid "By default, the operation timeout for all resource’s start, stop, and monitor operations is 20 seconds. In many cases this timeout period is less than the advised timeout period. For the purposes of this tutorial, we will adjust the global operation timeout default to 240 seconds." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource op defaults timeout=240s\n" "# pcs resource op defaults\n" "timeout: 240s" msgstr "" #. Tag: para #, no-c-format msgid "After a short delay, we should see the cluster start apache" msgstr "Dopo una breve attesa il cluster dovrbbe avviare apache" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:51:27 2012\n" "Last change: Fri Sep 14 10:50:46 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: para #, no-c-format msgid "Wait a moment, the WebSite resource isn’t running on the same host as our IP address!" msgstr "Attenzione però, la risorsa WebSite non sta girando sullo stesso host dell'indirizzo IP!" #. Tag: para #, no-c-format msgid "If, in the pcs status output, you see the WebSite resource has failed to start, then you’ve likely not enabled the status URL correctly. You can check if this is the problem by running:" msgstr "" #. Tag: literallayout #, no-c-format msgid "wget http://127.0.0.1/server-status" msgstr "" #. Tag: para #, no-c-format msgid "If you see Connection refused in the output, then this is indeed the problem. Check to ensure that Allow from 127.0.0.1 is present for the <Location /server-status> block." msgstr "" #. Tag: title #, no-c-format msgid "Ensuring Resources Run on the Same Host" msgstr "Assicurarsi che le risorse funzionino sullo stesso host" #. Tag: para #, fuzzy, no-c-format msgid "To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on." msgstr "Per ridurre il carico su ogni macchina, Pacemaker generalmente tende a distribuire le risorse configurate sui nodi. E' possibile comunicare al cluster che due risorse sono relazionate e necessitano di funzionare sullo stesso host (oppure no). A questo punto il cluster verrà istruito in merito al fatto che WebSite può solamente funzionare sull'host che eroga ClusterIP. Se ClusterIP non è attiva in nessun nodo, a WebSite non verrà permesso di funzionare ovunque." #. Tag: para #, no-c-format msgid "To achieve this we use a colocation constraint that indicates it is mandatory for WebSite to run on the same node as ClusterIP. The \"mandatory\" part of the colocation constraint is indicated by using a score of INFINITY. The INFINITY score also means that if ClusterIP is not active anywhere, WebSite will not be permitted to run." msgstr "" #. Tag: para #, no-c-format msgid "If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere." msgstr "" #. Tag: para #, no-c-format msgid "Colocation constraints are \"directional\", in that they imply certain things about the order in which the two resources will have a location chosen. In this case we’re saying WebSite needs to be placed on the same machine as ClusterIP, this implies that we must know the location of ClusterIP before choosing a location for WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint colocation add WebSite ClusterIP INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:00:44 2012\n" "Last change: Fri Sep 14 11:00:25 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: title #, no-c-format msgid "Controlling Resource Start/Stop Ordering" msgstr "Controllare l'ordinamento di start e stop di una risorsa" #. Tag: para #, fuzzy, no-c-format msgid "When Apache starts, it binds to the available IP addresses. It doesn’t know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint." msgstr "Quando Apache si avvia, effettua l'associazione con gli indirizzi IP disponibili. Questo implica che non sarà a conoscenza di indirizzi aggiunti successivamente, quindi è necessario assicurarsi che ClusterIP sia attiva prima di avviare WebSite. Questo è possibile attraverso una ordering constraint. A questa verrà assegnato un nome (scelto in maniera descrittiva, come apache-after-ip), indicato che è obbligatoria (in modo che qualsiasi recovery per ClusterIP implicherà il recovery di WebSite) ed al suo interno verrà definito che l'ordine per l'avvio dei servizi è quello indicato." #. Tag: para #, no-c-format msgid "By default all order constraints are mandatory constraints unless otherwise configured. This means that the recovery of ClusterIP will also trigger the recovery of WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint order ClusterIP then WebSite\n" "Adding ClusterIP WebSite (kind: Mandatory) (Options: first-action=start then-action=start)\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: title #, no-c-format msgid "Specifying a Preferred Location" msgstr "Specificare una Location preferita" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint." msgstr "Pacemaker non si basa su una sorta di simmetria tra i nodi hardware, quindi si potrebbe prevedere di avere anche una macchina più potente di un'altra. In questi casi ha senso erogare le risorse su questa macchina, se è disponibile. Per fare ciò viene creata una location constraint. Anche in questo caso viene assegnato un nome descrittivo (prefer-pcmk-1), specificata la risorsa che girerà qui (WebSite), quanto peso avrà per girare qui (verrà utilizzato 50, ma in una situazione a due nodi ogni valore superiore allo 0 andrà bene) ed il nome dell'host." #. Tag: para #, no-c-format msgid "In the location constraint below, we are saying the WebSite resource prefers the node pcmk-1 with a score of 50. The score here indicates how badly we’d like the resource to run somewhere." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=50\n" "# pcs constraint\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:50)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "Last updated: Fri Sep 14 11:06:37 2012\n" "Last change: Fri Sep 14 11:06:26 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Wait a minute, the resources are still on pcmk-2!" msgstr "Attenzione però, le risorse sono comunque su pcmk-2!" #. Tag: para #, no-c-format msgid "Even though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime)." msgstr "Anche se al momento viene preferito pcmk-1 a pcmk-2, questa preferenza è (intenzionalmente) minore dello stickiness della risorsa (quanto è stato preferito non avere un downtime superfluo)." #. Tag: para #, fuzzy, no-c-format msgid "To see the current placement scores, you can use a tool called crm_simulate" msgstr "Per osservare gli attuali punteggi di piazzamento è possibile usare un tool denominato ptest" #. Tag: programlisting #, no-c-format msgid "" "# crm_simulate -sL\n" "Current cluster status:\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" " ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf:heartbeat:apache): Started pcmk-2\n" "\n" "Allocation scores:\n" "native_color: ClusterIP allocation score on pcmk-1: 50\n" "native_color: ClusterIP allocation score on pcmk-2: 200\n" "native_color: WebSite allocation score on pcmk-1: -INFINITY\n" "native_color: WebSite allocation score on pcmk-2: 100\n" "\n" "Transition Summary:" msgstr "" #. Tag: title #, no-c-format msgid "Manually Moving Resources Around the Cluster" msgstr "Spostamento manuale delle risorse all'interno del cluster" #. Tag: para #, fuzzy, no-c-format msgid "There are always times when an administrator needs to override the cluster and force resources to move to a specific location. By updating our previous location constraint with a score of INFINITY, WebSite will be forced to move to pcmk-1." msgstr "C'è sempre la necessità da parte di un amministratore di soprassedere il cluster e forzare le risorse a spostarsi in una posizione specifica. E' possibile ignorare felicemente le location constraint create sopra, fornendo il nome della risorsa che si vuole spostare e la destinazione della stessa, il comando farà il resto." #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=INFINITY\n" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:16:26 2012\n" "Last change: Fri Sep 14 11:16:18 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Giving Control Back to the Cluster" msgstr "Restituire il controllo nuovamente al cluster" #. Tag: para #, no-c-format msgid "Once we’ve finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1." msgstr "Una volta terminata una qualsiasi attività che richiede lo spostamento della risorsa in pcmk-1, in questo caso nessuna, è possibile consentire al cluster di riprendere le normali operazioni con il comando unmove. Dal momento che in precedenza è stata configurata una default stickiness, la risorsa rimarra in pcmk-1." #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs constraint rm location-WebSite-pcmk-1-INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Note that the constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1." msgstr "E' da notare come la constraint automatizzata non esiste più. Se viene controllato lo stato del cluster è possibile osservare che, così come aspettato, le risorse sono ancora attiva su pcmk-1." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:57:12 2012\n" "Last change: Fri Sep 14 11:57:03 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #~ msgid "Before continuing, we need to make sure Apache is installed on both hosts." #~ msgstr "Prima di cominciare è necessario assicurarsi che Apache sia installato su entrambi gli host." #~ msgid "Include output" #~ msgstr "Output incluso" #~ msgid "There is a way to force them to move though..." #~ msgstr "Esiste un modo per spostare forzatamente le risorse..." #~ msgid "Highlighted is the automated constraint used to move the resources to pcmk-1" #~ msgstr "Viene evidenziata la constraint automatizzata utilizzata per spostare la risorsa in pcmk-1" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Installation.po000066400000000000000000002405521217637305600256430ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-16 17:16+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "Installazione" #. Tag: title #, no-c-format msgid "OS Installation" msgstr "Installazione del sistema operativo" #. Tag: para #, fuzzy, no-c-format msgid "Detailed instructions for installing Fedora are available at http://docs.fedoraproject.org/en-US/Fedora/17/html/Installation_Guide/ in a number of languages. The abbreviated version is as follows…" msgstr "Informazioni dettagliate su come installare Fedora sono disponibili presso http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/ in numerose lingue. La versione abbreviata è la seguente..." #. Tag: para #, fuzzy, no-c-format msgid "Point your browser to http://fedoraproject.org/en/get-fedora-all, locate the Install Media section and download the install DVD that matches your hardware." msgstr "Puntando il browser al link http://fedoraproject.org/en/get-fedora-all, individuare la sezione Install Media e scaricare il DVD di installazione adatto al proprio hardware." #. Tag: para #, fuzzy, no-c-format msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/en-US/Fedora/16/html/Burning_ISO_images_to_disc/index.html and boot from it, or use the image to boot a virtual machine." msgstr "Assegnare un nome alla macchina. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html Il dominio utilizzato in questo progetto sarà clusterlabs.org." #. Tag: para #, no-c-format msgid "After clicking through the welcome screen, select your language, keyboard layout http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-keyboard-x86.html and storage type http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/Storage_Devices-x86.html" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Assign your machine a host name. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-Netconfig-x86.html I happen to control the clusterlabs.org domain name, so I will use that here." msgstr "Assegnare un nome alla macchina. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html Il dominio utilizzato in questo progetto sarà clusterlabs.org." #. Tag: para #, fuzzy, no-c-format msgid "Do not accept the default network settings. Cluster machines should never obtain an IP address via DHCP." msgstr "Non accettare i settaggi di default della rete. Le macchine cluster non devono MAI ottenere un indirizzo IP via DHCP. In questo caso verrà utilizzato gli indirizzi internal della rete clusterlab.org." #. Tag: para #, no-c-format msgid "When you are presented with the Configure Network advanced option, select that option before continuing with the installation process to specify a fixed IPv4 address for System eth0. Be sure to also enter the Routes section and add an entry for your default gateway." msgstr "" #. Tag: phrase #, no-c-format msgid "Custom network settings" msgstr "" #. Tag: para #, no-c-format msgid "If you miss this step, this can easily be configured after installation. You will have to navigate to system settings and select network. From there you can select what device to configure." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "You will then be prompted to indicate the machine’s physical location http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-timezone-x86.html and to supply a root password. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-account_configuration-x86.html" msgstr "Verrà poi richiesto di indicare la locazione fisica della macchina ed una password di root. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-account_configuration.html " #. Tag: para #, fuzzy, no-c-format msgid "Now select where you want Fedora installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-diskpartsetup-x86.html As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive." msgstr "Selezionare dove Fedora verrà installata. http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html Non viene prestato nessun controllo sui dati esistenti, accettando le ozioni di default che prevedono Fedora utilizzi l'intero disco. Ad ogni modo verrà riservato dello spazio per DRBD, verrà quindi selezionata la casella Review and modify partitioning layout." #. Tag: para #, no-c-format msgid "By default Fedora uses LVM for partitioning which allows us to dynamically change the amount of space allocated to a given partition." msgstr "" #. Tag: para #, no-c-format msgid "However, by default it also allocates all free space to the / (aka. root) partition which cannot be dynamically reduced in size (dynamic increases are fine by-the-way)." msgstr "" #. Tag: para #, no-c-format msgid "So if you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume. To do so select the Review and modify partitioning layout checkbox before clicking Next. You will then be given an opportunity to reduce the size of the root partition." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next choose which software should be installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-pkgselection-x86.html Change the selection to Minimal so that we see everything that gets installed. Don’t enable updates yet, we’ll do that (and install any extra software we need) later. After you click next, Fedora will begin installing." msgstr "Scegliere quindi quale software si vorrà installare. Cambiare la selezione a Web Server dal momento che si ha in programma di usare Apache. Non abilitare gli aggiornamenti, questo verrà fatto (insieme all'installazione di ulteriore software extra necessario) dopo. Dopo aver cliccato next, Fedora si installerà." #. Tag: para #, fuzzy, no-c-format msgid "Go grab something to drink, this may take a while." msgstr "Installazione di Fedora: Prendere qualcosa da bere, questa parte dura abbastanza" #. Tag: para #, no-c-format msgid "Once the node reboots, you’ll see a (possibly mangled) login prompt on the console. Login using root and the password you created earlier." msgstr "" #. Tag: phrase #, no-c-format msgid "Initial Console" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "From here on in we’re going to be working exclusively from the terminal." msgstr "Questa era l'ultima schermata, da qui in poi il lavoro verrà effettuato da terminale." #. Tag: title #, fuzzy, no-c-format msgid "Post Installation Tasks" msgstr "Installazione" #. Tag: title #, fuzzy, no-c-format msgid "Networking" msgstr "Definire la rete" #. Tag: para #, no-c-format msgid "Bring up the network and ensure it starts at boot" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# service network start\n" "# chkconfig network on" msgstr "" #. Tag: para #, no-c-format msgid "Check the machine has the static IP address you configured earlier" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ip addr\n" "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN\n" " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" " inet 127.0.0.1/8 scope host lo\n" " inet6 ::1/128 scope host\n" " valid_lft forever preferred_lft forever\n" "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n" " link/ether 52:54:00:d7:d6:08 brd ff:ff:ff:ff:ff:ff\n" " inet 192.168.122.101/24 brd 192.168.122.255 scope global eth0\n" " inet6 fe80::5054:ff:fed7:d608/64 scope link\n" " valid_lft forever preferred_lft forever" msgstr "" #. Tag: para #, no-c-format msgid "Now check the default route setting:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "[root@pcmk-1 ~]# ip route\n" "default via 192.168.122.1 dev eth0\n" "192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.101" msgstr "" #. Tag: para #, no-c-format msgid "If there is no line beginning with default via, then you may need to add a line such as" msgstr "" #. Tag: programlisting #, no-c-format msgid "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "to /etc/sysconfig/network and restart the network." msgstr "" #. Tag: para #, no-c-format msgid "Now check for connectivity to the outside world. Start small by testing if we can read the gateway we configured." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 1 192.168.122.1\n" "PING 192.168.122.1 (192.168.122.1) 56(84) bytes of data.\n" "64 bytes from 192.168.122.1: icmp_req=1 ttl=64 time=0.249 ms\n" "\n" "--- 192.168.122.1 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 0.249/0.249/0.249/0.000 ms" msgstr "" #. Tag: para #, no-c-format msgid "Now try something external, choose a location you know will be available." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 1 www.google.com\n" "PING www.l.google.com (173.194.72.106) 56(84) bytes of data.\n" "64 bytes from tf-in-f106.1e100.net (173.194.72.106): icmp_req=1 ttl=41 time=167 ms\n" "\n" "--- www.l.google.com ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 167.618/167.618/167.618/0.000 ms" msgstr "" #. Tag: title #, no-c-format msgid "Leaving the Console" msgstr "" #. Tag: para #, no-c-format msgid "The console isn’t a very friendly place to work from, we will now switch to accessing the machine remotely via SSH where we can use copy&paste etc." msgstr "" #. Tag: para #, no-c-format msgid "First we check we can see the newly installed at all:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "beekhof@f16 ~ # ping -c 1 192.168.122.101\n" "PING 192.168.122.101 (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from 192.168.122.101: icmp_req=1 ttl=64 time=1.01 ms\n" "\n" "--- 192.168.122.101 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 1.012/1.012/1.012/0.000 ms" msgstr "" #. Tag: para #, no-c-format msgid "Next we login via SSH" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "beekhof@f16 ~ # ssh -l root 192.168.122.11\n" "root@192.168.122.11's password:\n" "Last login: Fri Mar 30 19:41:19 2012 from 192.168.122.1\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: title #, no-c-format msgid "Security Shortcuts" msgstr "Considerazioni sulla sicurezza" #. Tag: para #, fuzzy, no-c-format msgid "To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation." msgstr "Per semplificare questa guida e focalizzare gli aspetti direttamente correlati al custering sarà necessario disabilitare il firewall della macchina e l'installazione di SELinux. Entrambe queste azioni creano limiti nella sicurezza e non dovrebbero essere applicate a macchine esposte al mondo." #. Tag: para #, fuzzy, no-c-format msgid "Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world." msgstr "Per semplificare questa guida e focalizzare gli aspetti direttamente correlati al custering sarà necessario disabilitare il firewall della macchina e l'installazione di SELinux. Entrambe queste azioni creano limiti nella sicurezza e non dovrebbero essere applicate a macchine esposte al mondo." #. Tag: literallayout #, no-c-format msgid "TODO: Create an Appendix that deals with (at least) re-enabling the firewall." msgstr "TODO: Creare un Appendice che valuti (almeno) la riabilitazione del firewall." #. Tag: programlisting #, no-c-format msgid "" "# setenforce 0\n" "# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" "# systemctl disable iptables.service\n" "# rm '/etc/systemd/system/basic.target.wants/iptables.service'\n" "# systemctl stop iptables.service" msgstr "" #. Tag: title #, no-c-format msgid "Short Node Names" msgstr "Nomi di nodi abbreviati" #. Tag: para #, fuzzy, no-c-format msgid "During installation, we filled in the machine’s fully qualifier domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself: Nodesshort name short name " msgstr "Durante l'installazione è stato inserito il fully qualifier domain name (FQDN) della macchina che può essere particolarmente lungo all'interno dei log del cluster e nella visualizzazione del suo stato. Verificare come la macchina si identifica:" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1.clusterlabs.org\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Query) Domain name (Query) " msgstr "" #. Tag: para #, no-c-format msgid "The output from the second command is fine, but we really don’t need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start." msgstr "L'output del secondo comando è corretto, ma non è necessario il nome del dominio incluso nei dettagli essenziali dell'host. Per risolvere la situazione è necessario modificare il file /etc/sysconfig/netwirk. Ecco come dovrà apparire." #. Tag: programlisting #, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "All we need to do now is strip off the domain name portion, which is stored elsewhere anyway." msgstr "L'unica cosa da fare sarà di rimuovere la parte relativa al nome del dominio, che rimarrà comunque registrata altrove." #. Tag: programlisting #, no-c-format msgid " # sed -i.sed 's/\\.[a-z].*//g' /etc/sysconfig/network" msgstr "" #. Tag: para #, no-c-format msgid "Now confirm the change was successful. The revised file contents should look something like this." msgstr "Per verificare l'efficacia dei cambiamenti apportati il contenuto del file dovrà essere simile a quanto riportato." #. Tag: programlisting #, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "However we’re not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update." msgstr "Ma non è ancora finita. La macchina non sarà allineata con i nomi abbreviati finché non verrà riavviata, ma è possibile forzare l'aggiornamento." #. Tag: programlisting #, no-c-format msgid "" "# source /etc/sysconfig/network\n" "# hostname $HOSTNAME" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Remove from host name) Domain name (Remove from host name) " msgstr "" #. Tag: para #, no-c-format msgid "Now check the machine is using the correct names" msgstr "E' possibile quindi verificare che la macchina utilizzi il nome corretto" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: title #, no-c-format msgid "NTP" msgstr "" #. Tag: para #, no-c-format msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier. http://docs.fedoraproject.org/en-US/Fedora/17/html-single/System_Administrators_Guide/index.html#ch-Configuring_the_Date_and_Time" msgstr "" #. Tag: title #, no-c-format msgid "Before You Continue" msgstr "Prima di continuare" #. Tag: para #, fuzzy, no-c-format msgid "Repeat the Installation steps so far, so that you have two Fedora nodes ready to have the cluster software installed." msgstr "Ripetere i passi dell'installazione così da avere due nodi Fedora con il software cluster installato." #. Tag: para #, fuzzy, no-c-format msgid "For the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.102." msgstr "Per rispettae gli obiettivi di questa documentazione il nodo aggiuntivo verrà chiamato pcmk-2 con indirizzo 192.168.122.42." #. Tag: title #, no-c-format msgid "Finalize Networking" msgstr "Definire la rete" #. Tag: para #, fuzzy, no-c-format msgid "Confirm that you can communicate between the two new nodes:" msgstr "Verificare la reciproca comunicazione dei due nodi:" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the two machines. Otherwise, you’ll need to add the machines to /etc/hosts . Below are the entries for my cluster nodes:" msgstr "Ora è necessario avere la certezza che i nodi possano comunicare fra loro attraverso il nome. Se si possiede un server DNS andranno aggiunti i nomi delle tre macchine. In alternativa i nomi andranno aggiunti in /etc/hosts. Ecco riportate le impostazioni sui nodi cluster del progetto:" #. Tag: programlisting #, no-c-format msgid "" "# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "We can now verify the setup by again using ping:" msgstr "Ora è possibile verificare il setup usando nuovamente ping:" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms" msgstr "" #. Tag: title #, no-c-format msgid "Configure SSH" msgstr "Configuarazione di SSH" #. Tag: para #, fuzzy, no-c-format msgid "SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N option) so that we can perform remote actions without being prompted." msgstr "SSH rappresenta una via conveniente e sicura per copiare file e lanciare comandi remotamente. Per raggiungere l'obiettivo di questa guida, verrà creata una chiave senza password (utilizzando l'opzione -N) in modo da poter eseguire comandi remoti senza che venga mostrato il prompt." #. Tag: para #, no-c-format msgid " SSH " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world. We use them here only to simplify the demo." msgstr "Chiavi SSH non protette, senza una password, non sono raccomandate per server esposti al mondo." #. Tag: para #, no-c-format msgid "Create a new key and allow anyone with that key to log in:" msgstr "Creazione di una nuova chiave ed abilitazione al proprietario della chiave di effettuare login:" #. Tag: title #, no-c-format msgid "Creating and Activating a new SSH Key" msgstr "Creazione ed attivazione di una nuova chiave SSH" #. Tag: programlisting #, no-c-format msgid "" "# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "\n" "# cp .ssh/id_dsa.pub .ssh/authorized_keys" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Creating and Activating a new SSH Key " msgstr "Creazione ed attivazione di una nuova chiave SSH" #. Tag: para #, no-c-format msgid "Install the key on the other nodes and test that you can now run commands remotely, without being prompted" msgstr "Installare la chiave sull'altro nodo e verificare come sia possibile lanciare comandi remotamente, senza ricevere prompt" #. Tag: title #, no-c-format msgid "Installing the SSH Key on Another Host" msgstr "Installare la chiave SSH su un altro host" #. Tag: programlisting #, no-c-format msgid "" "# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.root@pcmk-2's password:\n" "id_dsa.pub 100% 616 0.6KB/s 00:00\n" "id_dsa 100% 672 0.7KB/s 00:00\n" "known_hosts 100% 400 0.4KB/s 00:00\n" "authorized_keys 100% 616 0.6KB/s 00:00\n" "# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "#" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Software Installation" msgstr "Installazione del software cluster" #. Tag: title #, no-c-format msgid "Install the Cluster Software" msgstr "Installazione del software cluster" #. Tag: para #, no-c-format msgid "Since version 12, Fedora comes with recent versions of everything you need, so simply fire up the shell and run:" msgstr "Dalla versione 12, Fedora fornisce versioni recenti di tutto quanto si necessita, quindi avviando la shell lanciare:" #. Tag: programlisting #, no-c-format msgid "# yum install -y pacemaker corosync" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "fedora/metalink | 38 kB 00:00\n" "fedora | 4.2 kB 00:00\n" "fedora/primary_db | 14 MB 00:21\n" "updates/metalink | 2.7 kB 00:00\n" "updates | 2.6 kB 00:00\n" "updates/primary_db | 1.2 kB 00:00\n" "updates-testing/metalink | 28 kB 00:00\n" "updates-testing | 4.5 kB 00:00\n" "updates-testing/primary_db | 4.5 MB 00:12\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package corosync.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: corosynclib = 1.99.9-1.fc17 for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libxslt for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4(COROSYNC_CMAP_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libtotem_pg.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libqb.so.0()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libnetsnmp.so.30()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcorosync_common.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "---> Package pacemaker.x86_64 0:1.1.7-2.fc17 will be installed\n" "--> Processing Dependency: pacemaker-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cluster-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cli = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: resource-agents for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: perl(Getopt::Long) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26(GNUTLS_1_4)(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: /usr/bin/perl for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_status.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libltdl.so.7()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Running transaction check\n" "---> Package cluster-glue.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "---> Package cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "---> Package corosynclib.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "---> Package gnutls.x86_64 0:2.12.17-1.fc17 will be installed\n" "--> Processing Dependency: libtasn1.so.3(LIBTASN1_0_3)(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libtasn1.so.3()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libp11-kit.so.0()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "---> Package libqb.x86_64 0:0.11.1-1.fc17 will be installed\n" "---> Package libtool-ltdl.x86_64 0:2.4.2-3.fc17 will be installed\n" "---> Package libxslt.x86_64 0:1.1.26-9.fc17 will be installed\n" "---> Package net-snmp-libs.x86_64 1:5.7.1-4.fc17 will be installed\n" "---> Package pacemaker-cli.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package perl.x86_64 4:5.14.2-211.fc17 will be installed\n" "--> Processing Dependency: perl-libs = 4:5.14.2-211.fc17 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) >= 1.21 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) >= 1.3 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) >= 1.10 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) >= 0.8 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-macros for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-libs for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(List::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Unix) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Functions) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Cwd) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Carp) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "---> Package resource-agents.x86_64 0:3.9.2-2.fc17.1 will be installed\n" "--> Processing Dependency: /usr/sbin/rpc.nfsd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/rpc.mountd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/ethtool for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/rpc.statd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotaon for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotacheck for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs4 for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.cifs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/fsck.xfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Running transaction check\n" "---> Package OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 will be installed\n" "---> Package cifs-utils.x86_64 0:5.3-2.fc17 will be installed\n" "--> Processing Dependency: libtalloc.so.2(TALLOC_2.0.2)(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: keyutils for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libwbclient.so.0()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libtalloc.so.2()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "---> Package ethtool.x86_64 2:3.2-2.fc17 will be installed\n" "---> Package libibverbs.x86_64 0:1.1.6-2.fc17 will be installed\n" "---> Package libnet.x86_64 0:1.1.5-3.fc17 will be installed\n" "---> Package librdmacm.x86_64 0:1.0.15-1.fc17 will be installed\n" "---> Package libtasn1.x86_64 0:2.12-1.fc17 will be installed\n" "---> Package nfs-utils.x86_64 1:1.2.5-12.fc17 will be installed\n" "--> Processing Dependency: rpcbind for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1(libgssapi_CITI_2)(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap.so.0()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "---> Package p11-kit.x86_64 0:0.12-1.fc17 will be installed\n" "---> Package perl-Carp.noarch 0:1.22-2.fc17 will be installed\n" "---> Package perl-Module-Pluggable.noarch 1:3.90-211.fc17 will be installed\n" "---> Package perl-PathTools.x86_64 0:3.33-211.fc17 will be installed\n" "---> Package perl-Pod-Simple.noarch 1:3.16-211.fc17 will be installed\n" "--> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.16-211.fc17.noarch\n" "---> Package perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 will be installed\n" "---> Package perl-Socket.x86_64 0:2.001-1.fc17 will be installed\n" "---> Package perl-TimeDate.noarch 1:1.20-6.fc17 will be installed\n" "---> Package perl-libs.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-macros.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-threads.x86_64 0:1.86-2.fc17 will be installed\n" "---> Package perl-threads-shared.x86_64 0:1.40-2.fc17 will be installed\n" "---> Package quota.x86_64 1:4.00-3.fc17 will be installed\n" "--> Processing Dependency: quota-nls = 1:4.00-3.fc17 for package: 1:quota-4.00-3.fc17.x86_64\n" "--> Processing Dependency: tcp_wrappers for package: 1:quota-4.00-3.fc17.x86_64\n" "---> Package xfsprogs.x86_64 0:3.1.8-1.fc17 will be installed\n" "--> Running transaction check\n" "---> Package keyutils.x86_64 0:1.5.5-2.fc17 will be installed\n" "---> Package libevent.x86_64 0:2.0.14-2.fc17 will be installed\n" "---> Package libgssglue.x86_64 0:0.3-1.fc17 will be installed\n" "---> Package libnfsidmap.x86_64 0:0.25-1.fc17 will be installed\n" "---> Package libtalloc.x86_64 0:2.0.7-4.fc17 will be installed\n" "---> Package libtirpc.x86_64 0:0.2.2-2.1.fc17 will be installed\n" "---> Package libwbclient.x86_64 1:3.6.3-81.fc17.1 will be installed\n" "---> Package perl-Pod-Escapes.noarch 1:1.04-211.fc17 will be installed\n" "---> Package quota-nls.noarch 1:4.00-3.fc17 will be installed\n" "---> Package rpcbind.x86_64 0:0.2.0-16.fc17 will be installed\n" "---> Package tcp_wrappers.x86_64 0:7.6-69.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " corosync x86_64 1.99.9-1.fc17 updates-testing 159 k\n" " pacemaker x86_64 1.1.7-2.fc17 updates-testing 362 k\n" "Installing for dependencies:\n" " OpenIPMI-libs x86_64 2.0.18-13.fc17 fedora 466 k\n" " cifs-utils x86_64 5.3-2.fc17 updates-testing 66 k\n" " cluster-glue x86_64 1.0.6-9.fc17.1 fedora 229 k\n" " cluster-glue-libs x86_64 1.0.6-9.fc17.1 fedora 121 k\n" " corosynclib x86_64 1.99.9-1.fc17 updates-testing 96 k\n" " ethtool x86_64 2:3.2-2.fc17 fedora 94 k\n" " gnutls x86_64 2.12.17-1.fc17 fedora 385 k\n" " keyutils x86_64 1.5.5-2.fc17 fedora 49 k\n" " libevent x86_64 2.0.14-2.fc17 fedora 160 k\n" " libgssglue x86_64 0.3-1.fc17 fedora 24 k\n" " libibverbs x86_64 1.1.6-2.fc17 fedora 44 k\n" " libnet x86_64 1.1.5-3.fc17 fedora 54 k\n" " libnfsidmap x86_64 0.25-1.fc17 fedora 34 k\n" " libqb x86_64 0.11.1-1.fc17 updates-testing 68 k\n" " librdmacm x86_64 1.0.15-1.fc17 fedora 27 k\n" " libtalloc x86_64 2.0.7-4.fc17 fedora 22 k\n" " libtasn1 x86_64 2.12-1.fc17 updates-testing 319 k\n" " libtirpc x86_64 0.2.2-2.1.fc17 fedora 78 k\n" " libtool-ltdl x86_64 2.4.2-3.fc17 fedora 45 k\n" " libwbclient x86_64 1:3.6.3-81.fc17.1 updates-testing 68 k\n" " libxslt x86_64 1.1.26-9.fc17 fedora 416 k\n" " net-snmp-libs x86_64 1:5.7.1-4.fc17 fedora 713 k\n" " nfs-utils x86_64 1:1.2.5-12.fc17 fedora 311 k\n" " p11-kit x86_64 0.12-1.fc17 updates-testing 36 k\n" " pacemaker-cli x86_64 1.1.7-2.fc17 updates-testing 368 k\n" " pacemaker-cluster-libs x86_64 1.1.7-2.fc17 updates-testing 77 k\n" " pacemaker-libs x86_64 1.1.7-2.fc17 updates-testing 322 k\n" " perl x86_64 4:5.14.2-211.fc17 fedora 10 M\n" " perl-Carp noarch 1.22-2.fc17 fedora 17 k\n" " perl-Module-Pluggable noarch 1:3.90-211.fc17 fedora 47 k\n" " perl-PathTools x86_64 3.33-211.fc17 fedora 105 k\n" " perl-Pod-Escapes noarch 1:1.04-211.fc17 fedora 40 k\n" " perl-Pod-Simple noarch 1:3.16-211.fc17 fedora 223 k\n" " perl-Scalar-List-Utils x86_64 1.25-1.fc17 updates-testing 33 k\n" " perl-Socket x86_64 2.001-1.fc17 updates-testing 44 k\n" " perl-TimeDate noarch 1:1.20-6.fc17 fedora 43 k\n" " perl-libs x86_64 4:5.14.2-211.fc17 fedora 628 k\n" " perl-macros x86_64 4:5.14.2-211.fc17 fedora 32 k\n" " perl-threads x86_64 1.86-2.fc17 fedora 47 k\n" " perl-threads-shared x86_64 1.40-2.fc17 fedora 36 k\n" " quota x86_64 1:4.00-3.fc17 fedora 160 k\n" " quota-nls noarch 1:4.00-3.fc17 fedora 74 k\n" " resource-agents x86_64 3.9.2-2.fc17.1 fedora 466 k\n" " rpcbind x86_64 0.2.0-16.fc17 fedora 52 k\n" " tcp_wrappers x86_64 7.6-69.fc17 fedora 72 k\n" " xfsprogs x86_64 3.1.8-1.fc17 updates-testing 715 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 2 Packages (+46 Dependent packages)\n" "\n" "Total download size: 18 M\n" "Installed size: 59 M\n" "Downloading Packages:\n" "(1/48): OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm | 466 kB 00:00\n" "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 1aca3465: NOKEY\n" "Public key for OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm is not installed\n" "(2/48): cifs-utils-5.3-2.fc17.x86_64.rpm | 66 kB 00:01\n" "Public key for cifs-utils-5.3-2.fc17.x86_64.rpm is not installed\n" "(3/48): cluster-glue-1.0.6-9.fc17.1.x86_64.rpm | 229 kB 00:00\n" "(4/48): cluster-glue-libs-1.0.6-9.fc17.1.x86_64.rpm | 121 kB 00:00\n" "(5/48): corosync-1.99.9-1.fc17.x86_64.rpm | 159 kB 00:01\n" "(6/48): corosynclib-1.99.9-1.fc17.x86_64.rpm | 96 kB 00:00\n" "(7/48): ethtool-3.2-2.fc17.x86_64.rpm | 94 kB 00:00\n" "(8/48): gnutls-2.12.17-1.fc17.x86_64.rpm | 385 kB 00:00\n" "(9/48): keyutils-1.5.5-2.fc17.x86_64.rpm | 49 kB 00:00\n" "(10/48): libevent-2.0.14-2.fc17.x86_64.rpm | 160 kB 00:00\n" "(11/48): libgssglue-0.3-1.fc17.x86_64.rpm | 24 kB 00:00\n" "(12/48): libibverbs-1.1.6-2.fc17.x86_64.rpm | 44 kB 00:00\n" "(13/48): libnet-1.1.5-3.fc17.x86_64.rpm | 54 kB 00:00\n" "(14/48): libnfsidmap-0.25-1.fc17.x86_64.rpm | 34 kB 00:00\n" "(15/48): libqb-0.11.1-1.fc17.x86_64.rpm | 68 kB 00:01\n" "(16/48): librdmacm-1.0.15-1.fc17.x86_64.rpm | 27 kB 00:00\n" "(17/48): libtalloc-2.0.7-4.fc17.x86_64.rpm | 22 kB 00:00\n" "(18/48): libtasn1-2.12-1.fc17.x86_64.rpm | 319 kB 00:02\n" "(19/48): libtirpc-0.2.2-2.1.fc17.x86_64.rpm | 78 kB 00:00\n" "(20/48): libtool-ltdl-2.4.2-3.fc17.x86_64.rpm | 45 kB 00:00\n" "(21/48): libwbclient-3.6.3-81.fc17.1.x86_64.rpm | 68 kB 00:00\n" "(22/48): libxslt-1.1.26-9.fc17.x86_64.rpm | 416 kB 00:00\n" "(23/48): net-snmp-libs-5.7.1-4.fc17.x86_64.rpm | 713 kB 00:01\n" "(24/48): nfs-utils-1.2.5-12.fc17.x86_64.rpm | 311 kB 00:00\n" "(25/48): p11-kit-0.12-1.fc17.x86_64.rpm | 36 kB 00:01\n" "(26/48): pacemaker-1.1.7-2.fc17.x86_64.rpm | 362 kB 00:02\n" "(27/48): pacemaker-cli-1.1.7-2.fc17.x86_64.rpm | 368 kB 00:02\n" "(28/48): pacemaker-cluster-libs-1.1.7-2.fc17.x86_64.rpm | 77 kB 00:00\n" "(29/48): pacemaker-libs-1.1.7-2.fc17.x86_64.rpm | 322 kB 00:01\n" "(30/48): perl-5.14.2-211.fc17.x86_64.rpm | 10 MB 00:15\n" "(31/48): perl-Carp-1.22-2.fc17.noarch.rpm | 17 kB 00:00\n" "(32/48): perl-Module-Pluggable-3.90-211.fc17.noarch.rpm | 47 kB 00:00\n" "(33/48): perl-PathTools-3.33-211.fc17.x86_64.rpm | 105 kB 00:00\n" "(34/48): perl-Pod-Escapes-1.04-211.fc17.noarch.rpm | 40 kB 00:00\n" "(35/48): perl-Pod-Simple-3.16-211.fc17.noarch.rpm | 223 kB 00:00\n" "(36/48): perl-Scalar-List-Utils-1.25-1.fc17.x86_64.rpm | 33 kB 00:01\n" "(37/48): perl-Socket-2.001-1.fc17.x86_64.rpm | 44 kB 00:00\n" "(38/48): perl-TimeDate-1.20-6.fc17.noarch.rpm | 43 kB 00:00\n" "(39/48): perl-libs-5.14.2-211.fc17.x86_64.rpm | 628 kB 00:00\n" "(40/48): perl-macros-5.14.2-211.fc17.x86_64.rpm | 32 kB 00:00\n" "(41/48): perl-threads-1.86-2.fc17.x86_64.rpm | 47 kB 00:00\n" "(42/48): perl-threads-shared-1.40-2.fc17.x86_64.rpm | 36 kB 00:00\n" "(43/48): quota-4.00-3.fc17.x86_64.rpm | 160 kB 00:00\n" "(44/48): quota-nls-4.00-3.fc17.noarch.rpm | 74 kB 00:00\n" "(45/48): resource-agents-3.9.2-2.fc17.1.x86_64.rpm | 466 kB 00:00\n" "(46/48): rpcbind-0.2.0-16.fc17.x86_64.rpm | 52 kB 00:00\n" "(47/48): tcp_wrappers-7.6-69.fc17.x86_64.rpm | 72 kB 00:00\n" "(48/48): xfsprogs-3.1.8-1.fc17.x86_64.rpm | 715 kB 00:03\n" "----------------------------------------------------------------------------------------\n" "Total 333 kB/s | 18 MB 00:55\n" "Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Importing GPG key 0x1ACA3465:\n" " Userid : \"Fedora (17) <fedora@fedoraproject.org>\"\n" " Fingerprint: cac4 3fb7 74a4 a673 d81c 5de7 50e9 4c99 1aca 3465\n" " Package : fedora-release-17-0.8.noarch (@anaconda-0)\n" " From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : libqb-0.11.1-1.fc17.x86_64 1/48\n" " Installing : libtool-ltdl-2.4.2-3.fc17.x86_64 2/48\n" " Installing : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 3/48\n" " Installing : libxslt-1.1.26-9.fc17.x86_64 4/48\n" " Installing : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 5/48\n" " Installing : perl-threads-1.86-2.fc17.x86_64 6/48\n" " Installing : 4:perl-macros-5.14.2-211.fc17.x86_64 7/48\n" " Installing : 1:perl-Pod-Simple-3.16-211.fc17.noarch 8/48\n" " Installing : perl-Socket-2.001-1.fc17.x86_64 9/48\n" " Installing : perl-Carp-1.22-2.fc17.noarch 10/48\n" " Installing : 4:perl-libs-5.14.2-211.fc17.x86_64 11/48\n" " Installing : perl-threads-shared-1.40-2.fc17.x86_64 12/48\n" " Installing : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 13/48\n" " Installing : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 14/48\n" " Installing : perl-PathTools-3.33-211.fc17.x86_64 15/48\n" " Installing : 4:perl-5.14.2-211.fc17.x86_64 16/48\n" " Installing : libibverbs-1.1.6-2.fc17.x86_64 17/48\n" " Installing : keyutils-1.5.5-2.fc17.x86_64 18/48\n" " Installing : libgssglue-0.3-1.fc17.x86_64 19/48\n" " Installing : libtirpc-0.2.2-2.1.fc17.x86_64 20/48\n" " Installing : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 21/48\n" " Installing : rpcbind-0.2.0-16.fc17.x86_64 22/48\n" " Installing : librdmacm-1.0.15-1.fc17.x86_64 23/48\n" " Installing : corosynclib-1.99.9-1.fc17.x86_64 24/48\n" " Installing : corosync-1.99.9-1.fc17.x86_64 25/48\n" "error reading information on service corosync: No such file or directory\n" " Installing : 1:perl-TimeDate-1.20-6.fc17.noarch 26/48\n" " Installing : 1:quota-nls-4.00-3.fc17.noarch 27/48\n" " Installing : tcp_wrappers-7.6-69.fc17.x86_64 28/48\n" " Installing : 1:quota-4.00-3.fc17.x86_64 29/48\n" " Installing : libnfsidmap-0.25-1.fc17.x86_64 30/48\n" " Installing : 1:libwbclient-3.6.3-81.fc17.1.x86_64 31/48\n" " Installing : libnet-1.1.5-3.fc17.x86_64 32/48\n" " Installing : 2:ethtool-3.2-2.fc17.x86_64 33/48\n" " Installing : libevent-2.0.14-2.fc17.x86_64 34/48\n" " Installing : 1:nfs-utils-1.2.5-12.fc17.x86_64 35/48\n" " Installing : libtalloc-2.0.7-4.fc17.x86_64 36/48\n" " Installing : cifs-utils-5.3-2.fc17.x86_64 37/48\n" " Installing : libtasn1-2.12-1.fc17.x86_64 38/48\n" " Installing : OpenIPMI-libs-2.0.18-13.fc17.x86_64 39/48\n" " Installing : cluster-glue-1.0.6-9.fc17.1.x86_64 40/48\n" " Installing : p11-kit-0.12-1.fc17.x86_64 41/48\n" " Installing : gnutls-2.12.17-1.fc17.x86_64 42/48\n" " Installing : pacemaker-libs-1.1.7-2.fc17.x86_64 43/48\n" " Installing : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 44/48\n" " Installing : pacemaker-cli-1.1.7-2.fc17.x86_64 45/48\n" " Installing : xfsprogs-3.1.8-1.fc17.x86_64 46/48\n" " Installing : resource-agents-3.9.2-2.fc17.1.x86_64 47/48\n" " Installing : pacemaker-1.1.7-2.fc17.x86_64 48/48\n" " Verifying : xfsprogs-3.1.8-1.fc17.x86_64 1/48\n" " Verifying : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 2/48\n" " Verifying : corosync-1.99.9-1.fc17.x86_64 3/48\n" " Verifying : cluster-glue-1.0.6-9.fc17.1.x86_64 4/48\n" " Verifying : perl-PathTools-3.33-211.fc17.x86_64 5/48\n" " Verifying : p11-kit-0.12-1.fc17.x86_64 6/48\n" " Verifying : 1:perl-Pod-Simple-3.16-211.fc17.noarch 7/48\n" " Verifying : OpenIPMI-libs-2.0.18-13.fc17.x86_64 8/48\n" " Verifying : libtasn1-2.12-1.fc17.x86_64 9/48\n" " Verifying : perl-threads-1.86-2.fc17.x86_64 10/48\n" " Verifying : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 11/48\n" " Verifying : pacemaker-1.1.7-2.fc17.x86_64 12/48\n" " Verifying : 4:perl-5.14.2-211.fc17.x86_64 13/48\n" " Verifying : gnutls-2.12.17-1.fc17.x86_64 14/48\n" " Verifying : perl-threads-shared-1.40-2.fc17.x86_64 15/48\n" " Verifying : 4:perl-macros-5.14.2-211.fc17.x86_64 16/48\n" " Verifying : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 17/48\n" " Verifying : 1:nfs-utils-1.2.5-12.fc17.x86_64 18/48\n" " Verifying : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 19/48\n" " Verifying : pacemaker-libs-1.1.7-2.fc17.x86_64 20/48\n" " Verifying : libtalloc-2.0.7-4.fc17.x86_64 21/48\n" " Verifying : libevent-2.0.14-2.fc17.x86_64 22/48\n" " Verifying : perl-Socket-2.001-1.fc17.x86_64 23/48\n" " Verifying : libgssglue-0.3-1.fc17.x86_64 24/48\n" " Verifying : perl-Carp-1.22-2.fc17.noarch 25/48\n" " Verifying : libtirpc-0.2.2-2.1.fc17.x86_64 26/48\n" " Verifying : 2:ethtool-3.2-2.fc17.x86_64 27/48\n" " Verifying : 4:perl-libs-5.14.2-211.fc17.x86_64 28/48\n" " Verifying : libxslt-1.1.26-9.fc17.x86_64 29/48\n" " Verifying : rpcbind-0.2.0-16.fc17.x86_64 30/48\n" " Verifying : librdmacm-1.0.15-1.fc17.x86_64 31/48\n" " Verifying : resource-agents-3.9.2-2.fc17.1.x86_64 32/48\n" " Verifying : 1:quota-4.00-3.fc17.x86_64 33/48\n" " Verifying : 1:perl-TimeDate-1.20-6.fc17.noarch 34/48\n" " Verifying : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 35/48\n" " Verifying : libtool-ltdl-2.4.2-3.fc17.x86_64 36/48\n" " Verifying : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 37/48\n" " Verifying : cifs-utils-5.3-2.fc17.x86_64 38/48\n" " Verifying : libnet-1.1.5-3.fc17.x86_64 39/48\n" " Verifying : corosynclib-1.99.9-1.fc17.x86_64 40/48\n" " Verifying : libqb-0.11.1-1.fc17.x86_64 41/48\n" " Verifying : 1:libwbclient-3.6.3-81.fc17.1.x86_64 42/48\n" " Verifying : libnfsidmap-0.25-1.fc17.x86_64 43/48\n" " Verifying : tcp_wrappers-7.6-69.fc17.x86_64 44/48\n" " Verifying : keyutils-1.5.5-2.fc17.x86_64 45/48\n" " Verifying : libibverbs-1.1.6-2.fc17.x86_64 46/48\n" " Verifying : 1:quota-nls-4.00-3.fc17.noarch 47/48\n" " Verifying : pacemaker-cli-1.1.7-2.fc17.x86_64 48/48\n" "\n" "Installed:\n" " corosync.x86_64 0:1.99.9-1.fc17 pacemaker.x86_64 0:1.1.7-2.fc17\n" "\n" "Dependency Installed:\n" " OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 cifs-utils.x86_64 0:5.3-2.fc17\n" " cluster-glue.x86_64 0:1.0.6-9.fc17.1 cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1\n" " corosynclib.x86_64 0:1.99.9-1.fc17 ethtool.x86_64 2:3.2-2.fc17\n" " gnutls.x86_64 0:2.12.17-1.fc17 keyutils.x86_64 0:1.5.5-2.fc17\n" " libevent.x86_64 0:2.0.14-2.fc17 libgssglue.x86_64 0:0.3-1.fc17\n" " libibverbs.x86_64 0:1.1.6-2.fc17 libnet.x86_64 0:1.1.5-3.fc17\n" " libnfsidmap.x86_64 0:0.25-1.fc17 libqb.x86_64 0:0.11.1-1.fc17\n" " librdmacm.x86_64 0:1.0.15-1.fc17 libtalloc.x86_64 0:2.0.7-4.fc17\n" " libtasn1.x86_64 0:2.12-1.fc17 libtirpc.x86_64 0:0.2.2-2.1.fc17\n" " libtool-ltdl.x86_64 0:2.4.2-3.fc17 libwbclient.x86_64 1:3.6.3-81.fc17.1\n" " libxslt.x86_64 0:1.1.26-9.fc17 net-snmp-libs.x86_64 1:5.7.1-4.fc17\n" " nfs-utils.x86_64 1:1.2.5-12.fc17 p11-kit.x86_64 0:0.12-1.fc17\n" " pacemaker-cli.x86_64 0:1.1.7-2.fc17 pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17\n" " pacemaker-libs.x86_64 0:1.1.7-2.fc17 perl.x86_64 4:5.14.2-211.fc17\n" " perl-Carp.noarch 0:1.22-2.fc17 perl-Module-Pluggable.noarch 1:3.90-211.fc17\n" " perl-PathTools.x86_64 0:3.33-211.fc17 perl-Pod-Escapes.noarch 1:1.04-211.fc17\n" " perl-Pod-Simple.noarch 1:3.16-211.fc17 perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17\n" " perl-Socket.x86_64 0:2.001-1.fc17 perl-TimeDate.noarch 1:1.20-6.fc17\n" " perl-libs.x86_64 4:5.14.2-211.fc17 perl-macros.x86_64 4:5.14.2-211.fc17\n" " perl-threads.x86_64 0:1.86-2.fc17 perl-threads-shared.x86_64 0:1.40-2.fc17\n" " quota.x86_64 1:4.00-3.fc17 quota-nls.noarch 1:4.00-3.fc17\n" " resource-agents.x86_64 0:3.9.2-2.fc17.1 rpcbind.x86_64 0:0.2.0-16.fc17\n" " tcp_wrappers.x86_64 0:7.6-69.fc17 xfsprogs.x86_64 0:3.1.8-1.fc17\n" "\n" "Complete!\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now install the cluster software on the second node." msgstr "Installazione del software cluster" #. Tag: title #, fuzzy, no-c-format msgid "Install the Cluster Management Software" msgstr "Installazione del software cluster" #. Tag: para #, no-c-format msgid "The pcs cli command coupled with the pcs daemon creates a cluster management system capable of managing all aspects of the cluster stack across all nodes from a single location." msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y pcs" msgstr "" #. Tag: para #, no-c-format msgid "Make sure to install the pcs packages on both nodes." msgstr "" #. Tag: title #, no-c-format msgid "Setup" msgstr "Setup" #. Tag: title #, no-c-format msgid "Enable pcs Daemon" msgstr "" #. Tag: para #, no-c-format msgid "Before the cluster can be configured, the pcs daemon must be started and enabled to boot on startup on each node. This daemon works with the pcs cli command to manage syncing the corosync configuration across all the nodes in the cluster." msgstr "" #. Tag: para #, no-c-format msgid "Start and enable the daemon by issuing the following commands on each node." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start pcsd.service\n" "# systemctl enable pcsd.service" msgstr "" #. Tag: para #, no-c-format msgid "Now we need a way for pcs to talk to itself on other nodes in the cluster. This is necessary in order to perform tasks such as syncing the corosync config, or starting/stopping the cluster on remote nodes" msgstr "" #. Tag: para #, no-c-format msgid "While pcs can be used locally without setting up these user accounts, this tutorial will make use of these remote access commands, so we will set a password for the hacluster user. Its probably best if password is consistent across all the nodes." msgstr "" #. Tag: para #, no-c-format msgid "As root, run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# passwd hacluster\n" "password:" msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, to script this process or set the password on a different machine to the one you’re logged into, you can use the --stdin option for passwd:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- 'echo redhat1 | passwd --stdin hacluster'" msgstr "" #. Tag: title #, no-c-format msgid "Notes on Multicast Address Assignment" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There are several subtle points that often deserve consideration when choosing/assigning multicast addresses. This information is borrowed from, the now defunct, http://web.archive.org/web/20101211210054/http://29west.com/docs/THPM/multicast-address-assignment.html" msgstr "Assicurarsi che i valori scelti non vadano in conflitto con qualsiasi altra configurazione cluster presente nella rete. Per consigli sulla scelta dell'indirizzo vedere http://www.29west.com/docs/THPM/multicast-address-assignment.html " #. Tag: para #, no-c-format msgid "Avoid 224.0.0.x" msgstr "" #. Tag: para #, no-c-format msgid "Traffic to addresses of the form 224.0.0.x is often flooded to all switch ports. This address range is reserved for link-local uses. Many routing protocols assume that all traffic within this range will be received by all routers on the network. Hence (at least all Cisco) switches flood traffic within this range. The flooding behavior overrides the normal selective forwarding behavior of a multicast-aware switch (e.g. IGMP snooping, CGMP, etc.)." msgstr "" #. Tag: para #, no-c-format msgid "Watch for 32:1 overlap" msgstr "" #. Tag: para #, no-c-format msgid "32 non-contiguous IP multicast addresses are mapped onto each Ethernet multicast address. A receiver that joins a single IP multicast group implicitly joins 31 others due to this overlap. Of course, filtering in the operating system discards undesired multicast traffic from applications, but NIC bandwidth and CPU resources are nonetheless consumed discarding it. The overlap occurs in the 5 high-order bits, so it’s best to use the 23 low-order bits to make distinct multicast streams unique. For example, IP multicast addresses in the range 239.0.0.0 to 239.127.255.255 all map to unique Ethernet multicast addresses. However, IP multicast address 239.128.0.0 maps to the same Ethernet multicast address as 239.0.0.0, 239.128.0.1 maps to the same Ethernet multicast address as 239.0.0.1, etc." msgstr "" #. Tag: para #, no-c-format msgid "Avoid x.0.0.y and x.128.0.y" msgstr "" #. Tag: para #, no-c-format msgid "Combining the above two considerations, it’s best to avoid using IP multicast addresses of the form x.0.0.y and x.128.0.y since they all map onto the range of Ethernet multicast addresses that are flooded to all switch ports." msgstr "" #. Tag: para #, no-c-format msgid "Watch for address assignment conflicts" msgstr "" #. Tag: para #, no-c-format msgid "IANA administers Internet multicast addresses. Potential conflicts with Internet multicast address assignments can be avoided by using GLOP addressing (AS required) or administratively scoped addresses. Such addresses can be safely used on a network connected to the Internet without fear of conflict with multicast sources originating on the Internet. Administratively scoped addresses are roughly analogous to the unicast address space for private internets. Site-local multicast addresses are of the form 239.255.x.y, but can grow down to 239.252.x.y if needed. Organization-local multicast addresses are of the form 239.192-251.x.y, but can grow down to 239.x.y.z if needed." msgstr "" #. Tag: para #, no-c-format msgid "For a more detailed treatment (57 pages!), see Cisco’s Guidelines for Enterprise IP Multicast Address Allocation paper." msgstr "" #. Tag: title #, no-c-format msgid "Configuring Corosync" msgstr "Configurare Corosync" #. Tag: para #, no-c-format msgid "In the past, at this point in the tutorial an explanation of how to configure and propagate corosync’s /etc/corosync.conf file would be necessary. Using pcs with the pcs daemon greatly simplifies this process by generating corosync.conf across all the nodes in the cluster with a single command. The only thing required to achieve this is to authenticate as the pcs user hacluster on one of the nodes in the cluster, and then issue the pcs cluster setup command with a list of all the node names in the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster auth pcmk-1 pcmk-2\n" "Username: hacluster\n" "Password:\n" "pcmk-1: Authorized\n" "pcmk-2: Authorized\n" "\n" "# pcs cluster setup mycluster pcmk-1 pcmk-2\n" "pcmk-1: Succeeded\n" "pcmk-2: Succeeded" msgstr "" #. Tag: para #, no-c-format msgid "That’s it. Corosync is configured across the cluster. If you received an authorization error for either of those commands, make sure you setup the hacluster user account and password on every node in the cluster with the same password." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The final /etc/corosync.conf configuration on each node should look something like the sample in Appendix B, Sample Corosync Configuration." msgstr "La configurazione finale dovrà assomigliare a quanto illustrato negli appendici." #. Tag: para #, no-c-format msgid "Pacemaker used to obtain membership and quorum from a custom Corosync plugin. This plugin also had the capability to start Pacemaker automatically when Corosync was started." msgstr "" #. Tag: para #, no-c-format msgid "Neither behavior is possible with Corosync 2.0 and beyond as support for plugins was removed." msgstr "" #. Tag: para #, no-c-format msgid "Instead, Pacemaker must be started as a separate job/initscript. Also, since Pacemaker made use of the plugin for message routing, a node using the plugin (Corosync prior to 2.0) cannot talk to one that isn’t (Corosync 2.0+)." msgstr "" #. Tag: para #, no-c-format msgid "Rolling upgrades between these versions are therefor not possible and an alternate strategy http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html must be used." msgstr "" #~ msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html and boot from it. Or use the image to boot a virtual machine as I have done here. After clicking through the welcome screen, select your language and keyboard layout http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgstr "Masterizzare l'immagine in un DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html ed avviare da questo media. Oppure utilizzare l'immagine per avviare una virtual machine come illustrato qui. Dopo aver cliccato sulla schermata di benvenuto, selezionare la propria lingua ed il layout della tastiera http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgid "Fedora Installation - Welcome" #~ msgstr "Installazione di Fedora - Benvenuto" #~ msgid "Fedora Installation: Good choice" #~ msgstr "Installazione di Fedora: Buona scelta" #~ msgid "Fedora Installation - Storage Devices" #~ msgstr "Installazione di Fedora - Storage Devices" #~ msgid "Fedora Installation: Storage Devices" #~ msgstr "Installazione di Fedora: Storage Devices" #~ msgid "Fedora Installation - Hostname" #~ msgstr "Installazione di Fedora - Hostname" #~ msgid "Fedora Installation: Choose a hostname" #~ msgstr "Installazione di Fedora: Selezionare un hostname" #~ msgid "Fedora Installation - Installation Type" #~ msgstr "Installazione di Fedora - Tipo di installazione" #~ msgid "Fedora Installation: Choose an installation type" #~ msgstr "Installazione di Fedora: Selezionare un tipo di installazione" #~ msgid "By default, Fedora will give all the space to the / (aka. root) partition. Wel'll take some back so we can use DRBD." #~ msgstr "Di default, Fedora dedicherà tutto lo spazio alla partizione di root /.Questa verrà ridotta al fine di poter usare DRBD." #~ msgid "Fedora Installation - Default Partitioning" #~ msgstr "Installazione di Fedora - Partizionamento di default" #~ msgid "The finalized partition layout should look something like the diagram below." #~ msgstr "Lo schema di partizionamento finale dovrà somigliare a quanto illustrato nel diagramma sotto." #~ msgid "If you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume." #~ msgstr "Se è nelle intenzioni di chi legge segure le parti di questa guida che trattano DRBD o GFS2 andrà riservato almeno 1Gb di spazio in ciascuna macchina da cui verrà tratto il volume condiviso." #~ msgid "Fedora Installation - Customize Partitioning" #~ msgstr "Installazione di Fedora - Personalizzazione delle partizioni" #~ msgid "Fedora Installation: Create a partition to use (later) for website data" #~ msgstr "Installazione di Fedora: Creare una partizione da usare (dopo) per i dati del sito web" #~ msgid "Fedora Installation - Bootloader" #~ msgstr "Installazione di Fedora - Bootloader" #~ msgid "Fedora Installation: Unless you have a strong reason not to, accept the default bootloader location" #~ msgstr "Installazione di Fedora: A meno che non si abbiano sensate ragioni per non farlo è bene accettare le impostazioni di default del bootloader" #~ msgid "Fedora Installation - Software" #~ msgstr "Installazione di Fedora - Software" #~ msgid "Fedora Installation: Software selection" #~ msgstr "Installazione di Fedora: Selezione del software" #~ msgid "Fedora Installation - Installing" #~ msgstr "Installazione di Fedora - Installazione" #~ msgid "Fedora Installation - Installation Complete" #~ msgstr "Installazione di Fedora - Installazione completata" #~ msgid "Fedora Installation: Stage 1, completed" #~ msgstr "Installazione di Fedora: Stage 1, completato" #~ msgid "Once the node reboots, follow the on screen instructions http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html to create a system user and configure the time." #~ msgstr "Quano il nodo si riavvia seguire le istruzioni sullo schermo http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html per creare un utenza di sistema e sistemare l`ora." #~ msgid "Fedora Installation - First Boot" #~ msgstr "Installazione di Fedora - Primo avvio" #~ msgid "Fedora Installation - Create Non-privileged User" #~ msgstr "Installazione di Fedora - Creazione utente non privilegiato" #~ msgid "Fedora Installation: Creating a non-privileged user, take note of the password, you'll need it soon" #~ msgstr "Installazione di Fedora: Nella creazione di un utente non privilegiato si prenda nota della password, presto servirà" #~ msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier." #~ msgstr "E' caldamente consigliato di abilitare NTP sui nodi del cluster, ci si assicurerà così che tutti i nodi siano settati sull'ora attuale e la lettura dei log sarà molto più semplice." #~ msgid "Fedora Installation - Date and Time" #~ msgstr "Installazione di Fedora - Data ed ora" #~ msgid "Fedora Installation: Enable NTP to keep the times on all your nodes consistent" #~ msgstr "Installazione di Fedora: Abilitare NTP per mantenere consistente l'ora su tutti i nodi" #~ msgid "Click through the next screens until you reach the login window. Click on the user you created and supply the password you indicated earlier." #~ msgstr "Cliccare su next fino alla comparsa della schermata di login. Cliccare sull'utente creato e fornire la password stabilita." #~ msgid "Fedora Installation - Customize Networking" #~ msgstr "Installazione di Fedora - Personalizzare la rete" #~ msgid "Fedora Installation: Click here to configure networking" #~ msgstr "Installazione di Fedora: Cliccare qui per configurare la rete" #~ msgid "Fedora Installation - Specify Network Preferences" #~ msgstr "Installazione di Fedora - Specificare le preferenze di rete" #~ msgid "Fedora Installation: Specify network settings for your machine, never choose DHCP" #~ msgstr "Installazione di Fedora: Specificare le preferenze di rete per la propria macchina, non selezionare mai DHCP" #~ msgid "Fedora Installation - Activate Networking" #~ msgstr "Installazione di Fedora - Attivare la rete" #~ msgid "Fedora Installation: Click the big green button to activate your changes" #~ msgstr "Installazione di Fedora: cliccare il grosso bottone verde per attivare le modifiche" #~ msgid "Fedora Installation - Bring up the Terminal" #~ msgstr "Installazione di Fedora - Aprire il terminale" #~ msgid "Fedora Installation: Down to business, fire up the command line" #~ msgstr "Installazione di Fedora: al lavoro, avviando la linea di comando" #~ msgid "Go to the terminal window you just opened and switch to the super user (aka. \"root\") account with the su command. You will need to supply the password you entered earlier during the installation process." #~ msgstr "Attraverso la finestra terminale appena aperta diventare super utente (\"root\") attraverso il comando su. Verrà richiesta la password richiesta in fase di installazione." #~ msgid "Note that the username (the text before the @ symbol) now indicates we’re running as the super user “root”." #~ msgstr "Notare che lo username (il testo che precede il simbolo @) ora indica che l'utente utilizzato è \"root\"." #~ msgid "You will need to reboot for the SELinux changes to take effect. Otherwise you will see something like this when you start corosync:" #~ msgstr "Sarà necessario riavviare per rendere effettive le modifiche a SELinux. In alterniva qualcosa di simile a questo apparirà all'avvio di corosync:" #~ msgid "Verify Connectivity by IP address" #~ msgstr "Verifica della connettività dall'indirizzo IP" #~ msgid "Set up /etc/hosts entries" #~ msgstr "Settaggio /etc/hosts" #~ msgid "Verify Connectivity by Hostname" #~ msgstr "Verifica della connettività attraverso l'hostname" #~ msgid "Now repeat on pcmk-2." #~ msgstr "Le stesse operazioni andranno ripetute su pcmk-2" #~ msgid "Choose a port number and multi-cast http://en.wikipedia.org/wiki/Multicast address. http://en.wikipedia.org/wiki/Multicast_address " #~ msgstr "Scegliere un numero di porta ed un indirizzo http://en.wikipedia.org/wiki/Multicast multi-cast. http://en.wikipedia.org/wiki/Multicast_address " #~ msgid "For this document, I have chosen port 4000 and used 226.94.1.1 as the multi-cast address." #~ msgstr "Per questo progetto è stata scelta la porta 4000 e l'indirizzo multi-cast 226.94.1.1." #~ msgid "Next we automatically determine the hosts address. By not using the full address, we make the configuration suitable to be copied to other nodes." #~ msgstr "A questo punto è possibile determinare automaticamente l'indirizzo degli host. Non utilizzando l'indirizzo completo la configurazione è copiabile sugli altri nodi." #~ msgid "Display and verify the configuration options" #~ msgstr "Visualizzazione e verifica delle opzioni di configurazione" #~ msgid "Once you’re happy with the chosen values, update the Corosync configuration" #~ msgstr "Una volta soddisfatti dei valori scelti si potrà aggiornare la configurazione di Corosync" #~ msgid "Finally, tell Corosync to start Pacemaker" #~ msgstr "Infine comunicare a Corosync di avviare Pacemaker" #~ msgid "Propagate the Configuration" #~ msgstr "Distribuire la configurazione" #~ msgid "Now we need to copy the changes so far to the other node:" #~ msgstr "Ora è necessario copiare le modifiche effettuate sinora all'altro nodo:" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Intro.po000066400000000000000000000447231217637305600242770ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 14:42+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "Leggimi-Prima" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "Scopo di questo documento" #. Tag: para #, no-c-format msgid "Computer clusters can be used to provide highly available services or resources. The redundancy of multiple machines is used to guard against failures of many types." msgstr "" #. Tag: para #, no-c-format msgid "This document will walk through the installation and setup of simple clusters using the Fedora distribution, version 17." msgstr "" #. Tag: para #, no-c-format msgid "The clusters described here will use Pacemaker and Corosync to provide resource management and messaging. Required packages and modifications to their configuration files are described along with the use of the Pacemaker command line tool for generating the XML used for cluster control." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is a central component and provides the resource management required in these systems. This management includes detecting and recovering from the failure of various nodes, resources and services under its control." msgstr "" #. Tag: para #, no-c-format msgid "When more in depth information is required and for real world usage, please refer to the Pacemaker Explained manual." msgstr "" #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "Cos'è Pacemaker?" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat)." msgstr "Pacemaker è un cluster resource manager. Ottiene la massima affidabilità per i servizi cluster (conosciuti come risorse) rilevando e ripristinando malfunziomenti di nodi e di risorse facendo uso delle capacità di messaging e membership fornite dalla tua infrastruttura cluster preferita (sia questa Corosync o Heartbeat)." #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker’s key features include:" msgstr "Le caratteristiche di Pacemaker includono:" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "Rilevazione e ripristino di malfunzionamenti di nodi e servizi" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "Storage agnostic, non richiede uno storage condiviso" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "Resource agnostic, tutto quello che può essere scriptato può essere clusterizzato" #. Tag: para #, fuzzy, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "Supporto STONITH per garantire l'integrità dei dati" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "Supporto a cluster grandi e piccoli" #. Tag: para #, fuzzy, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "Supporto a cluster grandi e piccoli" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "Configurazione replicata automaticamente che può essere aggiornata da qualsiasi nodo" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "Capacità di specificare ordine, collocazione e anti-collocazione per i servizi lato cluster" #. Tag: para #, fuzzy, no-c-format msgid "Support for advanced service types" msgstr "Supporto per servizi di tipo avanzato" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "Cloni: per servizi che necessitano di essere attivi su nodi multipli" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "Muliti-state: per servizi con modi multipli (ad esempio master/slave, primary/secondary/" #. Tag: para #, fuzzy, no-c-format msgid "Unified, scriptable, cluster management tools." msgstr "cluster shell unificata e scriptabile" #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "Architettura di Pacemaker" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "Al livello più elevato il cluster è composto da tre componenti:" #. Tag: para #, fuzzy, no-c-format msgid "Non-cluster aware components (illustrated in green). These pieces include the resources themselves, scripts that start, stop and monitor them, and also a local daemon that masks the differences between the different standards these scripts implement." msgstr "Componenti non inerenti al cluster (illustrate in blu). In un cluster Pacemaker queste componenti includono non solo gli script che sanno come avviare, stoppare e monitorare le risorse, ma anche " #. Tag: para #, fuzzy, no-c-format msgid "Resource management Pacemaker provides the brain (illustrated in blue) that processes and reacts to events regarding the cluster. These events include nodes joining or leaving the cluster; resource events caused by failures, maintenance, scheduled activities; and other administrative actions. Pacemaker will compute the ideal state of the cluster and plot a path to achieve it after any of these events. This may include moving resources, stopping nodes and even forcing them offline with remote power switches." msgstr "Un cervello (illustrato in verde) che reagisce e processa gli eventi del cluster (nodi scomparsi o apparsi) e delle risorse (ad esempio il controllo delle anomalie) così come le modifiche effettuate dall'amministratore. In risposta a tutti questi eventi, Pacemaker elaborerà l'ideale stato del cluster ed il piano per renderlo effettivo. Questo potrebbe includere lo spostamento delle risorse, lo stop di nodi fino alla forzatura offline di questi attraverso la rimozione dell'alimentazione remota." #. Tag: para #, fuzzy, no-c-format msgid "Low level infrastructure Corosync provides reliable messaging, membership and quorum information about the cluster (illustrated in red)." msgstr "Infrastruttura core del cluster che rende disponibili le funzionalità di messaging e membership (illustrate in rosso)" #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "Panoramica concettuale dello Stack" #. Tag: phrase #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "Panoramica concettuale dello stack del cluster" #. Tag: para #, fuzzy, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this." msgstr "Quando viene combianato con Corosync, Pacemaker supporta anche i popolari cluster filesystem opensource Sebbene Pacemaker supporti anche Heartbeat, i filesystem necessitano di usare uno stack di messaging e membership e Corosync sembra essere quello su cui questi si stanno standardizzando. Tecnicamente potrebbe essere possibile per questi supportare anche Heartbeat, ma sembra esserci poco interesse in merito alla questione. . Le recenti standardizzazioni all'interno della comunità del cluster filesystem hanno portato all'uso di un lock manager distribuito che utilizza Corosync per il supporto al messaging e Pacemaker per il membership (quali nodi sono vivi o morti) ed il fencing dei servizi." #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker Stack" msgstr "Lo stack Pacemaker" #. Tag: phrase #, fuzzy, no-c-format msgid "The Pacemaker StackThe Pacemaker stack when running on Corosync" msgstr "Lo stack Pacemaker nell'esecuzione su Corosync" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "Componenti interni" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "Pacemaker stesso è composto da quatto componenti chiave (illustrati sotto nello stesso schema di colori del diagramma precedente):" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "CIB (acronimo di come Cluster Information Base)" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "CRMd (acronimo di Cluster Resource Management daemon)" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "PEngine (acronimo di Policy Engine)" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "STONITHd" #. Tag: phrase #, no-c-format msgid "Subsystems of a Pacemaker cluster running on Corosync" msgstr "Sottosistemi di un cluster Pacemaker in esecuzione su Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "Il CIB utilizza XML per rappresentare sia l'attuale configurazione del cluster sia lo stato di tutte le risorse all'interno dello stesso. I contenuti del CIB sono automaticamente tenuti in sincronia in tutto il cluster e vengono utilizzati dal PEngine per elaborare lo stato ideale del cluster e come questo debba essere raggiunto." #. Tag: para #, fuzzy, no-c-format msgid "This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail… a new one is quickly established." msgstr "Questa lista di istruzioni viene inviata al DC (Designated Co-ordinator). Pacemaker centralizza tutte le decisioni in merito al cluster eleggendo una delle istanze di CRMd ad agire come master. Qualora il processo eletto CRMd o il nodo su cui questo è in esecuzione dovessero fallire, un nuovo DC viene rapidamente stabilito." #. Tag: para #, fuzzy, no-c-format msgid "The DC carries out the PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "Il DC esegue le istruzioni inviategli dal PEngine nell'ordine richiesto passandole o al LRMd (Local Resource Management daemon) o ai CRMd in ascolto sugli altri nodi attraverso l'infrastruttura di messaging del cluster (che a loro volta passeranno le istruzioni ai proprio LRMd)." #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "Gli altri nodi riferiscono i risultati delle loro operazioni al DC. Attraverso l'analisi dei risultati aspettati e di quelli attuali, i nodi eseguiranno qualsiasi azione necessaria per attendere il completamento della precedente oppure interromperanno il processo, richiedendo al PEngine di calcolare nuovamente lo stato ideale del cluster basandosi sui risulati inaspettati." #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "In alcuni casi, potrebbe essere necessario spegnere i nodi per preservare dati condifivi o completare il ripristino di una risorsa. Per questo in Pacemaker esiste STONITHd. STONITH è un acronimo per Shoot-The-Other-Node-In-The-Head e viene implementato tipicamente con un switch di potenza remoto. In Pacemaker i dispositivi STONITH sono modellati come risorse (e configurati all'interno del CIB) per facilitare il monitoraggio delle anomalie. STONITHd si prende cura di capire la topologia STONITH così che i suoi client debbano unicamente richiedere unicamente la morte di un nodo ed esso si preoccupi del resto." #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "Tipologia dei cluster Pacemaker" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "Pacemaker non fa alcuna ipotesi in merito all'ambiente operativo, questo consente di supportare praticamente qualsiasi configurazione ridondata come Active/Active, Active/Passive, N+1, N+M, N-to-1 e N-to-N." #. Tag: para #, no-c-format msgid "In this document we will focus on the setup of a highly available Apache web server with an Active/Passive cluster using DRBD and Ext4 to store data. Then, we will upgrade this cluster to Active/Active using GFS2." msgstr "" #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "Ridondanza Active/Passive" #. Tag: phrase #, fuzzy, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations" msgstr "I cluster a due nodi Active/Passive che utilizzano Pacemaker e DRBD sono soluzioni con rapporto qualità-prezzo ottimale in molti ambiti di alta affidabilità." #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "Ridondanza N a N" #. Tag: phrase #, fuzzy, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload" msgstr "Quando è disponibile uno storage condiviso ogni nodo può essere utilizzato per il failover. Pacemaker può anche eseguire copie multiple dei servizi per distribuire il carico di lavoro." #~ msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this best, it will focus exclusively on the XML syntax used to configure the CIB." #~ msgstr "Lo scopo di questo documento è quello di spiegare in maniera definitiva i concetti utilizzati per configurare Pacemaker. Per ottenere il meglio, si focalizzera' esclusivamente sulla sintassi XML per configurare il CIB." #~ msgid "For those that are allergic to XML, Pacemaker comes with a cluster shell and a Python based GUI exists, however these tools will not be covered at all in this document It is hoped however, that having understood the concepts explained here, that the functionality of these tools will also be more readily understood. , precisely because they hide the XML." #~ msgstr "Per gli allergici ad XML, Pacemaker ha una cluster shell ed una GUI Python, ma questi tools non sono trattati nel presente documento Si spera comunque che una volta compresi i concetti qui esposti sarà più semplice comprendere anche questi tools. , proprio perché questi nascondono l'XML." #~ msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster." #~ msgstr "Inoltre, questo documento NON E' un how-to passo-passo per configurare uno specifico scenario cluster. Sebbene questo tipo di guide esista, lo scopo di questo documento è quello di fornire la comprensione delle componenti che possono essere utilizzate per costruire qualsiasi cluster Pacemaker." #~ msgid "Supports both quorate and resource driven clusters" #~ msgstr "Supporto a cluster quorati e resource driven" #~ msgid "Supports practically any redundancy configuration" #~ msgstr "Supporto a praticamente qualsiasi configurazione ridondata" #~ msgid "Shared Failover" #~ msgstr "Failover condiviso" #~ msgid "By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node" #~ msgstr "Supportando più nodi, Pacemaker può ridurre drammaticamente i costi hardware consentendo a diversi cluster active/passive di combinare e condividere nodi di backup comuni" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Shared-Storage.po000066400000000000000000000634101217637305600260060ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-03 16:41+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Replicated Storage with DRBD" msgstr "Storage replicato con DRBD" #. Tag: title #, no-c-format msgid "Background" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Even if you’re serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, it’s not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details." msgstr "Anche se si sta servendo un sito con pagine statiche, dover sincronizzare manualmente i contenuti del sito su tutte le macchine nel cluster non è conveniente. Per i siti dinamici, come ad esempio un wiki, non è neanche possibile. Pur non disponendo di un NAS (Network Attached Storage) potrebbe essere necessario che in qualche modo i dati siano mantenuti in sincronia. E' qui che entra in gioco DRBD che può essere descritto come un Network RAID-1. Per ulteriori dettagli vedere http://www.drbd.org." #. Tag: title #, no-c-format msgid "Install the DRBD Packages" msgstr "Installare i pacchetti DRBD" #. Tag: para #, fuzzy, no-c-format msgid "Since its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD has shiped with Fedora since version 13. All you need to do is install it:" msgstr "Dalla sua inclusione dalla versione 2.6.33 del kernel, quanto necessario per utilizzare DRBD è fornito da &DISTRO; &DISTRO_VERSION;. Tutto ciò che va fatto è installare i pacchetti:" #. Tag: programlisting #, no-c-format msgid "# yum install -y drbd-pacemaker drbd-udev" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Processing Dependency: drbd-utils = 8.3.11-5.fc17 for package: drbd-pacemaker-8.3.11-5.fc17.x86_64\n" "---> Package drbd-udev.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "======================================================================================\n" " Package Arch Version Repository Size\n" "======================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.11-5.fc17 updates-testing 22 k\n" " drbd-udev x86_64 8.3.11-5.fc17 updates-testing 6.4 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.11-5.fc17 updates-testing 183 k\n" "\n" "Transaction Summary\n" "======================================================================================\n" "Install 2 Packages (+1 Dependent package)\n" "\n" "Total download size: 212 k\n" "Installed size: 473 k\n" "Downloading Packages:\n" "(1/3): drbd-pacemaker-8.3.11-5.fc17.x86_64.rpm | 22 kB 00:00\n" "(2/3): drbd-udev-8.3.11-5.fc17.x86_64.rpm | 6.4 kB 00:00\n" "(3/3): drbd-utils-8.3.11-5.fc17.x86_64.rpm | 183 kB 00:00\n" "--------------------------------------------------------------------------------------\n" "Total 293 kB/s | 212 kB 00:00\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.11-5.fc17.x86_64 1/3\n" " Installing : drbd-pacemaker-8.3.11-5.fc17.x86_64 2/3\n" " Installing : drbd-udev-8.3.11-5.fc17.x86_64 3/3\n" " Verifying : drbd-pacemaker-8.3.11-5.fc17.x86_64 1/3\n" " Verifying : drbd-udev-8.3.11-5.fc17.x86_64 2/3\n" " Verifying : drbd-utils-8.3.11-5.fc17.x86_64 3/3\n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.11-5.fc17 drbd-udev.x86_64 0:8.3.11-5.fc17\n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.11-5.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Configure DRBD" msgstr "Configurare DRBD" #. Tag: para #, no-c-format msgid "Before we configure DRBD, we need to set aside some disk for it to use." msgstr "Prima di configurare DRBD è necessario definire a parte lo spazio che questo dovrà utilizzare." #. Tag: title #, no-c-format msgid "Create A Partition for DRBD" msgstr "Creare una partizione per DRBD" #. Tag: para #, no-c-format msgid "If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata." msgstr "Se si dispone di più di 1Gb liberi è bene servirsene. Negli scopi di questa guida 1Gb è fin troppo spazio per un file html e sufficiente per ospitare più avanti i metadata di GFS2." #. Tag: programlisting #, no-c-format msgid "" "# vgdisplay | grep -e Name - e Free\n" " VG Name vg_pcmk1\n" " Free PE / Size 31 / 992.00 MiB\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: para #, no-c-format msgid "Repeat this on the second node, be sure to use the same size partition." msgstr "La medesima operazione va ripetuta sul secondo nodo, avendo cura di utilizzare la stessa grandezza per la partizione." #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# ssh pcmk-2 -- lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: title #, no-c-format msgid "Write the DRBD Config" msgstr "Scrivere la configurazione DRBD" #. Tag: para #, fuzzy, no-c-format msgid "There is no series of commands for building a DRBD configuration, so simply copy the configuration below to /etc/drbd.conf" msgstr "Non esiste una serie di comandi per costruire una configurazione per DRBD, quindi è sufficiente la configurazione sottostante in /etc/drbd.conf" #. Tag: para #, no-c-format msgid "Detailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.html" msgstr "Informazioni dettagliate sulle direttive utilizzate in questa configurazione (e le alternative disponibili) è disponibile presso http://www.drbd.org/users-guide/ch-configure.html" #. Tag: para #, fuzzy, no-c-format msgid "Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide." msgstr "Accertarsi di usare i nomi e gli indirizzi dei propri nodi se questi differiscono da quelli utilizzati in questa guida." #. Tag: literallayout #, no-c-format msgid "" "global {\n" " usage-count yes;\n" "}\n" "common {\n" " protocol C;\n" "}\n" "resource wwwdata {\n" " meta-disk internal;\n" " device /dev/drbd1;\n" " syncer {\n" " verify-alg sha1;\n" " }\n" " net {\n" " allow-two-primaries;\n" " }\n" " on pcmk-1 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.101:7789;\n" " }\n" " on pcmk-2 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.102:7789;\n" " }\n" "}" msgstr "" #. Tag: para #, no-c-format msgid "TODO: Explain the reason for the allow-two-primaries option" msgstr "TODO: Spiegare la ragione dell'opzione allow-two-primaries" #. Tag: title #, no-c-format msgid "Initialize and Load DRBD" msgstr "Inizializzare e caricare DRBD" #. Tag: para #, no-c-format msgid "With the configuration in place, we can now perform the DRBD initialization" msgstr "Sistemata la configurazione, è possibile inizializzare DRBD" #. Tag: programlisting #, no-c-format msgid "" "# drbdadm create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success" msgstr "" #. Tag: para #, no-c-format msgid "Now load the DRBD kernel module and confirm that everything is sane" msgstr "Caricando il modulo DRBD del kernel e verificando che tutto sia a posto" #. Tag: programlisting #, no-c-format msgid "" "# modprobe drbd\n" "# drbdadm up wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Repeat on the second node" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- drbdadm --force create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success\n" "# ssh pcmk-2 -- modprobe drbd\n" "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" "# ssh pcmk-2 -- drbdadm up wwwdata\n" "# ssh pcmk-2 -- cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1:" msgstr "Ora va indicato a DRBD quale set di dati utilizzare. Dal momento che entrambe le parti contengono dati non necessari è possibile lanciare il seguente comando su pcmk-1:" #. Tag: programlisting #, no-c-format msgid "" "# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r-----\n" " ns:8064 nr:0 dw:0 dr:8728 al:0 bm:0 lo:0 pe:1 ua:0 ap:0 ep:1 wo:f oos:1007804\n" " [>....................] sync'ed: 0.9% (1007804/1015740)K\n" " finish: 0:12:35 speed: 1,320 (1,320) K/sec" msgstr "" #. Tag: para #, no-c-format msgid "After a while, the sync should finish and you’ll see:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----\n" " ns:1015740 nr:0 dw:0 dr:1016404 al:0 bm:62 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pcmk-1 is now in the Primary state which allows it to be written to. Which means it’s a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource." msgstr "pcmk-1 è quindi in stato Primary, cioè scrivibile. Questo significa che è possibile crearvi un filesystem e popolarlo con dati da servire via la risorsa WebSite." #. Tag: title #, no-c-format msgid "Populate DRBD with Data" msgstr "Popolare DRBD con i dati" #. Tag: programlisting #, no-c-format msgid "" "# mkfs.ext4 /dev/drbd1\n" "mke2fs 1.42 (29-Nov-2011)\n" "Filesystem label=\n" "OS type: Linux\n" "Block size=4096 (log=2)\n" "Fragment size=4096 (log=2)\n" "Stride=0 blocks, Stripe width=0 blocks\n" "63488 inodes, 253935 blocks\n" "12696 blocks (5.00%) reserved for the super user\n" "First data block=0\n" "Maximum filesystem blocks=260046848\n" "8 block groups\n" "32768 blocks per group, 32768 fragments per group\n" "7936 inodes per group\n" "Superblock backups stored on blocks:\n" " 32768, 98304, 163840, 229376\n" "\n" "Allocating group tables: done\n" "Writing inode tables: done\n" "Creating journal (4096 blocks): done\n" "Writing superblocks and filesystem accounting information: done" msgstr "" #. Tag: para #, no-c-format msgid "Now mount the newly created filesystem so we can create our index file" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" " <html>\n" " <body>My Test Site - drbd</body>\n" " </html>\n" "END\n" "# umount /dev/drbd1" msgstr "" #. Tag: title #, no-c-format msgid "Configure the Cluster for DRBD" msgstr "Configurare il cluster per DRBD" #. Tag: para #, no-c-format msgid "One handy feature pcs has is the ability to queue up several changes into a file and commit those changes atomically. To do this, start by populating the file with the current raw xml config from the cib. This can be done using the following command." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib drbd_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Now using the pcs -f option, make changes to the configuration saved in the drbd_cfg file. These changes will not be seen by the cluster until the drbd_cfg file is pushed into the live cluster’s cib later on." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs -f drbd_cfg resource create WebData ocf:linbit:drbd \\\n" " drbd_resource=wwwdata op monitor interval=60s\n" "# pcs -f drbd_cfg resource master WebDataClone WebData \\\n" " master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \\\n" " notify=true" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f drbd_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Stopped: [ WebData:0 WebData:1 ]" msgstr "" #. Tag: para #, no-c-format msgid "After you are satisfied with all the changes, you can commit all the changes at once by pushing the drbd_cfg file into the live cib." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster push cib drbd_cfg\n" "CIB updated\n" "\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:19:49 2012\n" "Last change: Fri Sep 14 12:19:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "4 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "TODO: Include details on adding a second DRBD resource" msgstr "Dettagli su come aggiungere una seconda risorsa DRBD" #. Tag: para #, no-c-format msgid "Now that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem’s definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted)." msgstr "Ora che DRBD sta funzionando è possibile configurare una risorsa filesystem per utilizzarlo. In aggiunta alla definizione del filesystem si necessita inoltre di indicare al cluster dove questa sia localizzata (cioè solo sul nodo Primary di DRBD) e quando ad essa è consentito avviarsi (solo dopo che il nodo Primary è stato attivato)." #. Tag: para #, no-c-format msgid "We are going to take a shortcut when creating the resource this time though. Instead of explicitly saying we want the ocf:heartbeat:Filesystem script, we are only going to ask for Filesystem. We can do this because we know there is only one resource script named Filesystem available to pacemaker, and that pcs is smart enough to fill in the ocf:heartbeat portion for us correctly in the configuration. If there were multiple Filesystem scripts from different ocf providers, we would need to specify the exact one we wanted to use." msgstr "" #. Tag: para #, no-c-format msgid "Once again we will queue up our changes to a file and then push the new configuration to the cluster as the final step." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib fs_cfg\n" "# pcs -f fs_cfg resource create WebFS Filesystem \\\n" " device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" \\\n" " fstype=\"ext4\"" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebFS WebDataClone INFINITY with-rsc-role=Master\n" "# pcs -f fs_cfg constraint order promote WebDataClone then start WebFS\n" "Adding WebDataClone WebFS (kind: Mandatory) (Options: first-action=promote then-action=start)" msgstr "" #. Tag: para #, no-c-format msgid "We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start." msgstr "Vi è inoltre la necessità di indicare al cluster che Apache necessità di funzionare sullo stessa macchina del filesystem e che questo debba essere attivato prima che Apache venga avviato." #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebSite WebFS INFINITY\n" "# pcs -f fs_cfg constraint order WebFS then WebSite" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now review the updated configuration." msgstr "E' tempo di revisionare la configurazione aggiornata:" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS\n" "\n" "# pcs -f fs_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "After reviewing the new configuration, we again upload it and watch the cluster put it into effect." msgstr "Dopo la revisione della nuova configurazione questa va caricata e si potrà osservarla in azione all'interno del cluster." #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster push cib fs_cfg\n" "CIB updated\n" "# pcs status\n" " Last updated: Fri Aug 10 12:47:01 2012\n" "\n" " Last change: Fri Aug 10 12:46:55 2012 via cibadmin on pcmk-1\n" " Stack: corosync\n" " Current DC: pcmk-1 (1) - partition with quorum\n" " Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" " 2 Nodes configured, unknown expected votes\n" " 5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Testing Migration" msgstr "Testare la migrazione" #. Tag: para #, fuzzy, no-c-format msgid "We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called \"standby mode\". Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources' packages." msgstr "E' possibile spegnere ancora il nodo attivo, ma un altro metodo per smulare il recovery in maniera salutare è quello di porre il nodo nel così detto \"standby mode\". I nodi in questo stato indicano al cluster che non sono in grado di ospitare risorse. Qualsiasi risorsa attiva verrà spostata altrove. Questa funzionalità può essere particolarmente utile durante gli aggiornamenti dei pacchetti delle risorse." #. Tag: para #, no-c-format msgid "Put the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node’s status will change to indicate that it can no longer host resources." msgstr "Mettendo il nodo locale in standby consentirà di osservare il cluster spostare tutte le risorse sull'altro nodo. Da notare inoltre come lo stato del nodo cambierà, indicando che non può più ospitare risorse." #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster standby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:41:12 2012\n" "Last change: Fri Sep 14 12:41:08 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Node pcmk-1 (1): standby\n" "Online: [ pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" "WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Stopped: [ WebData:1 ]\n" "WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Once we’ve done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again." msgstr "Fatto quanto necessario su pcmk-1 (in questo caso nulla, si è solo osservato le risorse spostarsi), è possibile consentire il nodo ad essere nuovamente parte integrante del cluster." #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster unstandby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:43:02 2012\n" "Last change: Fri Sep 14 12:42:57 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1." msgstr "Notare come ora l'impostazione di stickiness delle risorse prevenga la migrazione dei servizi nuovamente verso pcmk-1." #~ msgid "One handy feature of the crm shell is that you can use it in interactive mode to make several changes atomically." #~ msgstr "Un comoda funzione della shell crm è quella di rendere interattivi comandi per effettuare diversi cambiamenti automatici." #~ msgid "First we launch the shell. The prompt will change to indicate you’re in interactive mode." #~ msgstr "Inizialmente va lanciata la shell. Il prompt cambierà, indicando l'accesso alla modalità interattiva." #~ msgid "Next we must create a working copy or the current configuration. This is where all our changes will go. The cluster will not see any of them until we say its ok. Notice again how the prompt changes, this time to indicate that we’re no longer looking at the live cluster." #~ msgstr "Successivamente è necessario creare una copia funzionante della configurazione attuale. Sarà qui che i cambiamenti verranno effettuati. Il cluster non vedrà nessun cambiamento finché non verrà data conferma da parte dell'utente. Da notare ancora una volta come il prompt cambia, in questo caso indicando che non si sta più osservando il cluster attivo." #~ msgid "Now we can create our DRBD clone and display the revised configuration." #~ msgstr "Ora è possibile creare il clone DRBD e visualizzare la configurazione revisionata." #~ msgid "Once we’re happy with the changes, we can tell the cluster to start using them and use crm_mon to check everything is functioning." #~ msgstr "Quando i cambiamenti saranno giudicati sufficienti sarà possibile indicare al cluster di iniziare ad usarli, ed utilizzare crm_mon per verificare che tutto stia funzionando." #~ msgid "Once again we’ll use the shell’s interactive mode" #~ msgstr "Ancora una volta verrà utilizzata la shell in modalità interattiva" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Stonith.po000066400000000000000000000242631217637305600246310ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-04 11:42+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configure STONITH" msgstr "Configurare STONITH" #. Tag: title #, fuzzy, no-c-format msgid "What Is STONITH" msgstr "Perché STONITH è necessario" #. Tag: para #, fuzzy, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "STONITH è l'acronimo di Shoot-The-Other-Node-In-The-Head e protegge i dati dalla corruzione derivante da accessi concorrenti incontrollati." #. Tag: para #, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "Solo perché un nodo non è responsivo non significa che non stia accedendo ai dati. L'unica via per essere sicuri al 100% che i dati sono al sicuro è quella di utilizzare STONITH in modo da essere certi che il nodo sia effettivamente offline, prima di consentire ad altri nodi di accedere ai dati." #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "STONITH gioca un ruolo importante anche nel caso in cui un servizio clusterizzato non può essere stoppato. In questo caso il cluster utilizza STONITH per forzare l'intero nodo offline, rendendo di fatto sicuro l'avvio del servizio altrove." #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "Quale device STONITH andrebbe utilizzato" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "E' cruciale che il device STONITH sia in grado di differenziare un guasto del nodo da un guasto di rete." #. Tag: para #, fuzzy, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "L'errore più grande commesso nello scegliere un device STONITH è di utilizzare un \"remote power switch\" (come molti IMPI onboard controller) che condivide l'alimentazione con il nodo che controlla. In questi casi, il cluster non può essere sicuro che il nodo sia realmente offline o attivo ma staccato dalla rete." #. Tag: para #, fuzzy, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "Allo stesso modo, ogni device che risiede su una macchina attiva (come il device basato su SSH utilizzato durante i test) risulta inappropriato." #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "Configurare STONITH" #. Tag: para #, fuzzy, no-c-format msgid "Find the correct driver: pcs stonith list" msgstr "Individuare il driver corretto: stonith -L" #. Tag: para #, no-c-format msgid "Find the parameters associated with the device: pcs stonith describe <agent name>" msgstr "" #. Tag: para #, no-c-format msgid "Create a local config to make changes to pcs cluster cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Create the fencing resource using pcs -f stonith_cfg stonith create <stonith_id> <stonith device type> [stonith device options]" msgstr "" #. Tag: para #, no-c-format msgid "Set stonith-enable to true. pcs -f stonith_cfg property set stonith-enabled=true" msgstr "" #. Tag: para #, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "Commit the new configuration. pcs cluster push cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "" #. Tag: title #, no-c-format msgid "Example" msgstr "Esempio" #. Tag: para #, fuzzy, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "Assumendo di possedere un IBM BladeCenter contenente i due nodi e che l'interfaccia di gestione sia attiva su 192.168.122.31, verrà quindi scelto il driver external/ibmrsa, ottenendo la seguente lista di parametri" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith describe fence_ipmilan\n" "Stonith options for: fence_ipmilan\n" " auth: IPMI Lan Auth type (md5, password, or none)\n" " ipaddr: IPMI Lan IP to talk to\n" " passwd: Password (if required) to control power on IPMI device\n" " passwd_script: Script to retrieve password (if required)\n" " lanplus: Use Lanplus\n" " login: Username/Login (if required) to control power on IPMI device\n" " action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata\n" " timeout: Timeout (sec) for IPMI operation\n" " cipher: Ciphersuite to use (same as ipmitool -C parameter)\n" " method: Method to fence (onoff or cycle)\n" " power_wait: Wait X seconds after on/off operation\n" " delay: Wait X seconds before fencing is started\n" " privlvl: Privilege level on IPMI device\n" " verbose: Verbose mode" msgstr "" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib stonith_cfg\n" "# pcs -f stonith_cfg stonith create impi-fencing fence_ipmilan \\\n" " pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser \\\n" " passwd=acd123 op monitor interval=60s" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg stonith\n" " impi-fencing (stonith:fence_ipmilan) Stopped" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "Ed infine, visto che era stato disabilitato in precedenza, è necessario riabilitare STONITH" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg property set stonith-enabled=true\n" "# pcs -f stonith_cfg property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib stonith_cfg" msgstr "" #~ msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters required by the device: stonith -t {type} -n" #~ msgstr "Dal momento che ogni device è diverso dagli altri, i parametri necessari a configurarlo saranno vari. Per individuare i parametri richiesti dal device: stonith -t {type} -n" #~ msgid "Hopefully the developers chose names that make sense, if not you can query for some additional information by finding an active cluster node and running:" #~ msgstr "Fortunatamente gli sviluppatori hanno scelto nomi che hanno senso, altrimenti è possibile ricavare informazioni aggiuntive recandosi su un nodo attivo del cluster e lanciando:" #~ msgid "The output should be XML formatted text containing additional parameter descriptions" #~ msgstr "L'output dovrebbe essere testo formattato in XML contenente parametri descrittori aggiuntivi" #~ msgid "Create a file called stonith.xml containing a primitive resource with a class of stonith, a type of {type} and a parameter for each of the values returned in step 2" #~ msgstr "Creare un file chiamato stonith.xml contenente una risorsa primitiva di classe stonith, un tipo {type} ed un parametro per ciascuno dei valori ricavati nello step 2" #~ msgid "Create a clone from the primitive resource if the device can shoot more than one node and supports multiple simultaneous connections." #~ msgstr "Creare un clone dalla risorsa primitiva se il device può sparare a più di un singolo nodo e supporta connessioni simultanee multiple." #~ msgid "Upload it into the CIB using cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgstr "Caricare il file nel CIB utilizzando cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgid "Assuming we know the username and password for the management interface, we would create a STONITH resource with the shell" #~ msgstr "Assumendo di conoscere lo username e la password per l'interfaccia di gestione, verrà creata una risorsa STONITH con la shell" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Tools.po000066400000000000000000000164731217637305600243050ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-02 16:21+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Pacemaker Tools" msgstr "Utilizzare i tool di Pacemaker" #. Tag: title #, no-c-format msgid "Using Pacemaker Tools" msgstr "Utilizzare i tool di Pacemaker" #. Tag: para #, no-c-format msgid "In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster." msgstr "Nell'oscuro passato configurare Pacemaer richiedeva all'amministratore di leggere e scrivere XML. In vero stile UNIX c'erano inoltre parecchi comandi differendi, specializzati in aspetti differenti di interrogazione ed aggiornamento del cluster." #. Tag: para #, no-c-format msgid "All of that has been greatly simplified with the creation of unified command-line shells (and GUIs) that hide all the messy XML scaffolding." msgstr "" #. Tag: para #, no-c-format msgid "These shells take all the individual aspects required for managing and configuring a cluster, and packs them into one simple to use command line tool." msgstr "" #. Tag: para #, no-c-format msgid "They even allow you to queue up several changes at once and commit them atomically." msgstr "" #. Tag: para #, no-c-format msgid "There are currently two command-line shells that people use, pcs and crmsh. This edition of Clusters from Scratch is based on pcs. Start by taking some time to familiarize yourself with what it can do." msgstr "" #. Tag: para #, no-c-format msgid "The two shells share many concepts but the scope, layout and syntax does differ, so make sure you read the version of this guide that corresponds to the software installed on your system." msgstr "" #. Tag: para #, no-c-format msgid "Since pcs has the ability to manage all aspects of the cluster (both corosync and pacemaker), it requires a specific cluster stack to be in use, (corosync 2.0 with votequorum + Pacemaker version >= 1.8)." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Control and configure pacemaker and corosync.\n" "\n" "Options:\n" " -h Display usage and exit\n" " -f file Perform actions on file instead of active CIB\n" "\n" "Commands:\n" " resource Manage cluster resources\n" " cluster Configure cluster options and nodes\n" " stonith Configure fence devices\n" " property Set pacemaker properties\n" " constraint Set resource constraints\n" " status View cluster status" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the different aspects of cluster management are broken up into categories: resource, cluster, stonith, property, constraint, and status. To discover the functionality available in each of these categories, one can issue the command pcs <category> help. Below is an example of all the options available under the status category." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status help" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Usage: pcs status [commands]...\n" "View current cluster and resource status\n" "Commands:\n" " status\n" " View all information about the cluster and resources\n" "\n" " status resources\n" " View current status of cluster resources\n" "\n" " status groups\n" " View currently configured groups and their resources\n" "\n" " status cluster\n" " View current cluster status\n" "\n" " status corosync\n" " View current corosync status\n" "\n" " status nodes [corosync]\n" " View current status of nodes from pacemaker, or if corosync is\n" " specified, print nodes currently configured in corosync\n" "\n" " status actions\n" " View failed actions\n" "\n" " status pcsd <node> ...\n" " Show the current status of pcsd on the specified nodes\n" "\n" " status xml\n" " View xml version of status (output from crm_mon -r -1 -X)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Additionally, if you are interested in the Pacemaker version and supported cluster stack(s) available with your current Pacemaker installation, the pacemakerd --features option is available to you." msgstr "La versione ed il cluster stack supportati di Pacemaker sono inoltre disponibili attraverso l'opzione --version." #. Tag: programlisting #, no-c-format msgid "# pacemakerd --features" msgstr "" #. Tag: screen #, no-c-format msgid "" "Pacemaker 1.1.8 (Build: 434edfa)\n" " Supporting: generated-manpages agent-manpages ascii-docs publican-docs ncurses gcov libqb-logging libqb-ipc lha-fencing upstart systemd heartbeat corosync-native snmp" msgstr "" #. Tag: para #, no-c-format msgid "If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details." msgstr "Se SNMP e/o le opzioni mail non sono listate allora Pacemaker non è stato compilato per supportare queste funzionalità. Potrebbe essere dovuto ad una scelta della distribuzione che si sta utilizzando oppure al fatto che le librerie necessarie non sono disponibili. In questo caso è bene contattare il fornitore dei pacchetti per avere maggiori dettagli." #~ msgid "Since Pacemaker 1.0, this has all changed and we have an integrated, scriptable, cluster shell that hides all the messy XML scaffolding. It even allows you to queue up several changes at once and commit them atomically." #~ msgstr "Con Pacemaker 1.0 tutto questo è cambiato ed ora esiste una cluster shell integrata e scriptabile che nasconde tutta la confusionaria impalcatura XML. Essa permette di accodare i diversi cambiamente in una sola volta ed applicarli automaticamente." #~ msgid "Take some time to familiarize yourself with what it can do." #~ msgstr "Va dedicato del tempo a familiarizzare con le peculiarità della shell." #~ msgid "The primary tool for monitoring the status of the cluster is crm_mon (also available as crm status). It can be run in a variety of modes and has a number of output options. To find out about any of the tools that come with Pacemaker, simply invoke them with the --help option or consult the included man pages. Both sets of output are created from the tool, and so will always be in sync with each other and the tool itself." #~ msgstr "Il principale tool per il monitoraggio dello stato è crm_mon (disponibile anche come crm status). Può essere lanciato in diverse modalità e con svariate tipologie di output. Per scoprire le funzionalità dei tool disponibili con Pacemaker è sufficiente invocarli con l'opzione --help oppure consultare le man page incluse. Entrambe i tipi di output sono creati dal tool e quindi saranno sempre sincronizzate l'una con l'altra, oltre che con il tool stesso." pacemaker-master/doc/Clusters_from_Scratch/it-IT/Ch-Verification.po000066400000000000000000000142751217637305600256250ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-08-02 16:00+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Verify Cluster Installation" msgstr "Verifica dell'installazione del cluster" #. Tag: title #, no-c-format msgid "Start the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Now that corosync is configured, it is time to start the cluster. The command below will start corosync and pacemaker on both nodes in the cluster. If you are issuing the start command from a different node than the one you ran the pcs cluster auth command on earlier, you must authenticate on current node you are logged into before you will be allowed to start the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start --all\n" "pcmk-1: Starting Cluster...\n" "pcmk-2: Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "An alternative to using the pcs cluster startall command is to issue either of the below commands on each node in the cluster by hand." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start\n" "Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "or" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start corosync.service\n" "# systemctl start pacemaker.service" msgstr "" #. Tag: title #, no-c-format msgid "Verify Corosync Installation" msgstr "Verifica dell'installazione di Corosync" #. Tag: para #, no-c-format msgid "The first thing to check is if cluster communication is happy, for that we use corosync-cfgtool." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cfgtool -s\n" "Printing ring status.\n" "Local node ID 1\n" "RING ID 0\n" " id = 192.168.122.101\n" " status = ring 0 active with no faults" msgstr "" #. Tag: para #, no-c-format msgid "We can see here that everything appears normal with our fixed IP address, not a 127.0.0.x loopback address, listed as the id and no faults for the status." msgstr "" #. Tag: para #, no-c-format msgid "If you see something different, you might want to start by checking the node’s network, firewall and selinux configurations." msgstr "" #. Tag: para #, no-c-format msgid "Next we check the membership and quorum APIs:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cmapctl | grep members\n" "runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.122.101)\n" "runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.1.status (str) = joined\n" "runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.122.102)\n" "runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.2.status (str) = joined\n" "\n" "# pcs status corosync\n" "Membership information\n" " --------------------------\n" " Nodeid Votes Name\n" " 1 1 pcmk-1\n" " 2 1 pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "You should see both nodes have joined the cluster." msgstr "" #. Tag: para #, no-c-format msgid "All good!" msgstr "" #. Tag: title #, no-c-format msgid "Verify Pacemaker Installation" msgstr "Verifica dell'installazione di Pacemaker" #. Tag: para #, fuzzy, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack. Pacemaker has already been started, so verify the necessary processes are running." msgstr "Ora che è stato verificato come Corosync sia funzionante è quindi possibile controllare il resto dello stack." #. Tag: programlisting #, no-c-format msgid "" "# ps axf\n" " PID TTY STAT TIME COMMAND\n" " 2 ? S 0:00 [kthreadd]\n" "...lots of processes...\n" "28019 ? Ssl 0:03 /usr/sbin/corosync\n" "28047 ? Ss 0:00 /usr/sbin/pacemakerd -f\n" "28048 ? Ss 0:00 \\_ /usr/libexec/pacemaker/cib\n" "28049 ? Ss 0:00 \\_ /usr/libexec/pacemaker/stonithd\n" "28050 ? Ss 0:00 \\_ /usr/lib64/heartbeat/lrmd\n" "28051 ? Ss 0:00 \\_ /usr/libexec/pacemaker/attrd\n" "28052 ? Ss 0:00 \\_ /usr/libexec/pacemaker/pengine\n" "28053 ? Ss 0:00 \\_ /usr/libexec/pacemaker/crmd" msgstr "" #. Tag: para #, no-c-format msgid "If that looks ok, check the pcs status output." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 09:52:25 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next, check for any ERRORs during startup - there shouldn’t be any." msgstr "Ed infine controllo di errori di qualsiasi tipo durante l'avvio (non se ne dovrebbero rilevare) e visualizzare lo stato del cluster." #. Tag: programlisting #, no-c-format msgid "# grep -i error /var/log/messages" msgstr "" #. Tag: para #, no-c-format msgid "Repeat these checks on the other node. The results should be the same." msgstr "" #~ msgid "Start Corosync on the first node" #~ msgstr "Avvio di Corosync sul primo nodo" #~ msgid "Check the cluster started correctly and that an initial membership was able to form" #~ msgstr "Controllo del corretto avvio del cluster e che è stata formata la membership iniziale" #~ msgid "With one node functional, its now safe to start Corosync on the second node as well." #~ msgstr "Con un nodo funzionante è ora sicuro avviare Corosync anche sul secondo nodo." #~ msgid "Check the cluster formed correctly" #~ msgstr "Controllo della corretta formazione del cluster" #~ msgid "Now verify the Pacemaker processes have been started" #~ msgstr "Verifica che i processi Pacemaker sono stati avviati" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Clusters_from_Scratch.po000066400000000000000000000005541217637305600271440ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-07T15:51:41\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Preface.po000066400000000000000000000006571217637305600242170ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-14 14:49+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "Prefazione" pacemaker-master/doc/Clusters_from_Scratch/it-IT/Revision_History.po000066400000000000000000000024341217637305600261640ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-07-07T15:51:41\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: member #, no-c-format msgid "Italian translation" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 13" msgstr "" #. Tag: member #, no-c-format msgid "Update the GFS2 section to use CMAN" msgstr "" #. Tag: member #, no-c-format msgid "Generate docbook content from asciidoc sources" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 17" msgstr "" #. Tag: firstname #, no-c-format msgid "David" msgstr "" #. Tag: surname #, no-c-format msgid "Vossel" msgstr "" #. Tag: member #, no-c-format msgid "Updated for pcs" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/000077500000000000000000000000001217637305600221565ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/pot/Ap-Configuration.pot000066400000000000000000000414131217637305600260520ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Recap" msgstr "" #. Tag: title #, no-c-format msgid "Final Cluster Configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100\n" "# pcs resource op defaults\n" "timeout: 240s\n" "# pcs stonith\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " ClusterIP-clone then WebSite-clone\n" " WebDataClone then WebSite-clone\n" " WebFS-clone then WebSite-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone\n" "#\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 13:45:34 2012\n" "Last change: Fri Sep 14 13:43:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "11 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " impi-fencing (stonith:fence_ipmilan): Started" msgstr "" #. Tag: para #, no-c-format msgid "In xml it should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib admin_epoch=\"0\" cib-last-written=\"Fri Sep 14 13:43:13 2012\" crm_feature_set=\"3.0.6\" dc-uuid=\"1\" epoch=\"47\" have-quorum=\"1\" num_updates=\"50\" update-client=\"cibadmin\" update-origin=\"pcmk-1\" validate-with=\"pacemaker-1.2\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " <nvpair id=\"cib-bootstrap-options-no-quorum-policy\" name=\"no-quorum-policy\" value=\"ignore\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"true\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" type=\"normal\" uname=\"pcmk-1\"/>\n" " <node id=\"2\" type=\"normal\" uname=\"pcmk-2\"/>\n" " </nodes>\n" " <resources>\n" " <master id=\"WebDataClone\">\n" " <primitive class=\"ocf\" id=\"WebData\" provider=\"linbit\" type=\"drbd\">\n" " <instance_attributes id=\"WebData-instance_attributes\">\n" " <nvpair id=\"WebData-instance_attributes-drbd_resource\" name=\"drbd_resource\" value=\"wwwdata\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebData-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebDataClone-meta_attributes\">\n" " <nvpair id=\"WebDataClone-meta_attributes-master-node-max\" name=\"master-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-notify\" name=\"notify\" value=\"true\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-master-max\" name=\"master-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </master>\n" " <clone id=\"dlm-clone\">\n" " <primitive class=\"ocf\" id=\"dlm\" provider=\"pacemaker\" type=\"controld\">\n" " <instance_attributes id=\"dlm-instance_attributes\"/>\n" " <operations>\n" " <op id=\"dlm-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"dlm-clone-meta\">\n" " <nvpair id=\"dlm-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"dlm-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"ClusterIP-clone\">\n" " <primitive class=\"ocf\" id=\"ClusterIP\" provider=\"heartbeat\" type=\"IPaddr2\">\n" " <instance_attributes id=\"ClusterIP-instance_attributes\">\n" " <nvpair id=\"ClusterIP-instance_attributes-ip\" name=\"ip\" value=\"192.168.0.120\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-cidr_netmask\" name=\"cidr_netmask\" value=\"32\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-clusterip_hash\" name=\"clusterip_hash\" value=\"sourceip\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ClusterIP-interval-30s\" interval=\"30s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"ClusterIP-clone-meta\">\n" " <nvpair id=\"ClusterIP-globally-unique\" name=\"globally-unique\" value=\"true\"/>\n" " <nvpair id=\"ClusterIP-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"ClusterIP-clone-node-max\" name=\"clone-node-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"WebFS-clone\">\n" " <primitive class=\"ocf\" id=\"WebFS\" provider=\"heartbeat\" type=\"Filesystem\">\n" " <instance_attributes id=\"WebFS-instance_attributes\">\n" " <nvpair id=\"WebFS-instance_attributes-device\" name=\"device\" value=\"/dev/drbd/by-res/wwwdata\"/>\n" " <nvpair id=\"WebFS-instance_attributes-directory\" name=\"directory\" value=\"/var/www/html\"/>\n" " <nvpair id=\"WebFS-instance_attributes-fstype\" name=\"fstype\" value=\"gfs2\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"WebFS-meta_attributes\"/>\n" " </primitive>\n" " <meta_attributes id=\"WebFS-clone-meta\"/>\n" " </clone>\n" " <clone id=\"WebSite-clone\">\n" " <primitive class=\"ocf\" id=\"WebSite\" provider=\"heartbeat\" type=\"apache\">\n" " <instance_attributes id=\"WebSite-instance_attributes\">\n" " <nvpair id=\"WebSite-instance_attributes-configfile\" name=\"configfile\" value=\"/etc/httpd/conf/httpd.conf\"/>\n" " <nvpair id=\"WebSite-instance_attributes-statusurl\" name=\"statusurl\" value=\"http://localhost/server-status\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebSite-interval-1min\" interval=\"1min\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebSite-clone-meta\"/>\n" " </clone>\n" " <primitive class=\"stonith\" id=\"impi-fencing\" type=\"fence_ipmilan\">\n" " <instance_attributes id=\"impi-fencing-instance_attributes\">\n" " <nvpair id=\"impi-fencing-instance_attributes-pcmk_host_list\" name=\"pcmk_host_list\" value=\"pcmk-1 pcmk-2\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-ipaddr\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-login\" name=\"login\" value=\"testuser\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-passwd\" name=\"passwd\" value=\"acd123\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"impi-fencing-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"colocation-WebSite-ClusterIP-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"ClusterIP-clone\"/>\n" " <rsc_order first=\"ClusterIP-clone\" first-action=\"start\" id=\"order-ClusterIP-WebSite-mandatory\" then=\"WebSite-clone\" then-action=\"start\"/>\n" " <rsc_colocation id=\"colocation-WebFS-WebDataClone-INFINITY\" rsc=\"WebFS-clone\" score=\"INFINITY\" with-rsc=\"WebDataClone\" with-rsc-role=\"Master\"/>\n" " <rsc_colocation id=\"colocation-WebSite-WebFS-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"WebFS-clone\"/>\n" " <rsc_order first=\"WebFS-clone\" id=\"order-WebFS-WebSite-mandatory\" then=\"WebSite-clone\"/>\n" " <rsc_order first=\"WebDataClone\" first-action=\"promote\" id=\"order-WebDataClone-WebFS-mandatory\" then=\"WebFS-clone\" then-action=\"start\"/>\n" " </constraints>\n" " <rsc_defaults>\n" " <meta_attributes id=\"rsc_defaults-options\">\n" " <nvpair id=\"rsc_defaults-options-resource-stickiness\" name=\"resource-stickiness\" value=\"100\"/>\n" " </meta_attributes>\n" " </rsc_defaults>\n" " <op_defaults>\n" " <meta_attributes id=\"op_defaults-options\">\n" " <nvpair id=\"op_defaults-options-timeout\" name=\"timeout\" value=\"240s\"/>\n" " </meta_attributes>\n" " </op_defaults>\n" " </configuration>\n" "</cib>" msgstr "" #. Tag: title #, no-c-format msgid "Node List" msgstr "" #. Tag: para #, no-c-format msgid "The list of cluster nodes is automatically populated by the cluster." msgstr "" #. Tag: literallayout #, no-c-format msgid "Pacemaker Nodes:\n" " Online: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "" #. Tag: para #, no-c-format msgid "This is where the cluster automatically stores some information about the cluster" msgstr "" #. Tag: para #, no-c-format msgid "dc-version - the version (including upstream source-code hash) of Pacemaker used on the DC" msgstr "" #. Tag: para #, no-c-format msgid "cluster-infrastructure - the cluster infrastructure being used (heartbeat or openais)" msgstr "" #. Tag: para #, no-c-format msgid "expected-quorum-votes - the maximum number of nodes expected to be part of the cluster" msgstr "" #. Tag: para #, no-c-format msgid "and where the admin can set options that control the way the cluster operates" msgstr "" #. Tag: para #, no-c-format msgid "stonith-enabled=true - Make use of STONITH" msgstr "" #. Tag: para #, no-c-format msgid "no-quorum-policy=ignore - Ignore loss of quorum and continue to host resources." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: title #, no-c-format msgid "Resources" msgstr "" #. Tag: title #, no-c-format msgid "Default Options" msgstr "" #. Tag: para #, no-c-format msgid "Here we configure cluster options that apply to every resource." msgstr "" #. Tag: para #, no-c-format msgid "resource-stickiness - Specify the aversion to moving resources to other machines" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #. Tag: title #, no-c-format msgid "Fencing" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs stonith show\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs stonith show impi-fencing\n" "Resource: impi-fencing\n" " pcmk_host_list: pcmk-1 pcmk-2\n" " ipaddr: 10.0.0.1\n" " login: testuser\n" " passwd: acd123" msgstr "" #. Tag: title #, no-c-format msgid "Service Address" msgstr "" #. Tag: para #, no-c-format msgid "Users of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one \"request bucket\" for each node) and that if one node fails, then the remaining node should hold both." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource show ClusterIP-clone\n" "Resource: ClusterIP-clone\n" " ip: 192.168.0.120\n" " cidr_netmask: 32\n" " clusterip_hash: sourceip\n" " globally-unique: true\n" " clone-max: 2\n" " clone-node-max: 2\n" " op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "TODO: The RA should check for globally-unique=true when cloned" msgstr "" #. Tag: title #, no-c-format msgid "DRBD - Shared Storage" msgstr "" #. Tag: para #, no-c-format msgid "Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it’s peer changes state." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource show WebDataClone\n" "Resource: WebDataClone\n" " drbd_resource: wwwdata\n" " master-node-max: 1\n" " clone-max: 2\n" " clone-node-max: 1\n" " notify: true\n" " master-max: 2\n" " op monitor interval=60s\n" "# pcs constraint ref WebDataClone\n" "Resource: WebDataClone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Filesystem" msgstr "" #. Tag: para #, no-c-format msgid "The cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource show WebFS-clone\n" "Resource: WebFS-clone\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" "# pcs constraint ref WebFS-clone\n" "Resource: WebFS-clone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-WebFS-WebSite-mandatory\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Apache" msgstr "" #. Tag: para #, no-c-format msgid "Lastly we have the actual service, Apache. We need only tell the cluster where to find it’s main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource show WebSite-clone\n" "Resource: WebSite-clone\n" " configfile: /etc/httpd/conf/httpd.conf\n" " statusurl: http://localhost/server-status\n" " master-max: 2\n" " op monitor interval=1min\n" "# pcs constraint ref WebSite-clone\n" "Resource: WebSite-clone\n" " colocation-WebSite-ClusterIP-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-ClusterIP-WebSite-mandatory\n" " order-WebFS-WebSite-mandatory" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ap-Corosync-Conf.pot000066400000000000000000000017721217637305600257310ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Sample Corosync Configuration" msgstr "" #. Tag: title #, no-c-format msgid "Sample corosync.conf for two-node cluster using a node list." msgstr "" #. Tag: literallayout #, no-c-format msgid "# Please read the corosync.conf.5 manual page\n" "totem {\n" "version: 2\n" "secauth: off\n" "cluster_name: mycluster\n" "transport: udpu\n" "}\n" "\n" "nodelist {\n" " node {\n" " ring0_addr: pcmk-1\n" " nodeid: 1\n" " }\n" " node {\n" " ring0_addr: pcmk-2\n" " nodeid: 2\n" " }\n" "}\n" "\n" "quorum {\n" " provider: corosync_votequorum\n" "}\n" "\n" "logging {\n" " to_syslog: yes\n" "}" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ap-Reading.pot000066400000000000000000000020711217637305600246110ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "" #. Tag: para #, no-c-format msgid "Project Website http://www.clusterlabs.org" msgstr "" #. Tag: para #, no-c-format msgid "Cluster Commands A comprehensive guide to cluster commands has been written by SuSE and can be found at: http://www.suse.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html" msgstr "" #. Tag: para #, no-c-format msgid "Corosync http://www.corosync.org" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Author_Group.pot000066400000000000000000000017051217637305600253230ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: contrib #, no-c-format msgid "Italian translation" msgstr "" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Book_Info.pot000066400000000000000000000031741217637305600245540ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Clusters from Scratch" msgstr "" #. Tag: subtitle #, no-c-format msgid "Creating Active/Passive and Active/Active Clusters on Fedora" msgstr "" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "" #. Tag: para #, no-c-format msgid "The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one." msgstr "" #. Tag: para #, no-c-format msgid "The example cluster will use:" msgstr "" #. Tag: para #, no-c-format msgid "&DISTRO; &DISTRO_VERSION; as the host operating system" msgstr "" #. Tag: para #, no-c-format msgid "Corosync to provide messaging and membership services," msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker to perform resource management," msgstr "" #. Tag: para #, no-c-format msgid "DRBD as a cost-effective alternative to shared storage," msgstr "" #. Tag: para #, no-c-format msgid "GFS2 as the cluster filesystem (in active/active mode)" msgstr "" #. Tag: para #, no-c-format msgid "Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs." msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Active-Active.pot000066400000000000000000000335031217637305600256620ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Conversion to Active/Active" msgstr "" #. Tag: title #, no-c-format msgid "Requirements" msgstr "" #. Tag: para #, no-c-format msgid "The primary requirement for an Active/Active cluster is that the data required for your services is available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that." msgstr "" #. Tag: para #, no-c-format msgid "The only hitch is that we need to use a cluster-aware filesystem. The one we used earlier with DRBD, ext4, is not one of those. Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with Fedora 17." msgstr "" #. Tag: title #, no-c-format msgid "Installing the required Software" msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y gfs2-utils dlm kernel-modules-extra" msgstr "" #. Tag: literallayout #, no-c-format msgid "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package dlm.x86_64 0:3.99.4-1.fc17 will be installed\n" "---> Package gfs2-utils.x86_64 0:3.1.4-3.fc17 will be installed\n" "---> Package kernel-modules-extra.x86_64 0:3.4.4-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "================================================================================\n" " Package Arch Version Repository Size\n" "================================================================================\n" "Installing:\n" " dlm x86_64 3.99.4-1.fc17 updates 83 k\n" " gfs2-utils x86_64 3.1.4-3.fc17 fedora 214 k\n" " kernel-modules-extra x86_64 3.4.4-3.fc17 updates 1.7 M\n" "\n" "Transaction Summary\n" "================================================================================\n" "Install 3 Packages\n" "\n" "Total download size: 1.9 M\n" "Installed size: 7.7 M\n" "Downloading Packages:\n" "(1/3): dlm-3.99.4-1.fc17.x86_64.rpm | 83 kB 00:00\n" "(2/3): gfs2-utils-3.1.4-3.fc17.x86_64.rpm | 214 kB 00:00\n" "(3/3): kernel-modules-extra-3.4.4-3.fc17.x86_64.rpm | 1.7 MB 00:01\n" "--------------------------------------------------------------------------------\n" "Total 615 kB/s | 1.9 MB 00:03\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : kernel-modules-extra-3.4.4-3.fc17.x86_64 1/3\n" " Installing : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Installing : dlm-3.99.4-1.fc17.x86_64 3/3\n" " Verifying : dlm-3.99.4-1.fc17.x86_64 1/3\n" " Verifying : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Verifying : kernel-modules-extra-3.4.4-3.fc17.x86_64 3/3\n" "\n" "Installed:\n" " dlm.x86_64 0:3.99.4-1.fc17\n" " gfs2-utils.x86_64 0:3.1.4-3.fc17\n" " kernel-modules-extra.x86_64 0:3.4.4-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Create a GFS2 Filesystem" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "" #. Tag: para #, no-c-format msgid "Before we do anything to the existing partition, we need to make sure it is unmounted. We do this by telling the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource stop WebFS\n" "# pcs resource\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "Note that both Apache and WebFS have been stopped." msgstr "" #. Tag: title #, no-c-format msgid "Create and Populate an GFS2 Partition" msgstr "" #. Tag: para #, no-c-format msgid "Now that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition." msgstr "" #. Tag: para #, no-c-format msgid "This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data." msgstr "" #. Tag: para #, no-c-format msgid "We need to specify a number of additional parameters when creating a GFS2 partition." msgstr "" #. Tag: para #, no-c-format msgid "First we must use the -p option to specify that we want to use the the Kernel’s DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem)." msgstr "" #. Tag: para #, no-c-format msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we need to use the same value as specified in corosync.conf for cluster_name. If you setup corosync with the same cluster name we used in this tutorial, cluster name will be mycluster. If you are unsure what your cluster name is, open up /etc/corosync/corosync.conf, or execute the command pcs cluster corosync pcmk-1 to view the corosync config. The cluster name will be in the totem block." msgstr "" #. Tag: para #, no-c-format msgid "We must run the next command on whichever node last had /dev/drbd mounted. Otherwise you will receive the message:" msgstr "" #. Tag: screen #, no-c-format msgid "/dev/drbd1: Read-only file system" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- mkfs.gfs2 -p lock_dlm -j 2 -t mycluster:web /dev/drbd1\n" "This will destroy any data on /dev/drbd1.\n" "It appears to contain: Linux rev 1.0 ext4 filesystem data, UUID=dc45fff3-c47a-4db2-96f7-a8049a323fe4 (extents) (large files) (huge files)\n" "Are you sure you want to proceed? [y/n]y\n" "Device: /dev/drbd1\n" "Blocksize: 4096\n" "Device Size 0.97 GB (253935 blocks)\n" "Filesystem Size: 0.97 GB (253932 blocks)\n" "Journals: 2\n" "Resource Groups: 4\n" "Locking Protocol: \"lock_dlm\"\n" "Lock Table: \"mycluster\"\n" "UUID: ed293a02-9eee-3fa3-ed1c-435ef1fd0116" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib dlm_cfg\n" "# pcs -f dlm_cfg resource create dlm ocf:pacemaker:controld op monitor interval=60s\n" "# pcs -f dlm_cfg resource clone dlm clone-max=2 clone-node-max=1\n" "# pcs -f dlm_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Stopped: [ dlm:0 dlm:1 ]\n" "# pcs cluster push cib dlm_cfg\n" "CIB updated\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:54:50 2012\n" "Last change: Fri Sep 14 12:54:43 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "7 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: para #, no-c-format msgid "Then (re)populate the new filesystem with data (web pages). For now we’ll create another variation on our home page." msgstr "" #. Tag: programlisting #, no-c-format msgid "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "# umount /dev/drbd1\n" "# drbdadm verify wwwdata#" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure the Cluster for GFS2" msgstr "" #. Tag: para #, no-c-format msgid "With the WebFS resource stopped, lets update the configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: ext4\n" " target-role: Stopped" msgstr "" #. Tag: para #, no-c-format msgid "The fstype option needs to be updated to gfs2 instead of ext4." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource update WebFS fstype=gfs2\n" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" " target-role: Stopped\n" "CIB updated" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure Pacemaker for Active/Active" msgstr "" #. Tag: para #, no-c-format msgid "Almost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we’re using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this." msgstr "" #. Tag: para #, no-c-format msgid "This will involve a number of changes, so we’ll want work with a local cib file." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib active_cfg" msgstr "" #. Tag: para #, no-c-format msgid "There’s no point making the services active on both locations if we can’t reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one \"request bucket\" for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded." msgstr "" #. Tag: screen #, no-c-format msgid "# pcs -f active_cfg resource clone ClusterIP \\\n" " globally-unique=true clone-max=2 clone-node-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Notice when the ClusterIP becomes a clone, the constraints referencing ClusterIP now reference the clone. This is done automatically by pcs." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP-clone\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS" msgstr "" #. Tag: para #, no-c-format msgid "Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update ClusterIP clusterip_hash=sourceip" msgstr "" #. Tag: para #, no-c-format msgid "Next we need to convert the filesystem and Apache resources into clones." msgstr "" #. Tag: para #, no-c-format msgid "Notice how pcs automatically updates the relevant constraints again." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource clone WebFS\n" "# pcs -f active_cfg resource clone WebSite\n" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite-clone\n" " WebFS-clone then WebSite-clone\n" " promote WebDataClone then start WebFS-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone" msgstr "" #. Tag: para #, no-c-format msgid "The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master)." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update WebDataClone master-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster’s response" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib active_cfg\n" "# pcs resource start WebFS" msgstr "" #. Tag: para #, no-c-format msgid "After all the processes are started the status should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Testing Recovery" msgstr "" #. Tag: para #, no-c-format msgid "TODO: Put one node into standby to demonstrate failover" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Active-Passive.pot000066400000000000000000000365011217637305600260620ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Creating an Active/Passive Cluster" msgstr "" #. Tag: title #, no-c-format msgid "Exploring the Existing Configuration" msgstr "" #. Tag: para #, no-c-format msgid "When Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used." msgstr "" #. Tag: para #, no-c-format msgid "This is what the base configuration should look like." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "Last updated: Fri Sep 14 10:12:01 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, no-c-format msgid "For those that are not of afraid of XML, you can see the raw cluster configuration and status by using the pcs cluster cib command." msgstr "" #. Tag: title #, no-c-format msgid "The last XML you’ll see in this document" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib" msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib epoch=\"4\" num_updates=\"19\" admin_epoch=\"0\" validate-with=\"pacemaker-1.2\" crm_feature_set=\"3.0.6\" update-origin=\"pcmk-1\" update-client=\"crmd\" cib-last-written=\"Wed Aug 1 16:08:52 2012\" have-quorum=\"1\" dc-uuid=\"1\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" uname=\"pcmk-1\" type=\"normal\"/>\n" " <node id=\"2\" uname=\"pcmk-2\" type=\"normal\"/>\n" " </nodes>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status>\n" " <node_state id=\"2\" uname=\"pcmk-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"2\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"2\">\n" " <instance_attributes id=\"status-2\">\n" " <nvpair id=\"status-2-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " <node_state id=\"1\" uname=\"pcmk-1\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"1\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"1\">\n" " <instance_attributes id=\"status-1\">\n" " <nvpair id=\"status-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " </status>\n" "</cib>" msgstr "" #. Tag: para #, no-c-format msgid "Before we make any changes, its a good idea to check the validity of the configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_verify -L -V\n" " error: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" " error: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" " error: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" " -V may provide more details" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the tool has found some errors." msgstr "" #. Tag: para #, no-c-format msgid "In order to guarantee the safety of your data If the data is corrupt, there is little point in continuing to make it available , the default for STONITH A common node fencing mechanism. Used to ensure data integrity by powering off \"bad\" nodes in Pacemaker is enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose)." msgstr "" #. Tag: para #, no-c-format msgid "For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled." msgstr "" #. Tag: para #, no-c-format msgid "To disable STONITH, we set the stonith-enabled cluster option to false." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs property set stonith-enabled=false\n" "# crm_verify -L" msgstr "" #. Tag: para #, no-c-format msgid "With the new cluster option set, the configuration is now valid." msgstr "" #. Tag: para #, no-c-format msgid "The use of stonith-enabled=false is completely inappropriate for a production cluster. We use it here to defer the discussion of its configuration which can differ widely from one installation to the next. See for information on why STONITH is important and details on how to configure it." msgstr "" #. Tag: title #, no-c-format msgid "Adding a Resource" msgstr "" #. Tag: para #, no-c-format msgid "The first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.120 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds." msgstr "" #. Tag: para #, no-c-format msgid "The chosen address must not be one already associated with a physical node" msgstr "" #. Tag: screen #, no-c-format msgid "# pcs resource create ClusterIP ocf:heartbeat:IPaddr2 \\\n" " ip=192.168.0.120 cidr_netmask=32 op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "The other important piece of information here is ocf:heartbeat:IPaddr2." msgstr "" #. Tag: para #, no-c-format msgid "This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script." msgstr "" #. Tag: para #, no-c-format msgid "To obtain a list of the available resource standards (the ocf part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource standards\n" "ocf\n" "lsb\n" "service\n" "systemd\n" "stonith" msgstr "" #. Tag: para #, no-c-format msgid "To obtain a list of the available ocf resource providers (the heartbeat part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource providers\n" "heartbeat\n" "linbit\n" "pacemaker\n" "redhat" msgstr "" #. Tag: para #, no-c-format msgid "Finally, if you want to see all the resource agents available for a specific ocf provider (the IPaddr2 part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource agents ocf:heartbeat\n" "AoEtarget\n" "AudibleAlarm\n" "CTDB\n" "ClusterMon\n" "Delay\n" "Dummy\n" ".\n" ". (skipping lots of resources to save space)\n" ".\n" "IPaddr2\n" ".\n" ".\n" ".\n" "symlink\n" "syslog-ng\n" "tomcat\n" "vmware" msgstr "" #. Tag: para #, no-c-format msgid "Now verify that the IP resource has been added and display the cluster’s status to see that it is now active." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:17:00 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Perform a Failover" msgstr "" #. Tag: para #, no-c-format msgid "Being a high-availability cluster, we should test failover of our new resource before moving on." msgstr "" #. Tag: para #, no-c-format msgid "First, find the node on which the IP address is running." msgstr "" #. Tag: para #, no-c-format msgid "Shut down Pacemaker and Corosync on that machine." msgstr "" #. Tag: programlisting #, no-c-format msgid "#pcs cluster stop pcmk-1\n" "Stopping Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "Once Corosync is no longer running, go to the other node and check the cluster status." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:31:01 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Stopped" msgstr "" #. Tag: para #, no-c-format msgid "There are three things to notice about the cluster’s current state. The first is that, as expected, pcmk-1 is now offline. However we can also see that ClusterIP isn’t running anywhere!" msgstr "" #. Tag: title #, no-c-format msgid "Quorum and Two-Node Clusters" msgstr "" #. Tag: para #, no-c-format msgid "This is because the cluster no longer has quorum, as can be seen by the text \"partition WITHOUT quorum\" in the status output. In order to reduce the possibility of data corruption, Pacemaker’s default behavior is to stop all resources if the cluster does not have quorum." msgstr "" #. Tag: para #, no-c-format msgid "A cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true:" msgstr "" #. Tag: literallayout #, no-c-format msgid "total_nodes < 2 * active_nodes" msgstr "" #. Tag: para #, no-c-format msgid "Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless Actually some would argue that two-node clusters are always pointless, but that is an argument for another time , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs property set no-quorum-policy=ignore\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "stonith-enabled: false\n" "no-quorum-policy: ignore" msgstr "" #. Tag: para #, no-c-format msgid "After a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "Last updated: Fri Sep 14 10:38:11 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status. Note, if you get an authentication error with the pcs cluster start pcmk-1 command, you must authenticate on the node using the pcs cluster auth pcmk pcmk-1 pcmk-2 command discussed earlier." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster start pcmk-1\n" "Starting Cluster...\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:42:56 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "In the dark days, the cluster may have moved the IP back to its original location (pcmk-1). Usually this is no longer the case." msgstr "" #. Tag: title #, no-c-format msgid "Prevent Resources from Moving after Recovery" msgstr "" #. Tag: para #, no-c-format msgid "In most circumstances, it is highly desirable to prevent healthy resources from being moved around the cluster. Moving resources almost always requires a period of downtime. For complex services like Oracle databases, this period can be quite long." msgstr "" #. Tag: para #, no-c-format msgid "To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the \"cost\" of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve \"optimal\" It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes creates implicit preferences in situations where the administrator has not explicitly specified them resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource rsc defaults resource-stickiness=100\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Apache.pot000066400000000000000000000452141217637305600244210ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Apache - Adding More Services" msgstr "" #. Tag: title #, no-c-format msgid "Forward" msgstr "" #. Tag: para #, no-c-format msgid "Now that we have a basic but functional active/passive two-node cluster, we’re ready to add some real services. We’re going to start with Apache because its a feature of many clusters and relatively simple to configure." msgstr "" #. Tag: title #, no-c-format msgid "Installation" msgstr "" #. Tag: para #, no-c-format msgid "Before continuing, we need to make sure Apache is installed on both hosts. We also need the wget tool in order for the cluster to be able to check the status of the Apache server." msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y httpd wget" msgstr "" #. Tag: literallayout #, no-c-format msgid "Loaded plugins: langpacks, presto, refresh-packagekit\n" "fedora/metalink | 2.6 kB 00:00\n" "updates/metalink | 3.2 kB 00:00\n" "updates-testing/metalink | 41 kB 00:00\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package httpd.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Processing Dependency: httpd-tools = 2.2.22-3.fc17 for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Running transaction check\n" "---> Package apr.x86_64 0:1.4.6-1.fc17 will be installed\n" "---> Package apr-util.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package apr-util-ldap.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package httpd-tools.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " httpd x86_64 2.2.22-3.fc17 updates-testing 823 k\n" " wget x86_64 1.13.4-2.fc17 fedora 495 k\n" "Installing for dependencies:\n" " apr x86_64 1.4.6-1.fc17 fedora 99 k\n" " apr-util x86_64 1.4.1-2.fc17 fedora 78 k\n" " apr-util-ldap x86_64 1.4.1-2.fc17 fedora 17 k\n" " httpd-tools x86_64 2.2.22-3.fc17 updates-testing 74 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 1 Package (+4 Dependent packages)\n" "\n" "Total download size: 1.1 M\n" "Installed size: 3.5 M\n" "Downloading Packages:\n" "(1/6): apr-1.4.6-1.fc17.x86_64.rpm | 99 kB 00:00\n" "(2/6): apr-util-1.4.1-2.fc17.x86_64.rpm | 78 kB 00:00\n" "(3/6): apr-util-ldap-1.4.1-2.fc17.x86_64.rpm | 17 kB 00:00\n" "(4/6): httpd-2.2.22-3.fc17.x86_64.rpm | 823 kB 00:01\n" "(5/6): httpd-tools-2.2.22-3.fc17.x86_64.rpm | 74 kB 00:00\n" "(6/6): wget-1.13.4-2.fc17.x86_64.rpm | 495 kB 00:01\n" "-------------------------------------------------------------------------------------\n" "Total 238 kB/s | 1.1 MB 00:04\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : apr-1.4.6-1.fc17.x86_64 1/6\n" " Installing : apr-util-1.4.1-2.fc17.x86_64 2/6\n" " Installing : apr-util-ldap-1.4.1-2.fc17.x86_64 3/6\n" " Installing : httpd-tools-2.2.22-3.fc17.x86_64 4/6\n" " Installing : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Installing : wget-1.13.4-2.fc17.x86_64 6/6\n" " Verifying : apr-util-ldap-1.4.1-2.fc17.x86_64 1/6\n" " Verifying : httpd-tools-2.2.22-3.fc17.x86_64 2/6\n" " Verifying : apr-util-1.4.1-2.fc17.x86_64 3/6\n" " Verifying : apr-1.4.6-1.fc17.x86_64 4/6\n" " Verifying : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Verifying : wget-1.13.4-2.fc17.x86_64 6/6\n" "\n" "Installed:\n" " httpd.x86_64 0:2.2.22-3.fc17 wget.x86_64 0:1.13.4-2.fc17\n" "\n" "Dependency Installed:\n" " apr.x86_64 0:1.4.6-1.fc17 apr-util.x86_64 0:1.4.1-2.fc17\n" " apr-util-ldap.x86_64 0:1.4.1-2.fc17 httpd-tools.x86_64 0:2.2.22-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "" #. Tag: para #, no-c-format msgid "First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we’ll create an index file there." msgstr "" #. Tag: programlisting #, no-c-format msgid "# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" "END" msgstr "" #. Tag: para #, no-c-format msgid "For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2." msgstr "" #. Tag: programlisting #, no-c-format msgid "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END" msgstr "" #. Tag: title #, no-c-format msgid "Enable the Apache status URL" msgstr "" #. Tag: para #, no-c-format msgid "In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in /etc/httpd/conf/httpd.conf and make sure it is not disabled or commented out:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>" msgstr "" #. Tag: title #, no-c-format msgid "Update the Configuration" msgstr "" #. Tag: para #, no-c-format msgid "At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2 , the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running." msgstr "" #. Tag: screen #, no-c-format msgid "pcs resource create WebSite ocf:heartbeat:apache \\\n" " configfile=/etc/httpd/conf/httpd.conf \\\n" " statusurl=\"http://localhost/server-status\" op monitor interval=1min" msgstr "" #. Tag: para #, no-c-format msgid "By default, the operation timeout for all resource’s start, stop, and monitor operations is 20 seconds. In many cases this timeout period is less than the advised timeout period. For the purposes of this tutorial, we will adjust the global operation timeout default to 240 seconds." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs resource op defaults timeout=240s\n" "# pcs resource op defaults\n" "timeout: 240s" msgstr "" #. Tag: para #, no-c-format msgid "After a short delay, we should see the cluster start apache" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:51:27 2012\n" "Last change: Fri Sep 14 10:50:46 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: para #, no-c-format msgid "Wait a moment, the WebSite resource isn’t running on the same host as our IP address!" msgstr "" #. Tag: para #, no-c-format msgid "If, in the pcs status output, you see the WebSite resource has failed to start, then you’ve likely not enabled the status URL correctly. You can check if this is the problem by running:" msgstr "" #. Tag: literallayout #, no-c-format msgid "wget http://127.0.0.1/server-status" msgstr "" #. Tag: para #, no-c-format msgid "If you see Connection refused in the output, then this is indeed the problem. Check to ensure that Allow from 127.0.0.1 is present for the <Location /server-status> block." msgstr "" #. Tag: title #, no-c-format msgid "Ensuring Resources Run on the Same Host" msgstr "" #. Tag: para #, no-c-format msgid "To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on." msgstr "" #. Tag: para #, no-c-format msgid "To achieve this we use a colocation constraint that indicates it is mandatory for WebSite to run on the same node as ClusterIP. The \"mandatory\" part of the colocation constraint is indicated by using a score of INFINITY. The INFINITY score also means that if ClusterIP is not active anywhere, WebSite will not be permitted to run." msgstr "" #. Tag: para #, no-c-format msgid "If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere." msgstr "" #. Tag: para #, no-c-format msgid "Colocation constraints are \"directional\", in that they imply certain things about the order in which the two resources will have a location chosen. In this case we’re saying WebSite needs to be placed on the same machine as ClusterIP, this implies that we must know the location of ClusterIP before choosing a location for WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs constraint colocation add WebSite ClusterIP INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:00:44 2012\n" "Last change: Fri Sep 14 11:00:25 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: title #, no-c-format msgid "Controlling Resource Start/Stop Ordering" msgstr "" #. Tag: para #, no-c-format msgid "When Apache starts, it binds to the available IP addresses. It doesn’t know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint." msgstr "" #. Tag: para #, no-c-format msgid "By default all order constraints are mandatory constraints unless otherwise configured. This means that the recovery of ClusterIP will also trigger the recovery of WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs constraint order ClusterIP then WebSite\n" "Adding ClusterIP WebSite (kind: Mandatory) (Options: first-action=start then-action=start)\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: title #, no-c-format msgid "Specifying a Preferred Location" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint." msgstr "" #. Tag: para #, no-c-format msgid "In the location constraint below, we are saying the WebSite resource prefers the node pcmk-1 with a score of 50. The score here indicates how badly we’d like the resource to run somewhere." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs constraint location WebSite prefers pcmk-1=50\n" "# pcs constraint\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:50)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "Last updated: Fri Sep 14 11:06:37 2012\n" "Last change: Fri Sep 14 11:06:26 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Wait a minute, the resources are still on pcmk-2!" msgstr "" #. Tag: para #, no-c-format msgid "Even though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime)." msgstr "" #. Tag: para #, no-c-format msgid "To see the current placement scores, you can use a tool called crm_simulate" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_simulate -sL\n" "Current cluster status:\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" " ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf:heartbeat:apache): Started pcmk-2\n" "\n" "Allocation scores:\n" "native_color: ClusterIP allocation score on pcmk-1: 50\n" "native_color: ClusterIP allocation score on pcmk-2: 200\n" "native_color: WebSite allocation score on pcmk-1: -INFINITY\n" "native_color: WebSite allocation score on pcmk-2: 100\n" "\n" "Transition Summary:" msgstr "" #. Tag: title #, no-c-format msgid "Manually Moving Resources Around the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "There are always times when an administrator needs to override the cluster and force resources to move to a specific location. By updating our previous location constraint with a score of INFINITY, WebSite will be forced to move to pcmk-1." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs constraint location WebSite prefers pcmk-1=INFINITY\n" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:16:26 2012\n" "Last change: Fri Sep 14 11:16:18 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Giving Control Back to the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Once we’ve finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs constraint rm location-WebSite-pcmk-1-INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: para #, no-c-format msgid "Note that the constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:57:12 2012\n" "Last change: Fri Sep 14 11:57:03 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Installation.pot000066400000000000000000001755201217637305600257050ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "" #. Tag: title #, no-c-format msgid "OS Installation" msgstr "" #. Tag: para #, no-c-format msgid "Detailed instructions for installing Fedora are available at http://docs.fedoraproject.org/en-US/Fedora/17/html/Installation_Guide/ in a number of languages. The abbreviated version is as follows…" msgstr "" #. Tag: para #, no-c-format msgid "Point your browser to http://fedoraproject.org/en/get-fedora-all, locate the Install Media section and download the install DVD that matches your hardware." msgstr "" #. Tag: para #, no-c-format msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/en-US/Fedora/16/html/Burning_ISO_images_to_disc/index.html and boot from it, or use the image to boot a virtual machine." msgstr "" #. Tag: para #, no-c-format msgid "After clicking through the welcome screen, select your language, keyboard layout http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-keyboard-x86.html and storage type http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/Storage_Devices-x86.html" msgstr "" #. Tag: para #, no-c-format msgid "Assign your machine a host name. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-Netconfig-x86.html I happen to control the clusterlabs.org domain name, so I will use that here." msgstr "" #. Tag: para #, no-c-format msgid "Do not accept the default network settings. Cluster machines should never obtain an IP address via DHCP." msgstr "" #. Tag: para #, no-c-format msgid "When you are presented with the Configure Network advanced option, select that option before continuing with the installation process to specify a fixed IPv4 address for System eth0. Be sure to also enter the Routes section and add an entry for your default gateway." msgstr "" #. Tag: phrase #, no-c-format msgid "Custom network settings" msgstr "" #. Tag: para #, no-c-format msgid "If you miss this step, this can easily be configured after installation. You will have to navigate to system settings and select network. From there you can select what device to configure." msgstr "" #. Tag: para #, no-c-format msgid "You will then be prompted to indicate the machine’s physical location http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-timezone-x86.html and to supply a root password. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-account_configuration-x86.html" msgstr "" #. Tag: para #, no-c-format msgid "Now select where you want Fedora installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-diskpartsetup-x86.html As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive." msgstr "" #. Tag: para #, no-c-format msgid "By default Fedora uses LVM for partitioning which allows us to dynamically change the amount of space allocated to a given partition." msgstr "" #. Tag: para #, no-c-format msgid "However, by default it also allocates all free space to the / (aka. root) partition which cannot be dynamically reduced in size (dynamic increases are fine by-the-way)." msgstr "" #. Tag: para #, no-c-format msgid "So if you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume. To do so select the Review and modify partitioning layout checkbox before clicking Next. You will then be given an opportunity to reduce the size of the root partition." msgstr "" #. Tag: para #, no-c-format msgid "Next choose which software should be installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-pkgselection-x86.html Change the selection to Minimal so that we see everything that gets installed. Don’t enable updates yet, we’ll do that (and install any extra software we need) later. After you click next, Fedora will begin installing." msgstr "" #. Tag: para #, no-c-format msgid "Go grab something to drink, this may take a while." msgstr "" #. Tag: para #, no-c-format msgid "Once the node reboots, you’ll see a (possibly mangled) login prompt on the console. Login using root and the password you created earlier." msgstr "" #. Tag: phrase #, no-c-format msgid "Initial Console" msgstr "" #. Tag: para #, no-c-format msgid "From here on in we’re going to be working exclusively from the terminal." msgstr "" #. Tag: title #, no-c-format msgid "Post Installation Tasks" msgstr "" #. Tag: title #, no-c-format msgid "Networking" msgstr "" #. Tag: para #, no-c-format msgid "Bring up the network and ensure it starts at boot" msgstr "" #. Tag: programlisting #, no-c-format msgid "# service network start\n" "# chkconfig network on" msgstr "" #. Tag: para #, no-c-format msgid "Check the machine has the static IP address you configured earlier" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ip addr\n" "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN\n" " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" " inet 127.0.0.1/8 scope host lo\n" " inet6 ::1/128 scope host\n" " valid_lft forever preferred_lft forever\n" "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n" " link/ether 52:54:00:d7:d6:08 brd ff:ff:ff:ff:ff:ff\n" " inet 192.168.122.101/24 brd 192.168.122.255 scope global eth0\n" " inet6 fe80::5054:ff:fed7:d608/64 scope link\n" " valid_lft forever preferred_lft forever" msgstr "" #. Tag: para #, no-c-format msgid "Now check the default route setting:" msgstr "" #. Tag: programlisting #, no-c-format msgid "[root@pcmk-1 ~]# ip route\n" "default via 192.168.122.1 dev eth0\n" "192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.101" msgstr "" #. Tag: para #, no-c-format msgid "If there is no line beginning with default via, then you may need to add a line such as" msgstr "" #. Tag: programlisting #, no-c-format msgid "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "to /etc/sysconfig/network and restart the network." msgstr "" #. Tag: para #, no-c-format msgid "Now check for connectivity to the outside world. Start small by testing if we can read the gateway we configured." msgstr "" #. Tag: programlisting #, no-c-format msgid "# ping -c 1 192.168.122.1\n" "PING 192.168.122.1 (192.168.122.1) 56(84) bytes of data.\n" "64 bytes from 192.168.122.1: icmp_req=1 ttl=64 time=0.249 ms\n" "\n" "--- 192.168.122.1 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 0.249/0.249/0.249/0.000 ms" msgstr "" #. Tag: para #, no-c-format msgid "Now try something external, choose a location you know will be available." msgstr "" #. Tag: programlisting #, no-c-format msgid "# ping -c 1 www.google.com\n" "PING www.l.google.com (173.194.72.106) 56(84) bytes of data.\n" "64 bytes from tf-in-f106.1e100.net (173.194.72.106): icmp_req=1 ttl=41 time=167 ms\n" "\n" "--- www.l.google.com ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 167.618/167.618/167.618/0.000 ms" msgstr "" #. Tag: title #, no-c-format msgid "Leaving the Console" msgstr "" #. Tag: para #, no-c-format msgid "The console isn’t a very friendly place to work from, we will now switch to accessing the machine remotely via SSH where we can use copy&paste etc." msgstr "" #. Tag: para #, no-c-format msgid "First we check we can see the newly installed at all:" msgstr "" #. Tag: programlisting #, no-c-format msgid "beekhof@f16 ~ # ping -c 1 192.168.122.101\n" "PING 192.168.122.101 (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from 192.168.122.101: icmp_req=1 ttl=64 time=1.01 ms\n" "\n" "--- 192.168.122.101 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 1.012/1.012/1.012/0.000 ms" msgstr "" #. Tag: para #, no-c-format msgid "Next we login via SSH" msgstr "" #. Tag: programlisting #, no-c-format msgid "beekhof@f16 ~ # ssh -l root 192.168.122.11\n" "root@192.168.122.11's password:\n" "Last login: Fri Mar 30 19:41:19 2012 from 192.168.122.1\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: title #, no-c-format msgid "Security Shortcuts" msgstr "" #. Tag: para #, no-c-format msgid "To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation." msgstr "" #. Tag: para #, no-c-format msgid "Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world." msgstr "" #. Tag: literallayout #, no-c-format msgid "TODO: Create an Appendix that deals with (at least) re-enabling the firewall." msgstr "" #. Tag: programlisting #, no-c-format msgid "# setenforce 0\n" "# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" "# systemctl disable iptables.service\n" "# rm '/etc/systemd/system/basic.target.wants/iptables.service'\n" "# systemctl stop iptables.service" msgstr "" #. Tag: title #, no-c-format msgid "Short Node Names" msgstr "" #. Tag: para #, no-c-format msgid "During installation, we filled in the machine’s fully qualifier domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself: Nodesshort name short name " msgstr "" #. Tag: programlisting #, no-c-format msgid "# uname -n\n" "pcmk-1.clusterlabs.org\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Query) Domain name (Query) " msgstr "" #. Tag: para #, no-c-format msgid "The output from the second command is fine, but we really don’t need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start." msgstr "" #. Tag: programlisting #, no-c-format msgid "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "All we need to do now is strip off the domain name portion, which is stored elsewhere anyway." msgstr "" #. Tag: programlisting #, no-c-format msgid " # sed -i.sed 's/\\.[a-z].*//g' /etc/sysconfig/network" msgstr "" #. Tag: para #, no-c-format msgid "Now confirm the change was successful. The revised file contents should look something like this." msgstr "" #. Tag: programlisting #, no-c-format msgid "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "However we’re not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update." msgstr "" #. Tag: programlisting #, no-c-format msgid "# source /etc/sysconfig/network\n" "# hostname $HOSTNAME" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Remove from host name) Domain name (Remove from host name) " msgstr "" #. Tag: para #, no-c-format msgid "Now check the machine is using the correct names" msgstr "" #. Tag: programlisting #, no-c-format msgid "# uname -n\n" "pcmk-1\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: title #, no-c-format msgid "NTP" msgstr "" #. Tag: para #, no-c-format msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier. http://docs.fedoraproject.org/en-US/Fedora/17/html-single/System_Administrators_Guide/index.html#ch-Configuring_the_Date_and_Time" msgstr "" #. Tag: title #, no-c-format msgid "Before You Continue" msgstr "" #. Tag: para #, no-c-format msgid "Repeat the Installation steps so far, so that you have two Fedora nodes ready to have the cluster software installed." msgstr "" #. Tag: para #, no-c-format msgid "For the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.102." msgstr "" #. Tag: title #, no-c-format msgid "Finalize Networking" msgstr "" #. Tag: para #, no-c-format msgid "Confirm that you can communicate between the two new nodes:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms" msgstr "" #. Tag: para #, no-c-format msgid "Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the two machines. Otherwise, you’ll need to add the machines to /etc/hosts . Below are the entries for my cluster nodes:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "We can now verify the setup by again using ping:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms" msgstr "" #. Tag: title #, no-c-format msgid "Configure SSH" msgstr "" #. Tag: para #, no-c-format msgid "SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N option) so that we can perform remote actions without being prompted." msgstr "" #. Tag: para #, no-c-format msgid " SSH " msgstr "" #. Tag: para #, no-c-format msgid "Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world. We use them here only to simplify the demo." msgstr "" #. Tag: para #, no-c-format msgid "Create a new key and allow anyone with that key to log in:" msgstr "" #. Tag: title #, no-c-format msgid "Creating and Activating a new SSH Key" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "\n" "# cp .ssh/id_dsa.pub .ssh/authorized_keys" msgstr "" #. Tag: para #, no-c-format msgid " Creating and Activating a new SSH Key " msgstr "" #. Tag: para #, no-c-format msgid "Install the key on the other nodes and test that you can now run commands remotely, without being prompted" msgstr "" #. Tag: title #, no-c-format msgid "Installing the SSH Key on Another Host" msgstr "" #. Tag: programlisting #, no-c-format msgid "# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.root@pcmk-2's password:\n" "id_dsa.pub 100% 616 0.6KB/s 00:00\n" "id_dsa 100% 672 0.7KB/s 00:00\n" "known_hosts 100% 400 0.4KB/s 00:00\n" "authorized_keys 100% 616 0.6KB/s 00:00\n" "# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "#" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Software Installation" msgstr "" #. Tag: title #, no-c-format msgid "Install the Cluster Software" msgstr "" #. Tag: para #, no-c-format msgid "Since version 12, Fedora comes with recent versions of everything you need, so simply fire up the shell and run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y pacemaker corosync" msgstr "" #. Tag: literallayout #, no-c-format msgid "fedora/metalink | 38 kB 00:00\n" "fedora | 4.2 kB 00:00\n" "fedora/primary_db | 14 MB 00:21\n" "updates/metalink | 2.7 kB 00:00\n" "updates | 2.6 kB 00:00\n" "updates/primary_db | 1.2 kB 00:00\n" "updates-testing/metalink | 28 kB 00:00\n" "updates-testing | 4.5 kB 00:00\n" "updates-testing/primary_db | 4.5 MB 00:12\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package corosync.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: corosynclib = 1.99.9-1.fc17 for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libxslt for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4(COROSYNC_CMAP_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libtotem_pg.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libqb.so.0()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libnetsnmp.so.30()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcorosync_common.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "---> Package pacemaker.x86_64 0:1.1.7-2.fc17 will be installed\n" "--> Processing Dependency: pacemaker-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cluster-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cli = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: resource-agents for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: perl(Getopt::Long) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26(GNUTLS_1_4)(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: /usr/bin/perl for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_status.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libltdl.so.7()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Running transaction check\n" "---> Package cluster-glue.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "---> Package cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "---> Package corosynclib.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "---> Package gnutls.x86_64 0:2.12.17-1.fc17 will be installed\n" "--> Processing Dependency: libtasn1.so.3(LIBTASN1_0_3)(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libtasn1.so.3()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libp11-kit.so.0()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "---> Package libqb.x86_64 0:0.11.1-1.fc17 will be installed\n" "---> Package libtool-ltdl.x86_64 0:2.4.2-3.fc17 will be installed\n" "---> Package libxslt.x86_64 0:1.1.26-9.fc17 will be installed\n" "---> Package net-snmp-libs.x86_64 1:5.7.1-4.fc17 will be installed\n" "---> Package pacemaker-cli.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package perl.x86_64 4:5.14.2-211.fc17 will be installed\n" "--> Processing Dependency: perl-libs = 4:5.14.2-211.fc17 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) >= 1.21 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) >= 1.3 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) >= 1.10 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) >= 0.8 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-macros for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-libs for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(List::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Unix) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Functions) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Cwd) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Carp) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "---> Package resource-agents.x86_64 0:3.9.2-2.fc17.1 will be installed\n" "--> Processing Dependency: /usr/sbin/rpc.nfsd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/rpc.mountd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/ethtool for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/rpc.statd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotaon for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotacheck for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs4 for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.cifs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/fsck.xfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Running transaction check\n" "---> Package OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 will be installed\n" "---> Package cifs-utils.x86_64 0:5.3-2.fc17 will be installed\n" "--> Processing Dependency: libtalloc.so.2(TALLOC_2.0.2)(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: keyutils for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libwbclient.so.0()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libtalloc.so.2()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "---> Package ethtool.x86_64 2:3.2-2.fc17 will be installed\n" "---> Package libibverbs.x86_64 0:1.1.6-2.fc17 will be installed\n" "---> Package libnet.x86_64 0:1.1.5-3.fc17 will be installed\n" "---> Package librdmacm.x86_64 0:1.0.15-1.fc17 will be installed\n" "---> Package libtasn1.x86_64 0:2.12-1.fc17 will be installed\n" "---> Package nfs-utils.x86_64 1:1.2.5-12.fc17 will be installed\n" "--> Processing Dependency: rpcbind for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1(libgssapi_CITI_2)(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap.so.0()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "---> Package p11-kit.x86_64 0:0.12-1.fc17 will be installed\n" "---> Package perl-Carp.noarch 0:1.22-2.fc17 will be installed\n" "---> Package perl-Module-Pluggable.noarch 1:3.90-211.fc17 will be installed\n" "---> Package perl-PathTools.x86_64 0:3.33-211.fc17 will be installed\n" "---> Package perl-Pod-Simple.noarch 1:3.16-211.fc17 will be installed\n" "--> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.16-211.fc17.noarch\n" "---> Package perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 will be installed\n" "---> Package perl-Socket.x86_64 0:2.001-1.fc17 will be installed\n" "---> Package perl-TimeDate.noarch 1:1.20-6.fc17 will be installed\n" "---> Package perl-libs.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-macros.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-threads.x86_64 0:1.86-2.fc17 will be installed\n" "---> Package perl-threads-shared.x86_64 0:1.40-2.fc17 will be installed\n" "---> Package quota.x86_64 1:4.00-3.fc17 will be installed\n" "--> Processing Dependency: quota-nls = 1:4.00-3.fc17 for package: 1:quota-4.00-3.fc17.x86_64\n" "--> Processing Dependency: tcp_wrappers for package: 1:quota-4.00-3.fc17.x86_64\n" "---> Package xfsprogs.x86_64 0:3.1.8-1.fc17 will be installed\n" "--> Running transaction check\n" "---> Package keyutils.x86_64 0:1.5.5-2.fc17 will be installed\n" "---> Package libevent.x86_64 0:2.0.14-2.fc17 will be installed\n" "---> Package libgssglue.x86_64 0:0.3-1.fc17 will be installed\n" "---> Package libnfsidmap.x86_64 0:0.25-1.fc17 will be installed\n" "---> Package libtalloc.x86_64 0:2.0.7-4.fc17 will be installed\n" "---> Package libtirpc.x86_64 0:0.2.2-2.1.fc17 will be installed\n" "---> Package libwbclient.x86_64 1:3.6.3-81.fc17.1 will be installed\n" "---> Package perl-Pod-Escapes.noarch 1:1.04-211.fc17 will be installed\n" "---> Package quota-nls.noarch 1:4.00-3.fc17 will be installed\n" "---> Package rpcbind.x86_64 0:0.2.0-16.fc17 will be installed\n" "---> Package tcp_wrappers.x86_64 0:7.6-69.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " corosync x86_64 1.99.9-1.fc17 updates-testing 159 k\n" " pacemaker x86_64 1.1.7-2.fc17 updates-testing 362 k\n" "Installing for dependencies:\n" " OpenIPMI-libs x86_64 2.0.18-13.fc17 fedora 466 k\n" " cifs-utils x86_64 5.3-2.fc17 updates-testing 66 k\n" " cluster-glue x86_64 1.0.6-9.fc17.1 fedora 229 k\n" " cluster-glue-libs x86_64 1.0.6-9.fc17.1 fedora 121 k\n" " corosynclib x86_64 1.99.9-1.fc17 updates-testing 96 k\n" " ethtool x86_64 2:3.2-2.fc17 fedora 94 k\n" " gnutls x86_64 2.12.17-1.fc17 fedora 385 k\n" " keyutils x86_64 1.5.5-2.fc17 fedora 49 k\n" " libevent x86_64 2.0.14-2.fc17 fedora 160 k\n" " libgssglue x86_64 0.3-1.fc17 fedora 24 k\n" " libibverbs x86_64 1.1.6-2.fc17 fedora 44 k\n" " libnet x86_64 1.1.5-3.fc17 fedora 54 k\n" " libnfsidmap x86_64 0.25-1.fc17 fedora 34 k\n" " libqb x86_64 0.11.1-1.fc17 updates-testing 68 k\n" " librdmacm x86_64 1.0.15-1.fc17 fedora 27 k\n" " libtalloc x86_64 2.0.7-4.fc17 fedora 22 k\n" " libtasn1 x86_64 2.12-1.fc17 updates-testing 319 k\n" " libtirpc x86_64 0.2.2-2.1.fc17 fedora 78 k\n" " libtool-ltdl x86_64 2.4.2-3.fc17 fedora 45 k\n" " libwbclient x86_64 1:3.6.3-81.fc17.1 updates-testing 68 k\n" " libxslt x86_64 1.1.26-9.fc17 fedora 416 k\n" " net-snmp-libs x86_64 1:5.7.1-4.fc17 fedora 713 k\n" " nfs-utils x86_64 1:1.2.5-12.fc17 fedora 311 k\n" " p11-kit x86_64 0.12-1.fc17 updates-testing 36 k\n" " pacemaker-cli x86_64 1.1.7-2.fc17 updates-testing 368 k\n" " pacemaker-cluster-libs x86_64 1.1.7-2.fc17 updates-testing 77 k\n" " pacemaker-libs x86_64 1.1.7-2.fc17 updates-testing 322 k\n" " perl x86_64 4:5.14.2-211.fc17 fedora 10 M\n" " perl-Carp noarch 1.22-2.fc17 fedora 17 k\n" " perl-Module-Pluggable noarch 1:3.90-211.fc17 fedora 47 k\n" " perl-PathTools x86_64 3.33-211.fc17 fedora 105 k\n" " perl-Pod-Escapes noarch 1:1.04-211.fc17 fedora 40 k\n" " perl-Pod-Simple noarch 1:3.16-211.fc17 fedora 223 k\n" " perl-Scalar-List-Utils x86_64 1.25-1.fc17 updates-testing 33 k\n" " perl-Socket x86_64 2.001-1.fc17 updates-testing 44 k\n" " perl-TimeDate noarch 1:1.20-6.fc17 fedora 43 k\n" " perl-libs x86_64 4:5.14.2-211.fc17 fedora 628 k\n" " perl-macros x86_64 4:5.14.2-211.fc17 fedora 32 k\n" " perl-threads x86_64 1.86-2.fc17 fedora 47 k\n" " perl-threads-shared x86_64 1.40-2.fc17 fedora 36 k\n" " quota x86_64 1:4.00-3.fc17 fedora 160 k\n" " quota-nls noarch 1:4.00-3.fc17 fedora 74 k\n" " resource-agents x86_64 3.9.2-2.fc17.1 fedora 466 k\n" " rpcbind x86_64 0.2.0-16.fc17 fedora 52 k\n" " tcp_wrappers x86_64 7.6-69.fc17 fedora 72 k\n" " xfsprogs x86_64 3.1.8-1.fc17 updates-testing 715 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 2 Packages (+46 Dependent packages)\n" "\n" "Total download size: 18 M\n" "Installed size: 59 M\n" "Downloading Packages:\n" "(1/48): OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm | 466 kB 00:00\n" "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 1aca3465: NOKEY\n" "Public key for OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm is not installed\n" "(2/48): cifs-utils-5.3-2.fc17.x86_64.rpm | 66 kB 00:01\n" "Public key for cifs-utils-5.3-2.fc17.x86_64.rpm is not installed\n" "(3/48): cluster-glue-1.0.6-9.fc17.1.x86_64.rpm | 229 kB 00:00\n" "(4/48): cluster-glue-libs-1.0.6-9.fc17.1.x86_64.rpm | 121 kB 00:00\n" "(5/48): corosync-1.99.9-1.fc17.x86_64.rpm | 159 kB 00:01\n" "(6/48): corosynclib-1.99.9-1.fc17.x86_64.rpm | 96 kB 00:00\n" "(7/48): ethtool-3.2-2.fc17.x86_64.rpm | 94 kB 00:00\n" "(8/48): gnutls-2.12.17-1.fc17.x86_64.rpm | 385 kB 00:00\n" "(9/48): keyutils-1.5.5-2.fc17.x86_64.rpm | 49 kB 00:00\n" "(10/48): libevent-2.0.14-2.fc17.x86_64.rpm | 160 kB 00:00\n" "(11/48): libgssglue-0.3-1.fc17.x86_64.rpm | 24 kB 00:00\n" "(12/48): libibverbs-1.1.6-2.fc17.x86_64.rpm | 44 kB 00:00\n" "(13/48): libnet-1.1.5-3.fc17.x86_64.rpm | 54 kB 00:00\n" "(14/48): libnfsidmap-0.25-1.fc17.x86_64.rpm | 34 kB 00:00\n" "(15/48): libqb-0.11.1-1.fc17.x86_64.rpm | 68 kB 00:01\n" "(16/48): librdmacm-1.0.15-1.fc17.x86_64.rpm | 27 kB 00:00\n" "(17/48): libtalloc-2.0.7-4.fc17.x86_64.rpm | 22 kB 00:00\n" "(18/48): libtasn1-2.12-1.fc17.x86_64.rpm | 319 kB 00:02\n" "(19/48): libtirpc-0.2.2-2.1.fc17.x86_64.rpm | 78 kB 00:00\n" "(20/48): libtool-ltdl-2.4.2-3.fc17.x86_64.rpm | 45 kB 00:00\n" "(21/48): libwbclient-3.6.3-81.fc17.1.x86_64.rpm | 68 kB 00:00\n" "(22/48): libxslt-1.1.26-9.fc17.x86_64.rpm | 416 kB 00:00\n" "(23/48): net-snmp-libs-5.7.1-4.fc17.x86_64.rpm | 713 kB 00:01\n" "(24/48): nfs-utils-1.2.5-12.fc17.x86_64.rpm | 311 kB 00:00\n" "(25/48): p11-kit-0.12-1.fc17.x86_64.rpm | 36 kB 00:01\n" "(26/48): pacemaker-1.1.7-2.fc17.x86_64.rpm | 362 kB 00:02\n" "(27/48): pacemaker-cli-1.1.7-2.fc17.x86_64.rpm | 368 kB 00:02\n" "(28/48): pacemaker-cluster-libs-1.1.7-2.fc17.x86_64.rpm | 77 kB 00:00\n" "(29/48): pacemaker-libs-1.1.7-2.fc17.x86_64.rpm | 322 kB 00:01\n" "(30/48): perl-5.14.2-211.fc17.x86_64.rpm | 10 MB 00:15\n" "(31/48): perl-Carp-1.22-2.fc17.noarch.rpm | 17 kB 00:00\n" "(32/48): perl-Module-Pluggable-3.90-211.fc17.noarch.rpm | 47 kB 00:00\n" "(33/48): perl-PathTools-3.33-211.fc17.x86_64.rpm | 105 kB 00:00\n" "(34/48): perl-Pod-Escapes-1.04-211.fc17.noarch.rpm | 40 kB 00:00\n" "(35/48): perl-Pod-Simple-3.16-211.fc17.noarch.rpm | 223 kB 00:00\n" "(36/48): perl-Scalar-List-Utils-1.25-1.fc17.x86_64.rpm | 33 kB 00:01\n" "(37/48): perl-Socket-2.001-1.fc17.x86_64.rpm | 44 kB 00:00\n" "(38/48): perl-TimeDate-1.20-6.fc17.noarch.rpm | 43 kB 00:00\n" "(39/48): perl-libs-5.14.2-211.fc17.x86_64.rpm | 628 kB 00:00\n" "(40/48): perl-macros-5.14.2-211.fc17.x86_64.rpm | 32 kB 00:00\n" "(41/48): perl-threads-1.86-2.fc17.x86_64.rpm | 47 kB 00:00\n" "(42/48): perl-threads-shared-1.40-2.fc17.x86_64.rpm | 36 kB 00:00\n" "(43/48): quota-4.00-3.fc17.x86_64.rpm | 160 kB 00:00\n" "(44/48): quota-nls-4.00-3.fc17.noarch.rpm | 74 kB 00:00\n" "(45/48): resource-agents-3.9.2-2.fc17.1.x86_64.rpm | 466 kB 00:00\n" "(46/48): rpcbind-0.2.0-16.fc17.x86_64.rpm | 52 kB 00:00\n" "(47/48): tcp_wrappers-7.6-69.fc17.x86_64.rpm | 72 kB 00:00\n" "(48/48): xfsprogs-3.1.8-1.fc17.x86_64.rpm | 715 kB 00:03\n" "----------------------------------------------------------------------------------------\n" "Total 333 kB/s | 18 MB 00:55\n" "Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Importing GPG key 0x1ACA3465:\n" " Userid : \"Fedora (17) <fedora@fedoraproject.org>\"\n" " Fingerprint: cac4 3fb7 74a4 a673 d81c 5de7 50e9 4c99 1aca 3465\n" " Package : fedora-release-17-0.8.noarch (@anaconda-0)\n" " From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : libqb-0.11.1-1.fc17.x86_64 1/48\n" " Installing : libtool-ltdl-2.4.2-3.fc17.x86_64 2/48\n" " Installing : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 3/48\n" " Installing : libxslt-1.1.26-9.fc17.x86_64 4/48\n" " Installing : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 5/48\n" " Installing : perl-threads-1.86-2.fc17.x86_64 6/48\n" " Installing : 4:perl-macros-5.14.2-211.fc17.x86_64 7/48\n" " Installing : 1:perl-Pod-Simple-3.16-211.fc17.noarch 8/48\n" " Installing : perl-Socket-2.001-1.fc17.x86_64 9/48\n" " Installing : perl-Carp-1.22-2.fc17.noarch 10/48\n" " Installing : 4:perl-libs-5.14.2-211.fc17.x86_64 11/48\n" " Installing : perl-threads-shared-1.40-2.fc17.x86_64 12/48\n" " Installing : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 13/48\n" " Installing : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 14/48\n" " Installing : perl-PathTools-3.33-211.fc17.x86_64 15/48\n" " Installing : 4:perl-5.14.2-211.fc17.x86_64 16/48\n" " Installing : libibverbs-1.1.6-2.fc17.x86_64 17/48\n" " Installing : keyutils-1.5.5-2.fc17.x86_64 18/48\n" " Installing : libgssglue-0.3-1.fc17.x86_64 19/48\n" " Installing : libtirpc-0.2.2-2.1.fc17.x86_64 20/48\n" " Installing : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 21/48\n" " Installing : rpcbind-0.2.0-16.fc17.x86_64 22/48\n" " Installing : librdmacm-1.0.15-1.fc17.x86_64 23/48\n" " Installing : corosynclib-1.99.9-1.fc17.x86_64 24/48\n" " Installing : corosync-1.99.9-1.fc17.x86_64 25/48\n" "error reading information on service corosync: No such file or directory\n" " Installing : 1:perl-TimeDate-1.20-6.fc17.noarch 26/48\n" " Installing : 1:quota-nls-4.00-3.fc17.noarch 27/48\n" " Installing : tcp_wrappers-7.6-69.fc17.x86_64 28/48\n" " Installing : 1:quota-4.00-3.fc17.x86_64 29/48\n" " Installing : libnfsidmap-0.25-1.fc17.x86_64 30/48\n" " Installing : 1:libwbclient-3.6.3-81.fc17.1.x86_64 31/48\n" " Installing : libnet-1.1.5-3.fc17.x86_64 32/48\n" " Installing : 2:ethtool-3.2-2.fc17.x86_64 33/48\n" " Installing : libevent-2.0.14-2.fc17.x86_64 34/48\n" " Installing : 1:nfs-utils-1.2.5-12.fc17.x86_64 35/48\n" " Installing : libtalloc-2.0.7-4.fc17.x86_64 36/48\n" " Installing : cifs-utils-5.3-2.fc17.x86_64 37/48\n" " Installing : libtasn1-2.12-1.fc17.x86_64 38/48\n" " Installing : OpenIPMI-libs-2.0.18-13.fc17.x86_64 39/48\n" " Installing : cluster-glue-1.0.6-9.fc17.1.x86_64 40/48\n" " Installing : p11-kit-0.12-1.fc17.x86_64 41/48\n" " Installing : gnutls-2.12.17-1.fc17.x86_64 42/48\n" " Installing : pacemaker-libs-1.1.7-2.fc17.x86_64 43/48\n" " Installing : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 44/48\n" " Installing : pacemaker-cli-1.1.7-2.fc17.x86_64 45/48\n" " Installing : xfsprogs-3.1.8-1.fc17.x86_64 46/48\n" " Installing : resource-agents-3.9.2-2.fc17.1.x86_64 47/48\n" " Installing : pacemaker-1.1.7-2.fc17.x86_64 48/48\n" " Verifying : xfsprogs-3.1.8-1.fc17.x86_64 1/48\n" " Verifying : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 2/48\n" " Verifying : corosync-1.99.9-1.fc17.x86_64 3/48\n" " Verifying : cluster-glue-1.0.6-9.fc17.1.x86_64 4/48\n" " Verifying : perl-PathTools-3.33-211.fc17.x86_64 5/48\n" " Verifying : p11-kit-0.12-1.fc17.x86_64 6/48\n" " Verifying : 1:perl-Pod-Simple-3.16-211.fc17.noarch 7/48\n" " Verifying : OpenIPMI-libs-2.0.18-13.fc17.x86_64 8/48\n" " Verifying : libtasn1-2.12-1.fc17.x86_64 9/48\n" " Verifying : perl-threads-1.86-2.fc17.x86_64 10/48\n" " Verifying : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 11/48\n" " Verifying : pacemaker-1.1.7-2.fc17.x86_64 12/48\n" " Verifying : 4:perl-5.14.2-211.fc17.x86_64 13/48\n" " Verifying : gnutls-2.12.17-1.fc17.x86_64 14/48\n" " Verifying : perl-threads-shared-1.40-2.fc17.x86_64 15/48\n" " Verifying : 4:perl-macros-5.14.2-211.fc17.x86_64 16/48\n" " Verifying : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 17/48\n" " Verifying : 1:nfs-utils-1.2.5-12.fc17.x86_64 18/48\n" " Verifying : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 19/48\n" " Verifying : pacemaker-libs-1.1.7-2.fc17.x86_64 20/48\n" " Verifying : libtalloc-2.0.7-4.fc17.x86_64 21/48\n" " Verifying : libevent-2.0.14-2.fc17.x86_64 22/48\n" " Verifying : perl-Socket-2.001-1.fc17.x86_64 23/48\n" " Verifying : libgssglue-0.3-1.fc17.x86_64 24/48\n" " Verifying : perl-Carp-1.22-2.fc17.noarch 25/48\n" " Verifying : libtirpc-0.2.2-2.1.fc17.x86_64 26/48\n" " Verifying : 2:ethtool-3.2-2.fc17.x86_64 27/48\n" " Verifying : 4:perl-libs-5.14.2-211.fc17.x86_64 28/48\n" " Verifying : libxslt-1.1.26-9.fc17.x86_64 29/48\n" " Verifying : rpcbind-0.2.0-16.fc17.x86_64 30/48\n" " Verifying : librdmacm-1.0.15-1.fc17.x86_64 31/48\n" " Verifying : resource-agents-3.9.2-2.fc17.1.x86_64 32/48\n" " Verifying : 1:quota-4.00-3.fc17.x86_64 33/48\n" " Verifying : 1:perl-TimeDate-1.20-6.fc17.noarch 34/48\n" " Verifying : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 35/48\n" " Verifying : libtool-ltdl-2.4.2-3.fc17.x86_64 36/48\n" " Verifying : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 37/48\n" " Verifying : cifs-utils-5.3-2.fc17.x86_64 38/48\n" " Verifying : libnet-1.1.5-3.fc17.x86_64 39/48\n" " Verifying : corosynclib-1.99.9-1.fc17.x86_64 40/48\n" " Verifying : libqb-0.11.1-1.fc17.x86_64 41/48\n" " Verifying : 1:libwbclient-3.6.3-81.fc17.1.x86_64 42/48\n" " Verifying : libnfsidmap-0.25-1.fc17.x86_64 43/48\n" " Verifying : tcp_wrappers-7.6-69.fc17.x86_64 44/48\n" " Verifying : keyutils-1.5.5-2.fc17.x86_64 45/48\n" " Verifying : libibverbs-1.1.6-2.fc17.x86_64 46/48\n" " Verifying : 1:quota-nls-4.00-3.fc17.noarch 47/48\n" " Verifying : pacemaker-cli-1.1.7-2.fc17.x86_64 48/48\n" "\n" "Installed:\n" " corosync.x86_64 0:1.99.9-1.fc17 pacemaker.x86_64 0:1.1.7-2.fc17\n" "\n" "Dependency Installed:\n" " OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 cifs-utils.x86_64 0:5.3-2.fc17\n" " cluster-glue.x86_64 0:1.0.6-9.fc17.1 cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1\n" " corosynclib.x86_64 0:1.99.9-1.fc17 ethtool.x86_64 2:3.2-2.fc17\n" " gnutls.x86_64 0:2.12.17-1.fc17 keyutils.x86_64 0:1.5.5-2.fc17\n" " libevent.x86_64 0:2.0.14-2.fc17 libgssglue.x86_64 0:0.3-1.fc17\n" " libibverbs.x86_64 0:1.1.6-2.fc17 libnet.x86_64 0:1.1.5-3.fc17\n" " libnfsidmap.x86_64 0:0.25-1.fc17 libqb.x86_64 0:0.11.1-1.fc17\n" " librdmacm.x86_64 0:1.0.15-1.fc17 libtalloc.x86_64 0:2.0.7-4.fc17\n" " libtasn1.x86_64 0:2.12-1.fc17 libtirpc.x86_64 0:0.2.2-2.1.fc17\n" " libtool-ltdl.x86_64 0:2.4.2-3.fc17 libwbclient.x86_64 1:3.6.3-81.fc17.1\n" " libxslt.x86_64 0:1.1.26-9.fc17 net-snmp-libs.x86_64 1:5.7.1-4.fc17\n" " nfs-utils.x86_64 1:1.2.5-12.fc17 p11-kit.x86_64 0:0.12-1.fc17\n" " pacemaker-cli.x86_64 0:1.1.7-2.fc17 pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17\n" " pacemaker-libs.x86_64 0:1.1.7-2.fc17 perl.x86_64 4:5.14.2-211.fc17\n" " perl-Carp.noarch 0:1.22-2.fc17 perl-Module-Pluggable.noarch 1:3.90-211.fc17\n" " perl-PathTools.x86_64 0:3.33-211.fc17 perl-Pod-Escapes.noarch 1:1.04-211.fc17\n" " perl-Pod-Simple.noarch 1:3.16-211.fc17 perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17\n" " perl-Socket.x86_64 0:2.001-1.fc17 perl-TimeDate.noarch 1:1.20-6.fc17\n" " perl-libs.x86_64 4:5.14.2-211.fc17 perl-macros.x86_64 4:5.14.2-211.fc17\n" " perl-threads.x86_64 0:1.86-2.fc17 perl-threads-shared.x86_64 0:1.40-2.fc17\n" " quota.x86_64 1:4.00-3.fc17 quota-nls.noarch 1:4.00-3.fc17\n" " resource-agents.x86_64 0:3.9.2-2.fc17.1 rpcbind.x86_64 0:0.2.0-16.fc17\n" " tcp_wrappers.x86_64 0:7.6-69.fc17 xfsprogs.x86_64 0:3.1.8-1.fc17\n" "\n" "Complete!\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: para #, no-c-format msgid "Now install the cluster software on the second node." msgstr "" #. Tag: title #, no-c-format msgid "Install the Cluster Management Software" msgstr "" #. Tag: para #, no-c-format msgid "The pcs cli command coupled with the pcs daemon creates a cluster management system capable of managing all aspects of the cluster stack across all nodes from a single location." msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y pcs" msgstr "" #. Tag: para #, no-c-format msgid "Make sure to install the pcs packages on both nodes." msgstr "" #. Tag: title #, no-c-format msgid "Setup" msgstr "" #. Tag: title #, no-c-format msgid "Enable pcs Daemon" msgstr "" #. Tag: para #, no-c-format msgid "Before the cluster can be configured, the pcs daemon must be started and enabled to boot on startup on each node. This daemon works with the pcs cli command to manage syncing the corosync configuration across all the nodes in the cluster." msgstr "" #. Tag: para #, no-c-format msgid "Start and enable the daemon by issuing the following commands on each node." msgstr "" #. Tag: programlisting #, no-c-format msgid "# systemctl start pcsd.service\n" "# systemctl enable pcsd.service" msgstr "" #. Tag: para #, no-c-format msgid "Now we need a way for pcs to talk to itself on other nodes in the cluster. This is necessary in order to perform tasks such as syncing the corosync config, or starting/stopping the cluster on remote nodes" msgstr "" #. Tag: para #, no-c-format msgid "While pcs can be used locally without setting up these user accounts, this tutorial will make use of these remote access commands, so we will set a password for the hacluster user. Its probably best if password is consistent across all the nodes." msgstr "" #. Tag: para #, no-c-format msgid "As root, run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# passwd hacluster\n" "password:" msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, to script this process or set the password on a different machine to the one you’re logged into, you can use the --stdin option for passwd:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- 'echo redhat1 | passwd --stdin hacluster'" msgstr "" #. Tag: title #, no-c-format msgid "Notes on Multicast Address Assignment" msgstr "" #. Tag: para #, no-c-format msgid "There are several subtle points that often deserve consideration when choosing/assigning multicast addresses. This information is borrowed from, the now defunct, http://web.archive.org/web/20101211210054/http://29west.com/docs/THPM/multicast-address-assignment.html" msgstr "" #. Tag: para #, no-c-format msgid "Avoid 224.0.0.x" msgstr "" #. Tag: para #, no-c-format msgid "Traffic to addresses of the form 224.0.0.x is often flooded to all switch ports. This address range is reserved for link-local uses. Many routing protocols assume that all traffic within this range will be received by all routers on the network. Hence (at least all Cisco) switches flood traffic within this range. The flooding behavior overrides the normal selective forwarding behavior of a multicast-aware switch (e.g. IGMP snooping, CGMP, etc.)." msgstr "" #. Tag: para #, no-c-format msgid "Watch for 32:1 overlap" msgstr "" #. Tag: para #, no-c-format msgid "32 non-contiguous IP multicast addresses are mapped onto each Ethernet multicast address. A receiver that joins a single IP multicast group implicitly joins 31 others due to this overlap. Of course, filtering in the operating system discards undesired multicast traffic from applications, but NIC bandwidth and CPU resources are nonetheless consumed discarding it. The overlap occurs in the 5 high-order bits, so it’s best to use the 23 low-order bits to make distinct multicast streams unique. For example, IP multicast addresses in the range 239.0.0.0 to 239.127.255.255 all map to unique Ethernet multicast addresses. However, IP multicast address 239.128.0.0 maps to the same Ethernet multicast address as 239.0.0.0, 239.128.0.1 maps to the same Ethernet multicast address as 239.0.0.1, etc." msgstr "" #. Tag: para #, no-c-format msgid "Avoid x.0.0.y and x.128.0.y" msgstr "" #. Tag: para #, no-c-format msgid "Combining the above two considerations, it’s best to avoid using IP multicast addresses of the form x.0.0.y and x.128.0.y since they all map onto the range of Ethernet multicast addresses that are flooded to all switch ports." msgstr "" #. Tag: para #, no-c-format msgid "Watch for address assignment conflicts" msgstr "" #. Tag: para #, no-c-format msgid "IANA administers Internet multicast addresses. Potential conflicts with Internet multicast address assignments can be avoided by using GLOP addressing (AS required) or administratively scoped addresses. Such addresses can be safely used on a network connected to the Internet without fear of conflict with multicast sources originating on the Internet. Administratively scoped addresses are roughly analogous to the unicast address space for private internets. Site-local multicast addresses are of the form 239.255.x.y, but can grow down to 239.252.x.y if needed. Organization-local multicast addresses are of the form 239.192-251.x.y, but can grow down to 239.x.y.z if needed." msgstr "" #. Tag: para #, no-c-format msgid "For a more detailed treatment (57 pages!), see Cisco’s Guidelines for Enterprise IP Multicast Address Allocation paper." msgstr "" #. Tag: title #, no-c-format msgid "Configuring Corosync" msgstr "" #. Tag: para #, no-c-format msgid "In the past, at this point in the tutorial an explanation of how to configure and propagate corosync’s /etc/corosync.conf file would be necessary. Using pcs with the pcs daemon greatly simplifies this process by generating corosync.conf across all the nodes in the cluster with a single command. The only thing required to achieve this is to authenticate as the pcs user hacluster on one of the nodes in the cluster, and then issue the pcs cluster setup command with a list of all the node names in the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster auth pcmk-1 pcmk-2\n" "Username: hacluster\n" "Password:\n" "pcmk-1: Authorized\n" "pcmk-2: Authorized\n" "\n" "# pcs cluster setup mycluster pcmk-1 pcmk-2\n" "pcmk-1: Succeeded\n" "pcmk-2: Succeeded" msgstr "" #. Tag: para #, no-c-format msgid "That’s it. Corosync is configured across the cluster. If you received an authorization error for either of those commands, make sure you setup the hacluster user account and password on every node in the cluster with the same password." msgstr "" #. Tag: para #, no-c-format msgid "The final /etc/corosync.conf configuration on each node should look something like the sample in Appendix B, Sample Corosync Configuration." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker used to obtain membership and quorum from a custom Corosync plugin. This plugin also had the capability to start Pacemaker automatically when Corosync was started." msgstr "" #. Tag: para #, no-c-format msgid "Neither behavior is possible with Corosync 2.0 and beyond as support for plugins was removed." msgstr "" #. Tag: para #, no-c-format msgid "Instead, Pacemaker must be started as a separate job/initscript. Also, since Pacemaker made use of the plugin for message routing, a node using the plugin (Corosync prior to 2.0) cannot talk to one that isn’t (Corosync 2.0+)." msgstr "" #. Tag: para #, no-c-format msgid "Rolling upgrades between these versions are therefor not possible and an alternate strategy http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html must be used." msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Intro.pot000066400000000000000000000227441217637305600243360ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "" #. Tag: para #, no-c-format msgid "Computer clusters can be used to provide highly available services or resources. The redundancy of multiple machines is used to guard against failures of many types." msgstr "" #. Tag: para #, no-c-format msgid "This document will walk through the installation and setup of simple clusters using the Fedora distribution, version 17." msgstr "" #. Tag: para #, no-c-format msgid "The clusters described here will use Pacemaker and Corosync to provide resource management and messaging. Required packages and modifications to their configuration files are described along with the use of the Pacemaker command line tool for generating the XML used for cluster control." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is a central component and provides the resource management required in these systems. This management includes detecting and recovering from the failure of various nodes, resources and services under its control." msgstr "" #. Tag: para #, no-c-format msgid "When more in depth information is required and for real world usage, please refer to the Pacemaker Explained manual." msgstr "" #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat)." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker’s key features include:" msgstr "" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "" #. Tag: para #, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "" #. Tag: para #, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "" #. Tag: para #, no-c-format msgid "Support for advanced service types" msgstr "" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "" #. Tag: para #, no-c-format msgid "Unified, scriptable, cluster management tools." msgstr "" #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "" #. Tag: para #, no-c-format msgid "Non-cluster aware components (illustrated in green). These pieces include the resources themselves, scripts that start, stop and monitor them, and also a local daemon that masks the differences between the different standards these scripts implement." msgstr "" #. Tag: para #, no-c-format msgid "Resource management Pacemaker provides the brain (illustrated in blue) that processes and reacts to events regarding the cluster. These events include nodes joining or leaving the cluster; resource events caused by failures, maintenance, scheduled activities; and other administrative actions. Pacemaker will compute the ideal state of the cluster and plot a path to achieve it after any of these events. This may include moving resources, stopping nodes and even forcing them offline with remote power switches." msgstr "" #. Tag: para #, no-c-format msgid "Low level infrastructure Corosync provides reliable messaging, membership and quorum information about the cluster (illustrated in red)." msgstr "" #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "" #. Tag: phrase #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "" #. Tag: para #, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this." msgstr "" #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker Stack" msgstr "" #. Tag: phrase #, no-c-format msgid "The Pacemaker StackThe Pacemaker stack when running on Corosync" msgstr "" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "" #. Tag: phrase #, no-c-format msgid "Subsystems of a Pacemaker cluster running on Corosync" msgstr "" #. Tag: para #, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "" #. Tag: para #, no-c-format msgid "This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail… a new one is quickly established." msgstr "" #. Tag: para #, no-c-format msgid "The DC carries out the PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "" #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "" #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "" #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "" #. Tag: para #, no-c-format msgid "In this document we will focus on the setup of a highly available Apache web server with an Active/Passive cluster using DRBD and Ext4 to store data. Then, we will upgrade this cluster to Active/Active using GFS2." msgstr "" #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "" #. Tag: phrase #, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations" msgstr "" #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "" #. Tag: phrase #, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Shared-Storage.pot000066400000000000000000000475721217637305600260610ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Replicated Storage with DRBD" msgstr "" #. Tag: title #, no-c-format msgid "Background" msgstr "" #. Tag: para #, no-c-format msgid "Even if you’re serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, it’s not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details." msgstr "" #. Tag: title #, no-c-format msgid "Install the DRBD Packages" msgstr "" #. Tag: para #, no-c-format msgid "Since its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD has shiped with Fedora since version 13. All you need to do is install it:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y drbd-pacemaker drbd-udev" msgstr "" #. Tag: literallayout #, no-c-format msgid "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Processing Dependency: drbd-utils = 8.3.11-5.fc17 for package: drbd-pacemaker-8.3.11-5.fc17.x86_64\n" "---> Package drbd-udev.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "======================================================================================\n" " Package Arch Version Repository Size\n" "======================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.11-5.fc17 updates-testing 22 k\n" " drbd-udev x86_64 8.3.11-5.fc17 updates-testing 6.4 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.11-5.fc17 updates-testing 183 k\n" "\n" "Transaction Summary\n" "======================================================================================\n" "Install 2 Packages (+1 Dependent package)\n" "\n" "Total download size: 212 k\n" "Installed size: 473 k\n" "Downloading Packages:\n" "(1/3): drbd-pacemaker-8.3.11-5.fc17.x86_64.rpm | 22 kB 00:00\n" "(2/3): drbd-udev-8.3.11-5.fc17.x86_64.rpm | 6.4 kB 00:00\n" "(3/3): drbd-utils-8.3.11-5.fc17.x86_64.rpm | 183 kB 00:00\n" "--------------------------------------------------------------------------------------\n" "Total 293 kB/s | 212 kB 00:00\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.11-5.fc17.x86_64 1/3\n" " Installing : drbd-pacemaker-8.3.11-5.fc17.x86_64 2/3\n" " Installing : drbd-udev-8.3.11-5.fc17.x86_64 3/3\n" " Verifying : drbd-pacemaker-8.3.11-5.fc17.x86_64 1/3\n" " Verifying : drbd-udev-8.3.11-5.fc17.x86_64 2/3\n" " Verifying : drbd-utils-8.3.11-5.fc17.x86_64 3/3\n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.11-5.fc17 drbd-udev.x86_64 0:8.3.11-5.fc17\n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.11-5.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Configure DRBD" msgstr "" #. Tag: para #, no-c-format msgid "Before we configure DRBD, we need to set aside some disk for it to use." msgstr "" #. Tag: title #, no-c-format msgid "Create A Partition for DRBD" msgstr "" #. Tag: para #, no-c-format msgid "If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata." msgstr "" #. Tag: programlisting #, no-c-format msgid "# vgdisplay | grep -e Name - e Free\n" " VG Name vg_pcmk1\n" " Free PE / Size 31 / 992.00 MiB\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: para #, no-c-format msgid "Repeat this on the second node, be sure to use the same size partition." msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# ssh pcmk-2 -- lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: title #, no-c-format msgid "Write the DRBD Config" msgstr "" #. Tag: para #, no-c-format msgid "There is no series of commands for building a DRBD configuration, so simply copy the configuration below to /etc/drbd.conf" msgstr "" #. Tag: para #, no-c-format msgid "Detailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.html" msgstr "" #. Tag: para #, no-c-format msgid "Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide." msgstr "" #. Tag: literallayout #, no-c-format msgid "global {\n" " usage-count yes;\n" "}\n" "common {\n" " protocol C;\n" "}\n" "resource wwwdata {\n" " meta-disk internal;\n" " device /dev/drbd1;\n" " syncer {\n" " verify-alg sha1;\n" " }\n" " net {\n" " allow-two-primaries;\n" " }\n" " on pcmk-1 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.101:7789;\n" " }\n" " on pcmk-2 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.102:7789;\n" " }\n" "}" msgstr "" #. Tag: para #, no-c-format msgid "TODO: Explain the reason for the allow-two-primaries option" msgstr "" #. Tag: title #, no-c-format msgid "Initialize and Load DRBD" msgstr "" #. Tag: para #, no-c-format msgid "With the configuration in place, we can now perform the DRBD initialization" msgstr "" #. Tag: programlisting #, no-c-format msgid "# drbdadm create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success" msgstr "" #. Tag: para #, no-c-format msgid "Now load the DRBD kernel module and confirm that everything is sane" msgstr "" #. Tag: programlisting #, no-c-format msgid "# modprobe drbd\n" "# drbdadm up wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Repeat on the second node" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- drbdadm --force create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success\n" "# ssh pcmk-2 -- modprobe drbd\n" "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" "# ssh pcmk-2 -- drbdadm up wwwdata\n" "# ssh pcmk-2 -- cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r-----\n" " ns:8064 nr:0 dw:0 dr:8728 al:0 bm:0 lo:0 pe:1 ua:0 ap:0 ep:1 wo:f oos:1007804\n" " [>....................] sync'ed: 0.9% (1007804/1015740)K\n" " finish: 0:12:35 speed: 1,320 (1,320) K/sec" msgstr "" #. Tag: para #, no-c-format msgid "After a while, the sync should finish and you’ll see:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----\n" " ns:1015740 nr:0 dw:0 dr:1016404 al:0 bm:62 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0" msgstr "" #. Tag: para #, no-c-format msgid "pcmk-1 is now in the Primary state which allows it to be written to. Which means it’s a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource." msgstr "" #. Tag: title #, no-c-format msgid "Populate DRBD with Data" msgstr "" #. Tag: programlisting #, no-c-format msgid "# mkfs.ext4 /dev/drbd1\n" "mke2fs 1.42 (29-Nov-2011)\n" "Filesystem label=\n" "OS type: Linux\n" "Block size=4096 (log=2)\n" "Fragment size=4096 (log=2)\n" "Stride=0 blocks, Stripe width=0 blocks\n" "63488 inodes, 253935 blocks\n" "12696 blocks (5.00%) reserved for the super user\n" "First data block=0\n" "Maximum filesystem blocks=260046848\n" "8 block groups\n" "32768 blocks per group, 32768 fragments per group\n" "7936 inodes per group\n" "Superblock backups stored on blocks:\n" " 32768, 98304, 163840, 229376\n" "\n" "Allocating group tables: done\n" "Writing inode tables: done\n" "Creating journal (4096 blocks): done\n" "Writing superblocks and filesystem accounting information: done" msgstr "" #. Tag: para #, no-c-format msgid "Now mount the newly created filesystem so we can create our index file" msgstr "" #. Tag: programlisting #, no-c-format msgid "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" " <html>\n" " <body>My Test Site - drbd</body>\n" " </html>\n" "END\n" "# umount /dev/drbd1" msgstr "" #. Tag: title #, no-c-format msgid "Configure the Cluster for DRBD" msgstr "" #. Tag: para #, no-c-format msgid "One handy feature pcs has is the ability to queue up several changes into a file and commit those changes atomically. To do this, start by populating the file with the current raw xml config from the cib. This can be done using the following command." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib drbd_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Now using the pcs -f option, make changes to the configuration saved in the drbd_cfg file. These changes will not be seen by the cluster until the drbd_cfg file is pushed into the live cluster’s cib later on." msgstr "" #. Tag: screen #, no-c-format msgid "# pcs -f drbd_cfg resource create WebData ocf:linbit:drbd \\\n" " drbd_resource=wwwdata op monitor interval=60s\n" "# pcs -f drbd_cfg resource master WebDataClone WebData \\\n" " master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \\\n" " notify=true" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f drbd_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Stopped: [ WebData:0 WebData:1 ]" msgstr "" #. Tag: para #, no-c-format msgid "After you are satisfied with all the changes, you can commit all the changes at once by pushing the drbd_cfg file into the live cib." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib drbd_cfg\n" "CIB updated\n" "\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:19:49 2012\n" "Last change: Fri Sep 14 12:19:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "4 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]" msgstr "" #. Tag: para #, no-c-format msgid "TODO: Include details on adding a second DRBD resource" msgstr "" #. Tag: para #, no-c-format msgid "Now that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem’s definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted)." msgstr "" #. Tag: para #, no-c-format msgid "We are going to take a shortcut when creating the resource this time though. Instead of explicitly saying we want the ocf:heartbeat:Filesystem script, we are only going to ask for Filesystem. We can do this because we know there is only one resource script named Filesystem available to pacemaker, and that pcs is smart enough to fill in the ocf:heartbeat portion for us correctly in the configuration. If there were multiple Filesystem scripts from different ocf providers, we would need to specify the exact one we wanted to use." msgstr "" #. Tag: para #, no-c-format msgid "Once again we will queue up our changes to a file and then push the new configuration to the cluster as the final step." msgstr "" #. Tag: screen #, no-c-format msgid "# pcs cluster cib fs_cfg\n" "# pcs -f fs_cfg resource create WebFS Filesystem \\\n" " device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" \\\n" " fstype=\"ext4\"" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f fs_cfg constraint colocation add WebFS WebDataClone INFINITY with-rsc-role=Master\n" "# pcs -f fs_cfg constraint order promote WebDataClone then start WebFS\n" "Adding WebDataClone WebFS (kind: Mandatory) (Options: first-action=promote then-action=start)" msgstr "" #. Tag: para #, no-c-format msgid "We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f fs_cfg constraint colocation add WebSite WebFS INFINITY\n" "# pcs -f fs_cfg constraint order WebFS then WebSite" msgstr "" #. Tag: para #, no-c-format msgid "Now review the updated configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f fs_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS\n" "\n" "# pcs -f fs_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "After reviewing the new configuration, we again upload it and watch the cluster put it into effect." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib fs_cfg\n" "CIB updated\n" "# pcs status\n" " Last updated: Fri Aug 10 12:47:01 2012\n" "\n" " Last change: Fri Aug 10 12:46:55 2012 via cibadmin on pcmk-1\n" " Stack: corosync\n" " Current DC: pcmk-1 (1) - partition with quorum\n" " Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" " 2 Nodes configured, unknown expected votes\n" " 5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Testing Migration" msgstr "" #. Tag: para #, no-c-format msgid "We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called \"standby mode\". Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources' packages." msgstr "" #. Tag: para #, no-c-format msgid "Put the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node’s status will change to indicate that it can no longer host resources." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster standby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:41:12 2012\n" "Last change: Fri Sep 14 12:41:08 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Node pcmk-1 (1): standby\n" "Online: [ pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" "WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Stopped: [ WebData:1 ]\n" "WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Once we’ve done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster unstandby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:43:02 2012\n" "Last change: Fri Sep 14 12:42:57 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1." msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Stonith.pot000066400000000000000000000146361217637305600246740ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configure STONITH" msgstr "" #. Tag: title #, no-c-format msgid "What Is STONITH" msgstr "" #. Tag: para #, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "" #. Tag: para #, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "" #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "" #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "" #. Tag: para #, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "" #. Tag: para #, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "" #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "" #. Tag: para #, no-c-format msgid "Find the correct driver: pcs stonith list" msgstr "" #. Tag: para #, no-c-format msgid "Find the parameters associated with the device: pcs stonith describe <agent name>" msgstr "" #. Tag: para #, no-c-format msgid "Create a local config to make changes to pcs cluster cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Create the fencing resource using pcs -f stonith_cfg stonith create <stonith_id> <stonith device type> [stonith device options]" msgstr "" #. Tag: para #, no-c-format msgid "Set stonith-enable to true. pcs -f stonith_cfg property set stonith-enabled=true" msgstr "" #. Tag: para #, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "Commit the new configuration. pcs cluster push cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "" #. Tag: title #, no-c-format msgid "Example" msgstr "" #. Tag: para #, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs stonith describe fence_ipmilan\n" "Stonith options for: fence_ipmilan\n" " auth: IPMI Lan Auth type (md5, password, or none)\n" " ipaddr: IPMI Lan IP to talk to\n" " passwd: Password (if required) to control power on IPMI device\n" " passwd_script: Script to retrieve password (if required)\n" " lanplus: Use Lanplus\n" " login: Username/Login (if required) to control power on IPMI device\n" " action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata\n" " timeout: Timeout (sec) for IPMI operation\n" " cipher: Ciphersuite to use (same as ipmitool -C parameter)\n" " method: Method to fence (onoff or cycle)\n" " power_wait: Wait X seconds after on/off operation\n" " delay: Wait X seconds before fencing is started\n" " privlvl: Privilege level on IPMI device\n" " verbose: Verbose mode" msgstr "" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "" #. Tag: screen #, no-c-format msgid "# pcs cluster cib stonith_cfg\n" "# pcs -f stonith_cfg stonith create impi-fencing fence_ipmilan \\\n" " pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser \\\n" " passwd=acd123 op monitor interval=60s" msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f stonith_cfg stonith\n" " impi-fencing (stonith:fence_ipmilan) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs -f stonith_cfg property set stonith-enabled=true\n" "# pcs -f stonith_cfg property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib stonith_cfg" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Tools.pot000066400000000000000000000117011217637305600243320ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Pacemaker Tools" msgstr "" #. Tag: title #, no-c-format msgid "Using Pacemaker Tools" msgstr "" #. Tag: para #, no-c-format msgid "In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster." msgstr "" #. Tag: para #, no-c-format msgid "All of that has been greatly simplified with the creation of unified command-line shells (and GUIs) that hide all the messy XML scaffolding." msgstr "" #. Tag: para #, no-c-format msgid "These shells take all the individual aspects required for managing and configuring a cluster, and packs them into one simple to use command line tool." msgstr "" #. Tag: para #, no-c-format msgid "They even allow you to queue up several changes at once and commit them atomically." msgstr "" #. Tag: para #, no-c-format msgid "There are currently two command-line shells that people use, pcs and crmsh. This edition of Clusters from Scratch is based on pcs. Start by taking some time to familiarize yourself with what it can do." msgstr "" #. Tag: para #, no-c-format msgid "The two shells share many concepts but the scope, layout and syntax does differ, so make sure you read the version of this guide that corresponds to the software installed on your system." msgstr "" #. Tag: para #, no-c-format msgid "Since pcs has the ability to manage all aspects of the cluster (both corosync and pacemaker), it requires a specific cluster stack to be in use, (corosync 2.0 with votequorum + Pacemaker version >= 1.8)." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs" msgstr "" #. Tag: literallayout #, no-c-format msgid "Control and configure pacemaker and corosync.\n" "\n" "Options:\n" " -h Display usage and exit\n" " -f file Perform actions on file instead of active CIB\n" "\n" "Commands:\n" " resource Manage cluster resources\n" " cluster Configure cluster options and nodes\n" " stonith Configure fence devices\n" " property Set pacemaker properties\n" " constraint Set resource constraints\n" " status View cluster status" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the different aspects of cluster management are broken up into categories: resource, cluster, stonith, property, constraint, and status. To discover the functionality available in each of these categories, one can issue the command pcs <category> help. Below is an example of all the options available under the status category." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status help" msgstr "" #. Tag: literallayout #, no-c-format msgid "Usage: pcs status [commands]...\n" "View current cluster and resource status\n" "Commands:\n" " status\n" " View all information about the cluster and resources\n" "\n" " status resources\n" " View current status of cluster resources\n" "\n" " status groups\n" " View currently configured groups and their resources\n" "\n" " status cluster\n" " View current cluster status\n" "\n" " status corosync\n" " View current corosync status\n" "\n" " status nodes [corosync]\n" " View current status of nodes from pacemaker, or if corosync is\n" " specified, print nodes currently configured in corosync\n" "\n" " status actions\n" " View failed actions\n" "\n" " status pcsd <node> ...\n" " Show the current status of pcsd on the specified nodes\n" "\n" " status xml\n" " View xml version of status (output from crm_mon -r -1 -X)" msgstr "" #. Tag: para #, no-c-format msgid "Additionally, if you are interested in the Pacemaker version and supported cluster stack(s) available with your current Pacemaker installation, the pacemakerd --features option is available to you." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pacemakerd --features" msgstr "" #. Tag: screen #, no-c-format msgid "Pacemaker 1.1.8 (Build: 434edfa)\n" " Supporting: generated-manpages agent-manpages ascii-docs publican-docs ncurses gcov libqb-logging libqb-ipc lha-fencing upstart systemd heartbeat corosync-native snmp" msgstr "" #. Tag: para #, no-c-format msgid "If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details." msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Ch-Verification.pot000066400000000000000000000121351217637305600256560ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Verify Cluster Installation" msgstr "" #. Tag: title #, no-c-format msgid "Start the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Now that corosync is configured, it is time to start the cluster. The command below will start corosync and pacemaker on both nodes in the cluster. If you are issuing the start command from a different node than the one you ran the pcs cluster auth command on earlier, you must authenticate on current node you are logged into before you will be allowed to start the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster start --all\n" "pcmk-1: Starting Cluster...\n" "pcmk-2: Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "An alternative to using the pcs cluster startall command is to issue either of the below commands on each node in the cluster by hand." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster start\n" "Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "or" msgstr "" #. Tag: programlisting #, no-c-format msgid "# systemctl start corosync.service\n" "# systemctl start pacemaker.service" msgstr "" #. Tag: title #, no-c-format msgid "Verify Corosync Installation" msgstr "" #. Tag: para #, no-c-format msgid "The first thing to check is if cluster communication is happy, for that we use corosync-cfgtool." msgstr "" #. Tag: programlisting #, no-c-format msgid "# corosync-cfgtool -s\n" "Printing ring status.\n" "Local node ID 1\n" "RING ID 0\n" " id = 192.168.122.101\n" " status = ring 0 active with no faults" msgstr "" #. Tag: para #, no-c-format msgid "We can see here that everything appears normal with our fixed IP address, not a 127.0.0.x loopback address, listed as the id and no faults for the status." msgstr "" #. Tag: para #, no-c-format msgid "If you see something different, you might want to start by checking the node’s network, firewall and selinux configurations." msgstr "" #. Tag: para #, no-c-format msgid "Next we check the membership and quorum APIs:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# corosync-cmapctl | grep members\n" "runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.122.101)\n" "runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.1.status (str) = joined\n" "runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.122.102)\n" "runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.2.status (str) = joined\n" "\n" "# pcs status corosync\n" "Membership information\n" " --------------------------\n" " Nodeid Votes Name\n" " 1 1 pcmk-1\n" " 2 1 pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "You should see both nodes have joined the cluster." msgstr "" #. Tag: para #, no-c-format msgid "All good!" msgstr "" #. Tag: title #, no-c-format msgid "Verify Pacemaker Installation" msgstr "" #. Tag: para #, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack. Pacemaker has already been started, so verify the necessary processes are running." msgstr "" #. Tag: programlisting #, no-c-format msgid "# ps axf\n" " PID TTY STAT TIME COMMAND\n" " 2 ? S 0:00 [kthreadd]\n" "...lots of processes...\n" "28019 ? Ssl 0:03 /usr/sbin/corosync\n" "28047 ? Ss 0:00 /usr/sbin/pacemakerd -f\n" "28048 ? Ss 0:00 \\_ /usr/libexec/pacemaker/cib\n" "28049 ? Ss 0:00 \\_ /usr/libexec/pacemaker/stonithd\n" "28050 ? Ss 0:00 \\_ /usr/lib64/heartbeat/lrmd\n" "28051 ? Ss 0:00 \\_ /usr/libexec/pacemaker/attrd\n" "28052 ? Ss 0:00 \\_ /usr/libexec/pacemaker/pengine\n" "28053 ? Ss 0:00 \\_ /usr/libexec/pacemaker/crmd" msgstr "" #. Tag: para #, no-c-format msgid "If that looks ok, check the pcs status output." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status\n" "Last updated: Fri Sep 14 09:52:25 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, no-c-format msgid "Next, check for any ERRORs during startup - there shouldn’t be any." msgstr "" #. Tag: programlisting #, no-c-format msgid "# grep -i error /var/log/messages" msgstr "" #. Tag: para #, no-c-format msgid "Repeat these checks on the other node. The results should be the same." msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Clusters_from_Scratch.pot000066400000000000000000000005371217637305600272050ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" pacemaker-master/doc/Clusters_from_Scratch/pot/Preface.pot000066400000000000000000000006271217637305600242540ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/pot/Revision_History.pot000066400000000000000000000024171217637305600262250ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2012-10-17T05:19:03\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: member #, no-c-format msgid "Italian translation" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 13" msgstr "" #. Tag: member #, no-c-format msgid "Update the GFS2 section to use CMAN" msgstr "" #. Tag: member #, no-c-format msgid "Generate docbook content from asciidoc sources" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 17" msgstr "" #. Tag: firstname #, no-c-format msgid "David" msgstr "" #. Tag: surname #, no-c-format msgid "Vossel" msgstr "" #. Tag: member #, no-c-format msgid "Updated for pcs" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/publican.cfg.in000066400000000000000000000004021217637305600242330ustar00rootroot00000000000000# Config::Simple 4.59 # Fri Apr 23 15:33:52 2010 docname: Clusters_from_Scratch xml_lang: en-US #edition: 1 type: Book version: @PACKAGE_SERIES@ brand: @PUBLICAN_BRAND@ product: Pacemaker chunk_first: 0 chunk_section_depth: 3 generate_section_toc_level: 4 pacemaker-master/doc/Clusters_from_Scratch/ro-RO/000077500000000000000000000000001217637305600223125ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ap-Cman.po000066400000000000000000000253161217637305600240750ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-02-09T05:01:55\n" "PO-Revision-Date: 2011-11-20 10:41+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Using CMAN for Cluster Membership and Quorum" msgstr "Folosirea CMAN pentru Apartenenţa la Cluster şi Quorum" #. Tag: title #, no-c-format msgid "Background" msgstr "Informaţii de fond" #. Tag: para #, no-c-format msgid "CMAN v3 is a Corosync plugin that monitors the names and number of active cluster nodes in order to deliver membership and quorum information to clients (such as the Pacemaker daemons)." msgstr "CMAN v3 este un plugin al Corosync care monitorizează numele și numărul de noduri active din cluster pentru a livra informații de apartenență și quorum clienților (cum ar fi daemonii Pacemaker-ului)." #. Tag: para #, fuzzy, no-c-format msgid "In a traditional Corosync-Pacemaker cluster, a Pacemaker plugin is loaded to provide membership and quorum information. The motivation for wanting to use CMAN for this instead, is to ensure all elements of the cluster stack are making decisions based on the same membership and quorum data. A failure to do this can lead to what is called internal split-brain - a situation where different parts of the stack disagree about whether some nodes are alive or dead - which quickly leads to unnecssary down-time and/or data corruption. " msgstr "Într-un cluster tradițional Corosync-Pacemaker, un plugin Pacemaker este încărcat pentru a furniza informații de apartenență și quorum. Motivația pentru dorința de a folosi CMAN în schimb, este de a asigura că toate elementele stivei de cluster realizează decizii pe baza acelorași date de apartenență și quorum. Un eșec de a realiza acest lucru poate conduce la ceea ce este numit a fi un split-brain intern - o situație în care părți diferite ale stivei nu sunt de acord dacă unele noduri sunt funcționale sau nu - fapt care conduce rapid către un downtime inutil și/sau către coruperea datelor. " #. Tag: para #, no-c-format msgid "CMAN has been around longer than Pacemaker and is part of the Red Hat cluster stack, so it is available and supported by many distributions and other pieces of software (such as OCFS2 and GFS2). For this reason it makes sense to support it." msgstr "CMAN a fost prin preajmă mai mult timp decât Pacemaker și este parte din stiva de cluster a Red Hat, așa că este disponibil și suportat de către multe distribuții și de alte componente software (cum ar fi OCFS2 și GFS2). Din acest motiv are logică să îl suportăm." #. Tag: title #, no-c-format msgid "Adding CMAN Support" msgstr "Adăugarea de Suport pentru CMAN" #. Tag: para #, no-c-format msgid "Be sure to disable the Pacemaker plugin before continuing with this section. In most cases, this can be achieved by removing /etc/corosync/service.d/pcmk and stopping Corosync." msgstr "Asigurați-vă că dezactivați pluginul de Pacemaker înainte de a continua cu această secțiune. În majoritatea cazurilor, acest lucru poate fi realizat prin înlăturarea /etc/corosync/service.d/pcmk și prin oprirea Corosync." #. Tag: title #, no-c-format msgid "Adding CMAN Support - cluster.conf" msgstr "Adăugarea de Suport pentru CMAN - cluster.conf" #. Tag: para #, fuzzy, no-c-format msgid "The preferred approach for enabling CMAN is to configure cluster.conf and use the /etc/init.d/cman script to start Corosync. Its far easier to maintain and start automatically starts the necessary pieces for using GFS2." msgstr "Abordarea preferată pentru activarea CMAN este să configurați cluster.conf și să folosiți scriptul /etc/init.d/cman pentru a porni Corosync. Este mult mai ușor de menținut și pornirea acestuia pornește automat piesele necesare pentru folosirea GFS2." #. Tag: para #, no-c-format msgid "You can find some documentation on Installing CMAN and Creating a Basic Cluster Configuration File at the Red Hat website. However please ignore the parts about Fencing, Failover Domains, or HA Services and anything to do with rgmanager and fenced. All these continue to be handled by Pacemaker in the normal manner." msgstr "Puteți găsi documentație despre Instalarea CMAN și Crearea unui Fișier de Bază pentru Configurarea Clusterului pe site-ul Red Hat. Totuși vă rugăm să ignorați părțile despre Evacuare forțată, Domenii de Failover sau Servicii HA și orice are de-a face cu rgmanager și fenced. Toate acestea continuă să fie gestionate de către Pacemaker într-o manieră normală." #. Tag: title #, no-c-format msgid "Sample cluster.conf for a two-node cluster" msgstr "Exemplu de cluster.conf pentru un cluster format din două noduri" #. Tag: programlisting #, no-c-format msgid "" "\n" "\t\n" "<?xml version=\"1.0\"?>\n" "<cluster config_version=\"1\" name=\"east8\">\n" " <logging debug=\"off\"/>\n" " <clusternodes>\n" " <clusternode name=\"pcmk-1\" nodeid=\"1\">\n" " <fence>\n" " <method name=\"pcmk-redirect\">\n" " <device name=\"pcmk\" port=\"pcmk-1\"/>\n" " </method>\n" " </fence>\n" " </clusternode>\n" " <clusternode name=\"pcmk-3\" nodeid=\"2\">\n" " <fence>\n" " <method name=\"pcmk-redirect\">\n" " <device name=\"pcmk\" port=\"pcmk-3\"/>\n" " </method>\n" " </fence>\n" " </clusternode>\n" " </clusternodes>\n" " <fencedevices>\n" " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" " </fencedevices>\n" "</cluster>\n" "\t\n" "\t" msgstr "" "\n" "\t\n" "<?xml version=\"1.0\"?>\n" "<cluster config_version=\"1\" name=\"east8\">\n" " <logging debug=\"off\"/>\n" " <clusternodes>\n" " <clusternode name=\"pcmk-1\" nodeid=\"1\">\n" " <fence>\n" " <method name=\"pcmk-redirect\">\n" " <device name=\"pcmk\" port=\"pcmk-1\"/>\n" " </method>\n" " </fence>\n" " </clusternode>\n" " <clusternode name=\"pcmk-3\" nodeid=\"2\">\n" " <fence>\n" " <method name=\"pcmk-redirect\">\n" " <device name=\"pcmk\" port=\"pcmk-3\"/>\n" " </method>\n" " </fence>\n" " </clusternode>\n" " </clusternodes>\n" " <fencedevices>\n" " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" " </fencedevices>\n" "</cluster>\n" "\t\n" "\t" #. Tag: title #, no-c-format msgid "Adding CMAN Support - corosync.conf" msgstr "Adăugarea de Suport pentru CMAN - corosync.conf" #. Tag: para #, no-c-format msgid "The alternative is to add the necessary cman configuration elements to corosync.conf. We recommend you place these directives in /etc/corosync/service.d/cman as they will differ between machines." msgstr "Alternativa este să adăugați elementele necesare pentru configurarea cman în corosync.conf. Vă recomandăm să plasați aceste directive în /etc/corosync/service.d/cman din moment ce acestea vor fi diferite între mașini." #. Tag: para #, fuzzy, no-c-format msgid "If you choose this approach, you would continue to start and stop Corosync with it's init script as previously described in this document." msgstr "Dacă alegeți această abordare, veți continua să porniți și să opriți Corosync cu scriptul său de init după cum am descris în prealabil în acest document." #. Tag: title #, no-c-format msgid "Sample corosync.conf extensions for a two-node cluster" msgstr "Exemplu de extensii ale corosync.conf pentru un cluster format din două noduri" #. Tag: programlisting #, no-c-format msgid "" "\n" "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/cman\n" "cluster {\n" " name: beekhof\n" "\n" " clusternodes {\n" " clusternode {\n" " votes: 1\n" " nodeid: 1\n" " name: pcmk-1\n" " }\n" " clusternode {\n" " votes: 1\n" " nodeid: 2\n" " name: pcmk-2\n" " }\n" " }\n" " cman {\n" " expected_votes: 2\n" " cluster_id: 123\n" " nodename: `uname -n`\n" " two_node: 1\n" " max_queued: 10\n" " }\n" "}\n" "\n" "service {\n" " name: corosync_cman\n" " ver: 0\n" "}\n" "\n" "quorum {\n" " provider: quorum_cman\n" "}\n" "END\n" "\t" msgstr "" "\n" "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/cman\n" "cluster {\n" " name: beekhof\n" "\n" " clusternodes {\n" " clusternode {\n" " votes: 1\n" " nodeid: 1\n" " name: pcmk-1\n" " }\n" " clusternode {\n" " votes: 1\n" " nodeid: 2\n" " name: pcmk-2\n" " }\n" " }\n" " cman {\n" " expected_votes: 2\n" " cluster_id: 123\n" " nodename: `uname -n`\n" " two_node: 1\n" " max_queued: 10\n" " }\n" "}\n" "\n" "service {\n" " name: corosync_cman\n" " ver: 0\n" "}\n" "\n" "quorum {\n" " provider: quorum_cman\n" "}\n" "END\n" "\t" #. Tag: para #, no-c-format msgid "Verify that nodename was set appropriately on each host." msgstr "Verificați că nodename a fost setat corespunzător pe fiecare gazdă." pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ap-Configuration.po000066400000000000000000000710011217637305600260160ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-12-31T16:43:02\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Recap" msgstr "Recapitularea Configurației" #. Tag: title #, no-c-format msgid "Final Cluster Configuration" msgstr "Configurația Finală a Clusterului" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100\n" "# pcs resource op defaults\n" "timeout: 240s\n" "# pcs stonith\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " ClusterIP-clone then WebSite-clone\n" " WebDataClone then WebSite-clone\n" " WebFS-clone then WebSite-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone\n" "#\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 13:45:34 2012\n" "Last change: Fri Sep 14 13:43:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "11 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " impi-fencing (stonith:fence_ipmilan): Started" msgstr "" #. Tag: para #, no-c-format msgid "In xml it should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib admin_epoch=\"0\" cib-last-written=\"Fri Sep 14 13:43:13 2012\" crm_feature_set=\"3.0.6\" dc-uuid=\"1\" epoch=\"47\" have-quorum=\"1\" num_updates=\"50\" update-client=\"cibadmin\" update-origin=\"pcmk-1\" validate-with=\"pacemaker-1.2\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " <nvpair id=\"cib-bootstrap-options-no-quorum-policy\" name=\"no-quorum-policy\" value=\"ignore\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"true\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" type=\"normal\" uname=\"pcmk-1\"/>\n" " <node id=\"2\" type=\"normal\" uname=\"pcmk-2\"/>\n" " </nodes>\n" " <resources>\n" " <master id=\"WebDataClone\">\n" " <primitive class=\"ocf\" id=\"WebData\" provider=\"linbit\" type=\"drbd\">\n" " <instance_attributes id=\"WebData-instance_attributes\">\n" " <nvpair id=\"WebData-instance_attributes-drbd_resource\" name=\"drbd_resource\" value=\"wwwdata\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebData-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebDataClone-meta_attributes\">\n" " <nvpair id=\"WebDataClone-meta_attributes-master-node-max\" name=\"master-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-notify\" name=\"notify\" value=\"true\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-master-max\" name=\"master-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </master>\n" " <clone id=\"dlm-clone\">\n" " <primitive class=\"ocf\" id=\"dlm\" provider=\"pacemaker\" type=\"controld\">\n" " <instance_attributes id=\"dlm-instance_attributes\"/>\n" " <operations>\n" " <op id=\"dlm-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"dlm-clone-meta\">\n" " <nvpair id=\"dlm-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"dlm-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"ClusterIP-clone\">\n" " <primitive class=\"ocf\" id=\"ClusterIP\" provider=\"heartbeat\" type=\"IPaddr2\">\n" " <instance_attributes id=\"ClusterIP-instance_attributes\">\n" " <nvpair id=\"ClusterIP-instance_attributes-ip\" name=\"ip\" value=\"192.168.0.120\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-cidr_netmask\" name=\"cidr_netmask\" value=\"32\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-clusterip_hash\" name=\"clusterip_hash\" value=\"sourceip\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ClusterIP-interval-30s\" interval=\"30s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"ClusterIP-clone-meta\">\n" " <nvpair id=\"ClusterIP-globally-unique\" name=\"globally-unique\" value=\"true\"/>\n" " <nvpair id=\"ClusterIP-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"ClusterIP-clone-node-max\" name=\"clone-node-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"WebFS-clone\">\n" " <primitive class=\"ocf\" id=\"WebFS\" provider=\"heartbeat\" type=\"Filesystem\">\n" " <instance_attributes id=\"WebFS-instance_attributes\">\n" " <nvpair id=\"WebFS-instance_attributes-device\" name=\"device\" value=\"/dev/drbd/by-res/wwwdata\"/>\n" " <nvpair id=\"WebFS-instance_attributes-directory\" name=\"directory\" value=\"/var/www/html\"/>\n" " <nvpair id=\"WebFS-instance_attributes-fstype\" name=\"fstype\" value=\"gfs2\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"WebFS-meta_attributes\"/>\n" " </primitive>\n" " <meta_attributes id=\"WebFS-clone-meta\"/>\n" " </clone>\n" " <clone id=\"WebSite-clone\">\n" " <primitive class=\"ocf\" id=\"WebSite\" provider=\"heartbeat\" type=\"apache\">\n" " <instance_attributes id=\"WebSite-instance_attributes\">\n" " <nvpair id=\"WebSite-instance_attributes-configfile\" name=\"configfile\" value=\"/etc/httpd/conf/httpd.conf\"/>\n" " <nvpair id=\"WebSite-instance_attributes-statusurl\" name=\"statusurl\" value=\"http://localhost/server-status\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebSite-interval-1min\" interval=\"1min\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebSite-clone-meta\"/>\n" " </clone>\n" " <primitive class=\"stonith\" id=\"impi-fencing\" type=\"fence_ipmilan\">\n" " <instance_attributes id=\"impi-fencing-instance_attributes\">\n" " <nvpair id=\"impi-fencing-instance_attributes-pcmk_host_list\" name=\"pcmk_host_list\" value=\"pcmk-1 pcmk-2\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-ipaddr\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-login\" name=\"login\" value=\"testuser\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-passwd\" name=\"passwd\" value=\"acd123\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"impi-fencing-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"colocation-WebSite-ClusterIP-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"ClusterIP-clone\"/>\n" " <rsc_order first=\"ClusterIP-clone\" first-action=\"start\" id=\"order-ClusterIP-WebSite-mandatory\" then=\"WebSite-clone\" then-action=\"start\"/>\n" " <rsc_colocation id=\"colocation-WebFS-WebDataClone-INFINITY\" rsc=\"WebFS-clone\" score=\"INFINITY\" with-rsc=\"WebDataClone\" with-rsc-role=\"Master\"/>\n" " <rsc_colocation id=\"colocation-WebSite-WebFS-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"WebFS-clone\"/>\n" " <rsc_order first=\"WebFS-clone\" id=\"order-WebFS-WebSite-mandatory\" then=\"WebSite-clone\"/>\n" " <rsc_order first=\"WebDataClone\" first-action=\"promote\" id=\"order-WebDataClone-WebFS-mandatory\" then=\"WebFS-clone\" then-action=\"start\"/>\n" " </constraints>\n" " <rsc_defaults>\n" " <meta_attributes id=\"rsc_defaults-options\">\n" " <nvpair id=\"rsc_defaults-options-resource-stickiness\" name=\"resource-stickiness\" value=\"100\"/>\n" " </meta_attributes>\n" " </rsc_defaults>\n" " <op_defaults>\n" " <meta_attributes id=\"op_defaults-options\">\n" " <nvpair id=\"op_defaults-options-timeout\" name=\"timeout\" value=\"240s\"/>\n" " </meta_attributes>\n" " </op_defaults>\n" " </configuration>\n" "</cib>" msgstr "" #. Tag: title #, no-c-format msgid "Node List" msgstr "Lista Nodurilor" #. Tag: para #, no-c-format msgid "The list of cluster nodes is automatically populated by the cluster." msgstr "Lista nodurilor din cluster este populată în mod automat de către cluster." #. Tag: literallayout #, no-c-format msgid "" "Pacemaker Nodes:\n" " Online: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "Opțiunile Clusterului" #. Tag: para #, no-c-format msgid "This is where the cluster automatically stores some information about the cluster" msgstr "Aici este locul unde clusterul stochează automat anumite informații despre cluster" #. Tag: para #, no-c-format msgid "dc-version - the version (including upstream source-code hash) of Pacemaker used on the DC" msgstr "dc-version - versiunea (incluzând hash-ul codului sursă din upstream) Pacemaker-ului folosit pe DC" #. Tag: para #, no-c-format msgid "cluster-infrastructure - the cluster infrastructure being used (heartbeat or openais)" msgstr "cluster-infrastructure - infrastructura de cluster folosită (heartbeat sau openais)" #. Tag: para #, no-c-format msgid "expected-quorum-votes - the maximum number of nodes expected to be part of the cluster" msgstr "expected-quorum-votes - numărul maxim de noduri care se așteaptă să facă parte din cluster" #. Tag: para #, no-c-format msgid "and where the admin can set options that control the way the cluster operates" msgstr "și locul unde administratorul poate seta opțiuni care controlează modul în care operează clusterul" #. Tag: para #, no-c-format msgid "stonith-enabled=true - Make use of STONITH" msgstr "stonith-enabled=true - Pune STONITH în folosință" #. Tag: para #, no-c-format msgid "no-quorum-policy=ignore - Ignore loss of quorum and continue to host resources." msgstr "no-quorum-policy=ignore - Ignoră pierderea quorumului și continuă să găzduiască resurse." #. Tag: programlisting #, no-c-format msgid "" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: title #, no-c-format msgid "Resources" msgstr "Resurse" #. Tag: title #, no-c-format msgid "Default Options" msgstr "Opțiuni Implicite" #. Tag: para #, no-c-format msgid "Here we configure cluster options that apply to every resource." msgstr "Aici configurăm opțiuni ale clusterului care se aplică fiecărei resurse." #. Tag: para #, no-c-format msgid "resource-stickiness - Specify the aversion to moving resources to other machines" msgstr "resource-stickiness - Specifică aversiunea față de mutarea resurselor către alte mașini" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #. Tag: title #, no-c-format msgid "Fencing" msgstr "Evacuarea Forțată" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith show\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs stonith show impi-fencing\n" "Resource: impi-fencing\n" " pcmk_host_list: pcmk-1 pcmk-2\n" " ipaddr: 10.0.0.1\n" " login: testuser\n" " passwd: acd123" msgstr "" #. Tag: title #, no-c-format msgid "Service Address" msgstr "Adresa Serviciului" #. Tag: para #, no-c-format msgid "Users of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one \"request bucket\" for each node) and that if one node fails, then the remaining node should hold both." msgstr "Utilizatorii serviciilor furnizate de către cluster necesită o adresă neschimbabilă prin care să le acceseze. În mod adițional, am clonat adresa astfel încât va fi activă pe ambele noduri. O regulă de iptables (creată ca parte din agentul de resursă) este folosită pentru a asigura faptul că fiecare cerere va fi procesată doar de către una din cele două instanțe ale clonei. Meta opțiunile adiționale spun clusterului că dorim două instanțe ale clonei (câte o \"găleată de cereri\" pentru fiecare nod) și că dacă un nod eșuează, atunci nodul care rămâne ar trebui să le țină pe amândouă." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show ClusterIP-clone\n" "Resource: ClusterIP-clone\n" " ip: 192.168.0.120\n" " cidr_netmask: 32\n" " clusterip_hash: sourceip\n" " globally-unique: true\n" " clone-max: 2\n" " clone-node-max: 2\n" " op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "TODO: The RA should check for globally-unique=true when cloned" msgstr "TODO: RA-ul ar trebui să verifice globally-unique=true când este clonat" #. Tag: title #, no-c-format msgid "DRBD - Shared Storage" msgstr "DRBD - Stocare Partajată" #. Tag: para #, no-c-format msgid "Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it’s peer changes state." msgstr "Aici definim serviciul DRBD și specificăm care resursă DRBD (din drbd.conf) ar trebui să gestioneze. O creem ca resursă master/slave și pentru a avea un setup activ/activ, permitem ambelor instanțe să fie promovate specificând master-max=2. De asemenea setăm opțiunea notify astfel încât clusterul va spune agentului DRBD când vecinul acestuia își schimbă starea." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebDataClone\n" "Resource: WebDataClone\n" " drbd_resource: wwwdata\n" " master-node-max: 1\n" " clone-max: 2\n" " clone-node-max: 1\n" " notify: true\n" " master-max: 2\n" " op monitor interval=60s\n" "# pcs constraint ref WebDataClone\n" "Resource: WebDataClone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Filesystem" msgstr "Sistem de Fișiere de Cluster" #. Tag: para #, no-c-format msgid "The cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances." msgstr "Sistemul de fișiere de cluster se asigură că fișierele sunt citite și scrise corect. Trebuie să specificâm dispozitivul de tip bloc (furnizat de DRBD), unde îl vrem montat și că folosim GFS2. Din nou este o clonă deoarece este intenționat să fie activă pe ambele noduri. Restricțiile adiționale asigură faptul că poate fi pornită numai pe noduri cu gfs-control activ și instanțe DRBD." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS-clone\n" "Resource: WebFS-clone\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" "# pcs constraint ref WebFS-clone\n" "Resource: WebFS-clone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-WebFS-WebSite-mandatory\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Apache" msgstr "Apache" #. Tag: para #, fuzzy, no-c-format msgid "Lastly we have the actual service, Apache. We need only tell the cluster where to find it’s main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active." msgstr "În cele din urmă avem serviciul în sine, Apache. Nu trebuie decât să specificăm clusterului unde să găsească fișierul principal de configurare al acestuia și să-l restricționăm în a rula numai pe nodurile care au montat sistemul de fișiere cerut și adresa IP activă." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebSite-clone\n" "Resource: WebSite-clone\n" " configfile: /etc/httpd/conf/httpd.conf\n" " statusurl: http://localhost/server-status\n" " master-max: 2\n" " op monitor interval=1min\n" "# pcs constraint ref WebSite-clone\n" "Resource: WebSite-clone\n" " colocation-WebSite-ClusterIP-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-ClusterIP-WebSite-mandatory\n" " order-WebFS-WebSite-mandatory" msgstr "" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ "        params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ "        params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ msgstr "" #~ "\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ msgid "" #~ "\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgstr "" #~ "\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgid "" #~ "\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "TODO: Add text here" #~ msgstr "TODO: Adaugă text aici" #~ msgid "" #~ "\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ "        params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "clone Fencing rsa-fencing\n" #~ msgstr "" #~ "\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ "        params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "clone Fencing rsa-fencing\n" #~ msgid "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "clone WebIP ClusterIP  \n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ msgstr "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "clone WebIP ClusterIP  \n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ msgid "" #~ "\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ msgstr "" #~ "\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ msgid "" #~ "\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "clone WebFSClone WebFS\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ msgstr "" #~ "\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "clone WebFSClone WebFS\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ msgid "" #~ "\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ msgstr "" #~ "\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ap-Corosync-Conf.po000066400000000000000000000132761217637305600257030ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-20 00:27+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Sample Corosync Configuration" msgstr "Exemplu de Configurație al Corosync" #. Tag: title #, fuzzy, no-c-format msgid "Sample corosync.conf for two-node cluster using a node list." msgstr "Exemplu de corosync.conf pentru un cluster cu două noduri" #. Tag: literallayout #, no-c-format msgid "" "# Please read the corosync.conf.5 manual page\n" "totem {\n" "version: 2\n" "secauth: off\n" "cluster_name: mycluster\n" "transport: udpu\n" "}\n" "\n" "nodelist {\n" " node {\n" " ring0_addr: pcmk-1\n" " nodeid: 1\n" " }\n" " node {\n" " ring0_addr: pcmk-2\n" " nodeid: 2\n" " }\n" "}\n" "\n" "quorum {\n" " provider: corosync_votequorum\n" "}\n" "\n" "logging {\n" " to_syslog: yes\n" "}" msgstr "" #~ msgid "" #~ "\n" #~ "\t\n" #~ "# Please read the Corosync.conf.5 manual page\n" #~ "compatibility: whitetank\n" #~ "\n" #~ "totem {\n" #~ "        version: 2\n" #~ "\n" #~ "        # How long before declaring a token lost (ms)\n" #~ "        token:          5000\n" #~ "\n" #~ "        # How many token retransmits before forming a new configuration\n" #~ "        token_retransmits_before_loss_const: 10\n" #~ "\n" #~ "        # How long to wait for join messages in the membership protocol (ms)\n" #~ "        join:           1000\n" #~ "\n" #~ "        # How long to wait for consensus to be achieved before starting a new\n" #~ "        # round of membership configuration (ms)\n" #~ "        consensus:      6000\n" #~ "\n" #~ "        # Turn off the virtual synchrony filter\n" #~ "        vsftype:        none\n" #~ "\n" #~ "        # Number of messages that may be sent by one processor on receipt of the token\n" #~ "        max_messages:   20\n" #~ "\n" #~ "        # Stagger sending the node join messages by 1..send_join ms\n" #~ "        send_join: 45\n" #~ "\n" #~ "        # Limit generated nodeids to 31-bits (positive signed integers)\n" #~ "        clear_node_high_bit: yes\n" #~ "\n" #~ "        # Disable encryption\n" #~ "        secauth:        off\n" #~ "\n" #~ "        # How many threads to use for encryption/decryption\n" #~ "        threads:           0\n" #~ "\n" #~ "        # Optionally assign a fixed node id (integer)\n" #~ "        # nodeid:         1234\n" #~ "\n" #~ "        interface {\n" #~ "                ringnumber: 0\n" #~ "\n" #~ "                # The following values need to be set based on your environment\n" #~ "                bindnetaddr: 192.168.122.0\n" #~ "                mcastaddr: 226.94.1.1\n" #~ "                mcastport: 4000\n" #~ "        }\n" #~ "}\n" #~ "\n" #~ "logging {\n" #~ "        debug: off\n" #~ "        fileline: off\n" #~ "        to_syslog: yes\n" #~ "        to_stderr: off\n" #~ "        syslog_facility: daemon\n" #~ "        timestamp: on\n" #~ "}\n" #~ "\n" #~ "amf {\n" #~ "        mode: disabled\n" #~ "}\n" #~ "\t\n" #~ " " #~ msgstr "" #~ "\n" #~ "\t\n" #~ "# Please read the Corosync.conf.5 manual page\n" #~ "compatibility: whitetank\n" #~ "\n" #~ "totem {\n" #~ "        version: 2\n" #~ "\n" #~ "        # How long before declaring a token lost (ms)\n" #~ "        token:          5000\n" #~ "\n" #~ "        # How many token retransmits before forming a new configuration\n" #~ "        token_retransmits_before_loss_const: 10\n" #~ "\n" #~ "        # How long to wait for join messages in the membership protocol (ms)\n" #~ "        join:           1000\n" #~ "\n" #~ "        # How long to wait for consensus to be achieved before starting a new\n" #~ "        # round of membership configuration (ms)\n" #~ "        consensus:      6000\n" #~ "\n" #~ "        # Turn off the virtual synchrony filter\n" #~ "        vsftype:        none\n" #~ "\n" #~ "        # Number of messages that may be sent by one processor on receipt of the token\n" #~ "        max_messages:   20\n" #~ "\n" #~ "        # Stagger sending the node join messages by 1..send_join ms\n" #~ "        send_join: 45\n" #~ "\n" #~ "        # Limit generated nodeids to 31-bits (positive signed integers)\n" #~ "        clear_node_high_bit: yes\n" #~ "\n" #~ "        # Disable encryption\n" #~ "        secauth:        off\n" #~ "\n" #~ "        # How many threads to use for encryption/decryption\n" #~ "        threads:           0\n" #~ "\n" #~ "        # Optionally assign a fixed node id (integer)\n" #~ "        # nodeid:         1234\n" #~ "\n" #~ "        interface {\n" #~ "                ringnumber: 0\n" #~ "\n" #~ "                # The following values need to be set based on your environment\n" #~ "                bindnetaddr: 192.168.122.0\n" #~ "                mcastaddr: 226.94.1.1\n" #~ "                mcastport: 4000\n" #~ "        }\n" #~ "}\n" #~ "\n" #~ "logging {\n" #~ "        debug: off\n" #~ "        fileline: off\n" #~ "        to_syslog: yes\n" #~ "        to_stderr: off\n" #~ "        syslog_facility: daemon\n" #~ "        timestamp: on\n" #~ "}\n" #~ "\n" #~ "amf {\n" #~ "        mode: disabled\n" #~ "}\n" #~ "\t\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ap-Reading.po000066400000000000000000000040721217637305600245640ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-20 10:41+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "Documentație Suplimentară" #. Tag: para #, fuzzy, no-c-format msgid "Project Website http://www.clusterlabs.org" msgstr "http://www.clusterlabs.org" #. Tag: para #, fuzzy, no-c-format msgid "Cluster Commands A comprehensive guide to cluster commands has been written by SuSE and can be found at: http://www.suse.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html" msgstr "http://www.novell.com/documentation/sles11/book_sleha/index.html?page=/documentation/sles11/book_sleha/data/book_sleha.html" #. Tag: para #, fuzzy, no-c-format msgid "Corosync http://www.corosync.org" msgstr "http://www.corosync.org" #~ msgid "Project Website" #~ msgstr "Site-ul Proiectului" #~ msgid "Cluster Commands" #~ msgstr "Comenzile Clusterului" #~ msgid "A comprehensive guide to cluster commands has been written by Novell and can be found at:" #~ msgstr "Un ghid comprehensiv pentru comenzile clusterului a fost scris de către Novell și poate fi găsit la:" #~ msgid "Corosync" #~ msgstr "Corosync" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Author_Group.po000066400000000000000000000021561217637305600252740ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-20 10:53+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "Red Hat" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "Autor principal" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "Raoul" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "Scarazzini" #. Tag: contrib #, no-c-format msgid "Italian translation" msgstr "Traducerea în limba italiană" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "Dan" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "Frîncu" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "Traducerea în limba română" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Book_Info.po000066400000000000000000000053441217637305600245250ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-21 23:38+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Clusters from Scratch" msgstr "Clusters from Scratch" #. Tag: subtitle #, no-c-format msgid "Creating Active/Passive and Active/Active Clusters on Fedora" msgstr "Crearea de Clustere Active/Pasive și Active/Active pe Fedora" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "Pacemaker" #. Tag: para #, no-c-format msgid "The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one." msgstr "Scopul acestui document este de a furniza un ghid de la început-la-sfârșit despre cum să construiți un exemplu de cluster activ/pasiv cu Pacemaker și de a arăta cum poate fi convertit la unul de tip activ/activ." #. Tag: para #, no-c-format msgid "The example cluster will use:" msgstr "Clusterul din exemplu va folosi: " #. Tag: para #, no-c-format msgid "&DISTRO; &DISTRO_VERSION; as the host operating system" msgstr "&DISTRO; &DISTRO_VERSION; ca sistem de operare gazdă" #. Tag: para #, no-c-format msgid "Corosync to provide messaging and membership services," msgstr "Corosync pentru a furniza servicii de mesagerie și apartenență," #. Tag: para #, no-c-format msgid "Pacemaker to perform resource management," msgstr "Pacemaker pentru a efectua gestiunea resurselor," #. Tag: para #, no-c-format msgid "DRBD as a cost-effective alternative to shared storage," msgstr "DRBD ca o alternativă eficientă ca și cost pentru spațiu de stocare partajat," #. Tag: para #, no-c-format msgid "GFS2 as the cluster filesystem (in active/active mode)" msgstr "GFS2 ca și sistem de fișiere de cluster (în mod activ/activ)" #. Tag: para #, no-c-format msgid "Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs." msgstr "Dată fiind natura grafică a procesului de instalare al Fedora, un număr de capturi de ecran sunt incluse. Însă ghidul este compus în mod primar din comenzi, motivele pentru care sunt executate și rezultatele de ieșire așteptate ale acestora." #~ msgid "The crm shell for displaying the configuration and making changes" #~ msgstr "Shell-ul crm pentru vizualizarea configurației și pentru realizarea de modificări" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Active-Active.po000066400000000000000000003017751217637305600256430ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-22 10:42+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Conversion to Active/Active" msgstr "Conversia la Activ/Activ" #. Tag: title #, no-c-format msgid "Requirements" msgstr "Cerințe" #. Tag: para #, no-c-format msgid "The primary requirement for an Active/Active cluster is that the data required for your services is available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that." msgstr "Cerința primară pentru un cluster Activ/Activ este ca datele necesare pentru serviciile voastre să fie disponibile, în mod simultan, pe ambele mașini. Pacemaker nu face nici o cerință asupra modului în care este atins acest scop, ați putea folosi un SAN dacă ați fi avut unul disponibil, însă din moment ce DRBD suportă noduri multiple Primare, putem să le folosim pe acestea de asemenea." #. Tag: para #, fuzzy, no-c-format msgid "The only hitch is that we need to use a cluster-aware filesystem. The one we used earlier with DRBD, ext4, is not one of those. Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with Fedora 17." msgstr "Singura piedică este că avem nevoie de un sistem de fișiere conștient de cluster. Cel folosit anterior cu DRBD, ext4, nu este unul dintre acelea. Atât OCFS2 cât și GFS2 sunt suportate, însă aici vom folosi GFS2 care vine împreună cu &DISTRO; &DISTRO_VERSION;." #. Tag: title #, no-c-format msgid "Installing the required Software" msgstr "Instalarea Soft-ului necesar" #. Tag: programlisting #, no-c-format msgid "# yum install -y gfs2-utils dlm kernel-modules-extra" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package dlm.x86_64 0:3.99.4-1.fc17 will be installed\n" "---> Package gfs2-utils.x86_64 0:3.1.4-3.fc17 will be installed\n" "---> Package kernel-modules-extra.x86_64 0:3.4.4-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "================================================================================\n" " Package Arch Version Repository Size\n" "================================================================================\n" "Installing:\n" " dlm x86_64 3.99.4-1.fc17 updates 83 k\n" " gfs2-utils x86_64 3.1.4-3.fc17 fedora 214 k\n" " kernel-modules-extra x86_64 3.4.4-3.fc17 updates 1.7 M\n" "\n" "Transaction Summary\n" "================================================================================\n" "Install 3 Packages\n" "\n" "Total download size: 1.9 M\n" "Installed size: 7.7 M\n" "Downloading Packages:\n" "(1/3): dlm-3.99.4-1.fc17.x86_64.rpm | 83 kB 00:00\n" "(2/3): gfs2-utils-3.1.4-3.fc17.x86_64.rpm | 214 kB 00:00\n" "(3/3): kernel-modules-extra-3.4.4-3.fc17.x86_64.rpm | 1.7 MB 00:01\n" "--------------------------------------------------------------------------------\n" "Total 615 kB/s | 1.9 MB 00:03\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : kernel-modules-extra-3.4.4-3.fc17.x86_64 1/3\n" " Installing : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Installing : dlm-3.99.4-1.fc17.x86_64 3/3\n" " Verifying : dlm-3.99.4-1.fc17.x86_64 1/3\n" " Verifying : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Verifying : kernel-modules-extra-3.4.4-3.fc17.x86_64 3/3\n" "\n" "Installed:\n" " dlm.x86_64 0:3.99.4-1.fc17\n" " gfs2-utils.x86_64 0:3.1.4-3.fc17\n" " kernel-modules-extra.x86_64 0:3.4.4-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Create a GFS2 Filesystem" msgstr "Creați un Sistem de Fișiere GFS2" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Pregătire" #. Tag: para #, no-c-format msgid "Before we do anything to the existing partition, we need to make sure it is unmounted. We do this by telling the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order." msgstr "Înainte de a face orice partiției existente, trebuie să ne asigurăm că este nemontată. Realizăm acest lucru spunând clusterului să oprească resursa WebFS. Acest lucru va asigura că alte resurse (în cazul nostru, Apache) care folosesc WebFS nu sunt doar oprite, ci sunt oprite în ordinea corectă." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource stop WebFS\n" "# pcs resource\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "Note that both Apache and WebFS have been stopped." msgstr "Luați aminte că atât Apache cât și WebFS au fost oprite." #. Tag: title #, no-c-format msgid "Create and Populate an GFS2 Partition" msgstr "Crearea și Popularea unei Partiții GFS2" #. Tag: para #, no-c-format msgid "Now that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition." msgstr "Acum că stiva de cluster și componentele de integrare rulează fără piedici, putem crea o partiție GFS2." #. Tag: para #, no-c-format msgid "This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data." msgstr "Această acțiune va șterge tot conținutul stocat anterior pe dispozitivul DRBD. Asigurați-vă că aveți o copie a oricăror date importante." #. Tag: para #, no-c-format msgid "We need to specify a number of additional parameters when creating a GFS2 partition." msgstr "Trebuie să specificăm un număr de parametri adiționali când creem o partiție GFS2." #. Tag: para #, no-c-format msgid "First we must use the -p option to specify that we want to use the the Kernel’s DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem)." msgstr "Întâi trebuie să folosim opțiunea -p pentru a specifica faptul că vrem să folosim DLM-ul Kernel-ului. În continuare folosim -j pentru a indica faptul că trebuie să rezerve destul spațiu pentru două jurnale (unul pentru fiecare nod care accesează sistemul de fișiere)." #. Tag: para #, no-c-format msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we need to use the same value as specified in corosync.conf for cluster_name. If you setup corosync with the same cluster name we used in this tutorial, cluster name will be mycluster. If you are unsure what your cluster name is, open up /etc/corosync/corosync.conf, or execute the command pcs cluster corosync pcmk-1 to view the corosync config. The cluster name will be in the totem block." msgstr "" #. Tag: para #, no-c-format msgid "We must run the next command on whichever node last had /dev/drbd mounted. Otherwise you will receive the message:" msgstr "" #. Tag: screen #, no-c-format msgid "/dev/drbd1: Read-only file system" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ssh pcmk-2 -- mkfs.gfs2 -p lock_dlm -j 2 -t mycluster:web /dev/drbd1\n" "This will destroy any data on /dev/drbd1.\n" "It appears to contain: Linux rev 1.0 ext4 filesystem data, UUID=dc45fff3-c47a-4db2-96f7-a8049a323fe4 (extents) (large files) (huge files)\n" "Are you sure you want to proceed? [y/n]y\n" "Device: /dev/drbd1\n" "Blocksize: 4096\n" "Device Size 0.97 GB (253935 blocks)\n" "Filesystem Size: 0.97 GB (253932 blocks)\n" "Journals: 2\n" "Resource Groups: 4\n" "Locking Protocol: \"lock_dlm\"\n" "Lock Table: \"mycluster\"\n" "UUID: ed293a02-9eee-3fa3-ed1c-435ef1fd0116" msgstr "" "\n" "[root@pcmk-1 ~]# mkfs.gfs2 -p lock_dlm -j 2 -t pcmk:web /dev/drbd1\n" "This will destroy any data on /dev/drbd1.\n" "It appears to contain: data\n" "\n" "Are you sure you want to proceed? [y/n] y\n" "\n" "Device:                    /dev/drbd1\n" "Blocksize:                 4096\n" "Device Size                1.00 GB (131072 blocks)\n" "Filesystem Size:           1.00 GB (131070 blocks)\n" "Journals:                  2\n" "Resource Groups:           2\n" "Locking Protocol:          \"lock_dlm\"\n" "Lock Table:                \"pcmk:web\"\n" "UUID:                      6B776F46-177B-BAF8-2C2B-292C0E078613\n" "\n" "[root@pcmk-1 ~]#\n" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster cib dlm_cfg\n" "# pcs -f dlm_cfg resource create dlm ocf:pacemaker:controld op monitor interval=60s\n" "# pcs -f dlm_cfg resource clone dlm clone-max=2 clone-node-max=1\n" "# pcs -f dlm_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Stopped: [ dlm:0 dlm:1 ]\n" "# pcs cluster push cib dlm_cfg\n" "CIB updated\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:54:50 2012\n" "Last change: Fri Sep 14 12:54:43 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "7 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: para #, no-c-format msgid "Then (re)populate the new filesystem with data (web pages). For now we’ll create another variation on our home page." msgstr "Apoi (re)populați noul sistem de fișiere cu date (pagini web). Momentan vom crea o nouă variație pe pagina noastră principală." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "# umount /dev/drbd1\n" "# drbdadm verify wwwdata#" msgstr "" "\n" "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "[root@pcmk-1 ~]# umount /dev/drbd1\n" "[root@pcmk-1 ~]# drbdadm verify wwwdata\n" "[root@pcmk-1 ~]#\n" #. Tag: title #, no-c-format msgid "Reconfigure the Cluster for GFS2" msgstr "Reconfigurarea Clusterului pentru GFS2" #. Tag: para #, no-c-format msgid "With the WebFS resource stopped, lets update the configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: ext4\n" " target-role: Stopped" msgstr "" #. Tag: para #, no-c-format msgid "The fstype option needs to be updated to gfs2 instead of ext4." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource update WebFS fstype=gfs2\n" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" " target-role: Stopped\n" "CIB updated" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure Pacemaker for Active/Active" msgstr "Reconfigurarea Pacemaker pentru Activ/Activ" #. Tag: para #, no-c-format msgid "Almost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we’re using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this." msgstr "Aproape totul este la locul său. Versiunile recente de DRBD sunt capabile să opereze în mod Primar/Primar și sistemul de fișiere pe care îl folosim este conștient de cluster. Tot ce trebuie să facem aum este să reconfigurăm clusterul pentru a profita de acest lucru." #. Tag: para #, fuzzy, no-c-format msgid "This will involve a number of changes, so we’ll want work with a local cib file." msgstr "Acest lucru va implica un număr de modificări, așa că vom folosi din nou modul interactiv." #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib active_cfg" msgstr "" #. Tag: para #, no-c-format msgid "There’s no point making the services active on both locations if we can’t reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one \"request bucket\" for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded." msgstr "Nu are nici un sens să facem serviciile active în ambele locații dacă nu putem ajunge la acestea, așa că hai să clonăm adresa IP. Resursele clonate IPaddr2 folosesc o regulă de iptables pentru a se asigura că fiecare cerere nu este procesată decât de una din cele două instanțe ale clonei. Meta opțiunile adiționale spun clusterului câte instanțe ale clonei dorim (câte o \"găleată de cereri\" pentru fiecare nod) și că dacă toate celelalte noduri eșuează, atunci nodul care rămâne ar trebui să le țină pe toate. Altfel cererile ar fi pur și simplu aruncate." #. Tag: screen #, fuzzy, no-c-format msgid "" "# pcs -f active_cfg resource clone ClusterIP \\\n" " globally-unique=true clone-max=2 clone-node-max=2" msgstr "" "\n" "[root@pcmk-1 ~]# configure clone WebIP ClusterIP  \\\n" "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" " " #. Tag: para #, no-c-format msgid "Notice when the ClusterIP becomes a clone, the constraints referencing ClusterIP now reference the clone. This is done automatically by pcs." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP-clone\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS" msgstr "" #. Tag: para #, no-c-format msgid "Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter." msgstr "Acum trebuie să spunem ClusterIP-ului cum să decidă care cereri sunt procesate de care gazde. Pentru a realiza acest lucru trebuie să specificăm parametrul clusterip_hash." #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update ClusterIP clusterip_hash=sourceip" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next we need to convert the filesystem and Apache resources into clones." msgstr "În continuare trebuie să convertim resursele de sistem de fișiere și Apache în clone. Din nou, shell-ul va actualiza în mod automat orice restricții relevante." #. Tag: para #, no-c-format msgid "Notice how pcs automatically updates the relevant constraints again." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg resource clone WebFS\n" "# pcs -f active_cfg resource clone WebSite\n" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite-clone\n" " WebFS-clone then WebSite-clone\n" " promote WebDataClone then start WebFS-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone" msgstr "" #. Tag: para #, no-c-format msgid "The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master)." msgstr "Ultimul pas este acela de a spune clusterului că acum îi este permis să promoveze ambele instanțe să fie Primare (Master)." #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update WebDataClone master-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster’s response" msgstr "Revizuiți configurația înainte de a o încărca pe cluster, părăsind shell-ul și urmărind răspunsul clusterului" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster push cib active_cfg\n" "# pcs resource start WebFS" msgstr "" #. Tag: para #, no-c-format msgid "After all the processes are started the status should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Testing Recovery" msgstr "Testarea Recuperării" #. Tag: para #, no-c-format msgid "TODO: Put one node into standby to demonstrate failover" msgstr "TODO: Plasarea unui nod în standby pentru a demonstra failover-ul" #~ msgid "We'll also need to use CMAN for Cluster Membership and Quorum instead of our Corosync plugin." #~ msgstr "Va trebui de asemenea să folosim CMAN pentru Apartenența la Cluster și Quorum în locul plugin-ului nostru de Corosync." #~ msgid "Adding CMAN Support" #~ msgstr "Adăugarea de Suport pentru CMAN" #~ msgid "CMAN v3 is a Corosync plugin that monitors the names and number of active cluster nodes in order to deliver membership and quorum information to clients (such as the Pacemaker daemons)." #~ msgstr "CMAN v3 este un plugin al Corosync care monitorizează numele și numărul de noduri active din cluster pentru a livra informații de apartenență și quorum clienților (cum ar fi daemonii Pacemaker)." #~ msgid "In a traditional Corosync-Pacemaker cluster, a Pacemaker plugin is loaded to provide membership and quorum information. The motivation for wanting to use CMAN for this instead, is to ensure all elements of the cluster stack are making decisions based on the same membership and quorum data. A failure to do this can lead to what is called internal split-brain - a situation where different parts of the stack disagree about whether some nodes are alive or dead - which quickly leads to unnecssary down-time and/or data corruption. " #~ msgstr "Într-un cluster tradițional Corosync-Pacemaker, un plugin Pacemaker este încărcat pentru a furniza informații de apartenență și quorum. Motivația pentru a dori folosirea CMAN în schimb pentru acest lucru, este de a asigura că toate elementele stivei de cluster realizează decizii bazate pe aceleași date de apartenență și quorum. Un eșec de a realiza acest lucru poate duce la ceea ce este numit a fi un split-brain intern - o situație în care părți diferite ale stivei nu sunt de acord dacă unele noduri sunt funcționale sau nu - fapt care conduce rapid către o nefuncționare inutilă și/sau către coruperea datelor. " #~ msgid "In the case of GFS2, the key pieces are the dlm_controld and gfs_controld helpers which act as the glue between the filesystem and the cluster software. Supporting CMAN enables us to use the versions already being shipped by most distributions (since CMAN has been around longer than Pacemaker and is part of the Red Hat cluster stack)." #~ msgstr "În cazul GFS2, componentele cheie sunt ajutoarele dlm_controld și gfs_controld care se comportă ca o îmbinare între sistemul de fișiere și soft-ul de cluster. Suportarea CMAN ne permite să folosim versiunile deja expediate de către majoritatea distribuțiilor (din moment ce CMAN a fost prin preajmă mai mult timp decât Pacemaker și este totodată parte din stiva de cluster a Red Hat)." #~ msgid "Ensure Corosync and Pacemaker are stopped on all nodes before continuing" #~ msgstr "Asigurați-vă că Pacemaker și Corosync sunt oprite pe toate nodurile înainte de a continua" #~ msgid "Be sure to disable the Pacemaker plugin before continuing with this section. In most cases, this can be achieved by removing /etc/corosync/service.d/pcmk and stopping Corosync." #~ msgstr "Să vă asigurați că dezactivați plugin-ul de Pacemaker înainte de a continua cu această secțiune. În majoritatea cazurilor, acest lucru poate fi realizat prin înlăturarea /etc/corosync/service.d/pcmk și prin oprirea Corosync." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y cman gfs2-utils gfs2-cluster\n" #~ "Loaded plugins: auto-update-debuginfo\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package cman.x86_64 0:3.1.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: modcluster >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: fence-agents >= 3.1.5-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: openais >= 1.1.4-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: ricci >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: cman-3.1.7-1.fc15.x86_64\n" #~ "---> Package gfs2-cluster.x86_64 0:3.1.1-2.fc15 will be installed\n" #~ "---> Package gfs2-utils.x86_64 0:3.1.1-2.fc15 will be installed\n" #~ "--> Running transaction check\n" #~ "---> Package fence-agents.x86_64 0:3.1.5-1.fc15 will be installed\n" #~ "--> Processing Dependency: /usr/bin/virsh for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: net-snmp-utils for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: sg3_utils for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: perl(Net::Telnet) for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: /usr/bin/ipmitool for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: perl-Net-Telnet for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: pexpect for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: pyOpenSSL for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: python-suds for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "---> Package modcluster.x86_64 0:0.18.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: oddjob for package: modcluster-0.18.7-1.fc15.x86_64\n" #~ "---> Package openais.x86_64 0:1.1.4-2.fc15 will be installed\n" #~ "---> Package openaislib.x86_64 0:1.1.4-2.fc15 will be installed\n" #~ "---> Package ricci.x86_64 0:0.18.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: parted for package: ricci-0.18.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: nss-tools for package: ricci-0.18.7-1.fc15.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package ipmitool.x86_64 0:1.8.11-6.fc15 will be installed\n" #~ "---> Package libvirt-client.x86_64 0:0.8.8-7.fc15 will be installed\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.3.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: cyrus-sasl-md5 for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: gettext for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: nc for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1(libnuma_1.1)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1(libnuma_1.2)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.2.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: gnutls-utils for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.0.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libxenstore.so.3.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libyajl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libaugeas.so.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "---> Package net-snmp-utils.x86_64 1:5.6.1-7.fc15 will be installed\n" #~ "---> Package nss-tools.x86_64 0:3.12.10-6.fc15 will be installed\n" #~ "---> Package oddjob.x86_64 0:0.31-2.fc15 will be installed\n" #~ "---> Package parted.x86_64 0:2.3-10.fc15 will be installed\n" #~ "---> Package perl-Net-Telnet.noarch 0:3.03-12.fc15 will be installed\n" #~ "---> Package pexpect.noarch 0:2.3-6.fc15 will be installed\n" #~ "---> Package pyOpenSSL.x86_64 0:0.10-3.fc15 will be installed\n" #~ "---> Package python-suds.noarch 0:0.3.9-3.fc15 will be installed\n" #~ "---> Package sg3_utils.x86_64 0:1.29-3.fc15 will be installed\n" #~ "--> Processing Dependency: sg3_utils-libs = 1.29-3.fc15 for package: sg3_utils-1.29-3.fc15.x86_64\n" #~ "--> Processing Dependency: libsgutils2.so.2()(64bit) for package: sg3_utils-1.29-3.fc15.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package augeas-libs.x86_64 0:0.9.0-1.fc15 will be installed\n" #~ "---> Package cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15 will be installed\n" #~ "---> Package gettext.x86_64 0:0.18.1.1-7.fc15 will be installed\n" #~ "--> Processing Dependency: libgomp.so.1(GOMP_1.0)(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgettextlib-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgettextsrc-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgomp.so.1()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "---> Package gnutls-utils.x86_64 0:2.10.5-1.fc15 will be installed\n" #~ "---> Package libnl.x86_64 0:1.1-14.fc15 will be installed\n" #~ "---> Package nc.x86_64 0:1.100-3.fc15 will be installed\n" #~ "--> Processing Dependency: libbsd.so.0(LIBBSD_0.0)(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "--> Processing Dependency: libbsd.so.0(LIBBSD_0.2)(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "--> Processing Dependency: libbsd.so.0()(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "---> Package netcf-libs.x86_64 0:0.1.9-1.fc15 will be installed\n" #~ "---> Package numactl.x86_64 0:2.0.7-1.fc15 will be installed\n" #~ "---> Package sg3_utils-libs.x86_64 0:1.29-3.fc15 will be installed\n" #~ "---> Package xen-libs.x86_64 0:4.1.1-3.fc15 will be installed\n" #~ "--> Processing Dependency: xen-licenses for package: xen-libs-4.1.1-3.fc15.x86_64\n" #~ "---> Package yajl.x86_64 0:1.0.11-1.fc15 will be installed\n" #~ "--> Running transaction check\n" #~ "---> Package gettext-libs.x86_64 0:0.18.1.1-7.fc15 will be installed\n" #~ "---> Package libbsd.x86_64 0:0.2.0-4.fc15 will be installed\n" #~ "---> Package libgomp.x86_64 0:4.6.1-9.fc15 will be installed\n" #~ "---> Package xen-licenses.x86_64 0:4.1.1-3.fc15 will be installed\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=============================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "=============================================================================\n" #~ "Installing:\n" #~ " cman x86_64 3.1.7-1.fc15 updates 366 k\n" #~ " gfs2-cluster x86_64 3.1.1-2.fc15 fedora 69 k\n" #~ " gfs2-utils x86_64 3.1.1-2.fc15 fedora 222 k\n" #~ "Installing for dependencies:\n" #~ " augeas-libs x86_64 0.9.0-1.fc15 updates 311 k\n" #~ " cyrus-sasl-md5 x86_64 2.1.23-18.fc15 updates 46 k\n" #~ " fence-agents x86_64 3.1.5-1.fc15 updates 186 k\n" #~ " gettext x86_64 0.18.1.1-7.fc15 fedora 1.0 M\n" #~ " gettext-libs x86_64 0.18.1.1-7.fc15 fedora 610 k\n" #~ " gnutls-utils x86_64 2.10.5-1.fc15 fedora 101 k\n" #~ " ipmitool x86_64 1.8.11-6.fc15 fedora 273 k\n" #~ " libbsd x86_64 0.2.0-4.fc15 fedora 37 k\n" #~ " libgomp x86_64 4.6.1-9.fc15 updates 95 k\n" #~ " libnl x86_64 1.1-14.fc15 fedora 118 k\n" #~ " libvirt-client x86_64 0.8.8-7.fc15 updates 2.4 M\n" #~ " modcluster x86_64 0.18.7-1.fc15 fedora 187 k\n" #~ " nc x86_64 1.100-3.fc15 updates 24 k\n" #~ " net-snmp-utils x86_64 1:5.6.1-7.fc15 fedora 180 k\n" #~ " netcf-libs x86_64 0.1.9-1.fc15 updates 50 k\n" #~ " nss-tools x86_64 3.12.10-6.fc15 updates 723 k\n" #~ " numactl x86_64 2.0.7-1.fc15 updates 54 k\n" #~ " oddjob x86_64 0.31-2.fc15 fedora 61 k\n" #~ " openais x86_64 1.1.4-2.fc15 fedora 190 k\n" #~ " openaislib x86_64 1.1.4-2.fc15 fedora 88 k\n" #~ " parted x86_64 2.3-10.fc15 updates 618 k\n" #~ " perl-Net-Telnet noarch 3.03-12.fc15 fedora 55 k\n" #~ " pexpect noarch 2.3-6.fc15 fedora 141 k\n" #~ " pyOpenSSL x86_64 0.10-3.fc15 fedora 198 k\n" #~ " python-suds noarch 0.3.9-3.fc15 fedora 195 k\n" #~ " ricci x86_64 0.18.7-1.fc15 fedora 584 k\n" #~ " sg3_utils x86_64 1.29-3.fc15 fedora 465 k\n" #~ " sg3_utils-libs x86_64 1.29-3.fc15 fedora 54 k\n" #~ " xen-libs x86_64 4.1.1-3.fc15 updates 310 k\n" #~ " xen-licenses x86_64 4.1.1-3.fc15 updates 64 k\n" #~ " yajl x86_64 1.0.11-1.fc15 fedora 27 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=============================================================================\n" #~ "Install 34 Package(s)\n" #~ "\n" #~ "Total download size: 10 M\n" #~ "Installed size: 38 M\n" #~ "Downloading Packages:\n" #~ "(1/34): augeas-libs-0.9.0-1.fc15.x86_64.rpm | 311 kB 00:00 \n" #~ "(2/34): cman-3.1.7-1.fc15.x86_64.rpm | 366 kB 00:00 \n" #~ "(3/34): cyrus-sasl-md5-2.1.23-18.fc15.x86_64.rpm | 46 kB 00:00 \n" #~ "(4/34): fence-agents-3.1.5-1.fc15.x86_64.rpm | 186 kB 00:00 \n" #~ "(5/34): gettext-0.18.1.1-7.fc15.x86_64.rpm | 1.0 MB 00:01 \n" #~ "(6/34): gettext-libs-0.18.1.1-7.fc15.x86_64.rpm | 610 kB 00:00 \n" #~ "(7/34): gfs2-cluster-3.1.1-2.fc15.x86_64.rpm | 69 kB 00:00 \n" #~ "(8/34): gfs2-utils-3.1.1-2.fc15.x86_64.rpm | 222 kB 00:00 \n" #~ "(9/34): gnutls-utils-2.10.5-1.fc15.x86_64.rpm | 101 kB 00:00 \n" #~ "(10/34): ipmitool-1.8.11-6.fc15.x86_64.rpm | 273 kB 00:00 \n" #~ "(11/34): libbsd-0.2.0-4.fc15.x86_64.rpm | 37 kB 00:00 \n" #~ "(12/34): libgomp-4.6.1-9.fc15.x86_64.rpm | 95 kB 00:00 \n" #~ "(13/34): libnl-1.1-14.fc15.x86_64.rpm | 118 kB 00:00 \n" #~ "(14/34): libvirt-client-0.8.8-7.fc15.x86_64.rpm | 2.4 MB 00:01 \n" #~ "(15/34): modcluster-0.18.7-1.fc15.x86_64.rpm | 187 kB 00:00 \n" #~ "(16/34): nc-1.100-3.fc15.x86_64.rpm | 24 kB 00:00 \n" #~ "(17/34): net-snmp-utils-5.6.1-7.fc15.x86_64.rpm | 180 kB 00:00 \n" #~ "(18/34): netcf-libs-0.1.9-1.fc15.x86_64.rpm | 50 kB 00:00 \n" #~ "(19/34): nss-tools-3.12.10-6.fc15.x86_64.rpm | 723 kB 00:00 \n" #~ "(20/34): numactl-2.0.7-1.fc15.x86_64.rpm | 54 kB 00:00 \n" #~ "(21/34): oddjob-0.31-2.fc15.x86_64.rpm | 61 kB 00:00 \n" #~ "(22/34): openais-1.1.4-2.fc15.x86_64.rpm | 190 kB 00:00 \n" #~ "(23/34): openaislib-1.1.4-2.fc15.x86_64.rpm | 88 kB 00:00 \n" #~ "(24/34): parted-2.3-10.fc15.x86_64.rpm | 618 kB 00:00 \n" #~ "(25/34): perl-Net-Telnet-3.03-12.fc15.noarch.rpm | 55 kB 00:00 \n" #~ "(26/34): pexpect-2.3-6.fc15.noarch.rpm | 141 kB 00:00 \n" #~ "(27/34): pyOpenSSL-0.10-3.fc15.x86_64.rpm | 198 kB 00:00 \n" #~ "(28/34): python-suds-0.3.9-3.fc15.noarch.rpm | 195 kB 00:00 \n" #~ "(29/34): ricci-0.18.7-1.fc15.x86_64.rpm | 584 kB 00:00 \n" #~ "(30/34): sg3_utils-1.29-3.fc15.x86_64.rpm | 465 kB 00:00 \n" #~ "(31/34): sg3_utils-libs-1.29-3.fc15.x86_64.rpm | 54 kB 00:00 \n" #~ "(32/34): xen-libs-4.1.1-3.fc15.x86_64.rpm | 310 kB 00:00 \n" #~ "(33/34): xen-licenses-4.1.1-3.fc15.x86_64.rpm | 64 kB 00:00 \n" #~ "(34/34): yajl-1.0.11-1.fc15.x86_64.rpm | 27 kB 00:00 \n" #~ "-----------------------------------------------------------------------------\n" #~ "Total 803 kB/s | 10 MB 00:12 \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : openais-1.1.4-2.fc15.x86_64 1/34 \n" #~ " Installing : openaislib-1.1.4-2.fc15.x86_64 2/34 \n" #~ " Installing : libnl-1.1-14.fc15.x86_64 3/34 \n" #~ " Installing : augeas-libs-0.9.0-1.fc15.x86_64 4/34 \n" #~ " Installing : oddjob-0.31-2.fc15.x86_64 5/34 \n" #~ " Installing : modcluster-0.18.7-1.fc15.x86_64 6/34 \n" #~ " Installing : netcf-libs-0.1.9-1.fc15.x86_64 7/34 \n" #~ " Installing : 1:net-snmp-utils-5.6.1-7.fc15.x86_64 8/34 \n" #~ " Installing : sg3_utils-libs-1.29-3.fc15.x86_64 9/34 \n" #~ " Installing : sg3_utils-1.29-3.fc15.x86_64 10/34 \n" #~ " Installing : libgomp-4.6.1-9.fc15.x86_64 11/34 \n" #~ " Installing : gnutls-utils-2.10.5-1.fc15.x86_64 12/34 \n" #~ " Installing : pyOpenSSL-0.10-3.fc15.x86_64 13/34 \n" #~ " Installing : parted-2.3-10.fc15.x86_64 14/34 \n" #~ " Installing : cyrus-sasl-md5-2.1.23-18.fc15.x86_64 15/34 \n" #~ " Installing : python-suds-0.3.9-3.fc15.noarch 16/34 \n" #~ " Installing : ipmitool-1.8.11-6.fc15.x86_64 17/34 \n" #~ " Installing : perl-Net-Telnet-3.03-12.fc15.noarch 18/34 \n" #~ " Installing : numactl-2.0.7-1.fc15.x86_64 19/34 \n" #~ " Installing : yajl-1.0.11-1.fc15.x86_64 20/34 \n" #~ " Installing : gettext-libs-0.18.1.1-7.fc15.x86_64 21/34 \n" #~ " Installing : gettext-0.18.1.1-7.fc15.x86_64 22/34 \n" #~ " Installing : libbsd-0.2.0-4.fc15.x86_64 23/34 \n" #~ " Installing : nc-1.100-3.fc15.x86_64 24/34 \n" #~ " Installing : xen-licenses-4.1.1-3.fc15.x86_64 25/34 \n" #~ " Installing : xen-libs-4.1.1-3.fc15.x86_64 26/34 \n" #~ " Installing : libvirt-client-0.8.8-7.fc15.x86_64 27/34 \n" #~ "\n" #~ "Note: This output shows SysV services only and does not include native\n" #~ " systemd services. SysV configuration data might be overridden by native\n" #~ " systemd configuration.\n" #~ "\n" #~ " Installing : nss-tools-3.12.10-6.fc15.x86_64 28/34 \n" #~ " Installing : ricci-0.18.7-1.fc15.x86_64 29/34 \n" #~ " Installing : pexpect-2.3-6.fc15.noarch 30/34 \n" #~ " Installing : fence-agents-3.1.5-1.fc15.x86_64 31/34 \n" #~ " Installing : cman-3.1.7-1.fc15.x86_64 32/34 \n" #~ " Installing : gfs2-cluster-3.1.1-2.fc15.x86_64 33/34 \n" #~ " Installing : gfs2-utils-3.1.1-2.fc15.x86_64 34/34 \n" #~ "\n" #~ "Installed:\n" #~ " cman.x86_64 0:3.1.7-1.fc15 gfs2-cluster.x86_64 0:3.1.1-2.fc15 \n" #~ " gfs2-utils.x86_64 0:3.1.1-2.fc15 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " augeas-libs.x86_64 0:0.9.0-1.fc15 \n" #~ " cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15 \n" #~ " fence-agents.x86_64 0:3.1.5-1.fc15 \n" #~ " gettext.x86_64 0:0.18.1.1-7.fc15 \n" #~ " gettext-libs.x86_64 0:0.18.1.1-7.fc15 \n" #~ " gnutls-utils.x86_64 0:2.10.5-1.fc15 \n" #~ " ipmitool.x86_64 0:1.8.11-6.fc15 \n" #~ " libbsd.x86_64 0:0.2.0-4.fc15 \n" #~ " libgomp.x86_64 0:4.6.1-9.fc15 \n" #~ " libnl.x86_64 0:1.1-14.fc15 \n" #~ " libvirt-client.x86_64 0:0.8.8-7.fc15 \n" #~ " modcluster.x86_64 0:0.18.7-1.fc15 \n" #~ " nc.x86_64 0:1.100-3.fc15 \n" #~ " net-snmp-utils.x86_64 1:5.6.1-7.fc15 \n" #~ " netcf-libs.x86_64 0:0.1.9-1.fc15 \n" #~ " nss-tools.x86_64 0:3.12.10-6.fc15 \n" #~ " numactl.x86_64 0:2.0.7-1.fc15 \n" #~ " oddjob.x86_64 0:0.31-2.fc15 \n" #~ " openais.x86_64 0:1.1.4-2.fc15 \n" #~ " openaislib.x86_64 0:1.1.4-2.fc15 \n" #~ " parted.x86_64 0:2.3-10.fc15 \n" #~ " perl-Net-Telnet.noarch 0:3.03-12.fc15 \n" #~ " pexpect.noarch 0:2.3-6.fc15 \n" #~ " pyOpenSSL.x86_64 0:0.10-3.fc15 \n" #~ " python-suds.noarch 0:0.3.9-3.fc15 \n" #~ " ricci.x86_64 0:0.18.7-1.fc15 \n" #~ " sg3_utils.x86_64 0:1.29-3.fc15 \n" #~ " sg3_utils-libs.x86_64 0:1.29-3.fc15 \n" #~ " xen-libs.x86_64 0:4.1.1-3.fc15 \n" #~ " xen-licenses.x86_64 0:4.1.1-3.fc15 \n" #~ " yajl.x86_64 0:1.0.11-1.fc15 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y cman gfs2-utils gfs2-cluster\n" #~ "Loaded plugins: auto-update-debuginfo\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package cman.x86_64 0:3.1.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: modcluster >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: fence-agents >= 3.1.5-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: openais >= 1.1.4-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: ricci >= 0.18.1-1 for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: cman-3.1.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: cman-3.1.7-1.fc15.x86_64\n" #~ "---> Package gfs2-cluster.x86_64 0:3.1.1-2.fc15 will be installed\n" #~ "---> Package gfs2-utils.x86_64 0:3.1.1-2.fc15 will be installed\n" #~ "--> Running transaction check\n" #~ "---> Package fence-agents.x86_64 0:3.1.5-1.fc15 will be installed\n" #~ "--> Processing Dependency: /usr/bin/virsh for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: net-snmp-utils for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: sg3_utils for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: perl(Net::Telnet) for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: /usr/bin/ipmitool for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: perl-Net-Telnet for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: pexpect for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: pyOpenSSL for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "--> Processing Dependency: python-suds for package: fence-agents-3.1.5-1.fc15.x86_64\n" #~ "---> Package modcluster.x86_64 0:0.18.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: oddjob for package: modcluster-0.18.7-1.fc15.x86_64\n" #~ "---> Package openais.x86_64 0:1.1.4-2.fc15 will be installed\n" #~ "---> Package openaislib.x86_64 0:1.1.4-2.fc15 will be installed\n" #~ "---> Package ricci.x86_64 0:0.18.7-1.fc15 will be installed\n" #~ "--> Processing Dependency: parted for package: ricci-0.18.7-1.fc15.x86_64\n" #~ "--> Processing Dependency: nss-tools for package: ricci-0.18.7-1.fc15.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package ipmitool.x86_64 0:1.8.11-6.fc15 will be installed\n" #~ "---> Package libvirt-client.x86_64 0:0.8.8-7.fc15 will be installed\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.3.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: cyrus-sasl-md5 for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: gettext for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: nc for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1(libnuma_1.1)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1(libnuma_1.2)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.2.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: gnutls-utils for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1(NETCF_1.0.0)(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libxenstore.so.3.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libyajl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnl.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnuma.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libaugeas.so.0()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "--> Processing Dependency: libnetcf.so.1()(64bit) for package: libvirt-client-0.8.8-7.fc15.x86_64\n" #~ "---> Package net-snmp-utils.x86_64 1:5.6.1-7.fc15 will be installed\n" #~ "---> Package nss-tools.x86_64 0:3.12.10-6.fc15 will be installed\n" #~ "---> Package oddjob.x86_64 0:0.31-2.fc15 will be installed\n" #~ "---> Package parted.x86_64 0:2.3-10.fc15 will be installed\n" #~ "---> Package perl-Net-Telnet.noarch 0:3.03-12.fc15 will be installed\n" #~ "---> Package pexpect.noarch 0:2.3-6.fc15 will be installed\n" #~ "---> Package pyOpenSSL.x86_64 0:0.10-3.fc15 will be installed\n" #~ "---> Package python-suds.noarch 0:0.3.9-3.fc15 will be installed\n" #~ "---> Package sg3_utils.x86_64 0:1.29-3.fc15 will be installed\n" #~ "--> Processing Dependency: sg3_utils-libs = 1.29-3.fc15 for package: sg3_utils-1.29-3.fc15.x86_64\n" #~ "--> Processing Dependency: libsgutils2.so.2()(64bit) for package: sg3_utils-1.29-3.fc15.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package augeas-libs.x86_64 0:0.9.0-1.fc15 will be installed\n" #~ "---> Package cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15 will be installed\n" #~ "---> Package gettext.x86_64 0:0.18.1.1-7.fc15 will be installed\n" #~ "--> Processing Dependency: libgomp.so.1(GOMP_1.0)(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgettextlib-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgettextsrc-0.18.1.so()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "--> Processing Dependency: libgomp.so.1()(64bit) for package: gettext-0.18.1.1-7.fc15.x86_64\n" #~ "---> Package gnutls-utils.x86_64 0:2.10.5-1.fc15 will be installed\n" #~ "---> Package libnl.x86_64 0:1.1-14.fc15 will be installed\n" #~ "---> Package nc.x86_64 0:1.100-3.fc15 will be installed\n" #~ "--> Processing Dependency: libbsd.so.0(LIBBSD_0.0)(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "--> Processing Dependency: libbsd.so.0(LIBBSD_0.2)(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "--> Processing Dependency: libbsd.so.0()(64bit) for package: nc-1.100-3.fc15.x86_64\n" #~ "---> Package netcf-libs.x86_64 0:0.1.9-1.fc15 will be installed\n" #~ "---> Package numactl.x86_64 0:2.0.7-1.fc15 will be installed\n" #~ "---> Package sg3_utils-libs.x86_64 0:1.29-3.fc15 will be installed\n" #~ "---> Package xen-libs.x86_64 0:4.1.1-3.fc15 will be installed\n" #~ "--> Processing Dependency: xen-licenses for package: xen-libs-4.1.1-3.fc15.x86_64\n" #~ "---> Package yajl.x86_64 0:1.0.11-1.fc15 will be installed\n" #~ "--> Running transaction check\n" #~ "---> Package gettext-libs.x86_64 0:0.18.1.1-7.fc15 will be installed\n" #~ "---> Package libbsd.x86_64 0:0.2.0-4.fc15 will be installed\n" #~ "---> Package libgomp.x86_64 0:4.6.1-9.fc15 will be installed\n" #~ "---> Package xen-licenses.x86_64 0:4.1.1-3.fc15 will be installed\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=============================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "=============================================================================\n" #~ "Installing:\n" #~ " cman x86_64 3.1.7-1.fc15 updates 366 k\n" #~ " gfs2-cluster x86_64 3.1.1-2.fc15 fedora 69 k\n" #~ " gfs2-utils x86_64 3.1.1-2.fc15 fedora 222 k\n" #~ "Installing for dependencies:\n" #~ " augeas-libs x86_64 0.9.0-1.fc15 updates 311 k\n" #~ " cyrus-sasl-md5 x86_64 2.1.23-18.fc15 updates 46 k\n" #~ " fence-agents x86_64 3.1.5-1.fc15 updates 186 k\n" #~ " gettext x86_64 0.18.1.1-7.fc15 fedora 1.0 M\n" #~ " gettext-libs x86_64 0.18.1.1-7.fc15 fedora 610 k\n" #~ " gnutls-utils x86_64 2.10.5-1.fc15 fedora 101 k\n" #~ " ipmitool x86_64 1.8.11-6.fc15 fedora 273 k\n" #~ " libbsd x86_64 0.2.0-4.fc15 fedora 37 k\n" #~ " libgomp x86_64 4.6.1-9.fc15 updates 95 k\n" #~ " libnl x86_64 1.1-14.fc15 fedora 118 k\n" #~ " libvirt-client x86_64 0.8.8-7.fc15 updates 2.4 M\n" #~ " modcluster x86_64 0.18.7-1.fc15 fedora 187 k\n" #~ " nc x86_64 1.100-3.fc15 updates 24 k\n" #~ " net-snmp-utils x86_64 1:5.6.1-7.fc15 fedora 180 k\n" #~ " netcf-libs x86_64 0.1.9-1.fc15 updates 50 k\n" #~ " nss-tools x86_64 3.12.10-6.fc15 updates 723 k\n" #~ " numactl x86_64 2.0.7-1.fc15 updates 54 k\n" #~ " oddjob x86_64 0.31-2.fc15 fedora 61 k\n" #~ " openais x86_64 1.1.4-2.fc15 fedora 190 k\n" #~ " openaislib x86_64 1.1.4-2.fc15 fedora 88 k\n" #~ " parted x86_64 2.3-10.fc15 updates 618 k\n" #~ " perl-Net-Telnet noarch 3.03-12.fc15 fedora 55 k\n" #~ " pexpect noarch 2.3-6.fc15 fedora 141 k\n" #~ " pyOpenSSL x86_64 0.10-3.fc15 fedora 198 k\n" #~ " python-suds noarch 0.3.9-3.fc15 fedora 195 k\n" #~ " ricci x86_64 0.18.7-1.fc15 fedora 584 k\n" #~ " sg3_utils x86_64 1.29-3.fc15 fedora 465 k\n" #~ " sg3_utils-libs x86_64 1.29-3.fc15 fedora 54 k\n" #~ " xen-libs x86_64 4.1.1-3.fc15 updates 310 k\n" #~ " xen-licenses x86_64 4.1.1-3.fc15 updates 64 k\n" #~ " yajl x86_64 1.0.11-1.fc15 fedora 27 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=============================================================================\n" #~ "Install 34 Package(s)\n" #~ "\n" #~ "Total download size: 10 M\n" #~ "Installed size: 38 M\n" #~ "Downloading Packages:\n" #~ "(1/34): augeas-libs-0.9.0-1.fc15.x86_64.rpm | 311 kB 00:00 \n" #~ "(2/34): cman-3.1.7-1.fc15.x86_64.rpm | 366 kB 00:00 \n" #~ "(3/34): cyrus-sasl-md5-2.1.23-18.fc15.x86_64.rpm | 46 kB 00:00 \n" #~ "(4/34): fence-agents-3.1.5-1.fc15.x86_64.rpm | 186 kB 00:00 \n" #~ "(5/34): gettext-0.18.1.1-7.fc15.x86_64.rpm | 1.0 MB 00:01 \n" #~ "(6/34): gettext-libs-0.18.1.1-7.fc15.x86_64.rpm | 610 kB 00:00 \n" #~ "(7/34): gfs2-cluster-3.1.1-2.fc15.x86_64.rpm | 69 kB 00:00 \n" #~ "(8/34): gfs2-utils-3.1.1-2.fc15.x86_64.rpm | 222 kB 00:00 \n" #~ "(9/34): gnutls-utils-2.10.5-1.fc15.x86_64.rpm | 101 kB 00:00 \n" #~ "(10/34): ipmitool-1.8.11-6.fc15.x86_64.rpm | 273 kB 00:00 \n" #~ "(11/34): libbsd-0.2.0-4.fc15.x86_64.rpm | 37 kB 00:00 \n" #~ "(12/34): libgomp-4.6.1-9.fc15.x86_64.rpm | 95 kB 00:00 \n" #~ "(13/34): libnl-1.1-14.fc15.x86_64.rpm | 118 kB 00:00 \n" #~ "(14/34): libvirt-client-0.8.8-7.fc15.x86_64.rpm | 2.4 MB 00:01 \n" #~ "(15/34): modcluster-0.18.7-1.fc15.x86_64.rpm | 187 kB 00:00 \n" #~ "(16/34): nc-1.100-3.fc15.x86_64.rpm | 24 kB 00:00 \n" #~ "(17/34): net-snmp-utils-5.6.1-7.fc15.x86_64.rpm | 180 kB 00:00 \n" #~ "(18/34): netcf-libs-0.1.9-1.fc15.x86_64.rpm | 50 kB 00:00 \n" #~ "(19/34): nss-tools-3.12.10-6.fc15.x86_64.rpm | 723 kB 00:00 \n" #~ "(20/34): numactl-2.0.7-1.fc15.x86_64.rpm | 54 kB 00:00 \n" #~ "(21/34): oddjob-0.31-2.fc15.x86_64.rpm | 61 kB 00:00 \n" #~ "(22/34): openais-1.1.4-2.fc15.x86_64.rpm | 190 kB 00:00 \n" #~ "(23/34): openaislib-1.1.4-2.fc15.x86_64.rpm | 88 kB 00:00 \n" #~ "(24/34): parted-2.3-10.fc15.x86_64.rpm | 618 kB 00:00 \n" #~ "(25/34): perl-Net-Telnet-3.03-12.fc15.noarch.rpm | 55 kB 00:00 \n" #~ "(26/34): pexpect-2.3-6.fc15.noarch.rpm | 141 kB 00:00 \n" #~ "(27/34): pyOpenSSL-0.10-3.fc15.x86_64.rpm | 198 kB 00:00 \n" #~ "(28/34): python-suds-0.3.9-3.fc15.noarch.rpm | 195 kB 00:00 \n" #~ "(29/34): ricci-0.18.7-1.fc15.x86_64.rpm | 584 kB 00:00 \n" #~ "(30/34): sg3_utils-1.29-3.fc15.x86_64.rpm | 465 kB 00:00 \n" #~ "(31/34): sg3_utils-libs-1.29-3.fc15.x86_64.rpm | 54 kB 00:00 \n" #~ "(32/34): xen-libs-4.1.1-3.fc15.x86_64.rpm | 310 kB 00:00 \n" #~ "(33/34): xen-licenses-4.1.1-3.fc15.x86_64.rpm | 64 kB 00:00 \n" #~ "(34/34): yajl-1.0.11-1.fc15.x86_64.rpm | 27 kB 00:00 \n" #~ "-----------------------------------------------------------------------------\n" #~ "Total 803 kB/s | 10 MB 00:12 \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : openais-1.1.4-2.fc15.x86_64 1/34 \n" #~ " Installing : openaislib-1.1.4-2.fc15.x86_64 2/34 \n" #~ " Installing : libnl-1.1-14.fc15.x86_64 3/34 \n" #~ " Installing : augeas-libs-0.9.0-1.fc15.x86_64 4/34 \n" #~ " Installing : oddjob-0.31-2.fc15.x86_64 5/34 \n" #~ " Installing : modcluster-0.18.7-1.fc15.x86_64 6/34 \n" #~ " Installing : netcf-libs-0.1.9-1.fc15.x86_64 7/34 \n" #~ " Installing : 1:net-snmp-utils-5.6.1-7.fc15.x86_64 8/34 \n" #~ " Installing : sg3_utils-libs-1.29-3.fc15.x86_64 9/34 \n" #~ " Installing : sg3_utils-1.29-3.fc15.x86_64 10/34 \n" #~ " Installing : libgomp-4.6.1-9.fc15.x86_64 11/34 \n" #~ " Installing : gnutls-utils-2.10.5-1.fc15.x86_64 12/34 \n" #~ " Installing : pyOpenSSL-0.10-3.fc15.x86_64 13/34 \n" #~ " Installing : parted-2.3-10.fc15.x86_64 14/34 \n" #~ " Installing : cyrus-sasl-md5-2.1.23-18.fc15.x86_64 15/34 \n" #~ " Installing : python-suds-0.3.9-3.fc15.noarch 16/34 \n" #~ " Installing : ipmitool-1.8.11-6.fc15.x86_64 17/34 \n" #~ " Installing : perl-Net-Telnet-3.03-12.fc15.noarch 18/34 \n" #~ " Installing : numactl-2.0.7-1.fc15.x86_64 19/34 \n" #~ " Installing : yajl-1.0.11-1.fc15.x86_64 20/34 \n" #~ " Installing : gettext-libs-0.18.1.1-7.fc15.x86_64 21/34 \n" #~ " Installing : gettext-0.18.1.1-7.fc15.x86_64 22/34 \n" #~ " Installing : libbsd-0.2.0-4.fc15.x86_64 23/34 \n" #~ " Installing : nc-1.100-3.fc15.x86_64 24/34 \n" #~ " Installing : xen-licenses-4.1.1-3.fc15.x86_64 25/34 \n" #~ " Installing : xen-libs-4.1.1-3.fc15.x86_64 26/34 \n" #~ " Installing : libvirt-client-0.8.8-7.fc15.x86_64 27/34 \n" #~ "\n" #~ "Note: This output shows SysV services only and does not include native\n" #~ " systemd services. SysV configuration data might be overridden by native\n" #~ " systemd configuration.\n" #~ "\n" #~ " Installing : nss-tools-3.12.10-6.fc15.x86_64 28/34 \n" #~ " Installing : ricci-0.18.7-1.fc15.x86_64 29/34 \n" #~ " Installing : pexpect-2.3-6.fc15.noarch 30/34 \n" #~ " Installing : fence-agents-3.1.5-1.fc15.x86_64 31/34 \n" #~ " Installing : cman-3.1.7-1.fc15.x86_64 32/34 \n" #~ " Installing : gfs2-cluster-3.1.1-2.fc15.x86_64 33/34 \n" #~ " Installing : gfs2-utils-3.1.1-2.fc15.x86_64 34/34 \n" #~ "\n" #~ "Installed:\n" #~ " cman.x86_64 0:3.1.7-1.fc15 gfs2-cluster.x86_64 0:3.1.1-2.fc15 \n" #~ " gfs2-utils.x86_64 0:3.1.1-2.fc15 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " augeas-libs.x86_64 0:0.9.0-1.fc15 \n" #~ " cyrus-sasl-md5.x86_64 0:2.1.23-18.fc15 \n" #~ " fence-agents.x86_64 0:3.1.5-1.fc15 \n" #~ " gettext.x86_64 0:0.18.1.1-7.fc15 \n" #~ " gettext-libs.x86_64 0:0.18.1.1-7.fc15 \n" #~ " gnutls-utils.x86_64 0:2.10.5-1.fc15 \n" #~ " ipmitool.x86_64 0:1.8.11-6.fc15 \n" #~ " libbsd.x86_64 0:0.2.0-4.fc15 \n" #~ " libgomp.x86_64 0:4.6.1-9.fc15 \n" #~ " libnl.x86_64 0:1.1-14.fc15 \n" #~ " libvirt-client.x86_64 0:0.8.8-7.fc15 \n" #~ " modcluster.x86_64 0:0.18.7-1.fc15 \n" #~ " nc.x86_64 0:1.100-3.fc15 \n" #~ " net-snmp-utils.x86_64 1:5.6.1-7.fc15 \n" #~ " netcf-libs.x86_64 0:0.1.9-1.fc15 \n" #~ " nss-tools.x86_64 0:3.12.10-6.fc15 \n" #~ " numactl.x86_64 0:2.0.7-1.fc15 \n" #~ " oddjob.x86_64 0:0.31-2.fc15 \n" #~ " openais.x86_64 0:1.1.4-2.fc15 \n" #~ " openaislib.x86_64 0:1.1.4-2.fc15 \n" #~ " parted.x86_64 0:2.3-10.fc15 \n" #~ " perl-Net-Telnet.noarch 0:3.03-12.fc15 \n" #~ " pexpect.noarch 0:2.3-6.fc15 \n" #~ " pyOpenSSL.x86_64 0:0.10-3.fc15 \n" #~ " python-suds.noarch 0:0.3.9-3.fc15 \n" #~ " ricci.x86_64 0:0.18.7-1.fc15 \n" #~ " sg3_utils.x86_64 0:1.29-3.fc15 \n" #~ " sg3_utils-libs.x86_64 0:1.29-3.fc15 \n" #~ " xen-libs.x86_64 0:4.1.1-3.fc15 \n" #~ " xen-licenses.x86_64 0:4.1.1-3.fc15 \n" #~ " yajl.x86_64 0:1.0.11-1.fc15 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgid "Configuring CMAN" #~ msgstr "Configurarea CMAN" #~ msgid "The first thing we need to do, is tell CMAN complete starting up even without quorum. We can do this by changing the quorum timeout setting:" #~ msgstr "Primul lucru pe care trebuie să îl facem este să îi spunem lui CMAN să încheie cu succes procedura de pornire chiar și fără quorum. Putem realiza acest lucru prin schimbarea setării de expirare a temporizatorului pentru quorum:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.sed \"s/.*CMAN_QUORUM_TIMEOUT=.*/CMAN_QUORUM_TIMEOUT=0/g\" /etc/sysconfig/cman\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.sed \"s/.*CMAN_QUORUM_TIMEOUT=.*/CMAN_QUORUM_TIMEOUT=0/g\" /etc/sysconfig/cman\n" #~ " " #~ msgid "Next we create a basic configuration file and place it in /etc/cluster/cluster.conf. The name used for each clusternode should correspond to that node's uname -n, just as Pacemaker expects. The nodeid can be any positive number but must be unique." #~ msgstr "În continuare creem un fișier de configurare de bază și îl punem în /etc/cluster/cluster.conf. Numele folosit pentru fiecare clusternode ar trebui să corespundă cu uname -n de pe nodul respectiv, exact așa cum se așteaptă și Pacemaker. nodeid poate fi orice număr pozitiv dar trebuie să fie unic." #~ msgid "Basic cluster.conf for a two-node cluster" #~ msgstr "Un cluster.conf de bază pentru un cluster format din două noduri" #~ msgid "" #~ "\n" #~ "\t\n" #~ "<?xml version=\"1.0\"?>\n" #~ "<cluster config_version=\"1\" name=\"my_cluster_name\">\n" #~ " <logging debug=\"off\"/>\n" #~ " <clusternodes>\n" #~ " <clusternode name=\"pcmk-1\" nodeid=\"1\"/>\n" #~ " <clusternode name=\"pcmk-2\" nodeid=\"2\"/>\n" #~ " </clusternodes>\n" #~ "</cluster>\n" #~ "\t\n" #~ "\t " #~ msgstr "" #~ "\n" #~ "\t\n" #~ "<?xml version=\"1.0\"?>\n" #~ "<cluster config_version=\"1\" name=\"my_cluster_name\">\n" #~ " <logging debug=\"off\"/>\n" #~ " <clusternodes>\n" #~ " <clusternode name=\"pcmk-1\" nodeid=\"1\"/>\n" #~ " <clusternode name=\"pcmk-2\" nodeid=\"2\"/>\n" #~ " </clusternodes>\n" #~ "</cluster>\n" #~ "\t\n" #~ "\t " #~ msgid "Configuring CMAN Fencing" #~ msgstr "Configurarea Evacuării Forțate în CMAN" #~ msgid "We configure the fence_pcmk agent (supplied with Pacemaker) to redirect any fencing requests from CMAN components (such as dlm_controld) to Pacemaker. Pacemaker's fencing subsystem lets other parts of the stack know that a node has been successfully fenced, thus avoiding the need for it to be fenced again when other subsystems notice the node is gone." #~ msgstr "Configurăm agentul fence_pcmk (furnizat împreună cu Pacemaker) pentru a redirecta orice cereri de evacuare forțată de la componentele CMAN (cum ar fi dlm_controld) către Pacemaker. Subsistemul de evacuare forțată al Pacemaker lasă alte părți ale stivei să știe că un nod a fost evacuat forțat cu succes, prin urmare evitând nevoia ca acesta să fie evacuat forțat din nou când alte subsisteme detectează că nodul a dispărut. " #~ msgid "Configuring real fencing devices in CMAN will result in nodes being fenced multiple times as different parts of the stack notice the node is missing or failed." #~ msgstr "Configurarea de dispozitive reale de evacuare forțată în CMAN va rezulta în evacuarea forțată de mai multe ori a nodurilor pe măsură ce părți diferite ale stivei detectează că un nod lipsește sau a eșuat." #~ msgid "The definition should be placed in the fencedevices section and contain:" #~ msgstr "Definiția ar trebui plasată în secțiunea fencedevices și ar trebui să conțină:" #~ msgid "" #~ "\n" #~ "\t\n" #~ " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" #~ "\t\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "\t\n" #~ " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" #~ "\t\n" #~ "\t" #~ msgid "Each clusternode must be configured to use this device by adding a fence method block that lists the node's name as the port." #~ msgstr "Fiecare clusternode trebuie să fie configurat să folosească acest dispozitiv prin adăugarea unui bloc cu metoda de evacuare forțată care listează numele acelui nod ca și port." #~ msgid "" #~ "\n" #~ "\t\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"node_name_here\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ "\t\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "\t\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"node_name_here\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ "\t\n" #~ "\t" #~ msgid "Putting everything together, we have:" #~ msgstr "Punând totul la un loc, avem:" #~ msgid "cluster.conf for a two-node cluster with fencing" #~ msgstr "cluster.conf pentru un cluster format din două noduri cu evacuare forțată" #~ msgid "" #~ "\n" #~ "\t\n" #~ "<?xml version=\"1.0\"?>\n" #~ "<cluster config_version=\"1\" name=\"mycluster\">\n" #~ " <logging debug=\"off\"/>\n" #~ " <clusternodes>\n" #~ " <clusternode name=\"pcmk-1\" nodeid=\"1\">\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"pcmk-1\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ " </clusternode>\n" #~ " <clusternode name=\"pcmk-2\" nodeid=\"2\">\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"pcmk-2\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ " </clusternode>\n" #~ " </clusternodes>\n" #~ " <fencedevices>\n" #~ " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" #~ " </fencedevices>\n" #~ "</cluster>\n" #~ "\t\n" #~ "\t " #~ msgstr "" #~ "\n" #~ "\t\n" #~ "<?xml version=\"1.0\"?>\n" #~ "<cluster config_version=\"1\" name=\"mycluster\">\n" #~ " <logging debug=\"off\"/>\n" #~ " <clusternodes>\n" #~ " <clusternode name=\"pcmk-1\" nodeid=\"1\">\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"pcmk-1\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ " </clusternode>\n" #~ " <clusternode name=\"pcmk-2\" nodeid=\"2\">\n" #~ " <fence>\n" #~ " <method name=\"pcmk-redirect\">\n" #~ " <device name=\"pcmk\" port=\"pcmk-2\"/>\n" #~ " </method>\n" #~ " </fence>\n" #~ " </clusternode>\n" #~ " </clusternodes>\n" #~ " <fencedevices>\n" #~ " <fencedevice name=\"pcmk\" agent=\"fence_pcmk\"/>\n" #~ " </fencedevices>\n" #~ "</cluster>\n" #~ "\t\n" #~ "\t " #~ msgid "Bringing the Cluster Online with CMAN" #~ msgstr "Aducerea Clusterului Online cu CMAN" #~ msgid "The first thing to do is check that the configuration is valid" #~ msgstr "Primul lucru care trebuie făcut este de a verifica dacă este validă configurația" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ccs_config_validate\n" #~ "Configuration validates\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ccs_config_validate\n" #~ "Configuration validates\n" #~ "\t" #~ msgid "Now start CMAN" #~ msgstr "Acum porniți CMAN" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# service cman start\n" #~ "Starting cluster: \n" #~ " Checking Network Manager... [ OK ]\n" #~ " Global setup... [ OK ]\n" #~ " Loading kernel modules... [ OK ]\n" #~ " Mounting configfs... [ OK ]\n" #~ " Starting cman... [ OK ]\n" #~ " Waiting for quorum... [ OK ]\n" #~ " Starting fenced... [ OK ]\n" #~ " Starting dlm_controld... [ OK ]\n" #~ " Starting gfs_controld... [ OK ]\n" #~ " Unfencing self... [ OK ]\n" #~ " Joining fence domain... [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon -1\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# service cman start\n" #~ "Starting cluster: \n" #~ " Checking Network Manager... [ OK ]\n" #~ " Global setup... [ OK ]\n" #~ " Loading kernel modules... [ OK ]\n" #~ " Mounting configfs... [ OK ]\n" #~ " Starting cman... [ OK ]\n" #~ " Waiting for quorum... [ OK ]\n" #~ " Starting fenced... [ OK ]\n" #~ " Starting dlm_controld... [ OK ]\n" #~ " Starting gfs_controld... [ OK ]\n" #~ " Unfencing self... [ OK ]\n" #~ " Joining fence domain... [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon -1\n" #~ "\t" #~ msgid "Once you have confirmed that the first node is happily online, start the second node." #~ msgstr "Odată ce ați confirmat că primul nod este fericit online, porniți al doilea nod." #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# service cman start\n" #~ "Starting cluster: \n" #~ " Checking Network Manager... [ OK ]\n" #~ " Global setup... [ OK ]\n" #~ " Loading kernel modules... [ OK ]\n" #~ " Mounting configfs... [ OK ]\n" #~ " Starting cman... [ OK ]\n" #~ " Waiting for quorum... [ OK ]\n" #~ " Starting fenced... [ OK ]\n" #~ " Starting dlm_controld... [ OK ]\n" #~ " Starting gfs_controld... [ OK ]\n" #~ " Unfencing self... [ OK ]\n" #~ " Joining fence domain... [ OK ]\n" #~ "[root@pcmk-1 ~]# cman_tool nodes\n" #~ "Node Sts Inc Joined Name\n" #~ " 1 M 548 2011-09-28 10:52:21 pcmk-1\n" #~ " 2 M 548 2011-09-28 10:52:21 pcmk-2\n" #~ "[root@pcmk-1 ~]# crm_mon -1\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# service cman start\n" #~ "Starting cluster: \n" #~ " Checking Network Manager... [ OK ]\n" #~ " Global setup... [ OK ]\n" #~ " Loading kernel modules... [ OK ]\n" #~ " Mounting configfs... [ OK ]\n" #~ " Starting cman... [ OK ]\n" #~ " Waiting for quorum... [ OK ]\n" #~ " Starting fenced... [ OK ]\n" #~ " Starting dlm_controld... [ OK ]\n" #~ " Starting gfs_controld... [ OK ]\n" #~ " Unfencing self... [ OK ]\n" #~ " Joining fence domain... [ OK ]\n" #~ "[root@pcmk-1 ~]# cman_tool nodes\n" #~ "Node Sts Inc Joined Name\n" #~ " 1 M 548 2011-09-28 10:52:21 pcmk-1\n" #~ " 2 M 548 2011-09-28 10:52:21 pcmk-2\n" #~ "[root@pcmk-1 ~]# crm_mon -1\n" #~ "\t" #~ msgid "You should now see both nodes online and services started." #~ msgstr "Ar trebui să vedeți acum ambele noduri online și serviciile pornite." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 15:18:06 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 15:18:06 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we just need to pick something unique and descriptive and since we haven’t specified a clustername yet, we will use the default (pcmk)." #~ msgstr "În cele din urmă, folosim -t pentru a specifica numele tabelei de blocare. Formatul acestui câmp este clustername:fsname. Pentru fsname, nu trebuie decât să alegem ceva unic și descriptiv și din moment ce nu am specificat un clustername încă, vom folosi valoarea implicită (pcmk)." #~ msgid "To specify an alternate name for the cluster, locate the service section containing \"name: pacemaker\" in corosync.conf and insert the following line anywhere inside the block:" #~ msgstr "Pentru a specifica un nume alternativ pentru cluster, localizați secțiunea service din corosync.conf care conține \"name: pacemaker\" și inserați următoarea linie oriunde înăuntrul acelui bloc." #~ msgid "clustername: myname" #~ msgstr "clustername: myname" #~ msgid "Do this on each node in the cluster and be sure to restart them before continuing." #~ msgstr "Realizați acest lucru pe fiecare nod din cluster și asigurați-vă că le-ați repornit înainte de a continua." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new GFS2\n" #~ "INFO: GFS2 shadow CIB created\n" #~ "crm(GFS2)# configure delete WebFS\n" #~ "crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new GFS2\n" #~ "INFO: GFS2 shadow CIB created\n" #~ "crm(GFS2)# configure delete WebFS\n" #~ "crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ msgid "Now that we’ve recreated the resource, we also need to recreate all the constraints that used it. This is because the shell will automatically remove any constraints that referenced WebFS." #~ msgstr "Acum că am creat resursa, trebuie să recreem și toate restricțiile care o foloseau. Acest lucru este datorită faptului că shell-ul va înlătura în mod automat orice restricție care referențiază WebFS.." #~ msgid "" #~ "\n" #~ "crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "crm(GFS2)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "crm(GFS2)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "crm(GFS2)# cib commit GFS2\n" #~ "INFO: commited 'GFS2' shadow CIB to the cluster\n" #~ "crm(GFS2)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "crm(GFS2)# cib commit GFS2\n" #~ "INFO: commited 'GFS2' shadow CIB to the cluster\n" #~ "crm(GFS2)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "[root@pcmk-1 ~]# cib new active\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "[root@pcmk-1 ~]# cib new active\n" #~ " " #~ msgid "Open the ClusterIP resource" #~ msgstr "Deschideți resursa ClusterIP" #~ msgid "[root@pcmk-1 ~]# configure edit  ClusterIP" #~ msgstr "[root@pcmk-1 ~]# configure edit  ClusterIP" #~ msgid "And add the following to the params line" #~ msgstr "Adăugați următoarele pe linia params" #~ msgid "clusterip_hash=\"sourceip\"" #~ msgstr "clusterip_hash=\"sourceip\"" #~ msgid "So that the complete definition looks like:" #~ msgstr "Astfel încât definiția completă să arate precum:" #~ msgid "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ " " #~ msgid "Here is the full transcript" #~ msgstr "Aici este transcrierea completă" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new active\n" #~ "INFO: active shadow CIB created\n" #~ "crm(active)# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebIP ClusterIP \\\n" #~ " meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: WebIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new active\n" #~ "INFO: active shadow CIB created\n" #~ "crm(active)# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebIP ClusterIP \\\n" #~ " meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: WebIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgid "Notice how any constraints that referenced ClusterIP have been updated to use WebIP instead. This is an additional benefit of using the crm shell." #~ msgstr "Vedeți câte restricții care referențiau ClusterIP au fost actualizate pentru a folosi WebIP în schimb. Acesta este un beneficiu adițional al folosirii shell-ului crm." #~ msgid "" #~ "\n" #~ "crm(active)# configure clone WebFSClone WebFS\n" #~ "crm(active)# configure clone WebSiteClone WebSite\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure clone WebFSClone WebFS\n" #~ "crm(active)# configure clone WebSiteClone WebSite\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(active)# configure edit WebDataClone\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure edit WebDataClone\n" #~ " " #~ msgid "Change master-max to 2" #~ msgstr "Schimbați master-max la 2" #~ msgid "" #~ "\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(active)# cib commit active\n" #~ "INFO: commited 'active' shadow CIB to the cluster\n" #~ "crm(active)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 21:37:27 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebIP\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebFSClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebSiteClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# cib commit active\n" #~ "INFO: commited 'active' shadow CIB to the cluster\n" #~ "crm(active)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 21:37:27 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebIP\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebFSClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebSiteClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Active-Passive.po000066400000000000000000001335121217637305600260320ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-22 23:24+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Creating an Active/Passive Cluster" msgstr "Crearea unui Cluster Activ/Pasiv" #. Tag: title #, no-c-format msgid "Exploring the Existing Configuration" msgstr "Explorarea Configurației Existente" #. Tag: para #, no-c-format msgid "When Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used." msgstr "Când Pacemaker pornește, înregistrează în mod automat numărul și detaliile nodurilor din cluster la fel ca și care stivă este folosită și care versiune de Pacemaker este folosită." #. Tag: para #, no-c-format msgid "This is what the base configuration should look like." msgstr "Așa ar trebui să arate configurația de bază." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:12:01 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "For those that are not of afraid of XML, you can see the raw cluster configuration and status by using the pcs cluster cib command." msgstr "Pentru cei care nu se tem de XML, puteți vedea configurația în stare brută adăugând \"xml\" la comanda anterioară." #. Tag: title #, no-c-format msgid "The last XML you’ll see in this document" msgstr "Ultimul XML pe care îl veți vedea în acest document." #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib epoch=\"4\" num_updates=\"19\" admin_epoch=\"0\" validate-with=\"pacemaker-1.2\" crm_feature_set=\"3.0.6\" update-origin=\"pcmk-1\" update-client=\"crmd\" cib-last-written=\"Wed Aug 1 16:08:52 2012\" have-quorum=\"1\" dc-uuid=\"1\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" uname=\"pcmk-1\" type=\"normal\"/>\n" " <node id=\"2\" uname=\"pcmk-2\" type=\"normal\"/>\n" " </nodes>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status>\n" " <node_state id=\"2\" uname=\"pcmk-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"2\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"2\">\n" " <instance_attributes id=\"status-2\">\n" " <nvpair id=\"status-2-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " <node_state id=\"1\" uname=\"pcmk-1\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"1\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"1\">\n" " <instance_attributes id=\"status-1\">\n" " <nvpair id=\"status-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " </status>\n" "</cib>" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Before we make any changes, its a good idea to check the validity of the configuration." msgstr "Înainte de a realiza orice modificări, este o idee bună să verificați validitatea configurației." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_verify -L -V\n" " error: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" " error: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" " error: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" " -V may provide more details" msgstr "" "\n" "[root@pcmk-1 ~]# crm_verify -L\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" "  -V may provide more details\n" "[root@pcmk-1 ~]#\n" #. Tag: para #, no-c-format msgid "As you can see, the tool has found some errors." msgstr "După cum puteți vedea, utilitarul a găsit câteva erori." #. Tag: para #, fuzzy, no-c-format msgid "In order to guarantee the safety of your data If the data is corrupt, there is little point in continuing to make it available , the default for STONITH A common node fencing mechanism. Used to ensure data integrity by powering off \"bad\" nodes in Pacemaker is enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose)." msgstr "Pentru a garanta siguranța datelor voastre Dacă datele sunt corupte, nu are sens să continuăm să le facem disponibile , Pacemaker este livrat cu STONITH Un mecanism comun de evacuare forțată a nodului. Folosit pentru a asigura integritatea datelor prin închiderea nodurilor \"rele\". activat. Oricum acesta știe de asemenea când nici o configurație STONITH nu a fost furnizată și raportează acest lucru ca pe o problemă (din moment ce clusterul nu ar fi capabil să realizeze progrese dacă ar fi apărut o situație care ar fi necesitat evacuarea forțată a nodului)." #. Tag: para #, no-c-format msgid "For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled." msgstr "Momentan, vom dezactiva această funcționalitate și o vom configura mai târziu în secțiunea Configurarea STONITH. Este important de reținut că utilizarea STONITH este puternic încurajată, oprirea acestuia îi spune clusterului să se prefacă pur și simplu că nodurile care au eșuat sunt oprite în siguranță. Unii comercianți vor refuza chiar să ofere suport pentru clustere care îl au dezactivat." #. Tag: para #, fuzzy, no-c-format msgid "To disable STONITH, we set the stonith-enabled cluster option to false." msgstr "Pentru a dezactiva STONITH, setăm opțiunea clusterului stonith-enabled pe false." #. Tag: programlisting #, no-c-format msgid "" "# pcs property set stonith-enabled=false\n" "# crm_verify -L" msgstr "" #. Tag: para #, no-c-format msgid "With the new cluster option set, the configuration is now valid." msgstr "Cu noua opțiune a clusterului setată, configurația este acum validă." #. Tag: para #, fuzzy, no-c-format msgid "The use of stonith-enabled=false is completely inappropriate for a production cluster. We use it here to defer the discussion of its configuration which can differ widely from one installation to the next. See for information on why STONITH is important and details on how to configure it." msgstr "Utilizarea stonith-enabled=false este complet nepotrivită pentru un cluster de producție. O folosim aici pentru a face referință la configurarea acestuia care poate fi foarte diferită de la o instalare la alta. Vedeți pentru informații despre de ce este important STONITH și detalii despre cum să îl configurați." #. Tag: title #, no-c-format msgid "Adding a Resource" msgstr "Adăugarea unei Resurse" #. Tag: para #, fuzzy, no-c-format msgid "The first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.120 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds." msgstr "Primul lucru pe care ar trebui să îl facem este să configurăm o adresă IP. Indiferent de unde rulează serviciul/serviciile de cluster, avem nevoie de o adresa consistentă pe care să le contactăm. Aici voi alege și adăuga 192.168.122.101 ca adresa virtuală, îi vom da numele plin de imaginație ClusterIP și vom spune clusterului să verifice că aceasta rulează la fiecare 30 de secunde." #. Tag: para #, no-c-format msgid "The chosen address must not be one already associated with a physical node" msgstr "Adresa aleasă nu trebuie să fie una deja asociată cu un nod fizic" #. Tag: screen #, fuzzy, no-c-format msgid "" "# pcs resource create ClusterIP ocf:heartbeat:IPaddr2 \\\n" " ip=192.168.0.120 cidr_netmask=32 op monitor interval=30s" msgstr "" "\n" "crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" "        params ip=192.168.122.101 cidr_netmask=32 \\ \n" "        op monitor interval=30s\n" #. Tag: para #, no-c-format msgid "The other important piece of information here is ocf:heartbeat:IPaddr2." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script." msgstr "Cealaltă parte importantă de informație de aici este ocf:heartbeat:IPaddr2. Aceasta îi spune Pacemaker-ului trei lucruri despre resursa pe care doriți să o adăugați. Primul câmp, ocf, este standardul la care aderă scriptul resursei și unde să-l găsiți. Al doilea câmp este specific resurselor OCF și spune clusterului în care namespace să găsească scriptul de resursă, în acest caz heartbeat. Ultimul câmp indică numele scriptului de resursă." #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available resource standards (the ocf part of ocf:heartbeat:IPaddr2), run" msgstr "Pentru a obține o listă a claselor de resurse disponibile, rulați" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource standards\n" "ocf\n" "lsb\n" "service\n" "systemd\n" "stonith" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available ocf resource providers (the heartbeat part of ocf:heartbeat:IPaddr2), run" msgstr "Pentru a obține o listă a claselor de resurse disponibile, rulați" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource providers\n" "heartbeat\n" "linbit\n" "pacemaker\n" "redhat" msgstr "" #. Tag: para #, no-c-format msgid "Finally, if you want to see all the resource agents available for a specific ocf provider (the IPaddr2 part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource agents ocf:heartbeat\n" "AoEtarget\n" "AudibleAlarm\n" "CTDB\n" "ClusterMon\n" "Delay\n" "Dummy\n" ".\n" ". (skipping lots of resources to save space)\n" ".\n" "IPaddr2\n" ".\n" ".\n" ".\n" "symlink\n" "syslog-ng\n" "tomcat\n" "vmware" msgstr "" #. Tag: para #, no-c-format msgid "Now verify that the IP resource has been added and display the cluster’s status to see that it is now active." msgstr "Acum verificați că resursa IP a fost adăugată și listați status-ul clusterului pentru a vedea că acum este activă." #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:17:00 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Perform a Failover" msgstr "Efectuați un Failover" #. Tag: para #, no-c-format msgid "Being a high-availability cluster, we should test failover of our new resource before moving on." msgstr "Fiind un cluster de tip high-availability, ar trebui să testăm failover-ul noii noastre resurse înainte de a merge mai departe." #. Tag: para #, no-c-format msgid "First, find the node on which the IP address is running." msgstr "Întâi, găsiți nodul pe care rulează adresa IP." #. Tag: para #, no-c-format msgid "Shut down Pacemaker and Corosync on that machine." msgstr "Opriți Pacemaker și Corosync pe acea mașină." #. Tag: programlisting #, no-c-format msgid "" "#pcs cluster stop pcmk-1\n" "Stopping Cluster..." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once Corosync is no longer running, go to the other node and check the cluster status." msgstr "Odată ce Corosync nu mai rulează, mergeți pe celălalt nod și verificați status-ul clusterului cu crm_mon." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:31:01 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Stopped" msgstr "" "\n" "[root@pcmk-2 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 15:30:18 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition WITHOUT quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "1 Resources configured.\n" "============\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2\n" #. Tag: para #, fuzzy, no-c-format msgid "There are three things to notice about the cluster’s current state. The first is that, as expected, pcmk-1 is now offline. However we can also see that ClusterIP isn’t running anywhere!" msgstr "Sunt trei aspecte de ținut cont în legătură cu starea curentă a clusterului. Primul este acela că, așa cum ne așteptam, pcmk-1 este acum offline. Totodată putem vedea că, ClusterIP nu rulează nicăieri!" #. Tag: title #, no-c-format msgid "Quorum and Two-Node Clusters" msgstr "Quorum și Clusterele Formate din Două Noduri" #. Tag: para #, fuzzy, no-c-format msgid "This is because the cluster no longer has quorum, as can be seen by the text \"partition WITHOUT quorum\" in the status output. In order to reduce the possibility of data corruption, Pacemaker’s default behavior is to stop all resources if the cluster does not have quorum." msgstr "Acest lucru este datorită faptului că, clusterul nu mai are quorum, după cum poate fi observat din textul \"partition WITHOUT quorum\" (ieșind în evidență în verde) în rezultatul de ieșire de mai sus. Pentru a reduce posibilitatea coruperii datelor, comportamentul implicit al Pacemaker-ului este să oprească toate resursele dacă clusterul nu are quorum." #. Tag: para #, no-c-format msgid "A cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true:" msgstr "Un cluster este considerat că are quorum când mai mult de jumătate din nodurile cunoscute sau așteptate sunt online, sau pentru cei cu înclinație către matematică, în orice moment în care ecuația următoare este adevărată:" #. Tag: literallayout #, no-c-format msgid "total_nodes < 2 * active_nodes" msgstr "numărul_total_de_noduri < 2 * numărul_de_noduri_active" #. Tag: para #, fuzzy, no-c-format msgid "Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless Actually some would argue that two-node clusters are always pointless, but that is an argument for another time , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether." msgstr "Prin urmare un cluster format din două noduri are quorum numai când ambele noduri rulează, ceea ce nu mai este cazul pentru clusterul nostru. Acest lucru ar face în mod normal crearea de clustere formate din două noduri lipsită de sens De altfel, unii ar argumenta că clusterele formate din două noduri sunt întotdeauna lipsite de sens, dar acela este un argument pentru o dată ulterioară. , totuși este posibil să controlăm cum se comportă Pacemaker când quorum-ul este pierdut. În mod particular, putem spune clusterului să ignore pur și simplu quorum-ul în întregime." #. Tag: programlisting #, no-c-format msgid "" "# pcs property set no-quorum-policy=ignore\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "stonith-enabled: false\n" "no-quorum-policy: ignore" msgstr "" #. Tag: para #, no-c-format msgid "After a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum." msgstr "După câteva momente, clusterul va porni adresa IP pe nodul rămas. Luați aminte, clusterul încă nu are quorum." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:38:11 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" "\n" "[root@pcmk-2 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 15:30:18 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition WITHOUT quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "1 Resources configured.\n" "============\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2\n" #. Tag: para #, no-c-format msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status. Note, if you get an authentication error with the pcs cluster start pcmk-1 command, you must authenticate on the node using the pcs cluster auth pcmk pcmk-1 pcmk-2 command discussed earlier." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start pcmk-1\n" "Starting Cluster...\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:42:56 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "In the dark days, the cluster may have moved the IP back to its original location (pcmk-1). Usually this is no longer the case." msgstr "" #. Tag: title #, no-c-format msgid "Prevent Resources from Moving after Recovery" msgstr "Prevenirea Mutării Resurselor după Recuperare" #. Tag: para #, fuzzy, no-c-format msgid "In most circumstances, it is highly desirable to prevent healthy resources from being moved around the cluster. Moving resources almost always requires a period of downtime. For complex services like Oracle databases, this period can be quite long." msgstr "În anumite circumstanțe, este foarte de dorit să se prevină ca resursele sănătoase din a fi mutate prin cluster. Mutarea resurselor necesită aproape întotdeauna o perioadă de nefuncționare. Pentru servicii complexe precum bazele de date Oracle, această perioadă poate fi destul de lungă." #. Tag: para #, fuzzy, no-c-format msgid "To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the \"cost\" of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve \"optimal\" It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes creates implicit preferences in situations where the administrator has not explicitly specified them resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default." msgstr "Pentru a adresa acest aspect, Pacemaker are conceptul de adezivitate a resursei care controleaza cât de mult preferă un serviciu să rămână funcțional acolo unde este. Vă puteți gândi la acest aspect ca fiind \"costul\" nefuncționării. În mod implicit, Pacemaker presupune că este un cost zero asociat cu mutarea resurselor și va face acest lucru pentru a atinge plasamentul \"optim Ar trebui să fie notat faptul că definiția Pacemaker-ului pentru optim ar putea să nu fie de acord întotdeauna cu cea a unui om. Ordinea în care Pacemaker procesează listele de resurse și noduri creează preferințe implicite în situații unde administratorul nu le-a specificat în mod explicit. \" al resurselor. Putem specifica o adezivitate diferită pentru fiecare resursă, dar este adeseori suficient să schimbați valoarea implicită." #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults resource-stickiness=100\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show xml\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<cib admin_epoch=\"0\" crm_feature_set=\"3.0.1\" dc-uuid=\"pcmk-1\" epoch=\"13\" have-quorum=\"1\" num_updates=\"7\" validate-with=\"pacemaker-1.0\">\n" #~ "  <configuration>\n" #~ "    <crm_config>\n" #~ "      <cluster_property_set id=\"cib-bootstrap-options\">\n" #~ "        <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"openais\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-expected-quorum-votes\" name=\"expected-quorum-votes\" value=\"2\"/>\n" #~ "      </cluster_property_set>\n" #~ "    </crm_config>\n" #~ "    <rsc_defaults/>\n" #~ "    <op_defaults/>\n" #~ "    <nodes>\n" #~ "      <node id=\"pcmk-1\" type=\"normal\" uname=\"pcmk-1\"/>\n" #~ "      <node id=\"pcmk-2\" type=\"normal\" uname=\"pcmk-2\"/>\n" #~ "    </nodes>\n" #~ "    <resources/>\n" #~ "    <constraints/>\n" #~ "  </configuration>\n" #~ "</cib>\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show xml\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<cib admin_epoch=\"0\" crm_feature_set=\"3.0.1\" dc-uuid=\"pcmk-1\" epoch=\"13\" have-quorum=\"1\" num_updates=\"7\" validate-with=\"pacemaker-1.0\">\n" #~ "  <configuration>\n" #~ "    <crm_config>\n" #~ "      <cluster_property_set id=\"cib-bootstrap-options\">\n" #~ "        <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"openais\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-expected-quorum-votes\" name=\"expected-quorum-votes\" value=\"2\"/>\n" #~ "      </cluster_property_set>\n" #~ "    </crm_config>\n" #~ "    <rsc_defaults/>\n" #~ "    <op_defaults/>\n" #~ "    <nodes>\n" #~ "      <node id=\"pcmk-1\" type=\"normal\" uname=\"pcmk-1\"/>\n" #~ "      <node id=\"pcmk-2\" type=\"normal\" uname=\"pcmk-2\"/>\n" #~ "    </nodes>\n" #~ "    <resources/>\n" #~ "    <constraints/>\n" #~ "  </configuration>\n" #~ "</cib>\n" #~ msgid "crm configure property stonith-enabled=false" #~ msgstr "crm configure property stonith-enabled=false" #~ msgid "crm_verify -L" #~ msgstr "crm_verify -L" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra classes\n" #~ "heartbeat\n" #~ "lsb\n" #~ "ocf / heartbeat pacemaker\n" #~ "stonith\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra classes\n" #~ "heartbeat\n" #~ "lsb\n" #~ "ocf / heartbeat pacemaker\n" #~ "stonith\n" #~ msgid "To then find all the OCF resource agents provided by Pacemaker and Heartbeat, run" #~ msgstr "Pentru a găsi mai apoi toți agenții de resursă OCF furnizați de Pacemaker și Heartbeat, rulați" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra list ocf pacemaker\n" #~ "ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld\n" #~ "ping           pingd          \n" #~ "[root@pcmk-1 ~]# crm ra list ocf heartbeat\n" #~ "AoEtarget              AudibleAlarm           ClusterMon             Delay\n" #~ "Dummy                  EvmsSCC                Evmsd                  Filesystem\n" #~ "ICP                    IPaddr                 IPaddr2                IPsrcaddr\n" #~ "LVM                    LinuxSCSI              MailTo                 ManageRAID\n" #~ "ManageVE               Pure-FTPd              Raid1                  Route\n" #~ "SAPDatabase            SAPInstance            SendArp                ServeRAID\n" #~ "SphinxSearchDaemon     Squid                  Stateful               SysInfo\n" #~ "VIPArip                VirtualDomain          WAS                    WAS6\n" #~ "WinPopup               Xen                    Xinetd                 anything\n" #~ "apache                 db2                    drbd                   eDir88\n" #~ "iSCSILogicalUnit       iSCSITarget            ids                    iscsi\n" #~ "ldirectord             mysql                  mysql-proxy            nfsserver\n" #~ "oracle                 oralsnr                pgsql                  pingd\n" #~ "portblock              rsyncd                 scsi2reservation       sfex\n" #~ "tomcat                 vmware                 \n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra list ocf pacemaker\n" #~ "ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld\n" #~ "ping           pingd          \n" #~ "[root@pcmk-1 ~]# crm ra list ocf heartbeat\n" #~ "AoEtarget              AudibleAlarm           ClusterMon             Delay\n" #~ "Dummy                  EvmsSCC                Evmsd                  Filesystem\n" #~ "ICP                    IPaddr                 IPaddr2                IPsrcaddr\n" #~ "LVM                    LinuxSCSI              MailTo                 ManageRAID\n" #~ "ManageVE               Pure-FTPd              Raid1                  Route\n" #~ "SAPDatabase            SAPInstance            SendArp                ServeRAID\n" #~ "SphinxSearchDaemon     Squid                  Stateful               SysInfo\n" #~ "VIPArip                VirtualDomain          WAS                    WAS6\n" #~ "WinPopup               Xen                    Xinetd                 anything\n" #~ "apache                 db2                    drbd                   eDir88\n" #~ "iSCSILogicalUnit       iSCSITarget            ids                    iscsi\n" #~ "ldirectord             mysql                  mysql-proxy            nfsserver\n" #~ "oracle                 oralsnr                pgsql                  pingd\n" #~ "portblock              rsyncd                 scsi2reservation       sfex\n" #~ "tomcat                 vmware                 \n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ " params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ " op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:23:48 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ " params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ " op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:23:48 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource status ClusterIP\n" #~ "resource ClusterIP is running on: pcmk-1\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource status ClusterIP\n" #~ "resource ClusterIP is running on: pcmk-1\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/pacemaker stop\n" #~ "Signaling Pacemaker Cluster Manager to terminate: [ OK ]\n" #~ "Waiting for cluster services to unload:. [ OK ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync): [ OK ]\n" #~ "Waiting for services to unload: [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/pacemaker stop\n" #~ "Signaling Pacemaker Cluster Manager to terminate: [ OK ]\n" #~ "Waiting for cluster services to unload:. [ OK ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync): [ OK ]\n" #~ "Waiting for services to unload: [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:27:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:27:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore\n" #~ "[root@pcmk-1 ~]# crm configure show \n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore\n" #~ "[root@pcmk-1 ~]# crm configure show \n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status." #~ msgstr "Acum simulați recuperarea nodului restartând stiva de cluster pe pcmk-1 și verificați status-ul clusterului." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ] \n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:32:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ] \n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:32:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgid "Here we see something that some may consider surprising, the IP is back running at its original location!" #~ msgstr "Aici putem vedea ceva ce unii ar putea considera surprinzător, IP-ul rulează înapoi pe locația sa originală!" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure rsc_defaults resource-stickiness=100\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ " resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure rsc_defaults resource-stickiness=100\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ " resource-stickiness=\"100\"\n" #~ msgid "If we now retry the failover test, we see that as expected ClusterIP still moves to pcmk-2 when pcmk-1 is taken offline." #~ msgstr "Dacă încercăm din nou acum testul de failover, vedem că așa cum este de așteptat ClusterIP se mută în continuare pe pcmk-2 când pcmk-1 este trecut offline." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/pacemaker stop\n" #~ "Signaling Pacemaker Cluster Manager to terminate: [ OK ]\n" #~ "Waiting for cluster services to unload:. [ OK ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync):               [  OK  ]\n" #~ "Waiting for services to unload:                            [  OK  ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:39:38 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/pacemaker stop\n" #~ "Signaling Pacemaker Cluster Manager to terminate: [ OK ]\n" #~ "Waiting for cluster services to unload:. [ OK ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync):               [  OK  ]\n" #~ "Waiting for services to unload:                            [  OK  ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:39:38 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgid "However when we bring pcmk-1 back online, ClusterIP now remains running on pcmk-2." #~ msgstr "Însă când aducem pcmk-1 înapoi online, ClusterIP acum rămâne în funcționare pe pcmk-2." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:41:23 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:41:23 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Apache.po000066400000000000000000001636111217637305600243730ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-24 00:51+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Apache - Adding More Services" msgstr "Apache - Adăugarea mai Multor Servicii" #. Tag: title #, no-c-format msgid "Forward" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now that we have a basic but functional active/passive two-node cluster, we’re ready to add some real services. We’re going to start with Apache because its a feature of many clusters and relatively simple to configure." msgstr "Acum că avem un cluster de bază, funcțional, activ/pasiv format din două noduri, suntem pregătiți să adăugăm câteva servicii reale. O să începem cu Apache deoarece este o caracteristică a multor clustere și este relativ simplu de configurat." #. Tag: title #, no-c-format msgid "Installation" msgstr "Instalare" #. Tag: para #, fuzzy, no-c-format msgid "Before continuing, we need to make sure Apache is installed on both hosts. We also need the wget tool in order for the cluster to be able to check the status of the Apache server." msgstr "De asemenea, avem nevoie de utilitarul wget pentru ca și clusterul să fie capabil să verifice status-ul serverului Apache." #. Tag: programlisting #, no-c-format msgid "# yum install -y httpd wget" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "fedora/metalink | 2.6 kB 00:00\n" "updates/metalink | 3.2 kB 00:00\n" "updates-testing/metalink | 41 kB 00:00\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package httpd.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Processing Dependency: httpd-tools = 2.2.22-3.fc17 for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Running transaction check\n" "---> Package apr.x86_64 0:1.4.6-1.fc17 will be installed\n" "---> Package apr-util.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package apr-util-ldap.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package httpd-tools.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " httpd x86_64 2.2.22-3.fc17 updates-testing 823 k\n" " wget x86_64 1.13.4-2.fc17 fedora 495 k\n" "Installing for dependencies:\n" " apr x86_64 1.4.6-1.fc17 fedora 99 k\n" " apr-util x86_64 1.4.1-2.fc17 fedora 78 k\n" " apr-util-ldap x86_64 1.4.1-2.fc17 fedora 17 k\n" " httpd-tools x86_64 2.2.22-3.fc17 updates-testing 74 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 1 Package (+4 Dependent packages)\n" "\n" "Total download size: 1.1 M\n" "Installed size: 3.5 M\n" "Downloading Packages:\n" "(1/6): apr-1.4.6-1.fc17.x86_64.rpm | 99 kB 00:00\n" "(2/6): apr-util-1.4.1-2.fc17.x86_64.rpm | 78 kB 00:00\n" "(3/6): apr-util-ldap-1.4.1-2.fc17.x86_64.rpm | 17 kB 00:00\n" "(4/6): httpd-2.2.22-3.fc17.x86_64.rpm | 823 kB 00:01\n" "(5/6): httpd-tools-2.2.22-3.fc17.x86_64.rpm | 74 kB 00:00\n" "(6/6): wget-1.13.4-2.fc17.x86_64.rpm | 495 kB 00:01\n" "-------------------------------------------------------------------------------------\n" "Total 238 kB/s | 1.1 MB 00:04\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : apr-1.4.6-1.fc17.x86_64 1/6\n" " Installing : apr-util-1.4.1-2.fc17.x86_64 2/6\n" " Installing : apr-util-ldap-1.4.1-2.fc17.x86_64 3/6\n" " Installing : httpd-tools-2.2.22-3.fc17.x86_64 4/6\n" " Installing : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Installing : wget-1.13.4-2.fc17.x86_64 6/6\n" " Verifying : apr-util-ldap-1.4.1-2.fc17.x86_64 1/6\n" " Verifying : httpd-tools-2.2.22-3.fc17.x86_64 2/6\n" " Verifying : apr-util-1.4.1-2.fc17.x86_64 3/6\n" " Verifying : apr-1.4.6-1.fc17.x86_64 4/6\n" " Verifying : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Verifying : wget-1.13.4-2.fc17.x86_64 6/6\n" "\n" "Installed:\n" " httpd.x86_64 0:2.2.22-3.fc17 wget.x86_64 0:1.13.4-2.fc17\n" "\n" "Dependency Installed:\n" " apr.x86_64 0:1.4.6-1.fc17 apr-util.x86_64 0:1.4.1-2.fc17\n" " apr-util-ldap.x86_64 0:1.4.1-2.fc17 httpd-tools.x86_64 0:2.2.22-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Pregătire" #. Tag: para #, no-c-format msgid "First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we’ll create an index file there." msgstr "Mai întâi trebuie să creem o pagină pe care Apache să o servească. Pe Fedora docroot-ul implicit al Apache-ului este în /var/www/html, așa că vom crea un fișier index acolo." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" "END" msgstr "" "\n" "[root@pcmk-1 ~]# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" " END\n" "[root@pcmk-1 ~]#\n" #. Tag: para #, no-c-format msgid "For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2." msgstr "Pentru moment, vom simplifica lucrurile servind doar un site static și vom sincroniza manual datele între cele două noduri. Așa că rulați comanda din nou pe pcmk-2." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END" msgstr "" "\n" "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END\n" "[root@pcmk-2 ~]#\n" #. Tag: title #, no-c-format msgid "Enable the Apache status URL" msgstr "Activați status URL-ul Apache-ului" #. Tag: para #, fuzzy, no-c-format msgid "In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in /etc/httpd/conf/httpd.conf and make sure it is not disabled or commented out:" msgstr "Pentru a monitoriza sănătatea instanței voastre de Apache și pentru a o recupera dacă eșuează, agentul de resursă folosit de Pacemaker presupune că URL-ul server-status este disponibil. Uitați-vă după următoarele în /etc/httpd/conf/httpd.conf și asigurați-vă că nu este dezactivat sau comentat." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>" msgstr "" "\n" "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>\n" "\t " #. Tag: title #, no-c-format msgid "Update the Configuration" msgstr "Actualizarea Configurației" #. Tag: para #, fuzzy, no-c-format msgid "At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2 , the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running." msgstr "La acest punct, Apache este gata de pornire, tot ce trebuie făcut este să îl adăugăm la cluster. Să denumim resursa WebSite. Avem nevoie să folosim un script OCF numit apache din namespace-ul Comparați cheia folosită aici, ocf:heartbeart:apache, cu cea folosită anterior pentru adresa IP: ocf:heartbeat:IPaddr2 heartbeat, singurul parametru necesar este calea către fișierul principal de configurare al Apache și vom spune clusterului să verifice o dată pe minut că apache încă funcționează." #. Tag: screen #, no-c-format msgid "" "pcs resource create WebSite ocf:heartbeat:apache \\\n" " configfile=/etc/httpd/conf/httpd.conf \\\n" " statusurl=\"http://localhost/server-status\" op monitor interval=1min" msgstr "" #. Tag: para #, no-c-format msgid "By default, the operation timeout for all resource’s start, stop, and monitor operations is 20 seconds. In many cases this timeout period is less than the advised timeout period. For the purposes of this tutorial, we will adjust the global operation timeout default to 240 seconds." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource op defaults timeout=240s\n" "# pcs resource op defaults\n" "timeout: 240s" msgstr "" #. Tag: para #, no-c-format msgid "After a short delay, we should see the cluster start apache" msgstr "După o scurtă întârziere, ar trebui să vedem clusterul pornind apache-ul" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:51:27 2012\n" "Last change: Fri Sep 14 10:50:46 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 16:12:49 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "2 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #. Tag: para #, no-c-format msgid "Wait a moment, the WebSite resource isn’t running on the same host as our IP address!" msgstr "Așteptați un moment, resursa WebSite nu rulează pe aceeași gazdă ca și adresa noastră IP!" #. Tag: para #, no-c-format msgid "If, in the pcs status output, you see the WebSite resource has failed to start, then you’ve likely not enabled the status URL correctly. You can check if this is the problem by running:" msgstr "" #. Tag: literallayout #, no-c-format msgid "wget http://127.0.0.1/server-status" msgstr "" #. Tag: para #, no-c-format msgid "If you see Connection refused in the output, then this is indeed the problem. Check to ensure that Allow from 127.0.0.1 is present for the <Location /server-status> block." msgstr "" #. Tag: title #, no-c-format msgid "Ensuring Resources Run on the Same Host" msgstr "Asigurarea că Resursele Rulează pe Aceeași Gazdă" #. Tag: para #, no-c-format msgid "To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on." msgstr "Pentru a reduce nivelul de încărcare pe oricare din mașini, Pacemaker va încerca în mod general să împrăștie resursele configurate de-a lungul nodurilor din cluster. Totuși putem spune clusterului că două resurse au legătura una cu cealaltă și trebuie să ruleze pe aceeași gazdă (sau să nu ruleze deloc). Aici instruim clusterul că WebSite poate rula numar pe o gazdă pe care este activ ClusterIP." #. Tag: para #, no-c-format msgid "To achieve this we use a colocation constraint that indicates it is mandatory for WebSite to run on the same node as ClusterIP. The \"mandatory\" part of the colocation constraint is indicated by using a score of INFINITY. The INFINITY score also means that if ClusterIP is not active anywhere, WebSite will not be permitted to run." msgstr "" #. Tag: para #, no-c-format msgid "If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere." msgstr "Dacă ClusterIP nu este activ nicăieri, lui WebSite nu i se va permite să ruleze nicăieri." #. Tag: para #, fuzzy, no-c-format msgid "Colocation constraints are \"directional\", in that they imply certain things about the order in which the two resources will have a location chosen. In this case we’re saying WebSite needs to be placed on the same machine as ClusterIP, this implies that we must know the location of ClusterIP before choosing a location for WebSite." msgstr "Restricțiile de colocare sunt \"direcționale\", în sensul că implică anumite lucruri despre ordinea în care celor două resurse li se va alege o locație. În acest caz spunem că WebSite are nevoie să fie plasat pe aceeași mașină ca și ClusterIP, acest lucru implică faptul că noi trebuie să știm locația lui ClusterIP înainte de a alege o locație pentru WebSite." #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint colocation add WebSite ClusterIP INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:00:44 2012\n" "Last change: Fri Sep 14 11:00:25 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: title #, no-c-format msgid "Controlling Resource Start/Stop Ordering" msgstr "Controlarea Ordinii de Pornire/Oprire a Resursei" #. Tag: para #, fuzzy, no-c-format msgid "When Apache starts, it binds to the available IP addresses. It doesn’t know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint." msgstr "Când pornește Apache, se atașează de adresa IP disponibilă. Nu știe de alte adrese pe care le adăugăm ulterior, așa nu trebuie doar să ruleze pe același nod, dar trebuie să ne asigurăm că ClusterIP este activ deja înainte să pornim WebSite. Realizăm acest lucru prin adăugarea unei restricții de ordonare. Trebuie să îi dăm un nume (alegeți ceva descriptiv precum apache-after-ip), să indicăm faptul că este obligatorie (astfel încât orice recuperare a ClusterIP va declanșa recuperarea WebSite-ului) și să listăm cele două resurse în ordinea în care avem nevoie să le pornim." #. Tag: para #, no-c-format msgid "By default all order constraints are mandatory constraints unless otherwise configured. This means that the recovery of ClusterIP will also trigger the recovery of WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint order ClusterIP then WebSite\n" "Adding ClusterIP WebSite (kind: Mandatory) (Options: first-action=start then-action=start)\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: title #, no-c-format msgid "Specifying a Preferred Location" msgstr "Specificarea unei Locații Preferate" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint." msgstr "Pacemaker nu se bazează pe nici un fel de simetrie hardware între noduri, așa că ar putea foarte bine ca o mașină să fie mai puternică decât cealaltă. În astfel de cazuri are logică să găzduim resursele acolo dacă este disponibilă. Pentru a face acest lucru creăm o restricție de locație. Din nou îi dăm un nume descriptiv (prefer-pcmk-1), specificăm resursa pe care vrem să o rulăm acolo (WebSite), cât de mult am dori ca aceasta să ruleze acolo (vom folosi 50 momentan, dar într-o situație cu două noduri aproape orice valoare mai mare ca 0 este suficientă) și numele gazdei." #. Tag: para #, no-c-format msgid "In the location constraint below, we are saying the WebSite resource prefers the node pcmk-1 with a score of 50. The score here indicates how badly we’d like the resource to run somewhere." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=50\n" "# pcs constraint\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:50)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "Last updated: Fri Sep 14 11:06:37 2012\n" "Last change: Fri Sep 14 11:06:26 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Wait a minute, the resources are still on pcmk-2!" msgstr "Așteptați o clipă, resursele sunt încă pe pcmk-2!" #. Tag: para #, no-c-format msgid "Even though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime)." msgstr "Chiar dacă acum preferăm pcmk-1 în favoarea pcmk-2, această preferință este (în mod intenționat) mai mică decât adezivitatea resursei (cât de mult am preferat să nu avem nefuncționare inutilă)." #. Tag: para #, fuzzy, no-c-format msgid "To see the current placement scores, you can use a tool called crm_simulate" msgstr "Pentru a vedea scorurile curente de plasament, puteți folosi un utilitar numit ptest" #. Tag: programlisting #, no-c-format msgid "" "# crm_simulate -sL\n" "Current cluster status:\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" " ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf:heartbeat:apache): Started pcmk-2\n" "\n" "Allocation scores:\n" "native_color: ClusterIP allocation score on pcmk-1: 50\n" "native_color: ClusterIP allocation score on pcmk-2: 200\n" "native_color: WebSite allocation score on pcmk-1: -INFINITY\n" "native_color: WebSite allocation score on pcmk-2: 100\n" "\n" "Transition Summary:" msgstr "" #. Tag: title #, no-c-format msgid "Manually Moving Resources Around the Cluster" msgstr "Mutarea Manuală a Resurselor Prin Jurul Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "There are always times when an administrator needs to override the cluster and force resources to move to a specific location. By updating our previous location constraint with a score of INFINITY, WebSite will be forced to move to pcmk-1." msgstr "Sunt întotdeauna momente când un administrator are nevoie să preia controlul clusterului și să forțeze resursele să se mute într-o locație specifică. Dedesupt folosim restricții de locație precum cea pe care am creat-o mai sus, dar în mod fericit nu trebuie să vă pese. Doar furnizați numele resursei și locația dorită, iar noi vom face restul." #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=INFINITY\n" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:16:26 2012\n" "Last change: Fri Sep 14 11:16:18 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Giving Control Back to the Cluster" msgstr "Returnarea Controlului Înapoi Clusterului" #. Tag: para #, no-c-format msgid "Once we’ve finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1." msgstr "Odată ce am terminat oricare activitate ce ne-a cerut să mutăm resursele pe pcmk-1, în cazul nostru nimic, putem mai apoi să permitem clusterului să reia operațiunile normale prin comanda unmove. Din moment ce am configurat anterior o adezivitate implicită, resursele vor rămâne pe pcmk-1." #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs constraint rm location-WebSite-pcmk-1-INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Note that the constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1." msgstr "Observați că restricția automată acum nu mai există. Dacă verificăm status-ul clusterului, putem vedea că așa cum ne așteptam resursele sunt în continuare active pe pcmk-1." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:57:12 2012\n" "Last change: Fri Sep 14 11:57:03 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 16:12:49 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "2 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ msgid "Before continuing, we need to make sure Apache is installed on both hosts." #~ msgstr "Înainte de a continua, trebuie să ne asigurăm că Apache este înstalat pe ambele gazde." #~ msgid "" #~ "\n" #~ "[root@ppcmk-1 ~]# yum install -y httpd\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "--> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=======================================================================================\n" #~ " Package               Arch             Version                Repository         Size\n" #~ "=======================================================================================\n" #~ "Installing:\n" #~ " httpd               x86_64           2.2.13-2.fc12            rawhide           735 k\n" #~ "Installing for dependencies:\n" #~ " apr                 x86_64           1.3.9-2.fc12             rawhide           117 k\n" #~ " apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k\n" #~ " apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k\n" #~ " httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k\n" #~ " mailcap             noarch           2.1.30-1.fc12            rawhide            25 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=======================================================================================\n" #~ "Install       6 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 1.0 M\n" #~ "Downloading Packages:\n" #~ "(1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     \n" #~ "(2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     \n" #~ "(3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     \n" #~ "(4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     \n" #~ "(5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     \n" #~ "(6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total                                                       875 kB/s | 1.0 MB     00:01     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6 \n" #~ "  Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6 \n" #~ "  Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6 \n" #~ "  Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6 \n" #~ "  Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6 \n" #~ "  Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 \n" #~ "\n" #~ "Installed:\n" #~ "  httpd.x86_64 0:2.2.13-2.fc12                                                         \n" #~ "\n" #~ "Dependency Installed:\n" #~ "  apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12\n" #~ "  apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12\n" #~ "  mailcap.noarch 0:2.1.30-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@ppcmk-1 ~]# yum install -y httpd\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "--> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=======================================================================================\n" #~ " Package               Arch             Version                Repository         Size\n" #~ "=======================================================================================\n" #~ "Installing:\n" #~ " httpd               x86_64           2.2.13-2.fc12            rawhide           735 k\n" #~ "Installing for dependencies:\n" #~ " apr                 x86_64           1.3.9-2.fc12             rawhide           117 k\n" #~ " apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k\n" #~ " apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k\n" #~ " httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k\n" #~ " mailcap             noarch           2.1.30-1.fc12            rawhide            25 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=======================================================================================\n" #~ "Install       6 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 1.0 M\n" #~ "Downloading Packages:\n" #~ "(1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     \n" #~ "(2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     \n" #~ "(3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     \n" #~ "(4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     \n" #~ "(5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     \n" #~ "(6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total                                                       875 kB/s | 1.0 MB     00:01     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6 \n" #~ "  Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6 \n" #~ "  Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6 \n" #~ "  Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6 \n" #~ "  Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6 \n" #~ "  Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 \n" #~ "\n" #~ "Installed:\n" #~ "  httpd.x86_64 0:2.2.13-2.fc12                                                         \n" #~ "\n" #~ "Dependency Installed:\n" #~ "  apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12\n" #~ "  apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12\n" #~ "  mailcap.noarch 0:2.1.30-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y wget\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package        Arch             Version                      Repository               Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " wget         x86_64          1.11.4-5.fc12                   rawhide                393 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       1 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 393 k\n" #~ "Downloading Packages:\n" #~ "wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 \n" #~ "\n" #~ "Installed:\n" #~ "  wget.x86_64 0:1.11.4-5.fc12\n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y wget\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package        Arch             Version                      Repository               Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " wget         x86_64          1.11.4-5.fc12                   rawhide                393 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       1 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 393 k\n" #~ "Downloading Packages:\n" #~ "wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 \n" #~ "\n" #~ "Installed:\n" #~ "  wget.x86_64 0:1.11.4-5.fc12\n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ " op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ " op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "For the constraint, we need a name (choose something descriptive like website-with-ip), indicate that it's mandatory (so that if ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere either) by specifying a score of INFINITY and finally list the two resources." #~ msgstr "Pentru restricție, ne trebuie un nume (alegeți ceva descriptiv precum website-with-ip), să indicăm că este obligatorie (astfel încât dacă ClusterIP nu este activ nicăieri, nici lui WebSite nu i se va permite să ruleze nicăieri) specificând un scor cu valoarea INFINITY și la sfârșit vom lista cele două resurse." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:14:34 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:14:34 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:17:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:17:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgid "ptest -sL" #~ msgstr "ptest -sL" #~ msgid "Include output" #~ msgstr "Include rezultatul de ieșire" #~ msgid "There is a way to force them to move though..." #~ msgstr "Există o cale să le forțăm să se mute totuși ..." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource move WebSite pcmk-1\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:19:24 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1.\n" #~ "For the curious, we can see the effect of this command by examining the configuration\n" #~ "crm configure show\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location cli-prefer-WebSite WebSite \\\n" #~ " rule $id=\"cli-prefer-rule-WebSite\" inf: #uname eq pcmk-1\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource move WebSite pcmk-1\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:19:24 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1.\n" #~ "For the curious, we can see the effect of this command by examining the configuration\n" #~ "crm configure show\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location cli-prefer-WebSite WebSite \\\n" #~ " rule $id=\"cli-prefer-rule-WebSite\" inf: #uname eq pcmk-1\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "Highlighted is the automated constraint used to move the resources to pcmk-1" #~ msgstr "Subliniată este restricția automată folosită pentru a muta resursele pe pcmk-1" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource unmove WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource unmove WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:20:53 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ " ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ " WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:20:53 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ " ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ " WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Installation.po000066400000000000000000004132671217637305600256600ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-24 08:21+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "Instalare" #. Tag: title #, no-c-format msgid "OS Installation" msgstr "Instalarea Sistemului de Operare" #. Tag: para #, fuzzy, no-c-format msgid "Detailed instructions for installing Fedora are available at http://docs.fedoraproject.org/en-US/Fedora/17/html/Installation_Guide/ in a number of languages. The abbreviated version is as follows…" msgstr "Instrucțiuni detaliate pentru instalarea Fedora sunt disponibile la http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/ într-un număr de limbi. Versiunea abreviată este după cum urmează ..." #. Tag: para #, fuzzy, no-c-format msgid "Point your browser to http://fedoraproject.org/en/get-fedora-all, locate the Install Media section and download the install DVD that matches your hardware." msgstr "Îndreptați browserul vostru către http://fedoraproject.org/en/get-fedora-all, localizați secțiunea Install Media și descărcați DVD-ul de instalare care se potrivește cu hardware-ul vostru." #. Tag: para #, fuzzy, no-c-format msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/en-US/Fedora/16/html/Burning_ISO_images_to_disc/index.html and boot from it, or use the image to boot a virtual machine." msgstr "Asignați mașinii un nume de gazdă. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html Eu se întâmplă să controlez numele de domeniu clusterlabs.org, așa că îl voi folosi pe acesta aici." #. Tag: para #, no-c-format msgid "After clicking through the welcome screen, select your language, keyboard layout http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-keyboard-x86.html and storage type http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/Storage_Devices-x86.html" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Assign your machine a host name. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-Netconfig-x86.html I happen to control the clusterlabs.org domain name, so I will use that here." msgstr "Asignați mașinii un nume de gazdă. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html Eu se întâmplă să controlez numele de domeniu clusterlabs.org, așa că îl voi folosi pe acesta aici." #. Tag: para #, fuzzy, no-c-format msgid "Do not accept the default network settings. Cluster machines should never obtain an IP address via DHCP." msgstr "Nu acceptați setările implicite de rețea. Mașinile din cluster nu ar trebui niciodată să obțină o adresă IP via DHCP. Aici voi folosi adresele interne pentru rețeaua clusterlab.org." #. Tag: para #, no-c-format msgid "When you are presented with the Configure Network advanced option, select that option before continuing with the installation process to specify a fixed IPv4 address for System eth0. Be sure to also enter the Routes section and add an entry for your default gateway." msgstr "" #. Tag: phrase #, no-c-format msgid "Custom network settings" msgstr "" #. Tag: para #, no-c-format msgid "If you miss this step, this can easily be configured after installation. You will have to navigate to system settings and select network. From there you can select what device to configure." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "You will then be prompted to indicate the machine’s physical location http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-timezone-x86.html and to supply a root password. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-account_configuration-x86.html" msgstr "Vi se va cere ulterior să indicați locația fizică a mașinii și să furnizați o parolă de root. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-account_configuration.html " #. Tag: para #, fuzzy, no-c-format msgid "Now select where you want Fedora installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-diskpartsetup-x86.html As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive." msgstr "Acum selectați unde vreți Fedora să fie instalată. http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html Deoarece nu îmi pasă de orice date existente, voi accepta valorile implicite și voi permite Fedorei să folosească întregul disc. Totuși vreau să rezerv ceva spațiu pentru DRBD, așa că voi bifa caseta Review and modify partitioning layout." #. Tag: para #, no-c-format msgid "By default Fedora uses LVM for partitioning which allows us to dynamically change the amount of space allocated to a given partition." msgstr "" #. Tag: para #, no-c-format msgid "However, by default it also allocates all free space to the / (aka. root) partition which cannot be dynamically reduced in size (dynamic increases are fine by-the-way)." msgstr "" #. Tag: para #, no-c-format msgid "So if you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume. To do so select the Review and modify partitioning layout checkbox before clicking Next. You will then be given an opportunity to reduce the size of the root partition." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next choose which software should be installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-pkgselection-x86.html Change the selection to Minimal so that we see everything that gets installed. Don’t enable updates yet, we’ll do that (and install any extra software we need) later. After you click next, Fedora will begin installing." msgstr "În continuare alegeți ce software ar trebui să fie instalat. Schimbați selecția pe Web Server din moment ce plănuim să instalăm Apache. Nu activați încă actualizările, o să facem asta (și vom instala orice software adițional de care avem nevoie) mai târziu. După ce faceți click pe Next, Fedora va începe să se instaleze. " #. Tag: para #, fuzzy, no-c-format msgid "Go grab something to drink, this may take a while." msgstr "Instalarea Fedora: Mergeți să vă luați ceva de băut, asta ar putea dura o vreme" #. Tag: para #, no-c-format msgid "Once the node reboots, you’ll see a (possibly mangled) login prompt on the console. Login using root and the password you created earlier." msgstr "" #. Tag: phrase #, no-c-format msgid "Initial Console" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "From here on in we’re going to be working exclusively from the terminal." msgstr "Aceea a fost ultima captură de ecran, de aici înainte vom lucra de la terminal." #. Tag: title #, fuzzy, no-c-format msgid "Post Installation Tasks" msgstr "Instalare" #. Tag: title #, fuzzy, no-c-format msgid "Networking" msgstr "Finalizați Rețelistica" #. Tag: para #, no-c-format msgid "Bring up the network and ensure it starts at boot" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# service network start\n" "# chkconfig network on" msgstr "" #. Tag: para #, no-c-format msgid "Check the machine has the static IP address you configured earlier" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ip addr\n" "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN\n" " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" " inet 127.0.0.1/8 scope host lo\n" " inet6 ::1/128 scope host\n" " valid_lft forever preferred_lft forever\n" "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n" " link/ether 52:54:00:d7:d6:08 brd ff:ff:ff:ff:ff:ff\n" " inet 192.168.122.101/24 brd 192.168.122.255 scope global eth0\n" " inet6 fe80::5054:ff:fed7:d608/64 scope link\n" " valid_lft forever preferred_lft forever" msgstr "" #. Tag: para #, no-c-format msgid "Now check the default route setting:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "[root@pcmk-1 ~]# ip route\n" "default via 192.168.122.1 dev eth0\n" "192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.101" msgstr "" #. Tag: para #, no-c-format msgid "If there is no line beginning with default via, then you may need to add a line such as" msgstr "" #. Tag: programlisting #, no-c-format msgid "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "to /etc/sysconfig/network and restart the network." msgstr "" #. Tag: para #, no-c-format msgid "Now check for connectivity to the outside world. Start small by testing if we can read the gateway we configured." msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 1 192.168.122.1\n" "PING 192.168.122.1 (192.168.122.1) 56(84) bytes of data.\n" "64 bytes from 192.168.122.1: icmp_req=1 ttl=64 time=0.249 ms\n" "\n" "--- 192.168.122.1 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 0.249/0.249/0.249/0.000 ms" msgstr "" "\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, no-c-format msgid "Now try something external, choose a location you know will be available." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 1 www.google.com\n" "PING www.l.google.com (173.194.72.106) 56(84) bytes of data.\n" "64 bytes from tf-in-f106.1e100.net (173.194.72.106): icmp_req=1 ttl=41 time=167 ms\n" "\n" "--- www.l.google.com ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 167.618/167.618/167.618/0.000 ms" msgstr "" #. Tag: title #, no-c-format msgid "Leaving the Console" msgstr "" #. Tag: para #, no-c-format msgid "The console isn’t a very friendly place to work from, we will now switch to accessing the machine remotely via SSH where we can use copy&paste etc." msgstr "" #. Tag: para #, no-c-format msgid "First we check we can see the newly installed at all:" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "beekhof@f16 ~ # ping -c 1 192.168.122.101\n" "PING 192.168.122.101 (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from 192.168.122.101: icmp_req=1 ttl=64 time=1.01 ms\n" "\n" "--- 192.168.122.101 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 1.012/1.012/1.012/0.000 ms" msgstr "" "\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, no-c-format msgid "Next we login via SSH" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "beekhof@f16 ~ # ssh -l root 192.168.122.11\n" "root@192.168.122.11's password:\n" "Last login: Fri Mar 30 19:41:19 2012 from 192.168.122.1\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: title #, no-c-format msgid "Security Shortcuts" msgstr "Scurtături de Securitate" #. Tag: para #, fuzzy, no-c-format msgid "To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation." msgstr "Pentru a simplifica acest ghid și pentru a ne concentra pe aspecte care sunt legate în mod direct de clustering, o să dezactivăm acum firewall-ul mașinii și instalarea de SELinux. Ambele aceste acțiuni creează probleme semnificative de securitate și nu ar trebui să fie efectuate pe mașini care vor fi expuse în mod direct către lumea exterioara. " #. Tag: para #, fuzzy, no-c-format msgid "Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world." msgstr "Pentru a simplifica acest ghid și pentru a ne concentra pe aspecte care sunt legate în mod direct de clustering, o să dezactivăm acum firewall-ul mașinii și instalarea de SELinux. Ambele aceste acțiuni creează probleme semnificative de securitate și nu ar trebui să fie efectuate pe mașini care vor fi expuse în mod direct către lumea exterioara. " #. Tag: literallayout #, no-c-format msgid "TODO: Create an Appendix that deals with (at least) re-enabling the firewall." msgstr "TODO: Crearea unui Apendix care să se ocupe cu (cel puțin) reactivarea firewall-ului." #. Tag: programlisting #, no-c-format msgid "" "# setenforce 0\n" "# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" "# systemctl disable iptables.service\n" "# rm '/etc/systemd/system/basic.target.wants/iptables.service'\n" "# systemctl stop iptables.service" msgstr "" #. Tag: title #, no-c-format msgid "Short Node Names" msgstr "Numele Scurte ale Nodurilor" #. Tag: para #, fuzzy, no-c-format msgid "During installation, we filled in the machine’s fully qualifier domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself: Nodesshort name short name " msgstr "În timpul instalării, am completat numele complet calificat de domeniu (FQDN) al mașinii care poate fi destul de lung când apare în logurile clusterului sau în rezultatul de ieșire al status-ului. Vedeți pentru voi înșivă cum se identifică singură mașina:" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1.clusterlabs.org\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Query) Domain name (Query) " msgstr "" #. Tag: para #, no-c-format msgid "The output from the second command is fine, but we really don’t need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start." msgstr "Rezultatul de ieșire de la a doua comandă este în regulă, dar nu avem nevoie cu adevărat ca numele de domeniu să fie inclus în detaliile de bază ale gazdei. Pentru a adresa acest lucru, trebuie să actualizăm /etc/sysconfig/network. Așa ar trebui să arate înainte să începem." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1" msgstr "" "\n" "[root@pcmk-1 ~]# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1\n" " " #. Tag: para #, no-c-format msgid "All we need to do now is strip off the domain name portion, which is stored elsewhere anyway." msgstr "Tot ceea ce trebuie să facem acum este să scoatem porțiunea de nume de domeniu, care este stocată oricum în altă parte." #. Tag: programlisting #, fuzzy, no-c-format msgid " # sed -i.sed 's/\\.[a-z].*//g' /etc/sysconfig/network" msgstr "[root@pcmk-1 ~]# sed -i.bak 's/\\.[a-z].*//g' /etc/sysconfig/network" #. Tag: para #, no-c-format msgid "Now confirm the change was successful. The revised file contents should look something like this." msgstr "Acum confirmați că modificarea a fost realizată cu succes. Conținutul fișierului revizuit ar trebui să arate ceva de genul acesta." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1" msgstr "" "\n" "[root@pcmk-1 ~]# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1\n" " " #. Tag: para #, fuzzy, no-c-format msgid "However we’re not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update." msgstr "Însă nu am terminat. Mașina nu ar vedea în mod normal lista de nume de gazde scurtate până ce nu repornește, dar putem să o forțăm să se actualizeze." #. Tag: programlisting #, no-c-format msgid "" "# source /etc/sysconfig/network\n" "# hostname $HOSTNAME" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Remove from host name) Domain name (Remove from host name) " msgstr "" #. Tag: para #, no-c-format msgid "Now check the machine is using the correct names" msgstr "Acum verificați că mașina folosește numele corecte" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: title #, no-c-format msgid "NTP" msgstr "" #. Tag: para #, no-c-format msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier. http://docs.fedoraproject.org/en-US/Fedora/17/html-single/System_Administrators_Guide/index.html#ch-Configuring_the_Date_and_Time" msgstr "" #. Tag: title #, no-c-format msgid "Before You Continue" msgstr "Înainte de a Continua" #. Tag: para #, fuzzy, no-c-format msgid "Repeat the Installation steps so far, so that you have two Fedora nodes ready to have the cluster software installed." msgstr "Repetați pașii de Instalare astfel încât să aveți 2 noduri cu Fedora cu software-ul de cluster instalat." #. Tag: para #, fuzzy, no-c-format msgid "For the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.102." msgstr "Pentru scopurile acestui document, nodul adițional este numit pcmk-2 cu adresa 192.168.122.42." #. Tag: title #, no-c-format msgid "Finalize Networking" msgstr "Finalizați Rețelistica" #. Tag: para #, fuzzy, no-c-format msgid "Confirm that you can communicate between the two new nodes:" msgstr "Confirmați că puteți comunica cu cele două noi noduri:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms" msgstr "" "\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the two machines. Otherwise, you’ll need to add the machines to /etc/hosts . Below are the entries for my cluster nodes:" msgstr "Acum trebuie să ne asigurăm că putem comunica cu mașinile după numele acestora. Dacă aveți un server DNS, adăugați intrări adiționale pentru cele două mașini. În caz contrar, va trebui să adăugați mașinile în /etc/hosts. Mai jos sunt intrările pentru nodurile mele de cluster:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2" msgstr "" "\n" "[root@pcmk-1 ~]# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2\n" "\t" #. Tag: para #, no-c-format msgid "We can now verify the setup by again using ping:" msgstr "Putem verifica setup-ul folosind ping din nou:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms" msgstr "" "\n" "[root@pcmk-1 ~]# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms\n" "\t" #. Tag: title #, no-c-format msgid "Configure SSH" msgstr "Configurați SSH" #. Tag: para #, fuzzy, no-c-format msgid "SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N option) so that we can perform remote actions without being prompted." msgstr "SSH este un mod convenabil și sigur de a copia fișierele și de a efectua comenzi pe sisteme la distanță. Pentru scopurile acestui ghid, vom crea o cheie fără parolă (folosind opțiunea -N \"\") astfel încât să putem efectua acțiuni la distanță fără a mai fi întrebați." #. Tag: para #, no-c-format msgid " SSH " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world. We use them here only to simplify the demo." msgstr "Chei neprotejate de SSH, precum cele fără parolă, nu sunt recomandate pentru servere expuse la lumea externă." #. Tag: para #, no-c-format msgid "Create a new key and allow anyone with that key to log in:" msgstr "Creați o cheie nouă și permiteți oricui cu acea cheie să se logheze:" #. Tag: title #, no-c-format msgid "Creating and Activating a new SSH Key" msgstr "Crearea și Activarea unei Chei noi SSH" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "\n" "# cp .ssh/id_dsa.pub .ssh/authorized_keys" msgstr "" "\n" "[root@pcmk-1 ~]# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "[root@pcmk-1 ~]# cp .ssh/id_dsa.pub .ssh/authorized_keys\n" "[root@pcmk-1 ~]#\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid " Creating and Activating a new SSH Key " msgstr "Crearea și Activarea unei Chei noi SSH" #. Tag: para #, no-c-format msgid "Install the key on the other nodes and test that you can now run commands remotely, without being prompted" msgstr "Instalați cheia pe celelalte noduri și testați că acum puteți rula comenzi de la distanță, fără să mai fiți întrebați" #. Tag: title #, no-c-format msgid "Installing the SSH Key on Another Host" msgstr "Instalarea Cheii SSH pe o Altă Gazdă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.root@pcmk-2's password:\n" "id_dsa.pub 100% 616 0.6KB/s 00:00\n" "id_dsa 100% 672 0.7KB/s 00:00\n" "known_hosts 100% 400 0.4KB/s 00:00\n" "authorized_keys 100% 616 0.6KB/s 00:00\n" "# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "#" msgstr "" "\n" "[root@pcmk-1 ~]# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.\n" "root@pcmk-2's password: \n" "id_dsa.pub 100% 616 0.6KB/s 00:00 \n" "id_dsa 100% 672 0.7KB/s 00:00 \n" "known_hosts 100% 400 0.4KB/s 00:00 \n" "authorized_keys 100% 616 0.6KB/s 00:00 \n" "[root@pcmk-1 ~]# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "[root@pcmk-1 ~]#\n" "\t" #. Tag: title #, no-c-format msgid "Cluster Software Installation" msgstr "Instalarea Software-ului de Cluster" #. Tag: title #, no-c-format msgid "Install the Cluster Software" msgstr "Instalați Software-ul de Cluster" #. Tag: para #, no-c-format msgid "Since version 12, Fedora comes with recent versions of everything you need, so simply fire up the shell and run:" msgstr "Începând cu versiunea 12, Fedora vine cu versiuni recente ale tuturor lucrurilor de care aveți nevoie, așa că pur și simplu porniți shell-ul și rulați:" #. Tag: programlisting #, no-c-format msgid "# yum install -y pacemaker corosync" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "fedora/metalink | 38 kB 00:00\n" "fedora | 4.2 kB 00:00\n" "fedora/primary_db | 14 MB 00:21\n" "updates/metalink | 2.7 kB 00:00\n" "updates | 2.6 kB 00:00\n" "updates/primary_db | 1.2 kB 00:00\n" "updates-testing/metalink | 28 kB 00:00\n" "updates-testing | 4.5 kB 00:00\n" "updates-testing/primary_db | 4.5 MB 00:12\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package corosync.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: corosynclib = 1.99.9-1.fc17 for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libxslt for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4(COROSYNC_CMAP_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libtotem_pg.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libqb.so.0()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libnetsnmp.so.30()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcorosync_common.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "---> Package pacemaker.x86_64 0:1.1.7-2.fc17 will be installed\n" "--> Processing Dependency: pacemaker-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cluster-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cli = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: resource-agents for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: perl(Getopt::Long) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26(GNUTLS_1_4)(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: /usr/bin/perl for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_status.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libltdl.so.7()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Running transaction check\n" "---> Package cluster-glue.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "---> Package cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "---> Package corosynclib.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "---> Package gnutls.x86_64 0:2.12.17-1.fc17 will be installed\n" "--> Processing Dependency: libtasn1.so.3(LIBTASN1_0_3)(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libtasn1.so.3()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libp11-kit.so.0()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "---> Package libqb.x86_64 0:0.11.1-1.fc17 will be installed\n" "---> Package libtool-ltdl.x86_64 0:2.4.2-3.fc17 will be installed\n" "---> Package libxslt.x86_64 0:1.1.26-9.fc17 will be installed\n" "---> Package net-snmp-libs.x86_64 1:5.7.1-4.fc17 will be installed\n" "---> Package pacemaker-cli.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package perl.x86_64 4:5.14.2-211.fc17 will be installed\n" "--> Processing Dependency: perl-libs = 4:5.14.2-211.fc17 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) >= 1.21 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) >= 1.3 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) >= 1.10 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) >= 0.8 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-macros for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-libs for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(List::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Unix) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Functions) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Cwd) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Carp) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "---> Package resource-agents.x86_64 0:3.9.2-2.fc17.1 will be installed\n" "--> Processing Dependency: /usr/sbin/rpc.nfsd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/rpc.mountd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/ethtool for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/rpc.statd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotaon for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotacheck for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs4 for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.cifs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/fsck.xfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Running transaction check\n" "---> Package OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 will be installed\n" "---> Package cifs-utils.x86_64 0:5.3-2.fc17 will be installed\n" "--> Processing Dependency: libtalloc.so.2(TALLOC_2.0.2)(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: keyutils for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libwbclient.so.0()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libtalloc.so.2()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "---> Package ethtool.x86_64 2:3.2-2.fc17 will be installed\n" "---> Package libibverbs.x86_64 0:1.1.6-2.fc17 will be installed\n" "---> Package libnet.x86_64 0:1.1.5-3.fc17 will be installed\n" "---> Package librdmacm.x86_64 0:1.0.15-1.fc17 will be installed\n" "---> Package libtasn1.x86_64 0:2.12-1.fc17 will be installed\n" "---> Package nfs-utils.x86_64 1:1.2.5-12.fc17 will be installed\n" "--> Processing Dependency: rpcbind for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1(libgssapi_CITI_2)(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap.so.0()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "---> Package p11-kit.x86_64 0:0.12-1.fc17 will be installed\n" "---> Package perl-Carp.noarch 0:1.22-2.fc17 will be installed\n" "---> Package perl-Module-Pluggable.noarch 1:3.90-211.fc17 will be installed\n" "---> Package perl-PathTools.x86_64 0:3.33-211.fc17 will be installed\n" "---> Package perl-Pod-Simple.noarch 1:3.16-211.fc17 will be installed\n" "--> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.16-211.fc17.noarch\n" "---> Package perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 will be installed\n" "---> Package perl-Socket.x86_64 0:2.001-1.fc17 will be installed\n" "---> Package perl-TimeDate.noarch 1:1.20-6.fc17 will be installed\n" "---> Package perl-libs.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-macros.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-threads.x86_64 0:1.86-2.fc17 will be installed\n" "---> Package perl-threads-shared.x86_64 0:1.40-2.fc17 will be installed\n" "---> Package quota.x86_64 1:4.00-3.fc17 will be installed\n" "--> Processing Dependency: quota-nls = 1:4.00-3.fc17 for package: 1:quota-4.00-3.fc17.x86_64\n" "--> Processing Dependency: tcp_wrappers for package: 1:quota-4.00-3.fc17.x86_64\n" "---> Package xfsprogs.x86_64 0:3.1.8-1.fc17 will be installed\n" "--> Running transaction check\n" "---> Package keyutils.x86_64 0:1.5.5-2.fc17 will be installed\n" "---> Package libevent.x86_64 0:2.0.14-2.fc17 will be installed\n" "---> Package libgssglue.x86_64 0:0.3-1.fc17 will be installed\n" "---> Package libnfsidmap.x86_64 0:0.25-1.fc17 will be installed\n" "---> Package libtalloc.x86_64 0:2.0.7-4.fc17 will be installed\n" "---> Package libtirpc.x86_64 0:0.2.2-2.1.fc17 will be installed\n" "---> Package libwbclient.x86_64 1:3.6.3-81.fc17.1 will be installed\n" "---> Package perl-Pod-Escapes.noarch 1:1.04-211.fc17 will be installed\n" "---> Package quota-nls.noarch 1:4.00-3.fc17 will be installed\n" "---> Package rpcbind.x86_64 0:0.2.0-16.fc17 will be installed\n" "---> Package tcp_wrappers.x86_64 0:7.6-69.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " corosync x86_64 1.99.9-1.fc17 updates-testing 159 k\n" " pacemaker x86_64 1.1.7-2.fc17 updates-testing 362 k\n" "Installing for dependencies:\n" " OpenIPMI-libs x86_64 2.0.18-13.fc17 fedora 466 k\n" " cifs-utils x86_64 5.3-2.fc17 updates-testing 66 k\n" " cluster-glue x86_64 1.0.6-9.fc17.1 fedora 229 k\n" " cluster-glue-libs x86_64 1.0.6-9.fc17.1 fedora 121 k\n" " corosynclib x86_64 1.99.9-1.fc17 updates-testing 96 k\n" " ethtool x86_64 2:3.2-2.fc17 fedora 94 k\n" " gnutls x86_64 2.12.17-1.fc17 fedora 385 k\n" " keyutils x86_64 1.5.5-2.fc17 fedora 49 k\n" " libevent x86_64 2.0.14-2.fc17 fedora 160 k\n" " libgssglue x86_64 0.3-1.fc17 fedora 24 k\n" " libibverbs x86_64 1.1.6-2.fc17 fedora 44 k\n" " libnet x86_64 1.1.5-3.fc17 fedora 54 k\n" " libnfsidmap x86_64 0.25-1.fc17 fedora 34 k\n" " libqb x86_64 0.11.1-1.fc17 updates-testing 68 k\n" " librdmacm x86_64 1.0.15-1.fc17 fedora 27 k\n" " libtalloc x86_64 2.0.7-4.fc17 fedora 22 k\n" " libtasn1 x86_64 2.12-1.fc17 updates-testing 319 k\n" " libtirpc x86_64 0.2.2-2.1.fc17 fedora 78 k\n" " libtool-ltdl x86_64 2.4.2-3.fc17 fedora 45 k\n" " libwbclient x86_64 1:3.6.3-81.fc17.1 updates-testing 68 k\n" " libxslt x86_64 1.1.26-9.fc17 fedora 416 k\n" " net-snmp-libs x86_64 1:5.7.1-4.fc17 fedora 713 k\n" " nfs-utils x86_64 1:1.2.5-12.fc17 fedora 311 k\n" " p11-kit x86_64 0.12-1.fc17 updates-testing 36 k\n" " pacemaker-cli x86_64 1.1.7-2.fc17 updates-testing 368 k\n" " pacemaker-cluster-libs x86_64 1.1.7-2.fc17 updates-testing 77 k\n" " pacemaker-libs x86_64 1.1.7-2.fc17 updates-testing 322 k\n" " perl x86_64 4:5.14.2-211.fc17 fedora 10 M\n" " perl-Carp noarch 1.22-2.fc17 fedora 17 k\n" " perl-Module-Pluggable noarch 1:3.90-211.fc17 fedora 47 k\n" " perl-PathTools x86_64 3.33-211.fc17 fedora 105 k\n" " perl-Pod-Escapes noarch 1:1.04-211.fc17 fedora 40 k\n" " perl-Pod-Simple noarch 1:3.16-211.fc17 fedora 223 k\n" " perl-Scalar-List-Utils x86_64 1.25-1.fc17 updates-testing 33 k\n" " perl-Socket x86_64 2.001-1.fc17 updates-testing 44 k\n" " perl-TimeDate noarch 1:1.20-6.fc17 fedora 43 k\n" " perl-libs x86_64 4:5.14.2-211.fc17 fedora 628 k\n" " perl-macros x86_64 4:5.14.2-211.fc17 fedora 32 k\n" " perl-threads x86_64 1.86-2.fc17 fedora 47 k\n" " perl-threads-shared x86_64 1.40-2.fc17 fedora 36 k\n" " quota x86_64 1:4.00-3.fc17 fedora 160 k\n" " quota-nls noarch 1:4.00-3.fc17 fedora 74 k\n" " resource-agents x86_64 3.9.2-2.fc17.1 fedora 466 k\n" " rpcbind x86_64 0.2.0-16.fc17 fedora 52 k\n" " tcp_wrappers x86_64 7.6-69.fc17 fedora 72 k\n" " xfsprogs x86_64 3.1.8-1.fc17 updates-testing 715 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 2 Packages (+46 Dependent packages)\n" "\n" "Total download size: 18 M\n" "Installed size: 59 M\n" "Downloading Packages:\n" "(1/48): OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm | 466 kB 00:00\n" "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 1aca3465: NOKEY\n" "Public key for OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm is not installed\n" "(2/48): cifs-utils-5.3-2.fc17.x86_64.rpm | 66 kB 00:01\n" "Public key for cifs-utils-5.3-2.fc17.x86_64.rpm is not installed\n" "(3/48): cluster-glue-1.0.6-9.fc17.1.x86_64.rpm | 229 kB 00:00\n" "(4/48): cluster-glue-libs-1.0.6-9.fc17.1.x86_64.rpm | 121 kB 00:00\n" "(5/48): corosync-1.99.9-1.fc17.x86_64.rpm | 159 kB 00:01\n" "(6/48): corosynclib-1.99.9-1.fc17.x86_64.rpm | 96 kB 00:00\n" "(7/48): ethtool-3.2-2.fc17.x86_64.rpm | 94 kB 00:00\n" "(8/48): gnutls-2.12.17-1.fc17.x86_64.rpm | 385 kB 00:00\n" "(9/48): keyutils-1.5.5-2.fc17.x86_64.rpm | 49 kB 00:00\n" "(10/48): libevent-2.0.14-2.fc17.x86_64.rpm | 160 kB 00:00\n" "(11/48): libgssglue-0.3-1.fc17.x86_64.rpm | 24 kB 00:00\n" "(12/48): libibverbs-1.1.6-2.fc17.x86_64.rpm | 44 kB 00:00\n" "(13/48): libnet-1.1.5-3.fc17.x86_64.rpm | 54 kB 00:00\n" "(14/48): libnfsidmap-0.25-1.fc17.x86_64.rpm | 34 kB 00:00\n" "(15/48): libqb-0.11.1-1.fc17.x86_64.rpm | 68 kB 00:01\n" "(16/48): librdmacm-1.0.15-1.fc17.x86_64.rpm | 27 kB 00:00\n" "(17/48): libtalloc-2.0.7-4.fc17.x86_64.rpm | 22 kB 00:00\n" "(18/48): libtasn1-2.12-1.fc17.x86_64.rpm | 319 kB 00:02\n" "(19/48): libtirpc-0.2.2-2.1.fc17.x86_64.rpm | 78 kB 00:00\n" "(20/48): libtool-ltdl-2.4.2-3.fc17.x86_64.rpm | 45 kB 00:00\n" "(21/48): libwbclient-3.6.3-81.fc17.1.x86_64.rpm | 68 kB 00:00\n" "(22/48): libxslt-1.1.26-9.fc17.x86_64.rpm | 416 kB 00:00\n" "(23/48): net-snmp-libs-5.7.1-4.fc17.x86_64.rpm | 713 kB 00:01\n" "(24/48): nfs-utils-1.2.5-12.fc17.x86_64.rpm | 311 kB 00:00\n" "(25/48): p11-kit-0.12-1.fc17.x86_64.rpm | 36 kB 00:01\n" "(26/48): pacemaker-1.1.7-2.fc17.x86_64.rpm | 362 kB 00:02\n" "(27/48): pacemaker-cli-1.1.7-2.fc17.x86_64.rpm | 368 kB 00:02\n" "(28/48): pacemaker-cluster-libs-1.1.7-2.fc17.x86_64.rpm | 77 kB 00:00\n" "(29/48): pacemaker-libs-1.1.7-2.fc17.x86_64.rpm | 322 kB 00:01\n" "(30/48): perl-5.14.2-211.fc17.x86_64.rpm | 10 MB 00:15\n" "(31/48): perl-Carp-1.22-2.fc17.noarch.rpm | 17 kB 00:00\n" "(32/48): perl-Module-Pluggable-3.90-211.fc17.noarch.rpm | 47 kB 00:00\n" "(33/48): perl-PathTools-3.33-211.fc17.x86_64.rpm | 105 kB 00:00\n" "(34/48): perl-Pod-Escapes-1.04-211.fc17.noarch.rpm | 40 kB 00:00\n" "(35/48): perl-Pod-Simple-3.16-211.fc17.noarch.rpm | 223 kB 00:00\n" "(36/48): perl-Scalar-List-Utils-1.25-1.fc17.x86_64.rpm | 33 kB 00:01\n" "(37/48): perl-Socket-2.001-1.fc17.x86_64.rpm | 44 kB 00:00\n" "(38/48): perl-TimeDate-1.20-6.fc17.noarch.rpm | 43 kB 00:00\n" "(39/48): perl-libs-5.14.2-211.fc17.x86_64.rpm | 628 kB 00:00\n" "(40/48): perl-macros-5.14.2-211.fc17.x86_64.rpm | 32 kB 00:00\n" "(41/48): perl-threads-1.86-2.fc17.x86_64.rpm | 47 kB 00:00\n" "(42/48): perl-threads-shared-1.40-2.fc17.x86_64.rpm | 36 kB 00:00\n" "(43/48): quota-4.00-3.fc17.x86_64.rpm | 160 kB 00:00\n" "(44/48): quota-nls-4.00-3.fc17.noarch.rpm | 74 kB 00:00\n" "(45/48): resource-agents-3.9.2-2.fc17.1.x86_64.rpm | 466 kB 00:00\n" "(46/48): rpcbind-0.2.0-16.fc17.x86_64.rpm | 52 kB 00:00\n" "(47/48): tcp_wrappers-7.6-69.fc17.x86_64.rpm | 72 kB 00:00\n" "(48/48): xfsprogs-3.1.8-1.fc17.x86_64.rpm | 715 kB 00:03\n" "----------------------------------------------------------------------------------------\n" "Total 333 kB/s | 18 MB 00:55\n" "Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Importing GPG key 0x1ACA3465:\n" " Userid : \"Fedora (17) <fedora@fedoraproject.org>\"\n" " Fingerprint: cac4 3fb7 74a4 a673 d81c 5de7 50e9 4c99 1aca 3465\n" " Package : fedora-release-17-0.8.noarch (@anaconda-0)\n" " From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : libqb-0.11.1-1.fc17.x86_64 1/48\n" " Installing : libtool-ltdl-2.4.2-3.fc17.x86_64 2/48\n" " Installing : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 3/48\n" " Installing : libxslt-1.1.26-9.fc17.x86_64 4/48\n" " Installing : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 5/48\n" " Installing : perl-threads-1.86-2.fc17.x86_64 6/48\n" " Installing : 4:perl-macros-5.14.2-211.fc17.x86_64 7/48\n" " Installing : 1:perl-Pod-Simple-3.16-211.fc17.noarch 8/48\n" " Installing : perl-Socket-2.001-1.fc17.x86_64 9/48\n" " Installing : perl-Carp-1.22-2.fc17.noarch 10/48\n" " Installing : 4:perl-libs-5.14.2-211.fc17.x86_64 11/48\n" " Installing : perl-threads-shared-1.40-2.fc17.x86_64 12/48\n" " Installing : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 13/48\n" " Installing : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 14/48\n" " Installing : perl-PathTools-3.33-211.fc17.x86_64 15/48\n" " Installing : 4:perl-5.14.2-211.fc17.x86_64 16/48\n" " Installing : libibverbs-1.1.6-2.fc17.x86_64 17/48\n" " Installing : keyutils-1.5.5-2.fc17.x86_64 18/48\n" " Installing : libgssglue-0.3-1.fc17.x86_64 19/48\n" " Installing : libtirpc-0.2.2-2.1.fc17.x86_64 20/48\n" " Installing : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 21/48\n" " Installing : rpcbind-0.2.0-16.fc17.x86_64 22/48\n" " Installing : librdmacm-1.0.15-1.fc17.x86_64 23/48\n" " Installing : corosynclib-1.99.9-1.fc17.x86_64 24/48\n" " Installing : corosync-1.99.9-1.fc17.x86_64 25/48\n" "error reading information on service corosync: No such file or directory\n" " Installing : 1:perl-TimeDate-1.20-6.fc17.noarch 26/48\n" " Installing : 1:quota-nls-4.00-3.fc17.noarch 27/48\n" " Installing : tcp_wrappers-7.6-69.fc17.x86_64 28/48\n" " Installing : 1:quota-4.00-3.fc17.x86_64 29/48\n" " Installing : libnfsidmap-0.25-1.fc17.x86_64 30/48\n" " Installing : 1:libwbclient-3.6.3-81.fc17.1.x86_64 31/48\n" " Installing : libnet-1.1.5-3.fc17.x86_64 32/48\n" " Installing : 2:ethtool-3.2-2.fc17.x86_64 33/48\n" " Installing : libevent-2.0.14-2.fc17.x86_64 34/48\n" " Installing : 1:nfs-utils-1.2.5-12.fc17.x86_64 35/48\n" " Installing : libtalloc-2.0.7-4.fc17.x86_64 36/48\n" " Installing : cifs-utils-5.3-2.fc17.x86_64 37/48\n" " Installing : libtasn1-2.12-1.fc17.x86_64 38/48\n" " Installing : OpenIPMI-libs-2.0.18-13.fc17.x86_64 39/48\n" " Installing : cluster-glue-1.0.6-9.fc17.1.x86_64 40/48\n" " Installing : p11-kit-0.12-1.fc17.x86_64 41/48\n" " Installing : gnutls-2.12.17-1.fc17.x86_64 42/48\n" " Installing : pacemaker-libs-1.1.7-2.fc17.x86_64 43/48\n" " Installing : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 44/48\n" " Installing : pacemaker-cli-1.1.7-2.fc17.x86_64 45/48\n" " Installing : xfsprogs-3.1.8-1.fc17.x86_64 46/48\n" " Installing : resource-agents-3.9.2-2.fc17.1.x86_64 47/48\n" " Installing : pacemaker-1.1.7-2.fc17.x86_64 48/48\n" " Verifying : xfsprogs-3.1.8-1.fc17.x86_64 1/48\n" " Verifying : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 2/48\n" " Verifying : corosync-1.99.9-1.fc17.x86_64 3/48\n" " Verifying : cluster-glue-1.0.6-9.fc17.1.x86_64 4/48\n" " Verifying : perl-PathTools-3.33-211.fc17.x86_64 5/48\n" " Verifying : p11-kit-0.12-1.fc17.x86_64 6/48\n" " Verifying : 1:perl-Pod-Simple-3.16-211.fc17.noarch 7/48\n" " Verifying : OpenIPMI-libs-2.0.18-13.fc17.x86_64 8/48\n" " Verifying : libtasn1-2.12-1.fc17.x86_64 9/48\n" " Verifying : perl-threads-1.86-2.fc17.x86_64 10/48\n" " Verifying : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 11/48\n" " Verifying : pacemaker-1.1.7-2.fc17.x86_64 12/48\n" " Verifying : 4:perl-5.14.2-211.fc17.x86_64 13/48\n" " Verifying : gnutls-2.12.17-1.fc17.x86_64 14/48\n" " Verifying : perl-threads-shared-1.40-2.fc17.x86_64 15/48\n" " Verifying : 4:perl-macros-5.14.2-211.fc17.x86_64 16/48\n" " Verifying : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 17/48\n" " Verifying : 1:nfs-utils-1.2.5-12.fc17.x86_64 18/48\n" " Verifying : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 19/48\n" " Verifying : pacemaker-libs-1.1.7-2.fc17.x86_64 20/48\n" " Verifying : libtalloc-2.0.7-4.fc17.x86_64 21/48\n" " Verifying : libevent-2.0.14-2.fc17.x86_64 22/48\n" " Verifying : perl-Socket-2.001-1.fc17.x86_64 23/48\n" " Verifying : libgssglue-0.3-1.fc17.x86_64 24/48\n" " Verifying : perl-Carp-1.22-2.fc17.noarch 25/48\n" " Verifying : libtirpc-0.2.2-2.1.fc17.x86_64 26/48\n" " Verifying : 2:ethtool-3.2-2.fc17.x86_64 27/48\n" " Verifying : 4:perl-libs-5.14.2-211.fc17.x86_64 28/48\n" " Verifying : libxslt-1.1.26-9.fc17.x86_64 29/48\n" " Verifying : rpcbind-0.2.0-16.fc17.x86_64 30/48\n" " Verifying : librdmacm-1.0.15-1.fc17.x86_64 31/48\n" " Verifying : resource-agents-3.9.2-2.fc17.1.x86_64 32/48\n" " Verifying : 1:quota-4.00-3.fc17.x86_64 33/48\n" " Verifying : 1:perl-TimeDate-1.20-6.fc17.noarch 34/48\n" " Verifying : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 35/48\n" " Verifying : libtool-ltdl-2.4.2-3.fc17.x86_64 36/48\n" " Verifying : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 37/48\n" " Verifying : cifs-utils-5.3-2.fc17.x86_64 38/48\n" " Verifying : libnet-1.1.5-3.fc17.x86_64 39/48\n" " Verifying : corosynclib-1.99.9-1.fc17.x86_64 40/48\n" " Verifying : libqb-0.11.1-1.fc17.x86_64 41/48\n" " Verifying : 1:libwbclient-3.6.3-81.fc17.1.x86_64 42/48\n" " Verifying : libnfsidmap-0.25-1.fc17.x86_64 43/48\n" " Verifying : tcp_wrappers-7.6-69.fc17.x86_64 44/48\n" " Verifying : keyutils-1.5.5-2.fc17.x86_64 45/48\n" " Verifying : libibverbs-1.1.6-2.fc17.x86_64 46/48\n" " Verifying : 1:quota-nls-4.00-3.fc17.noarch 47/48\n" " Verifying : pacemaker-cli-1.1.7-2.fc17.x86_64 48/48\n" "\n" "Installed:\n" " corosync.x86_64 0:1.99.9-1.fc17 pacemaker.x86_64 0:1.1.7-2.fc17\n" "\n" "Dependency Installed:\n" " OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 cifs-utils.x86_64 0:5.3-2.fc17\n" " cluster-glue.x86_64 0:1.0.6-9.fc17.1 cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1\n" " corosynclib.x86_64 0:1.99.9-1.fc17 ethtool.x86_64 2:3.2-2.fc17\n" " gnutls.x86_64 0:2.12.17-1.fc17 keyutils.x86_64 0:1.5.5-2.fc17\n" " libevent.x86_64 0:2.0.14-2.fc17 libgssglue.x86_64 0:0.3-1.fc17\n" " libibverbs.x86_64 0:1.1.6-2.fc17 libnet.x86_64 0:1.1.5-3.fc17\n" " libnfsidmap.x86_64 0:0.25-1.fc17 libqb.x86_64 0:0.11.1-1.fc17\n" " librdmacm.x86_64 0:1.0.15-1.fc17 libtalloc.x86_64 0:2.0.7-4.fc17\n" " libtasn1.x86_64 0:2.12-1.fc17 libtirpc.x86_64 0:0.2.2-2.1.fc17\n" " libtool-ltdl.x86_64 0:2.4.2-3.fc17 libwbclient.x86_64 1:3.6.3-81.fc17.1\n" " libxslt.x86_64 0:1.1.26-9.fc17 net-snmp-libs.x86_64 1:5.7.1-4.fc17\n" " nfs-utils.x86_64 1:1.2.5-12.fc17 p11-kit.x86_64 0:0.12-1.fc17\n" " pacemaker-cli.x86_64 0:1.1.7-2.fc17 pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17\n" " pacemaker-libs.x86_64 0:1.1.7-2.fc17 perl.x86_64 4:5.14.2-211.fc17\n" " perl-Carp.noarch 0:1.22-2.fc17 perl-Module-Pluggable.noarch 1:3.90-211.fc17\n" " perl-PathTools.x86_64 0:3.33-211.fc17 perl-Pod-Escapes.noarch 1:1.04-211.fc17\n" " perl-Pod-Simple.noarch 1:3.16-211.fc17 perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17\n" " perl-Socket.x86_64 0:2.001-1.fc17 perl-TimeDate.noarch 1:1.20-6.fc17\n" " perl-libs.x86_64 4:5.14.2-211.fc17 perl-macros.x86_64 4:5.14.2-211.fc17\n" " perl-threads.x86_64 0:1.86-2.fc17 perl-threads-shared.x86_64 0:1.40-2.fc17\n" " quota.x86_64 1:4.00-3.fc17 quota-nls.noarch 1:4.00-3.fc17\n" " resource-agents.x86_64 0:3.9.2-2.fc17.1 rpcbind.x86_64 0:0.2.0-16.fc17\n" " tcp_wrappers.x86_64 0:7.6-69.fc17 xfsprogs.x86_64 0:3.1.8-1.fc17\n" "\n" "Complete!\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now install the cluster software on the second node." msgstr "Instalați Software-ul de Cluster" #. Tag: title #, fuzzy, no-c-format msgid "Install the Cluster Management Software" msgstr "Instalați Software-ul de Cluster" #. Tag: para #, no-c-format msgid "The pcs cli command coupled with the pcs daemon creates a cluster management system capable of managing all aspects of the cluster stack across all nodes from a single location." msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y pcs" msgstr "" #. Tag: para #, no-c-format msgid "Make sure to install the pcs packages on both nodes." msgstr "" #. Tag: title #, no-c-format msgid "Setup" msgstr "Setup" #. Tag: title #, no-c-format msgid "Enable pcs Daemon" msgstr "" #. Tag: para #, no-c-format msgid "Before the cluster can be configured, the pcs daemon must be started and enabled to boot on startup on each node. This daemon works with the pcs cli command to manage syncing the corosync configuration across all the nodes in the cluster." msgstr "" #. Tag: para #, no-c-format msgid "Start and enable the daemon by issuing the following commands on each node." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start pcsd.service\n" "# systemctl enable pcsd.service" msgstr "" #. Tag: para #, no-c-format msgid "Now we need a way for pcs to talk to itself on other nodes in the cluster. This is necessary in order to perform tasks such as syncing the corosync config, or starting/stopping the cluster on remote nodes" msgstr "" #. Tag: para #, no-c-format msgid "While pcs can be used locally without setting up these user accounts, this tutorial will make use of these remote access commands, so we will set a password for the hacluster user. Its probably best if password is consistent across all the nodes." msgstr "" #. Tag: para #, no-c-format msgid "As root, run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# passwd hacluster\n" "password:" msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, to script this process or set the password on a different machine to the one you’re logged into, you can use the --stdin option for passwd:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- 'echo redhat1 | passwd --stdin hacluster'" msgstr "" #. Tag: title #, no-c-format msgid "Notes on Multicast Address Assignment" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There are several subtle points that often deserve consideration when choosing/assigning multicast addresses. This information is borrowed from, the now defunct, http://web.archive.org/web/20101211210054/http://29west.com/docs/THPM/multicast-address-assignment.html" msgstr "Asigurați-vă că valorile pe care le alegeți nu dau conflicte cu alte clustere existente pe care le-ați putea avea. Pentru sfaturi în privința alegerii unei adrese multicast, vedeți http://www.29west.com/docs/THPM/multicast-address-assignment.html " #. Tag: para #, no-c-format msgid "Avoid 224.0.0.x" msgstr "" #. Tag: para #, no-c-format msgid "Traffic to addresses of the form 224.0.0.x is often flooded to all switch ports. This address range is reserved for link-local uses. Many routing protocols assume that all traffic within this range will be received by all routers on the network. Hence (at least all Cisco) switches flood traffic within this range. The flooding behavior overrides the normal selective forwarding behavior of a multicast-aware switch (e.g. IGMP snooping, CGMP, etc.)." msgstr "" #. Tag: para #, no-c-format msgid "Watch for 32:1 overlap" msgstr "" #. Tag: para #, no-c-format msgid "32 non-contiguous IP multicast addresses are mapped onto each Ethernet multicast address. A receiver that joins a single IP multicast group implicitly joins 31 others due to this overlap. Of course, filtering in the operating system discards undesired multicast traffic from applications, but NIC bandwidth and CPU resources are nonetheless consumed discarding it. The overlap occurs in the 5 high-order bits, so it’s best to use the 23 low-order bits to make distinct multicast streams unique. For example, IP multicast addresses in the range 239.0.0.0 to 239.127.255.255 all map to unique Ethernet multicast addresses. However, IP multicast address 239.128.0.0 maps to the same Ethernet multicast address as 239.0.0.0, 239.128.0.1 maps to the same Ethernet multicast address as 239.0.0.1, etc." msgstr "" #. Tag: para #, no-c-format msgid "Avoid x.0.0.y and x.128.0.y" msgstr "" #. Tag: para #, no-c-format msgid "Combining the above two considerations, it’s best to avoid using IP multicast addresses of the form x.0.0.y and x.128.0.y since they all map onto the range of Ethernet multicast addresses that are flooded to all switch ports." msgstr "" #. Tag: para #, no-c-format msgid "Watch for address assignment conflicts" msgstr "" #. Tag: para #, no-c-format msgid "IANA administers Internet multicast addresses. Potential conflicts with Internet multicast address assignments can be avoided by using GLOP addressing (AS required) or administratively scoped addresses. Such addresses can be safely used on a network connected to the Internet without fear of conflict with multicast sources originating on the Internet. Administratively scoped addresses are roughly analogous to the unicast address space for private internets. Site-local multicast addresses are of the form 239.255.x.y, but can grow down to 239.252.x.y if needed. Organization-local multicast addresses are of the form 239.192-251.x.y, but can grow down to 239.x.y.z if needed." msgstr "" #. Tag: para #, no-c-format msgid "For a more detailed treatment (57 pages!), see Cisco’s Guidelines for Enterprise IP Multicast Address Allocation paper." msgstr "" #. Tag: title #, no-c-format msgid "Configuring Corosync" msgstr "Configurarea Corosync" #. Tag: para #, no-c-format msgid "In the past, at this point in the tutorial an explanation of how to configure and propagate corosync’s /etc/corosync.conf file would be necessary. Using pcs with the pcs daemon greatly simplifies this process by generating corosync.conf across all the nodes in the cluster with a single command. The only thing required to achieve this is to authenticate as the pcs user hacluster on one of the nodes in the cluster, and then issue the pcs cluster setup command with a list of all the node names in the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster auth pcmk-1 pcmk-2\n" "Username: hacluster\n" "Password:\n" "pcmk-1: Authorized\n" "pcmk-2: Authorized\n" "\n" "# pcs cluster setup mycluster pcmk-1 pcmk-2\n" "pcmk-1: Succeeded\n" "pcmk-2: Succeeded" msgstr "" #. Tag: para #, no-c-format msgid "That’s it. Corosync is configured across the cluster. If you received an authorization error for either of those commands, make sure you setup the hacluster user account and password on every node in the cluster with the same password." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The final /etc/corosync.conf configuration on each node should look something like the sample in Appendix B, Sample Corosync Configuration." msgstr "Configurația finală ar trebui să arate ceva similar cu exemplul din ." #. Tag: para #, no-c-format msgid "Pacemaker used to obtain membership and quorum from a custom Corosync plugin. This plugin also had the capability to start Pacemaker automatically when Corosync was started." msgstr "" #. Tag: para #, no-c-format msgid "Neither behavior is possible with Corosync 2.0 and beyond as support for plugins was removed." msgstr "" #. Tag: para #, no-c-format msgid "Instead, Pacemaker must be started as a separate job/initscript. Also, since Pacemaker made use of the plugin for message routing, a node using the plugin (Corosync prior to 2.0) cannot talk to one that isn’t (Corosync 2.0+)." msgstr "" #. Tag: para #, no-c-format msgid "Rolling upgrades between these versions are therefor not possible and an alternate strategy http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html must be used." msgstr "" #~ msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html and boot from it. Or use the image to boot a virtual machine as I have done here. After clicking through the welcome screen, select your language and keyboard layout http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgstr "Scrieți imaginea pe un DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html și bootați de pe acesta. Sau folosiți imaginea pentru a boota o mașină virtuală așa cum am făcut aici. După ce ați selectat prin ecranul de început, selectați limba voastră și așezarea tastaturii http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgid "Fedora Installation - Welcome" #~ msgstr "Instalarea Fedora - Bine ați venit" #~ msgid "Fedora Installation: Good choice" #~ msgstr "Instalarea Fedora: O alegere bună" #~ msgid "Fedora Installation - Storage Devices" #~ msgstr "Instalarea Fedora - Dispozitive de Stocare" #~ msgid "Fedora Installation: Storage Devices" #~ msgstr "Instalarea Fedora: Dispozitive de Stocare" #~ msgid "Fedora Installation - Hostname" #~ msgstr "Instalarea Fedora - Nume de gazdă" #~ msgid "Fedora Installation: Choose a hostname" #~ msgstr "Instalarea Fedora: Alegeți un nume pentru gazdă" #~ msgid "Fedora Installation - Installation Type" #~ msgstr "Instalarea Fedora - Tipul de Instalare" #~ msgid "Fedora Installation: Choose an installation type" #~ msgstr "Instalarea Fedora: Alegeți tipul de instalare" #~ msgid "By default, Fedora will give all the space to the / (aka. root) partition. Wel'll take some back so we can use DRBD." #~ msgstr "În mod implicit, Fedora va da tot spațiul către partiția / (root). Vom lua ceva din acesta înapoi pentru a putea folosi DRBD. " #~ msgid "Fedora Installation - Default Partitioning" #~ msgstr "Instalarea Fedora - Partiționarea Implicită" #~ msgid "The finalized partition layout should look something like the diagram below." #~ msgstr "Așezarea finalizată a partițiilor ar trebui să arate asemănător cu diagrama de mai jos. " #~ msgid "If you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume." #~ msgstr "Dacă plănuiți să urmați porțiunile referitoare la DRBD sau GFS2 ale acestui ghid, ar trebui să rezervați cel puțin 1Gb de spațiu pe fieare mașină din care să creați un volum partajat." #~ msgid "Fedora Installation - Customize Partitioning" #~ msgstr "Instalarea Fedora - Customizarea Partiționării" #~ msgid "Fedora Installation: Create a partition to use (later) for website data" #~ msgstr "Instalarea Fedora: Creați o partiție pentru a o folosi (mai târziu) pentru datele website-ului" #~ msgid "Fedora Installation - Bootloader" #~ msgstr "Instalarea Fedora - Bootloader" #~ msgid "Fedora Installation: Unless you have a strong reason not to, accept the default bootloader location" #~ msgstr "Instalarea Fedora: Decât dacă aveți un motiv puternic împotriva acestui lucru, acceptați locația implicită pentru bootloader" #~ msgid "Fedora Installation - Software" #~ msgstr "Instalarea Fedora - Software" #~ msgid "Fedora Installation: Software selection" #~ msgstr "Instalarea Fedora: Selecția software-ului" #~ msgid "Fedora Installation - Installing" #~ msgstr "Instalarea Fedora - Instalează" #~ msgid "Fedora Installation - Installation Complete" #~ msgstr "Instalarea Fedora - Instalarea a Terminat" #~ msgid "Fedora Installation: Stage 1, completed" #~ msgstr "Instalarea Fedora: Stadiul 1, terminat" #~ msgid "Once the node reboots, follow the on screen instructions http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html to create a system user and configure the time." #~ msgstr "Odată ce nodul repornește, urmați instrucțiunile de pe ecran http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html pentru a crea un utilizator de system și pentru a configura ora." #~ msgid "Fedora Installation - First Boot" #~ msgstr "Instalarea Fedora - Primul Boot" #~ msgid "Fedora Installation - Create Non-privileged User" #~ msgstr "Instalarea Fedora - Creați un Utilizator Neprivilegiat" #~ msgid "Fedora Installation: Creating a non-privileged user, take note of the password, you'll need it soon" #~ msgstr "Instalarea Fedora: Creând un utilizator neprivilegiat, rețineți parola, o să aveți nevoie de ea în curând" #~ msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier." #~ msgstr "Este foarte recomandat să activați NTP-ul pe nodurile din cluster. Realizând acest lucru asigură câ toate nodurile sunt de acord asupra datei curente și acest lucru face citirea fișierelor de log semnificativ mai ușoară." #~ msgid "Fedora Installation - Date and Time" #~ msgstr "Instalarea Fedora - Data și Ora" #~ msgid "Fedora Installation: Enable NTP to keep the times on all your nodes consistent" #~ msgstr "Instalarea Fedora: Activați NTP pentru a menține data consistentă pe noate nodurile" #~ msgid "Click through the next screens until you reach the login window. Click on the user you created and supply the password you indicated earlier." #~ msgstr "Selectați cu mouse-ul prin următorul ecran până ajungeți la fereastra de login. Selectați utilizatorul pe care l-ați creat și furnizați parola pe care ați ales-o mai devreme." #~ msgid "Fedora Installation - Customize Networking" #~ msgstr "Instalarea Fedora - Personalizați Rețeaua" #~ msgid "Fedora Installation: Click here to configure networking" #~ msgstr "Instalarea Fedora: Selectați aici pentru a configura rețeaua" #~ msgid "Fedora Installation - Specify Network Preferences" #~ msgstr "Instalarea Fedora - Specificați Preferințele de Rețea" #~ msgid "Fedora Installation: Specify network settings for your machine, never choose DHCP" #~ msgstr "Instalarea Fedora: Specificați setările de rețea pentru mașina voastră, să nu alegeți niciodată DHCP" #~ msgid "Fedora Installation - Activate Networking" #~ msgstr "Instalarea Fedora - Activați Rețeaua" #~ msgid "Fedora Installation: Click the big green button to activate your changes" #~ msgstr "Instalarea Fedora: Selectați butonul mare verde pentru a activa modificările voastre" #~ msgid "Fedora Installation - Bring up the Terminal" #~ msgstr "Instalarea Fedora - Porniți Terminalul" #~ msgid "Fedora Installation: Down to business, fire up the command line" #~ msgstr "Instalarea Fedora: Să trecem la afaceri, porniți linia de comandă" #~ msgid "Go to the terminal window you just opened and switch to the super user (aka. \"root\") account with the su command. You will need to supply the password you entered earlier during the installation process." #~ msgstr "Mergeți la fereastra de terminal pe care tocmai ați deschis-o și schimbați la contul de super utilizator (adică la \"root\") cu comanda su. Va trebui să furnizați parola pe care ați introdus-o mai devreme în timpul procesului de instalare." #~ msgid "" #~ "\n" #~ "[beekhof@pcmk-1 ~]$ su -\n" #~ "Password:\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[beekhof@pcmk-1 ~]$ su -\n" #~ "Password:\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgid "Note that the username (the text before the @ symbol) now indicates we’re running as the super user “root”." #~ msgstr "Luați aminte că numele de utilizator (textul dinaintea simbolului @) acum indică faptul că rulăm ca super utilizatorul \"root\"." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ip addr\n" #~ "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \n" #~ " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" #~ " inet 127.0.0.1/8 scope host lo\n" #~ " inet6 ::1/128 scope host \n" #~ " valid_lft forever preferred_lft forever\n" #~ "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000\n" #~ " link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff\n" #~ " inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0\n" #~ " inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591667sec preferred_lft 604467sec\n" #~ " inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591990sec preferred_lft 604790sec\n" #~ " inet6 fe80::20c:29ff:fe6f:e158/64 scope link \n" #~ " valid_lft forever preferred_lft forever\n" #~ "[root@pcmk-1 ~]# ping -c 1 www.google.com\n" #~ "PING www.l.google.com (74.125.39.99) 56(84) bytes of data.\n" #~ "64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms\n" #~ "\n" #~ "--- www.l.google.com ping statistics ---\n" #~ "1 packets transmitted, 1 received, 0% packet loss, time 20ms\n" #~ "rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig network on\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ip addr\n" #~ "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \n" #~ " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" #~ " inet 127.0.0.1/8 scope host lo\n" #~ " inet6 ::1/128 scope host \n" #~ " valid_lft forever preferred_lft forever\n" #~ "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000\n" #~ " link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff\n" #~ " inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0\n" #~ " inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591667sec preferred_lft 604467sec\n" #~ " inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591990sec preferred_lft 604790sec\n" #~ " inet6 fe80::20c:29ff:fe6f:e158/64 scope link \n" #~ " valid_lft forever preferred_lft forever\n" #~ "[root@pcmk-1 ~]# ping -c 1 www.google.com\n" #~ "PING www.l.google.com (74.125.39.99) 56(84) bytes of data.\n" #~ "64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms\n" #~ "\n" #~ "--- www.l.google.com ping statistics ---\n" #~ "1 packets transmitted, 1 received, 0% packet loss, time 20ms\n" #~ "rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig network on\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig --del iptables\n" #~ "[root@pcmk-1 ~]# service iptables stop\n" #~ "iptables: Flushing firewall rules: [ OK ]\n" #~ "iptables: Setting chains to policy ACCEPT: filter [ OK ]\n" #~ "iptables: Unloading modules: [ OK ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig --del iptables\n" #~ "[root@pcmk-1 ~]# service iptables stop\n" #~ "iptables: Flushing firewall rules: [ OK ]\n" #~ "iptables: Setting chains to policy ACCEPT: filter [ OK ]\n" #~ "iptables: Unloading modules: [ OK ]\n" #~ " " #~ msgid "You will need to reboot for the SELinux changes to take effect. Otherwise you will see something like this when you start corosync:" #~ msgstr "Va trebui să reporniți pentru ca modificările de SELinux să ia effect. Altfel ați vedea ceva similar cu acesta când veți porni corosync:" #~ msgid "" #~ "\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "\t" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora.repo\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora-updates.repo\n" #~ "[root@pcmk-1 ~]# yum install -y pacemaker corosync\n" #~ "Loaded plugins: presto, refresh-packagekit\n" #~ "fedora/metalink \t | 22 kB 00:00 \n" #~ "fedora-debuginfo/metalink \t | 16 kB 00:00 \n" #~ "fedora-debuginfo \t | 3.2 kB 00:00 \n" #~ "fedora-debuginfo/primary_db \t | 1.4 MB 00:04 \n" #~ "fedora-source/metalink \t | 22 kB 00:00 \n" #~ "fedora-source \t | 3.2 kB 00:00 \n" #~ "fedora-source/primary_db \t | 3.0 MB 00:05 \n" #~ "updates/metalink \t | 26 kB 00:00 \n" #~ "updates \t | 2.6 kB 00:00 \n" #~ "updates/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-debuginfo/metalink \t | 18 kB 00:00 \n" #~ "updates-debuginfo \t | 2.6 kB 00:00 \n" #~ "updates-debuginfo/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-source/metalink \t | 25 kB 00:00 \n" #~ "updates-source \t | 2.6 kB 00:00 \n" #~ "updates-source/primary_db \t | 1.1 kB 00:00 \n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "---> Package pacemaker.x86_64 0:1.1.5-1.fc13 set to be updated\n" #~ "--> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: resource-agents for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "--> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64\n" #~ "---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated\n" #~ "---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "--> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64\n" #~ "---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "---> Package pacemaker-libs.x86_64 0:1.1.5-1.fc13 set to be updated\n" #~ "---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated\n" #~ "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated\n" #~ "---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated\n" #~ "---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated\n" #~ "--> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64\n" #~ "---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated\n" #~ "---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated\n" #~ "---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated\n" #~ "---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated\n" #~ "---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora.repo\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora-updates.repo\n" #~ "[root@pcmk-1 ~]# yum install -y pacemaker corosync\n" #~ "Loaded plugins: presto, refresh-packagekit\n" #~ "fedora/metalink \t | 22 kB 00:00 \n" #~ "fedora-debuginfo/metalink \t | 16 kB 00:00 \n" #~ "fedora-debuginfo \t | 3.2 kB 00:00 \n" #~ "fedora-debuginfo/primary_db \t | 1.4 MB 00:04 \n" #~ "fedora-source/metalink \t | 22 kB 00:00 \n" #~ "fedora-source \t | 3.2 kB 00:00 \n" #~ "fedora-source/primary_db \t | 3.0 MB 00:05 \n" #~ "updates/metalink \t | 26 kB 00:00 \n" #~ "updates \t | 2.6 kB 00:00 \n" #~ "updates/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-debuginfo/metalink \t | 18 kB 00:00 \n" #~ "updates-debuginfo \t | 2.6 kB 00:00 \n" #~ "updates-debuginfo/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-source/metalink \t | 25 kB 00:00 \n" #~ "updates-source \t | 2.6 kB 00:00 \n" #~ "updates-source/primary_db \t | 1.1 kB 00:00 \n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "---> Package pacemaker.x86_64 0:1.1.5-1.fc13 set to be updated\n" #~ "--> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: resource-agents for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.5-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "--> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64\n" #~ "---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated\n" #~ "---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "--> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64\n" #~ "---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "---> Package pacemaker-libs.x86_64 0:1.1.5-1.fc13 set to be updated\n" #~ "---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated\n" #~ "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated\n" #~ "---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated\n" #~ "---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated\n" #~ "--> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64\n" #~ "---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated\n" #~ "---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated\n" #~ "---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated\n" #~ "---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated\n" #~ "---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ " " #~ msgid "" #~ "\n" #~ "==========================================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "==========================================================================================\n" #~ "Installing:\n" #~ " corosync x86_64 1.2.1-1.fc13 fedora 136 k\n" #~ " pacemaker x86_64 1.1.5-1.fc13 fedora 543 k\n" #~ "Installing for dependencies:\n" #~ " OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k\n" #~ " PyXML x86_64 0.8.4-17.fc13 fedora 906 k\n" #~ " cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k\n" #~ " cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k\n" #~ " corosynclib x86_64 1.2.1-1.fc13 fedora 145 k\n" #~ " heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k\n" #~ " heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k\n" #~ " libesmtp x86_64 1.0.4-12.fc12 fedora 54 k\n" #~ " libibverbs x86_64 1.1.3-4.fc13 fedora 42 k\n" #~ " libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k\n" #~ " libnet x86_64 1.1.4-3.fc12 fedora 49 k\n" #~ " librdmacm x86_64 1.0.10-2.fc13 fedora 22 k\n" #~ " lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k\n" #~ " net-snmp x86_64 1:5.5-12.fc13 fedora 295 k\n" #~ " net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M\n" #~ " openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k\n" #~ " pacemaker-libs x86_64 1.1.5-1.fc13 fedora 264 k\n" #~ " perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k\n" #~ " resource-agents x86_64 3.0.10-1.fc13 fedora 357 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=========================================================================================\n" #~ "Install 21 Package(s)\n" #~ "Upgrade 0 Package(s)\n" #~ "\n" #~ "Total download size: 5.7 M\n" #~ "Installed size: 20 M\n" #~ "Downloading Packages:\n" #~ "Setting up and reading Presto delta metadata\n" #~ "updates-testing/prestodelta | 164 kB 00:00 \n" #~ "fedora/prestodelta | 150 B 00:00 \n" #~ "Processing delta metadata\n" #~ "Package(s) data still to download: 5.7 M\n" #~ "(1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 \n" #~ "(2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 \n" #~ "(3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 \n" #~ "(4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 \n" #~ "(5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 \n" #~ "(6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 \n" #~ "(7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 \n" #~ "(8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 \n" #~ "(9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 \n" #~ "(10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 \n" #~ "(11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 \n" #~ "(12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 \n" #~ "(13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 \n" #~ "(14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 \n" #~ "(15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 \n" #~ "(16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 \n" #~ "(17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 \n" #~ "(18/21): pacemaker-1.1.5-1.fc13.x86_64.rpm | 543 kB 00:00 \n" #~ "(19/21): pacemaker-libs-1.1.5-1.fc13.x86_64.rpm | 264 kB 00:00 \n" #~ "(20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 \n" #~ "(21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total 539 kB/s | 5.7 MB 00:10 \n" #~ "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY\n" #~ "fedora/gpgkey | 3.2 kB 00:00 ... \n" #~ "Importing GPG key 0xE8E40FDE \"Fedora (13) <fedora@fedoraproject.org%gt;\" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" #~ " " #~ msgstr "" #~ "\n" #~ "==========================================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "==========================================================================================\n" #~ "Installing:\n" #~ " corosync x86_64 1.2.1-1.fc13 fedora 136 k\n" #~ " pacemaker x86_64 1.1.5-1.fc13 fedora 543 k\n" #~ "Installing for dependencies:\n" #~ " OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k\n" #~ " PyXML x86_64 0.8.4-17.fc13 fedora 906 k\n" #~ " cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k\n" #~ " cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k\n" #~ " corosynclib x86_64 1.2.1-1.fc13 fedora 145 k\n" #~ " heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k\n" #~ " heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k\n" #~ " libesmtp x86_64 1.0.4-12.fc12 fedora 54 k\n" #~ " libibverbs x86_64 1.1.3-4.fc13 fedora 42 k\n" #~ " libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k\n" #~ " libnet x86_64 1.1.4-3.fc12 fedora 49 k\n" #~ " librdmacm x86_64 1.0.10-2.fc13 fedora 22 k\n" #~ " lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k\n" #~ " net-snmp x86_64 1:5.5-12.fc13 fedora 295 k\n" #~ " net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M\n" #~ " openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k\n" #~ " pacemaker-libs x86_64 1.1.5-1.fc13 fedora 264 k\n" #~ " perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k\n" #~ " resource-agents x86_64 3.0.10-1.fc13 fedora 357 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=========================================================================================\n" #~ "Install 21 Package(s)\n" #~ "Upgrade 0 Package(s)\n" #~ "\n" #~ "Total download size: 5.7 M\n" #~ "Installed size: 20 M\n" #~ "Downloading Packages:\n" #~ "Setting up and reading Presto delta metadata\n" #~ "updates-testing/prestodelta | 164 kB 00:00 \n" #~ "fedora/prestodelta | 150 B 00:00 \n" #~ "Processing delta metadata\n" #~ "Package(s) data still to download: 5.7 M\n" #~ "(1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 \n" #~ "(2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 \n" #~ "(3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 \n" #~ "(4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 \n" #~ "(5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 \n" #~ "(6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 \n" #~ "(7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 \n" #~ "(8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 \n" #~ "(9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 \n" #~ "(10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 \n" #~ "(11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 \n" #~ "(12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 \n" #~ "(13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 \n" #~ "(14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 \n" #~ "(15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 \n" #~ "(16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 \n" #~ "(17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 \n" #~ "(18/21): pacemaker-1.1.5-1.fc13.x86_64.rpm | 543 kB 00:00 \n" #~ "(19/21): pacemaker-libs-1.1.5-1.fc13.x86_64.rpm | 264 kB 00:00 \n" #~ "(20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 \n" #~ "(21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total 539 kB/s | 5.7 MB 00:10 \n" #~ "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY\n" #~ "fedora/gpgkey | 3.2 kB 00:00 ... \n" #~ "Importing GPG key 0xE8E40FDE \"Fedora (13) <fedora@fedoraproject.org%gt;\" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" #~ " " #~ msgid "" #~ "\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 \n" #~ " Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 \n" #~ " Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 \n" #~ " Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 \n" #~ " Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 \n" #~ " Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 \n" #~ " Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 \n" #~ " Installing : corosync-1.2.1-1.fc13.x86_64 8/21 \n" #~ " Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 \n" #~ " Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 \n" #~ " Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 \n" #~ " Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 \n" #~ " Installing : libnet-1.1.4-3.fc12.x86_64 13/21 \n" #~ " Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 \n" #~ " Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 \n" #~ " Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 \n" #~ " Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 \n" #~ " Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 \n" #~ " Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 \n" #~ " Installing : pacemaker-1.1.5-1.fc13.x86_64 20/21 \n" #~ " Installing : pacemaker-libs-1.1.5-1.fc13.x86_64 21/21 \n" #~ "\n" #~ "Installed:\n" #~ " corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.5-1.fc13 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 \n" #~ " PyXML.x86_64 0:0.8.4-17.fc13 \n" #~ " cluster-glue.x86_64 0:1.0.2-1.fc13 \n" #~ " cluster-glue-libs.x86_64 0:1.0.2-1.fc13 \n" #~ " corosynclib.x86_64 0:1.2.1-1.fc13 \n" #~ " heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " libesmtp.x86_64 0:1.0.4-12.fc12 \n" #~ " libibverbs.x86_64 0:1.1.3-4.fc13 \n" #~ " libmlx4.x86_64 0:1.0.1-5.fc13 \n" #~ " libnet.x86_64 0:1.1.4-3.fc12 \n" #~ " librdmacm.x86_64 0:1.0.10-2.fc13 \n" #~ " lm_sensors-libs.x86_64 0:3.1.2-2.fc13 \n" #~ " net-snmp.x86_64 1:5.5-12.fc13 \n" #~ " net-snmp-libs.x86_64 1:5.5-12.fc13 \n" #~ " openhpi-libs.x86_64 0:2.14.1-3.fc13 \n" #~ " pacemaker-libs.x86_64 0:1.1.5-1.fc13 \n" #~ " perl-TimeDate.noarch 1:1.20-1.fc13 \n" #~ " resource-agents.x86_64 0:3.0.10-1.fc13 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgstr "" #~ "\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 \n" #~ " Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 \n" #~ " Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 \n" #~ " Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 \n" #~ " Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 \n" #~ " Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 \n" #~ " Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 \n" #~ " Installing : corosync-1.2.1-1.fc13.x86_64 8/21 \n" #~ " Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 \n" #~ " Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 \n" #~ " Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 \n" #~ " Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 \n" #~ " Installing : libnet-1.1.4-3.fc12.x86_64 13/21 \n" #~ " Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 \n" #~ " Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 \n" #~ " Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 \n" #~ " Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 \n" #~ " Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 \n" #~ " Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 \n" #~ " Installing : pacemaker-1.1.5-1.fc13.x86_64 20/21 \n" #~ " Installing : pacemaker-libs-1.1.5-1.fc13.x86_64 21/21 \n" #~ "\n" #~ "Installed:\n" #~ " corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.5-1.fc13 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 \n" #~ " PyXML.x86_64 0:0.8.4-17.fc13 \n" #~ " cluster-glue.x86_64 0:1.0.2-1.fc13 \n" #~ " cluster-glue-libs.x86_64 0:1.0.2-1.fc13 \n" #~ " corosynclib.x86_64 0:1.2.1-1.fc13 \n" #~ " heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " libesmtp.x86_64 0:1.0.4-12.fc12 \n" #~ " libibverbs.x86_64 0:1.1.3-4.fc13 \n" #~ " libmlx4.x86_64 0:1.0.1-5.fc13 \n" #~ " libnet.x86_64 0:1.1.4-3.fc12 \n" #~ " librdmacm.x86_64 0:1.0.10-2.fc13 \n" #~ " lm_sensors-libs.x86_64 0:3.1.2-2.fc13 \n" #~ " net-snmp.x86_64 1:5.5-12.fc13 \n" #~ " net-snmp-libs.x86_64 1:5.5-12.fc13 \n" #~ " openhpi-libs.x86_64 0:2.14.1-3.fc13 \n" #~ " pacemaker-libs.x86_64 0:1.1.5-1.fc13 \n" #~ " perl-TimeDate.noarch 1:1.20-1.fc13 \n" #~ " resource-agents.x86_64 0:3.0.10-1.fc13 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgid "Verify Connectivity by IP address" #~ msgstr "Verificați Conectivitatea după Adresa IP" #~ msgid "Set up /etc/hosts entries" #~ msgstr "Setați intrările din /etc/hosts" #~ msgid "Verify Connectivity by Hostname" #~ msgstr "Verificați Conectivitatea după Numele Gazdei" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1.clusterlabs.org\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1.clusterlabs.org\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# source /etc/sysconfig/network\n" #~ "[root@pcmk-1 ~]# hostname $HOSTNAME\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# source /etc/sysconfig/network\n" #~ "[root@pcmk-1 ~]# hostname $HOSTNAME\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgid "Now repeat on pcmk-2." #~ msgstr "Acum repetați pe pcmk-2." #~ msgid "Choose a port number and multicast http://en.wikipedia.org/wiki/Multicast address. http://en.wikipedia.org/wiki/Multicast_address " #~ msgstr "Alegeți un număr de port și o http://en.wikipedia.org/wiki/Multicast adresă multicast. http://en.wikipedia.org/wiki/Multicast_address " #~ msgid "For this document, I have chosen port 4000 and used 226.94.1.1 as the multicast address." #~ msgstr "Pentru acest document, am ales portul 4000 și am folosit 226.94.1.1 ca adresă multicast" #~ msgid "The instructions below only apply for a machine with a single NIC. If you have a more complicated setup, you should edit the configuration manually." #~ msgstr "Instrucțiunile de mai jos se aplică numai pentru o mașină cu o singură placă de rețea. Dacă aveți un setup mai complicat, ar trebui să editați configurația manual." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# export ais_port=4000\n" #~ "[root@pcmk-1 ~]# export ais_mcast=226.94.1.1\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# export ais_port=4000\n" #~ "[root@pcmk-1 ~]# export ais_mcast=226.94.1.1\n" #~ " " #~ msgid "Next we automatically determine the hosts address. By not using the full address, we make the configuration suitable to be copied to other nodes." #~ msgstr "În continuare determinăm în mod automat adresa gazdelor. Nefolosind adresa completă, facem configurația fezabilă pentru a fi copiată pe alte noduri." #~ msgid "[root@pcmk-1 ~]# export ais_addr=`ip addr | grep \"inet \" | tail -n 1 | awk '{print $4}' | sed s/255/0/`" #~ msgstr "[root@pcmk-1 ~]# export ais_addr=`ip addr | grep \"inet \" | tail -n 1 | awk '{print $4}' | sed s/255/0/`" #~ msgid "Display and verify the configuration options" #~ msgstr "Listați și verificați opțiunile de configurare" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# env | grep ais_\n" #~ "ais_mcast=226.94.1.1\n" #~ "ais_port=4000\n" #~ "ais_addr=192.168.122.0\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# env | grep ais_\n" #~ "ais_mcast=226.94.1.1\n" #~ "ais_port=4000\n" #~ "ais_addr=192.168.122.0\n" #~ " " #~ msgid "Once you're happy with the chosen values, update the Corosync configuration" #~ msgstr "Odată ce sunteți mulțumiți cu valorile alese, actualizați configurația Corosync" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastaddr:.*/mcastaddr:\\ $ais_mcast/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastport:.*/mcastport:\\ $ais_port/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*bindnetaddr:.*/bindnetaddr:\\ $ais_addr/g\" /etc/corosync/corosync.conf\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastaddr:.*/mcastaddr:\\ $ais_mcast/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastport:.*/mcastport:\\ $ais_port/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*bindnetaddr:.*/bindnetaddr:\\ $ais_addr/g\" /etc/corosync/corosync.conf\n" #~ " " #~ msgid "Finally, tell Corosync to load the Pacemaker plugin." #~ msgstr "În sfârșit, spuneți Corosync-ului să încarce plugin-ul de Pacemaker." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk\n" #~ "service {\n" #~ " # Load the Pacemaker Cluster Resource Manager\n" #~ " name: pacemaker\n" #~ " ver: 1\n" #~ "}\n" #~ "END\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk\n" #~ "service {\n" #~ " # Load the Pacemaker Cluster Resource Manager\n" #~ " name: pacemaker\n" #~ " ver: 1\n" #~ "}\n" #~ "END\n" #~ " " #~ msgid "When run in version 1 mode, the plugin does not start the Pacemaker daemons. Instead it just sets up the quorum and messaging interfaces needed by the rest of the stack." #~ msgstr "Când rulează în modul versiunea 1, plugin-ul nu pornește daemonii Pacemaker-ului. În schimb doar setează quorum-ul și interfețele de mesagerie necesitate de către restul stivei." #~ msgid "Starting the dameons occurs when the Pacemaker init script is invoked. This resolves two long standing issues:" #~ msgstr "Pornirea daemonilor se întâmplă când scriptul de init al Pacemaker este invocat. Acest lucru rezolvă două probleme existente de mult timp: " #~ msgid "Forking inside a multi-threaded process like Corosync causes all sorts of pain. This has been problematic for Pacemaker as it needs a number of daemons to be spawned." #~ msgstr "Forking-ul înăuntrul unui proces multi-threaded precum Corosync cauzează tot felul de probleme. Acest lucru a fost problematic pentru Pacemaker din moment ce acesta are nevoie de un număr de daemoni să fie lansați în execuție." #~ msgid "Corosync was never designed for staggered shutdown - something previously needed in order to prevent the cluster from leaving before Pacemaker could stop all active resources." #~ msgstr "Corosync nu a fost niciodată conceput pentru închiderea în pași - un aspect necesar anterior pentru a preveni clusterul din a ieși înainte ca Pacemaker să poată opri toate resursele active." #~ msgid "Propagate the Configuration" #~ msgstr "Propagarea Configurației" #~ msgid "Now we need to copy the changes so far to the other node:" #~ msgstr "Acum trebuie să copiem modificările făcute până acum pe celălalt nod:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done\n" #~ "corosync.conf 100% 1528 1.5KB/s 00:00\n" #~ "hosts 100% 281 0.3KB/s 00:00\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done\n" #~ "corosync.conf 100% 1528 1.5KB/s 00:00\n" #~ "hosts 100% 281 0.3KB/s 00:00\n" #~ "[root@pcmk-1 ~]#\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Intro.po000066400000000000000000000447501217637305600243070ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-25 09:08+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "Citeşte-mă-Întâi-pe-Mine" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "Domeniul de Aplicare al acestui Document" #. Tag: para #, no-c-format msgid "Computer clusters can be used to provide highly available services or resources. The redundancy of multiple machines is used to guard against failures of many types." msgstr "Clusterele de calculatoare pot fi folosite pentru a furniza servicii sau resurse cu disponibilitate crescută. Redundanța mai multor mașini este folosită pentru a proteja împotriva eșecurilor de multe feluri." #. Tag: para #, no-c-format msgid "This document will walk through the installation and setup of simple clusters using the Fedora distribution, version 17." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The clusters described here will use Pacemaker and Corosync to provide resource management and messaging. Required packages and modifications to their configuration files are described along with the use of the Pacemaker command line tool for generating the XML used for cluster control." msgstr "Acest document va merge prin instalarea și setarea de clustere simple folosind distribuția Fedora, versiunea 14. Clusterele descrise aici vor folosi Pacemaker și Corosync pentru a furniza gestiunea și mesageria resurselor. Pachetele necesare și modificările realizate fișierelor de configurare ale acestora sunt descrise împreună cu folosirea utilitarului din linie de comandă al Pacemaker-ului pentru generarea XML-ului folosit pentru controlul clusterului." #. Tag: para #, no-c-format msgid "Pacemaker is a central component and provides the resource management required in these systems. This management includes detecting and recovering from the failure of various nodes, resources and services under its control." msgstr "Pacemaker este o componentă centrală și furnizează gestiunea resurselor necesară în aceste sisteme. Această gestiune include detectarea și recuperarea de la eșecul diverselor noduri, resurselor și serviciilor care sunt sub controlul acestuia." #. Tag: para #, no-c-format msgid "When more in depth information is required and for real world usage, please refer to the Pacemaker Explained manual." msgstr "Când sunt necesare informații mai aprofundate și pentru utilizarea în lumea reală, vă rugăm să faceți referință la manualul Pacemaker Explained." #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "Ce Este Pacemaker?" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat)." msgstr "Pacemaker este un gestionar de resurse în cluster. Atinge disponibilitatea maximă pentru serviciile voastre din cluster (cunoscute drept resurse/le) prin detectarea şi recuperarea din eşecuri la nivel de nod sau de resursă prin folosirea capabilităţilor de mesagerie şi apartenenţă furnizate de infrastructura voastră preferată de cluster (fie Corosync sau Heartbeat)." #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker’s key features include:" msgstr "Caracteristicile cheie ale Pacemaker includ:" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "Detectarea şi recuperarea eşecurilor la nivel de nod şi serviciu" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "Agnostic d.p.d.v. al stocării, nu sunt cerinţe pentru spaţiu de stocare partajat" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "Agnostic d.p.d.v. al resurselor, orice poate fi scriptat poate fi folosit într-un cluster" #. Tag: para #, fuzzy, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "Suportă STONITH pentru asigurarea integrităţii datelor" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "Suportă clustere mici şi mari" #. Tag: para #, fuzzy, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "Suportă clustere mici şi mari" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "Configuraţie replicată în mod automat care poate fi actualizată de pe orice nod" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "Abilitatea de a specifica ordonare, colocare şi anti-colocare la nivelul întregului cluster" #. Tag: para #, no-c-format msgid "Support for advanced service types" msgstr "Suport pentru tipuri de servicii avansate" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "Clone: pentru servicii care trebuie să fie active pe mai multe noduri" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "Stări-multiple: pentru servicii cu mai multe moduri de operare (ex. master/slave, primar/secundar)" #. Tag: para #, fuzzy, no-c-format msgid "Unified, scriptable, cluster management tools." msgstr "Shell de cluster unificat, scriptabil" #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "Arhitectura Pacemaker" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "La cel mai înalt nivel, clusterul este compus din trei părţi:" #. Tag: para #, fuzzy, no-c-format msgid "Non-cluster aware components (illustrated in green). These pieces include the resources themselves, scripts that start, stop and monitor them, and also a local daemon that masks the differences between the different standards these scripts implement." msgstr "Aceste părți includ resursele în sine, scripturi care le pornesc, le opresc și le monitorizează și de asemenea un daemon local care maschează diferenţele între diferitele standarde pe care le implementează aceste scripturi." #. Tag: para #, fuzzy, no-c-format msgid "Resource management Pacemaker provides the brain (illustrated in blue) that processes and reacts to events regarding the cluster. These events include nodes joining or leaving the cluster; resource events caused by failures, maintenance, scheduled activities; and other administrative actions. Pacemaker will compute the ideal state of the cluster and plot a path to achieve it after any of these events. This may include moving resources, stopping nodes and even forcing them offline with remote power switches." msgstr "Pacemaker furnizează creierul (ilustrat în albastru) care procesează și reacționează la evenimente care privesc clusterul. Aceste evenimente includ noduri care se alătură sau pleacă din cluster; evenimente ale resurselor cauzate de eșecuri, mentenanță, activități programate; și alte acțiuni administrative. Pacemaker va calcula starea ideală a clusterului și va cartografia o cale de a atinge țelul după oricare din aceste evenimente. Acest lucru poate include mutarea resurselor, oprirea nodurilor sau chiar oprirea forțată a acestora cu switch-uri de curent cu acces de la distanță." #. Tag: para #, fuzzy, no-c-format msgid "Low level infrastructure Corosync provides reliable messaging, membership and quorum information about the cluster (illustrated in red)." msgstr "Corosync furnizează informații de mesagerie, apartenență și quorum de încredere despre cluster (ilustrate cu roșu)." #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "Vederea Conceptuală a Stivei" #. Tag: phrase #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "Vederea conceptuală a stivei de cluster" #. Tag: para #, fuzzy, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this." msgstr "În combinaţie cu Corosync, Pacemaker suportă de asemenea sistemele de fişiere de cluster open source populare Deși Pacemaker suportă de asemenea și Heartbeat, sistemele de fișiere au nevoie să folosească stiva pentru mesagerie și apartenență și Corosync pare să fie ținta standardizării. Tehnic ar fi posibil ca acestea să suporte Heartbeat de asemenea, însă există puţin interes pentru acest aspect. Datorită standardizării recente dinăuntrul comunităţii de sisteme de fişiere de cluster, acestea folosesc un manager de blocare distribuit care foloseşte la rândul său Corosync pentru capabilităţile acestuia de mesagerie şi Pacemaker pentru apartenenţă (care noduri sunt funcţionale şi care nu) şi pentru servicii de evacuare forțată." #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker Stack" msgstr "Stiva Pacemaker" #. Tag: phrase #, fuzzy, no-c-format msgid "The Pacemaker StackThe Pacemaker stack when running on Corosync" msgstr "Stiva Pacemaker atunci când rulează pe Corosync" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "Componente Interne" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "Pacemaker însuşi este compus din patru componente cheie (ilustrate mai jos cu aceeaşi schemă de culori ca şi în diagrama anterioară):" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "CIB (aka. Cluster Information Base)" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "CRMd (aka. Cluster Resource Management daemon)" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "PEngine (aka. PE sau Policy Engine)" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "STONITHd" #. Tag: phrase #, no-c-format msgid "Subsystems of a Pacemaker cluster running on Corosync" msgstr "Subsisteme ale unui cluster Pacemaker rulând pe Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "CIB-ul foloseşte XML pentru a reprezenta atât configuraţia clusterului cât şi starea curentă a tuturor resurselor din cluster. Conţinutul CIB-ului este ţinut sincronizat în mod automat pe tot clusterul şi este folosit de către PEngine pentru a calcula starea ideală a clusterului şi de a arăta cum poate fi atinsă." #. Tag: para #, fuzzy, no-c-format msgid "This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail… a new one is quickly established." msgstr "Lista de instrucţiuni este apoi furnizată către DC (Designated Co-ordinator). Pacemaker centralizează toate deciziile clusterului prin alegerea uneia dintre instanţele de CRMd pentru a se comporta ca master. Dacă procesul ales de CRMd sau nodul pe care acesta există eşuează ... unul nou este stabilit repede." #. Tag: para #, fuzzy, no-c-format msgid "The DC carries out the PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "DC-ul îndeplineşte instrucţiunile PEngine-ului în ordinea necesară prin pasarea acestora fie către LRMd (Local Resource Managemen daemon) fie altor noduri pe care rulează CRMd prin infrastructura de mesagerie a clusterului (care la rândul ei le pasează către procesul lor LRMd)." #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "Nodurile vecine raportează toate rezultatele operaţiunilor înapoi către DC şi pe baza rezultatelor aşteptate şi a rezultatelor actuale, fie va executa orice acţiuni care necesitau să aştepte ca şi cele anterioare să termine sau va anula procesarea şi va ruga PEngine-ul să recalculeze starea ideală a clusterului pe baza rezultatelor neaşteptate." #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "În anumite cazuri, ar putea fi necesar să oprească alimentarea nodurilor pentru a proteja datele partajate sau pentru a termina recuperarea resurselor. Pentru acest lucru Pacemaker vine cu STONITHd. STONITH este un acronim pentru Shoot-The-Other-Node-In-The-Head (împuşcă celălalt nod în cap) şi este implementat de obicei cu un switch de alimentare cu curent controlat de la distanţă. În Pacemaker, dispozitivele STONITH sunt modelate precum resursele (şi configurate în CIB) pentru a permite monitorizarea facilă a acestora în caz de eşec, totuşi STONITHd se ocupă de înţelegerea topologiei STONITH astfel încât clienţii acestuia să solicite pur şi simplu ca un nod să fie evacuat forțat şi acesta se va ocupa de rest." #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "Tipuri de Clustere Pacemaker" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "Pacemaker nu face nici un fel de presupuneri despre mediul vostru, acest aspect îi permite să suporte practic orice configuraţie redundantă incluzând Activ/Activ, Activ/Pasiv, N+1, N+M, N-la-1 şi N-la-N." #. Tag: para #, no-c-format msgid "In this document we will focus on the setup of a highly available Apache web server with an Active/Passive cluster using DRBD and Ext4 to store data. Then, we will upgrade this cluster to Active/Active using GFS2." msgstr "În acest document ne vom concentra pe setarea unui server web Apache cu disponibilitate crescută cu un cluster Activ/Pasiv folosind DRBD și Ext4 pentru a stoca datele. Apoi, vom actualiza clusterul la Activ/Activ folosind GFS2." #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "Redundanţă Activă/Pasivă" #. Tag: phrase #, fuzzy, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations" msgstr "Clusterele Active/Pasive formate din două noduri care folosesc Pacemaker şi DRBD sunt o soluţie eficientă d.p.d.v. al costului pentru multe situaţii de Disponibilitate Crescută." #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "Redundanţă N la N" #. Tag: phrase #, fuzzy, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload" msgstr "Când un mediu de stocare partajat este disponibil, fiecare nod poate fi folosit în mod potenţial pentru failover. Pacemaker poate chiar rula mai multe copii ale serviciilor pentru a distribui sarcina de lucru." #~ msgid "Supports both quorate and resource driven clusters" #~ msgstr "Suportă atât clustere quorate cât şi conduse de resurse" #~ msgid "Supports practically any redundancy configuration" #~ msgstr "Suportă practic orice configuraţie redundantă" #~ msgid "Non-cluster aware components (illustrated in green)." #~ msgstr "Componente fără cunoștințe despre cluster (ilustrate în verde)." #~ msgid "Resource management" #~ msgstr "Gestiunea resurselor" #~ msgid "Low level infrastructure" #~ msgstr "Infrastructura la nivel inferior" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Shared-Storage.po000066400000000000000000001656141217637305600260270ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-25 23:39+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Replicated Storage with DRBD" msgstr "Stocare Replicată cu DRBD" #. Tag: title #, no-c-format msgid "Background" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Even if you’re serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, it’s not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details." msgstr "Chiar și atunci când serviți site-uri statice, să trebuiască să sincronizați manual conținutul site-ului pe toate mașinile din cluster nu este ideal. Pentru site-uri dinamice, cu ar fi wiki-urile, nici măcar nu este o opțiune acest lucru. Nu toată lumea își poate permite stocare atașată la rețea dar cumva datele trebuie ținute sincronizate. Intră în scenă DRBD care poate fi considerat ca un RAID-1 la nivel de rețea. Vedeți http://www.drbd.org/ pentru mai multe detalii." #. Tag: title #, no-c-format msgid "Install the DRBD Packages" msgstr "Instalarea Pachetelor DRBD" #. Tag: para #, fuzzy, no-c-format msgid "Since its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD has shiped with Fedora since version 13. All you need to do is install it:" msgstr "De la includerea acestuia în kernelul 2.6.33, tot ce este necesar pentru a rula DRBD este livrat cu &DISTRO; &DISTRO_VERSION;. Tot ceea ce trebuie să faceți este să îl instalați:" #. Tag: programlisting #, no-c-format msgid "# yum install -y drbd-pacemaker drbd-udev" msgstr "" #. Tag: literallayout #, fuzzy, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Processing Dependency: drbd-utils = 8.3.11-5.fc17 for package: drbd-pacemaker-8.3.11-5.fc17.x86_64\n" "---> Package drbd-udev.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "======================================================================================\n" " Package Arch Version Repository Size\n" "======================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.11-5.fc17 updates-testing 22 k\n" " drbd-udev x86_64 8.3.11-5.fc17 updates-testing 6.4 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.11-5.fc17 updates-testing 183 k\n" "\n" "Transaction Summary\n" "======================================================================================\n" "Install 2 Packages (+1 Dependent package)\n" "\n" "Total download size: 212 k\n" "Installed size: 473 k\n" "Downloading Packages:\n" "(1/3): drbd-pacemaker-8.3.11-5.fc17.x86_64.rpm | 22 kB 00:00\n" "(2/3): drbd-udev-8.3.11-5.fc17.x86_64.rpm | 6.4 kB 00:00\n" "(3/3): drbd-utils-8.3.11-5.fc17.x86_64.rpm | 183 kB 00:00\n" "--------------------------------------------------------------------------------------\n" "Total 293 kB/s | 212 kB 00:00\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.11-5.fc17.x86_64 1/3\n" " Installing : drbd-pacemaker-8.3.11-5.fc17.x86_64 2/3\n" " Installing : drbd-udev-8.3.11-5.fc17.x86_64 3/3\n" " Verifying : drbd-pacemaker-8.3.11-5.fc17.x86_64 1/3\n" " Verifying : drbd-udev-8.3.11-5.fc17.x86_64 2/3\n" " Verifying : drbd-utils-8.3.11-5.fc17.x86_64 3/3\n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.11-5.fc17 drbd-udev.x86_64 0:8.3.11-5.fc17\n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.11-5.fc17\n" "\n" "Complete!" msgstr "" "\n" "[root@pcmk-1 ~]# yum install -y drbd-pacemaker drbd-udev\n" "Loaded plugins: presto, refresh-packagekit\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.7-2.fc13 set to be updated\n" "--> Processing Dependency: drbd-utils = 8.3.7-2.fc13 for package: drbd-pacemaker-8.3.7-2.fc13.x86_64\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.7-2.fc13 set to be updated\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=================================================================================\n" " Package Arch Version Repository Size\n" "=================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.7-2.fc13 fedora 19 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.7-2.fc13 fedora 165 k\n" "\n" "Transaction Summary\n" "=================================================================================\n" "Install 2 Package(s)\n" "Upgrade 0 Package(s)\n" "\n" "Total download size: 184 k\n" "Installed size: 427 k\n" "Downloading Packages:\n" "Setting up and reading Presto delta metadata\n" "fedora/prestodelta | 1.7 kB 00:00 \n" "Processing delta metadata\n" "Package(s) data still to download: 184 k\n" "(1/2): drbd-pacemaker-8.3.7-2.fc13.x86_64.rpm | 19 kB 00:01 \n" "(2/2): drbd-utils-8.3.7-2.fc13.x86_64.rpm | 165 kB 00:02 \n" "---------------------------------------------------------------------------------\n" "Total 45 kB/s | 184 kB 00:04 \n" "Running rpm_check_debug\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.7-2.fc13.x86_64 1/2 \n" " Installing : drbd-pacemaker-8.3.7-2.fc13.x86_64 2/2 \n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.7-2.fc13 \n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.7-2.fc13 \n" "\n" "Complete!\n" "[root@pcmk-1 ~]#\n" " " #. Tag: title #, no-c-format msgid "Configure DRBD" msgstr "Configurarea DRBD" #. Tag: para #, no-c-format msgid "Before we configure DRBD, we need to set aside some disk for it to use." msgstr "Înainte să configurăm DRBD-ul, trebuie să punem deoparte spațiu pe disc pentru ca acesta să îl folosească." #. Tag: title #, no-c-format msgid "Create A Partition for DRBD" msgstr "Crearea Unei Partiții Pentru DRBD" #. Tag: para #, no-c-format msgid "If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata." msgstr "Dacă aveți mai mult de 1Gb liber, simțiți-vă liberi să-l folosiți. Pentru acest ghid însă, 1Gb este suficient spațiu pentru un singur fișier html și suficient pentru a stoca ulterior metadata din GFS2." #. Tag: programlisting #, no-c-format msgid "" "# vgdisplay | grep -e Name - e Free\n" " VG Name vg_pcmk1\n" " Free PE / Size 31 / 992.00 MiB\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: para #, no-c-format msgid "Repeat this on the second node, be sure to use the same size partition." msgstr "Repetați acest lucru pe al doilea nod, asigurați-vă că folosiți o partiție de aceeași dimensiune." #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# ssh pcmk-2 -- lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: title #, no-c-format msgid "Write the DRBD Config" msgstr "Scrierea Config-ului DRBD" #. Tag: para #, no-c-format msgid "There is no series of commands for building a DRBD configuration, so simply copy the configuration below to /etc/drbd.conf" msgstr " Nu există nici o serie de comenzi pentru a construi configurația DRBD, așa că pur și simplu copiați configurația de mai jos în /etc/drbd.conf." #. Tag: para #, no-c-format msgid "Detailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.html" msgstr "Informații detaliate despre directivele folosite în această configurație (precum și alte alternative) sunt disponibile de pe http://www.drbd.org/users-guide/ch-configure.html" #. Tag: para #, fuzzy, no-c-format msgid "Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide." msgstr "Asigurați-vă că folosiți numele și adresele nodurilor voastre, dacă diferă de cele folosite în acest ghid." #. Tag: literallayout #, fuzzy, no-c-format msgid "" "global {\n" " usage-count yes;\n" "}\n" "common {\n" " protocol C;\n" "}\n" "resource wwwdata {\n" " meta-disk internal;\n" " device /dev/drbd1;\n" " syncer {\n" " verify-alg sha1;\n" " }\n" " net {\n" " allow-two-primaries;\n" " }\n" " on pcmk-1 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.101:7789;\n" " }\n" " on pcmk-2 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.102:7789;\n" " }\n" "}" msgstr "" "\n" "global { \n" "  usage-count yes; \n" "}\n" "common {\n" "  protocol C;\n" "}\n" "resource wwwdata {\n" "  meta-disk internal;\n" "  device    /dev/drbd1;\n" "  syncer {\n" "    verify-alg sha1;\n" "  }\n" "  net { \n" "    allow-two-primaries; \n" "  }\n" "  on pcmk-1 {\n" "    disk      /dev/mapper/VolGroup-drbd--demo;\n" "    address   192.168.122.101:7789; \n" "  }\n" "  on \n" "pcmk-2 {\n" "    disk      /dev/mapper/VolGroup-drbd--demo;\n" "    address   192.168.122.102:7789; \n" "  }\n" "}\n" " " #. Tag: para #, no-c-format msgid "TODO: Explain the reason for the allow-two-primaries option" msgstr "TODO: De explicat motivul pentru opțiunea allow-two primaries" #. Tag: title #, no-c-format msgid "Initialize and Load DRBD" msgstr "Inițializarea și Încărcarea DRBD-ului" #. Tag: para #, no-c-format msgid "With the configuration in place, we can now perform the DRBD initialization" msgstr "Cu configurația pusă la locul ei, acum putem executa inițializarea DRBD-ului." #. Tag: programlisting #, no-c-format msgid "" "# drbdadm create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success" msgstr "" #. Tag: para #, no-c-format msgid "Now load the DRBD kernel module and confirm that everything is sane" msgstr "Acum încărcați modulul de kernel al DRBD și confirmați că totul este în regulă" #. Tag: programlisting #, no-c-format msgid "" "# modprobe drbd\n" "# drbdadm up wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Repeat on the second node" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- drbdadm --force create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success\n" "# ssh pcmk-2 -- modprobe drbd\n" "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" "# ssh pcmk-2 -- drbdadm up wwwdata\n" "# ssh pcmk-2 -- cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1:" msgstr "Acum trebuie să spunem DRBD-ului care set de date să îl folosească. Din moment ce ambele părți conțin date nefolositoare, putem rula următoarea comandă pe pcmk-1:" #. Tag: programlisting #, no-c-format msgid "" "# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r-----\n" " ns:8064 nr:0 dw:0 dr:8728 al:0 bm:0 lo:0 pe:1 ua:0 ap:0 ep:1 wo:f oos:1007804\n" " [>....................] sync'ed: 0.9% (1007804/1015740)K\n" " finish: 0:12:35 speed: 1,320 (1,320) K/sec" msgstr "" #. Tag: para #, no-c-format msgid "After a while, the sync should finish and you’ll see:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----\n" " ns:1015740 nr:0 dw:0 dr:1016404 al:0 bm:62 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pcmk-1 is now in the Primary state which allows it to be written to. Which means it’s a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource." msgstr "pcmk-1 este acum în starea Primară care îi permite să scrie pe acesta. Lucru care înseamnă că este un punct bun în care să creăm un sistem de fișiere și să îl populăm cu ceva date pe care să le servim prin resursa noastră WebSite." #. Tag: title #, no-c-format msgid "Populate DRBD with Data" msgstr "Popularea DRBD-ului cu Date" #. Tag: programlisting #, no-c-format msgid "" "# mkfs.ext4 /dev/drbd1\n" "mke2fs 1.42 (29-Nov-2011)\n" "Filesystem label=\n" "OS type: Linux\n" "Block size=4096 (log=2)\n" "Fragment size=4096 (log=2)\n" "Stride=0 blocks, Stripe width=0 blocks\n" "63488 inodes, 253935 blocks\n" "12696 blocks (5.00%) reserved for the super user\n" "First data block=0\n" "Maximum filesystem blocks=260046848\n" "8 block groups\n" "32768 blocks per group, 32768 fragments per group\n" "7936 inodes per group\n" "Superblock backups stored on blocks:\n" " 32768, 98304, 163840, 229376\n" "\n" "Allocating group tables: done\n" "Writing inode tables: done\n" "Creating journal (4096 blocks): done\n" "Writing superblocks and filesystem accounting information: done" msgstr "" #. Tag: para #, no-c-format msgid "Now mount the newly created filesystem so we can create our index file" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" " <html>\n" " <body>My Test Site - drbd</body>\n" " </html>\n" "END\n" "# umount /dev/drbd1" msgstr "" #. Tag: title #, no-c-format msgid "Configure the Cluster for DRBD" msgstr "Configurarea Clusterului pentru DRBD" #. Tag: para #, no-c-format msgid "One handy feature pcs has is the ability to queue up several changes into a file and commit those changes atomically. To do this, start by populating the file with the current raw xml config from the cib. This can be done using the following command." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib drbd_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Now using the pcs -f option, make changes to the configuration saved in the drbd_cfg file. These changes will not be seen by the cluster until the drbd_cfg file is pushed into the live cluster’s cib later on." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs -f drbd_cfg resource create WebData ocf:linbit:drbd \\\n" " drbd_resource=wwwdata op monitor interval=60s\n" "# pcs -f drbd_cfg resource master WebDataClone WebData \\\n" " master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \\\n" " notify=true" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f drbd_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Stopped: [ WebData:0 WebData:1 ]" msgstr "" #. Tag: para #, no-c-format msgid "After you are satisfied with all the changes, you can commit all the changes at once by pushing the drbd_cfg file into the live cib." msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster push cib drbd_cfg\n" "CIB updated\n" "\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:19:49 2012\n" "Last change: Fri Sep 14 12:19:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "4 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, fuzzy, no-c-format msgid "TODO: Include details on adding a second DRBD resource" msgstr "Include detalii despre adăugarea unei resurse secundare DRBD" #. Tag: para #, no-c-format msgid "Now that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem’s definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted)." msgstr "Acum că DRBD funcționează putem configura o resursă Filesystem pentru a îl folosi. Suplimentar față de definiția sistemului de fișiere, trebuie să spunem clusterului de asemenea unde poate fi plasată (doar pe DRBD-ul Primar) și când îi este permis să pornească (după ce nodul a fost promovat la acest rol - Primar)." #. Tag: para #, no-c-format msgid "We are going to take a shortcut when creating the resource this time though. Instead of explicitly saying we want the ocf:heartbeat:Filesystem script, we are only going to ask for Filesystem. We can do this because we know there is only one resource script named Filesystem available to pacemaker, and that pcs is smart enough to fill in the ocf:heartbeat portion for us correctly in the configuration. If there were multiple Filesystem scripts from different ocf providers, we would need to specify the exact one we wanted to use." msgstr "" #. Tag: para #, no-c-format msgid "Once again we will queue up our changes to a file and then push the new configuration to the cluster as the final step." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib fs_cfg\n" "# pcs -f fs_cfg resource create WebFS Filesystem \\\n" " device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" \\\n" " fstype=\"ext4\"" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebFS WebDataClone INFINITY with-rsc-role=Master\n" "# pcs -f fs_cfg constraint order promote WebDataClone then start WebFS\n" "Adding WebDataClone WebFS (kind: Mandatory) (Options: first-action=promote then-action=start)" msgstr "" #. Tag: para #, no-c-format msgid "We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start." msgstr "Trebuie să spunem clusterului de asemenea că Apache are nevoie să ruleze pe aceeași mașină ca și sistemul de fișiere și că trebuie să fie activ înainte ca Apache să pornească." #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebSite WebFS INFINITY\n" "# pcs -f fs_cfg constraint order WebFS then WebSite" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now review the updated configuration." msgstr "E timpul să revizuim configurația actualizată:" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS\n" "\n" "# pcs -f fs_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "After reviewing the new configuration, we again upload it and watch the cluster put it into effect." msgstr "După ce am revizuit configurația nouă, o încărcăm din nou și urmărim clusterul cum o pune în folosință." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster push cib fs_cfg\n" "CIB updated\n" "# pcs status\n" " Last updated: Fri Aug 10 12:47:01 2012\n" "\n" " Last change: Fri Aug 10 12:46:55 2012 via cibadmin on pcmk-1\n" " Stack: corosync\n" " Current DC: pcmk-1 (1) - partition with quorum\n" " Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" " 2 Nodes configured, unknown expected votes\n" " 5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: title #, no-c-format msgid "Testing Migration" msgstr "Testarea Migrării" #. Tag: para #, fuzzy, no-c-format msgid "We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called \"standby mode\". Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources' packages." msgstr "Am putea opri nodul activ din nou, dar o altă cale sigură de a simula recuperarea este de a pune nodul în ceea ce este numit \"mod standby\". Nodurile în această stare spun clusterului că nu li se permite să ruleze resurse. Orice resursă gasită ca fiind activă acolo va fi mutată în altă parte Această funcționalitate poate fi deosebit de utilă atunci când actualizați pachetele resurselor." #. Tag: para #, no-c-format msgid "Put the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node’s status will change to indicate that it can no longer host resources." msgstr "Puneți nodul local în mod standby și observați cum clusterul mută toate resursele pe nodul celălalt. Observați de asemenea că status-ul nodului se va schimba pentru a indica faptul că nu mai poate găzdui resurse." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster standby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:41:12 2012\n" "Last change: Fri Sep 14 12:41:08 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Node pcmk-1 (1): standby\n" "Online: [ pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" "WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Stopped: [ WebData:1 ]\n" "WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, no-c-format msgid "Once we’ve done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again." msgstr "Odată ce am făcut tot ceea ce era nevoie să facem pe pcmk-1 (în acest caz nimic, vroiam doar să vedem resursele mutându-se), putem permite nodului să fie din nou un membru întreg al clusterului." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster unstandby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:43:02 2012\n" "Last change: Fri Sep 14 12:42:57 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, no-c-format msgid "Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1." msgstr "Observați că setările noastre de adezivitate a resurselor previn serviciile din a migra înapoi pe pcmk-1." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-1 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-1 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  lv_root VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap VolGroup -wi-ao 500.00M                                      \n" #~ "[root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  lv_root VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap VolGroup -wi-ao 500.00M                                      \n" #~ "[root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm create-md wwwdata\n" #~ "md_offset 12578816\n" #~ "al_offset 12546048\n" #~ "bm_offset 12541952\n" #~ "\n" #~ "Found some data \n" #~ " ==> This might destroy existing data! <==\n" #~ "\n" #~ "Do you want to proceed?\n" #~ "[need to type 'yes' to confirm] yes\n" #~ "\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm create-md wwwdata\n" #~ "md_offset 12578816\n" #~ "al_offset 12546048\n" #~ "bm_offset 12541952\n" #~ "\n" #~ "Found some data \n" #~ " ==> This might destroy existing data! <==\n" #~ "\n" #~ "Do you want to proceed?\n" #~ "[need to type 'yes' to confirm] yes\n" #~ "\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# modprobe drbd\n" #~ "[root@pcmk-1 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ "[root@pcmk-1 ~]# \n" #~ "\n" #~ "Repeat on the second node\n" #~ "drbdadm --force create-md wwwdata \n" #~ "modprobe drbd\n" #~ "drbdadm up wwwdata\n" #~ "cat /proc/drbd\n" #~ "[root@pcmk-2 ~]# drbdadm --force create-md wwwdata\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ "[root@pcmk-2 ~]# modprobe drbd\n" #~ "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" #~ "[root@pcmk-2 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-2 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# modprobe drbd\n" #~ "[root@pcmk-1 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ "[root@pcmk-1 ~]# \n" #~ "\n" #~ "Repeat on the second node\n" #~ "drbdadm --force create-md wwwdata \n" #~ "modprobe drbd\n" #~ "drbdadm up wwwdata\n" #~ "cat /proc/drbd\n" #~ "[root@pcmk-2 ~]# drbdadm --force create-md wwwdata\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ "[root@pcmk-2 ~]# modprobe drbd\n" #~ "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" #~ "[root@pcmk-2 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-2 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----\n" #~ "    ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064\n" #~ "        [=====>..............] sync'ed: 33.4% (10064/12248)K\n" #~ "        finish: 0:00:37 speed: 240 (240) K/sec\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----\n" #~ "    ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----\n" #~ "    ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064\n" #~ "        [=====>..............] sync'ed: 33.4% (10064/12248)K\n" #~ "        finish: 0:00:37 speed: 240 (240) K/sec\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----\n" #~ "    ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1\n" #~ "mke2fs 1.41.4 (27-Jan-2009)\n" #~ "Filesystem label=\n" #~ "OS type: Linux\n" #~ "Block size=1024 (log=0)\n" #~ "Fragment size=1024 (log=0)\n" #~ "3072 inodes, 12248 blocks\n" #~ "612 blocks (5.00%) reserved for the super user\n" #~ "First data block=1\n" #~ "Maximum filesystem blocks=12582912\n" #~ "2 block groups\n" #~ "8192 blocks per group, 8192 fragments per group\n" #~ "1536 inodes per group\n" #~ "Superblock backups stored on blocks: \n" #~ "        8193\n" #~ "\n" #~ "Writing inode tables: done                            \n" #~ "Creating journal (1024 blocks): done\n" #~ "Writing superblocks and filesystem accounting information: done\n" #~ "\n" #~ "This filesystem will be automatically checked every 26 mounts or\n" #~ "180 days, whichever comes first.  Use tune2fs -c or -i to override.\n" #~ "\n" #~ "Now mount the newly created filesystem so we can create our index file\n" #~ "mount /dev/drbd1 /mnt/\n" #~ "cat <<-END >/mnt/index.html\n" #~ "<html>\n" #~ "<body>My Test Site - drbd</body>\n" #~ "</html>\n" #~ "END\n" #~ "umount /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" #~ "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" #~ "> <html>\n" #~ "> <body>My Test Site - drbd</body>\n" #~ "> </html>\n" #~ "> END\n" #~ "[root@pcmk-1 ~]# umount /dev/drbd1\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1\n" #~ "mke2fs 1.41.4 (27-Jan-2009)\n" #~ "Filesystem label=\n" #~ "OS type: Linux\n" #~ "Block size=1024 (log=0)\n" #~ "Fragment size=1024 (log=0)\n" #~ "3072 inodes, 12248 blocks\n" #~ "612 blocks (5.00%) reserved for the super user\n" #~ "First data block=1\n" #~ "Maximum filesystem blocks=12582912\n" #~ "2 block groups\n" #~ "8192 blocks per group, 8192 fragments per group\n" #~ "1536 inodes per group\n" #~ "Superblock backups stored on blocks: \n" #~ "        8193\n" #~ "\n" #~ "Writing inode tables: done                            \n" #~ "Creating journal (1024 blocks): done\n" #~ "Writing superblocks and filesystem accounting information: done\n" #~ "\n" #~ "This filesystem will be automatically checked every 26 mounts or\n" #~ "180 days, whichever comes first.  Use tune2fs -c or -i to override.\n" #~ "\n" #~ "Now mount the newly created filesystem so we can create our index file\n" #~ "mount /dev/drbd1 /mnt/\n" #~ "cat <<-END >/mnt/index.html\n" #~ "<html>\n" #~ "<body>My Test Site - drbd</body>\n" #~ "</html>\n" #~ "END\n" #~ "umount /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" #~ "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" #~ "> <html>\n" #~ "> <body>My Test Site - drbd</body>\n" #~ "> </html>\n" #~ "> END\n" #~ "[root@pcmk-1 ~]# umount /dev/drbd1\n" #~ " " #~ msgid "One handy feature of the crm shell is that you can use it in interactive mode to make several changes atomically." #~ msgstr "O funcționalitate utilă a shell-ului crm este aceea că îl puteți folosi în mod interactiv pentru a realiza mai multe modificări în mod atomic." #~ msgid "First we launch the shell. The prompt will change to indicate you’re in interactive mode." #~ msgstr "Întâi lansăm shell-ul. Promptul se va schimba pentru a indica faptul că sunteți în mod interactiv." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "cib crm(live)#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "cib crm(live)#\n" #~ " " #~ msgid "Next we must create a working copy of the current configuration. This is where all our changes will go. The cluster will not see any of them until we say it's ok. Notice again how the prompt changes, this time to indicate that we’re no longer looking at the live cluster." #~ msgstr "În continuare trebuie să creăm o copie funcțională a configurației curente. Acesta este locul în care vor merge toate modificările noastre. Clusterul nu va vedea nici una dintre ele până nu spunem noi că este ok. Observați cum promptul se schimbă din nou, de această dată pentru a indica faptul că nu ne mai uităm la clusterul live." #~ msgid "" #~ "\n" #~ "cib crm(live)# cib new drbd\n" #~ "INFO: drbd shadow CIB created\n" #~ "crm(drbd)#\n" #~ " " #~ msgstr "" #~ "\n" #~ "cib crm(live)# cib new drbd\n" #~ "INFO: drbd shadow CIB created\n" #~ "crm(drbd)#\n" #~ " " #~ msgid "Now we can create our DRBD clone and display the revised configuration." #~ msgstr "Acum putem crea clona noastră de DRBD și să listăm configurația revizuită." #~ msgid "" #~ "\n" #~ "crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \\\n" #~ "        op monitor interval=60s\n" #~ "crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \\\n" #~ "        clone-max=2 clone-node-max=1 notify=true\n" #~ "crm(drbd)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ " params drbd_resource=\"wwwdata\" \\\n" #~ " op monitor interval=\"60s\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ " meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \\\n" #~ "        op monitor interval=60s\n" #~ "crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \\\n" #~ "        clone-max=2 clone-node-max=1 notify=true\n" #~ "crm(drbd)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ " params drbd_resource=\"wwwdata\" \\\n" #~ " op monitor interval=\"60s\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ " meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgid "Once we’re happy with the changes, we can tell the cluster to start using them and use crm_mon to check everything is functioning." #~ msgstr "Odată ce suntem multumiți cu modificările realizate, putem spune clusterului să înceapă să le folosească și vom folosi crm_mon pentru a verifica faptul că totul funcționează." #~ msgid "" #~ "\n" #~ "crm(drbd)# cib commit drbd\n" #~ "INFO: commited 'drbd' shadow CIB to the cluster\n" #~ "crm(drbd)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 09:37:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "3 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ " Masters: [ pcmk-2 ]\n" #~ " Slaves: [ pcmk-1 ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(drbd)# cib commit drbd\n" #~ "INFO: commited 'drbd' shadow CIB to the cluster\n" #~ "crm(drbd)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 09:37:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "3 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ " Masters: [ pcmk-2 ]\n" #~ " Slaves: [ pcmk-1 ]\n" #~ " " #~ msgid "Once again we’ll use the shell’s interactive mode" #~ msgstr "Încă o dată vom folosi modul interactiv al shell-ului" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new fs\n" #~ "INFO: fs shadow CIB created\n" #~ "crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new fs\n" #~ "INFO: fs shadow CIB created\n" #~ "crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(fs)# cib commit fs\n" #~ "INFO: commited 'fs' shadow CIB to the cluster\n" #~ "crm(fs)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:08:44 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache): Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(fs)# cib commit fs\n" #~ "INFO: commited 'fs' shadow CIB to the cluster\n" #~ "crm(fs)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:08:44 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache): Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm node standby\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:09:57 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Node pcmk-1: standby\n" #~ "Online: [ pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-2 ]\n" #~ "        Stopped: [ WebData:1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm node standby\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:09:57 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Node pcmk-1: standby\n" #~ "Online: [ pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-2 ]\n" #~ "        Stopped: [ WebData:1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Stonith.po000066400000000000000000000644301217637305600246410ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-26 11:16+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configure STONITH" msgstr "Configurarea STONITH" #. Tag: title #, fuzzy, no-c-format msgid "What Is STONITH" msgstr "De Ce Aveți Nevoie de STONITH" #. Tag: para #, fuzzy, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "STONITH este un acronim pentru Shoot-The-Other-Node-In-The-Head (împușcă-celălalt-nod-în-cap) şi protejează datele voastre de la a fi corupte de către noduri pribege sau de la acces simultan." #. Tag: para #, fuzzy, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "Doar pentru că un nod nu mai răspunde, acest lucru nu înseamnă că acesta nu mai accesează datele voastre. Singura metodă de a fi 100% siguri că datele voastre sunt în siguranţă, este să folosiţi STONITH pentru a putea fi siguri că nodul este cu adevărat offline, înainte de a permite datelor să fie accesate de pe alt nod." #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "STONITH mai are un rol pe care îl joacă în cazul în care un serviciu clusterizat nu poate fi oprit. În acest caz, clusterul foloseşte STONITH pentru a forţa întregul nod offline, astfel făcând să fie sigurâ pornirea serviciului în altă parte." #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "Ce Dispozitiv STONITH Ar Trebui Să Folosiţi" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "Este imperativ ca dispozitivul STONITH să permită clusterului să facă diferenţa între o defecţiune a nodului şi una a reţelei." #. Tag: para #, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "Cea mai mare greşeală pe care o fac oamenii în alegerea unui dispozitiv STONITH este să folosească un switch de curent cu acces la distanţă (cum ar fi multe controlere IPMI integrate) care partajează curentul cu nodul pe care îl controlează. În astfel de cazuri, clusterul nu poate fi sigur dacă nodul este cu adevărat offline sau inactiv şi suferă din cauza unei probleme de reţea." #. Tag: para #, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "În mod similar, orice dispozitiv care se bazează pe maşină să fie activă (cum ar fi \"dispozitivele\" bazate pe SSH folosite în timpul testării) sunt nepotrivite." #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "Configurarea STONITH" #. Tag: para #, fuzzy, no-c-format msgid "Find the correct driver: pcs stonith list" msgstr "Găsiţi driverul corect: stonith_admin --list-installed" #. Tag: para #, no-c-format msgid "Find the parameters associated with the device: pcs stonith describe <agent name>" msgstr "" #. Tag: para #, no-c-format msgid "Create a local config to make changes to pcs cluster cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Create the fencing resource using pcs -f stonith_cfg stonith create <stonith_id> <stonith device type> [stonith device options]" msgstr "" #. Tag: para #, no-c-format msgid "Set stonith-enable to true. pcs -f stonith_cfg property set stonith-enabled=true" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "Dacă dispozitivul nu știe cum să evacueze forțat nodurile pe baza uname-ului acestora, ar putea fi nevoie să setați parametrul special pcmk_host_map. Vedeți man stonithd pentru detalii." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "Dacă dispozitivul nu suportă comanda list ar putea fi nevoie să setați parametrii speciali pcmk_host_list și/sau pcmk_host_check. Vedeți man stonithd pentru detalii." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "Dacă dispozitivul nu se așteaptă ca victima să fie specificată cu parametrul port, ar putea fi necesar să setați parametrul special pcmk_host_argument. Vedeți man stonithd pentru detalii." #. Tag: para #, no-c-format msgid "Commit the new configuration. pcs cluster push cib stonith_cfg" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "Odată ce resursa stonith rulează, o puteți testa executând: stonith_admin --reboot nodename. Deși ați putea dori să opriți clusterul pe acea mașină mai întâi." #. Tag: title #, no-c-format msgid "Example" msgstr "Exemplu" #. Tag: para #, fuzzy, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "Presupunând că avem un şasiu conţinând patru noduri şi un dispozitiv IPMI activ pe 10.0.0.1, atunci am alege driverul fence_ipmilan la pasul 2 şi am obţine următoarea listă de parametri" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "Obţinerea unei liste de Parametri STONITH" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith describe fence_ipmilan\n" "Stonith options for: fence_ipmilan\n" " auth: IPMI Lan Auth type (md5, password, or none)\n" " ipaddr: IPMI Lan IP to talk to\n" " passwd: Password (if required) to control power on IPMI device\n" " passwd_script: Script to retrieve password (if required)\n" " lanplus: Use Lanplus\n" " login: Username/Login (if required) to control power on IPMI device\n" " action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata\n" " timeout: Timeout (sec) for IPMI operation\n" " cipher: Ciphersuite to use (same as ipmitool -C parameter)\n" " method: Method to fence (onoff or cycle)\n" " power_wait: Wait X seconds after on/off operation\n" " delay: Wait X seconds before fencing is started\n" " privlvl: Privilege level on IPMI device\n" " verbose: Verbose mode" msgstr "" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "din care am crea un fragment de resursă STONITH care ar putea arăta aşa" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "Exemplu de Resursă STONITH" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib stonith_cfg\n" "# pcs -f stonith_cfg stonith create impi-fencing fence_ipmilan \\\n" " pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser \\\n" " passwd=acd123 op monitor interval=60s" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg stonith\n" " impi-fencing (stonith:fence_ipmilan) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "Și în sfârșit, din moment ce l-am dezactivat mai devreme, trebuie să reactivăm STONITH. În acest punct ar trebui să avem următoarea configurație." #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg property set stonith-enabled=true\n" "# pcs -f stonith_cfg property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib stonith_cfg" msgstr "" #~ msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run:" #~ msgstr "Din moment ce fiecare dispozitiv este diferit, parametrii necesari să îl configurați vor varia. Pentru a afla parametrii asociaţi dispozitivului, rulaţi:" #~ msgid "stonith_admin --metadata --agent type" #~ msgstr "stonith_admin --metadata --agent type" #~ msgid "The output should be XML formatted text containing additional parameter descriptions. We will endevor to make the output more friendly in a later version." #~ msgstr "Rezultatul de ieşire ar trebui să fie un text formatat XML conţinând descrierile parametrilor adiţionali. Ne vom aventura să facem rezultatul de ieşire mai prietenos într-o versiune ulterioară." #~ msgid "Enter the shell crm" #~ msgstr "Intrați în shell-ul crm" #~ msgid "Create an editable copy of the existing configuration cib new stonith" #~ msgstr "CreațI o copie editabilă a configurației existente cib new stonith" #~ msgid "Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: configure primitive ..." #~ msgstr "Creați o resursă de evacuare forțată conținând o resursă primitivă cu o clasă stonith, de tipul type și un parametru pentru fiecare din valorile returnate la pasul 2: configure primitive ..." #~ msgid "Upload it into the CIB from the shell: cib commit stonith" #~ msgstr "Încărcați în CIB din shell: cib commit stonith" #~ msgid "" #~ "\n" #~ "# stonith_admin --metadata -a fence_ipmilan\n" #~ "\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" #~ "<longdesc>\n" #~ "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" #~ "\n" #~ "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" #~ "<parameters>\n" #~ "\t<parameter name=\"auth\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-A\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"ipaddr\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-a\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">IPMI Lan IP to talk to</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"passwd\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-p\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Password (if required) to control power on IPMI device</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"passwd_script\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-S\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Script to retrieve password (if required)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"lanplus\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-P\" />\n" #~ "\t\t<content type=\"boolean\" />\n" #~ "\t\t<shortdesc lang=\"en\">Use Lanplus</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"login\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-l\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Username/Login (if required) to control power on IPMI device</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"action\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-o\" />\n" #~ "\t\t<content type=\"string\" default=\"reboot\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"timeout\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-t\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Timeout (sec) for IPMI operation</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"cipher\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-C\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"method\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-M\" />\n" #~ "\t\t<content type=\"string\" default=\"onoff\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Method to fence (onoff or cycle)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"power_wait\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-T\" />\n" #~ "\t\t<content type=\"string\" default=\"2\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Wait X seconds after on/off operation</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"delay\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-f\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Wait X seconds before fencing is started</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"verbose\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-v\" />\n" #~ "\t\t<content type=\"boolean\" />\n" #~ "\t\t<shortdesc lang=\"en\">Verbose mode</shortdesc>\n" #~ "\t</parameter>\n" #~ "</parameters>\n" #~ "<actions>\n" #~ "\t<action name=\"on\" />\n" #~ "\t<action name=\"off\" />\n" #~ "\t<action name=\"reboot\" />\n" #~ "\t<action name=\"status\" />\n" #~ "\t<action name=\"diag\" />\n" #~ "\t<action name=\"list\" />\n" #~ "\t<action name=\"monitor\" />\n" #~ "\t<action name=\"metadata\" />\n" #~ "</actions>\n" #~ "</resource-agent>\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "# stonith_admin --metadata -a fence_ipmilan\n" #~ "\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" #~ "<longdesc>\n" #~ "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" #~ "\n" #~ "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" #~ "<parameters>\n" #~ "\t<parameter name=\"auth\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-A\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"ipaddr\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-a\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">IPMI Lan IP to talk to</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"passwd\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-p\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Password (if required) to control power on IPMI device</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"passwd_script\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-S\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Script to retrieve password (if required)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"lanplus\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-P\" />\n" #~ "\t\t<content type=\"boolean\" />\n" #~ "\t\t<shortdesc lang=\"en\">Use Lanplus</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"login\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-l\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Username/Login (if required) to control power on IPMI device</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"action\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-o\" />\n" #~ "\t\t<content type=\"string\" default=\"reboot\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"timeout\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-t\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Timeout (sec) for IPMI operation</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"cipher\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-C\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"method\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-M\" />\n" #~ "\t\t<content type=\"string\" default=\"onoff\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Method to fence (onoff or cycle)</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"power_wait\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-T\" />\n" #~ "\t\t<content type=\"string\" default=\"2\"/>\n" #~ "\t\t<shortdesc lang=\"en\">Wait X seconds after on/off operation</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"delay\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-f\" />\n" #~ "\t\t<content type=\"string\" />\n" #~ "\t\t<shortdesc lang=\"en\">Wait X seconds before fencing is started</shortdesc>\n" #~ "\t</parameter>\n" #~ "\t<parameter name=\"verbose\" unique=\"1\">\n" #~ "\t\t<getopt mixed=\"-v\" />\n" #~ "\t\t<content type=\"boolean\" />\n" #~ "\t\t<shortdesc lang=\"en\">Verbose mode</shortdesc>\n" #~ "\t</parameter>\n" #~ "</parameters>\n" #~ "<actions>\n" #~ "\t<action name=\"on\" />\n" #~ "\t<action name=\"off\" />\n" #~ "\t<action name=\"reboot\" />\n" #~ "\t<action name=\"status\" />\n" #~ "\t<action name=\"diag\" />\n" #~ "\t<action name=\"list\" />\n" #~ "\t<action name=\"monitor\" />\n" #~ "\t<action name=\"metadata\" />\n" #~ "</actions>\n" #~ "</resource-agent>\n" #~ "\t" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new stonith\n" #~ "INFO: stonith shadow CIB created\n" #~ "crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n" #~ " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ " op monitor interval=\"60s\"\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new stonith\n" #~ "INFO: stonith shadow CIB created\n" #~ "crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n" #~ " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ " op monitor interval=\"60s\"\n" #~ "\t" #~ msgid "" #~ "\n" #~ "crm(stonith)# configure property stonith-enabled=\"true\"\n" #~ "crm(stonith)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ " op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "crm(stonith)# cib commit stonith\n" #~ "INFO: commited 'stonith' shadow CIB to the cluster\n" #~ "crm(stonith)# quit\n" #~ "bye\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(stonith)# configure property stonith-enabled=\"true\"\n" #~ "crm(stonith)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive ipmi-fencing stonith::fence_ipmilan \\\n" #~ " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" #~ " op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "crm(stonith)# cib commit stonith\n" #~ "INFO: commited 'stonith' shadow CIB to the cluster\n" #~ "crm(stonith)# quit\n" #~ "bye\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Tools.po000066400000000000000000000403271217637305600243100ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-26 11:30+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Pacemaker Tools" msgstr "Folosirea Utilitarelor Pacemaker" #. Tag: title #, no-c-format msgid "Using Pacemaker Tools" msgstr "Folosirea Utilitarelor Pacemaker" #. Tag: para #, no-c-format msgid "In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster." msgstr "În trecutul întunecat, configurarea Pacemaker necesita ca administratorul să citească și să scrie XML. În stilul adevărat UNIX, existau și un număr de comenzi diferite care se specializau în diferitele aspecte ale interogării și actualizării clusterului." #. Tag: para #, no-c-format msgid "All of that has been greatly simplified with the creation of unified command-line shells (and GUIs) that hide all the messy XML scaffolding." msgstr "" #. Tag: para #, no-c-format msgid "These shells take all the individual aspects required for managing and configuring a cluster, and packs them into one simple to use command line tool." msgstr "" #. Tag: para #, no-c-format msgid "They even allow you to queue up several changes at once and commit them atomically." msgstr "" #. Tag: para #, no-c-format msgid "There are currently two command-line shells that people use, pcs and crmsh. This edition of Clusters from Scratch is based on pcs. Start by taking some time to familiarize yourself with what it can do." msgstr "" #. Tag: para #, no-c-format msgid "The two shells share many concepts but the scope, layout and syntax does differ, so make sure you read the version of this guide that corresponds to the software installed on your system." msgstr "" #. Tag: para #, no-c-format msgid "Since pcs has the ability to manage all aspects of the cluster (both corosync and pacemaker), it requires a specific cluster stack to be in use, (corosync 2.0 with votequorum + Pacemaker version >= 1.8)." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Control and configure pacemaker and corosync.\n" "\n" "Options:\n" " -h Display usage and exit\n" " -f file Perform actions on file instead of active CIB\n" "\n" "Commands:\n" " resource Manage cluster resources\n" " cluster Configure cluster options and nodes\n" " stonith Configure fence devices\n" " property Set pacemaker properties\n" " constraint Set resource constraints\n" " status View cluster status" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the different aspects of cluster management are broken up into categories: resource, cluster, stonith, property, constraint, and status. To discover the functionality available in each of these categories, one can issue the command pcs <category> help. Below is an example of all the options available under the status category." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status help" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Usage: pcs status [commands]...\n" "View current cluster and resource status\n" "Commands:\n" " status\n" " View all information about the cluster and resources\n" "\n" " status resources\n" " View current status of cluster resources\n" "\n" " status groups\n" " View currently configured groups and their resources\n" "\n" " status cluster\n" " View current cluster status\n" "\n" " status corosync\n" " View current corosync status\n" "\n" " status nodes [corosync]\n" " View current status of nodes from pacemaker, or if corosync is\n" " specified, print nodes currently configured in corosync\n" "\n" " status actions\n" " View failed actions\n" "\n" " status pcsd <node> ...\n" " Show the current status of pcsd on the specified nodes\n" "\n" " status xml\n" " View xml version of status (output from crm_mon -r -1 -X)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Additionally, if you are interested in the Pacemaker version and supported cluster stack(s) available with your current Pacemaker installation, the pacemakerd --features option is available to you." msgstr "Suplimentar, versiunea de Pacemaker și stiva(ele) suportate de cluster sunt disponibile prin opțiunea --version." #. Tag: programlisting #, no-c-format msgid "# pacemakerd --features" msgstr "" #. Tag: screen #, no-c-format msgid "" "Pacemaker 1.1.8 (Build: 434edfa)\n" " Supporting: generated-manpages agent-manpages ascii-docs publican-docs ncurses gcov libqb-logging libqb-ipc lha-fencing upstart systemd heartbeat corosync-native snmp" msgstr "" #. Tag: para #, no-c-format msgid "If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details." msgstr "Dacă opțiunile de SNMP și/sau email nu sunt listate, atunci Pacemaker nu a fost construit pentru a le suporta. Acest lucru s-ar putea întâmpla din alegerea făcută de distribuția folosită sau librăriile necesare ar putea să nu fie disponibile. Vă rugăm să contactați pe oricine v-a furnizat pachetele pentru mai multe detalii." #~ msgid "Since Pacemaker 1.0, this has all changed and we have an integrated, scriptable, cluster shell that hides all the messy XML scaffolding. It even allows you to queue up several changes at once and commit them atomically." #~ msgstr "Începând cu Pacemaker 1.0, acest lucru s-a schimbat și avem un shell de cluster integrat, scriptabil, care ascunde toată schela neordonată de XML. Chiar vă permite să adăugați într-o coadă de așteptare mai multe schimbări și să le aplicați în mod atomic." #~ msgid "Take some time to familiarize yourself with what it can do." #~ msgstr "Luați-vă ceva timp pentru a vă familiariza cu ceea ce poate să facă." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm --help\n" #~ "\n" #~ "usage:\n" #~ "    crm [-D display_type]\n" #~ "    crm [-D display_type] args\n" #~ "    crm [-D display_type] [-f file]\n" #~ "\n" #~ "    Use crm without arguments for an interactive session.\n" #~ "    Supply one or more arguments for a \"single-shot\" use.\n" #~ "    Specify with -f a file which contains a script. Use '-' for\n" #~ "    standard input or use pipe/redirection.\n" #~ "\n" #~ "    crm displays cli format configurations using a color scheme\n" #~ "    and/or in uppercase. Pick one of \"color\" or \"uppercase\", or\n" #~ "    use \"-D color,uppercase\" if you want colorful uppercase.\n" #~ "    Get plain output by \"-D plain\". The default may be set in\n" #~ "    user preferences (options).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "    # crm -f stopapp2.cli\n" #~ "    # crm < stopapp2.cli\n" #~ "    # crm resource stop global_www\n" #~ "    # crm status\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm --help\n" #~ "\n" #~ "usage:\n" #~ "    crm [-D display_type]\n" #~ "    crm [-D display_type] args\n" #~ "    crm [-D display_type] [-f file]\n" #~ "\n" #~ "    Use crm without arguments for an interactive session.\n" #~ "    Supply one or more arguments for a \"single-shot\" use.\n" #~ "    Specify with -f a file which contains a script. Use '-' for\n" #~ "    standard input or use pipe/redirection.\n" #~ "\n" #~ "    crm displays cli format configurations using a color scheme\n" #~ "    and/or in uppercase. Pick one of \"color\" or \"uppercase\", or\n" #~ "    use \"-D color,uppercase\" if you want colorful uppercase.\n" #~ "    Get plain output by \"-D plain\". The default may be set in\n" #~ "    user preferences (options).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "    # crm -f stopapp2.cli\n" #~ "    # crm < stopapp2.cli\n" #~ "    # crm resource stop global_www\n" #~ "    # crm status\n" #~ msgid "The primary tool for monitoring the status of the cluster is crm_mon (also available as crm status). It can be run in a variety of modes and has a number of output options. To find out about any of the tools that come with Pacemaker, simply invoke them with the --help option or consult the included man pages. Both sets of output are created from the tool, and so will always be in sync with each other and the tool itself." #~ msgstr "Utilitarul principal pentru monitorizarea status-ului clusterului este crm_mon (de asemenea disponibil ca și crm status). Poate fi rulat într-o varietate de moduri și are un număr de opțiuni ale rezultatelor de ieșire. Pentru a afla despre oricare dintre utilitarele care vin cu Pacemaker, pur și simplu invocați-le cu opțiunea --help sau consultați paginile de manual incluse. Ambele seturi de rezultate de ieșire sunt create de către utilitar și așa va fi întotdeauna sincronizate una cu cealaltă și cu utilitarul însuși." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon --version\n" #~ "Pacemaker 1.1.5\n" #~ "Written by Andrew Beekhof\n" #~ "[root@pcmk-1 ~]# crm_mon --help\n" #~ "crm_mon - Provides a summary of cluster's current state.\n" #~ "\n" #~ "Outputs varying levels of detail in a number of different formats.\n" #~ "\n" #~ "Usage: crm_mon mode [options]\n" #~ "Options:\n" #~ " -?, --help                 This text\n" #~ " -$, --version             Version information\n" #~ " -V, --verbose             Increase debug output\n" #~ "\n" #~ "Modes:\n" #~ " -h, --as-html=value        Write cluster status to the named file\n" #~ " -w, --web-cgi             Web mode with output suitable for cgi\n" #~ " -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)\n" #~ " -S, --snmp-traps=value    Send SNMP traps to this station\n" #~ " -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix\n" #~ "\n" #~ "Display Options:\n" #~ " -n, --group-by-node       Group resources by node\n" #~ " -r, --inactive             Display inactive resources\n" #~ " -f, --failcounts           Display resource fail counts\n" #~ " -o, --operations           Display resource operation history\n" #~ " -t, --timing-details       Display resource operation history with timing details\n" #~ "\n" #~ "\n" #~ "Additional Options:\n" #~ " -i, --interval=value           Update frequency in seconds\n" #~ " -1, --one-shot                 Display the cluster status once on the console and exit\n" #~ " -N, --disable-ncurses          Disable the use of ncurses\n" #~ " -d, --daemonize                Run in the background as a daemon\n" #~ " -p, --pid-file=value           (Advanced) Daemon pid file location\n" #~ " -F, --mail-from=value          Mail alerts should come from the named user\n" #~ " -H, --mail-host=value          Mail alerts should be sent via the named host\n" #~ " -P, --mail-prefix=value        Subjects for mail alerts should start with this string\n" #~ " -E, --external-agent=value     A program to run when resource operations take place.\n" #~ " -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "Display the cluster´s status on the console with updates as they occur:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display the cluster´s status on the console just once then exit:\n" #~ "        # crm_mon -1\n" #~ "\n" #~ "Display your cluster´s status, group resources by node, and include inactive resources in the list:\n" #~ "        # crm_mon --group-by-node --inactive\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:\n" #~ "        # crm_mon --daemonize --as-html /path/to/docroot/filename.html\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send email alerts:\n" #~ "        # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send SNMP alerts:\n" #~ "        # crm_mon --daemonize --snmp-traps snmptrapd.example.com\n" #~ "\n" #~ "Report bugs to pacemaker@oss.clusterlabs.org\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon --version\n" #~ "Pacemaker 1.1.5\n" #~ "Written by Andrew Beekhof\n" #~ "[root@pcmk-1 ~]# crm_mon --help\n" #~ "crm_mon - Provides a summary of cluster's current state.\n" #~ "\n" #~ "Outputs varying levels of detail in a number of different formats.\n" #~ "\n" #~ "Usage: crm_mon mode [options]\n" #~ "Options:\n" #~ " -?, --help                 This text\n" #~ " -$, --version             Version information\n" #~ " -V, --verbose             Increase debug output\n" #~ "\n" #~ "Modes:\n" #~ " -h, --as-html=value        Write cluster status to the named file\n" #~ " -w, --web-cgi             Web mode with output suitable for cgi\n" #~ " -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)\n" #~ " -S, --snmp-traps=value    Send SNMP traps to this station\n" #~ " -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix\n" #~ "\n" #~ "Display Options:\n" #~ " -n, --group-by-node       Group resources by node\n" #~ " -r, --inactive             Display inactive resources\n" #~ " -f, --failcounts           Display resource fail counts\n" #~ " -o, --operations           Display resource operation history\n" #~ " -t, --timing-details       Display resource operation history with timing details\n" #~ "\n" #~ "\n" #~ "Additional Options:\n" #~ " -i, --interval=value           Update frequency in seconds\n" #~ " -1, --one-shot                 Display the cluster status once on the console and exit\n" #~ " -N, --disable-ncurses          Disable the use of ncurses\n" #~ " -d, --daemonize                Run in the background as a daemon\n" #~ " -p, --pid-file=value           (Advanced) Daemon pid file location\n" #~ " -F, --mail-from=value          Mail alerts should come from the named user\n" #~ " -H, --mail-host=value          Mail alerts should be sent via the named host\n" #~ " -P, --mail-prefix=value        Subjects for mail alerts should start with this string\n" #~ " -E, --external-agent=value     A program to run when resource operations take place.\n" #~ " -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "Display the cluster´s status on the console with updates as they occur:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display the cluster´s status on the console just once then exit:\n" #~ "        # crm_mon -1\n" #~ "\n" #~ "Display your cluster´s status, group resources by node, and include inactive resources in the list:\n" #~ "        # crm_mon --group-by-node --inactive\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:\n" #~ "        # crm_mon --daemonize --as-html /path/to/docroot/filename.html\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send email alerts:\n" #~ "        # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send SNMP alerts:\n" #~ "        # crm_mon --daemonize --snmp-traps snmptrapd.example.com\n" #~ "\n" #~ "Report bugs to pacemaker@oss.clusterlabs.org\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Ch-Verification.po000066400000000000000000000506601217637305600256330ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-26 13:57+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Verify Cluster Installation" msgstr "Verificați Instalarea Clusterului" #. Tag: title #, no-c-format msgid "Start the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Now that corosync is configured, it is time to start the cluster. The command below will start corosync and pacemaker on both nodes in the cluster. If you are issuing the start command from a different node than the one you ran the pcs cluster auth command on earlier, you must authenticate on current node you are logged into before you will be allowed to start the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start --all\n" "pcmk-1: Starting Cluster...\n" "pcmk-2: Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "An alternative to using the pcs cluster startall command is to issue either of the below commands on each node in the cluster by hand." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start\n" "Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "or" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start corosync.service\n" "# systemctl start pacemaker.service" msgstr "" #. Tag: title #, no-c-format msgid "Verify Corosync Installation" msgstr "Verificați Instalarea Corosync" #. Tag: para #, no-c-format msgid "The first thing to check is if cluster communication is happy, for that we use corosync-cfgtool." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cfgtool -s\n" "Printing ring status.\n" "Local node ID 1\n" "RING ID 0\n" " id = 192.168.122.101\n" " status = ring 0 active with no faults" msgstr "" #. Tag: para #, no-c-format msgid "We can see here that everything appears normal with our fixed IP address, not a 127.0.0.x loopback address, listed as the id and no faults for the status." msgstr "" #. Tag: para #, no-c-format msgid "If you see something different, you might want to start by checking the node’s network, firewall and selinux configurations." msgstr "" #. Tag: para #, no-c-format msgid "Next we check the membership and quorum APIs:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cmapctl | grep members\n" "runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.122.101)\n" "runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.1.status (str) = joined\n" "runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.122.102)\n" "runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.2.status (str) = joined\n" "\n" "# pcs status corosync\n" "Membership information\n" " --------------------------\n" " Nodeid Votes Name\n" " 1 1 pcmk-1\n" " 2 1 pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "You should see both nodes have joined the cluster." msgstr "" #. Tag: para #, no-c-format msgid "All good!" msgstr "" #. Tag: title #, no-c-format msgid "Verify Pacemaker Installation" msgstr "Verificați Instalarea Pacemaker" #. Tag: para #, fuzzy, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack. Pacemaker has already been started, so verify the necessary processes are running." msgstr "Acum că am confirmat că este funcțional Corosync putem verifica și restul stivei." #. Tag: programlisting #, no-c-format msgid "" "# ps axf\n" " PID TTY STAT TIME COMMAND\n" " 2 ? S 0:00 [kthreadd]\n" "...lots of processes...\n" "28019 ? Ssl 0:03 /usr/sbin/corosync\n" "28047 ? Ss 0:00 /usr/sbin/pacemakerd -f\n" "28048 ? Ss 0:00 \\_ /usr/libexec/pacemaker/cib\n" "28049 ? Ss 0:00 \\_ /usr/libexec/pacemaker/stonithd\n" "28050 ? Ss 0:00 \\_ /usr/lib64/heartbeat/lrmd\n" "28051 ? Ss 0:00 \\_ /usr/libexec/pacemaker/attrd\n" "28052 ? Ss 0:00 \\_ /usr/libexec/pacemaker/pengine\n" "28053 ? Ss 0:00 \\_ /usr/libexec/pacemaker/crmd" msgstr "" #. Tag: para #, no-c-format msgid "If that looks ok, check the pcs status output." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 09:52:25 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, no-c-format msgid "Next, check for any ERRORs during startup - there shouldn’t be any." msgstr "În continuare, verificați pentru orice mesaje de tip ERROR din timpul pornirii - nu ar trebui să existe nici unul." #. Tag: programlisting #, no-c-format msgid "# grep -i error /var/log/messages" msgstr "" #. Tag: para #, no-c-format msgid "Repeat these checks on the other node. The results should be the same." msgstr "" #~ msgid "Start Corosync on the first node" #~ msgstr "Porniți Corosync pe primul nod" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ msgid "Check the cluster started correctly and that an initial membership was able to form" #~ msgstr "Verificați dacă a pornit corect clusterul și că o apartenență inițială s-a putut forma" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e \"corosync.*network interface\" -e \"Corosync Cluster Engine\" \\\n" #~ "-e \"Successfully read main configuration file\" /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service.\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'.\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e \"corosync.*network interface\" -e \"Corosync Cluster Engine\" \\\n" #~ "-e \"Successfully read main configuration file\" /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service.\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'.\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgid "With one node functional, it's now safe to start Corosync on the second node as well." #~ msgstr "Cu un nod funcțional, este acum în siguranță să pornim Corosync de asemenea pe al doilea nod." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "Check the cluster formed correctly" #~ msgstr "Verificați dacă s-a format corect clusterul" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ "Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ "Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep pcmk_startup /var/log/messages\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep pcmk_startup /var/log/messages\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1\n" #~ msgid "Now try starting Pacemaker and check the necessary processes have been started" #~ msgstr "Acum încercați să porniți Pacemaker și verificați că procesele necesare au fost pornite" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "\t\t" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "\t\t" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e pacemakerd.*get_config_opt -e pacemakerd.*start_child \\\n" #~ "-e \"Starting Pacemaker\" /var/log/messages\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'pacemaker' for option: name\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found '1' for option: ver\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Defaulting to 'no' for option: use_logd\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Defaulting to 'no' for option: use_mgmtd\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'on' for option: debug\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'yes' for option: to_logfile\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found '/var/log/corosync.log' for option: logfile\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'yes' for option: to_syslog\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'daemon' for option: syslog_facility\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: main: Starting Pacemaker 1.1.5 (Build: 31f088949239+): docbook-manpages publican ncurses trace-logging cman cs-quorum heartbeat corosync snmp libesmtp\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14022 for process stonith-ng\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14023 for process cib\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14024 for process lrmd\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14025 for process attrd\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14026 for process pengine\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14027 for process crmd\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e pacemakerd.*get_config_opt -e pacemakerd.*start_child \\\n" #~ "-e \"Starting Pacemaker\" /var/log/messages\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'pacemaker' for option: name\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found '1' for option: ver\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Defaulting to 'no' for option: use_logd\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Defaulting to 'no' for option: use_mgmtd\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'on' for option: debug\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'yes' for option: to_logfile\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found '/var/log/corosync.log' for option: logfile\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'yes' for option: to_syslog\n" #~ "Feb 8 13:31:24 pcmk-1 pacemakerd: [13155]: info: get_config_opt: Found 'daemon' for option: syslog_facility\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: main: Starting Pacemaker 1.1.5 (Build: 31f088949239+): docbook-manpages publican ncurses trace-logging cman cs-quorum heartbeat corosync snmp libesmtp\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14022 for process stonith-ng\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14023 for process cib\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14024 for process lrmd\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14025 for process attrd\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14026 for process pengine\n" #~ "Feb 8 16:50:38 pcmk-1 pacemakerd: [13990]: info: start_child: Forked child 14027 for process crmd\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ps axf\n" #~ "  PID TTY      STAT   TIME COMMAND\n" #~ "    2 ?        S<     0:00 [kthreadd]\n" #~ "    3 ?        S<     0:00  \\_ [migration/0]\n" #~ "... lots of processes ...\n" #~ " 13990 ?    S      0:01 pacemakerd\n" #~ " 14022 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/stonithd\n" #~ " 14023 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/cib\n" #~ " 14024 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/lrmd\n" #~ " 14025 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/attrd\n" #~ " 14026 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/pengine\n" #~ " 14027 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/crmd\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ps axf\n" #~ "  PID TTY      STAT   TIME COMMAND\n" #~ "    2 ?        S<     0:00 [kthreadd]\n" #~ "    3 ?        S<     0:00  \\_ [migration/0]\n" #~ "... lots of processes ...\n" #~ " 13990 ?    S      0:01 pacemakerd\n" #~ " 14022 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/stonithd\n" #~ " 14023 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/cib\n" #~ " 14024 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/lrmd\n" #~ " 14025 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/attrd\n" #~ " 14026 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/pengine\n" #~ " 14027 ?    Sa      0:00  \\_ /usr/lib64/heartbeat/crmd\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources\n" #~ "[root@pcmk-1 ~]# \n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources\n" #~ "[root@pcmk-1 ~]# \n" #~ msgid "Repeat on the other node and display the cluster's status." #~ msgstr "Repetați pe nodul celălalt și listați status-ul clusterului." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Aug 27 16:54:55 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "0 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/pacemaker start\n" #~ "Starting Pacemaker Cluster Manager: [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Aug 27 16:54:55 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "0 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Clusters_from_Scratch.po000066400000000000000000000006211217637305600271470ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-24 08:23+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Preface.po000066400000000000000000000007221217637305600242200ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-26 13:57+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "Prefață" pacemaker-master/doc/Clusters_from_Scratch/ro-RO/Revision_History.po000066400000000000000000000025661217637305600262020ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2011-11-26 13:59+0200\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "Istoricul Reviziilor" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "Import din Pages.app" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: member #, no-c-format msgid "Italian translation" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 13" msgstr "" #. Tag: member #, no-c-format msgid "Update the GFS2 section to use CMAN" msgstr "" #. Tag: member #, no-c-format msgid "Generate docbook content from asciidoc sources" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 17" msgstr "" #. Tag: firstname #, no-c-format msgid "David" msgstr "" #. Tag: surname #, no-c-format msgid "Vossel" msgstr "" #. Tag: member #, no-c-format msgid "Updated for pcs" msgstr "" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/000077500000000000000000000000001217637305600222735ustar00rootroot00000000000000pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Configuration.mo000066400000000000000000000410671217637305600260050ustar00rootroot00000000000000,|;k 5 #O si|9 F"L?">Q?ZH  ?>p9DQAMA!U!Z!V@"O"P"*8#c#k u$-#-/0|1039345L687?7 R7_7c8v8 88888r83Z:[:; << <<?<>=X=9x>->>0@K@BA6aASA%A$B"+ ' !,* %& $( #)  [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone Fencing rsa-fencing clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled=”true” \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" clone WebIP ClusterIP           meta globally-unique=”true” clone-max=”2” clone-node-max=”2” primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” clone WebFSClone WebFS colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" clone WebSiteClone WebSite colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation website-with-ip inf: WebSiteClone WebIP order apache-after-ip inf: WebIP WebSiteClone order WebSite-after-WebFS inf: WebFSClone WebSiteClone primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" clone dlm-clone dlm \         meta interleave="true primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" clone gfs-clone gfs-control \         meta interleave="true" colocation gfs-with-dlm inf: gfs-clone dlm-clone order start-gfs-after-dlm inf: dlm-clone gfs-clone primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" clone Fencing rsa-fencing property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled=”true” \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” ApacheCluster FilesystemCluster OptionsCluster filesystems like GFS2 require a lock manager. This service starts the daemon that provides user-space applications (such as the GFS2 daemon) with access to the in-kernel lock manager. Since we need it to be available on all nodes in the cluster, we have it cloned.Configuration RecapDRBD - Shared StorageDefault OptionsDistributed lock managerFencingFinal Cluster ConfigurationGFS control daemonGFS2 also needs a user-space/kernel bridge that runs on every node. So here we have another clone, however this time we must also specify that it can only run on machines that are also running the DLM (colocation constraint) and that it can only be started after the DLM is running (order constraint). Additionally, the gfs-control clone should only care about the DLM instances it is paired with, so we need to set the interleave option.Here we configure cluster options that apply to every resource.Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it’s peer changes state.Lastly we have the actual service, Apache. We need only tell the cluster where to find it’s main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active.Node ListResourcesService AddressTODO: Add text hereTODO: Confirm interleave is no longer neededTODO: The RA should check for globally-unique=true when clonedThe cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances.The list of cluster nodes is automatically populated by the cluster.This is where the cluster automatically stores some information about the clusterUsers of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one “request bucket” for each node) and that if one node fails, then the remaining node should hold both.and where the admin can set options that control the way the cluster operatescluster-infrastructure - the cluster infrastructure being used (heartbeat or openais)dc-version - the version (including upstream source-code hash) of Pacemaker used on the DCexpected-quorum-votes - the maximum number of nodes expected to be part of the clusterno-quorum-policy=ignore - Ignore loss of quorum and continue to host resources.resource-stickiness - Specify the aversion to moving resources to other machinesstonith-enabled=true - Make use of STONITHProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-15 23:34+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone Fencing rsa-fencing clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled=”true” \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" clone WebIP ClusterIP           meta globally-unique=”true” clone-max=”2” clone-node-max=”2” primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” clone WebFSClone WebFS colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" clone WebSiteClone WebSite colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation website-with-ip inf: WebSiteClone WebIP order apache-after-ip inf: WebIP WebSiteClone order WebSite-after-WebFS inf: WebFSClone WebSiteClone primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" clone dlm-clone dlm \         meta interleave="true primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" clone gfs-clone gfs-control \         meta interleave="true" colocation gfs-with-dlm inf: gfs-clone dlm-clone order start-gfs-after-dlm inf: dlm-clone gfs-clone primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" clone Fencing rsa-fencing property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled=”true” \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” Apache集群文件系统集群选项像GFS2集群文件系统需要一个锁管理。该服务启动守护进程，提供了访问内核中的锁管理器的用户空间应用程序（如GFS2守护进程）。因为我们需要它在集群中的所有可用节点中运行，我们把它clone。配置扼要重述DRBD - 共享存储默认选项分布式锁控制器隔离最终的集群配置文件GFS 控制守护进程GFS2还需要一个user-space到kernel的桥梁，每个节点上要运行。所以在这里我们还有一个clone，但是这一次我们还必须指定它只能运行在有DLM的机器上（colocation 约束），它只能在DLM后启动 （order约束）。此外，gfs-control clone应该只关系与其配对的DLM实例，所以我们还要设置interleave 选项这里我们设置所有资源共用的集群选项在这里，我们定义了DRBD技术服务，并指定DRBD应该管理的资源（从drbd.conf）。我们让它作为主/从资源，并且为了active/active，用设置master-max=2来允许两者都晋升为master。我们还可以设置通知选项，这样，当时集群的节点的状态发生改变时，该集群将告诉DRBD的agent。 最后我们有了真正的服务，Apache，我们只需要告诉集群在哪里可以找到它的主配置文件，并限制其只在挂载了文件系统和有可用IP节点上运行节点列表资源服务地址TODO: Add text hereTODO: Confirm interleave is no longer neededTODO: The RA should check for globally-unique=true when cloned群集文件系统可确保文件读写正确。我们需要指定我们想挂载并使用GFS2的块设备（由DRBD提供）。这又是一个clone，因为它的目的是在两个节点上都可用。这些额外的限制确保它只在有gfs-control和drbd 实例的节点上运行。这个列表中的集群节点是集群自动添加的。这是集群自动存储集群信息的地方用户需要一个不变的地址来访问集群所提供的服务。此外，我们clone了地址，以便在两个节点上都使用这个IP。一个iptables规则（resource agent的一部分）是用来确保每个请求只能由两个节点中的某一个处理。这些额外的集群选项告诉我们想要两个clone（每个节点一个“请求桶”）实例，如果一个节点失效，那么剩下的节点处理这两个请求桶。以及管理员设置集群操作的方法选项集群-基层 - 集群使用的基层软件 (heartbeat or openais/corosync)dc-version - DC使用的Pacemaker的版本(包括源代码的hash)expected-quorum-votes - 预期的集群最大成员数no-quorum-policy=ignore - 忽略达不到法定人数的情况，继续运行资源resource-stickiness - 资源粘稠值stonith-enabled=true - 使用STONITHpacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Configuration.po000066400000000000000000000776601217637305600260200ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:34+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Recap" msgstr "配置扼要重述" #. Tag: title #, no-c-format msgid "Final Cluster Configuration" msgstr "最终的集群配置文件" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100\n" "# pcs resource op defaults\n" "timeout: 240s\n" "# pcs stonith\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " ClusterIP-clone then WebSite-clone\n" " WebDataClone then WebSite-clone\n" " WebFS-clone then WebSite-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone\n" "#\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 13:45:34 2012\n" "Last change: Fri Sep 14 13:43:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "11 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " impi-fencing (stonith:fence_ipmilan): Started" msgstr "" #. Tag: para #, no-c-format msgid "In xml it should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib admin_epoch=\"0\" cib-last-written=\"Fri Sep 14 13:43:13 2012\" crm_feature_set=\"3.0.6\" dc-uuid=\"1\" epoch=\"47\" have-quorum=\"1\" num_updates=\"50\" update-client=\"cibadmin\" update-origin=\"pcmk-1\" validate-with=\"pacemaker-1.2\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " <nvpair id=\"cib-bootstrap-options-no-quorum-policy\" name=\"no-quorum-policy\" value=\"ignore\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"true\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" type=\"normal\" uname=\"pcmk-1\"/>\n" " <node id=\"2\" type=\"normal\" uname=\"pcmk-2\"/>\n" " </nodes>\n" " <resources>\n" " <master id=\"WebDataClone\">\n" " <primitive class=\"ocf\" id=\"WebData\" provider=\"linbit\" type=\"drbd\">\n" " <instance_attributes id=\"WebData-instance_attributes\">\n" " <nvpair id=\"WebData-instance_attributes-drbd_resource\" name=\"drbd_resource\" value=\"wwwdata\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebData-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebDataClone-meta_attributes\">\n" " <nvpair id=\"WebDataClone-meta_attributes-master-node-max\" name=\"master-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-notify\" name=\"notify\" value=\"true\"/>\n" " <nvpair id=\"WebDataClone-meta_attributes-master-max\" name=\"master-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </master>\n" " <clone id=\"dlm-clone\">\n" " <primitive class=\"ocf\" id=\"dlm\" provider=\"pacemaker\" type=\"controld\">\n" " <instance_attributes id=\"dlm-instance_attributes\"/>\n" " <operations>\n" " <op id=\"dlm-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"dlm-clone-meta\">\n" " <nvpair id=\"dlm-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"dlm-clone-node-max\" name=\"clone-node-max\" value=\"1\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"ClusterIP-clone\">\n" " <primitive class=\"ocf\" id=\"ClusterIP\" provider=\"heartbeat\" type=\"IPaddr2\">\n" " <instance_attributes id=\"ClusterIP-instance_attributes\">\n" " <nvpair id=\"ClusterIP-instance_attributes-ip\" name=\"ip\" value=\"192.168.0.120\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-cidr_netmask\" name=\"cidr_netmask\" value=\"32\"/>\n" " <nvpair id=\"ClusterIP-instance_attributes-clusterip_hash\" name=\"clusterip_hash\" value=\"sourceip\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ClusterIP-interval-30s\" interval=\"30s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"ClusterIP-clone-meta\">\n" " <nvpair id=\"ClusterIP-globally-unique\" name=\"globally-unique\" value=\"true\"/>\n" " <nvpair id=\"ClusterIP-clone-max\" name=\"clone-max\" value=\"2\"/>\n" " <nvpair id=\"ClusterIP-clone-node-max\" name=\"clone-node-max\" value=\"2\"/>\n" " </meta_attributes>\n" " </clone>\n" " <clone id=\"WebFS-clone\">\n" " <primitive class=\"ocf\" id=\"WebFS\" provider=\"heartbeat\" type=\"Filesystem\">\n" " <instance_attributes id=\"WebFS-instance_attributes\">\n" " <nvpair id=\"WebFS-instance_attributes-device\" name=\"device\" value=\"/dev/drbd/by-res/wwwdata\"/>\n" " <nvpair id=\"WebFS-instance_attributes-directory\" name=\"directory\" value=\"/var/www/html\"/>\n" " <nvpair id=\"WebFS-instance_attributes-fstype\" name=\"fstype\" value=\"gfs2\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"WebFS-meta_attributes\"/>\n" " </primitive>\n" " <meta_attributes id=\"WebFS-clone-meta\"/>\n" " </clone>\n" " <clone id=\"WebSite-clone\">\n" " <primitive class=\"ocf\" id=\"WebSite\" provider=\"heartbeat\" type=\"apache\">\n" " <instance_attributes id=\"WebSite-instance_attributes\">\n" " <nvpair id=\"WebSite-instance_attributes-configfile\" name=\"configfile\" value=\"/etc/httpd/conf/httpd.conf\"/>\n" " <nvpair id=\"WebSite-instance_attributes-statusurl\" name=\"statusurl\" value=\"http://localhost/server-status\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"WebSite-interval-1min\" interval=\"1min\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " <meta_attributes id=\"WebSite-clone-meta\"/>\n" " </clone>\n" " <primitive class=\"stonith\" id=\"impi-fencing\" type=\"fence_ipmilan\">\n" " <instance_attributes id=\"impi-fencing-instance_attributes\">\n" " <nvpair id=\"impi-fencing-instance_attributes-pcmk_host_list\" name=\"pcmk_host_list\" value=\"pcmk-1 pcmk-2\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-ipaddr\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-login\" name=\"login\" value=\"testuser\"/>\n" " <nvpair id=\"impi-fencing-instance_attributes-passwd\" name=\"passwd\" value=\"acd123\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"impi-fencing-interval-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"colocation-WebSite-ClusterIP-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"ClusterIP-clone\"/>\n" " <rsc_order first=\"ClusterIP-clone\" first-action=\"start\" id=\"order-ClusterIP-WebSite-mandatory\" then=\"WebSite-clone\" then-action=\"start\"/>\n" " <rsc_colocation id=\"colocation-WebFS-WebDataClone-INFINITY\" rsc=\"WebFS-clone\" score=\"INFINITY\" with-rsc=\"WebDataClone\" with-rsc-role=\"Master\"/>\n" " <rsc_colocation id=\"colocation-WebSite-WebFS-INFINITY\" rsc=\"WebSite-clone\" score=\"INFINITY\" with-rsc=\"WebFS-clone\"/>\n" " <rsc_order first=\"WebFS-clone\" id=\"order-WebFS-WebSite-mandatory\" then=\"WebSite-clone\"/>\n" " <rsc_order first=\"WebDataClone\" first-action=\"promote\" id=\"order-WebDataClone-WebFS-mandatory\" then=\"WebFS-clone\" then-action=\"start\"/>\n" " </constraints>\n" " <rsc_defaults>\n" " <meta_attributes id=\"rsc_defaults-options\">\n" " <nvpair id=\"rsc_defaults-options-resource-stickiness\" name=\"resource-stickiness\" value=\"100\"/>\n" " </meta_attributes>\n" " </rsc_defaults>\n" " <op_defaults>\n" " <meta_attributes id=\"op_defaults-options\">\n" " <nvpair id=\"op_defaults-options-timeout\" name=\"timeout\" value=\"240s\"/>\n" " </meta_attributes>\n" " </op_defaults>\n" " </configuration>\n" "</cib>" msgstr "" #. Tag: title #, no-c-format msgid "Node List" msgstr "节点列表" #. Tag: para #, no-c-format msgid "The list of cluster nodes is automatically populated by the cluster." msgstr "这个列表中的集群节点是集群自动添加的。" #. Tag: literallayout #, no-c-format msgid "" "Pacemaker Nodes:\n" " Online: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "集群选项" #. Tag: para #, no-c-format msgid "This is where the cluster automatically stores some information about the cluster" msgstr "这是集群自动存储集群信息的地方" #. Tag: para #, no-c-format msgid "dc-version - the version (including upstream source-code hash) of Pacemaker used on the DC" msgstr "dc-version - DC使用的Pacemaker的版本(包括源代码的hash)" #. Tag: para #, no-c-format msgid "cluster-infrastructure - the cluster infrastructure being used (heartbeat or openais)" msgstr "集群-基层 - 集群使用的基层软件 (heartbeat or openais/corosync)" #. Tag: para #, no-c-format msgid "expected-quorum-votes - the maximum number of nodes expected to be part of the cluster" msgstr "expected-quorum-votes - 预期的集群最大成员数" #. Tag: para #, no-c-format msgid "and where the admin can set options that control the way the cluster operates" msgstr "以及管理员设置集群操作的方法选项" #. Tag: para #, no-c-format msgid "stonith-enabled=true - Make use of STONITH" msgstr "stonith-enabled=true - 使用STONITH" #. Tag: para #, no-c-format msgid "no-quorum-policy=ignore - Ignore loss of quorum and continue to host resources." msgstr "no-quorum-policy=ignore - 忽略达不到法定人数的情况，继续运行资源" #. Tag: programlisting #, no-c-format msgid "" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: title #, no-c-format msgid "Resources" msgstr "资源" #. Tag: title #, no-c-format msgid "Default Options" msgstr "默认选项" #. Tag: para #, no-c-format msgid "Here we configure cluster options that apply to every resource." msgstr "这里我们设置所有资源共用的集群选项" #. Tag: para #, no-c-format msgid "resource-stickiness - Specify the aversion to moving resources to other machines" msgstr "resource-stickiness - 资源粘稠值" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #. Tag: title #, no-c-format msgid "Fencing" msgstr "隔离" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith show\n" " impi-fencing (stonith:fence_ipmilan) Started\n" "# pcs stonith show impi-fencing\n" "Resource: impi-fencing\n" " pcmk_host_list: pcmk-1 pcmk-2\n" " ipaddr: 10.0.0.1\n" " login: testuser\n" " passwd: acd123" msgstr "" #. Tag: title #, no-c-format msgid "Service Address" msgstr "服务地址" #. Tag: para #, fuzzy, no-c-format msgid "Users of the services provided by the cluster require an unchanging address with which to access it. Additionally, we cloned the address so it will be active on both nodes. An iptables rule (created as part of the resource agent) is used to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster that we want two instances of the clone (one \"request bucket\" for each node) and that if one node fails, then the remaining node should hold both." msgstr "用户需要一个不变的地址来访问集群所提供的服务。此外，我们clone了地址，以便在两个节点上都使用这个IP。一个iptables规则（resource agent的一部分）是用来确保每个请求只能由两个节点中的某一个处理。这些额外的集群选项告诉我们想要两个clone（每个节点一个“请求桶”）实例，如果一个节点失效，那么剩下的节点处理这两个请求桶。" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show ClusterIP-clone\n" "Resource: ClusterIP-clone\n" " ip: 192.168.0.120\n" " cidr_netmask: 32\n" " clusterip_hash: sourceip\n" " globally-unique: true\n" " clone-max: 2\n" " clone-node-max: 2\n" " op monitor interval=30s" msgstr "" #. Tag: para #, no-c-format msgid "TODO: The RA should check for globally-unique=true when cloned" msgstr "TODO: The RA should check for globally-unique=true when cloned" #. Tag: title #, no-c-format msgid "DRBD - Shared Storage" msgstr "DRBD - 共享存储" #. Tag: para #, no-c-format msgid "Here we define the DRBD service and specify which DRBD resource (from drbd.conf) it should manage. We make it a master/slave resource and, in order to have an active/active setup, allow both instances to be promoted by specifying master-max=2. We also set the notify option so that the cluster will tell DRBD agent when it’s peer changes state." msgstr "在这里，我们定义了DRBD技术服务，并指定DRBD应该管理的资源（从drbd.conf）。我们让它作为主/从资源，并且为了active/active，用设置master-max=2来允许两者都晋升为master。我们还可以设置通知选项，这样，当时集群的节点的状态发生改变时，该集群将告诉DRBD的agent。 " #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebDataClone\n" "Resource: WebDataClone\n" " drbd_resource: wwwdata\n" " master-node-max: 1\n" " clone-max: 2\n" " clone-node-max: 1\n" " notify: true\n" " master-max: 2\n" " op monitor interval=60s\n" "# pcs constraint ref WebDataClone\n" "Resource: WebDataClone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Cluster Filesystem" msgstr "集群文件系统" #. Tag: para #, no-c-format msgid "The cluster filesystem ensures that files are read and written correctly. We need to specify the block device (provided by DRBD), where we want it mounted and that we are using GFS2. Again it is a clone because it is intended to be active on both nodes. The additional constraints ensure that it can only be started on nodes with active gfs-control and drbd instances." msgstr "群集文件系统可确保文件读写正确。我们需要指定我们想挂载并使用GFS2的块设备（由DRBD提供）。这又是一个clone，因为它的目的是在两个节点上都可用。这些额外的限制确保它只在有gfs-control和drbd 实例的节点上运行。" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS-clone\n" "Resource: WebFS-clone\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" "# pcs constraint ref WebFS-clone\n" "Resource: WebFS-clone\n" " colocation-WebFS-WebDataClone-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-WebFS-WebSite-mandatory\n" " order-WebDataClone-WebFS-mandatory" msgstr "" #. Tag: title #, no-c-format msgid "Apache" msgstr "Apache" #. Tag: para #, no-c-format msgid "Lastly we have the actual service, Apache. We need only tell the cluster where to find it’s main configuration file and restrict it to running on nodes that have the required filesystem mounted and the IP address active." msgstr "最后我们有了真正的服务，Apache，我们只需要告诉集群在哪里可以找到它的主配置文件，并限制其只在挂载了文件系统和有可用IP节点上运行" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebSite-clone\n" "Resource: WebSite-clone\n" " configfile: /etc/httpd/conf/httpd.conf\n" " statusurl: http://localhost/server-status\n" " master-max: 2\n" " op monitor interval=1min\n" "# pcs constraint ref WebSite-clone\n" "Resource: WebSite-clone\n" " colocation-WebSite-ClusterIP-INFINITY\n" " colocation-WebSite-WebFS-INFINITY\n" " order-ClusterIP-WebSite-mandatory\n" " order-WebFS-WebSite-mandatory" msgstr "" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone Fencing rsa-fencing \n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=”true” \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone Fencing rsa-fencing \n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=”true” \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgid "" #~ "\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ msgstr "" #~ "\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ msgid "" #~ "\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=”true” \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgstr "" #~ "\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=”true” \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgid "" #~ "\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgstr "" #~ "\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgid "TODO: Add text here" #~ msgstr "TODO: Add text here" #~ msgid "" #~ "\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "clone Fencing rsa-fencing\n" #~ msgstr "" #~ "\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "clone Fencing rsa-fencing\n" #~ msgid "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "clone WebIP ClusterIP  \n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ msgstr "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "clone WebIP ClusterIP  \n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ msgid "Distributed lock manager" #~ msgstr "分布式锁控制器" #~ msgid "Cluster filesystems like GFS2 require a lock manager. This service starts the daemon that provides user-space applications (such as the GFS2 daemon) with access to the in-kernel lock manager. Since we need it to be available on all nodes in the cluster, we have it cloned." #~ msgstr "像GFS2集群文件系统需要一个锁管理。该服务启动守护进程，提供了访问内核中的锁管理器的用户空间应用程序（如GFS2守护进程）。因为我们需要它在集群中的所有可用节点中运行，我们把它clone。" #~ msgid "" #~ "\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\n" #~ msgstr "" #~ "\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\n" #~ msgid "TODO: Confirm interleave is no longer needed" #~ msgstr "TODO: Confirm interleave is no longer needed" #~ msgid "GFS control daemon" #~ msgstr "GFS 控制守护进程" #~ msgid "GFS2 also needs a user-space/kernel bridge that runs on every node. So here we have another clone, however this time we must also specify that it can only run on machines that are also running the DLM (colocation constraint) and that it can only be started after the DLM is running (order constraint). Additionally, the gfs-control clone should only care about the DLM instances it is paired with, so we need to set the interleave option." #~ msgstr "GFS2还需要一个user-space到kernel的桥梁，每个节点上要运行。所以在这里我们还有一个clone，但是这一次我们还必须指定它只能运行在有DLM的机器上（colocation 约束），它只能在DLM后启动 （order约束）。此外，gfs-control clone应该只关系与其配对的DLM实例，所以我们还要设置interleave 选项" #~ msgid "" #~ "\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ msgstr "" #~ "\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ msgid "" #~ "\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ msgstr "" #~ "\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ msgid "" #~ "\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "clone WebFSClone WebFS\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ msgstr "" #~ "\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "clone WebFSClone WebFS\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ msgid "" #~ "\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ msgstr "" #~ "\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "clone WebSiteClone WebSite\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Corosync-Conf.mo000066400000000000000000000113211217637305600256460ustar00rootroot000000000000004L`a "  # Please read the Corosync.conf.5 manual page compatibility: whitetank aisexec {         # Run as root - this is necessary to be able to manage resources with Pacemaker         user:        root         group:        root } service {         # Load the Pacemaker Cluster Resource Manager         ver:       0         name:      pacemaker         use_mgmtd: no         use_logd:  no } totem {         version: 2         # How long before declaring a token lost (ms)         token:          5000         # How many token retransmits before forming a new configuration         token_retransmits_before_loss_const: 10         # How long to wait for join messages in the membership protocol (ms)         join:           1000         # How long to wait for consensus to be achieved before starting a new         # round of membership configuration (ms)         consensus:      6000         # Turn off the virtual synchrony filter         vsftype:        none         # Number of messages that may be sent by one processor on receipt of the token         max_messages:   20         # Stagger sending the node join messages by 1..send_join ms         send_join: 45         # Limit generated nodeids to 31-bits (positive signed integers)         clear_node_high_bit: yes         # Disable encryption         secauth:        off         # How many threads to use for encryption/decryption         threads:           0         # Optionally assign a fixed node id (integer)         # nodeid:         1234         interface {                 ringnumber: 0                 # The following values need to be set based on your environment                 bindnetaddr: 192.168.122.0                 mcastaddr: 226.94.1.1                 mcastport: 4000         } } logging {         debug: off         fileline: off         to_syslog: yes         to_stderr: off         syslog_facility: daemon         timestamp: on } amf {         mode: disabled } Sample Corosync.confProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-15 23:35+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit # Please read the Corosync.conf.5 manual page compatibility: whitetank aisexec {         # Run as root - this is necessary to be able to manage resources with Pacemaker         user:        root         group:        root } service {         # Load the Pacemaker Cluster Resource Manager         ver:       0         name:      pacemaker         use_mgmtd: no         use_logd:  no } totem {         version: 2         # How long before declaring a token lost (ms)         token:          5000         # How many token retransmits before forming a new configuration         token_retransmits_before_loss_const: 10         # How long to wait for join messages in the membership protocol (ms)         join:           1000         # How long to wait for consensus to be achieved before starting a new         # round of membership configuration (ms)         consensus:      6000         # Turn off the virtual synchrony filter         vsftype:        none         # Number of messages that may be sent by one processor on receipt of the token         max_messages:   20         # Stagger sending the node join messages by 1..send_join ms         send_join: 45         # Limit generated nodeids to 31-bits (positive signed integers)         clear_node_high_bit: yes         # Disable encryption         secauth:        off         # How many threads to use for encryption/decryption         threads:           0         # Optionally assign a fixed node id (integer)         # nodeid:         1234         interface {                 ringnumber: 0                 # The following values need to be set based on your environment                 bindnetaddr: 192.168.122.0                 mcastaddr: 226.94.1.1                 mcastport: 4000         } } logging {         debug: off         fileline: off         to_syslog: yes         to_stderr: off         syslog_facility: daemon         timestamp: on } amf {         mode: disabled } Corosync.conf 样例pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Corosync-Conf.po000066400000000000000000000146471217637305600256670ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:35+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Sample Corosync Configuration" msgstr "Corosync.conf 样例" #. Tag: title #, no-c-format msgid "Sample corosync.conf for two-node cluster using a node list." msgstr "" #. Tag: literallayout #, no-c-format msgid "" "# Please read the corosync.conf.5 manual page\n" "totem {\n" "version: 2\n" "secauth: off\n" "cluster_name: mycluster\n" "transport: udpu\n" "}\n" "\n" "nodelist {\n" " node {\n" " ring0_addr: pcmk-1\n" " nodeid: 1\n" " }\n" " node {\n" " ring0_addr: pcmk-2\n" " nodeid: 2\n" " }\n" "}\n" "\n" "quorum {\n" " provider: corosync_votequorum\n" "}\n" "\n" "logging {\n" " to_syslog: yes\n" "}" msgstr "" #~ msgid "" #~ "\n" #~ "# Please read the Corosync.conf.5 manual page\n" #~ "compatibility: whitetank\n" #~ "\n" #~ "aisexec {\n" #~ "        # Run as root - this is necessary to be able to manage resources with Pacemaker\n" #~ "        user:        root\n" #~ "        group:        root\n" #~ "}\n" #~ "\n" #~ "service {\n" #~ "        # Load the Pacemaker Cluster Resource Manager\n" #~ "        ver:       0\n" #~ "        name:      pacemaker\n" #~ "        use_mgmtd: no\n" #~ "        use_logd:  no\n" #~ "}\n" #~ "\n" #~ "totem {\n" #~ "        version: 2\n" #~ "\n" #~ "        # How long before declaring a token lost (ms)\n" #~ "        token:          5000\n" #~ "\n" #~ "        # How many token retransmits before forming a new configuration\n" #~ "        token_retransmits_before_loss_const: 10\n" #~ "\n" #~ "        # How long to wait for join messages in the membership protocol (ms)\n" #~ "        join:           1000\n" #~ "\n" #~ "        # How long to wait for consensus to be achieved before starting a new\n" #~ "        # round of membership configuration (ms)\n" #~ "        consensus:      6000\n" #~ "\n" #~ "        # Turn off the virtual synchrony filter\n" #~ "        vsftype:        none\n" #~ "\n" #~ "        # Number of messages that may be sent by one processor on receipt of the token\n" #~ "        max_messages:   20\n" #~ "\n" #~ "        # Stagger sending the node join messages by 1..send_join ms\n" #~ "        send_join: 45\n" #~ "\n" #~ "        # Limit generated nodeids to 31-bits (positive signed integers)\n" #~ "        clear_node_high_bit: yes\n" #~ "\n" #~ "        # Disable encryption\n" #~ "        secauth:        off\n" #~ "\n" #~ "        # How many threads to use for encryption/decryption\n" #~ "        threads:           0\n" #~ "\n" #~ "        # Optionally assign a fixed node id (integer)\n" #~ "        # nodeid:         1234\n" #~ "\n" #~ "        interface {\n" #~ "                ringnumber: 0\n" #~ "\n" #~ "                # The following values need to be set based on your environment\n" #~ "                bindnetaddr: 192.168.122.0\n" #~ "                mcastaddr: 226.94.1.1\n" #~ "                mcastport: 4000\n" #~ "        }\n" #~ "}\n" #~ "\n" #~ "logging {\n" #~ "        debug: off\n" #~ "        fileline: off\n" #~ "        to_syslog: yes\n" #~ "        to_stderr: off\n" #~ "        syslog_facility: daemon\n" #~ "        timestamp: on\n" #~ "}\n" #~ "\n" #~ "amf {\n" #~ "        mode: disabled\n" #~ "}\n" #~ msgstr "" #~ "\n" #~ "# Please read the Corosync.conf.5 manual page\n" #~ "compatibility: whitetank\n" #~ "\n" #~ "aisexec {\n" #~ "        # Run as root - this is necessary to be able to manage resources with Pacemaker\n" #~ "        user:        root\n" #~ "        group:        root\n" #~ "}\n" #~ "\n" #~ "service {\n" #~ "        # Load the Pacemaker Cluster Resource Manager\n" #~ "        ver:       0\n" #~ "        name:      pacemaker\n" #~ "        use_mgmtd: no\n" #~ "        use_logd:  no\n" #~ "}\n" #~ "\n" #~ "totem {\n" #~ "        version: 2\n" #~ "\n" #~ "        # How long before declaring a token lost (ms)\n" #~ "        token:          5000\n" #~ "\n" #~ "        # How many token retransmits before forming a new configuration\n" #~ "        token_retransmits_before_loss_const: 10\n" #~ "\n" #~ "        # How long to wait for join messages in the membership protocol (ms)\n" #~ "        join:           1000\n" #~ "\n" #~ "        # How long to wait for consensus to be achieved before starting a new\n" #~ "        # round of membership configuration (ms)\n" #~ "        consensus:      6000\n" #~ "\n" #~ "        # Turn off the virtual synchrony filter\n" #~ "        vsftype:        none\n" #~ "\n" #~ "        # Number of messages that may be sent by one processor on receipt of the token\n" #~ "        max_messages:   20\n" #~ "\n" #~ "        # Stagger sending the node join messages by 1..send_join ms\n" #~ "        send_join: 45\n" #~ "\n" #~ "        # Limit generated nodeids to 31-bits (positive signed integers)\n" #~ "        clear_node_high_bit: yes\n" #~ "\n" #~ "        # Disable encryption\n" #~ "        secauth:        off\n" #~ "\n" #~ "        # How many threads to use for encryption/decryption\n" #~ "        threads:           0\n" #~ "\n" #~ "        # Optionally assign a fixed node id (integer)\n" #~ "        # nodeid:         1234\n" #~ "\n" #~ "        interface {\n" #~ "                ringnumber: 0\n" #~ "\n" #~ "                # The following values need to be set based on your environment\n" #~ "                bindnetaddr: 192.168.122.0\n" #~ "                mcastaddr: 226.94.1.1\n" #~ "                mcastport: 4000\n" #~ "        }\n" #~ "}\n" #~ "\n" #~ "logging {\n" #~ "        debug: off\n" #~ "        fileline: off\n" #~ "        to_syslog: yes\n" #~ "        to_stderr: off\n" #~ "        syslog_facility: daemon\n" #~ "        timestamp: on\n" #~ "}\n" #~ "\n" #~ "amf {\n" #~ "        mode: disabled\n" #~ "}\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Reading.mo000066400000000000000000000033041217637305600245370ustar00rootroot00000000000000 d %$%KJE YCS%Z$KE UTb  Cluster CommandsCorosyncProject Websitehttp://www.clusterlabs.orghttp://www.corosync.orghttp://www.novell.com/documentation/sles11/book_sleha/index.html?page=/documentation/sles11/book_sleha/data/book_sleha.htmlA comprehensive guide to cluster commands has been written by Novell and can be found at:Further ReadingProject-Id-Version: 0 POT-Creation-Date: 2010-09-22T10:48:14 PO-Revision-Date: 2010-12-15 20:03+0800 Last-Translator: Charlie Chen Language-Team: None MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cluster CommandsCorosyncProject Websitehttp://www.clusterlabs.orghttp://www.corosync.orghttp://www.novell.com/documentation/sles11/book_sleha/index.html?page=/documentation/sles11/book_sleha/data/book_sleha.html一个综合的指南,包含了Novell所写的集群命令,可以在这里被找到:延伸阅读pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ap-Reading.po000066400000000000000000000037521217637305600245510ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 20:03+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "延伸阅读" #. Tag: para #, fuzzy, no-c-format msgid "Project Website http://www.clusterlabs.org" msgstr "http://www.clusterlabs.org" #. Tag: para #, fuzzy, no-c-format msgid "Cluster Commands A comprehensive guide to cluster commands has been written by SuSE and can be found at: http://www.suse.com/documentation/sle_ha/book_sleha/?page=/documentation/sle_ha/book_sleha/data/book_sleha.html" msgstr "http://www.novell.com/documentation/sles11/book_sleha/index.html?page=/documentation/sles11/book_sleha/data/book_sleha.html" #. Tag: para #, fuzzy, no-c-format msgid "Corosync http://www.corosync.org" msgstr "http://www.corosync.org" #~ msgid "Project Website" #~ msgstr "Project Website" #~ msgid "Cluster Commands" #~ msgstr "Cluster Commands" #~ msgid "A comprehensive guide to cluster commands has been written by Novell and can be found at:" #~ msgstr "一个综合的指南,包含了Novell所写的集群命令,可以在这里被找到:" #~ msgid "Corosync" #~ msgstr "Corosync" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Author_Group.mo000066400000000000000000000011501217637305600252430ustar00rootroot00000000000000\  &-5HOU ]AndrewBeekhofItalian translationPrimary authorRaoulRed HatScarazziniProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-15 23:35+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit AndrewBeekhof意大利语翻译作者RaoulRed HatScarazzinipacemaker-master/doc/Clusters_from_Scratch/zh-CN/Author_Group.po000066400000000000000000000020461217637305600252530ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:35+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "Red Hat" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "作者" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "Raoul" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "Scarazzini" #. Tag: contrib #, no-c-format msgid "Italian translation" msgstr "意大利语翻译" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "" #. Tag: contrib #, fuzzy, no-c-format msgid "Romanian translation" msgstr "意大利语翻译" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Book_Info.mo000066400000000000000000000043051217637305600244770ustar00rootroot00000000000000 0:1l6<76.e 5)?Ai62+,D3q ("2   &DISTRO; &DISTRO_VERSION; as the host operating systemClusters from ScratchCorosync to provide messaging and membership services,Creating Active/Passive and Active/Active Clusters on FedoraDRBD as a cost-effective alternative to shared storage,GFS2 as the cluster filesystem (in active/active mode)Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs.PacemakerPacemaker to perform resource management,The crm shell for displaying the configuration and making changesThe example cluster will use:The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one.Project-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-15 23:35+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit &DISTRO; &DISTRO_VERSION; 作为基本操作系统从头开始搭建集群Corosync作为通信层和提供关系管理服务在Fedora上面创建主/主和主备集群DRBD 作为一个经济的共享存储方案GFS2 作为集群文件系统（主/主模式中）虽然给出了图形化安装Fedora的过程，并且有很多截图，但是本文的主要是靠命令来操作，包括为什么要运行这个命令和这些操作产生的结果。(译者注:本文中基本是crm shell来操作的，这里应该是老版本文档的遗留)PacemakerPacemaker来实现资源管理crm shell 来显示并修改配置文件示例集群会使用以下软件:本文档的主要目的是提供一站式指南，教您如何使用Pacemaker创建一个主/备模式的集群并把它转换到主/主模式。pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Book_Info.po000066400000000000000000000050171217637305600245030ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:35+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Clusters from Scratch" msgstr "从头开始搭建集群" #. Tag: subtitle #, no-c-format msgid "Creating Active/Passive and Active/Active Clusters on Fedora" msgstr "在Fedora上面创建主/主和主备集群" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "Pacemaker" #. Tag: para #, no-c-format msgid "The purpose of this document is to provide a start-to-finish guide to building an example active/passive cluster with Pacemaker and show how it can be converted to an active/active one." msgstr "本文档的主要目的是提供一站式指南，教您如何使用Pacemaker创建一个主/备模式的集群并把它转换到主/主模式。" #. Tag: para #, no-c-format msgid "The example cluster will use:" msgstr "示例集群会使用以下软件:" #. Tag: para #, fuzzy, no-c-format msgid "&DISTRO; &DISTRO_VERSION; as the host operating system" msgstr "&DISTRO; &DISTRO_VERSION; 作为基本操作系统" #. Tag: para #, no-c-format msgid "Corosync to provide messaging and membership services," msgstr "Corosync作为通信层和提供关系管理服务" #. Tag: para #, no-c-format msgid "Pacemaker to perform resource management," msgstr "Pacemaker来实现资源管理" #. Tag: para #, no-c-format msgid "DRBD as a cost-effective alternative to shared storage," msgstr "DRBD 作为一个经济的共享存储方案" #. Tag: para #, no-c-format msgid "GFS2 as the cluster filesystem (in active/active mode)" msgstr "GFS2 作为集群文件系统（主/主模式中）" #. Tag: para #, no-c-format msgid "Given the graphical nature of the Fedora install process, a number of screenshots are included. However the guide is primarily composed of commands, the reasons for executing them and their expected outputs." msgstr "虽然给出了图形化安装Fedora的过程，并且有很多截图，但是本文的主要是靠命令来操作，包括为什么要运行这个命令和这些操作产生的结果。(译者注:本文中基本是crm shell来操作的，这里应该是老版本文档的遗留)" #~ msgid "The crm shell for displaying the configuration and making changes" #~ msgstr "crm shell 来显示并修改配置文件" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Active-Active.mo000066400000000000000000001574161217637305600256220ustar00rootroot00000000000000GTa hn]5e k/ U3t=AEA] ASKh $LYWZ]Z^n^^(j__```%`Raja:bc#cde2eeVfhfJg h;hh h'i (i IiuVi i+i2j7Ljjj<kr[kk=lvnvznnmpM\qq=^rTrBr4sNsbbst uh"]wneNk (ϯEc] h غYA_ 34T7Of$'N%m3zU2X~}@= V(cM"297l .;ZjjijREm}317eB51;&/ *<B2D87#>0F6"C(G+?E ,$!34 A-.:9 =) '@% [root@pcmk-1 ~]# configure clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” [root@pcmk-1 ~]# crm crm(live)# cib new active INFO: active shadow CIB created crm(active)# configure clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” crm(active)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebIP ClusterIP \ meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFS gfs-clone colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: WebIP WebSite order start-WebFS-after-gfs-control inf: gfs-clone WebFS order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm [root@pcmk-1 ~]# cib new active [root@pcmk-1 ~]# crm crm(live)# cib new GFS2 INFO: GFS2 shadow CIB created crm(GFS2)# configure delete WebFS crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” [root@pcmk-1 ~]# crm crm(live)# cib new gfs-glue --force INFO: gfs-glue shadow CIB created crm(gfs-glue)# configure primitive gfs-control ocf:pacemaker:controld params daemon=gfs_controld.pcmk args="-g 0" op monitor interval=120s crm(gfs-glue)# configure clone gfs-clone gfs-control meta interleave=true [root@pcmk-1 ~]# crm crm(live)# cib new stack-glue INFO: stack-glue shadow CIB created crm(stack-glue)# configure primitive dlm ocf:pacemaker:controld op monitor interval=120s crm(stack-glue)# configure clone dlm-clone dlm meta interleave=true crm(stack-glue)# configure show xml crm(stack-glue)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \ op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \ meta interleave="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 15:18:06 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] [root@pcmk-1 ~]# mount /dev/drbd1 /mnt/ [root@pcmk-1 ~]# cat <<-END >/mnt/index.html <html> <body>My Test Site - GFS2</body> </html> END [root@pcmk-1 ~]# umount /dev/drbd1 [root@pcmk-1 ~]# drbdadm verify wwwdata [root@pcmk-1 ~]# [root@pcmk-1 ~]# yum install -y gfs2-utils gfs-pcmk Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package gfs-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated --> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: dlm-pcmk for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libccs.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libdlmcontrol.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: liblogthread.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libSaCkpt.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 ---> Package gfs2-utils.x86_64 0:3.0.5-2.fc12 set to be updated --> Running transaction check ---> Package clusterlib.x86_64 0:3.0.5-2.fc12 set to be updated ---> Package dlm-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated ---> Package openaislib.x86_64 0:1.1.0-1.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved ===========================================================================================  Package                Arch               Version                   Repository        Size =========================================================================================== Installing:  gfs-pcmk               x86_64             3.0.5-2.fc12              custom           101 k  gfs2-utils             x86_64             3.0.5-2.fc12              custom           208 k Installing for dependencies:  clusterlib             x86_64             3.0.5-2.fc12              custom            65 k  dlm-pcmk               x86_64             3.0.5-2.fc12              custom            93 k  openaislib             x86_64             1.1.0-1.fc12              fedora            76 k Transaction Summary =========================================================================================== Install       5 Package(s) Upgrade       0 Package(s) Total download size: 541 k Downloading Packages: (1/5): clusterlib-3.0.5-2.fc12.x86_64.rpm                                |  65 kB     00:00 (2/5): dlm-pcmk-3.0.5-2.fc12.x86_64.rpm                                  |  93 kB     00:00 (3/5): gfs-pcmk-3.0.5-2.fc12.x86_64.rpm                                  | 101 kB     00:00 (4/5): gfs2-utils-3.0.5-2.fc12.x86_64.rpm                                | 208 kB     00:00 (5/5): openaislib-1.1.0-1.fc12.x86_64.rpm                                |  76 kB     00:00 ------------------------------------------------------------------------------------------- Total                                                           992 kB/s | 541 kB     00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : clusterlib-3.0.5-2.fc12.x86_64                                       1/5   Installing     : openaislib-1.1.0-1.fc12.x86_64                                       2/5   Installing     : dlm-pcmk-3.0.5-2.fc12.x86_64                                         3/5   Installing     : gfs-pcmk-3.0.5-2.fc12.x86_64                                         4/5   Installing     : gfs2-utils-3.0.5-2.fc12.x86_64                                       5/5 Installed:   gfs-pcmk.x86_64 0:3.0.5-2.fc12                    gfs2-utils.x86_64 0:3.0.5-2.fc12 Dependency Installed:   clusterlib.x86_64 0:3.0.5-2.fc12   dlm-pcmk.x86_64 0:3.0.5-2.fc12   openaislib.x86_64 0:1.1.0-1.fc12   Complete! [root@pcmk-1 x86_64]# crm(GFS2)# cib commit GFS2 INFO: commited 'GFS2' shadow CIB to the cluster crm(GFS2)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite crm(GFS2)# configure colocation WebFS-with-gfs-control INFINITY: WebFS gfs-clone crm(GFS2)# configure order start-WebFS-after-gfs-control mandatory: gfs-clone WebFS crm(GFS2)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFS gfs-clone colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite order start-WebFS-after-gfs-control inf: gfs-clone WebFS order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(active)# cib commit active INFO: commited 'active' shadow CIB to the cluster crm(active)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 21:37:27 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] Master/Slave Set: WebDataClone         Masters: [ pcmk-1 pcmk-2 ] Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: WebIP Started: [ pcmk-1 pcmk-2 ] Clone Set: WebFSClone Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSiteClone Started: [ pcmk-1 pcmk-2 ] crm(active)# configure clone WebFSClone WebFS crm(active)# configure clone WebSiteClone WebSite crm(active)# configure edit WebDataClone crm(active)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(gfs-glue)# configure colocation gfs-with-dlm INFINITY: gfs-clone dlm-clone crm(gfs-glue)# configure order start-gfs-after-dlm mandatory: dlm-clone gfs-clone crm(gfs-glue)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \ params daemon=”gfs_controld.pcmk” args=”-g 0” \ op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \ meta interleave="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(gfs-glue)# cib commit gfs-glue INFO: commited 'gfs-glue' shadow CIB to the cluster crm(gfs-glue)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone Started: [ pcmk-2 pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-1 crm(stack-glue)# cib commit stack-glue INFO: commited 'stack-glue' shadow CIB to the cluster crm(stack-glue)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 5 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone Started: [ pcmk-2 pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 mkfs.gfs2 -p lock_dlm -j 2 -t pcmk:web /dev/drbd1 [root@pcmk-1 ~]# mkfs.gfs2 -t pcmk:web -p lock_dlm -j 2 /dev/vdb This will destroy any data on /dev/vdb. It appears to contain: data Are you sure you want to proceed? [y/n] y Device:                    /dev/vdb Blocksize:                 4096 Device Size                1.00 GB (131072 blocks) Filesystem Size:           1.00 GB (131070 blocks) Journals:                  2 Resource Groups:           2 Locking Protocol:          "lock_dlm" Lock Table:                "pcmk:web" UUID:                      6B776F46-177B-BAF8-2C2B-292C0E078613 [root@pcmk-1 ~]# primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \         op monitor interval="30s" Add the DLM serviceAdd the GFS2 serviceAlmost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we’re using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this.And add the following to the params lineBefore we do anything to the existing partition, we need to make sure it is unmounted. We do this by tell the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order.Change master-max to 2Conversion to Active/ActiveCreate a GFS2 FilesystemCreate and Populate an GFS2 PartitionDo this on each node in the cluster and be sure to restart them before continuing.First we must use the -p option to specify that we want to use the the Kernel’s DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem).GFS2 needs two services to be running, the first is the user-space interface to the kernel’s distributed lock manager (DLM). The DLM is used to co-ordinate which node(s) can access a given file (and when) and integrates with Pacemaker to obtain node membership The list of nodes the cluster considers to be available information and fencing capabilities.Here is the full transcriptInstall a Cluster Filesystem - GFS2Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we just need to pick something unique and descriptive and since we haven’t specified a clustername yet, we will use the default (pcmk).Next we need to convert the filesystem and Apache resources into clones. Again, the shell will automatically update any relevant constraints.Note that both Apache and WebFS have been stopped.Notice how any constraints that referenced ClusterIP have been updated to use WebIP instead. This is an additional benefit of using the crm shell.Now ensure Pacemaker only starts the gfs-control service on nodes that also have a copy of the dlm service (created above) already runningNow that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition.Now that we’ve recreated the resource, we also need to recreate all the constraints that used it. This is because the shell will automatically remove any constraints that referenced WebFS.Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter.Once the DLM is active, we can add the GFS2 control daemon.Open the ClusterIP resourcePreparationReconfigure Pacemaker for Active/ActiveReconfigure the Cluster for GFS2RequirementsReview the configuration before uploading it to the cluster, quitting the shell and watching the cluster’s responseSetup Pacemaker-GFS2 IntegrationSo that the complete definition looks like:TODO: Explain the meaning of the interleave optionTODO: Put one node into standby to demonstrate failoverTesting RecoveryThe DLM control daemon needs to run on all active cluster nodes, so we will use the shells interactive mode to create a cloned resource.The first thing to do is install gfs2-utils on each machine.The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master).The only hitch is that we need to use a cluster-aware filesystem (and the one we used earlier with DRBD, ext4, is not one of those). Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with &DISTRO; &DISTRO_VERSION; .The primary requirement for an Active/Active cluster is that the data required for your services are available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that.The second service is GFS2’s own control daemon which also integrates with Pacemaker to obtain node membership data.Then (re)populate the new filesystem with data (web pages). For now we’ll create another variation on our home page.There’s no point making the services active on both locations if we can’t reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one “request bucket” for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded.This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data.This will involve a number of changes, so we’ll again use interactive mode.To specify an alternate name for the cluster, locate the service section containing “name: pacemaker” in corosync.conf and insert the following line anywhere inside the block:Use the crm shell to create the gfs-control cluster resource:We need to specify a number of additional parameters when creating a GFS2 partition.[root@pcmk-1 ~]# configure edit  ClusterIPclusterip_hash="sourceip"clustername: mynameProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-16 00:37+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Poedit-Language: Chinese X-Poedit-Country: CHINA X-Poedit-SourceCharset: utf-8 [root@pcmk-1 ~]# configure clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” [root@pcmk-1 ~]# crm crm(live)# cib new active INFO: active shadow CIB created crm(active)# configure clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” crm(active)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebIP ClusterIP \ meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFS gfs-clone colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: WebIP WebSite order start-WebFS-after-gfs-control inf: gfs-clone WebFS order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm [root@pcmk-1 ~]# cib new active [root@pcmk-1 ~]# crm crm(live)# cib new GFS2 INFO: GFS2 shadow CIB created crm(GFS2)# configure delete WebFS crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” [root@pcmk-1 ~]# crm crm(live)# cib new gfs-glue --force INFO: gfs-glue shadow CIB created crm(gfs-glue)# configure primitive gfs-control ocf:pacemaker:controld params daemon=gfs_controld.pcmk args="-g 0" op monitor interval=120s crm(gfs-glue)# configure clone gfs-clone gfs-control meta interleave=true [root@pcmk-1 ~]# crm crm(live)# cib new stack-glue INFO: stack-glue shadow CIB created crm(stack-glue)# configure primitive dlm ocf:pacemaker:controld op monitor interval=120s crm(stack-glue)# configure clone dlm-clone dlm meta interleave=true crm(stack-glue)# configure show xml crm(stack-glue)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \ op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \ meta interleave="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 15:18:06 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] [root@pcmk-1 ~]# mount /dev/drbd1 /mnt/ [root@pcmk-1 ~]# cat <<-END >/mnt/index.html <html> <body>My Test Site - GFS2</body> </html> END [root@pcmk-1 ~]# umount /dev/drbd1 [root@pcmk-1 ~]# drbdadm verify wwwdata [root@pcmk-1 ~]# [root@pcmk-1 ~]# yum install -y gfs2-utils gfs-pcmk Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package gfs-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated --> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: dlm-pcmk for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libccs.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libdlmcontrol.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: liblogthread.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 --> Processing Dependency: libSaCkpt.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64 ---> Package gfs2-utils.x86_64 0:3.0.5-2.fc12 set to be updated --> Running transaction check ---> Package clusterlib.x86_64 0:3.0.5-2.fc12 set to be updated ---> Package dlm-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated ---> Package openaislib.x86_64 0:1.1.0-1.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved ===========================================================================================  Package                Arch               Version                   Repository        Size =========================================================================================== Installing:  gfs-pcmk               x86_64             3.0.5-2.fc12              custom           101 k  gfs2-utils             x86_64             3.0.5-2.fc12              custom           208 k Installing for dependencies:  clusterlib             x86_64             3.0.5-2.fc12              custom            65 k  dlm-pcmk               x86_64             3.0.5-2.fc12              custom            93 k  openaislib             x86_64             1.1.0-1.fc12              fedora            76 k Transaction Summary =========================================================================================== Install       5 Package(s) Upgrade       0 Package(s) Total download size: 541 k Downloading Packages: (1/5): clusterlib-3.0.5-2.fc12.x86_64.rpm                                |  65 kB     00:00 (2/5): dlm-pcmk-3.0.5-2.fc12.x86_64.rpm                                  |  93 kB     00:00 (3/5): gfs-pcmk-3.0.5-2.fc12.x86_64.rpm                                  | 101 kB     00:00 (4/5): gfs2-utils-3.0.5-2.fc12.x86_64.rpm                                | 208 kB     00:00 (5/5): openaislib-1.1.0-1.fc12.x86_64.rpm                                |  76 kB     00:00 ------------------------------------------------------------------------------------------- Total                                                           992 kB/s | 541 kB     00:00 Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : clusterlib-3.0.5-2.fc12.x86_64                                       1/5   Installing     : openaislib-1.1.0-1.fc12.x86_64                                       2/5   Installing     : dlm-pcmk-3.0.5-2.fc12.x86_64                                         3/5   Installing     : gfs-pcmk-3.0.5-2.fc12.x86_64                                         4/5   Installing     : gfs2-utils-3.0.5-2.fc12.x86_64                                       5/5 Installed:   gfs-pcmk.x86_64 0:3.0.5-2.fc12                    gfs2-utils.x86_64 0:3.0.5-2.fc12 Dependency Installed:   clusterlib.x86_64 0:3.0.5-2.fc12   dlm-pcmk.x86_64 0:3.0.5-2.fc12   openaislib.x86_64 0:1.1.0-1.fc12   Complete! [root@pcmk-1 x86_64]# crm(GFS2)# cib commit GFS2 INFO: commited 'GFS2' shadow CIB to the cluster crm(GFS2)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite crm(GFS2)# configure colocation WebFS-with-gfs-control INFINITY: WebFS gfs-clone crm(GFS2)# configure order start-WebFS-after-gfs-control mandatory: gfs-clone WebFS crm(GFS2)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \ params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFS gfs-clone colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite order start-WebFS-after-gfs-control inf: gfs-clone WebFS order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(active)# cib commit active INFO: commited 'active' shadow CIB to the cluster crm(active)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 21:37:27 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] Master/Slave Set: WebDataClone         Masters: [ pcmk-1 pcmk-2 ] Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: WebIP Started: [ pcmk-1 pcmk-2 ] Clone Set: WebFSClone Started: [ pcmk-1 pcmk-2 ] Clone Set: WebSiteClone Started: [ pcmk-1 pcmk-2 ] crm(active)# configure clone WebFSClone WebFS crm(active)# configure clone WebSiteClone WebSite crm(active)# configure edit WebDataClone crm(active)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(gfs-glue)# configure colocation gfs-with-dlm INFINITY: gfs-clone dlm-clone crm(gfs-glue)# configure order start-gfs-after-dlm mandatory: dlm-clone gfs-clone crm(gfs-glue)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \ params daemon=”gfs_controld.pcmk” args=”-g 0” \ op monitor interval="120s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \ meta interleave="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(gfs-glue)# cib commit gfs-glue INFO: commited 'gfs-glue' shadow CIB to the cluster crm(gfs-glue)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 6 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone         Started: [ pcmk-2 pcmk-1 ] Clone Set: gfs-clone Started: [ pcmk-2 pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-1 crm(stack-glue)# cib commit stack-glue INFO: commited 'stack-glue' shadow CIB to the cluster crm(stack-glue)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Sep  3 20:49:54 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 5 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 Clone Set: dlm-clone Started: [ pcmk-2 pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 mkfs.gfs2 -p lock_dlm -j 2 -t pcmk:web /dev/drbd1 [root@pcmk-1 ~]# mkfs.gfs2 -t pcmk:web -p lock_dlm -j 2 /dev/vdb This will destroy any data on /dev/vdb. It appears to contain: data Are you sure you want to proceed? [y/n] y Device:                    /dev/vdb Blocksize:                 4096 Device Size                1.00 GB (131072 blocks) Filesystem Size:           1.00 GB (131070 blocks) Journals:                  2 Resource Groups:           2 Locking Protocol:          "lock_dlm" Lock Table:                "pcmk:web" UUID:                      6B776F46-177B-BAF8-2C2B-292C0E078613 [root@pcmk-1 ~]# primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" clusterip_hash="sourceip" \         op monitor interval="30s" 添加 DLM 服务添加 GFS2 服务基本上所有的事情都已经准备就绪了。最新的DRBD是支持 Primary/Primary(主/主)模式的，并且我们的文件系统的是针对集群的。所有我们要做的事情就是重新配置我们的集群来使用它们(的先进功能)。在参数行添加以下内容:在我们对一个已存在的分区做任何操作之前，我们要确保它没有被挂载。我们告诉集群停止WebFS这个资源来确保这一点。这可以确保其他使用WebFS的资源会正确的依次关闭。把 master-max 改为 2转变为Active/Active创建一个 GFS2 文件系统创建并迁移数据到 GFS2 分区在每个节点都执行以下命令。首先我们要用 -p选项来指定我们用的是内核的DLM，然后我们用-j来表示我们为两个日志保留足够的空间(每个操作文件系统的节点各一个)。GFS2要求运行两个服务，首先是用户空间访问内核的分布式锁管理(DLM)的接口。 DLM是用来统筹哪个节点可以处理某个特定的文件，并且与Pacemaker集成来得到节点之间的关系 The list of nodes the cluster considers to be available 和隔离能力。以下是完整的配置安装一个集群文件系统 - GFS2最后，我们用-t来指定lock table的名称。这个字段的格式是 clustername:fsname(集群名称:文件系统名称)。fsname的话，我们只要用一个唯一的并且能描述我们这个集群的名称就好了，我们用默认的pcmk。然后我们要把文件系统和apache资源变成clones。同样的 crm shell会自动更新相关约束。注意 Apache and WebFS 两者都已经停止了。请注意所有跟ClusterIP相关的限制都已经被更新到与WebIP相关，这是使用crm shell的另一个好处。现在确保Pacemaker只在有dlm服务运行的节点上面启动 gfs-control 服务现在集群的基层和集成部分都正常运行，我们现在创建一个GFS2分区现在我们重新创建这个资源， 我们也要重建跟这个资源相关的约束条件，因为shell会自动删除跟WebFS相关的约束条件。现在我们要告诉集群如何决定请求怎样分配给节点。我们要设置 clusterip_hash这个参数来实现它。一旦DLM启动了，我们可以加上GFS2的控制进程了。打开ClusterIP的配置准备工作重新配置 Pacemaker 为 Active/Active8.5. 重新为集群配置GFS2需求看看配置文件有没有错误，然后退出shell看看集群的反应。整合 Pacemaker-GFS2完整的定义就像下面一样:TODO: Explain the meaning of the interleave optionTODO: Put one node into standby to demonstrate failover恢复测试DLM控制进程需要在所有可用的集群节点上面运行，所以我们用shell交互模式来添加一个cloned类型的资源。首先我们在各个节点上面安装GFS2。最后要告诉集群现在允许把两个节点都提升为 Primary(换句话说 Master).唯一的限制是我们要用一个针对集群的文件系统(我们之前用的ext4，它并不是这样一个文件系统)。 OCFS2或者GFS2都是可以的，但是在&DISTRO; &DISTRO_VERSION;上面，我们用GFS2。Active/Active集群一个主要的需求就是数据在两台机器上面都是可用并且是同步的。Pacemaker没有要求你怎么实现，你可以用SAN，但是自从DRBD支持多主模式，我们也可以用这个来实现。另外一个服务是GFS2自身的控制进程，也是与Pacemaker集成来得到节点之间的关系。然后再迁移数据到这个新的文件系统。现在我们创建一个跟上次不一样的主页。如果我们不能访问这些服务，那做成 Active/Active是没有必要的，所以我们要先clone这个IP地址，克隆的IPaddr2资源用的是iptables规则来保证每个请求都只由一个节点来处理。附件的meta选项告诉集群我们要克隆多少个实例(每个节点一个"请求桶")。并且如果其他节点挂了，剩下的节点可以处理所有的请求。否则这些请求都会被丢弃。这个操作会清除DRBD分区上面的所有数据，请备份重要的数据。这次操作会改很多东西，所以我们再次使用交互模式如果要更改集群的名称，找到包含name:pacemaker的配置文件区域，然后添加如下所示的选项即可。用crm shell来创建gfs-control这个集群资源:我们要为GFS2分区指定一系列附加的参数。[root@pcmk-1 ~]# configure edit  ClusterIPclusterip_hash="sourceip"clustername: mynamepacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Active-Active.po000066400000000000000000002221141217637305600256110ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:37+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "X-Poedit-Language: Chinese\n" "X-Poedit-Country: CHINA\n" "X-Poedit-SourceCharset: utf-8\n" #. Tag: title #, no-c-format msgid "Conversion to Active/Active" msgstr "转变为Active/Active" #. Tag: title #, no-c-format msgid "Requirements" msgstr "需求" #. Tag: para #, fuzzy, no-c-format msgid "The primary requirement for an Active/Active cluster is that the data required for your services is available, simultaneously, on both machines. Pacemaker makes no requirement on how this is achieved, you could use a SAN if you had one available, however since DRBD supports multiple Primaries, we can also use that." msgstr "Active/Active集群一个主要的需求就是数据在两台机器上面都是可用并且是同步的。Pacemaker没有要求你怎么实现，你可以用SAN，但是自从DRBD支持多主模式，我们也可以用这个来实现。" #. Tag: para #, fuzzy, no-c-format msgid "The only hitch is that we need to use a cluster-aware filesystem. The one we used earlier with DRBD, ext4, is not one of those. Both OCFS2 and GFS2 are supported, however here we will use GFS2 which comes with Fedora 17." msgstr "唯一的限制是我们要用一个针对集群的文件系统(我们之前用的ext4，它并不是这样一个文件系统)。 OCFS2或者GFS2都是可以的，但是在&DISTRO; &DISTRO_VERSION;上面，我们用GFS2。" #. Tag: title #, no-c-format msgid "Installing the required Software" msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y gfs2-utils dlm kernel-modules-extra" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package dlm.x86_64 0:3.99.4-1.fc17 will be installed\n" "---> Package gfs2-utils.x86_64 0:3.1.4-3.fc17 will be installed\n" "---> Package kernel-modules-extra.x86_64 0:3.4.4-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "================================================================================\n" " Package Arch Version Repository Size\n" "================================================================================\n" "Installing:\n" " dlm x86_64 3.99.4-1.fc17 updates 83 k\n" " gfs2-utils x86_64 3.1.4-3.fc17 fedora 214 k\n" " kernel-modules-extra x86_64 3.4.4-3.fc17 updates 1.7 M\n" "\n" "Transaction Summary\n" "================================================================================\n" "Install 3 Packages\n" "\n" "Total download size: 1.9 M\n" "Installed size: 7.7 M\n" "Downloading Packages:\n" "(1/3): dlm-3.99.4-1.fc17.x86_64.rpm | 83 kB 00:00\n" "(2/3): gfs2-utils-3.1.4-3.fc17.x86_64.rpm | 214 kB 00:00\n" "(3/3): kernel-modules-extra-3.4.4-3.fc17.x86_64.rpm | 1.7 MB 00:01\n" "--------------------------------------------------------------------------------\n" "Total 615 kB/s | 1.9 MB 00:03\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : kernel-modules-extra-3.4.4-3.fc17.x86_64 1/3\n" " Installing : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Installing : dlm-3.99.4-1.fc17.x86_64 3/3\n" " Verifying : dlm-3.99.4-1.fc17.x86_64 1/3\n" " Verifying : gfs2-utils-3.1.4-3.fc17.x86_64 2/3\n" " Verifying : kernel-modules-extra-3.4.4-3.fc17.x86_64 3/3\n" "\n" "Installed:\n" " dlm.x86_64 0:3.99.4-1.fc17\n" " gfs2-utils.x86_64 0:3.1.4-3.fc17\n" " kernel-modules-extra.x86_64 0:3.4.4-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Create a GFS2 Filesystem" msgstr "创建一个 GFS2 文件系统" #. Tag: title #, no-c-format msgid "Preparation" msgstr "准备工作" #. Tag: para #, fuzzy, no-c-format msgid "Before we do anything to the existing partition, we need to make sure it is unmounted. We do this by telling the cluster to stop the WebFS resource. This will ensure that other resources (in our case, Apache) using WebFS are not only stopped, but stopped in the correct order." msgstr "在我们对一个已存在的分区做任何操作之前，我们要确保它没有被挂载。我们告诉集群停止WebFS这个资源来确保这一点。这可以确保其他使用WebFS的资源会正确的依次关闭。" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource stop WebFS\n" "# pcs resource\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "Note that both Apache and WebFS have been stopped." msgstr "注意 Apache and WebFS 两者都已经停止了。" #. Tag: title #, no-c-format msgid "Create and Populate an GFS2 Partition" msgstr "创建并迁移数据到 GFS2 分区" #. Tag: para #, no-c-format msgid "Now that the cluster stack and integration pieces are running smoothly, we can create an GFS2 partition." msgstr "现在集群的基层和集成部分都正常运行，我们现在创建一个GFS2分区" #. Tag: para #, no-c-format msgid "This will erase all previous content stored on the DRBD device. Ensure you have a copy of any important data." msgstr "这个操作会清除DRBD分区上面的所有数据，请备份重要的数据。" #. Tag: para #, no-c-format msgid "We need to specify a number of additional parameters when creating a GFS2 partition." msgstr "我们要为GFS2分区指定一系列附加的参数。" #. Tag: para #, no-c-format msgid "First we must use the -p option to specify that we want to use the the Kernel’s DLM. Next we use -j to indicate that it should reserve enough space for two journals (one per node accessing the filesystem)." msgstr "首先我们要用 -p选项来指定我们用的是内核的DLM，然后我们用-j来表示我们为两个日志保留足够的空间(每个操作文件系统的节点各一个)。" #. Tag: para #, no-c-format msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we need to use the same value as specified in corosync.conf for cluster_name. If you setup corosync with the same cluster name we used in this tutorial, cluster name will be mycluster. If you are unsure what your cluster name is, open up /etc/corosync/corosync.conf, or execute the command pcs cluster corosync pcmk-1 to view the corosync config. The cluster name will be in the totem block." msgstr "" #. Tag: para #, no-c-format msgid "We must run the next command on whichever node last had /dev/drbd mounted. Otherwise you will receive the message:" msgstr "" #. Tag: screen #, no-c-format msgid "/dev/drbd1: Read-only file system" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- mkfs.gfs2 -p lock_dlm -j 2 -t mycluster:web /dev/drbd1\n" "This will destroy any data on /dev/drbd1.\n" "It appears to contain: Linux rev 1.0 ext4 filesystem data, UUID=dc45fff3-c47a-4db2-96f7-a8049a323fe4 (extents) (large files) (huge files)\n" "Are you sure you want to proceed? [y/n]y\n" "Device: /dev/drbd1\n" "Blocksize: 4096\n" "Device Size 0.97 GB (253935 blocks)\n" "Filesystem Size: 0.97 GB (253932 blocks)\n" "Journals: 2\n" "Resource Groups: 4\n" "Locking Protocol: \"lock_dlm\"\n" "Lock Table: \"mycluster\"\n" "UUID: ed293a02-9eee-3fa3-ed1c-435ef1fd0116" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster cib dlm_cfg\n" "# pcs -f dlm_cfg resource create dlm ocf:pacemaker:controld op monitor interval=60s\n" "# pcs -f dlm_cfg resource clone dlm clone-max=2 clone-node-max=1\n" "# pcs -f dlm_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Stopped: [ dlm:0 dlm:1 ]\n" "# pcs cluster push cib dlm_cfg\n" "CIB updated\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:54:50 2012\n" "Last change: Fri Sep 14 12:54:43 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "7 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Stopped\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Stopped\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: para #, no-c-format msgid "Then (re)populate the new filesystem with data (web pages). For now we’ll create another variation on our home page." msgstr "然后再迁移数据到这个新的文件系统。现在我们创建一个跟上次不一样的主页。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "# umount /dev/drbd1\n" "# drbdadm verify wwwdata#" msgstr "" "\n" "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" "<html>\n" "<body>My Test Site - GFS2</body>\n" "</html>\n" "END\n" "[root@pcmk-1 ~]# umount /dev/drbd1\n" "[root@pcmk-1 ~]# drbdadm verify wwwdata\n" "[root@pcmk-1 ~]#\n" #. Tag: title #, no-c-format msgid "Reconfigure the Cluster for GFS2" msgstr "8.5. 重新为集群配置GFS2" #. Tag: para #, no-c-format msgid "With the WebFS resource stopped, lets update the configuration." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: ext4\n" " target-role: Stopped" msgstr "" #. Tag: para #, no-c-format msgid "The fstype option needs to be updated to gfs2 instead of ext4." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource update WebFS fstype=gfs2\n" "# pcs resource show WebFS\n" "Resource: WebFS\n" " device: /dev/drbd/by-res/wwwdata\n" " directory: /var/www/html\n" " fstype: gfs2\n" " target-role: Stopped\n" "CIB updated" msgstr "" #. Tag: title #, no-c-format msgid "Reconfigure Pacemaker for Active/Active" msgstr "重新配置 Pacemaker 为 Active/Active" #. Tag: para #, no-c-format msgid "Almost everything is in place. Recent versions of DRBD are capable of operating in Primary/Primary mode and the filesystem we’re using is cluster aware. All we need to do now is reconfigure the cluster to take advantage of this." msgstr "基本上所有的事情都已经准备就绪了。最新的DRBD是支持 Primary/Primary(主/主)模式的，并且我们的文件系统的是针对集群的。所有我们要做的事情就是重新配置我们的集群来使用它们(的先进功能)。" #. Tag: para #, fuzzy, no-c-format msgid "This will involve a number of changes, so we’ll want work with a local cib file." msgstr "这次操作会改很多东西，所以我们再次使用交互模式" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib active_cfg" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There’s no point making the services active on both locations if we can’t reach them, so lets first clone the IP address. Cloned IPaddr2 resources use an iptables rule to ensure that each request only gets processed by one of the two clone instances. The additional meta options tell the cluster how many instances of the clone we want (one \"request bucket\" for each node) and that if all other nodes fail, then the remaining node should hold all of them. Otherwise the requests would be simply discarded." msgstr "如果我们不能访问这些服务，那做成 Active/Active是没有必要的，所以我们要先clone这个IP地址，克隆的IPaddr2资源用的是iptables规则来保证每个请求都只由一个节点来处理。附件的meta选项告诉集群我们要克隆多少个实例(每个节点一个\"请求桶\")。并且如果其他节点挂了，剩下的节点可以处理所有的请求。否则这些请求都会被丢弃。" #. Tag: screen #, no-c-format msgid "" "# pcs -f active_cfg resource clone ClusterIP \\\n" " globally-unique=true clone-max=2 clone-node-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Notice when the ClusterIP becomes a clone, the constraints referencing ClusterIP now reference the clone. This is done automatically by pcs." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP-clone\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS" msgstr "" #. Tag: para #, no-c-format msgid "Now we must tell the ClusterIP how to decide which requests are processed by which hosts. To do this we must specify the clusterip_hash parameter." msgstr "现在我们要告诉集群如何决定请求怎样分配给节点。我们要设置 clusterip_hash这个参数来实现它。" #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update ClusterIP clusterip_hash=sourceip" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next we need to convert the filesystem and Apache resources into clones." msgstr "然后我们要把文件系统和apache资源变成clones。同样的 crm shell会自动更新相关约束。" #. Tag: para #, no-c-format msgid "Notice how pcs automatically updates the relevant constraints again." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f active_cfg resource clone WebFS\n" "# pcs -f active_cfg resource clone WebSite\n" "# pcs -f active_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP-clone then start WebSite-clone\n" " WebFS-clone then WebSite-clone\n" " promote WebDataClone then start WebFS-clone\n" "Colocation Constraints:\n" " WebSite-clone with ClusterIP-clone\n" " WebFS-clone with WebDataClone (with-rsc-role:Master)\n" " WebSite-clone with WebFS-clone" msgstr "" #. Tag: para #, no-c-format msgid "The last step is to tell the cluster that it is now allowed to promote both instances to be Primary (aka. Master)." msgstr "最后要告诉集群现在允许把两个节点都提升为 Primary(换句话说 Master)." #. Tag: programlisting #, no-c-format msgid "# pcs -f active_cfg resource update WebDataClone master-max=2" msgstr "" #. Tag: para #, no-c-format msgid "Review the configuration before uploading it to the cluster, quitting the shell and watching the cluster’s response" msgstr "看看配置文件有没有错误，然后退出shell看看集群的反应。" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster push cib active_cfg\n" "# pcs resource start WebFS" msgstr "" #. Tag: para #, no-c-format msgid "After all the processes are started the status should look similar to this." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 pcmk-1 ]\n" " Clone Set: dlm-clone [dlm]\n" " Started: [ pcmk-2 pcmk-1 ]\n" " Clone Set: ClusterIP-clone [ClusterIP] (unique)\n" " ClusterIP:0 (ocf::heartbeat:IPaddr2) Started\n" " ClusterIP:1 (ocf::heartbeat:IPaddr2) Started\n" " Clone Set: WebFS-clone [WebFS]\n" " Started: [ pcmk-1 pcmk-2 ]\n" " Clone Set: WebSite-clone [WebSite]\n" " Started: [ pcmk-1 pcmk-2 ]" msgstr "" #. Tag: title #, no-c-format msgid "Testing Recovery" msgstr "恢复测试" #. Tag: para #, no-c-format msgid "TODO: Put one node into standby to demonstrate failover" msgstr "TODO: Put one node into standby to demonstrate failover" #~ msgid "Install a Cluster Filesystem - GFS2" #~ msgstr "安装一个集群文件系统 - GFS2" #~ msgid "The first thing to do is install gfs2-utils on each machine." #~ msgstr "首先我们在各个节点上面安装GFS2。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y gfs2-utils gfs-pcmk\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package gfs-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: dlm-pcmk for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libccs.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libdlmcontrol.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: liblogthread.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "---> Package gfs2-utils.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package clusterlib.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "---> Package dlm-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "---> Package openaislib.x86_64 0:1.1.0-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package                Arch               Version                   Repository        Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " gfs-pcmk               x86_64             3.0.5-2.fc12              custom           101 k\n" #~ " gfs2-utils             x86_64             3.0.5-2.fc12              custom           208 k\n" #~ "Installing for dependencies:\n" #~ " clusterlib             x86_64             3.0.5-2.fc12              custom            65 k\n" #~ " dlm-pcmk               x86_64             3.0.5-2.fc12              custom            93 k\n" #~ " openaislib             x86_64             1.1.0-1.fc12              fedora            76 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       5 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 541 k\n" #~ "Downloading Packages:\n" #~ "(1/5): clusterlib-3.0.5-2.fc12.x86_64.rpm                                |  65 kB     00:00\n" #~ "(2/5): dlm-pcmk-3.0.5-2.fc12.x86_64.rpm                                  |  93 kB     00:00\n" #~ "(3/5): gfs-pcmk-3.0.5-2.fc12.x86_64.rpm                                  | 101 kB     00:00\n" #~ "(4/5): gfs2-utils-3.0.5-2.fc12.x86_64.rpm                                | 208 kB     00:00\n" #~ "(5/5): openaislib-1.1.0-1.fc12.x86_64.rpm                                |  76 kB     00:00\n" #~ "-------------------------------------------------------------------------------------------\n" #~ "Total                                                           992 kB/s | 541 kB     00:00\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : clusterlib-3.0.5-2.fc12.x86_64                                       1/5 \n" #~ "  Installing     : openaislib-1.1.0-1.fc12.x86_64                                       2/5 \n" #~ "  Installing     : dlm-pcmk-3.0.5-2.fc12.x86_64                                         3/5 \n" #~ "  Installing     : gfs-pcmk-3.0.5-2.fc12.x86_64                                         4/5 \n" #~ "  Installing     : gfs2-utils-3.0.5-2.fc12.x86_64                                       5/5 \n" #~ "\n" #~ "Installed:\n" #~ "  gfs-pcmk.x86_64 0:3.0.5-2.fc12                    gfs2-utils.x86_64 0:3.0.5-2.fc12\n" #~ "\n" #~ "Dependency Installed:\n" #~ "  clusterlib.x86_64 0:3.0.5-2.fc12   dlm-pcmk.x86_64 0:3.0.5-2.fc12 \n" #~ "  openaislib.x86_64 0:1.1.0-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 x86_64]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y gfs2-utils gfs-pcmk\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package gfs-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "--> Processing Dependency: libSaCkpt.so.3(OPENAIS_CKPT_B.01.01)(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: dlm-pcmk for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libccs.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libdlmcontrol.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: liblogthread.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "--> Processing Dependency: libSaCkpt.so.3()(64bit) for package: gfs-pcmk-3.0.5-2.fc12.x86_64\n" #~ "---> Package gfs2-utils.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package clusterlib.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "---> Package dlm-pcmk.x86_64 0:3.0.5-2.fc12 set to be updated\n" #~ "---> Package openaislib.x86_64 0:1.1.0-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package                Arch               Version                   Repository        Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " gfs-pcmk               x86_64             3.0.5-2.fc12              custom           101 k\n" #~ " gfs2-utils             x86_64             3.0.5-2.fc12              custom           208 k\n" #~ "Installing for dependencies:\n" #~ " clusterlib             x86_64             3.0.5-2.fc12              custom            65 k\n" #~ " dlm-pcmk               x86_64             3.0.5-2.fc12              custom            93 k\n" #~ " openaislib             x86_64             1.1.0-1.fc12              fedora            76 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       5 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 541 k\n" #~ "Downloading Packages:\n" #~ "(1/5): clusterlib-3.0.5-2.fc12.x86_64.rpm                                |  65 kB     00:00\n" #~ "(2/5): dlm-pcmk-3.0.5-2.fc12.x86_64.rpm                                  |  93 kB     00:00\n" #~ "(3/5): gfs-pcmk-3.0.5-2.fc12.x86_64.rpm                                  | 101 kB     00:00\n" #~ "(4/5): gfs2-utils-3.0.5-2.fc12.x86_64.rpm                                | 208 kB     00:00\n" #~ "(5/5): openaislib-1.1.0-1.fc12.x86_64.rpm                                |  76 kB     00:00\n" #~ "-------------------------------------------------------------------------------------------\n" #~ "Total                                                           992 kB/s | 541 kB     00:00\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : clusterlib-3.0.5-2.fc12.x86_64                                       1/5 \n" #~ "  Installing     : openaislib-1.1.0-1.fc12.x86_64                                       2/5 \n" #~ "  Installing     : dlm-pcmk-3.0.5-2.fc12.x86_64                                         3/5 \n" #~ "  Installing     : gfs-pcmk-3.0.5-2.fc12.x86_64                                         4/5 \n" #~ "  Installing     : gfs2-utils-3.0.5-2.fc12.x86_64                                       5/5 \n" #~ "\n" #~ "Installed:\n" #~ "  gfs-pcmk.x86_64 0:3.0.5-2.fc12                    gfs2-utils.x86_64 0:3.0.5-2.fc12\n" #~ "\n" #~ "Dependency Installed:\n" #~ "  clusterlib.x86_64 0:3.0.5-2.fc12   dlm-pcmk.x86_64 0:3.0.5-2.fc12 \n" #~ "  openaislib.x86_64 0:1.1.0-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 x86_64]#\n" #~ msgid "Setup Pacemaker-GFS2 Integration" #~ msgstr "整合 Pacemaker-GFS2" #~ msgid "GFS2 needs two services to be running, the first is the user-space interface to the kernel’s distributed lock manager (DLM). The DLM is used to co-ordinate which node(s) can access a given file (and when) and integrates with Pacemaker to obtain node membership The list of nodes the cluster considers to be available information and fencing capabilities." #~ msgstr "GFS2要求运行两个服务，首先是用户空间访问内核的分布式锁管理(DLM)的接口。 DLM是用来统筹哪个节点可以处理某个特定的文件，并且与Pacemaker集成来得到节点之间的关系 The list of nodes the cluster considers to be available 和隔离能力。" #~ msgid "The second service is GFS2’s own control daemon which also integrates with Pacemaker to obtain node membership data." #~ msgstr "另外一个服务是GFS2自身的控制进程，也是与Pacemaker集成来得到节点之间的关系。" #~ msgid "Add the DLM service" #~ msgstr "添加 DLM 服务" #~ msgid "The DLM control daemon needs to run on all active cluster nodes, so we will use the shells interactive mode to create a cloned resource." #~ msgstr "DLM控制进程需要在所有可用的集群节点上面运行，所以我们用shell交互模式来添加一个cloned类型的资源。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new stack-glue\n" #~ "INFO: stack-glue shadow CIB created\n" #~ "crm(stack-glue)# configure primitive dlm ocf:pacemaker:controld op monitor interval=120s\n" #~ "crm(stack-glue)# configure clone dlm-clone dlm meta interleave=true\n" #~ "crm(stack-glue)# configure show xml\n" #~ "crm(stack-glue)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ " op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ " meta interleave=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new stack-glue\n" #~ "INFO: stack-glue shadow CIB created\n" #~ "crm(stack-glue)# configure primitive dlm ocf:pacemaker:controld op monitor interval=120s\n" #~ "crm(stack-glue)# configure clone dlm-clone dlm meta interleave=true\n" #~ "crm(stack-glue)# configure show xml\n" #~ "crm(stack-glue)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ " op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ " meta interleave=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgid "TODO: Explain the meaning of the interleave option" #~ msgstr "TODO: Explain the meaning of the interleave option" #~ msgid "" #~ "\n" #~ "crm(stack-glue)# cib commit stack-glue\n" #~ "INFO: commited 'stack-glue' shadow CIB to the cluster\n" #~ "crm(stack-glue)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "5 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ " Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "crm(stack-glue)# cib commit stack-glue\n" #~ "INFO: commited 'stack-glue' shadow CIB to the cluster\n" #~ "crm(stack-glue)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "5 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ " Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ msgid "Add the GFS2 service" #~ msgstr "添加 GFS2 服务" #~ msgid "Once the DLM is active, we can add the GFS2 control daemon." #~ msgstr "一旦DLM启动了，我们可以加上GFS2的控制进程了。" #~ msgid "Use the crm shell to create the gfs-control cluster resource:" #~ msgstr "用crm shell来创建gfs-control这个集群资源:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new gfs-glue --force\n" #~ "INFO: gfs-glue shadow CIB created\n" #~ "crm(gfs-glue)# configure primitive gfs-control ocf:pacemaker:controld params daemon=gfs_controld.pcmk args=\"-g 0\" op monitor interval=120s\n" #~ "crm(gfs-glue)# configure clone gfs-clone gfs-control meta interleave=true\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new gfs-glue --force\n" #~ "INFO: gfs-glue shadow CIB created\n" #~ "crm(gfs-glue)# configure primitive gfs-control ocf:pacemaker:controld params daemon=gfs_controld.pcmk args=\"-g 0\" op monitor interval=120s\n" #~ "crm(gfs-glue)# configure clone gfs-clone gfs-control meta interleave=true\n" #~ msgid "Now ensure Pacemaker only starts the gfs-control service on nodes that also have a copy of the dlm service (created above) already running" #~ msgstr "现在确保Pacemaker只在有dlm服务运行的节点上面启动 gfs-control 服务" #~ msgid "" #~ "\n" #~ "crm(gfs-glue)# configure colocation gfs-with-dlm INFINITY: gfs-clone dlm-clone\n" #~ "crm(gfs-glue)# configure order start-gfs-after-dlm mandatory: dlm-clone gfs-clone\n" #~ msgstr "" #~ "\n" #~ "crm(gfs-glue)# configure colocation gfs-with-dlm INFINITY: gfs-clone dlm-clone\n" #~ "crm(gfs-glue)# configure order start-gfs-after-dlm mandatory: dlm-clone gfs-clone\n" #~ msgid "" #~ "\n" #~ "crm(gfs-glue)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ " params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ " op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ " meta interleave=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ "crm(gfs-glue)# cib commit gfs-glue\n" #~ "INFO: commited 'gfs-glue' shadow CIB to the cluster\n" #~ "crm(gfs-glue)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ " Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "crm(gfs-glue)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ " params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ " op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ " meta interleave=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ "crm(gfs-glue)# cib commit gfs-glue\n" #~ "INFO: commited 'gfs-glue' shadow CIB to the cluster\n" #~ "crm(gfs-glue)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ " Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-1\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 15:18:06 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_resource --resource WebFS --set-parameter target-role --meta --parameter-value Stopped\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 15:18:06 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ msgid "Lastly, we use -t to specify the lock table name. The format for this field is clustername:fsname. For the fsname, we just need to pick something unique and descriptive and since we haven’t specified a clustername yet, we will use the default (pcmk)." #~ msgstr "最后，我们用-t来指定lock table的名称。这个字段的格式是 clustername:fsname(集群名称:文件系统名称)。fsname的话，我们只要用一个唯一的并且能描述我们这个集群的名称就好了，我们用默认的pcmk。" #~ msgid "To specify an alternate name for the cluster, locate the service section containing “name: pacemaker” in corosync.conf and insert the following line anywhere inside the block:" #~ msgstr "如果要更改集群的名称，找到包含name:pacemaker的配置文件区域，然后添加如下所示的选项即可。" #~ msgid "clustername: myname" #~ msgstr "clustername: myname" #~ msgid "Do this on each node in the cluster and be sure to restart them before continuing." #~ msgstr "在每个节点都执行以下命令。" #~ msgid "" #~ "\n" #~ "mkfs.gfs2 -p lock_dlm -j 2 -t pcmk:web /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mkfs.gfs2 -t pcmk:web -p lock_dlm -j 2 /dev/vdb \n" #~ "This will destroy any data on /dev/vdb.\n" #~ "It appears to contain: data\n" #~ "\n" #~ "Are you sure you want to proceed? [y/n] y\n" #~ "\n" #~ "Device:                    /dev/vdb\n" #~ "Blocksize:                 4096\n" #~ "Device Size                1.00 GB (131072 blocks)\n" #~ "Filesystem Size:           1.00 GB (131070 blocks)\n" #~ "Journals:                  2\n" #~ "Resource Groups:           2\n" #~ "Locking Protocol:          \"lock_dlm\"\n" #~ "Lock Table:                \"pcmk:web\"\n" #~ "UUID:                      6B776F46-177B-BAF8-2C2B-292C0E078613\n" #~ "\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "mkfs.gfs2 -p lock_dlm -j 2 -t pcmk:web /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mkfs.gfs2 -t pcmk:web -p lock_dlm -j 2 /dev/vdb \n" #~ "This will destroy any data on /dev/vdb.\n" #~ "It appears to contain: data\n" #~ "\n" #~ "Are you sure you want to proceed? [y/n] y\n" #~ "\n" #~ "Device:                    /dev/vdb\n" #~ "Blocksize:                 4096\n" #~ "Device Size                1.00 GB (131072 blocks)\n" #~ "Filesystem Size:           1.00 GB (131070 blocks)\n" #~ "Journals:                  2\n" #~ "Resource Groups:           2\n" #~ "Locking Protocol:          \"lock_dlm\"\n" #~ "Lock Table:                \"pcmk:web\"\n" #~ "UUID:                      6B776F46-177B-BAF8-2C2B-292C0E078613\n" #~ "\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new GFS2\n" #~ "INFO: GFS2 shadow CIB created\n" #~ "crm(GFS2)# configure delete WebFS\n" #~ "crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new GFS2\n" #~ "INFO: GFS2 shadow CIB created\n" #~ "crm(GFS2)# configure delete WebFS\n" #~ "crm(GFS2)# configure primitive WebFS ocf:heartbeat:Filesystem params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ msgid "Now that we’ve recreated the resource, we also need to recreate all the constraints that used it. This is because the shell will automatically remove any constraints that referenced WebFS." #~ msgstr "现在我们重新创建这个资源， 我们也要重建跟这个资源相关的约束条件，因为shell会自动删除跟WebFS相关的约束条件。" #~ msgid "" #~ "\n" #~ "crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "crm(GFS2)# configure colocation WebFS-with-gfs-control INFINITY: WebFS gfs-clone\n" #~ "crm(GFS2)# configure order start-WebFS-after-gfs-control mandatory: gfs-clone WebFS\n" #~ "crm(GFS2)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFS gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFS\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgstr "" #~ "\n" #~ "crm(GFS2)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(GFS2)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(GFS2)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "crm(GFS2)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "crm(GFS2)# configure colocation WebFS-with-gfs-control INFINITY: WebFS gfs-clone\n" #~ "crm(GFS2)# configure order start-WebFS-after-gfs-control mandatory: gfs-clone WebFS\n" #~ "crm(GFS2)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFS gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFS\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgid "" #~ "\n" #~ "crm(GFS2)# cib commit GFS2\n" #~ "INFO: commited 'GFS2' shadow CIB to the cluster\n" #~ "crm(GFS2)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "crm(GFS2)# cib commit GFS2\n" #~ "INFO: commited 'GFS2' shadow CIB to the cluster\n" #~ "crm(GFS2)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 20:49:54 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "[root@pcmk-1 ~]# cib new active\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "[root@pcmk-1 ~]# cib new active\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ " " #~ msgid "Open the ClusterIP resource" #~ msgstr "打开ClusterIP的配置" #~ msgid "[root@pcmk-1 ~]# configure edit  ClusterIP" #~ msgstr "[root@pcmk-1 ~]# configure edit  ClusterIP" #~ msgid "And add the following to the params line" #~ msgstr "在参数行添加以下内容:" #~ msgid "clusterip_hash=\"sourceip\"" #~ msgstr "clusterip_hash=\"sourceip\"" #~ msgid "So that the complete definition looks like:" #~ msgstr "完整的定义就像下面一样:" #~ msgid "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ " " #~ msgstr "" #~ "\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ " " #~ msgid "Here is the full transcript" #~ msgstr "以下是完整的配置" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new active\n" #~ "INFO: active shadow CIB created\n" #~ "crm(active)# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebIP ClusterIP \\\n" #~ " meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFS gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: WebIP WebSite\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFS\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new active\n" #~ "INFO: active shadow CIB created\n" #~ "crm(active)# configure clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebIP ClusterIP \\\n" #~ " meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFS gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSite WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: WebIP WebSite\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFS\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgid "Notice how any constraints that referenced ClusterIP have been updated to use WebIP instead. This is an additional benefit of using the crm shell." #~ msgstr "请注意所有跟ClusterIP相关的限制都已经被更新到与WebIP相关，这是使用crm shell的另一个好处。" #~ msgid "" #~ "\n" #~ "crm(active)# configure clone WebFSClone WebFS\n" #~ "crm(active)# configure clone WebSiteClone WebSite\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure clone WebFSClone WebFS\n" #~ "crm(active)# configure clone WebSiteClone WebSite\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(active)# configure edit WebDataClone\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure edit WebDataClone\n" #~ " " #~ msgid "Change master-max to 2" #~ msgstr "把 master-max 改为 2" #~ msgid "" #~ "\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(active)# cib commit active\n" #~ "INFO: commited 'active' shadow CIB to the cluster\n" #~ "crm(active)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 21:37:27 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: WebIP\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebFSClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebSiteClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(active)# cib commit active\n" #~ "INFO: commited 'active' shadow CIB to the cluster\n" #~ "crm(active)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Sep  3 21:37:27 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "6 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: dlm-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: gfs-clone\n" #~ "        Started: [ pcmk-2 pcmk-1 ]\n" #~ "Clone Set: WebIP\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebFSClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ "Clone Set: WebSiteClone\n" #~ " Started: [ pcmk-1 pcmk-2 ]\n" #~ " " #~ msgid "The list of nodes the cluster considers to be available" #~ msgstr "集群认为列表中的节点都是可用的" #~ msgid "information and fencing capabilities." #~ msgstr "信息和隔离功能。" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Active-Passive.mo000066400000000000000000000746541217637305600260230ustar00rootroot000000000000009O;@cE { }%sQG/UG"vb#$&C')$k)):*L*/*W+`X+"+$+8,L:,z-i.Rl.x.8/S1fL2o2c#33,33#3J4MS4*557C8'/:5W;+;G>7?Q9??@?@%@@A;B@DcG{xI}LrMBTQTWWUZ_v1`afcCe$:f_ffzg9gHgghjhh8hhZij?jTjjkSmd#nZn[n?o$Vo{o*o)oo>pP.qrs&t"u@u9w6)xN`xx?Ay*y!23*$7)  &/#'1, 9  (5+0"6%-48.  crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=192.168.122.101 cidr_netmask=32 \         op monitor interval=30s [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:41:23 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:32:13 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 [root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" \ op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \ [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:23:48 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1 [root@pcmk-1 ~]# crm ra classes heartbeat lsb ocf / heartbeat pacemaker stonith [root@pcmk-1 ~]# crm ra list ocf pacemaker ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld ping           pingd           [root@pcmk-1 ~]# crm ra list ocf heartbeat AoEtarget              AudibleAlarm           ClusterMon             Delay Dummy                  EvmsSCC                Evmsd                  Filesystem ICP                    IPaddr                 IPaddr2                IPsrcaddr LVM                    LinuxSCSI              MailTo                 ManageRAID ManageVE               Pure-FTPd              Raid1                  Route SAPDatabase            SAPInstance            SendArp                ServeRAID SphinxSearchDaemon     Squid                  Stateful               SysInfo VIPArip                VirtualDomain          WAS                    WAS6 WinPopup               Xen                    Xinetd                 anything apache                 db2                    drbd                   eDir88 iSCSILogicalUnit       iSCSITarget            ids                    iscsi ldirectord             mysql                  mysql-proxy            nfsserver oracle                 oralsnr                pgsql                  pingd portblock              rsyncd                 scsi2reservation       sfex tomcat                 vmware                 [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm resource status ClusterIP resource ClusterIP is running on: pcmk-1 [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm_verify -L crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Resource start-up disabled since no STONITH resources have been defined crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity Errors found during check: config not valid   -V may provide more details [root@pcmk-1 ~]# [root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop Stopping Corosync Cluster Engine (corosync): [ OK ] Waiting for services to unload: [ OK ] [root@pcmk-1 ~]# [root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop Stopping Corosync Cluster Engine (corosync):               [  OK  ] Waiting for services to unload:                            [  OK  ] [root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1 ============ Last updated: Fri Aug 28 15:39:38 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 [root@pcmk-2 ~]# crm configure show xml <?xml version="1.0" ?> <cib admin_epoch="0" crm_feature_set="3.0.1" dc-uuid="pcmk-1" epoch="13" have-quorum="1" num_updates="7" validate-with="pacemaker-1.0">   <configuration>     <crm_config>       <cluster_property_set id="cib-bootstrap-options">         <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7"/>         <nvpair id="cib-bootstrap-options-cluster-infrastructure" name="cluster-infrastructure" value="openais"/>         <nvpair id="cib-bootstrap-options-expected-quorum-votes" name="expected-quorum-votes" value="2"/>       </cluster_property_set>     </crm_config>     <rsc_defaults/>     <op_defaults/>     <nodes>       <node id="pcmk-1" type="normal" uname="pcmk-1"/>       <node id="pcmk-2" type="normal" uname="pcmk-2"/>     </nodes>     <resources/>     <constraints/>   </configuration> </cib> [root@pcmk-2 ~]# crm configure show node pcmk-1 node pcmk-2 property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" [root@pcmk-2 ~]# crm_mon ============ Last updated: Fri Aug 28 15:27:35 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] [root@pcmk-2 ~]# crm_mon ============ Last updated: Fri Aug 28 15:30:18 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2 crm configure rsc_defaults resource-stickiness=100 [root@pcmk-2 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" crm configure property stonith-enabled=falsecrm_verify -LA cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true:Adding a ResourceAfter a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum.As you can see, the tool has found some errors.Before we make any changes, its a good idea to check the validity of the configuration.Being a high-availability cluster, we should test failover of our new resource before moving on.Creating an Active/Passive ClusterExploring the Existing ConfigurationFirst, find the node on which the IP address is running.For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled.For those that are not of afraid of XML, you can see the raw configuration by appending “xml” to the previous command.Here we see something that some may consider surprising, the IP is back running at its original location!However when we bring pcmk-1 back online, ClusterIP now remains running on pcmk-2.If we now retry the failover test, we see that as expected ClusterIP still moves to pcmk-2 when pcmk-1 is taken offline.In order to guarantee the safety of your data If the data is corrupt, there is little point in continuing to make it available , Pacemaker ships with STONITH A common node fencing mechanism. Used to ensure data integrity by powering off “bad” nodes. enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose).In some circumstances it is highly desirable to prevent healthy resources from being moved around the cluster. Move resources almost always requires a period of downtime and for complex services like Oracle databases, this period can be quite long.Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status.Now verify that the IP resource has been added and display the cluster’s status to see that it is now active.Once Corosync is no longer running, go to the other node and check the cluster status with crm_mon.Perform a FailoverPrevent Resources from Moving after RecoveryQuorum and Two-Node ClustersShut down Corosync on that machine.The chosen address must not be one already associated with a physical nodeThe first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.101 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds.The last XML you’ll see in this documentThe other important piece of information here is ocf:heartbeat:IPaddr2. This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script.There are three things to notice about the cluster’s current state. The first is that, as expected, pcmk-1 is now offline. However we can also see that ClusterIP isn’t running anywhere!Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless Actually some would argue that two-node clusters are always pointless, but that is an argument for another time. , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether.This is because the cluster no longer has quorum, as can be seen by the text “partition WITHOUT quorum” (emphasised green) in the output above. In order to reduce the possibility of data corruption, Pacemaker’s default behavior is to stop all resources if the cluster does not have quorum.This is what the base configuration should look like.To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the “cost” of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve “optimal It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes create implicit preferences (required in order to create a stabile solution) in situations where the administrator had not explicitly specified some. ” resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default.To disable STONITH, we set the stonith-enabled cluster option to false.To obtain a list of the available resource classes, runTo then find all the OCF resource agents provided by Pacemaker and Heartbeat, runWhen Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used.With the new cluster option set, the configuration is now valid.total_nodes - 1 < 2 * active_nodesProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-16 00:24+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=192.168.122.101 cidr_netmask=32 \         op monitor interval=30s [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:41:23 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:32:13 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 [root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip="192.168.122.101" cidr_netmask="32" \ op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \ [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 15:23:48 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1 [root@pcmk-1 ~]# crm ra classes heartbeat lsb ocf / heartbeat pacemaker stonith [root@pcmk-1 ~]# crm ra list ocf pacemaker ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld ping           pingd           [root@pcmk-1 ~]# crm ra list ocf heartbeat AoEtarget              AudibleAlarm           ClusterMon             Delay Dummy                  EvmsSCC                Evmsd                  Filesystem ICP                    IPaddr                 IPaddr2                IPsrcaddr LVM                    LinuxSCSI              MailTo                 ManageRAID ManageVE               Pure-FTPd              Raid1                  Route SAPDatabase            SAPInstance            SendArp                ServeRAID SphinxSearchDaemon     Squid                  Stateful               SysInfo VIPArip                VirtualDomain          WAS                    WAS6 WinPopup               Xen                    Xinetd                 anything apache                 db2                    drbd                   eDir88 iSCSILogicalUnit       iSCSITarget            ids                    iscsi ldirectord             mysql                  mysql-proxy            nfsserver oracle                 oralsnr                pgsql                  pingd portblock              rsyncd                 scsi2reservation       sfex tomcat                 vmware                 [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm resource status ClusterIP resource ClusterIP is running on: pcmk-1 [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm_verify -L crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Resource start-up disabled since no STONITH resources have been defined crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity Errors found during check: config not valid   -V may provide more details [root@pcmk-1 ~]# [root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop Stopping Corosync Cluster Engine (corosync): [ OK ] Waiting for services to unload: [ OK ] [root@pcmk-1 ~]# [root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop Stopping Corosync Cluster Engine (corosync):               [  OK  ] Waiting for services to unload:                            [  OK  ] [root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1 ============ Last updated: Fri Aug 28 15:39:38 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 [root@pcmk-2 ~]# crm configure show xml <?xml version="1.0" ?> <cib admin_epoch="0" crm_feature_set="3.0.1" dc-uuid="pcmk-1" epoch="13" have-quorum="1" num_updates="7" validate-with="pacemaker-1.0">   <configuration>     <crm_config>       <cluster_property_set id="cib-bootstrap-options">         <nvpair id="cib-bootstrap-options-dc-version" name="dc-version" value="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7"/>         <nvpair id="cib-bootstrap-options-cluster-infrastructure" name="cluster-infrastructure" value="openais"/>         <nvpair id="cib-bootstrap-options-expected-quorum-votes" name="expected-quorum-votes" value="2"/>       </cluster_property_set>     </crm_config>     <rsc_defaults/>     <op_defaults/>     <nodes>       <node id="pcmk-1" type="normal" uname="pcmk-1"/>       <node id="pcmk-2" type="normal" uname="pcmk-2"/>     </nodes>     <resources/>     <constraints/>   </configuration> </cib> [root@pcmk-2 ~]# crm configure show node pcmk-1 node pcmk-2 property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" [root@pcmk-2 ~]# crm_mon ============ Last updated: Fri Aug 28 15:27:35 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] [root@pcmk-2 ~]# crm_mon ============ Last updated: Fri Aug 28 15:30:18 2009 Stack: openais Current DC: pcmk-2 - partition WITHOUT quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 1 Resources configured. ============ Online: [ pcmk-2 ] OFFLINE: [ pcmk-1 ] ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2 crm configure rsc_defaults resource-stickiness=100 [root@pcmk-2 ~]# crm configure show node pcmk-1 node pcmk-2 primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \ resource-stickiness="100" crm configure property stonith-enabled=falsecrm_verify -L当有半数以上的节点在线时，这个集群就认为自己拥有法定人数了，是“合法”的，换而言之就是下面的公式:添加一个资源过了一会，集群会在剩下的那个节点上启动这个IP。请注意集群现在依然没有达到法定人数。就像你看到的，这个工具发现了一些错误。在我们做出任何改变之前，我们最好检查下配置文件。作为一个高可用的集群，我们在继续本文档之前，我们要需要测试失效备援 。创建一个主/备集群浏览现有配置首先，找到IP资源现在在哪个节点上运行。目前，我们禁用这个特性，然后在 配置STONISH 章节来配置它。这里要指出，使用STONITH是非常有必要的。关闭这个特性就是告诉集群:假装故障的节点已经安全的关机了。一些供应商甚至不允许这个特性被关闭。如果有谁想看看XML格式的，你可以添加xml选项来看到原始的配置文件现在我们可以看到让某些人惊奇的事情，IP资源回到原来那个节点(pcmk-1)上去了。但是当我们把pcmk-1恢复在线后，ClusterIP现在还是跑在pcmk-2上面。现在我们重新尝试失效援备测试，我们可以看到，正如我们所料，当pcmk-1不在线的时候ClusterIP还是移动到了pcmk-2为了确保您数据的安全性 如果数据是损坏的，那保证它的可用性是没有意义的 ，请使用配备STONITH 一个常见的隔离手段。用关掉坏节点电源的办法来保证数据完整 的Pacemaker。但是当没有配置STONITH的时候也会报这个错误(因为当集群中某个节点需要被隔离的时候，集群就无法工作了)。一些环境中会要求尽量避免资源在节点之间移动。移动资源通常意味着一段时间内无法提供服务，某些复杂的服务，比如Oracle数据库，这个时间可能会很长。现在模拟节点恢复，我们启动 pcmk-1 上面的Corosync服务，然后检查集群状态。现在检查下IP 资源是不是已经添加了，并且看看是否处在可用状态。当Corosync停止运行以后，我们到另外一个节点用crm_mon来检查集群状态. 做一次失效备援防止资源在节点恢复后移动法定人数和双节点集群关闭那个节点上面的Corosync服务:选择的IP地址不能被节点所占用首先要做的是配置一个IP地址，不管集群服务在哪运行，我们要一个固定的地址来提供服务。在这里我选择192.168.122.101作为浮动IP，给它取一个好记的名字 ClusterIP 并且告诉集群 每30秒检查它一次这是本文档最后一次显示XML。(作者怨念很深啊)另外一个重要的信息是 ocf:heartbeat:IPaddr2。这告诉Pacemaker三件事情，第一个部分，ocf，指明了这个资源采用的标准(类型)以及在哪能找到它。第二个部分标明这个资源脚本的在OCF中的名字空间，在这个例子中是heartbeat。最后一个部分指明了资源脚本的名称。关于集群状态，我们有三个地方需要注意，首先，如我们所料pcmk-1已经下线了，然而我们发现ClusterIP不在任何地方运行！因此在双节点的集群中，只有当两者都在线时才是合法的。 这个规则会让 双节点的集群 毫无意义，但是我们可以控制Pacemaker发现集群达不到法定人数时候的行为。简单来说，我们告诉集群忽略它 。这是因为集群已经达不到“法定人数”了，就像我们看到的“partition WITHOUT quorum” (用绿色强调的)。为了避免数据遭到破坏，当Pacemaker发现集群达不到法定人数时，就会停止所有的资源。这是初始配置文件的模样:为了达到这个效果，Pacemaker 有一个叫做 资源黏性值 的概念，它能够控制一个服务(资源)有多想呆在它正在运行的节点上。你可以把它认为是无法提供服务的“代价” 这里要注意的是Pacemaker定义的代价跟人们所想的不一样。如果管理员没有明确的指定参数(创建稳定环境所必须的)，那么资源个节点在Pacemaker处理列表中的顺序会隐式地创建参数 ”。 Pacemaker为了达到最优分布各个资源的目的，默认设置这个值为0。我们可以为每个资源定义不同的黏性值，但一般来说，更改默认黏性值就够了。我们将 stonith-enabled设置为 false 来关闭STONITH可以运行下面的命令来获得可用的资源类找到OCF中Pacemaker和Heartbeat提供的资源脚本，运行下面的命令当Pacemaker启动的时候，它会自动记录节点的数量和详细信息，以及基层软件(本文中是corosync)和Pacemaker的版本。设置完这个选项以后，校验配置文件就正常了。总节点数 - 1 < 2 * 可用的节点pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Active-Passive.po000066400000000000000000001317751217637305600260240ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:24+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Creating an Active/Passive Cluster" msgstr "创建一个主/备集群" #. Tag: title #, no-c-format msgid "Exploring the Existing Configuration" msgstr "浏览现有配置" #. Tag: para #, no-c-format msgid "When Pacemaker starts up, it automatically records the number and details of the nodes in the cluster as well as which stack is being used and the version of Pacemaker being used." msgstr "当Pacemaker启动的时候，它会自动记录节点的数量和详细信息，以及基层软件(本文中是corosync)和Pacemaker的版本。" #. Tag: para #, no-c-format msgid "This is what the base configuration should look like." msgstr "这是初始配置文件的模样:" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:12:01 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "For those that are not of afraid of XML, you can see the raw cluster configuration and status by using the pcs cluster cib command." msgstr "如果有谁想看看XML格式的，你可以添加xml选项来看到原始的配置文件" #. Tag: title #, no-c-format msgid "The last XML you’ll see in this document" msgstr "这是本文档最后一次显示XML。(作者怨念很深啊)" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<cib epoch=\"4\" num_updates=\"19\" admin_epoch=\"0\" validate-with=\"pacemaker-1.2\" crm_feature_set=\"3.0.6\" update-origin=\"pcmk-1\" update-client=\"crmd\" cib-last-written=\"Wed Aug 1 16:08:52 2012\" have-quorum=\"1\" dc-uuid=\"1\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\"/>\n" " <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"corosync\"/>\n" " </cluster_property_set>\n" " </crm_config>\n" " <nodes>\n" " <node id=\"1\" uname=\"pcmk-1\" type=\"normal\"/>\n" " <node id=\"2\" uname=\"pcmk-2\" type=\"normal\"/>\n" " </nodes>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status>\n" " <node_state id=\"2\" uname=\"pcmk-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"2\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"2\">\n" " <instance_attributes id=\"status-2\">\n" " <nvpair id=\"status-2-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " <node_state id=\"1\" uname=\"pcmk-1\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_state_transition\" shutdown=\"0\">\n" " <lrm id=\"1\">\n" " <lrm_resources/>\n" " </lrm>\n" " <transient_attributes id=\"1\">\n" " <instance_attributes id=\"status-1\">\n" " <nvpair id=\"status-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" " </node_state>\n" " </status>\n" "</cib>" msgstr "" #. Tag: para #, no-c-format msgid "Before we make any changes, its a good idea to check the validity of the configuration." msgstr "在我们做出任何改变之前，我们最好检查下配置文件。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_verify -L -V\n" " error: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" " error: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" " error: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" " -V may provide more details" msgstr "" "\n" "[root@pcmk-1 ~]# crm_verify -L\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Resource start-up disabled since no STONITH resources have been defined\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: Either configure some or disable STONITH with the stonith-enabled option\n" "crm_verify[2195]: 2009/08/27_16:57:12 ERROR: unpack_resources: NOTE: Clusters with shared data need STONITH to ensure data integrity\n" "Errors found during check: config not valid\n" "  -V may provide more details\n" "[root@pcmk-1 ~]#\n" #. Tag: para #, no-c-format msgid "As you can see, the tool has found some errors." msgstr "就像你看到的，这个工具发现了一些错误。" #. Tag: para #, fuzzy, no-c-format msgid "In order to guarantee the safety of your data If the data is corrupt, there is little point in continuing to make it available , the default for STONITH A common node fencing mechanism. Used to ensure data integrity by powering off \"bad\" nodes in Pacemaker is enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose)." msgstr "为了确保您数据的安全性 如果数据是损坏的，那保证它的可用性是没有意义的 ，请使用配备STONITH 一个常见的隔离手段。用关掉坏节点电源的办法来保证数据完整 的Pacemaker。但是当没有配置STONITH的时候也会报这个错误(因为当集群中某个节点需要被隔离的时候，集群就无法工作了)。" #. Tag: para #, no-c-format msgid "For now, we will disable this feature and configure it later in the Configuring STONITH section. It is important to note that the use of STONITH is highly encouraged, turning it off tells the cluster to simply pretend that failed nodes are safely powered off. Some vendors will even refuse to support clusters that have it disabled." msgstr "目前，我们禁用这个特性，然后在 配置STONISH 章节来配置它。这里要指出，使用STONITH是非常有必要的。关闭这个特性就是告诉集群:假装故障的节点已经安全的关机了。一些供应商甚至不允许这个特性被关闭。" #. Tag: para #, fuzzy, no-c-format msgid "To disable STONITH, we set the stonith-enabled cluster option to false." msgstr "我们将 stonith-enabled设置为 false 来关闭STONITH" #. Tag: programlisting #, no-c-format msgid "" "# pcs property set stonith-enabled=false\n" "# crm_verify -L" msgstr "" #. Tag: para #, no-c-format msgid "With the new cluster option set, the configuration is now valid." msgstr "设置完这个选项以后，校验配置文件就正常了。" #. Tag: para #, no-c-format msgid "The use of stonith-enabled=false is completely inappropriate for a production cluster. We use it here to defer the discussion of its configuration which can differ widely from one installation to the next. See for information on why STONITH is important and details on how to configure it." msgstr "" #. Tag: title #, no-c-format msgid "Adding a Resource" msgstr "添加一个资源" #. Tag: para #, fuzzy, no-c-format msgid "The first thing we should do is configure an IP address. Regardless of where the cluster service(s) are running, we need a consistent address to contact them on. Here I will choose and add 192.168.122.120 as the floating address, give it the imaginative name ClusterIP and tell the cluster to check that its running every 30 seconds." msgstr "首先要做的是配置一个IP地址，不管集群服务在哪运行，我们要一个固定的地址来提供服务。在这里我选择192.168.122.101作为浮动IP，给它取一个好记的名字 ClusterIP 并且告诉集群 每30秒检查它一次" #. Tag: para #, no-c-format msgid "The chosen address must not be one already associated with a physical node" msgstr "选择的IP地址不能被节点所占用" #. Tag: screen #, fuzzy, no-c-format msgid "" "# pcs resource create ClusterIP ocf:heartbeat:IPaddr2 \\\n" " ip=192.168.0.120 cidr_netmask=32 op monitor interval=30s" msgstr "" "\n" "crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \\ \n" "        params ip=192.168.122.101 cidr_netmask=32 \\ \n" "        op monitor interval=30s\n" #. Tag: para #, no-c-format msgid "The other important piece of information here is ocf:heartbeat:IPaddr2." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This tells Pacemaker three things about the resource you want to add. The first field, ocf, is the standard to which the resource script conforms to and where to find it. The second field is specific to OCF resources and tells the cluster which namespace to find the resource script in, in this case heartbeat. The last field indicates the name of the resource script." msgstr "另外一个重要的信息是 ocf:heartbeat:IPaddr2。这告诉Pacemaker三件事情，第一个部分，ocf，指明了这个资源采用的标准(类型)以及在哪能找到它。第二个部分标明这个资源脚本的在OCF中的名字空间，在这个例子中是heartbeat。最后一个部分指明了资源脚本的名称。" #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available resource standards (the ocf part of ocf:heartbeat:IPaddr2), run" msgstr "可以运行下面的命令来获得可用的资源类" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource standards\n" "ocf\n" "lsb\n" "service\n" "systemd\n" "stonith" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "To obtain a list of the available ocf resource providers (the heartbeat part of ocf:heartbeat:IPaddr2), run" msgstr "可以运行下面的命令来获得可用的资源类" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource providers\n" "heartbeat\n" "linbit\n" "pacemaker\n" "redhat" msgstr "" #. Tag: para #, no-c-format msgid "Finally, if you want to see all the resource agents available for a specific ocf provider (the IPaddr2 part of ocf:heartbeat:IPaddr2), run" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource agents ocf:heartbeat\n" "AoEtarget\n" "AudibleAlarm\n" "CTDB\n" "ClusterMon\n" "Delay\n" "Dummy\n" ".\n" ". (skipping lots of resources to save space)\n" ".\n" "IPaddr2\n" ".\n" ".\n" ".\n" "symlink\n" "syslog-ng\n" "tomcat\n" "vmware" msgstr "" #. Tag: para #, no-c-format msgid "Now verify that the IP resource has been added and display the cluster’s status to see that it is now active." msgstr "现在检查下IP 资源是不是已经添加了，并且看看是否处在可用状态。" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:17:00 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Perform a Failover" msgstr " 做一次失效备援" #. Tag: para #, no-c-format msgid "Being a high-availability cluster, we should test failover of our new resource before moving on." msgstr "作为一个高可用的集群，我们在继续本文档之前，我们要需要测试失效备援 。" #. Tag: para #, no-c-format msgid "First, find the node on which the IP address is running." msgstr "首先，找到IP资源现在在哪个节点上运行。" #. Tag: para #, fuzzy, no-c-format msgid "Shut down Pacemaker and Corosync on that machine." msgstr "关闭那个节点上面的Corosync服务:" #. Tag: programlisting #, no-c-format msgid "" "#pcs cluster stop pcmk-1\n" "Stopping Cluster..." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once Corosync is no longer running, go to the other node and check the cluster status." msgstr "当Corosync停止运行以后，我们到另外一个节点用crm_mon来检查集群状态." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:31:01 2012\n" "Last change: Fri Sep 14 10:15:48 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Stopped" msgstr "" "\n" "[root@pcmk-2 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 15:30:18 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition WITHOUT quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "1 Resources configured.\n" "============\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2\n" #. Tag: para #, fuzzy, no-c-format msgid "There are three things to notice about the cluster’s current state. The first is that, as expected, pcmk-1 is now offline. However we can also see that ClusterIP isn’t running anywhere!" msgstr "关于集群状态，我们有三个地方需要注意，首先，如我们所料pcmk-1已经下线了，然而我们发现ClusterIP不在任何地方运行！" #. Tag: title #, no-c-format msgid "Quorum and Two-Node Clusters" msgstr "法定人数和双节点集群" #. Tag: para #, fuzzy, no-c-format msgid "This is because the cluster no longer has quorum, as can be seen by the text \"partition WITHOUT quorum\" in the status output. In order to reduce the possibility of data corruption, Pacemaker’s default behavior is to stop all resources if the cluster does not have quorum." msgstr "这是因为集群已经达不到“法定人数”了，就像我们看到的“partition WITHOUT quorum” (用绿色强调的)。为了避免数据遭到破坏，当Pacemaker发现集群达不到法定人数时，就会停止所有的资源。" #. Tag: para #, no-c-format msgid "A cluster is said to have quorum when more than half the known or expected nodes are online, or for the mathematically inclined, whenever the following equation is true:" msgstr "当有半数以上的节点在线时，这个集群就认为自己拥有法定人数了，是“合法”的，换而言之就是下面的公式:" #. Tag: literallayout #, fuzzy, no-c-format msgid "total_nodes < 2 * active_nodes" msgstr "总节点数 - 1 < 2 * 可用的节点" #. Tag: para #, fuzzy, no-c-format msgid "Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless Actually some would argue that two-node clusters are always pointless, but that is an argument for another time , however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether." msgstr "因此在双节点的集群中，只有当两者都在线时才是合法的。 这个规则会让 双节点的集群 毫无意义，但是我们可以控制Pacemaker发现集群达不到法定人数时候的行为。简单来说，我们告诉集群忽略它 。" #. Tag: programlisting #, no-c-format msgid "" "# pcs property set no-quorum-policy=ignore\n" "# pcs property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "stonith-enabled: false\n" "no-quorum-policy: ignore" msgstr "" #. Tag: para #, no-c-format msgid "After a few moments, the cluster will start the IP address on the remaining node. Note that the cluster still does not have quorum." msgstr "过了一会，集群会在剩下的那个节点上启动这个IP。请注意集群现在依然没有达到法定人数。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 10:38:11 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition WITHOUT quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" "\n" "[root@pcmk-2 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 15:30:18 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition WITHOUT quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "1 Resources configured.\n" "============\n" "Online: [ pcmk-2 ]\n" "OFFLINE: [ pcmk-1 ]\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-2\n" #. Tag: para #, no-c-format msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status. Note, if you get an authentication error with the pcs cluster start pcmk-1 command, you must authenticate on the node using the pcs cluster auth pcmk pcmk-1 pcmk-2 command discussed earlier." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start pcmk-1\n" "Starting Cluster...\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:42:56 2012\n" "Last change: Fri Sep 14 10:37:53 2012 via cibadmin on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "1 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "In the dark days, the cluster may have moved the IP back to its original location (pcmk-1). Usually this is no longer the case." msgstr "" #. Tag: title #, no-c-format msgid "Prevent Resources from Moving after Recovery" msgstr "防止资源在节点恢复后移动" #. Tag: para #, fuzzy, no-c-format msgid "In most circumstances, it is highly desirable to prevent healthy resources from being moved around the cluster. Moving resources almost always requires a period of downtime. For complex services like Oracle databases, this period can be quite long." msgstr "一些环境中会要求尽量避免资源在节点之间移动。移动资源通常意味着一段时间内无法提供服务，某些复杂的服务，比如Oracle数据库，这个时间可能会很长。" #. Tag: para #, fuzzy, no-c-format msgid "To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the \"cost\" of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve \"optimal\" It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes creates implicit preferences in situations where the administrator has not explicitly specified them resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default." msgstr "为了达到这个效果，Pacemaker 有一个叫做 资源黏性值 的概念，它能够控制一个服务(资源)有多想呆在它正在运行的节点上。你可以把它认为是无法提供服务的“代价” 这里要注意的是Pacemaker定义的代价跟人们所想的不一样。如果管理员没有明确的指定参数(创建稳定环境所必须的)，那么资源个节点在Pacemaker处理列表中的顺序会隐式地创建参数 ”。 Pacemaker为了达到最优分布各个资源的目的，默认设置这个值为0。我们可以为每个资源定义不同的黏性值，但一般来说，更改默认黏性值就够了。" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource rsc defaults resource-stickiness=100\n" "# pcs resource rsc defaults\n" "resource-stickiness: 100" msgstr "" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show xml\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<cib admin_epoch=\"0\" crm_feature_set=\"3.0.1\" dc-uuid=\"pcmk-1\" epoch=\"13\" have-quorum=\"1\" num_updates=\"7\" validate-with=\"pacemaker-1.0\">\n" #~ "  <configuration>\n" #~ "    <crm_config>\n" #~ "      <cluster_property_set id=\"cib-bootstrap-options\">\n" #~ "        <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"openais\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-expected-quorum-votes\" name=\"expected-quorum-votes\" value=\"2\"/>\n" #~ "      </cluster_property_set>\n" #~ "    </crm_config>\n" #~ "    <rsc_defaults/>\n" #~ "    <op_defaults/>\n" #~ "    <nodes>\n" #~ "      <node id=\"pcmk-1\" type=\"normal\" uname=\"pcmk-1\"/>\n" #~ "      <node id=\"pcmk-2\" type=\"normal\" uname=\"pcmk-2\"/>\n" #~ "    </nodes>\n" #~ "    <resources/>\n" #~ "    <constraints/>\n" #~ "  </configuration>\n" #~ "</cib>\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm configure show xml\n" #~ "<?xml version=\"1.0\" ?>\n" #~ "<cib admin_epoch=\"0\" crm_feature_set=\"3.0.1\" dc-uuid=\"pcmk-1\" epoch=\"13\" have-quorum=\"1\" num_updates=\"7\" validate-with=\"pacemaker-1.0\">\n" #~ "  <configuration>\n" #~ "    <crm_config>\n" #~ "      <cluster_property_set id=\"cib-bootstrap-options\">\n" #~ "        <nvpair id=\"cib-bootstrap-options-dc-version\" name=\"dc-version\" value=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-cluster-infrastructure\" name=\"cluster-infrastructure\" value=\"openais\"/>\n" #~ "        <nvpair id=\"cib-bootstrap-options-expected-quorum-votes\" name=\"expected-quorum-votes\" value=\"2\"/>\n" #~ "      </cluster_property_set>\n" #~ "    </crm_config>\n" #~ "    <rsc_defaults/>\n" #~ "    <op_defaults/>\n" #~ "    <nodes>\n" #~ "      <node id=\"pcmk-1\" type=\"normal\" uname=\"pcmk-1\"/>\n" #~ "      <node id=\"pcmk-2\" type=\"normal\" uname=\"pcmk-2\"/>\n" #~ "    </nodes>\n" #~ "    <resources/>\n" #~ "    <constraints/>\n" #~ "  </configuration>\n" #~ "</cib>\n" #~ msgid "crm configure property stonith-enabled=false" #~ msgstr "crm configure property stonith-enabled=false" #~ msgid "crm_verify -L" #~ msgstr "crm_verify -L" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra classes\n" #~ "heartbeat\n" #~ "lsb\n" #~ "ocf / heartbeat pacemaker\n" #~ "stonith\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra classes\n" #~ "heartbeat\n" #~ "lsb\n" #~ "ocf / heartbeat pacemaker\n" #~ "stonith\n" #~ msgid "To then find all the OCF resource agents provided by Pacemaker and Heartbeat, run" #~ msgstr "找到OCF中Pacemaker和Heartbeat提供的资源脚本，运行下面的命令" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra list ocf pacemaker\n" #~ "ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld\n" #~ "ping           pingd          \n" #~ "[root@pcmk-1 ~]# crm ra list ocf heartbeat\n" #~ "AoEtarget              AudibleAlarm           ClusterMon             Delay\n" #~ "Dummy                  EvmsSCC                Evmsd                  Filesystem\n" #~ "ICP                    IPaddr                 IPaddr2                IPsrcaddr\n" #~ "LVM                    LinuxSCSI              MailTo                 ManageRAID\n" #~ "ManageVE               Pure-FTPd              Raid1                  Route\n" #~ "SAPDatabase            SAPInstance            SendArp                ServeRAID\n" #~ "SphinxSearchDaemon     Squid                  Stateful               SysInfo\n" #~ "VIPArip                VirtualDomain          WAS                    WAS6\n" #~ "WinPopup               Xen                    Xinetd                 anything\n" #~ "apache                 db2                    drbd                   eDir88\n" #~ "iSCSILogicalUnit       iSCSITarget            ids                    iscsi\n" #~ "ldirectord             mysql                  mysql-proxy            nfsserver\n" #~ "oracle                 oralsnr                pgsql                  pingd\n" #~ "portblock              rsyncd                 scsi2reservation       sfex\n" #~ "tomcat                 vmware                 \n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm ra list ocf pacemaker\n" #~ "ClusterMon     Dummy          Stateful       SysInfo        SystemHealth   controld\n" #~ "ping           pingd          \n" #~ "[root@pcmk-1 ~]# crm ra list ocf heartbeat\n" #~ "AoEtarget              AudibleAlarm           ClusterMon             Delay\n" #~ "Dummy                  EvmsSCC                Evmsd                  Filesystem\n" #~ "ICP                    IPaddr                 IPaddr2                IPsrcaddr\n" #~ "LVM                    LinuxSCSI              MailTo                 ManageRAID\n" #~ "ManageVE               Pure-FTPd              Raid1                  Route\n" #~ "SAPDatabase            SAPInstance            SendArp                ServeRAID\n" #~ "SphinxSearchDaemon     Squid                  Stateful               SysInfo\n" #~ "VIPArip                VirtualDomain          WAS                    WAS6\n" #~ "WinPopup               Xen                    Xinetd                 anything\n" #~ "apache                 db2                    drbd                   eDir88\n" #~ "iSCSILogicalUnit       iSCSITarget            ids                    iscsi\n" #~ "ldirectord             mysql                  mysql-proxy            nfsserver\n" #~ "oracle                 oralsnr                pgsql                  pingd\n" #~ "portblock              rsyncd                 scsi2reservation       sfex\n" #~ "tomcat                 vmware                 \n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ " params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ " op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:23:48 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ " params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ " op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:23:48 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "ClusterIP (ocf::heartbeat:IPaddr): Started pcmk-1\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource status ClusterIP\n" #~ "resource ClusterIP is running on: pcmk-1\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource status ClusterIP\n" #~ "resource ClusterIP is running on: pcmk-1\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync): [ OK ]\n" #~ "Waiting for services to unload: [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync): [ OK ]\n" #~ "Waiting for services to unload: [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:27:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:27:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore\n" #~ "[root@pcmk-1 ~]# crm configure show \n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure property no-quorum-policy=ignore\n" #~ "[root@pcmk-1 ~]# crm configure show \n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ msgid "Now simulate node recovery by restarting the cluster stack on pcmk-1 and check the cluster’s status." #~ msgstr "现在模拟节点恢复，我们启动 pcmk-1 上面的Corosync服务，然后检查集群状态。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ] \n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:32:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ] \n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:32:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ msgid "Here we see something that some may consider surprising, the IP is back running at its original location!" #~ msgstr "现在我们可以看到让某些人惊奇的事情，IP资源回到原来那个节点(pcmk-1)上去了。" #~ msgid "" #~ "\n" #~ "crm configure rsc_defaults resource-stickiness=100\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ " resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "crm configure rsc_defaults resource-stickiness=100\n" #~ "[root@pcmk-2 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ " resource-stickiness=\"100\"\n" #~ msgid "If we now retry the failover test, we see that as expected ClusterIP still moves to pcmk-2 when pcmk-1 is taken offline." #~ msgstr "现在我们重新尝试失效援备测试，我们可以看到，正如我们所料，当pcmk-1不在线的时候ClusterIP还是移动到了pcmk-2" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync):               [  OK  ]\n" #~ "Waiting for services to unload:                            [  OK  ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:39:38 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-1 -- /etc/init.d/corosync stop\n" #~ "Stopping Corosync Cluster Engine (corosync):               [  OK  ]\n" #~ "Waiting for services to unload:                            [  OK  ]\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- crm_mon -1\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:39:38 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition WITHOUT quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-2 ]\n" #~ "OFFLINE: [ pcmk-1 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgid "However when we bring pcmk-1 back online, ClusterIP now remains running on pcmk-2." #~ msgstr "但是当我们把pcmk-1恢复在线后，ClusterIP现在还是跑在pcmk-2上面。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:41:23 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 15:41:23 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "1 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ msgid "In order to guarantee the safety of your data" #~ msgstr "为了保持你的数据的安全性" #~ msgid "If the data is corrupt, there is little point in continuing to make it available" #~ msgstr "如果数据是异常的， 那保证它的可用性是没有意义的。" #~ msgid ", Pacemaker ships with STONITH" #~ msgstr ",Pacemaker与STONITH一起工作" #~ msgid "A common node fencing mechanism. Used to ensure data integrity by powering off “bad” nodes." #~ msgstr "一个常见的隔离途径。用关闭“坏”节点的电源的方法来保证数据完整。" #~ msgid "enabled. However it also knows when no STONITH configuration has been supplied and reports this as a problem (since the cluster would not be able to make progress if a situation requiring node fencing arose)." #~ msgstr "但是当没有配置STONITH的时候也会报这个错误，(因为 当集群需要隔离的时候，集群就无法工作了。)" #~ msgid "Therefore a two-node cluster only has quorum when both nodes are running, which is no longer the case for our cluster. This would normally make the creation of a two-node cluster pointless" #~ msgstr "因此 两个节点的集群 只有在两者都在线时才是合法的。 这个规则会让 两个节点的集群 毫无意义，" #~ msgid "Actually some would argue that two-node clusters are always pointless, but that is an argument for another time." #~ msgstr "事实上某些人会说双节点集群本身就是没有意义的，但这不是现在我们要讨论的问题。" #~ msgid ", however it is possible to control how Pacemaker behaves when quorum is lost. In particular, we can tell the cluster to simply ignore quorum altogether." #~ msgstr "但是我们可以控制Pacemaker达不到法定人数时候的行为。简单来说，我们告诉集群忽略它 。" #~ msgid "To address this, Pacemaker has the concept of resource stickiness which controls how much a service prefers to stay running where it is. You may like to think of it as the “cost” of any downtime. By default, Pacemaker assumes there is zero cost associated with moving resources and will do so to achieve “optimal" #~ msgstr "为了达到这个效果，Pacemaker 有一个叫做 资源黏性值 的概念，它能够控制一个服务(资源)有多想呆在它正在运行的节点上。你可以把它认为是无法提供服务的“代价" #~ msgid "It should be noted that Pacemaker’s definition of optimal may not always agree with that of a human’s. The order in which Pacemaker processes lists of resources and nodes create implicit preferences (required in order to create a stabile solution) in situations where the administrator had not explicitly specified some." #~ msgstr "这里要注意的是Pacemaker定义的代价通常跟常人认为的不一样。如果管理员没有明确的指定顺序，Pacemaker处理列表中的资源和节点顺序隐式地定义了参数(创建稳定的方案所需要的)。" #~ msgid "” resource placement. We can specify a different stickiness for every resource, but it is often sufficient to change the default." #~ msgstr "”。 Pacemaker默认这个值为0，以达到最优分布各个资源的目的。我们可以为每个资源定义不同的黏性值，但一般来说，更改默认黏性值就够了。" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Apache.mo000066400000000000000000001135641217637305600243530ustar00rootroot00000000000000.=H< TjK!,#R$%w*2+;*<if<<<_>(O?x?'??j@@"ALA BC *C,7CdCCDE G H<)H.fIID;KK1KWK#L 9NCNUOOHPUy[!_bjDilnRpuvBLчC=U!׉$j7<K݋) !&Hڎ0 '4M'/sW8˔-EE j )$ -'( % + *!,.&"# <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 </Location> [root@pcmk-1 ~]# cat <<-END >/var/www/html/index.html <html> <body>My Test Site - pcmk-1</body> </html> END [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:14:34 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-2 [root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1 [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:17:35 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-2 [root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm resource move WebSite pcmk-1 [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:19:24 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1. For the curious, we can see the effect of this command by examining the configuration crm configure show [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location cli-prefer-WebSite WebSite \ rule $id="cli-prefer-rule-WebSite" inf: #uname eq pcmk-1 location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm resource unmove WebSite [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:12:49 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:20:53 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 [root@pcmk-1 ~]# yum install -y wget Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved ===========================================================================================  Package        Arch             Version                      Repository               Size =========================================================================================== Installing:  wget         x86_64          1.11.4-5.fc12                   rawhide                393 k Transaction Summary =========================================================================================== Install       1 Package(s) Upgrade       0 Package(s) Total download size: 393 k Downloading Packages: wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 Installed:   wget.x86_64 0:1.11.4-5.fc12 Complete! [root@pcmk-1 ~]# [root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html> <body>My Test Site - pcmk-2</body> </html> END [root@pcmk-2 ~]# [root@ppcmk-1 ~]# yum install -y httpd Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated --> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64 --> Running transaction check ---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated ---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved =======================================================================================  Package               Arch             Version                Repository         Size ======================================================================================= Installing:  httpd               x86_64           2.2.13-2.fc12            rawhide           735 k Installing for dependencies:  apr                 x86_64           1.3.9-2.fc12             rawhide           117 k  apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k  apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k  httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k  mailcap             noarch           2.1.30-1.fc12            rawhide            25 k Transaction Summary ======================================================================================= Install       6 Package(s) Upgrade       0 Package(s) Total download size: 1.0 M Downloading Packages: (1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     (2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     (3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     (4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     (5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     (6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     ---------------------------------------------------------------------------------------- Total                                                       875 kB/s | 1.0 MB     00:01     Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6   Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6   Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6   Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6   Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6   Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 Installed:   httpd.x86_64 0:2.2.13-2.fc12                                                         Dependency Installed:   apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12   apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12   mailcap.noarch 0:2.1.30-1.fc12   Complete! [root@pcmk-1 ~]# After a short delay, we should see the cluster start apacheAlso, we need the wget tool in order for the cluster to be able to check the status of the Apache server.Apache - Adding More ServicesAt this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2 , the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running.Before continuing, we need to make sure Apache is installed on both hosts.Controlling Resource Start/Stop OrderingEnable the Apache status URLEnsuring Resources Run on the Same HostEven though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime).First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we’ll create an index file there.For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2.Giving Control Back to the ClusterHighlighted is the automated constraint used to move the resources to pcmk-1In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in /etc/httpd/conf/httpd.conf and make sure it is not disabled or commented out:Include outputInstallationManually Moving Resources Around the ClusterNote that the automated constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1.Now that we have a basic but functional active/passive two-node cluster, we’re ready to add some real services. We’re going to start with Apache because its a feature of many clusters and relatively simple to configure.Once we’ve finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1.Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint. Again we give it a descriptive name (prefer-pcmk-1), specify the resource we want to run there (WebSite), how badly we’d like it to run there (we’ll use 50 for now, but in a two-node situation almost any value above 0 will do) and the host’s name.PreparationSpecifying a Preferred LocationThere are always times when an administrator needs to override the cluster and force resources to move to a specific location. Underneath we use location constraints like the one we created above, happily you don’t need to care. Just provide the name of the resource and the intended location, we’ll do the rest.There is a way to force them to move though...To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on. If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere.To see the current placement scores, you can use a tool called ptestUpdate the ConfigurationWait a minute, the resources are still on pcmk-2!Wait a moment, the WebSite resource isn’t running on the same host as our IP address!When Apache starts, it binds to the available IP addresses. It doesn’t know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint. We need to give it a name (chose something descriptive like apache-after-ip), indicate that its mandatory (so that any recovery for ClusterIP will also trigger recovery of WebSite) and list the two resources in the order we need them to start.ptest -sLProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:36 PO-Revision-Date: 2010-12-15 23:37+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit <Location /server-status> SetHandler server-status Order deny,allow Deny from all Allow from 127.0.0.1 </Location> [root@pcmk-1 ~]# cat <<-END >/var/www/html/index.html <html> <body>My Test Site - pcmk-1</body> </html> END [root@pcmk-1 ~]# [root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:14:34 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-2 [root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1 [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:17:35 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-2 [root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \ params configfile="/etc/httpd/conf/httpd.conf" \ op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm resource move WebSite pcmk-1 [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:19:24 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1. For the curious, we can see the effect of this command by examining the configuration crm configure show [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location cli-prefer-WebSite WebSite \ rule $id="cli-prefer-rule-WebSite" inf: #uname eq pcmk-1 location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm resource unmove WebSite [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes="2" \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness="100" [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:12:49 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 [root@pcmk-1 ~]# crm_mon ============ Last updated: Fri Aug 28 16:20:53 2009 Stack: openais Current DC: pcmk-2 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 2 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite        (ocf::heartbeat:apache):        Started pcmk-1 [root@pcmk-1 ~]# yum install -y wget Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved ===========================================================================================  Package        Arch             Version                      Repository               Size =========================================================================================== Installing:  wget         x86_64          1.11.4-5.fc12                   rawhide                393 k Transaction Summary =========================================================================================== Install       1 Package(s) Upgrade       0 Package(s) Total download size: 393 k Downloading Packages: wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 Installed:   wget.x86_64 0:1.11.4-5.fc12 Complete! [root@pcmk-1 ~]# [root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html> <body>My Test Site - pcmk-2</body> </html> END [root@pcmk-2 ~]# [root@ppcmk-1 ~]# yum install -y httpd Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated --> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64 --> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64 --> Running transaction check ---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated ---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated ---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated --> Finished Dependency Resolution Dependencies Resolved =======================================================================================  Package               Arch             Version                Repository         Size ======================================================================================= Installing:  httpd               x86_64           2.2.13-2.fc12            rawhide           735 k Installing for dependencies:  apr                 x86_64           1.3.9-2.fc12             rawhide           117 k  apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k  apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k  httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k  mailcap             noarch           2.1.30-1.fc12            rawhide            25 k Transaction Summary ======================================================================================= Install       6 Package(s) Upgrade       0 Package(s) Total download size: 1.0 M Downloading Packages: (1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     (2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     (3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     (4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     (5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     (6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     ---------------------------------------------------------------------------------------- Total                                                       875 kB/s | 1.0 MB     00:01     Running rpm_check_debug Running Transaction Test Finished Transaction Test Transaction Test Succeeded Running Transaction   Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6   Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6   Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6   Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6   Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6   Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 Installed:   httpd.x86_64 0:2.2.13-2.fc12                                                         Dependency Installed:   apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12   apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12   mailcap.noarch 0:2.1.30-1.fc12   Complete! [root@pcmk-1 ~]# 过了一会，我们可以看到集群把apache启动起来了。同样的，为了检测Apache服务器，我们要安装wget这个工具。Apache - 添加更多的服务现在 ，Apache已经可以添加到集群中了。我们管这个资源叫WebSite。我们需要用一个叫做apache的OCF脚本，这个脚本在heartbeat这个名字空间里，唯一一个需要设定的参数就是Apache的主配置文件路径，并且我们告诉集群每一分钟检测一次Apache是否运行。在继续之前，我们先确保两个节点都安装了Apache.控制资源的启动停止顺序开启 Apache status URL确保资源在同一个节点运行即使我们更希望资源在pcmk-1上面运行，但是 这个优先值还是比资源黏性值要小。首先我们为Apache创建一个主页。在Fedora上面默认的Apache docroot是/var/www/html，所以我们在这个目录下面建立一个主页。为了方便，我们简化所用的页面并人工地在两个节点直接同步数据。所以在pcmk-2上面运行这个命令。把控制权交还给集群斜体部分是用来移动资源到pcmk-1约束，它是自动生成的。为了监控Apache实例的健康状态,并在它挂掉的时候恢复Apache服务，资源agent会假设 server-status URL是可用的。查看/etc/httpd/conf/httpd.conf并确保下面的选项没有被禁用或注释掉。Include output安装Apache在集群中手工地移动资源可以看到自动生成的约束已经没有了。如果我们查看集群的状态，我们也可以看到就如我们所预期的，资源还是在pcmk-1上面跑现在我们有了一个基本的但是功能齐全的双节点集群,我们已经可以往里面加些真的服务了。我们准备启动一个Apache服务，因为它是许多集群的主角，并且相对来说比较容易配置。当我们完成那些要求要资源移动到pcmk-1的操作－－在我们的例子里面啥都没干 －－我们可以用unmove命令把集群恢复到强制移动前的状态。因为我们之前配置了默认的资源黏性值，恢复了以后资源还是会在pcmk-1上面。Pacemaker 并不要求你机器的硬件配置是相同的，可能某些机器比另外的机器配置要好。这种状况下我们会希望设置:当某个节点可用时，资源就要跑在上面之类的规则。为了达到这个效果我们创建location约束。同样的，我们给他取一个描述性的名字(prefer-pcmk-1)，指明我们想在上面跑WebSite这个服务，多想在上面跑(我们现在指定分值为50，但是在双节点的集群状态下，任何大于0的值都可以达到想要的效果)，以及目标节点的名字:准备工作指定优先的 Location经常性的会有管理员想要无视集群然后强制把资源移动到指定的地方。 底层的操作就像我们上面创建的location约束一样。只要提供资源和目标地址，我们会补全剩余部分。这里有个办法强制地移动资源为了减少每个机器的负载，Pacemaker会智能地尝试将资源分散到各个节点上面。 然而我们可以告诉集群某两个资源是有联系并且要在同一个节点运行(或不同的节点运行)。这里我们告诉集群WebSite只能在有ClusterIP的节点上运行。如果ClusterIP在哪个节点都不存在，那么WebSite也不能运行。如果要看现在的分值，可以用ptest这个命令更新配置文件等等，资源还是在pcmk-2上面跑的！等等！WebSite这个资源跟IP没有跑在同一个节点上面！当Apache启动了，它跟可用的IP绑在了一起。它不会知道我们后来添加的IP，所以我们不仅需要控制他们在相同的节点运行，也要确保ClusterIP在WebSite之前就启动了。我们用添加ordering约束来达到这个效果。我们需要给这个order取个名字(apache-after-ip之类 描述性的)，并指出他是托管的(这样当ClusterIP恢复了，同时会触发WebSite的恢复) 并且写明了这两个资源的启动顺序。ptest -sLpacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Apache.po000066400000000000000000001607451217637305600243610ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:37+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Apache - Adding More Services" msgstr "Apache - 添加更多的服务" #. Tag: title #, no-c-format msgid "Forward" msgstr "" #. Tag: para #, no-c-format msgid "Now that we have a basic but functional active/passive two-node cluster, we’re ready to add some real services. We’re going to start with Apache because its a feature of many clusters and relatively simple to configure." msgstr "现在我们有了一个基本的但是功能齐全的双节点集群,我们已经可以往里面加些真的服务了。我们准备启动一个Apache服务，因为它是许多集群的主角，并且相对来说比较容易配置。" #. Tag: title #, no-c-format msgid "Installation" msgstr "安装Apache" #. Tag: para #, fuzzy, no-c-format msgid "Before continuing, we need to make sure Apache is installed on both hosts. We also need the wget tool in order for the cluster to be able to check the status of the Apache server." msgstr "同样的，为了检测Apache服务器，我们要安装wget这个工具。" #. Tag: programlisting #, no-c-format msgid "# yum install -y httpd wget" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "fedora/metalink | 2.6 kB 00:00\n" "updates/metalink | 3.2 kB 00:00\n" "updates-testing/metalink | 41 kB 00:00\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package httpd.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Processing Dependency: httpd-tools = 2.2.22-3.fc17 for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.22-3.fc17.x86_64\n" "--> Running transaction check\n" "---> Package apr.x86_64 0:1.4.6-1.fc17 will be installed\n" "---> Package apr-util.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package apr-util-ldap.x86_64 0:1.4.1-2.fc17 will be installed\n" "---> Package httpd-tools.x86_64 0:2.2.22-3.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " httpd x86_64 2.2.22-3.fc17 updates-testing 823 k\n" " wget x86_64 1.13.4-2.fc17 fedora 495 k\n" "Installing for dependencies:\n" " apr x86_64 1.4.6-1.fc17 fedora 99 k\n" " apr-util x86_64 1.4.1-2.fc17 fedora 78 k\n" " apr-util-ldap x86_64 1.4.1-2.fc17 fedora 17 k\n" " httpd-tools x86_64 2.2.22-3.fc17 updates-testing 74 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 1 Package (+4 Dependent packages)\n" "\n" "Total download size: 1.1 M\n" "Installed size: 3.5 M\n" "Downloading Packages:\n" "(1/6): apr-1.4.6-1.fc17.x86_64.rpm | 99 kB 00:00\n" "(2/6): apr-util-1.4.1-2.fc17.x86_64.rpm | 78 kB 00:00\n" "(3/6): apr-util-ldap-1.4.1-2.fc17.x86_64.rpm | 17 kB 00:00\n" "(4/6): httpd-2.2.22-3.fc17.x86_64.rpm | 823 kB 00:01\n" "(5/6): httpd-tools-2.2.22-3.fc17.x86_64.rpm | 74 kB 00:00\n" "(6/6): wget-1.13.4-2.fc17.x86_64.rpm | 495 kB 00:01\n" "-------------------------------------------------------------------------------------\n" "Total 238 kB/s | 1.1 MB 00:04\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : apr-1.4.6-1.fc17.x86_64 1/6\n" " Installing : apr-util-1.4.1-2.fc17.x86_64 2/6\n" " Installing : apr-util-ldap-1.4.1-2.fc17.x86_64 3/6\n" " Installing : httpd-tools-2.2.22-3.fc17.x86_64 4/6\n" " Installing : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Installing : wget-1.13.4-2.fc17.x86_64 6/6\n" " Verifying : apr-util-ldap-1.4.1-2.fc17.x86_64 1/6\n" " Verifying : httpd-tools-2.2.22-3.fc17.x86_64 2/6\n" " Verifying : apr-util-1.4.1-2.fc17.x86_64 3/6\n" " Verifying : apr-1.4.6-1.fc17.x86_64 4/6\n" " Verifying : httpd-2.2.22-3.fc17.x86_64 5/6\n" " Verifying : wget-1.13.4-2.fc17.x86_64 6/6\n" "\n" "Installed:\n" " httpd.x86_64 0:2.2.22-3.fc17 wget.x86_64 0:1.13.4-2.fc17\n" "\n" "Dependency Installed:\n" " apr.x86_64 0:1.4.6-1.fc17 apr-util.x86_64 0:1.4.1-2.fc17\n" " apr-util-ldap.x86_64 0:1.4.1-2.fc17 httpd-tools.x86_64 0:2.2.22-3.fc17\n" "\n" "Complete!" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "准备工作" #. Tag: para #, no-c-format msgid "First we need to create a page for Apache to serve up. On Fedora the default Apache docroot is /var/www/html, so we’ll create an index file there." msgstr "首先我们为Apache创建一个主页。在Fedora上面默认的Apache docroot是/var/www/html，所以我们在这个目录下面建立一个主页。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" "END" msgstr "" "\n" "[root@pcmk-1 ~]# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-1</body>\n" " </html>\n" " END\n" "[root@pcmk-1 ~]#\n" #. Tag: para #, no-c-format msgid "For the moment, we will simplify things by serving up only a static site and manually sync the data between the two nodes. So run the command again on pcmk-2." msgstr "为了方便，我们简化所用的页面并人工地在两个节点直接同步数据。所以在pcmk-2上面运行这个命令。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END" msgstr "" "\n" "[root@pcmk-2 ~]# cat <<-END >/var/www/html/index.html\n" " <html>\n" " <body>My Test Site - pcmk-2</body>\n" " </html>\n" " END\n" "[root@pcmk-2 ~]#\n" #. Tag: title #, no-c-format msgid "Enable the Apache status URL" msgstr "开启 Apache status URL" #. Tag: para #, fuzzy, no-c-format msgid "In order to monitor the health of your Apache instance, and recover it if it fails, the resource agent used by Pacemaker assumes the server-status URL is available. Look for the following in /etc/httpd/conf/httpd.conf and make sure it is not disabled or commented out:" msgstr "为了监控Apache实例的健康状态,并在它挂掉的时候恢复Apache服务，资源agent会假设 server-status URL是可用的。查看/etc/httpd/conf/httpd.conf并确保下面的选项没有被禁用或注释掉。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>" msgstr "" "\n" "<Location /server-status>\n" " SetHandler server-status\n" " Order deny,allow\n" " Deny from all\n" " Allow from 127.0.0.1\n" "</Location>\n" "\t " #. Tag: title #, no-c-format msgid "Update the Configuration" msgstr "更新配置文件" #. Tag: para #, fuzzy, no-c-format msgid "At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2 , the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running." msgstr "现在 ，Apache已经可以添加到集群中了。我们管这个资源叫WebSite。我们需要用一个叫做apache的OCF脚本，这个脚本在heartbeat这个名字空间里，唯一一个需要设定的参数就是Apache的主配置文件路径，并且我们告诉集群每一分钟检测一次Apache是否运行。" #. Tag: screen #, no-c-format msgid "" "pcs resource create WebSite ocf:heartbeat:apache \\\n" " configfile=/etc/httpd/conf/httpd.conf \\\n" " statusurl=\"http://localhost/server-status\" op monitor interval=1min" msgstr "" #. Tag: para #, no-c-format msgid "By default, the operation timeout for all resource’s start, stop, and monitor operations is 20 seconds. In many cases this timeout period is less than the advised timeout period. For the purposes of this tutorial, we will adjust the global operation timeout default to 240 seconds." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs resource op defaults timeout=240s\n" "# pcs resource op defaults\n" "timeout: 240s" msgstr "" #. Tag: para #, no-c-format msgid "After a short delay, we should see the cluster start apache" msgstr "过了一会，我们可以看到集群把apache启动起来了。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 10:51:27 2012\n" "Last change: Fri Sep 14 10:50:46 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 16:12:49 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "2 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #. Tag: para #, no-c-format msgid "Wait a moment, the WebSite resource isn’t running on the same host as our IP address!" msgstr "等等！WebSite这个资源跟IP没有跑在同一个节点上面！" #. Tag: para #, no-c-format msgid "If, in the pcs status output, you see the WebSite resource has failed to start, then you’ve likely not enabled the status URL correctly. You can check if this is the problem by running:" msgstr "" #. Tag: literallayout #, no-c-format msgid "wget http://127.0.0.1/server-status" msgstr "" #. Tag: para #, no-c-format msgid "If you see Connection refused in the output, then this is indeed the problem. Check to ensure that Allow from 127.0.0.1 is present for the <Location /server-status> block." msgstr "" #. Tag: title #, no-c-format msgid "Ensuring Resources Run on the Same Host" msgstr "确保资源在同一个节点运行" #. Tag: para #, fuzzy, no-c-format msgid "To reduce the load on any one machine, Pacemaker will generally try to spread the configured resources across the cluster nodes. However we can tell the cluster that two resources are related and need to run on the same host (or not at all). Here we instruct the cluster that WebSite can only run on the host that ClusterIP is active on." msgstr "为了减少每个机器的负载，Pacemaker会智能地尝试将资源分散到各个节点上面。 然而我们可以告诉集群某两个资源是有联系并且要在同一个节点运行(或不同的节点运行)。这里我们告诉集群WebSite只能在有ClusterIP的节点上运行。如果ClusterIP在哪个节点都不存在，那么WebSite也不能运行。" #. Tag: para #, no-c-format msgid "To achieve this we use a colocation constraint that indicates it is mandatory for WebSite to run on the same node as ClusterIP. The \"mandatory\" part of the colocation constraint is indicated by using a score of INFINITY. The INFINITY score also means that if ClusterIP is not active anywhere, WebSite will not be permitted to run." msgstr "" #. Tag: para #, no-c-format msgid "If ClusterIP is not active anywhere, WebSite will not be permitted to run anywhere." msgstr "" #. Tag: para #, no-c-format msgid "Colocation constraints are \"directional\", in that they imply certain things about the order in which the two resources will have a location chosen. In this case we’re saying WebSite needs to be placed on the same machine as ClusterIP, this implies that we must know the location of ClusterIP before choosing a location for WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint colocation add WebSite ClusterIP INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:00:44 2012\n" "Last change: Fri Sep 14 11:00:25 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: title #, no-c-format msgid "Controlling Resource Start/Stop Ordering" msgstr "控制资源的启动停止顺序" #. Tag: para #, fuzzy, no-c-format msgid "When Apache starts, it binds to the available IP addresses. It doesn’t know about any addresses we add afterwards, so not only do they need to run on the same node, but we need to make sure ClusterIP is already active before we start WebSite. We do this by adding an ordering constraint." msgstr "当Apache启动了，它跟可用的IP绑在了一起。它不会知道我们后来添加的IP，所以我们不仅需要控制他们在相同的节点运行，也要确保ClusterIP在WebSite之前就启动了。我们用添加ordering约束来达到这个效果。我们需要给这个order取个名字(apache-after-ip之类 描述性的)，并指出他是托管的(这样当ClusterIP恢复了，同时会触发WebSite的恢复) 并且写明了这两个资源的启动顺序。" #. Tag: para #, no-c-format msgid "By default all order constraints are mandatory constraints unless otherwise configured. This means that the recovery of ClusterIP will also trigger the recovery of WebSite." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint order ClusterIP then WebSite\n" "Adding ClusterIP WebSite (kind: Mandatory) (Options: first-action=start then-action=start)\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: title #, no-c-format msgid "Specifying a Preferred Location" msgstr "指定优先的 Location" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker does not rely on any sort of hardware symmetry between nodes, so it may well be that one machine is more powerful than the other. In such cases it makes sense to host the resources there if it is available. To do this we create a location constraint." msgstr "Pacemaker 并不要求你机器的硬件配置是相同的，可能某些机器比另外的机器配置要好。这种状况下我们会希望设置:当某个节点可用时，资源就要跑在上面之类的规则。为了达到这个效果我们创建location约束。同样的，我们给他取一个描述性的名字(prefer-pcmk-1)，指明我们想在上面跑WebSite这个服务，多想在上面跑(我们现在指定分值为50，但是在双节点的集群状态下，任何大于0的值都可以达到想要的效果)，以及目标节点的名字:" #. Tag: para #, no-c-format msgid "In the location constraint below, we are saying the WebSite resource prefers the node pcmk-1 with a score of 50. The score here indicates how badly we’d like the resource to run somewhere." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=50\n" "# pcs constraint\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:50)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" "# pcs status\n" "Last updated: Fri Sep 14 11:06:37 2012\n" "Last change: Fri Sep 14 11:06:26 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "Wait a minute, the resources are still on pcmk-2!" msgstr "等等，资源还是在pcmk-2上面跑的！" #. Tag: para #, no-c-format msgid "Even though we now prefer pcmk-1 over pcmk-2, that preference is (intentionally) less than the resource stickiness (how much we preferred not to have unnecessary downtime)." msgstr "即使我们更希望资源在pcmk-1上面运行，但是 这个优先值还是比资源黏性值要小。" #. Tag: para #, fuzzy, no-c-format msgid "To see the current placement scores, you can use a tool called crm_simulate" msgstr "如果要看现在的分值，可以用ptest这个命令" #. Tag: programlisting #, no-c-format msgid "" "# crm_simulate -sL\n" "Current cluster status:\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" " ClusterIP (ocf:heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf:heartbeat:apache): Started pcmk-2\n" "\n" "Allocation scores:\n" "native_color: ClusterIP allocation score on pcmk-1: 50\n" "native_color: ClusterIP allocation score on pcmk-2: 200\n" "native_color: WebSite allocation score on pcmk-1: -INFINITY\n" "native_color: WebSite allocation score on pcmk-2: 100\n" "\n" "Transition Summary:" msgstr "" #. Tag: title #, no-c-format msgid "Manually Moving Resources Around the Cluster" msgstr "在集群中手工地移动资源" #. Tag: para #, fuzzy, no-c-format msgid "There are always times when an administrator needs to override the cluster and force resources to move to a specific location. By updating our previous location constraint with a score of INFINITY, WebSite will be forced to move to pcmk-1." msgstr "经常性的会有管理员想要无视集群然后强制把资源移动到指定的地方。 底层的操作就像我们上面创建的location约束一样。只要提供资源和目标地址，我们会补全剩余部分。" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint location WebSite prefers pcmk-1=INFINITY\n" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:16:26 2012\n" "Last change: Fri Sep 14 11:16:18 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" #. Tag: title #, no-c-format msgid "Giving Control Back to the Cluster" msgstr "把控制权交还给集群" #. Tag: para #, no-c-format msgid "Once we’ve finished whatever activity that required us to move the resources to pcmk-1, in our case nothing, we can then allow the cluster to resume normal operation with the unmove command. Since we previously configured a default stickiness, the resources will remain on pcmk-1." msgstr "当我们完成那些要求要资源移动到pcmk-1的操作－－在我们的例子里面啥都没干 －－我们可以用unmove命令把集群恢复到强制移动前的状态。因为我们之前配置了默认的资源黏性值，恢复了以后资源还是会在pcmk-1上面。" #. Tag: programlisting #, no-c-format msgid "" "# pcs constraint all\n" "Location Constraints:\n" " Resource: WebSite\n" " Enabled on: pcmk-1 (score:INFINITY) (id:location-WebSite-pcmk-1-INFINITY)\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite (Mandatory) (id:order-ClusterIP-WebSite-mandatory)\n" "Colocation Constraints:\n" " WebSite with ClusterIP (INFINITY) (id:colocation-WebSite-ClusterIP-INFINITY)\n" "# pcs constraint rm location-WebSite-pcmk-1-INFINITY\n" "# pcs constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" "Colocation Constraints:\n" " WebSite with ClusterIP" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Note that the constraint is now gone. If we check the cluster status, we can also see that as expected the resources are still active on pcmk-1." msgstr "可以看到自动生成的约束已经没有了。如果我们查看集群的状态，我们也可以看到就如我们所预期的，资源还是在pcmk-1上面跑" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs status\n" "\n" "Last updated: Fri Sep 14 11:57:12 2012\n" "Last change: Fri Sep 14 11:57:03 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "2 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Fri Aug 28 16:12:49 2009\n" "Stack: openais\n" "Current DC: pcmk-2 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "2 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ msgid "Before continuing, we need to make sure Apache is installed on both hosts." #~ msgstr "在继续之前，我们先确保两个节点都安装了Apache." #~ msgid "" #~ "\n" #~ "[root@ppcmk-1 ~]# yum install -y httpd\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "--> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=======================================================================================\n" #~ " Package               Arch             Version                Repository         Size\n" #~ "=======================================================================================\n" #~ "Installing:\n" #~ " httpd               x86_64           2.2.13-2.fc12            rawhide           735 k\n" #~ "Installing for dependencies:\n" #~ " apr                 x86_64           1.3.9-2.fc12             rawhide           117 k\n" #~ " apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k\n" #~ " apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k\n" #~ " httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k\n" #~ " mailcap             noarch           2.1.30-1.fc12            rawhide            25 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=======================================================================================\n" #~ "Install       6 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 1.0 M\n" #~ "Downloading Packages:\n" #~ "(1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     \n" #~ "(2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     \n" #~ "(3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     \n" #~ "(4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     \n" #~ "(5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     \n" #~ "(6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total                                                       875 kB/s | 1.0 MB     00:01     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6 \n" #~ "  Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6 \n" #~ "  Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6 \n" #~ "  Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6 \n" #~ "  Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6 \n" #~ "  Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 \n" #~ "\n" #~ "Installed:\n" #~ "  httpd.x86_64 0:2.2.13-2.fc12                                                         \n" #~ "\n" #~ "Dependency Installed:\n" #~ "  apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12\n" #~ "  apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12\n" #~ "  mailcap.noarch 0:2.1.30-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@ppcmk-1 ~]# yum install -y httpd\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package httpd.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "--> Processing Dependency: httpd-tools = 2.2.13-2.fc12 for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: apr-util-ldap for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: /etc/mime.types for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libaprutil-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Processing Dependency: libapr-1.so.0()(64bit) for package: httpd-2.2.13-2.fc12.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package apr.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package apr-util-ldap.x86_64 0:1.3.9-2.fc12 set to be updated\n" #~ "---> Package httpd-tools.x86_64 0:2.2.13-2.fc12 set to be updated\n" #~ "---> Package mailcap.noarch 0:2.1.30-1.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "=======================================================================================\n" #~ " Package               Arch             Version                Repository         Size\n" #~ "=======================================================================================\n" #~ "Installing:\n" #~ " httpd               x86_64           2.2.13-2.fc12            rawhide           735 k\n" #~ "Installing for dependencies:\n" #~ " apr                 x86_64           1.3.9-2.fc12             rawhide           117 k\n" #~ " apr-util            x86_64           1.3.9-2.fc12             rawhide            84 k\n" #~ " apr-util-ldap       x86_64           1.3.9-2.fc12             rawhide            15 k\n" #~ " httpd-tools         x86_64           2.2.13-2.fc12            rawhide            63 k\n" #~ " mailcap             noarch           2.1.30-1.fc12            rawhide            25 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=======================================================================================\n" #~ "Install       6 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 1.0 M\n" #~ "Downloading Packages:\n" #~ "(1/6): apr-1.3.9-2.fc12.x86_64.rpm                                   | 117 kB     00:00     \n" #~ "(2/6): apr-util-1.3.9-2.fc12.x86_64.rpm                             |  84 kB     00:00     \n" #~ "(3/6): apr-util-ldap-1.3.9-2.fc12.x86_64.rpm                         |  15 kB     00:00     \n" #~ "(4/6): httpd-2.2.13-2.fc12.x86_64.rpm                               | 735 kB     00:00     \n" #~ "(5/6): httpd-tools-2.2.13-2.fc12.x86_64.rpm                         |  63 kB     00:00     \n" #~ "(6/6): mailcap-2.1.30-1.fc12.noarch.rpm                             |  25 kB     00:00     \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total                                                       875 kB/s | 1.0 MB     00:01     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : apr-1.3.9-2.fc12.x86_64                                         1/6 \n" #~ "  Installing     : apr-util-1.3.9-2.fc12.x86_64                                     2/6 \n" #~ "  Installing     : apr-util-ldap-1.3.9-2.fc12.x86_64                               3/6 \n" #~ "  Installing     : httpd-tools-2.2.13-2.fc12.x86_64                                 4/6 \n" #~ "  Installing     : mailcap-2.1.30-1.fc12.noarch                                     5/6 \n" #~ "  Installing     : httpd-2.2.13-2.fc12.x86_64                                       6/6 \n" #~ "\n" #~ "Installed:\n" #~ "  httpd.x86_64 0:2.2.13-2.fc12                                                         \n" #~ "\n" #~ "Dependency Installed:\n" #~ "  apr.x86_64 0:1.3.9-2.fc12            apr-util.x86_64 0:1.3.9-2.fc12\n" #~ "  apr-util-ldap.x86_64 0:1.3.9-2.fc12  httpd-tools.x86_64 0:2.2.13-2.fc12\n" #~ "  mailcap.noarch 0:2.1.30-1.fc12  \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y wget\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package        Arch             Version                      Repository               Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " wget         x86_64          1.11.4-5.fc12                   rawhide                393 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       1 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 393 k\n" #~ "Downloading Packages:\n" #~ "wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 \n" #~ "\n" #~ "Installed:\n" #~ "  wget.x86_64 0:1.11.4-5.fc12\n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# yum install -y wget\n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package wget.x86_64 0:1.11.4-5.fc12 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ "===========================================================================================\n" #~ " Package        Arch             Version                      Repository               Size\n" #~ "===========================================================================================\n" #~ "Installing:\n" #~ " wget         x86_64          1.11.4-5.fc12                   rawhide                393 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "===========================================================================================\n" #~ "Install       1 Package(s)\n" #~ "Upgrade       0 Package(s)\n" #~ "\n" #~ "Total download size: 393 k\n" #~ "Downloading Packages:\n" #~ "wget-1.11.4-5.fc12.x86_64.rpm                                            | 393 kB     00:00     \n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Finished Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ "  Installing     : wget-1.11.4-5.fc12.x86_64                                            1/1 \n" #~ "\n" #~ "Installed:\n" #~ "  wget.x86_64 0:1.11.4-5.fc12\n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ " op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure primitive WebSite ocf:heartbeat:apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=1min\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ " op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:14:34 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure colocation website-with-ip INFINITY: WebSite ClusterIP\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:14:34 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure order apache-after-ip mandatory: ClusterIP WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:17:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:17:35 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-2\n" #~ msgid "ptest -sL" #~ msgstr "ptest -sL" #~ msgid "Include output" #~ msgstr "Include output" #~ msgid "There is a way to force them to move though..." #~ msgstr "这里有个办法强制地移动资源" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource move WebSite pcmk-1\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:19:24 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1.\n" #~ "For the curious, we can see the effect of this command by examining the configuration\n" #~ "crm configure show\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location cli-prefer-WebSite WebSite \\\n" #~ " rule $id=\"cli-prefer-rule-WebSite\" inf: #uname eq pcmk-1\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource move WebSite pcmk-1\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:19:24 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Notice how the colocation rule we created has ensured that ClusterIP was also moved to pcmk-1.\n" #~ "For the curious, we can see the effect of this command by examining the configuration\n" #~ "crm configure show\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location cli-prefer-WebSite WebSite \\\n" #~ " rule $id=\"cli-prefer-rule-WebSite\" inf: #uname eq pcmk-1\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "Highlighted is the automated constraint used to move the resources to pcmk-1" #~ msgstr "斜体部分是用来移动资源到pcmk-1约束，它是自动生成的。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource unmove WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm resource unmove WebSite\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=\"2\" \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=\"100\"\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:20:53 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ " ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ " WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Fri Aug 28 16:20:53 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-2 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "2 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ " ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ " WebSite        (ocf::heartbeat:apache):        Started pcmk-1\n" #~ msgid "At this point, Apache is ready to go, all that needs to be done is to add it to the cluster. Lets call the resource WebSite. We need to use an OCF script called apache in the heartbeat namespace" #~ msgstr "现在 ，Apache已经可以添加到集群中了。我们管这个资源叫WebSite。我们需要用一个叫做apache的OCF脚本" #~ msgid "Compare the key used here ocf:heartbeat:apache with the one we used earlier for the IP address: ocf:heartbeat:IPaddr2" #~ msgstr "把我现在所用的关键字ocf:heartbeat:apache 跟之前IP地址所用的比较一下: ocf:heartbeat:IPaddr2" #~ msgid ", the only required parameter is the path to the main Apache configuration file and we’ll tell the cluster to check once a minute that apache is still running." #~ msgstr "，这个脚本在heartbeat这个名字空间里，唯一一个需要设定的参数就是Apache的主配置文件路径，并且我们告诉集群每一分钟检测一次apache是否运行。" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Installation.mo000066400000000000000000002115301217637305600256230ustar00rootroot00000000000000x( )  Q T:v# %N 2o2C33}4yd667g78="@"ccfgg]Qimi(kFlrZlnNUop2q Pq^q8sq:q%q r,sCst)t u+=u0iu*u,u#u*v Avbv+v'v vv1w%Gwmw&w0w7wHxGdxcx?yNPyFy y'zQ/z'z$zcz2{)F{dp{Y{/|}}:~jW~ ~&~~q>0aCY9ZQMC4bPӉىpM[\NLU$m!=0_g~|ZVh Q'TyvΫ EN_'y7"a^ 9n 9GSZ}D,[q %? $`0J{$<[{!5Wt# )480Si(93 Tr9Z [)hTN6]nZ'!OuU7-S(1F DY M   s W   >! ` g jz M H36|'y@Bd@=~~ZAW&6YnPI4GN( OwhS\1)$`j9/KeRUt;s M v,DB3>LaX o:.5E7qp^Zki2!? H'-u+#lr8cm=x%fg<[CJ*F _0]Vb"@dTQ grep pcmk /etc/hosts [root@pcmk-1 ~]# grep pcmk /etc/hosts 192.168.122.101 pcmk-1.clusterlabs.org pcmk-1 192.168.122.102 pcmk-2.clusterlabs.org pcmk-2 ping -c 3 192.168.122.102 [root@pcmk-1 ~]# ping -c 3 192.168.122.102 PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data. 64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms 64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms 64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms --- 192.168.122.102 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms ping -c 3 pcmk-2 [root@pcmk-1 ~]# ping -c 3 pcmk-2 PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data. 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms --- pcmk-2.clusterlabs.org ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2001ms rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms ========================================================================================== Package Arch Version Repository Size ========================================================================================== Installing: corosync x86_64 1.2.1-1.fc13 fedora 136 k pacemaker x86_64 1.1.1-1.fc13 fedora 543 k Installing for dependencies: OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k PyXML x86_64 0.8.4-17.fc13 fedora 906 k cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k corosynclib x86_64 1.2.1-1.fc13 fedora 145 k heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k libesmtp x86_64 1.0.4-12.fc12 fedora 54 k libibverbs x86_64 1.1.3-4.fc13 fedora 42 k libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k libnet x86_64 1.1.4-3.fc12 fedora 49 k librdmacm x86_64 1.0.10-2.fc13 fedora 22 k lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k net-snmp x86_64 1:5.5-12.fc13 fedora 295 k net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k pacemaker-libs x86_64 1.1.1-1.fc13 fedora 264 k perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k resource-agents x86_64 3.0.10-1.fc13 fedora 357 k Transaction Summary ========================================================================================= Install 21 Package(s) Upgrade 0 Package(s) Total download size: 5.7 M Installed size: 20 M Downloading Packages: Setting up and reading Presto delta metadata updates-testing/prestodelta | 164 kB 00:00 fedora/prestodelta | 150 B 00:00 Processing delta metadata Package(s) data still to download: 5.7 M (1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 (2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 (3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 (4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 (5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 (6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 (7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 (8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 (9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 (10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 (11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 (12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 (13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 (14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 (15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 (16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 (17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 (18/21): pacemaker-1.1.1-1.fc13.x86_64.rpm | 543 kB 00:00 (19/21): pacemaker-libs-1.1.1-1.fc13.x86_64.rpm | 264 kB 00:00 (20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 (21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 ---------------------------------------------------------------------------------------- Total 539 kB/s | 5.7 MB 00:10 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY fedora/gpgkey | 3.2 kB 00:00 ... Importing GPG key 0xE8E40FDE "Fedora (13) <fedora@fedoraproject.org%gt;" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64 May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync "getattr" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1 May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync "getattr" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 Installing : corosync-1.2.1-1.fc13.x86_64 8/21 Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 Installing : libnet-1.1.4-3.fc12.x86_64 13/21 Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 Installing : pacemaker-1.1.1-1.fc13.x86_64 20/21 Installing : pacemaker-libs-1.1.1-1.fc13.x86_64 21/21 Installed: corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.1-1.fc13 Dependency Installed: OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 PyXML.x86_64 0:0.8.4-17.fc13 cluster-glue.x86_64 0:1.0.2-1.fc13 cluster-glue-libs.x86_64 0:1.0.2-1.fc13 corosynclib.x86_64 0:1.2.1-1.fc13 heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 libesmtp.x86_64 0:1.0.4-12.fc12 libibverbs.x86_64 0:1.1.3-4.fc13 libmlx4.x86_64 0:1.0.1-5.fc13 libnet.x86_64 0:1.1.4-3.fc12 librdmacm.x86_64 0:1.0.10-2.fc13 lm_sensors-libs.x86_64 0:3.1.2-2.fc13 net-snmp.x86_64 1:5.5-12.fc13 net-snmp-libs.x86_64 1:5.5-12.fc13 openhpi-libs.x86_64 0:2.14.1-3.fc13 pacemaker-libs.x86_64 0:1.1.1-1.fc13 perl-TimeDate.noarch 1:1.20-1.fc13 resource-agents.x86_64 0:3.0.10-1.fc13 Complete! [root@pcmk-1 ~]# [beekhof@pcmk-1 ~]$ su - Password: [root@pcmk-1 ~]# [root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk service { # Load the Pacemaker Cluster Resource Manager name: pacemaker ver: 0 } END [root@pcmk-1 ~]# cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1.clusterlabs.org GATEWAY=192.168.122.1 [root@pcmk-1 ~]# cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1 GATEWAY=192.168.122.1 [root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*mcastaddr:.*/mcastaddr:\ $ais_mcast/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*mcastport:.*/mcastport:\ $ais_port/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*bindnetaddr:.*/bindnetaddr:\ $ais_addr/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# env | grep ais_ ais_mcast=226.94.1.1 ais_port=4000 ais_addr=192.168.122.0 [root@pcmk-1 ~]# export ais_port=4000 [root@pcmk-1 ~]# export ais_mcast=226.94.1.1 [root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done corosync.conf 100% 1528 1.5KB/s 00:00 hosts 100% 281 0.3KB/s 00:00 [root@pcmk-1 ~]# [root@pcmk-1 ~]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0 inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic valid_lft 2591667sec preferred_lft 604467sec inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic valid_lft 2591990sec preferred_lft 604790sec inet6 fe80::20c:29ff:fe6f:e158/64 scope link valid_lft forever preferred_lft forever [root@pcmk-1 ~]# ping -c 1 www.google.com PING www.l.google.com (74.125.39.99) 56(84) bytes of data. 64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms --- www.l.google.com ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 20ms rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms [root@pcmk-1 ~]# /sbin/chkconfig network on [root@pcmk-1 ~]# [root@pcmk-1 ~]# scp -r .ssh pcmk-2: The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established. RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts. root@pcmk-2's password: id_dsa.pub 100% 616 0.6KB/s 00:00 id_dsa 100% 672 0.7KB/s 00:00 known_hosts 100% 400 0.4KB/s 00:00 authorized_keys 100% 616 0.6KB/s 00:00 [root@pcmk-1 ~]# ssh pcmk-2 -- uname -n pcmk-2 [root@pcmk-1 ~]# [root@pcmk-1 ~]# sed -i.bak "s/enabled=0/enabled=1/g" /etc/yum.repos.d/fedora.repo [root@pcmk-1 ~]# sed -i.bak "s/enabled=0/enabled=1/g" /etc/yum.repos.d/fedora-updates.repo [root@pcmk-1 ~]# yum install -y pacemaker corosync Loaded plugins: presto, refresh-packagekit fedora/metalink | 22 kB 00:00 fedora-debuginfo/metalink | 16 kB 00:00 fedora-debuginfo | 3.2 kB 00:00 fedora-debuginfo/primary_db | 1.4 MB 00:04 fedora-source/metalink | 22 kB 00:00 fedora-source | 3.2 kB 00:00 fedora-source/primary_db | 3.0 MB 00:05 updates/metalink | 26 kB 00:00 updates | 2.6 kB 00:00 updates/primary_db | 1.1 kB 00:00 updates-debuginfo/metalink | 18 kB 00:00 updates-debuginfo | 2.6 kB 00:00 updates-debuginfo/primary_db | 1.1 kB 00:00 updates-source/metalink | 25 kB 00:00 updates-source | 2.6 kB 00:00 updates-source/primary_db | 1.1 kB 00:00 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated --> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 ---> Package pacemaker.x86_64 0:1.1.1-1.fc13 set to be updated --> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: resource-agents for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: cluster-glue for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Running transaction check ---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated --> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 ---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated ---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated --> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 ---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated --> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 ---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated ---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated ---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated --> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64 ---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated ---> Package pacemaker-libs.x86_64 0:1.1.1-1.fc13 set to be updated ---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated --> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64 --> Running transaction check ---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated ---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated ---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated --> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64 ---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated ---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated ---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated ---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated ---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated --> Running transaction check ---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated --> Finished Dependency Resolution Dependencies Resolved [root@pcmk-1 ~]# source /etc/sysconfig/network [root@pcmk-1 ~]# hostname $HOSTNAME [root@pcmk-1 ~]# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N "" Generating public/private dsa key pair. Your identification has been saved in /root/.ssh/id_dsa. Your public key has been saved in /root/.ssh/id_dsa.pub. The key fingerprint is: 91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org The key's randomart image is: +--[ DSA 1024]----+ |==.ooEo.. | |X O + .o o | | * A + | | + . | | . S | | | | | | | | | +-----------------+ [root@pcmk-1 ~]# cp .ssh/id_dsa.pub .ssh/authorized_keys [root@pcmk-1 ~]# [root@pcmk-1 ~]# uname -n pcmk-1 [root@pcmk-1 ~]# dnsdomainname clusterlabs.org [root@pcmk-1 ~]# uname -n pcmk-1.clusterlabs.org [root@pcmk-1 ~]# dnsdomainname clusterlabs.org [root@pcmk-1 ~]# sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config [root@pcmk-1 ~]# /sbin/chkconfig --del iptables [root@pcmk-1 ~]# service iptables stop iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter [ OK ] iptables: Unloading modules: [ OK ] All we need to do now is strip off the domain name portion, which is stored elsewhere anyway.Assign your machine a host name. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html I happen to control the clusterlabs.org domain name, so I will use that here.Be sure that the values you chose do not conflict with any existing clusters you might have. For advice on choosing a multi-cast address, see http://www.29west.com/docs/THPM/multicast-address-assignment.html Before You ContinueBurn the disk image to a DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html and boot from it. Or use the image to boot a virtual machine as I have done here. After clicking through the welcome screen, select your language and keyboard layout http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html By default, Fedora will give all the space to the / (aka. root) partition. Wel'll take some back so we can use DRBD.Choose a port number and multi-cast http://en.wikipedia.org/wiki/Multicast address. http://en.wikipedia.org/wiki/Multicast_address Click through the next screens until you reach the login window. Click on the user you created and supply the password you indicated earlier.Cluster Software InstallationConfigure SSHConfiguring CorosyncConfirm that you can communicate with the two new nodes:Create a new key and allow anyone with that key to log in:Creating and Activating a new SSH KeyDetailed instructions for installing Fedora are available at http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/ in a number of languages. The abbreviated version is as follows...Display and verify the configuration optionsDo not accept the default network settings. Cluster machines should never obtain an ip address via DHCP. Here I will use the internal addresses for the clusterlab.org network.During installation, we filled in the machine’s fully qualifier domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself:Fedora Installation - Activate NetworkingFedora Installation - BootloaderFedora Installation - Bring up the TerminalFedora Installation - Create Non-privileged UserFedora Installation - Customize NetworkingFedora Installation - Customize PartitioningFedora Installation - Date and TimeFedora Installation - Default PartitioningFedora Installation - First BootFedora Installation - HostnameFedora Installation - Installation CompleteFedora Installation - Installation TypeFedora Installation - InstallingFedora Installation - SoftwareFedora Installation - Specify Network PreferencesFedora Installation - Storage DevicesFedora Installation - WelcomeFedora Installation: Choose a hostnameFedora Installation: Choose an installation typeFedora Installation: Click here to configure networkingFedora Installation: Click the big green button to activate your changesFedora Installation: Create a partition to use (later) for website dataFedora Installation: Creating a non-privileged user, take note of the password, you'll need it soonFedora Installation: Down to business, fire up the command lineFedora Installation: Enable NTP to keep the times on all your nodes consistentFedora Installation: Go grab something to drink, this may take a whileFedora Installation: Good choiceFedora Installation: Software selectionFedora Installation: Specify network settings for your machine, never choose DHCPFedora Installation: Stage 1, completedFedora Installation: Storage DevicesFedora Installation: Unless you have a strong reason not to, accept the default bootloader locationFinalize NetworkingFinally, tell Corosync to start PacemakerFor the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.42.For this document, I have chosen port 4000 and used 226.94.1.1 as the multi-cast address.Go to the terminal window you just opened and switch to the super user (aka. "root") account with the su command. You will need to supply the password you entered earlier during the installation process.However we’re not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update.If you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume.Install the Cluster SoftwareInstall the key on the other nodes and test that you can now run commands remotely, without being promptedInstallationInstalling the SSH Key on Another HostIt is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier.Next choose which software should be installed. Change the selection to Web Server since we plan on using Apache. Don't enable updates yet, we'll do that (and install any extra software we need) later. After you click next, Fedora will begin installing.Next we automatically determine the hosts address. By not using the full address, we make the configuration suitable to be copied to other nodes.Note that the username (the text before the @ symbol) now indicates we’re running as the super user “root”.Now check the machine is using the correct namesNow confirm the change was successful. The revised file contents should look something like this.Now repeat on pcmk-2.Now select where you want Fedora installed. http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive. However I want to reserve some space for DRBD, so I'll check the Review and modify partitioning layout box.Now we need to copy the changes so far to the other node:Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the three machines. Otherwise, you’ll need to add the machines to /etc/hosts . Below are the entries for my cluster nodes:OS InstallationOnce the node reboots, follow the on screen instructions http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html to create a system user and configure the time.Once you’re happy with the chosen values, update the Corosync configurationPoint your browser to http://fedoraproject.org/en/get-fedora-all, locate the Install Media section and download the install DVD that matches your hardware.Propagate the ConfigurationRepeat the Installation steps so that you have 2 Fedora nodes with the cluster software installed.SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N “” option) so that we can perform remote actions without being prompted.Security ShortcutsSet up /etc/hosts entriesSetupShort Node NamesSince version 12, Fedora comes with recent versions of everything you need, so simply fire up the shell and run:TODO: Create an Appendix that deals with (at least) re-enabling the firewall.That was the last screenshot, from here on in we’re going to be working from the terminal.The final configuration should look something like the sample in the appendix.The finalized partition layout should look something like the diagram below.The output from the second command is fine, but we really don’t need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start.To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation. Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world.Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world.Verify Connectivity by HostnameVerify Connectivity by IP addressWe can now verify the setup by again using ping:You will need to reboot for the SELinux changes to take effect. Otherwise you will see something like this when you start corosync:You will then be prompted to indicate the machine’s physical location and to supply a root password. http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-account_configuration.html [root@pcmk-1 ~]# export ais_addr=`ip addr | grep "inet " | tail -n 1 | awk '{print $4}' | sed s/255/0/`[root@pcmk-1 ~]# sed -i.bak 's/\.[a-z].*//g' /etc/sysconfig/networkProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-16 00:16+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit grep pcmk /etc/hosts [root@pcmk-1 ~]# grep pcmk /etc/hosts 192.168.122.101 pcmk-1.clusterlabs.org pcmk-1 192.168.122.102 pcmk-2.clusterlabs.org pcmk-2 ping -c 3 192.168.122.102 [root@pcmk-1 ~]# ping -c 3 192.168.122.102 PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data. 64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms 64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms 64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms --- 192.168.122.102 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2000ms rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms ping -c 3 pcmk-2 [root@pcmk-1 ~]# ping -c 3 pcmk-2 PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data. 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms 64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms --- pcmk-2.clusterlabs.org ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2001ms rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms ========================================================================================== Package Arch Version Repository Size ========================================================================================== Installing: corosync x86_64 1.2.1-1.fc13 fedora 136 k pacemaker x86_64 1.1.1-1.fc13 fedora 543 k Installing for dependencies: OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k PyXML x86_64 0.8.4-17.fc13 fedora 906 k cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k corosynclib x86_64 1.2.1-1.fc13 fedora 145 k heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k libesmtp x86_64 1.0.4-12.fc12 fedora 54 k libibverbs x86_64 1.1.3-4.fc13 fedora 42 k libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k libnet x86_64 1.1.4-3.fc12 fedora 49 k librdmacm x86_64 1.0.10-2.fc13 fedora 22 k lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k net-snmp x86_64 1:5.5-12.fc13 fedora 295 k net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k pacemaker-libs x86_64 1.1.1-1.fc13 fedora 264 k perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k resource-agents x86_64 3.0.10-1.fc13 fedora 357 k Transaction Summary ========================================================================================= Install 21 Package(s) Upgrade 0 Package(s) Total download size: 5.7 M Installed size: 20 M Downloading Packages: Setting up and reading Presto delta metadata updates-testing/prestodelta | 164 kB 00:00 fedora/prestodelta | 150 B 00:00 Processing delta metadata Package(s) data still to download: 5.7 M (1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 (2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 (3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 (4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 (5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 (6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 (7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 (8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 (9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 (10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 (11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 (12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 (13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 (14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 (15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 (16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 (17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 (18/21): pacemaker-1.1.1-1.fc13.x86_64.rpm | 543 kB 00:00 (19/21): pacemaker-libs-1.1.1-1.fc13.x86_64.rpm | 264 kB 00:00 (20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 (21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 ---------------------------------------------------------------------------------------- Total 539 kB/s | 5.7 MB 00:10 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY fedora/gpgkey | 3.2 kB 00:00 ... Importing GPG key 0xE8E40FDE "Fedora (13) <fedora@fedoraproject.org%gt;" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64 May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync "getattr" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1 May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync "getattr" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 Installing : corosync-1.2.1-1.fc13.x86_64 8/21 Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 Installing : libnet-1.1.4-3.fc12.x86_64 13/21 Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 Installing : pacemaker-1.1.1-1.fc13.x86_64 20/21 Installing : pacemaker-libs-1.1.1-1.fc13.x86_64 21/21 Installed: corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.1-1.fc13 Dependency Installed: OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 PyXML.x86_64 0:0.8.4-17.fc13 cluster-glue.x86_64 0:1.0.2-1.fc13 cluster-glue-libs.x86_64 0:1.0.2-1.fc13 corosynclib.x86_64 0:1.2.1-1.fc13 heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 libesmtp.x86_64 0:1.0.4-12.fc12 libibverbs.x86_64 0:1.1.3-4.fc13 libmlx4.x86_64 0:1.0.1-5.fc13 libnet.x86_64 0:1.1.4-3.fc12 librdmacm.x86_64 0:1.0.10-2.fc13 lm_sensors-libs.x86_64 0:3.1.2-2.fc13 net-snmp.x86_64 1:5.5-12.fc13 net-snmp-libs.x86_64 1:5.5-12.fc13 openhpi-libs.x86_64 0:2.14.1-3.fc13 pacemaker-libs.x86_64 0:1.1.1-1.fc13 perl-TimeDate.noarch 1:1.20-1.fc13 resource-agents.x86_64 0:3.0.10-1.fc13 Complete! [root@pcmk-1 ~]# [beekhof@pcmk-1 ~]$ su - Password: [root@pcmk-1 ~]# [root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk service { # Load the Pacemaker Cluster Resource Manager name: pacemaker ver: 0 } END [root@pcmk-1 ~]# cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1.clusterlabs.org GATEWAY=192.168.122.1 [root@pcmk-1 ~]# cat /etc/sysconfig/network NETWORKING=yes HOSTNAME=pcmk-1 GATEWAY=192.168.122.1 [root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*mcastaddr:.*/mcastaddr:\ $ais_mcast/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*mcastport:.*/mcastport:\ $ais_port/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# sed -i.bak "s/.*bindnetaddr:.*/bindnetaddr:\ $ais_addr/g" /etc/corosync/corosync.conf [root@pcmk-1 ~]# env | grep ais_ ais_mcast=226.94.1.1 ais_port=4000 ais_addr=192.168.122.0 [root@pcmk-1 ~]# export ais_port=4000 [root@pcmk-1 ~]# export ais_mcast=226.94.1.1 [root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done corosync.conf 100% 1528 1.5KB/s 00:00 hosts 100% 281 0.3KB/s 00:00 [root@pcmk-1 ~]# [root@pcmk-1 ~]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000 link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0 inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic valid_lft 2591667sec preferred_lft 604467sec inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic valid_lft 2591990sec preferred_lft 604790sec inet6 fe80::20c:29ff:fe6f:e158/64 scope link valid_lft forever preferred_lft forever [root@pcmk-1 ~]# ping -c 1 www.google.com PING www.l.google.com (74.125.39.99) 56(84) bytes of data. 64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms --- www.l.google.com ping statistics --- 1 packets transmitted, 1 received, 0% packet loss, time 20ms rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms [root@pcmk-1 ~]# /sbin/chkconfig network on [root@pcmk-1 ~]# [root@pcmk-1 ~]# scp -r .ssh pcmk-2: The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established. RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a. Are you sure you want to continue connecting (yes/no)? yes Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts. root@pcmk-2's password: id_dsa.pub 100% 616 0.6KB/s 00:00 id_dsa 100% 672 0.7KB/s 00:00 known_hosts 100% 400 0.4KB/s 00:00 authorized_keys 100% 616 0.6KB/s 00:00 [root@pcmk-1 ~]# ssh pcmk-2 -- uname -n pcmk-2 [root@pcmk-1 ~]# [root@pcmk-1 ~]# sed -i.bak "s/enabled=0/enabled=1/g" /etc/yum.repos.d/fedora.repo [root@pcmk-1 ~]# sed -i.bak "s/enabled=0/enabled=1/g" /etc/yum.repos.d/fedora-updates.repo [root@pcmk-1 ~]# yum install -y pacemaker corosync Loaded plugins: presto, refresh-packagekit fedora/metalink | 22 kB 00:00 fedora-debuginfo/metalink | 16 kB 00:00 fedora-debuginfo | 3.2 kB 00:00 fedora-debuginfo/primary_db | 1.4 MB 00:04 fedora-source/metalink | 22 kB 00:00 fedora-source | 3.2 kB 00:00 fedora-source/primary_db | 3.0 MB 00:05 updates/metalink | 26 kB 00:00 updates | 2.6 kB 00:00 updates/primary_db | 1.1 kB 00:00 updates-debuginfo/metalink | 18 kB 00:00 updates-debuginfo | 2.6 kB 00:00 updates-debuginfo/primary_db | 1.1 kB 00:00 updates-source/metalink | 25 kB 00:00 updates-source | 2.6 kB 00:00 updates-source/primary_db | 1.1 kB 00:00 Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated --> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 --> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64 ---> Package pacemaker.x86_64 0:1.1.1-1.fc13 set to be updated --> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: resource-agents for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: cluster-glue for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64 --> Running transaction check ---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated --> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 --> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64 ---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated ---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated --> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 --> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64 ---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated --> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 ---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated ---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated ---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated --> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64 ---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated ---> Package pacemaker-libs.x86_64 0:1.1.1-1.fc13 set to be updated ---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated --> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64 --> Running transaction check ---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated ---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated ---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated --> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64 ---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated ---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated ---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated ---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated ---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated --> Running transaction check ---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated --> Finished Dependency Resolution Dependencies Resolved [root@pcmk-1 ~]# source /etc/sysconfig/network [root@pcmk-1 ~]# hostname $HOSTNAME [root@pcmk-1 ~]# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N "" Generating public/private dsa key pair. Your identification has been saved in /root/.ssh/id_dsa. Your public key has been saved in /root/.ssh/id_dsa.pub. The key fingerprint is: 91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org The key's randomart image is: +--[ DSA 1024]----+ |==.ooEo.. | |X O + .o o | | * A + | | + . | | . S | | | | | | | | | +-----------------+ [root@pcmk-1 ~]# cp .ssh/id_dsa.pub .ssh/authorized_keys [root@pcmk-1 ~]# [root@pcmk-1 ~]# uname -n pcmk-1 [root@pcmk-1 ~]# dnsdomainname clusterlabs.org [root@pcmk-1 ~]# uname -n pcmk-1.clusterlabs.org [root@pcmk-1 ~]# dnsdomainname clusterlabs.org [root@pcmk-1 ~]# sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config [root@pcmk-1 ~]# /sbin/chkconfig --del iptables [root@pcmk-1 ~]# service iptables stop iptables: Flushing firewall rules: [ OK ] iptables: Setting chains to policy ACCEPT: filter [ OK ] iptables: Unloading modules: [ OK ] 我们要做的只是要把域名后面的部分去掉。给你的机器取个名字。 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html 我可以使用clusterlabs.org这个域名，所以在这里我用这个域名。请注意你选择的端口和地址不能跟已存在的集群冲突，关于组播地址的选择，可以参考 http://www.29west.com/docs/THPM/multicast-address-assignment.html 写在开始之前烧录一个DVD光盘 http://docs.fedoraproject.org/readme-burning-isos/en-US.html 并从它启动。或者就像我一样启动一个虚拟机。 在点击欢迎界面的NETX后 ，我们要开始选择语言和键盘类型 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html 默认的话，Fedora会将所有的空间都分配给/ (aka. 根)分区。我们要保留一点给DRBD。选择一个组播 http://en.wikipedia.org/wiki/Multicast 端口和地址。 http://en.wikipedia.org/wiki/Multicast_address 点击next会进入登入界面，点击你创建的用户并输入之前设定的密码。集群软件安装配置SSH配置 Corosync确认这两个新节点能够通讯:创建一个密钥并允许所有有这个密钥的用户登入创建并激活一个新的SSH密钥详细的安装手册在http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/。下文是一个简短的版本...显示并检查配置的环境变量是否正确不要使用默认的网络设置，集群永远不会靠DHCP来管理IP，这里我使用clusterslab的内部IP。在安装过程中，我们发现FQDN域名太长了，不利于在日志或状态界面中查看，我们用以下操作来简化机器名:安装Fedora - 激活网络安装Fedora - Bootloader安装Fedora - 打开终端安装Fedora - 创建非特权用户安装Fedora -自定义网络安装Fedora - 自定义分区安装Fedora - 日期和时间安装Fedora - 默认分区安装Fedora - 第一次启动安装Fedora -机器名安装Fedora - 安装完成安装Fedora - 安装类型安装Fedora - 安装中安装Fedora - 软件安装Fedora - 指定网络参数安装Fedora - 存储设备安装Fedora - 欢迎 安装Fedora: 选择一个机器名安装Fedora: 选择安装类型安装Fedora: 点击这里来配置网络安装Fedora:点击绿色按钮来应用你的更改安装Fedora: 创建一个网站存放数据用的分区安装Fedora: 创建非特权用户，请注意密码，一会你要用到它的。安装Fedora:开始干活，打开终端安装Fedora : 启用NTP来保证所有节点时间同步安装Fedora: 去搞点东西喝喝 这要一会儿安装Fedora: 好的选择！安装Fedora: 软件选择安装Fedora: 设定你的网络，永远不要选择DHCP安装Fedora: Stage 1, 完成安装Fedora: 存储设备安装Fedora: 除非有非常强力的理由，不然选择默认的bootloader安装位置设定网络最后，告诉corosync要启动pacemaker在这篇文档中, 另外一个节点叫 pcmk-2 并且IP地址为 192.168.122.42。在这个文档中，我选择端口4000并且用226.94.1.1作为组播地址:打开一个终端,然后使用su命令切换到超级用户(root)。输入之前安装时候设定的密码:然而到这里还没结束，机器还没接受新的配置文件，我们强制它生效。如果你想试验本文档中关于DRBD或者GFS2的部分，你要为每个节点保留至少1Gb的空间。安装集群软件在其他节点安装这个密钥并测试你是否可以执行命令而不用输入密码安装在另一个机器上面安装SSH密钥强烈建议开启NTP时间同步，这样可以使集群更好的同步配置文件以及使日志文件有更好的可读性。然后我们选择应该安装什么软件。因为我们想用Apache，所以选择Web Server。现在不要开启Update源，我们一会操作它。点击下一步，开始安装Fedora。然后我们用下面的命令自动获得机器的地址。为了让配置文件能够在机器上面的各个机器通用，我们不使用完整的IP地址而使用网络地址。（译者注:corosync配置文件中的监听地址一项可以填写网络地址，corosync会自动匹配应该监听在哪个地址而不是0.0.0.0）注意用户名 (@符号左边的字符串) 显示我们现在使用的是root用户.现在我们看看是否按达到我们预期的效果:现在cat一下看看更改是否成功了。现在在pcmk-2上面重复以上操作.如然后你选择想在哪安装Fedora http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html 。 如果你像我一样不在意已存在的数据，就选择默认让Fedora来使用完整的驱动器。然而我想为DRBD保留一些空间，所以我勾选了Review and modify partitioning layout。然后我们把配置文件拷贝到其他节点:现在我们需要确认我们能通过机器名访问这两台机器，如果你有一个DNS服务器，为这两台节点做域名解析。安装操作系统一旦系统重启完毕你可以看到以下界面 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html ，然后配置用户和设定时间。确认以上输出没有错误以后，我们用以下命令来配置corosync在你的浏览器中打开 http://fedoraproject.org/en/get-fedora-all,找到Install Media部分并下载适合你硬件的安装DVD文件。 传送配置文件在另一台Fedora 12机器上面重复以上操作步骤，这样你就有2台安装了集群软件的节点了。SSH 是一个方便又安全来的用来远程传输文件或运行命令 的工具. 在这个文档中, 我们创建ssh key(用 -N “” 选项)来免去登入要输入密码的麻烦。安全提示否则，我们修改/etc/hosts文件来达到相同的效果:安装简化节点名称从Fedora 12开始，你需要的东西都已经准备好了，只需在终端命令行运行以下命令:TODO: Create an Appendix that deals with (at least) re-enabling the firewall.这是最后一个截屏了，剩下的我们都用命令行来操作。最后配置文件应该看起来像下面的样子。完整的分区应该像下面一样。第二个命令的输出是正常的，但是我们真的不需要这么详细的输出，我们更改/etc/sysconfig/network文件来达到简化的目的。为了简化本文档并更好的关注集群方面的问题，我们现在在先禁用防火墙和SELinux。这些操作都会导致重大的安全问题,并不推荐对公网上的集群这样做。不推荐在公网的机器上采用未用密码保护的ssh-key通过机器名检查连接通过IP地址来检查连接现在让我们ping一下:你需要重启来保证SELinux正确关闭。不然你启动corosync的时候将看到以下提示:然后你会被提示选择机器所在地并设定root密码。 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-account_configuration.html [root@pcmk-1 ~]# export ais_addr=`ip addr | grep "inet " | tail -n 1 | awk '{print $4}' | sed s/255/0/`[root@pcmk-1 ~]# sed -i.bak 's/\.[a-z].*//g' /etc/sysconfig/networkpacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Installation.po000066400000000000000000004073771217637305600256460ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:16+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "安装" #. Tag: title #, no-c-format msgid "OS Installation" msgstr "安装操作系统" #. Tag: para #, fuzzy, no-c-format msgid "Detailed instructions for installing Fedora are available at http://docs.fedoraproject.org/en-US/Fedora/17/html/Installation_Guide/ in a number of languages. The abbreviated version is as follows…" msgstr "详细的安装手册在http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/。下文是一个简短的版本..." #. Tag: para #, fuzzy, no-c-format msgid "Point your browser to http://fedoraproject.org/en/get-fedora-all, locate the Install Media section and download the install DVD that matches your hardware." msgstr "在你的浏览器中打开 http://fedoraproject.org/en/get-fedora-all,找到Install Media部分并下载适合你硬件的安装DVD文件。" #. Tag: para #, fuzzy, no-c-format msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/en-US/Fedora/16/html/Burning_ISO_images_to_disc/index.html and boot from it, or use the image to boot a virtual machine." msgstr "给你的机器取个名字。 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html 我可以使用clusterlabs.org这个域名，所以在这里我用这个域名。" #. Tag: para #, no-c-format msgid "After clicking through the welcome screen, select your language, keyboard layout http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-keyboard-x86.html and storage type http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/Storage_Devices-x86.html" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Assign your machine a host name. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-Netconfig-x86.html I happen to control the clusterlabs.org domain name, so I will use that here." msgstr "给你的机器取个名字。 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-networkconfig-fedora.html 我可以使用clusterlabs.org这个域名，所以在这里我用这个域名。" #. Tag: para #, fuzzy, no-c-format msgid "Do not accept the default network settings. Cluster machines should never obtain an IP address via DHCP." msgstr "不要使用默认的网络设置，集群永远不会靠DHCP来管理IP，这里我使用clusterslab的内部IP。" #. Tag: para #, no-c-format msgid "When you are presented with the Configure Network advanced option, select that option before continuing with the installation process to specify a fixed IPv4 address for System eth0. Be sure to also enter the Routes section and add an entry for your default gateway." msgstr "" #. Tag: phrase #, no-c-format msgid "Custom network settings" msgstr "" #. Tag: para #, no-c-format msgid "If you miss this step, this can easily be configured after installation. You will have to navigate to system settings and select network. From there you can select what device to configure." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "You will then be prompted to indicate the machine’s physical location http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-timezone-x86.html and to supply a root password. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/sn-account_configuration-x86.html" msgstr "然后你会被提示选择机器所在地并设定root密码。 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/sn-account_configuration.html " #. Tag: para #, fuzzy, no-c-format msgid "Now select where you want Fedora installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-diskpartsetup-x86.html As I don’t care about any existing data, I will accept the default and allow Fedora to use the complete drive." msgstr "如然后你选择想在哪安装Fedora http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html 。 如果你像我一样不在意已存在的数据，就选择默认让Fedora来使用完整的驱动器。然而我想为DRBD保留一些空间，所以我勾选了Review and modify partitioning layout。" #. Tag: para #, no-c-format msgid "By default Fedora uses LVM for partitioning which allows us to dynamically change the amount of space allocated to a given partition." msgstr "" #. Tag: para #, no-c-format msgid "However, by default it also allocates all free space to the / (aka. root) partition which cannot be dynamically reduced in size (dynamic increases are fine by-the-way)." msgstr "" #. Tag: para #, no-c-format msgid "So if you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume. To do so select the Review and modify partitioning layout checkbox before clicking Next. You will then be given an opportunity to reduce the size of the root partition." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next choose which software should be installed. http://docs.fedoraproject.org/en-US/Fedora/16/html/Installation_Guide/s1-pkgselection-x86.html Change the selection to Minimal so that we see everything that gets installed. Don’t enable updates yet, we’ll do that (and install any extra software we need) later. After you click next, Fedora will begin installing." msgstr "然后我们选择应该安装什么软件。因为我们想用Apache，所以选择Web Server。现在不要开启Update源，我们一会操作它。点击下一步，开始安装Fedora。" #. Tag: para #, fuzzy, no-c-format msgid "Go grab something to drink, this may take a while." msgstr "安装Fedora: 去搞点东西喝喝 这要一会儿" #. Tag: para #, no-c-format msgid "Once the node reboots, you’ll see a (possibly mangled) login prompt on the console. Login using root and the password you created earlier." msgstr "" #. Tag: phrase #, no-c-format msgid "Initial Console" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "From here on in we’re going to be working exclusively from the terminal." msgstr "这是最后一个截屏了，剩下的我们都用命令行来操作。" #. Tag: title #, fuzzy, no-c-format msgid "Post Installation Tasks" msgstr "安装" #. Tag: title #, fuzzy, no-c-format msgid "Networking" msgstr "设定网络" #. Tag: para #, no-c-format msgid "Bring up the network and ensure it starts at boot" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# service network start\n" "# chkconfig network on" msgstr "" #. Tag: para #, no-c-format msgid "Check the machine has the static IP address you configured earlier" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ip addr\n" "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN\n" " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" " inet 127.0.0.1/8 scope host lo\n" " inet6 ::1/128 scope host\n" " valid_lft forever preferred_lft forever\n" "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\n" " link/ether 52:54:00:d7:d6:08 brd ff:ff:ff:ff:ff:ff\n" " inet 192.168.122.101/24 brd 192.168.122.255 scope global eth0\n" " inet6 fe80::5054:ff:fed7:d608/64 scope link\n" " valid_lft forever preferred_lft forever" msgstr "" #. Tag: para #, no-c-format msgid "Now check the default route setting:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "[root@pcmk-1 ~]# ip route\n" "default via 192.168.122.1 dev eth0\n" "192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.101" msgstr "" #. Tag: para #, no-c-format msgid "If there is no line beginning with default via, then you may need to add a line such as" msgstr "" #. Tag: programlisting #, no-c-format msgid "GATEWAY=192.168.122.1" msgstr "" #. Tag: para #, no-c-format msgid "to /etc/sysconfig/network and restart the network." msgstr "" #. Tag: para #, no-c-format msgid "Now check for connectivity to the outside world. Start small by testing if we can read the gateway we configured." msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 1 192.168.122.1\n" "PING 192.168.122.1 (192.168.122.1) 56(84) bytes of data.\n" "64 bytes from 192.168.122.1: icmp_req=1 ttl=64 time=0.249 ms\n" "\n" "--- 192.168.122.1 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 0.249/0.249/0.249/0.000 ms" msgstr "" "\n" "\t ping -c 3 192.168.122.102\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, no-c-format msgid "Now try something external, choose a location you know will be available." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ping -c 1 www.google.com\n" "PING www.l.google.com (173.194.72.106) 56(84) bytes of data.\n" "64 bytes from tf-in-f106.1e100.net (173.194.72.106): icmp_req=1 ttl=41 time=167 ms\n" "\n" "--- www.l.google.com ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 167.618/167.618/167.618/0.000 ms" msgstr "" #. Tag: title #, no-c-format msgid "Leaving the Console" msgstr "" #. Tag: para #, no-c-format msgid "The console isn’t a very friendly place to work from, we will now switch to accessing the machine remotely via SSH where we can use copy&paste etc." msgstr "" #. Tag: para #, no-c-format msgid "First we check we can see the newly installed at all:" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "beekhof@f16 ~ # ping -c 1 192.168.122.101\n" "PING 192.168.122.101 (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from 192.168.122.101: icmp_req=1 ttl=64 time=1.01 ms\n" "\n" "--- 192.168.122.101 ping statistics ---\n" "1 packets transmitted, 1 received, 0% packet loss, time 0ms\n" "rtt min/avg/max/mdev = 1.012/1.012/1.012/0.000 ms" msgstr "" "\n" "\t ping -c 3 192.168.122.102\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, no-c-format msgid "Next we login via SSH" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "beekhof@f16 ~ # ssh -l root 192.168.122.11\n" "root@192.168.122.11's password:\n" "Last login: Fri Mar 30 19:41:19 2012 from 192.168.122.1\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: title #, no-c-format msgid "Security Shortcuts" msgstr "安全提示" #. Tag: para #, fuzzy, no-c-format msgid "To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation." msgstr "为了简化本文档并更好的关注集群方面的问题，我们现在在先禁用防火墙和SELinux。这些操作都会导致重大的安全问题,并不推荐对公网上的集群这样做。" #. Tag: para #, fuzzy, no-c-format msgid "Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world." msgstr "为了简化本文档并更好的关注集群方面的问题，我们现在在先禁用防火墙和SELinux。这些操作都会导致重大的安全问题,并不推荐对公网上的集群这样做。" #. Tag: literallayout #, no-c-format msgid "TODO: Create an Appendix that deals with (at least) re-enabling the firewall." msgstr "TODO: Create an Appendix that deals with (at least) re-enabling the firewall." #. Tag: programlisting #, no-c-format msgid "" "# setenforce 0\n" "# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" "# systemctl disable iptables.service\n" "# rm '/etc/systemd/system/basic.target.wants/iptables.service'\n" "# systemctl stop iptables.service" msgstr "" #. Tag: title #, no-c-format msgid "Short Node Names" msgstr "简化节点名称" #. Tag: para #, fuzzy, no-c-format msgid "During installation, we filled in the machine’s fully qualifier domain name (FQDN) which can be rather long when it appears in cluster logs and status output. See for yourself how the machine identifies itself: Nodesshort name short name " msgstr "在安装过程中，我们发现FQDN域名太长了，不利于在日志或状态界面中查看，我们用以下操作来简化机器名:" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1.clusterlabs.org\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Query) Domain name (Query) " msgstr "" #. Tag: para #, no-c-format msgid "The output from the second command is fine, but we really don’t need the domain name included in the basic host details. To address this, we need to update /etc/sysconfig/network. This is what it should look like before we start." msgstr "第二个命令的输出是正常的，但是我们真的不需要这么详细的输出，我们更改/etc/sysconfig/network文件来达到简化的目的。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1" msgstr "" "\n" "[root@pcmk-1 ~]# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1.clusterlabs.org\n" "GATEWAY=192.168.122.1\n" " " #. Tag: para #, no-c-format msgid "All we need to do now is strip off the domain name portion, which is stored elsewhere anyway." msgstr "我们要做的只是要把域名后面的部分去掉。" #. Tag: programlisting #, fuzzy, no-c-format msgid " # sed -i.sed 's/\\.[a-z].*//g' /etc/sysconfig/network" msgstr "[root@pcmk-1 ~]# sed -i.bak 's/\\.[a-z].*//g' /etc/sysconfig/network" #. Tag: para #, no-c-format msgid "Now confirm the change was successful. The revised file contents should look something like this." msgstr "现在cat一下看看更改是否成功了。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1" msgstr "" "\n" "[root@pcmk-1 ~]# cat /etc/sysconfig/network\n" "NETWORKING=yes\n" "HOSTNAME=pcmk-1\n" "GATEWAY=192.168.122.1\n" " " #. Tag: para #, no-c-format msgid "However we’re not finished. The machine wont normally see the shortened host name until about it reboots, but we can force it to update." msgstr "然而到这里还没结束，机器还没接受新的配置文件，我们强制它生效。" #. Tag: programlisting #, no-c-format msgid "" "# source /etc/sysconfig/network\n" "# hostname $HOSTNAME" msgstr "" #. Tag: para #, no-c-format msgid " NodesDomain name (Remove from host name) Domain name (Remove from host name) " msgstr "" #. Tag: para #, no-c-format msgid "Now check the machine is using the correct names" msgstr "现在我们看看是否按达到我们预期的效果:" #. Tag: programlisting #, no-c-format msgid "" "# uname -n\n" "pcmk-1\n" "# dnsdomainname\n" "clusterlabs.org" msgstr "" #. Tag: title #, no-c-format msgid "NTP" msgstr "" #. Tag: para #, no-c-format msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier. http://docs.fedoraproject.org/en-US/Fedora/17/html-single/System_Administrators_Guide/index.html#ch-Configuring_the_Date_and_Time" msgstr "" #. Tag: title #, no-c-format msgid "Before You Continue" msgstr "写在开始之前" #. Tag: para #, fuzzy, no-c-format msgid "Repeat the Installation steps so far, so that you have two Fedora nodes ready to have the cluster software installed." msgstr "在另一台Fedora 12机器上面重复以上操作步骤，这样你就有2台安装了集群软件的节点了。" #. Tag: para #, fuzzy, no-c-format msgid "For the purposes of this document, the additional node is called pcmk-2 with address 192.168.122.102." msgstr "在这篇文档中, 另外一个节点叫 pcmk-2 并且IP地址为 192.168.122.42。" #. Tag: title #, no-c-format msgid "Finalize Networking" msgstr "设定网络" #. Tag: para #, fuzzy, no-c-format msgid "Confirm that you can communicate between the two new nodes:" msgstr "确认这两个新节点能够通讯:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms" msgstr "" "\n" "\t ping -c 3 192.168.122.102\n" "[root@pcmk-1 ~]# ping -c 3 192.168.122.102\n" "PING 192.168.122.102 (192.168.122.102) 56(84) bytes of data.\n" "64 bytes from 192.168.122.102: icmp_seq=1 ttl=64 time=0.343 ms\n" "64 bytes from 192.168.122.102: icmp_seq=2 ttl=64 time=0.402 ms\n" "64 bytes from 192.168.122.102: icmp_seq=3 ttl=64 time=0.558 ms\n" "\n" "--- 192.168.122.102 ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2000ms\n" "rtt min/avg/max/mdev = 0.343/0.434/0.558/0.092 ms\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "Now we need to make sure we can communicate with the machines by their name. If you have a DNS server, add additional entries for the two machines. Otherwise, you’ll need to add the machines to /etc/hosts . Below are the entries for my cluster nodes:" msgstr "现在我们需要确认我们能通过机器名访问这两台机器，如果你有一个DNS服务器，为这两台节点做域名解析。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2" msgstr "" "\n" "\t grep pcmk /etc/hosts\n" "[root@pcmk-1 ~]# grep pcmk /etc/hosts\n" "192.168.122.101 pcmk-1.clusterlabs.org pcmk-1\n" "192.168.122.102 pcmk-2.clusterlabs.org pcmk-2\n" "\t" #. Tag: para #, no-c-format msgid "We can now verify the setup by again using ping:" msgstr "现在让我们ping一下:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms" msgstr "" "\n" "\t ping -c 3 pcmk-2\n" "[root@pcmk-1 ~]# ping -c 3 pcmk-2\n" "PING pcmk-2.clusterlabs.org (192.168.122.101) 56(84) bytes of data.\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=1 ttl=64 time=0.164 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=2 ttl=64 time=0.475 ms\n" "64 bytes from pcmk-1.clusterlabs.org (192.168.122.101): icmp_seq=3 ttl=64 time=0.186 ms\n" "\n" "--- pcmk-2.clusterlabs.org ping statistics ---\n" "3 packets transmitted, 3 received, 0% packet loss, time 2001ms\n" "rtt min/avg/max/mdev = 0.164/0.275/0.475/0.141 ms\n" "\t" #. Tag: title #, no-c-format msgid "Configure SSH" msgstr "配置SSH" #. Tag: para #, fuzzy, no-c-format msgid "SSH is a convenient and secure way to copy files and perform commands remotely. For the purposes of this guide, we will create a key without a password (using the -N option) so that we can perform remote actions without being prompted." msgstr "SSH 是一个方便又安全来的用来远程传输文件或运行命令 的工具. 在这个文档中, 我们创建ssh key(用 -N “” 选项)来免去登入要输入密码的麻烦。" #. Tag: para #, no-c-format msgid " SSH " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Unprotected SSH keys, those without a password, are not recommended for servers exposed to the outside world. We use them here only to simplify the demo." msgstr "不推荐在公网的机器上采用未用密码保护的ssh-key" #. Tag: para #, no-c-format msgid "Create a new key and allow anyone with that key to log in:" msgstr "创建一个密钥并允许所有有这个密钥的用户登入" #. Tag: title #, no-c-format msgid "Creating and Activating a new SSH Key" msgstr "创建并激活一个新的SSH密钥" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "\n" "# cp .ssh/id_dsa.pub .ssh/authorized_keys" msgstr "" "\n" "[root@pcmk-1 ~]# ssh-keygen -t dsa -f ~/.ssh/id_dsa -N \"\"\n" "Generating public/private dsa key pair.\n" "Your identification has been saved in /root/.ssh/id_dsa.\n" "Your public key has been saved in /root/.ssh/id_dsa.pub.\n" "The key fingerprint is:\n" "91:09:5c:82:5a:6a:50:08:4e:b2:0c:62:de:cc:74:44 root@pcmk-1.clusterlabs.org\n" "\n" "The key's randomart image is:\n" "+--[ DSA 1024]----+\n" "|==.ooEo.. |\n" "|X O + .o o |\n" "| * A + |\n" "| + . |\n" "| . S |\n" "| |\n" "| |\n" "| |\n" "| |\n" "+-----------------+\n" "[root@pcmk-1 ~]# cp .ssh/id_dsa.pub .ssh/authorized_keys\n" "[root@pcmk-1 ~]#\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid " Creating and Activating a new SSH Key " msgstr "创建并激活一个新的SSH密钥" #. Tag: para #, no-c-format msgid "Install the key on the other nodes and test that you can now run commands remotely, without being prompted" msgstr "在其他节点安装这个密钥并测试你是否可以执行命令而不用输入密码" #. Tag: title #, no-c-format msgid "Installing the SSH Key on Another Host" msgstr "在另一个机器上面安装SSH密钥" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.root@pcmk-2's password:\n" "id_dsa.pub 100% 616 0.6KB/s 00:00\n" "id_dsa 100% 672 0.7KB/s 00:00\n" "known_hosts 100% 400 0.4KB/s 00:00\n" "authorized_keys 100% 616 0.6KB/s 00:00\n" "# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "#" msgstr "" "\n" "[root@pcmk-1 ~]# scp -r .ssh pcmk-2:\n" "The authenticity of host 'pcmk-2 (192.168.122.102)' can't be established.\n" "RSA key fingerprint is b1:2b:55:93:f1:d9:52:2b:0f:f2:8a:4e:ae:c6:7c:9a.\n" "Are you sure you want to continue connecting (yes/no)? yes\n" "Warning: Permanently added 'pcmk-2,192.168.122.102' (RSA) to the list of known hosts.\n" "root@pcmk-2's password: \n" "id_dsa.pub 100% 616 0.6KB/s 00:00 \n" "id_dsa 100% 672 0.7KB/s 00:00 \n" "known_hosts 100% 400 0.4KB/s 00:00 \n" "authorized_keys 100% 616 0.6KB/s 00:00 \n" "[root@pcmk-1 ~]# ssh pcmk-2 -- uname -n\n" "pcmk-2\n" "[root@pcmk-1 ~]#\n" "\t" #. Tag: title #, no-c-format msgid "Cluster Software Installation" msgstr "集群软件安装" #. Tag: title #, no-c-format msgid "Install the Cluster Software" msgstr "安装集群软件" #. Tag: para #, no-c-format msgid "Since version 12, Fedora comes with recent versions of everything you need, so simply fire up the shell and run:" msgstr "从Fedora 12开始，你需要的东西都已经准备好了，只需在终端命令行运行以下命令:" #. Tag: programlisting #, no-c-format msgid "# yum install -y pacemaker corosync" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "fedora/metalink | 38 kB 00:00\n" "fedora | 4.2 kB 00:00\n" "fedora/primary_db | 14 MB 00:21\n" "updates/metalink | 2.7 kB 00:00\n" "updates | 2.6 kB 00:00\n" "updates/primary_db | 1.2 kB 00:00\n" "updates-testing/metalink | 28 kB 00:00\n" "updates-testing | 4.5 kB 00:00\n" "updates-testing/primary_db | 4.5 MB 00:12\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package corosync.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: corosynclib = 1.99.9-1.fc17 for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libxslt for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4(COROSYNC_CMAP_1.0)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libvotequorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libtotem_pg.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libquorum.so.5()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libqb.so.0()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libnetsnmp.so.30()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcorosync_common.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcmap.so.4()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libcfg.so.6()(64bit) for package: corosync-1.99.9-1.fc17.x86_64\n" "---> Package pacemaker.x86_64 0:1.1.7-2.fc17 will be installed\n" "--> Processing Dependency: pacemaker-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cluster-libs = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: pacemaker-cli = 1.1.7-2.fc17 for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: resource-agents for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: perl(Getopt::Long) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26(GNUTLS_1_4)(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: /usr/bin/perl for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_status.so.3()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libltdl.so.7()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libgnutls.so.26()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.7-2.fc17.x86_64\n" "--> Running transaction check\n" "---> Package cluster-glue.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.6-9.fc17.1.x86_64\n" "---> Package cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1 will be installed\n" "---> Package corosynclib.x86_64 0:1.99.9-1.fc17 will be installed\n" "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.99.9-1.fc17.x86_64\n" "---> Package gnutls.x86_64 0:2.12.17-1.fc17 will be installed\n" "--> Processing Dependency: libtasn1.so.3(LIBTASN1_0_3)(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libtasn1.so.3()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "--> Processing Dependency: libp11-kit.so.0()(64bit) for package: gnutls-2.12.17-1.fc17.x86_64\n" "---> Package libqb.x86_64 0:0.11.1-1.fc17 will be installed\n" "---> Package libtool-ltdl.x86_64 0:2.4.2-3.fc17 will be installed\n" "---> Package libxslt.x86_64 0:1.1.26-9.fc17 will be installed\n" "---> Package net-snmp-libs.x86_64 1:5.7.1-4.fc17 will be installed\n" "---> Package pacemaker-cli.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package pacemaker-libs.x86_64 0:1.1.7-2.fc17 will be installed\n" "---> Package perl.x86_64 4:5.14.2-211.fc17 will be installed\n" "--> Processing Dependency: perl-libs = 4:5.14.2-211.fc17 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) >= 1.21 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) >= 1.3 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) >= 1.10 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) >= 0.8 for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-macros for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl-libs for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads::shared) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(threads) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Socket) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Scalar::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Pod::Simple) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Module::Pluggable) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(List::Util) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Unix) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec::Functions) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(File::Spec) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Cwd) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: perl(Carp) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "--> Processing Dependency: libperl.so()(64bit) for package: 4:perl-5.14.2-211.fc17.x86_64\n" "---> Package resource-agents.x86_64 0:3.9.2-2.fc17.1 will be installed\n" "--> Processing Dependency: /usr/sbin/rpc.nfsd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/rpc.mountd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /usr/sbin/ethtool for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/rpc.statd for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotaon for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/quotacheck for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs4 for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.nfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/mount.cifs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: /sbin/fsck.xfs for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.9.2-2.fc17.1.x86_64\n" "--> Running transaction check\n" "---> Package OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 will be installed\n" "---> Package cifs-utils.x86_64 0:5.3-2.fc17 will be installed\n" "--> Processing Dependency: libtalloc.so.2(TALLOC_2.0.2)(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: keyutils for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libwbclient.so.0()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "--> Processing Dependency: libtalloc.so.2()(64bit) for package: cifs-utils-5.3-2.fc17.x86_64\n" "---> Package ethtool.x86_64 2:3.2-2.fc17 will be installed\n" "---> Package libibverbs.x86_64 0:1.1.6-2.fc17 will be installed\n" "---> Package libnet.x86_64 0:1.1.5-3.fc17 will be installed\n" "---> Package librdmacm.x86_64 0:1.0.15-1.fc17 will be installed\n" "---> Package libtasn1.x86_64 0:2.12-1.fc17 will be installed\n" "---> Package nfs-utils.x86_64 1:1.2.5-12.fc17 will be installed\n" "--> Processing Dependency: rpcbind for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1(libgssapi_CITI_2)(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libtirpc.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libnfsidmap.so.0()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libgssglue.so.1()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "--> Processing Dependency: libevent-2.0.so.5()(64bit) for package: 1:nfs-utils-1.2.5-12.fc17.x86_64\n" "---> Package p11-kit.x86_64 0:0.12-1.fc17 will be installed\n" "---> Package perl-Carp.noarch 0:1.22-2.fc17 will be installed\n" "---> Package perl-Module-Pluggable.noarch 1:3.90-211.fc17 will be installed\n" "---> Package perl-PathTools.x86_64 0:3.33-211.fc17 will be installed\n" "---> Package perl-Pod-Simple.noarch 1:3.16-211.fc17 will be installed\n" "--> Processing Dependency: perl(Pod::Escapes) >= 1.04 for package: 1:perl-Pod-Simple-3.16-211.fc17.noarch\n" "---> Package perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17 will be installed\n" "---> Package perl-Socket.x86_64 0:2.001-1.fc17 will be installed\n" "---> Package perl-TimeDate.noarch 1:1.20-6.fc17 will be installed\n" "---> Package perl-libs.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-macros.x86_64 4:5.14.2-211.fc17 will be installed\n" "---> Package perl-threads.x86_64 0:1.86-2.fc17 will be installed\n" "---> Package perl-threads-shared.x86_64 0:1.40-2.fc17 will be installed\n" "---> Package quota.x86_64 1:4.00-3.fc17 will be installed\n" "--> Processing Dependency: quota-nls = 1:4.00-3.fc17 for package: 1:quota-4.00-3.fc17.x86_64\n" "--> Processing Dependency: tcp_wrappers for package: 1:quota-4.00-3.fc17.x86_64\n" "---> Package xfsprogs.x86_64 0:3.1.8-1.fc17 will be installed\n" "--> Running transaction check\n" "---> Package keyutils.x86_64 0:1.5.5-2.fc17 will be installed\n" "---> Package libevent.x86_64 0:2.0.14-2.fc17 will be installed\n" "---> Package libgssglue.x86_64 0:0.3-1.fc17 will be installed\n" "---> Package libnfsidmap.x86_64 0:0.25-1.fc17 will be installed\n" "---> Package libtalloc.x86_64 0:2.0.7-4.fc17 will be installed\n" "---> Package libtirpc.x86_64 0:0.2.2-2.1.fc17 will be installed\n" "---> Package libwbclient.x86_64 1:3.6.3-81.fc17.1 will be installed\n" "---> Package perl-Pod-Escapes.noarch 1:1.04-211.fc17 will be installed\n" "---> Package quota-nls.noarch 1:4.00-3.fc17 will be installed\n" "---> Package rpcbind.x86_64 0:0.2.0-16.fc17 will be installed\n" "---> Package tcp_wrappers.x86_64 0:7.6-69.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=====================================================================================\n" " Package Arch Version Repository Size\n" "=====================================================================================\n" "Installing:\n" " corosync x86_64 1.99.9-1.fc17 updates-testing 159 k\n" " pacemaker x86_64 1.1.7-2.fc17 updates-testing 362 k\n" "Installing for dependencies:\n" " OpenIPMI-libs x86_64 2.0.18-13.fc17 fedora 466 k\n" " cifs-utils x86_64 5.3-2.fc17 updates-testing 66 k\n" " cluster-glue x86_64 1.0.6-9.fc17.1 fedora 229 k\n" " cluster-glue-libs x86_64 1.0.6-9.fc17.1 fedora 121 k\n" " corosynclib x86_64 1.99.9-1.fc17 updates-testing 96 k\n" " ethtool x86_64 2:3.2-2.fc17 fedora 94 k\n" " gnutls x86_64 2.12.17-1.fc17 fedora 385 k\n" " keyutils x86_64 1.5.5-2.fc17 fedora 49 k\n" " libevent x86_64 2.0.14-2.fc17 fedora 160 k\n" " libgssglue x86_64 0.3-1.fc17 fedora 24 k\n" " libibverbs x86_64 1.1.6-2.fc17 fedora 44 k\n" " libnet x86_64 1.1.5-3.fc17 fedora 54 k\n" " libnfsidmap x86_64 0.25-1.fc17 fedora 34 k\n" " libqb x86_64 0.11.1-1.fc17 updates-testing 68 k\n" " librdmacm x86_64 1.0.15-1.fc17 fedora 27 k\n" " libtalloc x86_64 2.0.7-4.fc17 fedora 22 k\n" " libtasn1 x86_64 2.12-1.fc17 updates-testing 319 k\n" " libtirpc x86_64 0.2.2-2.1.fc17 fedora 78 k\n" " libtool-ltdl x86_64 2.4.2-3.fc17 fedora 45 k\n" " libwbclient x86_64 1:3.6.3-81.fc17.1 updates-testing 68 k\n" " libxslt x86_64 1.1.26-9.fc17 fedora 416 k\n" " net-snmp-libs x86_64 1:5.7.1-4.fc17 fedora 713 k\n" " nfs-utils x86_64 1:1.2.5-12.fc17 fedora 311 k\n" " p11-kit x86_64 0.12-1.fc17 updates-testing 36 k\n" " pacemaker-cli x86_64 1.1.7-2.fc17 updates-testing 368 k\n" " pacemaker-cluster-libs x86_64 1.1.7-2.fc17 updates-testing 77 k\n" " pacemaker-libs x86_64 1.1.7-2.fc17 updates-testing 322 k\n" " perl x86_64 4:5.14.2-211.fc17 fedora 10 M\n" " perl-Carp noarch 1.22-2.fc17 fedora 17 k\n" " perl-Module-Pluggable noarch 1:3.90-211.fc17 fedora 47 k\n" " perl-PathTools x86_64 3.33-211.fc17 fedora 105 k\n" " perl-Pod-Escapes noarch 1:1.04-211.fc17 fedora 40 k\n" " perl-Pod-Simple noarch 1:3.16-211.fc17 fedora 223 k\n" " perl-Scalar-List-Utils x86_64 1.25-1.fc17 updates-testing 33 k\n" " perl-Socket x86_64 2.001-1.fc17 updates-testing 44 k\n" " perl-TimeDate noarch 1:1.20-6.fc17 fedora 43 k\n" " perl-libs x86_64 4:5.14.2-211.fc17 fedora 628 k\n" " perl-macros x86_64 4:5.14.2-211.fc17 fedora 32 k\n" " perl-threads x86_64 1.86-2.fc17 fedora 47 k\n" " perl-threads-shared x86_64 1.40-2.fc17 fedora 36 k\n" " quota x86_64 1:4.00-3.fc17 fedora 160 k\n" " quota-nls noarch 1:4.00-3.fc17 fedora 74 k\n" " resource-agents x86_64 3.9.2-2.fc17.1 fedora 466 k\n" " rpcbind x86_64 0.2.0-16.fc17 fedora 52 k\n" " tcp_wrappers x86_64 7.6-69.fc17 fedora 72 k\n" " xfsprogs x86_64 3.1.8-1.fc17 updates-testing 715 k\n" "\n" "Transaction Summary\n" "=====================================================================================\n" "Install 2 Packages (+46 Dependent packages)\n" "\n" "Total download size: 18 M\n" "Installed size: 59 M\n" "Downloading Packages:\n" "(1/48): OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm | 466 kB 00:00\n" "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 1aca3465: NOKEY\n" "Public key for OpenIPMI-libs-2.0.18-13.fc17.x86_64.rpm is not installed\n" "(2/48): cifs-utils-5.3-2.fc17.x86_64.rpm | 66 kB 00:01\n" "Public key for cifs-utils-5.3-2.fc17.x86_64.rpm is not installed\n" "(3/48): cluster-glue-1.0.6-9.fc17.1.x86_64.rpm | 229 kB 00:00\n" "(4/48): cluster-glue-libs-1.0.6-9.fc17.1.x86_64.rpm | 121 kB 00:00\n" "(5/48): corosync-1.99.9-1.fc17.x86_64.rpm | 159 kB 00:01\n" "(6/48): corosynclib-1.99.9-1.fc17.x86_64.rpm | 96 kB 00:00\n" "(7/48): ethtool-3.2-2.fc17.x86_64.rpm | 94 kB 00:00\n" "(8/48): gnutls-2.12.17-1.fc17.x86_64.rpm | 385 kB 00:00\n" "(9/48): keyutils-1.5.5-2.fc17.x86_64.rpm | 49 kB 00:00\n" "(10/48): libevent-2.0.14-2.fc17.x86_64.rpm | 160 kB 00:00\n" "(11/48): libgssglue-0.3-1.fc17.x86_64.rpm | 24 kB 00:00\n" "(12/48): libibverbs-1.1.6-2.fc17.x86_64.rpm | 44 kB 00:00\n" "(13/48): libnet-1.1.5-3.fc17.x86_64.rpm | 54 kB 00:00\n" "(14/48): libnfsidmap-0.25-1.fc17.x86_64.rpm | 34 kB 00:00\n" "(15/48): libqb-0.11.1-1.fc17.x86_64.rpm | 68 kB 00:01\n" "(16/48): librdmacm-1.0.15-1.fc17.x86_64.rpm | 27 kB 00:00\n" "(17/48): libtalloc-2.0.7-4.fc17.x86_64.rpm | 22 kB 00:00\n" "(18/48): libtasn1-2.12-1.fc17.x86_64.rpm | 319 kB 00:02\n" "(19/48): libtirpc-0.2.2-2.1.fc17.x86_64.rpm | 78 kB 00:00\n" "(20/48): libtool-ltdl-2.4.2-3.fc17.x86_64.rpm | 45 kB 00:00\n" "(21/48): libwbclient-3.6.3-81.fc17.1.x86_64.rpm | 68 kB 00:00\n" "(22/48): libxslt-1.1.26-9.fc17.x86_64.rpm | 416 kB 00:00\n" "(23/48): net-snmp-libs-5.7.1-4.fc17.x86_64.rpm | 713 kB 00:01\n" "(24/48): nfs-utils-1.2.5-12.fc17.x86_64.rpm | 311 kB 00:00\n" "(25/48): p11-kit-0.12-1.fc17.x86_64.rpm | 36 kB 00:01\n" "(26/48): pacemaker-1.1.7-2.fc17.x86_64.rpm | 362 kB 00:02\n" "(27/48): pacemaker-cli-1.1.7-2.fc17.x86_64.rpm | 368 kB 00:02\n" "(28/48): pacemaker-cluster-libs-1.1.7-2.fc17.x86_64.rpm | 77 kB 00:00\n" "(29/48): pacemaker-libs-1.1.7-2.fc17.x86_64.rpm | 322 kB 00:01\n" "(30/48): perl-5.14.2-211.fc17.x86_64.rpm | 10 MB 00:15\n" "(31/48): perl-Carp-1.22-2.fc17.noarch.rpm | 17 kB 00:00\n" "(32/48): perl-Module-Pluggable-3.90-211.fc17.noarch.rpm | 47 kB 00:00\n" "(33/48): perl-PathTools-3.33-211.fc17.x86_64.rpm | 105 kB 00:00\n" "(34/48): perl-Pod-Escapes-1.04-211.fc17.noarch.rpm | 40 kB 00:00\n" "(35/48): perl-Pod-Simple-3.16-211.fc17.noarch.rpm | 223 kB 00:00\n" "(36/48): perl-Scalar-List-Utils-1.25-1.fc17.x86_64.rpm | 33 kB 00:01\n" "(37/48): perl-Socket-2.001-1.fc17.x86_64.rpm | 44 kB 00:00\n" "(38/48): perl-TimeDate-1.20-6.fc17.noarch.rpm | 43 kB 00:00\n" "(39/48): perl-libs-5.14.2-211.fc17.x86_64.rpm | 628 kB 00:00\n" "(40/48): perl-macros-5.14.2-211.fc17.x86_64.rpm | 32 kB 00:00\n" "(41/48): perl-threads-1.86-2.fc17.x86_64.rpm | 47 kB 00:00\n" "(42/48): perl-threads-shared-1.40-2.fc17.x86_64.rpm | 36 kB 00:00\n" "(43/48): quota-4.00-3.fc17.x86_64.rpm | 160 kB 00:00\n" "(44/48): quota-nls-4.00-3.fc17.noarch.rpm | 74 kB 00:00\n" "(45/48): resource-agents-3.9.2-2.fc17.1.x86_64.rpm | 466 kB 00:00\n" "(46/48): rpcbind-0.2.0-16.fc17.x86_64.rpm | 52 kB 00:00\n" "(47/48): tcp_wrappers-7.6-69.fc17.x86_64.rpm | 72 kB 00:00\n" "(48/48): xfsprogs-3.1.8-1.fc17.x86_64.rpm | 715 kB 00:03\n" "----------------------------------------------------------------------------------------\n" "Total 333 kB/s | 18 MB 00:55\n" "Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Importing GPG key 0x1ACA3465:\n" " Userid : \"Fedora (17) <fedora@fedoraproject.org>\"\n" " Fingerprint: cac4 3fb7 74a4 a673 d81c 5de7 50e9 4c99 1aca 3465\n" " Package : fedora-release-17-0.8.noarch (@anaconda-0)\n" " From : /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : libqb-0.11.1-1.fc17.x86_64 1/48\n" " Installing : libtool-ltdl-2.4.2-3.fc17.x86_64 2/48\n" " Installing : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 3/48\n" " Installing : libxslt-1.1.26-9.fc17.x86_64 4/48\n" " Installing : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 5/48\n" " Installing : perl-threads-1.86-2.fc17.x86_64 6/48\n" " Installing : 4:perl-macros-5.14.2-211.fc17.x86_64 7/48\n" " Installing : 1:perl-Pod-Simple-3.16-211.fc17.noarch 8/48\n" " Installing : perl-Socket-2.001-1.fc17.x86_64 9/48\n" " Installing : perl-Carp-1.22-2.fc17.noarch 10/48\n" " Installing : 4:perl-libs-5.14.2-211.fc17.x86_64 11/48\n" " Installing : perl-threads-shared-1.40-2.fc17.x86_64 12/48\n" " Installing : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 13/48\n" " Installing : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 14/48\n" " Installing : perl-PathTools-3.33-211.fc17.x86_64 15/48\n" " Installing : 4:perl-5.14.2-211.fc17.x86_64 16/48\n" " Installing : libibverbs-1.1.6-2.fc17.x86_64 17/48\n" " Installing : keyutils-1.5.5-2.fc17.x86_64 18/48\n" " Installing : libgssglue-0.3-1.fc17.x86_64 19/48\n" " Installing : libtirpc-0.2.2-2.1.fc17.x86_64 20/48\n" " Installing : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 21/48\n" " Installing : rpcbind-0.2.0-16.fc17.x86_64 22/48\n" " Installing : librdmacm-1.0.15-1.fc17.x86_64 23/48\n" " Installing : corosynclib-1.99.9-1.fc17.x86_64 24/48\n" " Installing : corosync-1.99.9-1.fc17.x86_64 25/48\n" "error reading information on service corosync: No such file or directory\n" " Installing : 1:perl-TimeDate-1.20-6.fc17.noarch 26/48\n" " Installing : 1:quota-nls-4.00-3.fc17.noarch 27/48\n" " Installing : tcp_wrappers-7.6-69.fc17.x86_64 28/48\n" " Installing : 1:quota-4.00-3.fc17.x86_64 29/48\n" " Installing : libnfsidmap-0.25-1.fc17.x86_64 30/48\n" " Installing : 1:libwbclient-3.6.3-81.fc17.1.x86_64 31/48\n" " Installing : libnet-1.1.5-3.fc17.x86_64 32/48\n" " Installing : 2:ethtool-3.2-2.fc17.x86_64 33/48\n" " Installing : libevent-2.0.14-2.fc17.x86_64 34/48\n" " Installing : 1:nfs-utils-1.2.5-12.fc17.x86_64 35/48\n" " Installing : libtalloc-2.0.7-4.fc17.x86_64 36/48\n" " Installing : cifs-utils-5.3-2.fc17.x86_64 37/48\n" " Installing : libtasn1-2.12-1.fc17.x86_64 38/48\n" " Installing : OpenIPMI-libs-2.0.18-13.fc17.x86_64 39/48\n" " Installing : cluster-glue-1.0.6-9.fc17.1.x86_64 40/48\n" " Installing : p11-kit-0.12-1.fc17.x86_64 41/48\n" " Installing : gnutls-2.12.17-1.fc17.x86_64 42/48\n" " Installing : pacemaker-libs-1.1.7-2.fc17.x86_64 43/48\n" " Installing : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 44/48\n" " Installing : pacemaker-cli-1.1.7-2.fc17.x86_64 45/48\n" " Installing : xfsprogs-3.1.8-1.fc17.x86_64 46/48\n" " Installing : resource-agents-3.9.2-2.fc17.1.x86_64 47/48\n" " Installing : pacemaker-1.1.7-2.fc17.x86_64 48/48\n" " Verifying : xfsprogs-3.1.8-1.fc17.x86_64 1/48\n" " Verifying : 1:net-snmp-libs-5.7.1-4.fc17.x86_64 2/48\n" " Verifying : corosync-1.99.9-1.fc17.x86_64 3/48\n" " Verifying : cluster-glue-1.0.6-9.fc17.1.x86_64 4/48\n" " Verifying : perl-PathTools-3.33-211.fc17.x86_64 5/48\n" " Verifying : p11-kit-0.12-1.fc17.x86_64 6/48\n" " Verifying : 1:perl-Pod-Simple-3.16-211.fc17.noarch 7/48\n" " Verifying : OpenIPMI-libs-2.0.18-13.fc17.x86_64 8/48\n" " Verifying : libtasn1-2.12-1.fc17.x86_64 9/48\n" " Verifying : perl-threads-1.86-2.fc17.x86_64 10/48\n" " Verifying : 1:perl-Pod-Escapes-1.04-211.fc17.noarch 11/48\n" " Verifying : pacemaker-1.1.7-2.fc17.x86_64 12/48\n" " Verifying : 4:perl-5.14.2-211.fc17.x86_64 13/48\n" " Verifying : gnutls-2.12.17-1.fc17.x86_64 14/48\n" " Verifying : perl-threads-shared-1.40-2.fc17.x86_64 15/48\n" " Verifying : 4:perl-macros-5.14.2-211.fc17.x86_64 16/48\n" " Verifying : 1:perl-Module-Pluggable-3.90-211.fc17.noarch 17/48\n" " Verifying : 1:nfs-utils-1.2.5-12.fc17.x86_64 18/48\n" " Verifying : cluster-glue-libs-1.0.6-9.fc17.1.x86_64 19/48\n" " Verifying : pacemaker-libs-1.1.7-2.fc17.x86_64 20/48\n" " Verifying : libtalloc-2.0.7-4.fc17.x86_64 21/48\n" " Verifying : libevent-2.0.14-2.fc17.x86_64 22/48\n" " Verifying : perl-Socket-2.001-1.fc17.x86_64 23/48\n" " Verifying : libgssglue-0.3-1.fc17.x86_64 24/48\n" " Verifying : perl-Carp-1.22-2.fc17.noarch 25/48\n" " Verifying : libtirpc-0.2.2-2.1.fc17.x86_64 26/48\n" " Verifying : 2:ethtool-3.2-2.fc17.x86_64 27/48\n" " Verifying : 4:perl-libs-5.14.2-211.fc17.x86_64 28/48\n" " Verifying : libxslt-1.1.26-9.fc17.x86_64 29/48\n" " Verifying : rpcbind-0.2.0-16.fc17.x86_64 30/48\n" " Verifying : librdmacm-1.0.15-1.fc17.x86_64 31/48\n" " Verifying : resource-agents-3.9.2-2.fc17.1.x86_64 32/48\n" " Verifying : 1:quota-4.00-3.fc17.x86_64 33/48\n" " Verifying : 1:perl-TimeDate-1.20-6.fc17.noarch 34/48\n" " Verifying : perl-Scalar-List-Utils-1.25-1.fc17.x86_64 35/48\n" " Verifying : libtool-ltdl-2.4.2-3.fc17.x86_64 36/48\n" " Verifying : pacemaker-cluster-libs-1.1.7-2.fc17.x86_64 37/48\n" " Verifying : cifs-utils-5.3-2.fc17.x86_64 38/48\n" " Verifying : libnet-1.1.5-3.fc17.x86_64 39/48\n" " Verifying : corosynclib-1.99.9-1.fc17.x86_64 40/48\n" " Verifying : libqb-0.11.1-1.fc17.x86_64 41/48\n" " Verifying : 1:libwbclient-3.6.3-81.fc17.1.x86_64 42/48\n" " Verifying : libnfsidmap-0.25-1.fc17.x86_64 43/48\n" " Verifying : tcp_wrappers-7.6-69.fc17.x86_64 44/48\n" " Verifying : keyutils-1.5.5-2.fc17.x86_64 45/48\n" " Verifying : libibverbs-1.1.6-2.fc17.x86_64 46/48\n" " Verifying : 1:quota-nls-4.00-3.fc17.noarch 47/48\n" " Verifying : pacemaker-cli-1.1.7-2.fc17.x86_64 48/48\n" "\n" "Installed:\n" " corosync.x86_64 0:1.99.9-1.fc17 pacemaker.x86_64 0:1.1.7-2.fc17\n" "\n" "Dependency Installed:\n" " OpenIPMI-libs.x86_64 0:2.0.18-13.fc17 cifs-utils.x86_64 0:5.3-2.fc17\n" " cluster-glue.x86_64 0:1.0.6-9.fc17.1 cluster-glue-libs.x86_64 0:1.0.6-9.fc17.1\n" " corosynclib.x86_64 0:1.99.9-1.fc17 ethtool.x86_64 2:3.2-2.fc17\n" " gnutls.x86_64 0:2.12.17-1.fc17 keyutils.x86_64 0:1.5.5-2.fc17\n" " libevent.x86_64 0:2.0.14-2.fc17 libgssglue.x86_64 0:0.3-1.fc17\n" " libibverbs.x86_64 0:1.1.6-2.fc17 libnet.x86_64 0:1.1.5-3.fc17\n" " libnfsidmap.x86_64 0:0.25-1.fc17 libqb.x86_64 0:0.11.1-1.fc17\n" " librdmacm.x86_64 0:1.0.15-1.fc17 libtalloc.x86_64 0:2.0.7-4.fc17\n" " libtasn1.x86_64 0:2.12-1.fc17 libtirpc.x86_64 0:0.2.2-2.1.fc17\n" " libtool-ltdl.x86_64 0:2.4.2-3.fc17 libwbclient.x86_64 1:3.6.3-81.fc17.1\n" " libxslt.x86_64 0:1.1.26-9.fc17 net-snmp-libs.x86_64 1:5.7.1-4.fc17\n" " nfs-utils.x86_64 1:1.2.5-12.fc17 p11-kit.x86_64 0:0.12-1.fc17\n" " pacemaker-cli.x86_64 0:1.1.7-2.fc17 pacemaker-cluster-libs.x86_64 0:1.1.7-2.fc17\n" " pacemaker-libs.x86_64 0:1.1.7-2.fc17 perl.x86_64 4:5.14.2-211.fc17\n" " perl-Carp.noarch 0:1.22-2.fc17 perl-Module-Pluggable.noarch 1:3.90-211.fc17\n" " perl-PathTools.x86_64 0:3.33-211.fc17 perl-Pod-Escapes.noarch 1:1.04-211.fc17\n" " perl-Pod-Simple.noarch 1:3.16-211.fc17 perl-Scalar-List-Utils.x86_64 0:1.25-1.fc17\n" " perl-Socket.x86_64 0:2.001-1.fc17 perl-TimeDate.noarch 1:1.20-6.fc17\n" " perl-libs.x86_64 4:5.14.2-211.fc17 perl-macros.x86_64 4:5.14.2-211.fc17\n" " perl-threads.x86_64 0:1.86-2.fc17 perl-threads-shared.x86_64 0:1.40-2.fc17\n" " quota.x86_64 1:4.00-3.fc17 quota-nls.noarch 1:4.00-3.fc17\n" " resource-agents.x86_64 0:3.9.2-2.fc17.1 rpcbind.x86_64 0:0.2.0-16.fc17\n" " tcp_wrappers.x86_64 0:7.6-69.fc17 xfsprogs.x86_64 0:3.1.8-1.fc17\n" "\n" "Complete!\n" "[root@pcmk-1 ~]#" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now install the cluster software on the second node." msgstr "安装集群软件" #. Tag: title #, fuzzy, no-c-format msgid "Install the Cluster Management Software" msgstr "安装集群软件" #. Tag: para #, no-c-format msgid "The pcs cli command coupled with the pcs daemon creates a cluster management system capable of managing all aspects of the cluster stack across all nodes from a single location." msgstr "" #. Tag: programlisting #, no-c-format msgid "# yum install -y pcs" msgstr "" #. Tag: para #, no-c-format msgid "Make sure to install the pcs packages on both nodes." msgstr "" #. Tag: title #, no-c-format msgid "Setup" msgstr "安装" #. Tag: title #, no-c-format msgid "Enable pcs Daemon" msgstr "" #. Tag: para #, no-c-format msgid "Before the cluster can be configured, the pcs daemon must be started and enabled to boot on startup on each node. This daemon works with the pcs cli command to manage syncing the corosync configuration across all the nodes in the cluster." msgstr "" #. Tag: para #, no-c-format msgid "Start and enable the daemon by issuing the following commands on each node." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start pcsd.service\n" "# systemctl enable pcsd.service" msgstr "" #. Tag: para #, no-c-format msgid "Now we need a way for pcs to talk to itself on other nodes in the cluster. This is necessary in order to perform tasks such as syncing the corosync config, or starting/stopping the cluster on remote nodes" msgstr "" #. Tag: para #, no-c-format msgid "While pcs can be used locally without setting up these user accounts, this tutorial will make use of these remote access commands, so we will set a password for the hacluster user. Its probably best if password is consistent across all the nodes." msgstr "" #. Tag: para #, no-c-format msgid "As root, run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# passwd hacluster\n" "password:" msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, to script this process or set the password on a different machine to the one you’re logged into, you can use the --stdin option for passwd:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# ssh pcmk-2 -- 'echo redhat1 | passwd --stdin hacluster'" msgstr "" #. Tag: title #, no-c-format msgid "Notes on Multicast Address Assignment" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There are several subtle points that often deserve consideration when choosing/assigning multicast addresses. This information is borrowed from, the now defunct, http://web.archive.org/web/20101211210054/http://29west.com/docs/THPM/multicast-address-assignment.html" msgstr "请注意你选择的端口和地址不能跟已存在的集群冲突，关于组播地址的选择，可以参考 http://www.29west.com/docs/THPM/multicast-address-assignment.html " #. Tag: para #, no-c-format msgid "Avoid 224.0.0.x" msgstr "" #. Tag: para #, no-c-format msgid "Traffic to addresses of the form 224.0.0.x is often flooded to all switch ports. This address range is reserved for link-local uses. Many routing protocols assume that all traffic within this range will be received by all routers on the network. Hence (at least all Cisco) switches flood traffic within this range. The flooding behavior overrides the normal selective forwarding behavior of a multicast-aware switch (e.g. IGMP snooping, CGMP, etc.)." msgstr "" #. Tag: para #, no-c-format msgid "Watch for 32:1 overlap" msgstr "" #. Tag: para #, no-c-format msgid "32 non-contiguous IP multicast addresses are mapped onto each Ethernet multicast address. A receiver that joins a single IP multicast group implicitly joins 31 others due to this overlap. Of course, filtering in the operating system discards undesired multicast traffic from applications, but NIC bandwidth and CPU resources are nonetheless consumed discarding it. The overlap occurs in the 5 high-order bits, so it’s best to use the 23 low-order bits to make distinct multicast streams unique. For example, IP multicast addresses in the range 239.0.0.0 to 239.127.255.255 all map to unique Ethernet multicast addresses. However, IP multicast address 239.128.0.0 maps to the same Ethernet multicast address as 239.0.0.0, 239.128.0.1 maps to the same Ethernet multicast address as 239.0.0.1, etc." msgstr "" #. Tag: para #, no-c-format msgid "Avoid x.0.0.y and x.128.0.y" msgstr "" #. Tag: para #, no-c-format msgid "Combining the above two considerations, it’s best to avoid using IP multicast addresses of the form x.0.0.y and x.128.0.y since they all map onto the range of Ethernet multicast addresses that are flooded to all switch ports." msgstr "" #. Tag: para #, no-c-format msgid "Watch for address assignment conflicts" msgstr "" #. Tag: para #, no-c-format msgid "IANA administers Internet multicast addresses. Potential conflicts with Internet multicast address assignments can be avoided by using GLOP addressing (AS required) or administratively scoped addresses. Such addresses can be safely used on a network connected to the Internet without fear of conflict with multicast sources originating on the Internet. Administratively scoped addresses are roughly analogous to the unicast address space for private internets. Site-local multicast addresses are of the form 239.255.x.y, but can grow down to 239.252.x.y if needed. Organization-local multicast addresses are of the form 239.192-251.x.y, but can grow down to 239.x.y.z if needed." msgstr "" #. Tag: para #, no-c-format msgid "For a more detailed treatment (57 pages!), see Cisco’s Guidelines for Enterprise IP Multicast Address Allocation paper." msgstr "" #. Tag: title #, no-c-format msgid "Configuring Corosync" msgstr "配置 Corosync" #. Tag: para #, no-c-format msgid "In the past, at this point in the tutorial an explanation of how to configure and propagate corosync’s /etc/corosync.conf file would be necessary. Using pcs with the pcs daemon greatly simplifies this process by generating corosync.conf across all the nodes in the cluster with a single command. The only thing required to achieve this is to authenticate as the pcs user hacluster on one of the nodes in the cluster, and then issue the pcs cluster setup command with a list of all the node names in the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster auth pcmk-1 pcmk-2\n" "Username: hacluster\n" "Password:\n" "pcmk-1: Authorized\n" "pcmk-2: Authorized\n" "\n" "# pcs cluster setup mycluster pcmk-1 pcmk-2\n" "pcmk-1: Succeeded\n" "pcmk-2: Succeeded" msgstr "" #. Tag: para #, no-c-format msgid "That’s it. Corosync is configured across the cluster. If you received an authorization error for either of those commands, make sure you setup the hacluster user account and password on every node in the cluster with the same password." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The final /etc/corosync.conf configuration on each node should look something like the sample in Appendix B, Sample Corosync Configuration." msgstr "最后配置文件应该看起来像下面的样子。" #. Tag: para #, no-c-format msgid "Pacemaker used to obtain membership and quorum from a custom Corosync plugin. This plugin also had the capability to start Pacemaker automatically when Corosync was started." msgstr "" #. Tag: para #, no-c-format msgid "Neither behavior is possible with Corosync 2.0 and beyond as support for plugins was removed." msgstr "" #. Tag: para #, no-c-format msgid "Instead, Pacemaker must be started as a separate job/initscript. Also, since Pacemaker made use of the plugin for message routing, a node using the plugin (Corosync prior to 2.0) cannot talk to one that isn’t (Corosync 2.0+)." msgstr "" #. Tag: para #, no-c-format msgid "Rolling upgrades between these versions are therefor not possible and an alternate strategy http://www.clusterlabs.org/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html must be used." msgstr "" #~ msgid "Burn the disk image to a DVD http://docs.fedoraproject.org/readme-burning-isos/en-US.html and boot from it. Or use the image to boot a virtual machine as I have done here. After clicking through the welcome screen, select your language and keyboard layout http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgstr "烧录一个DVD光盘 http://docs.fedoraproject.org/readme-burning-isos/en-US.html 并从它启动。或者就像我一样启动一个虚拟机。 在点击欢迎界面的NETX后 ，我们要开始选择语言和键盘类型 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgid "Fedora Installation - Welcome" #~ msgstr "安装Fedora - 欢迎 " #~ msgid "Fedora Installation: Good choice" #~ msgstr "安装Fedora: 好的选择！" #~ msgid "Fedora Installation - Storage Devices" #~ msgstr "安装Fedora - 存储设备" #~ msgid "Fedora Installation: Storage Devices" #~ msgstr "安装Fedora: 存储设备" #~ msgid "Fedora Installation - Hostname" #~ msgstr "安装Fedora -机器名" #~ msgid "Fedora Installation: Choose a hostname" #~ msgstr "安装Fedora: 选择一个机器名" #~ msgid "Fedora Installation - Installation Type" #~ msgstr "安装Fedora - 安装类型" #~ msgid "Fedora Installation: Choose an installation type" #~ msgstr "安装Fedora: 选择安装类型" #~ msgid "By default, Fedora will give all the space to the / (aka. root) partition. Wel'll take some back so we can use DRBD." #~ msgstr "默认的话，Fedora会将所有的空间都分配给/ (aka. 根)分区。我们要保留一点给DRBD。" #~ msgid "Fedora Installation - Default Partitioning" #~ msgstr "安装Fedora - 默认分区" #~ msgid "The finalized partition layout should look something like the diagram below." #~ msgstr "完整的分区应该像下面一样。" #~ msgid "If you plan on following the DRBD or GFS2 portions of this guide, you should reserve at least 1Gb of space on each machine from which to create a shared volume." #~ msgstr "如果你想试验本文档中关于DRBD或者GFS2的部分，你要为每个节点保留至少1Gb的空间。" #~ msgid "Fedora Installation - Customize Partitioning" #~ msgstr "安装Fedora - 自定义分区" #~ msgid "Fedora Installation: Create a partition to use (later) for website data" #~ msgstr "安装Fedora: 创建一个网站存放数据用的分区" #~ msgid "Fedora Installation - Bootloader" #~ msgstr "安装Fedora - Bootloader" #~ msgid "Fedora Installation: Unless you have a strong reason not to, accept the default bootloader location" #~ msgstr "安装Fedora: 除非有非常强力的理由，不然选择默认的bootloader安装位置" #~ msgid "Fedora Installation - Software" #~ msgstr "安装Fedora - 软件" #~ msgid "Fedora Installation: Software selection" #~ msgstr "安装Fedora: 软件选择" #~ msgid "Fedora Installation - Installing" #~ msgstr "安装Fedora - 安装中" #~ msgid "Fedora Installation - Installation Complete" #~ msgstr "安装Fedora - 安装完成" #~ msgid "Fedora Installation: Stage 1, completed" #~ msgstr "安装Fedora: Stage 1, 完成" #~ msgid "Once the node reboots, follow the on screen instructions http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html to create a system user and configure the time." #~ msgstr "一旦系统重启完毕你可以看到以下界面 http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/ch-firstboot.html ，然后配置用户和设定时间。" #~ msgid "Fedora Installation - First Boot" #~ msgstr "安装Fedora - 第一次启动" #~ msgid "Fedora Installation - Create Non-privileged User" #~ msgstr "安装Fedora - 创建非特权用户" #~ msgid "Fedora Installation: Creating a non-privileged user, take note of the password, you'll need it soon" #~ msgstr "安装Fedora: 创建非特权用户，请注意密码，一会你要用到它的。" #~ msgid "It is highly recommended to enable NTP on your cluster nodes. Doing so ensures all nodes agree on the current time and makes reading log files significantly easier." #~ msgstr "强烈建议开启NTP时间同步，这样可以使集群更好的同步配置文件以及使日志文件有更好的可读性。" #~ msgid "Fedora Installation - Date and Time" #~ msgstr "安装Fedora - 日期和时间" #~ msgid "Fedora Installation: Enable NTP to keep the times on all your nodes consistent" #~ msgstr "安装Fedora : 启用NTP来保证所有节点时间同步" #~ msgid "Click through the next screens until you reach the login window. Click on the user you created and supply the password you indicated earlier." #~ msgstr "点击next会进入登入界面，点击你创建的用户并输入之前设定的密码。" #~ msgid "Fedora Installation - Customize Networking" #~ msgstr "安装Fedora -自定义网络" #~ msgid "Fedora Installation: Click here to configure networking" #~ msgstr "安装Fedora: 点击这里来配置网络" #~ msgid "Fedora Installation - Specify Network Preferences" #~ msgstr "安装Fedora - 指定网络参数" #~ msgid "Fedora Installation: Specify network settings for your machine, never choose DHCP" #~ msgstr "安装Fedora: 设定你的网络，永远不要选择DHCP" #~ msgid "Fedora Installation - Activate Networking" #~ msgstr "安装Fedora - 激活网络" #~ msgid "Fedora Installation: Click the big green button to activate your changes" #~ msgstr "安装Fedora:点击绿色按钮来应用你的更改" #~ msgid "Fedora Installation - Bring up the Terminal" #~ msgstr "安装Fedora - 打开终端" #~ msgid "Fedora Installation: Down to business, fire up the command line" #~ msgstr "安装Fedora:开始干活，打开终端" #~ msgid "Go to the terminal window you just opened and switch to the super user (aka. \"root\") account with the su command. You will need to supply the password you entered earlier during the installation process." #~ msgstr "打开一个终端,然后使用su命令切换到超级用户(root)。输入之前安装时候设定的密码:" #~ msgid "" #~ "\n" #~ "[beekhof@pcmk-1 ~]$ su -\n" #~ "Password:\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[beekhof@pcmk-1 ~]$ su -\n" #~ "Password:\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgid "Note that the username (the text before the @ symbol) now indicates we’re running as the super user “root”." #~ msgstr "注意用户名 (@符号左边的字符串) 显示我们现在使用的是root用户." #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ip addr\n" #~ "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \n" #~ " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" #~ " inet 127.0.0.1/8 scope host lo\n" #~ " inet6 ::1/128 scope host \n" #~ " valid_lft forever preferred_lft forever\n" #~ "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000\n" #~ " link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff\n" #~ " inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0\n" #~ " inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591667sec preferred_lft 604467sec\n" #~ " inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591990sec preferred_lft 604790sec\n" #~ " inet6 fe80::20c:29ff:fe6f:e158/64 scope link \n" #~ " valid_lft forever preferred_lft forever\n" #~ "[root@pcmk-1 ~]# ping -c 1 www.google.com\n" #~ "PING www.l.google.com (74.125.39.99) 56(84) bytes of data.\n" #~ "64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms\n" #~ "\n" #~ "--- www.l.google.com ping statistics ---\n" #~ "1 packets transmitted, 1 received, 0% packet loss, time 20ms\n" #~ "rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig network on\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ip addr\n" #~ "1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN \n" #~ " link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n" #~ " inet 127.0.0.1/8 scope host lo\n" #~ " inet6 ::1/128 scope host \n" #~ " valid_lft forever preferred_lft forever\n" #~ "2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN qlen 1000\n" #~ " link/ether 00:0c:29:6f:e1:58 brd ff:ff:ff:ff:ff:ff\n" #~ " inet 192.168.9.41/24 brd 192.168.9.255 scope global eth0\n" #~ " inet6 ::20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591667sec preferred_lft 604467sec\n" #~ " inet6 2002:57ae:43fc:0:20c:29ff:fe6f:e158/64 scope global dynamic \n" #~ " valid_lft 2591990sec preferred_lft 604790sec\n" #~ " inet6 fe80::20c:29ff:fe6f:e158/64 scope link \n" #~ " valid_lft forever preferred_lft forever\n" #~ "[root@pcmk-1 ~]# ping -c 1 www.google.com\n" #~ "PING www.l.google.com (74.125.39.99) 56(84) bytes of data.\n" #~ "64 bytes from fx-in-f99.1e100.net (74.125.39.99): icmp_seq=1 ttl=56 time=16.7 ms\n" #~ "\n" #~ "--- www.l.google.com ping statistics ---\n" #~ "1 packets transmitted, 1 received, 0% packet loss, time 20ms\n" #~ "rtt min/avg/max/mdev = 16.713/16.713/16.713/0.000 ms\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig network on\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig --del iptables\n" #~ "[root@pcmk-1 ~]# service iptables stop\n" #~ "iptables: Flushing firewall rules: [ OK ]\n" #~ "iptables: Setting chains to policy ACCEPT: filter [ OK ]\n" #~ "iptables: Unloading modules: [ OK ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/SELINUX=enforcing/SELINUX=permissive/g\" /etc/selinux/config\n" #~ "[root@pcmk-1 ~]# /sbin/chkconfig --del iptables\n" #~ "[root@pcmk-1 ~]# service iptables stop\n" #~ "iptables: Flushing firewall rules: [ OK ]\n" #~ "iptables: Setting chains to policy ACCEPT: filter [ OK ]\n" #~ "iptables: Unloading modules: [ OK ]\n" #~ " " #~ msgid "You will need to reboot for the SELinux changes to take effect. Otherwise you will see something like this when you start corosync:" #~ msgstr "你需要重启来保证SELinux正确关闭。不然你启动corosync的时候将看到以下提示:" #~ msgid "" #~ "\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "May 4 19:30:54 pcmk-1 setroubleshoot: SELinux is preventing /usr/sbin/corosync \"getattr\" access on /. For complete SELinux messages. run sealert -l 6e0d4384-638e-4d55-9aaf-7dac011f29c1\n" #~ "\t" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora.repo\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora-updates.repo\n" #~ "[root@pcmk-1 ~]# yum install -y pacemaker corosync\n" #~ "Loaded plugins: presto, refresh-packagekit\n" #~ "fedora/metalink \t | 22 kB 00:00 \n" #~ "fedora-debuginfo/metalink \t | 16 kB 00:00 \n" #~ "fedora-debuginfo \t | 3.2 kB 00:00 \n" #~ "fedora-debuginfo/primary_db \t | 1.4 MB 00:04 \n" #~ "fedora-source/metalink \t | 22 kB 00:00 \n" #~ "fedora-source \t | 3.2 kB 00:00 \n" #~ "fedora-source/primary_db \t | 3.0 MB 00:05 \n" #~ "updates/metalink \t | 26 kB 00:00 \n" #~ "updates \t | 2.6 kB 00:00 \n" #~ "updates/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-debuginfo/metalink \t | 18 kB 00:00 \n" #~ "updates-debuginfo \t | 2.6 kB 00:00 \n" #~ "updates-debuginfo/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-source/metalink \t | 25 kB 00:00 \n" #~ "updates-source \t | 2.6 kB 00:00 \n" #~ "updates-source/primary_db \t | 1.1 kB 00:00 \n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "---> Package pacemaker.x86_64 0:1.1.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: resource-agents for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "--> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64\n" #~ "---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated\n" #~ "---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "--> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64\n" #~ "---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "---> Package pacemaker-libs.x86_64 0:1.1.1-1.fc13 set to be updated\n" #~ "---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated\n" #~ "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated\n" #~ "---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated\n" #~ "---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated\n" #~ "--> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64\n" #~ "---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated\n" #~ "---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated\n" #~ "---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated\n" #~ "---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated\n" #~ "---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora.repo\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/enabled=0/enabled=1/g\" /etc/yum.repos.d/fedora-updates.repo\n" #~ "[root@pcmk-1 ~]# yum install -y pacemaker corosync\n" #~ "Loaded plugins: presto, refresh-packagekit\n" #~ "fedora/metalink \t | 22 kB 00:00 \n" #~ "fedora-debuginfo/metalink \t | 16 kB 00:00 \n" #~ "fedora-debuginfo \t | 3.2 kB 00:00 \n" #~ "fedora-debuginfo/primary_db \t | 1.4 MB 00:04 \n" #~ "fedora-source/metalink \t | 22 kB 00:00 \n" #~ "fedora-source \t | 3.2 kB 00:00 \n" #~ "fedora-source/primary_db \t | 3.0 MB 00:05 \n" #~ "updates/metalink \t | 26 kB 00:00 \n" #~ "updates \t | 2.6 kB 00:00 \n" #~ "updates/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-debuginfo/metalink \t | 18 kB 00:00 \n" #~ "updates-debuginfo \t | 2.6 kB 00:00 \n" #~ "updates-debuginfo/primary_db \t | 1.1 kB 00:00 \n" #~ "updates-source/metalink \t | 25 kB 00:00 \n" #~ "updates-source \t | 2.6 kB 00:00 \n" #~ "updates-source/primary_db \t | 1.1 kB 00:00 \n" #~ "Setting up Install Process\n" #~ "Resolving Dependencies\n" #~ "--> Running transaction check\n" #~ "---> Package corosync.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: corosynclib = 1.2.1-1.fc13 for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4(COROSYNC_QUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4(COROSYNC_VOTEQUORUM_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4(COROSYNC_CPG_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4(COROSYNC_CONFDB_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4(COROSYNC_CFG_0.82)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4(COROSYNC_PLOAD_1.0)(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblogsys.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libconfdb.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcc.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcpg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libquorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcoroipcs.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libvotequorum.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcfg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtotem_pg.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpload.so.4()(64bit) for package: corosync-1.2.1-1.fc13.x86_64\n" #~ "---> Package pacemaker.x86_64 0:1.1.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: heartbeat >= 3.0.0 for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: net-snmp >= 5.4 for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: resource-agents for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: cluster-glue for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmp.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcluster.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpengine.so.3()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpagent.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libesmtp.so.5()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonithd.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libhbclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpils.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_status.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmpmibs.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libnetsnmphelpers.so.20()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcib.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libccmclient.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libstonith.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: liblrm.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libtransitioner.so.1()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libpe_rules.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libcrmcommon.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libplumb.so.2()(64bit) for package: pacemaker-1.1.1-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package cluster-glue.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "--> Processing Dependency: perl-TimeDate for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIutils.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMIposix.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libopenhpi.so.2()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "--> Processing Dependency: libOpenIPMI.so.0()(64bit) for package: cluster-glue-1.0.2-1.fc13.x86_64\n" #~ "---> Package cluster-glue-libs.x86_64 0:1.0.2-1.fc13 set to be updated\n" #~ "---> Package corosynclib.x86_64 0:1.2.1-1.fc13 set to be updated\n" #~ "--> Processing Dependency: librdmacm.so.1(RDMACM_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.0)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1(IBVERBS_1.1)(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: libibverbs.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "--> Processing Dependency: librdmacm.so.1()(64bit) for package: corosynclib-1.2.1-1.fc13.x86_64\n" #~ "---> Package heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "--> Processing Dependency: PyXML for package: heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64\n" #~ "---> Package heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 set to be updated\n" #~ "---> Package libesmtp.x86_64 0:1.0.4-12.fc12 set to be updated\n" #~ "---> Package net-snmp.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "--> Processing Dependency: libsensors.so.4()(64bit) for package: 1:net-snmp-5.5-12.fc13.x86_64\n" #~ "---> Package net-snmp-libs.x86_64 1:5.5-12.fc13 set to be updated\n" #~ "---> Package pacemaker-libs.x86_64 0:1.1.1-1.fc13 set to be updated\n" #~ "---> Package resource-agents.x86_64 0:3.0.10-1.fc13 set to be updated\n" #~ "--> Processing Dependency: libnet.so.1()(64bit) for package: resource-agents-3.0.10-1.fc13.x86_64\n" #~ "--> Running transaction check\n" #~ "---> Package OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 set to be updated\n" #~ "---> Package PyXML.x86_64 0:0.8.4-17.fc13 set to be updated\n" #~ "---> Package libibverbs.x86_64 0:1.1.3-4.fc13 set to be updated\n" #~ "--> Processing Dependency: libibverbs-driver for package: libibverbs-1.1.3-4.fc13.x86_64\n" #~ "---> Package libnet.x86_64 0:1.1.4-3.fc12 set to be updated\n" #~ "---> Package librdmacm.x86_64 0:1.0.10-2.fc13 set to be updated\n" #~ "---> Package lm_sensors-libs.x86_64 0:3.1.2-2.fc13 set to be updated\n" #~ "---> Package openhpi-libs.x86_64 0:2.14.1-3.fc13 set to be updated\n" #~ "---> Package perl-TimeDate.noarch 1:1.20-1.fc13 set to be updated\n" #~ "--> Running transaction check\n" #~ "---> Package libmlx4.x86_64 0:1.0.1-5.fc13 set to be updated\n" #~ "--> Finished Dependency Resolution\n" #~ "\n" #~ "Dependencies Resolved\n" #~ "\n" #~ " " #~ msgid "" #~ "\n" #~ "==========================================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "==========================================================================================\n" #~ "Installing:\n" #~ " corosync x86_64 1.2.1-1.fc13 fedora 136 k\n" #~ " pacemaker x86_64 1.1.1-1.fc13 fedora 543 k\n" #~ "Installing for dependencies:\n" #~ " OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k\n" #~ " PyXML x86_64 0.8.4-17.fc13 fedora 906 k\n" #~ " cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k\n" #~ " cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k\n" #~ " corosynclib x86_64 1.2.1-1.fc13 fedora 145 k\n" #~ " heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k\n" #~ " heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k\n" #~ " libesmtp x86_64 1.0.4-12.fc12 fedora 54 k\n" #~ " libibverbs x86_64 1.1.3-4.fc13 fedora 42 k\n" #~ " libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k\n" #~ " libnet x86_64 1.1.4-3.fc12 fedora 49 k\n" #~ " librdmacm x86_64 1.0.10-2.fc13 fedora 22 k\n" #~ " lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k\n" #~ " net-snmp x86_64 1:5.5-12.fc13 fedora 295 k\n" #~ " net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M\n" #~ " openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k\n" #~ " pacemaker-libs x86_64 1.1.1-1.fc13 fedora 264 k\n" #~ " perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k\n" #~ " resource-agents x86_64 3.0.10-1.fc13 fedora 357 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=========================================================================================\n" #~ "Install 21 Package(s)\n" #~ "Upgrade 0 Package(s)\n" #~ "\n" #~ "Total download size: 5.7 M\n" #~ "Installed size: 20 M\n" #~ "Downloading Packages:\n" #~ "Setting up and reading Presto delta metadata\n" #~ "updates-testing/prestodelta | 164 kB 00:00 \n" #~ "fedora/prestodelta | 150 B 00:00 \n" #~ "Processing delta metadata\n" #~ "Package(s) data still to download: 5.7 M\n" #~ "(1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 \n" #~ "(2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 \n" #~ "(3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 \n" #~ "(4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 \n" #~ "(5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 \n" #~ "(6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 \n" #~ "(7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 \n" #~ "(8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 \n" #~ "(9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 \n" #~ "(10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 \n" #~ "(11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 \n" #~ "(12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 \n" #~ "(13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 \n" #~ "(14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 \n" #~ "(15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 \n" #~ "(16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 \n" #~ "(17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 \n" #~ "(18/21): pacemaker-1.1.1-1.fc13.x86_64.rpm | 543 kB 00:00 \n" #~ "(19/21): pacemaker-libs-1.1.1-1.fc13.x86_64.rpm | 264 kB 00:00 \n" #~ "(20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 \n" #~ "(21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total 539 kB/s | 5.7 MB 00:10 \n" #~ "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY\n" #~ "fedora/gpgkey | 3.2 kB 00:00 ... \n" #~ "Importing GPG key 0xE8E40FDE \"Fedora (13) <fedora@fedoraproject.org%gt;\" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" #~ " " #~ msgstr "" #~ "\n" #~ "==========================================================================================\n" #~ " Package Arch Version Repository Size\n" #~ "==========================================================================================\n" #~ "Installing:\n" #~ " corosync x86_64 1.2.1-1.fc13 fedora 136 k\n" #~ " pacemaker x86_64 1.1.1-1.fc13 fedora 543 k\n" #~ "Installing for dependencies:\n" #~ " OpenIPMI-libs x86_64 2.0.16-8.fc13 fedora 474 k\n" #~ " PyXML x86_64 0.8.4-17.fc13 fedora 906 k\n" #~ " cluster-glue x86_64 1.0.2-1.fc13 fedora 230 k\n" #~ " cluster-glue-libs x86_64 1.0.2-1.fc13 fedora 116 k\n" #~ " corosynclib x86_64 1.2.1-1.fc13 fedora 145 k\n" #~ " heartbeat x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 172 k\n" #~ " heartbeat-libs x86_64 3.0.0-0.7.0daab7da36a8.hg.fc13 updates 265 k\n" #~ " libesmtp x86_64 1.0.4-12.fc12 fedora 54 k\n" #~ " libibverbs x86_64 1.1.3-4.fc13 fedora 42 k\n" #~ " libmlx4 x86_64 1.0.1-5.fc13 fedora 27 k\n" #~ " libnet x86_64 1.1.4-3.fc12 fedora 49 k\n" #~ " librdmacm x86_64 1.0.10-2.fc13 fedora 22 k\n" #~ " lm_sensors-libs x86_64 3.1.2-2.fc13 fedora 37 k\n" #~ " net-snmp x86_64 1:5.5-12.fc13 fedora 295 k\n" #~ " net-snmp-libs x86_64 1:5.5-12.fc13 fedora 1.5 M\n" #~ " openhpi-libs x86_64 2.14.1-3.fc13 fedora 135 k\n" #~ " pacemaker-libs x86_64 1.1.1-1.fc13 fedora 264 k\n" #~ " perl-TimeDate noarch 1:1.20-1.fc13 fedora 42 k\n" #~ " resource-agents x86_64 3.0.10-1.fc13 fedora 357 k\n" #~ "\n" #~ "Transaction Summary\n" #~ "=========================================================================================\n" #~ "Install 21 Package(s)\n" #~ "Upgrade 0 Package(s)\n" #~ "\n" #~ "Total download size: 5.7 M\n" #~ "Installed size: 20 M\n" #~ "Downloading Packages:\n" #~ "Setting up and reading Presto delta metadata\n" #~ "updates-testing/prestodelta | 164 kB 00:00 \n" #~ "fedora/prestodelta | 150 B 00:00 \n" #~ "Processing delta metadata\n" #~ "Package(s) data still to download: 5.7 M\n" #~ "(1/21): OpenIPMI-libs-2.0.16-8.fc13.x86_64.rpm | 474 kB 00:00 \n" #~ "(2/21): PyXML-0.8.4-17.fc13.x86_64.rpm | 906 kB 00:01 \n" #~ "(3/21): cluster-glue-1.0.2-1.fc13.x86_64.rpm | 230 kB 00:00 \n" #~ "(4/21): cluster-glue-libs-1.0.2-1.fc13.x86_64.rpm | 116 kB 00:00 \n" #~ "(5/21): corosync-1.2.1-1.fc13.x86_64.rpm | 136 kB 00:00 \n" #~ "(6/21): corosynclib-1.2.1-1.fc13.x86_64.rpm | 145 kB 00:00 \n" #~ "(7/21): heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 172 kB 00:00 \n" #~ "(8/21): heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64.rpm | 265 kB 00:00 \n" #~ "(9/21): libesmtp-1.0.4-12.fc12.x86_64.rpm | 54 kB 00:00 \n" #~ "(10/21): libibverbs-1.1.3-4.fc13.x86_64.rpm | 42 kB 00:00 \n" #~ "(11/21): libmlx4-1.0.1-5.fc13.x86_64.rpm | 27 kB 00:00 \n" #~ "(12/21): libnet-1.1.4-3.fc12.x86_64.rpm | 49 kB 00:00 \n" #~ "(13/21): librdmacm-1.0.10-2.fc13.x86_64.rpm | 22 kB 00:00 \n" #~ "(14/21): lm_sensors-libs-3.1.2-2.fc13.x86_64.rpm | 37 kB 00:00 \n" #~ "(15/21): net-snmp-5.5-12.fc13.x86_64.rpm | 295 kB 00:00 \n" #~ "(16/21): net-snmp-libs-5.5-12.fc13.x86_64.rpm | 1.5 MB 00:01 \n" #~ "(17/21): openhpi-libs-2.14.1-3.fc13.x86_64.rpm | 135 kB 00:00 \n" #~ "(18/21): pacemaker-1.1.1-1.fc13.x86_64.rpm | 543 kB 00:00 \n" #~ "(19/21): pacemaker-libs-1.1.1-1.fc13.x86_64.rpm | 264 kB 00:00 \n" #~ "(20/21): perl-TimeDate-1.20-1.fc13.noarch.rpm | 42 kB 00:00 \n" #~ "(21/21): resource-agents-3.0.10-1.fc13.x86_64.rpm | 357 kB 00:00 \n" #~ "----------------------------------------------------------------------------------------\n" #~ "Total 539 kB/s | 5.7 MB 00:10 \n" #~ "warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID e8e40fde: NOKEY\n" #~ "fedora/gpgkey | 3.2 kB 00:00 ... \n" #~ "Importing GPG key 0xE8E40FDE \"Fedora (13) <fedora@fedoraproject.org%gt;\" from /etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-x86_64\n" #~ " " #~ msgid "" #~ "\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 \n" #~ " Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 \n" #~ " Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 \n" #~ " Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 \n" #~ " Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 \n" #~ " Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 \n" #~ " Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 \n" #~ " Installing : corosync-1.2.1-1.fc13.x86_64 8/21 \n" #~ " Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 \n" #~ " Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 \n" #~ " Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 \n" #~ " Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 \n" #~ " Installing : libnet-1.1.4-3.fc12.x86_64 13/21 \n" #~ " Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 \n" #~ " Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 \n" #~ " Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 \n" #~ " Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 \n" #~ " Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 \n" #~ " Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 \n" #~ " Installing : pacemaker-1.1.1-1.fc13.x86_64 20/21 \n" #~ " Installing : pacemaker-libs-1.1.1-1.fc13.x86_64 21/21 \n" #~ "\n" #~ "Installed:\n" #~ " corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.1-1.fc13 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 \n" #~ " PyXML.x86_64 0:0.8.4-17.fc13 \n" #~ " cluster-glue.x86_64 0:1.0.2-1.fc13 \n" #~ " cluster-glue-libs.x86_64 0:1.0.2-1.fc13 \n" #~ " corosynclib.x86_64 0:1.2.1-1.fc13 \n" #~ " heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " libesmtp.x86_64 0:1.0.4-12.fc12 \n" #~ " libibverbs.x86_64 0:1.1.3-4.fc13 \n" #~ " libmlx4.x86_64 0:1.0.1-5.fc13 \n" #~ " libnet.x86_64 0:1.1.4-3.fc12 \n" #~ " librdmacm.x86_64 0:1.0.10-2.fc13 \n" #~ " lm_sensors-libs.x86_64 0:3.1.2-2.fc13 \n" #~ " net-snmp.x86_64 1:5.5-12.fc13 \n" #~ " net-snmp-libs.x86_64 1:5.5-12.fc13 \n" #~ " openhpi-libs.x86_64 0:2.14.1-3.fc13 \n" #~ " pacemaker-libs.x86_64 0:1.1.1-1.fc13 \n" #~ " perl-TimeDate.noarch 1:1.20-1.fc13 \n" #~ " resource-agents.x86_64 0:3.0.10-1.fc13 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgstr "" #~ "\n" #~ "Running rpm_check_debug\n" #~ "Running Transaction Test\n" #~ "Transaction Test Succeeded\n" #~ "Running Transaction\n" #~ " Installing : lm_sensors-libs-3.1.2-2.fc13.x86_64 1/21 \n" #~ " Installing : 1:net-snmp-libs-5.5-12.fc13.x86_64 2/21 \n" #~ " Installing : 1:net-snmp-5.5-12.fc13.x86_64 3/21 \n" #~ " Installing : openhpi-libs-2.14.1-3.fc13.x86_64 4/21 \n" #~ " Installing : libibverbs-1.1.3-4.fc13.x86_64 5/21 \n" #~ " Installing : libmlx4-1.0.1-5.fc13.x86_64 6/21 \n" #~ " Installing : librdmacm-1.0.10-2.fc13.x86_64 7/21 \n" #~ " Installing : corosync-1.2.1-1.fc13.x86_64 8/21 \n" #~ " Installing : corosynclib-1.2.1-1.fc13.x86_64 9/21 \n" #~ " Installing : libesmtp-1.0.4-12.fc12.x86_64 10/21 \n" #~ " Installing : OpenIPMI-libs-2.0.16-8.fc13.x86_64 11/21 \n" #~ " Installing : PyXML-0.8.4-17.fc13.x86_64 12/21 \n" #~ " Installing : libnet-1.1.4-3.fc12.x86_64 13/21 \n" #~ " Installing : 1:perl-TimeDate-1.20-1.fc13.noarch 14/21 \n" #~ " Installing : cluster-glue-1.0.2-1.fc13.x86_64 15/21 \n" #~ " Installing : cluster-glue-libs-1.0.2-1.fc13.x86_64 16/21 \n" #~ " Installing : resource-agents-3.0.10-1.fc13.x86_64 17/21 \n" #~ " Installing : heartbeat-libs-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 18/21 \n" #~ " Installing : heartbeat-3.0.0-0.7.0daab7da36a8.hg.fc13.x86_64 19/21 \n" #~ " Installing : pacemaker-1.1.1-1.fc13.x86_64 20/21 \n" #~ " Installing : pacemaker-libs-1.1.1-1.fc13.x86_64 21/21 \n" #~ "\n" #~ "Installed:\n" #~ " corosync.x86_64 0:1.2.1-1.fc13 pacemaker.x86_64 0:1.1.1-1.fc13 \n" #~ "\n" #~ "Dependency Installed:\n" #~ " OpenIPMI-libs.x86_64 0:2.0.16-8.fc13 \n" #~ " PyXML.x86_64 0:0.8.4-17.fc13 \n" #~ " cluster-glue.x86_64 0:1.0.2-1.fc13 \n" #~ " cluster-glue-libs.x86_64 0:1.0.2-1.fc13 \n" #~ " corosynclib.x86_64 0:1.2.1-1.fc13 \n" #~ " heartbeat.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " heartbeat-libs.x86_64 0:3.0.0-0.7.0daab7da36a8.hg.fc13 \n" #~ " libesmtp.x86_64 0:1.0.4-12.fc12 \n" #~ " libibverbs.x86_64 0:1.1.3-4.fc13 \n" #~ " libmlx4.x86_64 0:1.0.1-5.fc13 \n" #~ " libnet.x86_64 0:1.1.4-3.fc12 \n" #~ " librdmacm.x86_64 0:1.0.10-2.fc13 \n" #~ " lm_sensors-libs.x86_64 0:3.1.2-2.fc13 \n" #~ " net-snmp.x86_64 1:5.5-12.fc13 \n" #~ " net-snmp-libs.x86_64 1:5.5-12.fc13 \n" #~ " openhpi-libs.x86_64 0:2.14.1-3.fc13 \n" #~ " pacemaker-libs.x86_64 0:1.1.1-1.fc13 \n" #~ " perl-TimeDate.noarch 1:1.20-1.fc13 \n" #~ " resource-agents.x86_64 0:3.0.10-1.fc13 \n" #~ "\n" #~ "Complete!\n" #~ "[root@pcmk-1 ~]# \n" #~ " " #~ msgid "Verify Connectivity by IP address" #~ msgstr "通过IP地址来检查连接" #~ msgid "Set up /etc/hosts entries" #~ msgstr "否则，我们修改/etc/hosts文件来达到相同的效果:" #~ msgid "Verify Connectivity by Hostname" #~ msgstr "通过机器名检查连接" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1.clusterlabs.org\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1.clusterlabs.org\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# source /etc/sysconfig/network\n" #~ "[root@pcmk-1 ~]# hostname $HOSTNAME\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# source /etc/sysconfig/network\n" #~ "[root@pcmk-1 ~]# hostname $HOSTNAME\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# uname -n\n" #~ "pcmk-1\n" #~ "[root@pcmk-1 ~]# dnsdomainname \n" #~ "clusterlabs.org\n" #~ " " #~ msgid "Now repeat on pcmk-2." #~ msgstr "现在在pcmk-2上面重复以上操作." #~ msgid "Choose a port number and multi-cast http://en.wikipedia.org/wiki/Multicast address. http://en.wikipedia.org/wiki/Multicast_address " #~ msgstr "选择一个组播 http://en.wikipedia.org/wiki/Multicast 端口和地址。 http://en.wikipedia.org/wiki/Multicast_address " #~ msgid "For this document, I have chosen port 4000 and used 226.94.1.1 as the multi-cast address." #~ msgstr "在这个文档中，我选择端口4000并且用226.94.1.1作为组播地址:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# export ais_port=4000\n" #~ "[root@pcmk-1 ~]# export ais_mcast=226.94.1.1\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# export ais_port=4000\n" #~ "[root@pcmk-1 ~]# export ais_mcast=226.94.1.1\n" #~ " " #~ msgid "Next we automatically determine the hosts address. By not using the full address, we make the configuration suitable to be copied to other nodes." #~ msgstr "然后我们用下面的命令自动获得机器的地址。为了让配置文件能够在机器上面的各个机器通用，我们不使用完整的IP地址而使用网络地址。（译者注:corosync配置文件中的监听地址一项可以填写网络地址，corosync会自动匹配应该监听在哪个地址而不是0.0.0.0）" #~ msgid "[root@pcmk-1 ~]# export ais_addr=`ip addr | grep \"inet \" | tail -n 1 | awk '{print $4}' | sed s/255/0/`" #~ msgstr "[root@pcmk-1 ~]# export ais_addr=`ip addr | grep \"inet \" | tail -n 1 | awk '{print $4}' | sed s/255/0/`" #~ msgid "Display and verify the configuration options" #~ msgstr "显示并检查配置的环境变量是否正确" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# env | grep ais_\n" #~ "ais_mcast=226.94.1.1\n" #~ "ais_port=4000\n" #~ "ais_addr=192.168.122.0\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# env | grep ais_\n" #~ "ais_mcast=226.94.1.1\n" #~ "ais_port=4000\n" #~ "ais_addr=192.168.122.0\n" #~ " " #~ msgid "Once you’re happy with the chosen values, update the Corosync configuration" #~ msgstr "确认以上输出没有错误以后，我们用以下命令来配置corosync" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastaddr:.*/mcastaddr:\\ $ais_mcast/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastport:.*/mcastport:\\ $ais_port/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*bindnetaddr:.*/bindnetaddr:\\ $ais_addr/g\" /etc/corosync/corosync.conf\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastaddr:.*/mcastaddr:\\ $ais_mcast/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*mcastport:.*/mcastport:\\ $ais_port/g\" /etc/corosync/corosync.conf\n" #~ "[root@pcmk-1 ~]# sed -i.bak \"s/.*bindnetaddr:.*/bindnetaddr:\\ $ais_addr/g\" /etc/corosync/corosync.conf\n" #~ " " #~ msgid "Finally, tell Corosync to start Pacemaker" #~ msgstr "最后，告诉corosync要启动pacemaker" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk\n" #~ "service {\n" #~ " # Load the Pacemaker Cluster Resource Manager\n" #~ " name: pacemaker\n" #~ " ver: 0\n" #~ "}\n" #~ "END\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# cat <<-END >>/etc/corosync/service.d/pcmk\n" #~ "service {\n" #~ " # Load the Pacemaker Cluster Resource Manager\n" #~ " name: pacemaker\n" #~ " ver: 0\n" #~ "}\n" #~ "END\n" #~ " " #~ msgid "Propagate the Configuration" #~ msgstr " 传送配置文件" #~ msgid "Now we need to copy the changes so far to the other node:" #~ msgstr "然后我们把配置文件拷贝到其他节点:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done\n" #~ "corosync.conf 100% 1528 1.5KB/s 00:00\n" #~ "hosts 100% 281 0.3KB/s 00:00\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# for f in /etc/corosync/corosync.conf /etc/corosync/service.d/pcmk /etc/hosts; do scp $f pcmk-2:$f ; done\n" #~ "corosync.conf 100% 1528 1.5KB/s 00:00\n" #~ "hosts 100% 281 0.3KB/s 00:00\n" #~ "[root@pcmk-1 ~]#\n" #~ " " #~ msgid "Burn the disk image to a DVD" #~ msgstr "把整个镜像刻录成一个DVD光盘" #~ msgid " http://docs.fedoraproject.org/readme-burning-isos/en-US.html " #~ msgstr " http://docs.fedoraproject.org/readme-burning-isos/en-US.html " #~ msgid "and boot from it. Or use the image to boot a virtual machine as I have done here. After clicking through the welcome screen, select your language and keyboard layout" #~ msgstr "并从它启动。或者就像我一样启动一个虚拟机. 在点击欢迎界面的NETX后 ，我们要开始选择语言和键盘类型" #~ msgid " http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgstr " http://docs.fedoraproject.org/install-guide/f&DISTRO_VERSION;/en-US/html/s1-langselection-x86.html " #~ msgid "Assign your machine a host name." #~ msgstr "给你的机器取个名字。" #~ msgid "I happen to control the clusterlabs.org domain name, so I will use that here." #~ msgstr "我正好能控制clusterlabs.org 这个域名，所以我用这个名字。" #~ msgid "You will then be prompted to indicate the machine’s physical location and to supply a root password." #~ msgstr "然后你会被提示选择机器所在地并设定root密码" #~ msgid "Now select where you want Fedora installed." #~ msgstr "然后你选择想在把Fedora安装在哪" #~ msgid "http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html" #~ msgstr "http://docs.fedoraproject.org/install-guide/f13/en-US/html/s1-diskpartsetup-x86.html" #~ msgid "Once the node reboots, follow the on screen instructions" #~ msgstr "一旦系统重启完毕你可以看到以下界面" #~ msgid "to create a system user and configure the time." #~ msgstr "，然后配置用户和设定时间。" #~ msgid "Choose a port number and multi-cast" #~ msgstr "选择一个组播" #~ msgid "http://en.wikipedia.org/wiki/Multicast" #~ msgstr "http://en.wikipedia.org/wiki/Multicast" #~ msgid "address." #~ msgstr "端口和地址。" #~ msgid "http://en.wikipedia.org/wiki/Multicast_address" #~ msgstr "http://en.wikipedia.org/wiki/Multicast_address" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Intro.mo000066400000000000000000000337651217637305600242710ustar00rootroot000000000000004G\xyP+|=H8#. >0 o ( a 9 N "  S as"qy6! ABK3[5"fO!<^',2_<zv~ ")L_ FD"""4w#'##q$*$=$$ %M$%-r%%r8' )P) **!+1+B++,,X,%, -E+-q-z-'-&--h-a.!h/|/001#1 112]3sS44+4 59!5[7/% 2$ ) *,'4(0." -3 1!&#+A brain (illustrated in green) that processes and reacts to events from the cluster (nodes leaving or joining) and resources (eg. monitor failures) as well as configuration changes from the administrator. In response to all of these events, Pacemaker will compute the ideal state of the cluster and plot a path to achieve it. This may include moving resources, stopping nodes and even forcing them offline with remote power switches.Ability to specify cluster-wide service ordering, colocation and anti-colocationActive/Passive RedundancyAdditionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster.At the highest level, the cluster is made up of three pieces:Automatically replicated configuration that can be updated from any nodeBy supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup nodeCIB (aka. Cluster Information Base)CRMd (aka. Cluster Resource Management daemon)Clones: for services which need to be active on multiple nodesConceptual Stack OverviewConceptual overview of the cluster stackCore cluster infrastructure providing messaging and membership functionality (illustrated in red)Detection and recovery of node and service-level failuresFor those that are allergic to XML, Pacemaker comes with a cluster shell and a Python based GUI exists, however these tools will not be covered at all in this document It is hoped however, that having understood the concepts explained here, that the functionality of these tools will also be more readily understood. , precisely because they hide the XML.In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest.Internal ComponentsMulti-state: for services with multiple modes (eg. master/slave, primary/secondary)N to N RedundancyNon-cluster aware components (illustrated in blue). In a Pacemaker cluster, these pieces include not only the scripts that knows how to start, stop and monitor resources, but also a local daemon that masks the differences between the different standards these scripts implement.PEngine (aka. PE or Policy Engine)Pacemaker ArchitecturePacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat).Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N.Pacemaker's key features include:Read-Me-FirstResource agnostic, anything that can be scripted can be clusteredSTONITHdShared FailoverStorage agnostic, no requirement for shared storageSubsystems of a Pacemaker cluster running on CorosyncSupport for advanced services typeSupports STONITH for ensuring data integritySupports both quorate and resource driven clustersSupports large and small clustersSupports practically any redundancy configurationThe CIB uses XML to represent both the cluster's configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved.The DC carries out the PEngine's instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process).The Pacemaker StackThe Pacemaker stack when running on CorosyncThe Scope of this DocumentThe peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results.The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this best, it will focus exclusively on the XML syntax used to configure the CIB.This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail... a new one is quickly established.Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations.Types of Pacemaker ClustersUnified, scriptable, cluster shellWhat Is Pacemaker?When combined with Corosync, Pacemaker also supports popular open source cluster filesystems Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services.When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload.Project-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-16 00:15+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 大脑(绿色部分)处理并响应来自集群和资源的事件(比如节点的离开和加入，资源的失效) ，以及管理员对配置文件的修改。在对所有这些事件的响应中，Pacemaker会计算集群理想的状态，并规划一个途径来实现它。这个操作可能会包含移动资源，停止节点，甚至使用远程电源管理来强制使他们下线。可以设定集群范围内的ordering, colocation and anti-colocationActive/Passive 冗余此外，本文不是一个手把手地教你配置特定集群方案的how-to guide。尽管有很多这样的内容，但是本文的主要目的是让大家理解配置Pacemaker所需要用到的各种组件。在最高一个层次，集群由三个部分组成:自动同步各个节点的配置文件正是因为支持很多节点，Pacemaker可以让多个主备模式的集群集成起来并共享一个备用节点，从而大幅度的减少硬件成本CIB (aka. 集群信息基础)CRMd (aka. 集群资源管理守护进程)Clones:为那些要在多个节点运行的服务所准备的概念层次总览集群概念层次总览提供消息和集群关系功能的集群核心基础组件(标红的部分)监测并恢复节点和服务级别的故障对于那些特别讨厌XML的人，Pacemaker有一个集群shell和基于Python的GUI，但是本文没有包含这些工具的使用 明白了本文的内容以后，会更容易理解那些工具的功能，当然这只是希望。 ， 正是因为它们隐藏了XML细节。(译者注:本文中基本是crm shell来操作的，这里应该是老版本文档的遗留)在某些情况下，可能会需要关闭节点的电源来保证共享数据的完整性或是完全地恢复资源。为此Pacemaker引入了STONITHd。STONITH是 Shoot-The-Other-Node-In-The-Head(爆其他节点的头)的缩写，并且通常是靠远程电源开关来实现的。在Pacemaker中，STONITH设备被当成资源(并且是在CIB中配置)从而轻松地监控，然而STONITHd会注意理解STONITH拓扑，比如它的客户端请求隔离一个节点，它会重启那个机器。(译者注:就是说不同的爆头设备驱动会对相同的请求有不同的理解，这些都是在驱动中定义的。)内部组件Multi-state:为那些有多种模式的服务准备的。(比如.主从, 主备)N to N 冗余集群无关的组件(蓝色的部分)。在Pacemaker架构中，这部分不仅包含有怎么样启动，关闭，监控资源的脚本，而且还有一个本地的守护进程来消除这些脚本实现的(采用的)不同标准之间的差异PEngine (aka. PE or 策略引擎)Pacemaker 架构Pacemaker是一个集群资源管理者。他用资源级别的监测和恢复来保证集群服务(aka. 资源)的最大可用性。它可以用你所擅长的基础组件(Corosync或者是Heartbeat)来实现通信和关系管理。Pacemaker本身由四个关键组件组成:Pacemaker对你的环境没有特定的要求，这使得它支持任何的冗余配置，包括 Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N。Pacemaker包含以下的关键特性:Read-Me-First资源无关，任何能用脚本控制的资源都可以作为服务STONITHd共享失效备援存储无关，并不需要共享存储基于Corosync的Pacemaker的子系统支持高级的服务模式支持使用STONITH来保证数据一致性。clusters 支持 quorate(法定人数) 或 resource(资源) 驱动的集群支持大型或者小型的集群支持任何的 冗余配置CIB用XML来展示集群的配置和资源的当前状态。 CIB的内容会自动地在集群之间同步，并被PEngine用来来计算集群的理想状态和如何达到这个理想状态。DC会按顺序处理PEngine的指令，然后把他们发送给LRMd(本地资源管理守护进程) 或者通过集群消息层发送给其他CRMd成员(就是把这些指令依次传给LRMd)。Pacemaker 层次Pacemaker采用Corosync时的层次本文范围节点会把他们所有操作的日志发给DC，然后根据预期的结果和实际的结果(之间的差异)， 执行下一个等待中的命令，或者取消操作，并让PEngine根据非预期的结果重新计算集群的理想状态。本文的目的是透彻地解释用于配置Pacemaker的概念。为了达到最好的效果，本文会主要关注于用于配置CIB的XML格式。这个指令列表然后会被交给DC(指定协调者)。 Pacemaker会推举一个CRMd实例作为master来集中做出所有决策。如果推举的CRMd繁忙中，或者这个节点不够稳定... 一个新的master会马上被推举出来。使用Pacemaker和DRBD的双节点主备方案作为一种经济的解决方案被很多高可用环境所采用。Pacemaker 集群的种类统一的，可脚本控制的cluster shell什么是Pacemaker?当与Corosync集成时，Pacemaker也支持常见的开源集群文件系统 尽管Pacemaker也支持Heartbeat，但是文件系统也要用基层软件来通信和维护节点关系，Corosync看来是他们的标准，技术上来说，让它们支持Heartbeat也是可能的，但是看起来他们没多大兴趣 ，根据来着集群文件系统社区的最新标准，他们用一个通用的分布式锁控制器，它靠Corosync通信并且用Pacemaker管理成员关系(哪些节点是开启或关闭的)和隔离服务。当有共享存储设备是，每个节点都成为潜在的备援节点。Pacemaker甚至可以在不同的节点上跑相同的服务来负载均衡。pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Intro.po000066400000000000000000000457341217637305600242730ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:15+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "Read-Me-First" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "本文范围" #. Tag: para #, no-c-format msgid "Computer clusters can be used to provide highly available services or resources. The redundancy of multiple machines is used to guard against failures of many types." msgstr "" #. Tag: para #, no-c-format msgid "This document will walk through the installation and setup of simple clusters using the Fedora distribution, version 17." msgstr "" #. Tag: para #, no-c-format msgid "The clusters described here will use Pacemaker and Corosync to provide resource management and messaging. Required packages and modifications to their configuration files are described along with the use of the Pacemaker command line tool for generating the XML used for cluster control." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is a central component and provides the resource management required in these systems. This management includes detecting and recovering from the failure of various nodes, resources and services under its control." msgstr "" #. Tag: para #, no-c-format msgid "When more in depth information is required and for real world usage, please refer to the Pacemaker Explained manual." msgstr "" #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "什么是Pacemaker?" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat)." msgstr "Pacemaker是一个集群资源管理者。他用资源级别的监测和恢复来保证集群服务(aka. 资源)的最大可用性。它可以用你所擅长的基础组件(Corosync或者是Heartbeat)来实现通信和关系管理。" #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker’s key features include:" msgstr "Pacemaker包含以下的关键特性:" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "监测并恢复节点和服务级别的故障" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "存储无关，并不需要共享存储" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "资源无关，任何能用脚本控制的资源都可以作为服务" #. Tag: para #, fuzzy, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "支持使用STONITH来保证数据一致性。" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "支持大型或者小型的集群" #. Tag: para #, fuzzy, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "支持大型或者小型的集群" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "自动同步各个节点的配置文件" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "可以设定集群范围内的ordering, colocation and anti-colocation" #. Tag: para #, fuzzy, no-c-format msgid "Support for advanced service types" msgstr "支持高级的服务模式" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "Clones:为那些要在多个节点运行的服务所准备的" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "Multi-state:为那些有多种模式的服务准备的。(比如.主从, 主备)" #. Tag: para #, fuzzy, no-c-format msgid "Unified, scriptable, cluster management tools." msgstr "统一的，可脚本控制的cluster shell" #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "Pacemaker 架构" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "在最高一个层次，集群由三个部分组成:" #. Tag: para #, fuzzy, no-c-format msgid "Non-cluster aware components (illustrated in green). These pieces include the resources themselves, scripts that start, stop and monitor them, and also a local daemon that masks the differences between the different standards these scripts implement." msgstr "集群无关的组件(蓝色的部分)。在Pacemaker架构中，这部分不仅包含有怎么样启动，关闭，监控资源的脚本，而且还有一个本地的守护进程来消除这些脚本实现的(采用的)不同标准之间的差异" #. Tag: para #, fuzzy, no-c-format msgid "Resource management Pacemaker provides the brain (illustrated in blue) that processes and reacts to events regarding the cluster. These events include nodes joining or leaving the cluster; resource events caused by failures, maintenance, scheduled activities; and other administrative actions. Pacemaker will compute the ideal state of the cluster and plot a path to achieve it after any of these events. This may include moving resources, stopping nodes and even forcing them offline with remote power switches." msgstr "大脑(绿色部分)处理并响应来自集群和资源的事件(比如节点的离开和加入，资源的失效) ，以及管理员对配置文件的修改。在对所有这些事件的响应中，Pacemaker会计算集群理想的状态，并规划一个途径来实现它。这个操作可能会包含移动资源，停止节点，甚至使用远程电源管理来强制使他们下线。" #. Tag: para #, fuzzy, no-c-format msgid "Low level infrastructure Corosync provides reliable messaging, membership and quorum information about the cluster (illustrated in red)." msgstr "提供消息和集群关系功能的集群核心基础组件(标红的部分)" #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "概念层次总览" #. Tag: phrase #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "集群概念层次总览" #. Tag: para #, fuzzy, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this." msgstr "虽然Pacemaker也支持Heartbeat，文件系统也需要一个基层软件来通信和保持关系，Corosync看起来是他们的标准。技术上来说，他们支持Heartbeat也是可能的，但是看起来他们没什么兴趣。" #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "，根据来着集群文件系统社区的最新标准，他们用一个通用的分布式锁控制器，它用Corosync来通信并且用Pacemaker来管理关系(那些节点是开启或关闭的)和隔离服务。" #. Tag: title #, no-c-format msgid "The Pacemaker Stack" msgstr "Pacemaker 层次" #. Tag: phrase #, fuzzy, no-c-format msgid "The Pacemaker StackThe Pacemaker stack when running on Corosync" msgstr "Pacemaker采用Corosync时的层次" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "内部组件" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "Pacemaker本身由四个关键组件组成:" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "CIB (aka. 集群信息基础)" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "CRMd (aka. 集群资源管理守护进程)" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "PEngine (aka. PE or 策略引擎)" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "STONITHd" #. Tag: phrase #, no-c-format msgid "Subsystems of a Pacemaker cluster running on Corosync" msgstr "基于Corosync的Pacemaker的子系统" #. Tag: para #, fuzzy, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "CIB用XML来展示集群的配置和资源的当前状态。 CIB的内容会自动地在集群之间同步，并被PEngine用来来计算集群的理想状态和如何达到这个理想状态。" #. Tag: para #, fuzzy, no-c-format msgid "This list of instructions is then fed to the DC (Designated Co-ordinator). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process, or the node it is on, fail… a new one is quickly established." msgstr "这个指令列表然后会被交给DC(指定协调者)。 Pacemaker会推举一个CRMd实例作为master来集中做出所有决策。如果推举的CRMd繁忙中，或者这个节点不够稳定... 一个新的master会马上被推举出来。" #. Tag: para #, fuzzy, no-c-format msgid "The DC carries out the PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "DC会按顺序处理PEngine的指令，然后把他们发送给LRMd(本地资源管理守护进程) 或者通过集群消息层发送给其他CRMd成员(就是把这些指令依次传给LRMd)。" #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "节点会把他们所有操作的日志发给DC，然后根据预期的结果和实际的结果(之间的差异)， 执行下一个等待中的命令，或者取消操作，并让PEngine根据非预期的结果重新计算集群的理想状态。" #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "在某些情况下，可能会需要关闭节点的电源来保证共享数据的完整性或是完全地恢复资源。为此Pacemaker引入了STONITHd。STONITH是 Shoot-The-Other-Node-In-The-Head(爆其他节点的头)的缩写，并且通常是靠远程电源开关来实现的。在Pacemaker中，STONITH设备被当成资源(并且是在CIB中配置)从而轻松地监控，然而STONITHd会注意理解STONITH拓扑，比如它的客户端请求隔离一个节点，它会重启那个机器。(译者注:就是说不同的爆头设备驱动会对相同的请求有不同的理解，这些都是在驱动中定义的。)" #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "Pacemaker 集群的种类" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "Pacemaker对你的环境没有特定的要求，这使得它支持任何的冗余配置，包括 Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N。" #. Tag: para #, no-c-format msgid "In this document we will focus on the setup of a highly available Apache web server with an Active/Passive cluster using DRBD and Ext4 to store data. Then, we will upgrade this cluster to Active/Active using GFS2." msgstr "" #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "Active/Passive 冗余" #. Tag: phrase #, fuzzy, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations" msgstr "使用Pacemaker和DRBD的双节点主备方案作为一种经济的解决方案被很多高可用环境所采用。" #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "N to N 冗余" #. Tag: phrase #, fuzzy, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload" msgstr "当有共享存储设备是，每个节点都成为潜在的备援节点。Pacemaker甚至可以在不同的节点上跑相同的服务来负载均衡。" #~ msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this best, it will focus exclusively on the XML syntax used to configure the CIB." #~ msgstr "本文的目的是透彻地解释用于配置Pacemaker的概念。为了达到最好的效果，本文会主要关注于用于配置CIB的XML格式。" #~ msgid "For those that are allergic to XML, Pacemaker comes with a cluster shell and a Python based GUI exists, however these tools will not be covered at all in this document It is hoped however, that having understood the concepts explained here, that the functionality of these tools will also be more readily understood. , precisely because they hide the XML." #~ msgstr "对于那些特别讨厌XML的人，Pacemaker有一个集群shell和基于Python的GUI，但是本文没有包含这些工具的使用 明白了本文的内容以后，会更容易理解那些工具的功能，当然这只是希望。 ， 正是因为它们隐藏了XML细节。(译者注:本文中基本是crm shell来操作的，这里应该是老版本文档的遗留)" #~ msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster." #~ msgstr "此外，本文不是一个手把手地教你配置特定集群方案的how-to guide。尽管有很多这样的内容，但是本文的主要目的是让大家理解配置Pacemaker所需要用到的各种组件。" #~ msgid "Supports both quorate and resource driven clusters" #~ msgstr "clusters 支持 quorate(法定人数) 或 resource(资源) 驱动的集群" #~ msgid "Supports practically any redundancy configuration" #~ msgstr "支持任何的 冗余配置" #~ msgid "Shared Failover" #~ msgstr "共享失效备援" #~ msgid "By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node" #~ msgstr "正是因为支持很多节点，Pacemaker可以让多个主备模式的集群集成起来并共享一个备用节点，从而大幅度的减少硬件成本" #~ msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." #~ msgstr "当与Corosync集成时，Pacemaker也支持常见的开源集群文件系统 尽管Pacemaker也支持Heartbeat，但是文件系统也要用基层软件来通信和维护节点关系，Corosync看来是他们的标准，技术上来说，让它们支持Heartbeat也是可能的，但是看起来他们没多大兴趣 ，根据来着集群文件系统社区的最新标准，他们用一个通用的分布式锁控制器，它靠Corosync通信并且用Pacemaker管理成员关系(哪些节点是开启或关闭的)和隔离服务。" #~ msgid "For those that are allergic to XML, Pacemaker comes with a cluster shell and a Python based GUI exists, however these tools will not be covered at all in this document" #~ msgstr "对于那些特别讨厌XML的人，Pacemaker有一个集群shell和基于Python的GUI，但是本文没有包含这些工具的使用" #~ msgid "It is hoped however, that having understood the concepts explained here, that the functionality of these tools will also be more readily understood." #~ msgstr "这只是希望，如果理解了这里的内容，那些工具的功能可以更好理解。" #~ msgid ", precisely because they hide the XML." #~ msgstr "， 正是因为它们隐藏了XML细节" #~ msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems" #~ msgstr "当与Corosync集成时，Pacemaker也支持常见的开源集群文件系统" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Shared-Storage.mo000066400000000000000000001152401217637305600257730ustar00rootroot000000000000008O 5 @I ;^!$U,a(00d3T9N<U=c\?z?G;@@@@@A[}CC0DDDD`EC^FFGGxG5vHH1IqIRJjJG2KzKK;4LpLwL)L$MlMK%OqOONP`QWY@\ ]_b[dOf^IkpUYya|}ۅՈU9GHe ЌlJjL0B"=eM0vȓ?lOf]q; G{TЗoMZ6 ߙ )+$ '75(0%/4&6!*. - 2 ,"831# [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm node online [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:13:25 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-2 ]         Slaves: [ pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 [root@pcmk-1 ~]# crm node standby [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:09:57 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Node pcmk-1: standby Online: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-2 ]         Stopped: [ WebData:1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 [root@pcmk-1 ~]# crm cib crm(live)# [root@pcmk-1 ~]# crm crm(live)# cib new fs INFO: fs shadow CIB created crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start [root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57  1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----     ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064         [=====>..............] sync'ed: 33.4% (10064/12248)K         finish: 0:00:37 speed: 240 (240) K/sec [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57  1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----     ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0 [root@pcmk-1 ~]# drbdadm create-md wwwdata md_offset 12578816 al_offset 12546048 bm_offset 12541952 Found some data  ==> This might destroy existing data! <== Do you want to proceed? [need to type 'yes' to confirm] yes Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success [root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup   Logical volume "drbd-demo" created [root@pcmk-1 ~]# lvs   LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   drbd-demo VolGroup -wi-a- 1.00G                                         lv_root   VolGroup -wi-ao   7.30G                                         lv_swap   VolGroup -wi-ao 500.00M [root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1 mke2fs 1.41.4 (27-Jan-2009) Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) 3072 inodes, 12248 blocks 612 blocks (5.00%) reserved for the super user First data block=1 Maximum filesystem blocks=12582912 2 block groups 8192 blocks per group, 8192 fragments per group 1536 inodes per group Superblock backups stored on blocks:         8193 Writing inode tables: done                             Creating journal (1024 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 26 mounts or 180 days, whichever comes first.  Use tune2fs -c or -i to override. Now mount the newly created filesystem so we can create our index file mount /dev/drbd1 /mnt/ cat <<-END >/mnt/index.html <html> <body>My Test Site - drbd</body> </html> END umount /dev/drbd1 [root@pcmk-1 ~]# mount /dev/drbd1 /mnt/ [root@pcmk-1 ~]# cat <<-END >/mnt/index.html > <html> > <body>My Test Site - drbd</body> > </html> > END [root@pcmk-1 ~]# umount /dev/drbd1 [root@pcmk-1 ~]# modprobe drbd [root@pcmk-1 ~]# drbdadm up wwwdata [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248 [root@pcmk-1 ~]# Repeat on the second node drbdadm --force create-md wwwdata modprobe drbd drbdadm up wwwdata cat /proc/drbd [root@pcmk-2 ~]# drbdadm --force create-md wwwdata Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success [root@pcmk-2 ~]# modprobe drbd WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/. [root@pcmk-2 ~]# drbdadm up wwwdata [root@pcmk-2 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248 [root@pcmk-1 ~]# yum install -y drbd-pacemaker Loaded plugins: presto, refresh-packagekit Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package drbd-pacemaker.x86_64 0:8.3.7-2.fc13 set to be updated --> Processing Dependency: drbd-utils = 8.3.7-2.fc13 for package: drbd-pacemaker-8.3.7-2.fc13.x86_64 --> Running transaction check ---> Package drbd-utils.x86_64 0:8.3.7-2.fc13 set to be updated --> Finished Dependency Resolution Dependencies Resolved ================================================================================= Package Arch Version Repository Size ================================================================================= Installing: drbd-pacemaker x86_64 8.3.7-2.fc13 fedora 19 k Installing for dependencies: drbd-utils x86_64 8.3.7-2.fc13 fedora 165 k Transaction Summary ================================================================================= Install 2 Package(s) Upgrade 0 Package(s) Total download size: 184 k Installed size: 427 k Downloading Packages: Setting up and reading Presto delta metadata fedora/prestodelta | 1.7 kB 00:00 Processing delta metadata Package(s) data still to download: 184 k (1/2): drbd-pacemaker-8.3.7-2.fc13.x86_64.rpm | 19 kB 00:01 (2/2): drbd-utils-8.3.7-2.fc13.x86_64.rpm | 165 kB 00:02 --------------------------------------------------------------------------------- Total 45 kB/s | 184 kB 00:04 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : drbd-utils-8.3.7-2.fc13.x86_64 1/2 Installing : drbd-pacemaker-8.3.7-2.fc13.x86_64 2/2 Installed: drbd-pacemaker.x86_64 0:8.3.7-2.fc13 Dependency Installed: drbd-utils.x86_64 0:8.3.7-2.fc13 Complete! [root@pcmk-1 ~]# [root@pcmk-2 ~]# lvs   LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   lv_root VolGroup -wi-ao   7.30G                                         lv_swap VolGroup -wi-ao 500.00M                                       [root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup   Logical volume "drbd-demo" created [root@pcmk-2 ~]# lvs   LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   drbd-demo VolGroup -wi-a- 1.00G                                         lv_root   VolGroup -wi-ao   7.30G                                         lv_swap   VolGroup -wi-ao 500.00M cib crm(live)# cib new drbd INFO: drbd shadow CIB created crm(drbd)# crm(drbd)# cib commit drbd INFO: commited 'drbd' shadow CIB to the cluster crm(drbd)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 09:37:13 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 3 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite (ocf::heartbeat:apache):        Started pcmk-1 Master/Slave Set: WebDataClone Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \         op monitor interval=60s crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \         clone-max=2 clone-node-max=1 notify=true crm(drbd)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(fs)# cib commit fs INFO: commited 'fs' shadow CIB to the cluster crm(fs)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:08:44 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite global {   usage-count yes; } common {   protocol C; } resource wwwdata {   meta-disk internal;   device    /dev/drbd1;   syncer {     verify-alg sha1;   }   net {     allow-two-primaries;   }   on pcmk-1 {     disk      /dev/mapper/VolGroup-drbd--demo;     address   192.168.122.101:7789;   }   on pcmk-2 {     disk      /dev/mapper/VolGroup-drbd--demo;     address   192.168.122.102:7789;   } } After reviewing the new configuration, we again upload it and watch the cluster put it into effect.Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide.Before we configure DRBD, we need to set aside some disk for it to use.Configure DRBDConfigure the Cluster for DRBDCreate A Partition for DRBDDetailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.htmlEven if you’re serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, its not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details.First we launch the shell. The prompt will change to indicate you’re in interactive mode.If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata.Include details on adding a second DRBD resourceInitialize and Load DRBDInstall the DRBD PackagesNext we must create a working copy or the current configuration. This is where all our changes will go. The cluster will not see any of them until we say its ok. Notice again how the prompt changes, this time to indicate that we’re no longer looking at the live cluster.Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1.Now load the DRBD kernel module and confirm that everything is saneNow that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem’s definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted).Now we can create our DRBD clone and display the revised configuration.Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1:Once again we’ll use the shell’s interactive modeOnce we’re happy with the changes, we can tell the cluster to start using them and use crm_mon to check everything is functioning.Once we’ve done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again.One handy feature of the crm shell is that you can use it in interactive mode to make several changes atomically.Populate DRBD with DataPut the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node’s status will change to indicate that it can no longer host resources.Repeat this on the second node, be sure to use the same size partition.Replicated Storage with DRBDSince its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD ships with &DISTRO; &DISTRO_VERSION;. All you need to do is install it:TODO: Explain the reason for the allow-two-primaries optionTesting MigrationThere is no series of commands for build a DRBD configuration, so simply copy the configuration below to /etc/drbd.confTime to review the updated configuration:We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start.We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called “standby mode”. Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources’ packages.With the configuration in place, we can now perform the DRBD initializationWrite the DRBD Configpcmk-1 is now in the Primary state which allows it to be written to. Which means its a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource.Project-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-16 00:32+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [root@pcmk-1 ~]# crm configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" ms WebDataClone WebData \         meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation WebSite-with-WebFS inf: WebSite WebFS colocation fs_on_drbd inf: WebFS WebDataClone:Master colocation website-with-ip inf: WebSite ClusterIP order WebFS-after-WebData inf: WebDataClone:promote WebFS:start order WebSite-after-WebFS inf: WebFS WebSite order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” [root@pcmk-1 ~]# crm node online [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:13:25 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-2 ]         Slaves: [ pcmk-1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 [root@pcmk-1 ~]# crm node standby [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:09:57 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Node pcmk-1: standby Online: [ pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2 WebSite (ocf::heartbeat:apache):        Started pcmk-2 Master/Slave Set: WebDataClone         Masters: [ pcmk-2 ]         Stopped: [ WebData:1 ] WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2 [root@pcmk-1 ~]# crm cib crm(live)# [root@pcmk-1 ~]# crm crm(live)# cib new fs INFO: fs shadow CIB created crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype="ext4" crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start [root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57  1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----     ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064         [=====>..............] sync'ed: 33.4% (10064/12248)K         finish: 0:00:37 speed: 240 (240) K/sec [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57  1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----     ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0 [root@pcmk-1 ~]# drbdadm create-md wwwdata md_offset 12578816 al_offset 12546048 bm_offset 12541952 Found some data  ==> This might destroy existing data! <== Do you want to proceed? [need to type 'yes' to confirm] yes Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success [root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup   Logical volume "drbd-demo" created [root@pcmk-1 ~]# lvs   LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   drbd-demo VolGroup -wi-a- 1.00G                                         lv_root   VolGroup -wi-ao   7.30G                                         lv_swap   VolGroup -wi-ao 500.00M [root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1 mke2fs 1.41.4 (27-Jan-2009) Filesystem label= OS type: Linux Block size=1024 (log=0) Fragment size=1024 (log=0) 3072 inodes, 12248 blocks 612 blocks (5.00%) reserved for the super user First data block=1 Maximum filesystem blocks=12582912 2 block groups 8192 blocks per group, 8192 fragments per group 1536 inodes per group Superblock backups stored on blocks:         8193 Writing inode tables: done                             Creating journal (1024 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 26 mounts or 180 days, whichever comes first.  Use tune2fs -c or -i to override. Now mount the newly created filesystem so we can create our index file mount /dev/drbd1 /mnt/ cat <<-END >/mnt/index.html <html> <body>My Test Site - drbd</body> </html> END umount /dev/drbd1 [root@pcmk-1 ~]# mount /dev/drbd1 /mnt/ [root@pcmk-1 ~]# cat <<-END >/mnt/index.html > <html> > <body>My Test Site - drbd</body> > </html> > END [root@pcmk-1 ~]# umount /dev/drbd1 [root@pcmk-1 ~]# modprobe drbd [root@pcmk-1 ~]# drbdadm up wwwdata [root@pcmk-1 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248 [root@pcmk-1 ~]# Repeat on the second node drbdadm --force create-md wwwdata modprobe drbd drbdadm up wwwdata cat /proc/drbd [root@pcmk-2 ~]# drbdadm --force create-md wwwdata Writing meta data... initializing activity log NOT initialized bitmap New drbd meta data block successfully created. success [root@pcmk-2 ~]# modprobe drbd WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/. [root@pcmk-2 ~]# drbdadm up wwwdata [root@pcmk-2 ~]# cat /proc/drbd version: 8.3.6 (api:88/proto:86-90) GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----     ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248 [root@pcmk-1 ~]# yum install -y drbd-pacemaker Loaded plugins: presto, refresh-packagekit Setting up Install Process Resolving Dependencies --> Running transaction check ---> Package drbd-pacemaker.x86_64 0:8.3.7-2.fc13 set to be updated --> Processing Dependency: drbd-utils = 8.3.7-2.fc13 for package: drbd-pacemaker-8.3.7-2.fc13.x86_64 --> Running transaction check ---> Package drbd-utils.x86_64 0:8.3.7-2.fc13 set to be updated --> Finished Dependency Resolution Dependencies Resolved ================================================================================= Package Arch Version Repository Size ================================================================================= Installing: drbd-pacemaker x86_64 8.3.7-2.fc13 fedora 19 k Installing for dependencies: drbd-utils x86_64 8.3.7-2.fc13 fedora 165 k Transaction Summary ================================================================================= Install 2 Package(s) Upgrade 0 Package(s) Total download size: 184 k Installed size: 427 k Downloading Packages: Setting up and reading Presto delta metadata fedora/prestodelta | 1.7 kB 00:00 Processing delta metadata Package(s) data still to download: 184 k (1/2): drbd-pacemaker-8.3.7-2.fc13.x86_64.rpm | 19 kB 00:01 (2/2): drbd-utils-8.3.7-2.fc13.x86_64.rpm | 165 kB 00:02 --------------------------------------------------------------------------------- Total 45 kB/s | 184 kB 00:04 Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : drbd-utils-8.3.7-2.fc13.x86_64 1/2 Installing : drbd-pacemaker-8.3.7-2.fc13.x86_64 2/2 Installed: drbd-pacemaker.x86_64 0:8.3.7-2.fc13 Dependency Installed: drbd-utils.x86_64 0:8.3.7-2.fc13 Complete! [root@pcmk-1 ~]# [root@pcmk-2 ~]# lvs   LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   lv_root VolGroup -wi-ao   7.30G                                         lv_swap VolGroup -wi-ao 500.00M                                       [root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup   Logical volume "drbd-demo" created [root@pcmk-2 ~]# lvs   LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert   drbd-demo VolGroup -wi-a- 1.00G                                         lv_root   VolGroup -wi-ao   7.30G                                         lv_swap   VolGroup -wi-ao 500.00M cib crm(live)# cib new drbd INFO: drbd shadow CIB created crm(drbd)# crm(drbd)# cib commit drbd INFO: commited 'drbd' shadow CIB to the cluster crm(drbd)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 09:37:13 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 3 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite (ocf::heartbeat:apache):        Started pcmk-1 Master/Slave Set: WebDataClone Masters: [ pcmk-2 ] Slaves: [ pcmk-1 ] crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \         op monitor interval=60s crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \         clone-max=2 clone-node-max=1 notify=true crm(drbd)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \ params drbd_resource="wwwdata" \ op monitor interval="60s" primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip="192.168.122.101" cidr_netmask="32" \         op monitor interval="30s" ms WebDataClone WebData \ meta master-max="1" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" location prefer-pcmk-1 WebSite 50: pcmk-1 colocation website-with-ip inf: WebSite ClusterIP order apache-after-ip inf: ClusterIP WebSite property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="false" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” crm(fs)# cib commit fs INFO: commited 'fs' shadow CIB to the cluster crm(fs)# quit bye [root@pcmk-1 ~]# crm_mon ============ Last updated: Tue Sep  1 10:08:44 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 4 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1 WebSite (ocf::heartbeat:apache): Started pcmk-1 Master/Slave Set: WebDataClone         Masters: [ pcmk-1 ]         Slaves: [ pcmk-2 ] WebFS (ocf::heartbeat:Filesystem): Started pcmk-1 crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite global {   usage-count yes; } common {   protocol C; } resource wwwdata {   meta-disk internal;   device    /dev/drbd1;   syncer {     verify-alg sha1;   }   net {     allow-two-primaries;   }   on pcmk-1 {     disk      /dev/mapper/VolGroup-drbd--demo;     address   192.168.122.101:7789;   }   on pcmk-2 {     disk      /dev/mapper/VolGroup-drbd--demo;     address   192.168.122.102:7789;   } } 看完以后，我们提交它并看看有没有生效。请注意要替换掉name和address选项以符合您的试验环境。在我们设置之前，我们要创建一些空的磁盘分区给它。配置DRBD在集群中配置DRBD为DRBD创建一个分区想知道配置文件的详细信息，请访问 http://www.drbd.org/users-guide/ch-configure.html就算你用的是静态站点，手工在各个节点之间同步文件也不是个好主意。如果是动态站点，那根本不会考虑这个。用NAS不是所有人都能负担得起，但是有些数据还是要同步。用用DRBD: 它被认为是网络RAID-1。访问 See http://www.drbd.org/获得更详细介绍首先我们打开shell。提示会指出你现在是在交互模式下。如果你有1Gb以上的空间，就用那么多吧， 在这个指南中根本用不到这么多空间。Include details on adding a second DRBD resource初始化并载入DRBD安装DRBD软件包然后我们创建一个当前配置文件的副本。我们在这个副本里更改配置。直到我们提交这个副本之前集群不会应用这些更改。请注意提示符的变更，现在它指出我们看到的已经不是当前(live)集群的配置文件。注意我们设置的资源黏性值阻止了资源迁移回pcmk-1现在讲DRBD的模块载入内核并检测是不是都正常现在DRBD已经工作了，我们可以配置一个Filesystem资源来使用它。 此外，对于这个文件系统的定义，同样的我们告诉集群这个文件系统能在哪运行(主DRBD运行的节点)以及什么时候可以启动(在主DRBD启动以后)。现在我们可以创建DRBD clone,然后看看修改过后的配置文件。现在我们要告诉DRBD要用那个数据(那个节点作为主)。因为两边都有一些废数据，我们要在pcmk-1上面执行一下命令。我们再一次的使用交互模式的crm shell一旦你确认这些修改没问题，我们就提交这个副本，然后用crm_mon来看看修改是否生效了。当我在pcmk-1上面操作完了－－本例中没有任何操作，我们只是想让资源移动移动－－我们可以让节点变回正常的集群成员。crm shell一个便捷的特性是可以工作在交互模式下并自动的变更配置中的相关部分。向DRBD中添加数据把一个本地节点设置为standby模式并观察集群把所有资源移动到另外一个节点了。并且注意节点的状态改变为不能运行任何的资源。在另外一个节点上面执行相同的操作，请确保使用了相同大小的分区。用DRBD同步存储在2.6.33以上的内核中，所以DRBD要的东西都在 &DISTRO; &DISTRO_VERSION;中存在了，你只要安装它就好了。TODO: Explain the reason for the allow-two-primaries option迁移测试没有命令来自动生成DRBD配置文件，所以我们要简单的拷贝下面的配置文件并粘贴到/etc/drbd.conf审视一下你的配置:我们也要告诉集群Apache也要运行在同样的节点上，而且文件系统要在Apache之前启动。我们可以再次关掉在运行的那个节点，但是安全的方法是把节点设置为standby模式。节点在这个状态下面等于告诉集群它不能运行任何资源，任何在这个节点上面运行的资源都会被移动到其他地方。这个特性在更新资源安装包的时候特别的方便。(确实！)配置完成以后，我们可以来执行初始化了配置DRBDpcmk-1现在是处于Primary(主)状态了，它允许写入了。这意味着可以在上面创建文件系统并把一些数据放进去，并且用WebSite这个资源来展现。pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Shared-Storage.po000066400000000000000000001626771217637305600260160ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:32+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Replicated Storage with DRBD" msgstr "用DRBD同步存储" #. Tag: title #, no-c-format msgid "Background" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Even if you’re serving up static websites, having to manually synchronize the contents of that website to all the machines in the cluster is not ideal. For dynamic websites, such as a wiki, it’s not even an option. Not everyone care afford network-attached storage but somehow the data needs to be kept in sync. Enter DRBD which can be thought of as network based RAID-1. See http://www.drbd.org/ for more details." msgstr "就算你用的是静态站点，手工在各个节点之间同步文件也不是个好主意。如果是动态站点，那根本不会考虑这个。用NAS不是所有人都能负担得起，但是有些数据还是要同步。用用DRBD: 它被认为是网络RAID-1。访问 See http://www.drbd.org/获得更详细介绍" #. Tag: title #, no-c-format msgid "Install the DRBD Packages" msgstr "安装DRBD软件包" #. Tag: para #, fuzzy, no-c-format msgid "Since its inclusion in the upstream 2.6.33 kernel, everything needed to use DRBD has shiped with Fedora since version 13. All you need to do is install it:" msgstr "在2.6.33以上的内核中，所以DRBD要的东西都在 &DISTRO; &DISTRO_VERSION;中存在了，你只要安装它就好了。" #. Tag: programlisting #, no-c-format msgid "# yum install -y drbd-pacemaker drbd-udev" msgstr "" #. Tag: literallayout #, fuzzy, no-c-format msgid "" "Loaded plugins: langpacks, presto, refresh-packagekit\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Processing Dependency: drbd-utils = 8.3.11-5.fc17 for package: drbd-pacemaker-8.3.11-5.fc17.x86_64\n" "---> Package drbd-udev.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.11-5.fc17 will be installed\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "======================================================================================\n" " Package Arch Version Repository Size\n" "======================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.11-5.fc17 updates-testing 22 k\n" " drbd-udev x86_64 8.3.11-5.fc17 updates-testing 6.4 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.11-5.fc17 updates-testing 183 k\n" "\n" "Transaction Summary\n" "======================================================================================\n" "Install 2 Packages (+1 Dependent package)\n" "\n" "Total download size: 212 k\n" "Installed size: 473 k\n" "Downloading Packages:\n" "(1/3): drbd-pacemaker-8.3.11-5.fc17.x86_64.rpm | 22 kB 00:00\n" "(2/3): drbd-udev-8.3.11-5.fc17.x86_64.rpm | 6.4 kB 00:00\n" "(3/3): drbd-utils-8.3.11-5.fc17.x86_64.rpm | 183 kB 00:00\n" "--------------------------------------------------------------------------------------\n" "Total 293 kB/s | 212 kB 00:00\n" "Running Transaction Check\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.11-5.fc17.x86_64 1/3\n" " Installing : drbd-pacemaker-8.3.11-5.fc17.x86_64 2/3\n" " Installing : drbd-udev-8.3.11-5.fc17.x86_64 3/3\n" " Verifying : drbd-pacemaker-8.3.11-5.fc17.x86_64 1/3\n" " Verifying : drbd-udev-8.3.11-5.fc17.x86_64 2/3\n" " Verifying : drbd-utils-8.3.11-5.fc17.x86_64 3/3\n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.11-5.fc17 drbd-udev.x86_64 0:8.3.11-5.fc17\n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.11-5.fc17\n" "\n" "Complete!" msgstr "" "\n" "[root@pcmk-1 ~]# yum install -y drbd-pacemaker\n" "Loaded plugins: presto, refresh-packagekit\n" "Setting up Install Process\n" "Resolving Dependencies\n" "--> Running transaction check\n" "---> Package drbd-pacemaker.x86_64 0:8.3.7-2.fc13 set to be updated\n" "--> Processing Dependency: drbd-utils = 8.3.7-2.fc13 for package: drbd-pacemaker-8.3.7-2.fc13.x86_64\n" "--> Running transaction check\n" "---> Package drbd-utils.x86_64 0:8.3.7-2.fc13 set to be updated\n" "--> Finished Dependency Resolution\n" "\n" "Dependencies Resolved\n" "\n" "=================================================================================\n" " Package Arch Version Repository Size\n" "=================================================================================\n" "Installing:\n" " drbd-pacemaker x86_64 8.3.7-2.fc13 fedora 19 k\n" "Installing for dependencies:\n" " drbd-utils x86_64 8.3.7-2.fc13 fedora 165 k\n" "\n" "Transaction Summary\n" "=================================================================================\n" "Install 2 Package(s)\n" "Upgrade 0 Package(s)\n" "\n" "Total download size: 184 k\n" "Installed size: 427 k\n" "Downloading Packages:\n" "Setting up and reading Presto delta metadata\n" "fedora/prestodelta | 1.7 kB 00:00 \n" "Processing delta metadata\n" "Package(s) data still to download: 184 k\n" "(1/2): drbd-pacemaker-8.3.7-2.fc13.x86_64.rpm | 19 kB 00:01 \n" "(2/2): drbd-utils-8.3.7-2.fc13.x86_64.rpm | 165 kB 00:02 \n" "---------------------------------------------------------------------------------\n" "Total 45 kB/s | 184 kB 00:04 \n" "Running rpm_check_debug\n" "Running Transaction Test\n" "Transaction Test Succeeded\n" "Running Transaction\n" " Installing : drbd-utils-8.3.7-2.fc13.x86_64 1/2 \n" " Installing : drbd-pacemaker-8.3.7-2.fc13.x86_64 2/2 \n" "\n" "Installed:\n" " drbd-pacemaker.x86_64 0:8.3.7-2.fc13 \n" "\n" "Dependency Installed:\n" " drbd-utils.x86_64 0:8.3.7-2.fc13 \n" "\n" "Complete!\n" "[root@pcmk-1 ~]#\n" " " #. Tag: title #, no-c-format msgid "Configure DRBD" msgstr "配置DRBD" #. Tag: para #, no-c-format msgid "Before we configure DRBD, we need to set aside some disk for it to use." msgstr "在我们设置之前，我们要创建一些空的磁盘分区给它。" #. Tag: title #, no-c-format msgid "Create A Partition for DRBD" msgstr "为DRBD创建一个分区" #. Tag: para #, no-c-format msgid "If you have more than 1Gb free, feel free to use it. For this guide however, 1Gb is plenty of space for a single html file and sufficient for later holding the GFS2 metadata." msgstr "如果你有1Gb以上的空间，就用那么多吧， 在这个指南中根本用不到这么多空间。" #. Tag: programlisting #, no-c-format msgid "" "# vgdisplay | grep -e Name - e Free\n" " VG Name vg_pcmk1\n" " Free PE / Size 31 / 992.00 MiB\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# lvs\n" " LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: para #, no-c-format msgid "Repeat this on the second node, be sure to use the same size partition." msgstr "在另外一个节点上面执行相同的操作，请确保使用了相同大小的分区。" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m\n" "# ssh pcmk-2 -- lvcreate -n drbd-demo -L 1G vg_pcmk1\n" "Logical volume \"drbd-demo\" created\n" "# ssh pcmk-2 -- lvs\n" "LV VG Attr LSize Origin Snap% Move Log Copy% Convert\n" " drbd-demo vg_pcmk1 -wi-a--- 1.00G\n" " lv_root vg_pcmk1 -wi-ao-- 8.56g\n" " lv_swap vg_pcmk1 -wi-ao-- 960.00m" msgstr "" #. Tag: title #, no-c-format msgid "Write the DRBD Config" msgstr "配置DRBD" #. Tag: para #, fuzzy, no-c-format msgid "There is no series of commands for building a DRBD configuration, so simply copy the configuration below to /etc/drbd.conf" msgstr "没有命令来自动生成DRBD配置文件，所以我们要简单的拷贝下面的配置文件并粘贴到/etc/drbd.conf" #. Tag: para #, no-c-format msgid "Detailed information on the directives used in this configuration (and other alternatives) is available from http://www.drbd.org/users-guide/ch-configure.html" msgstr "想知道配置文件的详细信息，请访问 http://www.drbd.org/users-guide/ch-configure.html" #. Tag: para #, fuzzy, no-c-format msgid "Be sure to use the names and addresses of your nodes if they differ from the ones used in this guide." msgstr "请注意要替换掉name和address选项以符合您的试验环境。" #. Tag: literallayout #, fuzzy, no-c-format msgid "" "global {\n" " usage-count yes;\n" "}\n" "common {\n" " protocol C;\n" "}\n" "resource wwwdata {\n" " meta-disk internal;\n" " device /dev/drbd1;\n" " syncer {\n" " verify-alg sha1;\n" " }\n" " net {\n" " allow-two-primaries;\n" " }\n" " on pcmk-1 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.101:7789;\n" " }\n" " on pcmk-2 {\n" " disk /dev/vg_pcmk1/drbd-demo;\n" " address 192.168.122.102:7789;\n" " }\n" "}" msgstr "" "\n" "global { \n" "  usage-count yes; \n" "}\n" "common {\n" "  protocol C;\n" "}\n" "resource wwwdata {\n" "  meta-disk internal;\n" "  device    /dev/drbd1;\n" "  syncer {\n" "    verify-alg sha1;\n" "  }\n" "  net { \n" "    allow-two-primaries; \n" "  }\n" "  on pcmk-1 {\n" "    disk      /dev/mapper/VolGroup-drbd--demo;\n" "    address   192.168.122.101:7789; \n" "  }\n" "  on \n" "pcmk-2 {\n" "    disk      /dev/mapper/VolGroup-drbd--demo;\n" "    address   192.168.122.102:7789; \n" "  }\n" "}\n" " " #. Tag: para #, no-c-format msgid "TODO: Explain the reason for the allow-two-primaries option" msgstr "TODO: Explain the reason for the allow-two-primaries option" #. Tag: title #, no-c-format msgid "Initialize and Load DRBD" msgstr "初始化并载入DRBD" #. Tag: para #, no-c-format msgid "With the configuration in place, we can now perform the DRBD initialization" msgstr "配置完成以后，我们可以来执行初始化了" #. Tag: programlisting #, no-c-format msgid "" "# drbdadm create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success" msgstr "" #. Tag: para #, no-c-format msgid "Now load the DRBD kernel module and confirm that everything is sane" msgstr "现在讲DRBD的模块载入内核并检测是不是都正常" #. Tag: programlisting #, no-c-format msgid "" "# modprobe drbd\n" "# drbdadm up wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Repeat on the second node" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# ssh pcmk-2 -- drbdadm --force create-md wwwdata\n" "Writing meta data...\n" "initializing activity log\n" "NOT initialized bitmap\n" "New drbd meta data block successfully created.\n" "success\n" "# ssh pcmk-2 -- modprobe drbd\n" "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" "# ssh pcmk-2 -- drbdadm up wwwdata\n" "# ssh pcmk-2 -- cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r-----\n" " ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:1015740" msgstr "" #. Tag: para #, no-c-format msgid "Now we need to tell DRBD which set of data to use. Since both sides contain garbage, we can run the following on pcmk-1:" msgstr "现在我们要告诉DRBD要用那个数据(那个节点作为主)。因为两边都有一些废数据，我们要在pcmk-1上面执行一下命令。" #. Tag: programlisting #, no-c-format msgid "" "# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r-----\n" " ns:8064 nr:0 dw:0 dr:8728 al:0 bm:0 lo:0 pe:1 ua:0 ap:0 ep:1 wo:f oos:1007804\n" " [>....................] sync'ed: 0.9% (1007804/1015740)K\n" " finish: 0:12:35 speed: 1,320 (1,320) K/sec" msgstr "" #. Tag: para #, no-c-format msgid "After a while, the sync should finish and you’ll see:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# cat /proc/drbd\n" "version: 8.3.11 (api:88/proto:86-96)\n" "srcversion: 0D2B62DEDB020A425130935\n" "\n" " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r-----\n" " ns:1015740 nr:0 dw:0 dr:1016404 al:0 bm:62 lo:0 pe:0 ua:0 ap:0 ep:1 wo:f oos:0" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pcmk-1 is now in the Primary state which allows it to be written to. Which means it’s a good point at which to create a filesystem and populate it with some data to serve up via our WebSite resource." msgstr "pcmk-1现在是处于Primary(主)状态了，它允许写入了。这意味着可以在上面创建文件系统并把一些数据放进去，并且用WebSite这个资源来展现。" #. Tag: title #, no-c-format msgid "Populate DRBD with Data" msgstr "向DRBD中添加数据" #. Tag: programlisting #, no-c-format msgid "" "# mkfs.ext4 /dev/drbd1\n" "mke2fs 1.42 (29-Nov-2011)\n" "Filesystem label=\n" "OS type: Linux\n" "Block size=4096 (log=2)\n" "Fragment size=4096 (log=2)\n" "Stride=0 blocks, Stripe width=0 blocks\n" "63488 inodes, 253935 blocks\n" "12696 blocks (5.00%) reserved for the super user\n" "First data block=0\n" "Maximum filesystem blocks=260046848\n" "8 block groups\n" "32768 blocks per group, 32768 fragments per group\n" "7936 inodes per group\n" "Superblock backups stored on blocks:\n" " 32768, 98304, 163840, 229376\n" "\n" "Allocating group tables: done\n" "Writing inode tables: done\n" "Creating journal (4096 blocks): done\n" "Writing superblocks and filesystem accounting information: done" msgstr "" #. Tag: para #, no-c-format msgid "Now mount the newly created filesystem so we can create our index file" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# mount /dev/drbd1 /mnt/\n" "# cat <<-END >/mnt/index.html\n" " <html>\n" " <body>My Test Site - drbd</body>\n" " </html>\n" "END\n" "# umount /dev/drbd1" msgstr "" #. Tag: title #, no-c-format msgid "Configure the Cluster for DRBD" msgstr "在集群中配置DRBD" #. Tag: para #, no-c-format msgid "One handy feature pcs has is the ability to queue up several changes into a file and commit those changes atomically. To do this, start by populating the file with the current raw xml config from the cib. This can be done using the following command." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster cib drbd_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Now using the pcs -f option, make changes to the configuration saved in the drbd_cfg file. These changes will not be seen by the cluster until the drbd_cfg file is pushed into the live cluster’s cib later on." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs -f drbd_cfg resource create WebData ocf:linbit:drbd \\\n" " drbd_resource=wwwdata op monitor interval=60s\n" "# pcs -f drbd_cfg resource master WebDataClone WebData \\\n" " master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \\\n" " notify=true" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f drbd_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Stopped: [ WebData:0 WebData:1 ]" msgstr "" #. Tag: para #, no-c-format msgid "After you are satisfied with all the changes, you can commit all the changes at once by pushing the drbd_cfg file into the live cib." msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster push cib drbd_cfg\n" "CIB updated\n" "\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:19:49 2012\n" "Last change: Fri Sep 14 12:19:13 2012 via cibadmin on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "4 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, fuzzy, no-c-format msgid "TODO: Include details on adding a second DRBD resource" msgstr "Include details on adding a second DRBD resource" #. Tag: para #, no-c-format msgid "Now that DRBD is functioning we can configure a Filesystem resource to use it. In addition to the filesystem’s definition, we also need to tell the cluster where it can be located (only on the DRBD Primary) and when it is allowed to start (after the Primary was promoted)." msgstr "现在DRBD已经工作了，我们可以配置一个Filesystem资源来使用它。 此外，对于这个文件系统的定义，同样的我们告诉集群这个文件系统能在哪运行(主DRBD运行的节点)以及什么时候可以启动(在主DRBD启动以后)。" #. Tag: para #, no-c-format msgid "We are going to take a shortcut when creating the resource this time though. Instead of explicitly saying we want the ocf:heartbeat:Filesystem script, we are only going to ask for Filesystem. We can do this because we know there is only one resource script named Filesystem available to pacemaker, and that pcs is smart enough to fill in the ocf:heartbeat portion for us correctly in the configuration. If there were multiple Filesystem scripts from different ocf providers, we would need to specify the exact one we wanted to use." msgstr "" #. Tag: para #, no-c-format msgid "Once again we will queue up our changes to a file and then push the new configuration to the cluster as the final step." msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib fs_cfg\n" "# pcs -f fs_cfg resource create WebFS Filesystem \\\n" " device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" \\\n" " fstype=\"ext4\"" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebFS WebDataClone INFINITY with-rsc-role=Master\n" "# pcs -f fs_cfg constraint order promote WebDataClone then start WebFS\n" "Adding WebDataClone WebFS (kind: Mandatory) (Options: first-action=promote then-action=start)" msgstr "" #. Tag: para #, no-c-format msgid "We also need to tell the cluster that Apache needs to run on the same machine as the filesystem and that it must be active before Apache can start." msgstr "我们也要告诉集群Apache也要运行在同样的节点上，而且文件系统要在Apache之前启动。" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint colocation add WebSite WebFS INFINITY\n" "# pcs -f fs_cfg constraint order WebFS then WebSite" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Now review the updated configuration." msgstr "审视一下你的配置:" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f fs_cfg constraint\n" "Location Constraints:\n" "Ordering Constraints:\n" " start ClusterIP then start WebSite\n" " WebFS then WebSite\n" " promote WebDataClone then start WebFS\n" "Colocation Constraints:\n" " WebSite with ClusterIP\n" " WebFS with WebDataClone (with-rsc-role:Master)\n" " WebSite with WebFS\n" "\n" "# pcs -f fs_cfg resource show\n" " ClusterIP (ocf::heartbeat:IPaddr2) Started\n" " WebSite (ocf::heartbeat:apache) Started\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem) Stopped" msgstr "" #. Tag: para #, no-c-format msgid "After reviewing the new configuration, we again upload it and watch the cluster put it into effect." msgstr "看完以后，我们提交它并看看有没有生效。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster push cib fs_cfg\n" "CIB updated\n" "# pcs status\n" " Last updated: Fri Aug 10 12:47:01 2012\n" "\n" " Last change: Fri Aug 10 12:46:55 2012 via cibadmin on pcmk-1\n" " Stack: corosync\n" " Current DC: pcmk-1 (1) - partition with quorum\n" " Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" " 2 Nodes configured, unknown expected votes\n" " 5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-1\n" " WebSite (ocf::heartbeat:apache): Started pcmk-1\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-1 ]\n" " Slaves: [ pcmk-2 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-1" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: title #, no-c-format msgid "Testing Migration" msgstr "迁移测试" #. Tag: para #, fuzzy, no-c-format msgid "We could shut down the active node again, but another way to safely simulate recovery is to put the node into what is called \"standby mode\". Nodes in this state tell the cluster that they are not allowed to run resources. Any resources found active there will be moved elsewhere. This feature can be particularly useful when updating the resources' packages." msgstr "我们可以再次关掉在运行的那个节点，但是安全的方法是把节点设置为standby模式。节点在这个状态下面等于告诉集群它不能运行任何资源，任何在这个节点上面运行的资源都会被移动到其他地方。这个特性在更新资源安装包的时候特别的方便。(确实！)" #. Tag: para #, no-c-format msgid "Put the local node into standby mode and observe the cluster move all the resources to the other node. Note also that the node’s status will change to indicate that it can no longer host resources." msgstr "把一个本地节点设置为standby模式并观察集群把所有资源移动到另外一个节点了。并且注意节点的状态改变为不能运行任何的资源。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster standby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:41:12 2012\n" "Last change: Fri Sep 14 12:41:08 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Node pcmk-1 (1): standby\n" "Online: [ pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" "ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" "WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Stopped: [ WebData:1 ]\n" "WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, no-c-format msgid "Once we’ve done everything we needed to on pcmk-1 (in this case nothing, we just wanted to see the resources move), we can allow the node to be a full cluster member again." msgstr "当我在pcmk-1上面操作完了－－本例中没有任何操作，我们只是想让资源移动移动－－我们可以让节点变回正常的集群成员。" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# pcs cluster unstandby pcmk-1\n" "# pcs status\n" "\n" "Last updated: Fri Sep 14 12:43:02 2012\n" "Last change: Fri Sep 14 12:42:57 2012 via crm_attribute on pcmk-1\n" "Stack: corosync\n" "Current DC: pcmk-1 (1) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "5 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:\n" "\n" " ClusterIP (ocf::heartbeat:IPaddr2): Started pcmk-2\n" " WebSite (ocf::heartbeat:apache): Started pcmk-2\n" " Master/Slave Set: WebDataClone [WebData]\n" " Masters: [ pcmk-2 ]\n" " Slaves: [ pcmk-1 ]\n" " WebFS (ocf::heartbeat:Filesystem): Started pcmk-2" msgstr "" "\n" "[root@pcmk-1 ~]# crm node online\n" "[root@pcmk-1 ~]# crm_mon\n" "============\n" "Last updated: Tue Sep  1 10:13:25 2009\n" "Stack: openais\n" "Current DC: pcmk-1 - partition with quorum\n" "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" "2 Nodes configured, 2 expected votes\n" "4 Resources configured.\n" "============\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" "Master/Slave Set: WebDataClone\n" "        Masters: [ pcmk-2 ]\n" "        Slaves: [ pcmk-1 ]\n" "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" " " #. Tag: para #, no-c-format msgid "Notice that our resource stickiness settings prevent the services from migrating back to pcmk-1." msgstr "注意我们设置的资源黏性值阻止了资源迁移回pcmk-1" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-1 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-1 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  lv_root VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap VolGroup -wi-ao 500.00M                                      \n" #~ "[root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV      VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  lv_root VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap VolGroup -wi-ao 500.00M                                      \n" #~ "[root@pcmk-2 ~]# lvcreate -n drbd-demo -L 1G VolGroup\n" #~ "  Logical volume \"drbd-demo\" created\n" #~ "[root@pcmk-2 ~]# lvs\n" #~ "  LV        VG       Attr   LSize   Origin Snap%  Move Log Copy%  Convert\n" #~ "  drbd-demo VolGroup -wi-a- 1.00G                                      \n" #~ "  lv_root   VolGroup -wi-ao   7.30G                                      \n" #~ "  lv_swap   VolGroup -wi-ao 500.00M\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm create-md wwwdata\n" #~ "md_offset 12578816\n" #~ "al_offset 12546048\n" #~ "bm_offset 12541952\n" #~ "\n" #~ "Found some data \n" #~ " ==> This might destroy existing data! <==\n" #~ "\n" #~ "Do you want to proceed?\n" #~ "[need to type 'yes' to confirm] yes\n" #~ "\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm create-md wwwdata\n" #~ "md_offset 12578816\n" #~ "al_offset 12546048\n" #~ "bm_offset 12541952\n" #~ "\n" #~ "Found some data \n" #~ " ==> This might destroy existing data! <==\n" #~ "\n" #~ "Do you want to proceed?\n" #~ "[need to type 'yes' to confirm] yes\n" #~ "\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# modprobe drbd\n" #~ "[root@pcmk-1 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ "[root@pcmk-1 ~]# \n" #~ "\n" #~ "Repeat on the second node\n" #~ "drbdadm --force create-md wwwdata \n" #~ "modprobe drbd\n" #~ "drbdadm up wwwdata\n" #~ "cat /proc/drbd\n" #~ "[root@pcmk-2 ~]# drbdadm --force create-md wwwdata\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ "[root@pcmk-2 ~]# modprobe drbd\n" #~ "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" #~ "[root@pcmk-2 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-2 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# modprobe drbd\n" #~ "[root@pcmk-1 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:WFConnection ro:Secondary/Unknown ds:Inconsistent/DUnknown C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ "[root@pcmk-1 ~]# \n" #~ "\n" #~ "Repeat on the second node\n" #~ "drbdadm --force create-md wwwdata \n" #~ "modprobe drbd\n" #~ "drbdadm up wwwdata\n" #~ "cat /proc/drbd\n" #~ "[root@pcmk-2 ~]# drbdadm --force create-md wwwdata\n" #~ "Writing meta data...\n" #~ "initializing activity log\n" #~ "NOT initialized bitmap\n" #~ "New drbd meta data block successfully created.\n" #~ "success\n" #~ "[root@pcmk-2 ~]# modprobe drbd\n" #~ "WARNING: Deprecated config file /etc/modprobe.conf, all config files belong into /etc/modprobe.d/.\n" #~ "[root@pcmk-2 ~]# drbdadm up wwwdata\n" #~ "[root@pcmk-2 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ "\n" #~ " 1: cs:Connected ro:Secondary/Secondary ds:Inconsistent/Inconsistent C r----\n" #~ "    ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:12248\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----\n" #~ "    ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064\n" #~ "        [=====>..............] sync'ed: 33.4% (10064/12248)K\n" #~ "        finish: 0:00:37 speed: 240 (240) K/sec\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----\n" #~ "    ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# drbdadm -- --overwrite-data-of-peer primary wwwdata\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----\n" #~ "    ns:2184 nr:0 dw:0 dr:2472 al:0 bm:0 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:10064\n" #~ "        [=====>..............] sync'ed: 33.4% (10064/12248)K\n" #~ "        finish: 0:00:37 speed: 240 (240) K/sec\n" #~ "[root@pcmk-1 ~]# cat /proc/drbd\n" #~ "version: 8.3.6 (api:88/proto:86-90)\n" #~ "GIT-hash: f3606c47cc6fcf6b3f086e425cb34af8b7a81bbf build by root@pcmk-1, 2009-12-08 11:22:57\n" #~ " 1: cs:Connected ro:Primary/Secondary ds:UpToDate/UpToDate C r----\n" #~ "    ns:12248 nr:0 dw:0 dr:12536 al:0 bm:1 lo:0 pe:0 ua:0 ap:0 ep:1 wo:b oos:0\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1\n" #~ "mke2fs 1.41.4 (27-Jan-2009)\n" #~ "Filesystem label=\n" #~ "OS type: Linux\n" #~ "Block size=1024 (log=0)\n" #~ "Fragment size=1024 (log=0)\n" #~ "3072 inodes, 12248 blocks\n" #~ "612 blocks (5.00%) reserved for the super user\n" #~ "First data block=1\n" #~ "Maximum filesystem blocks=12582912\n" #~ "2 block groups\n" #~ "8192 blocks per group, 8192 fragments per group\n" #~ "1536 inodes per group\n" #~ "Superblock backups stored on blocks: \n" #~ "        8193\n" #~ "\n" #~ "Writing inode tables: done                            \n" #~ "Creating journal (1024 blocks): done\n" #~ "Writing superblocks and filesystem accounting information: done\n" #~ "\n" #~ "This filesystem will be automatically checked every 26 mounts or\n" #~ "180 days, whichever comes first.  Use tune2fs -c or -i to override.\n" #~ "\n" #~ "Now mount the newly created filesystem so we can create our index file\n" #~ "mount /dev/drbd1 /mnt/\n" #~ "cat <<-END >/mnt/index.html\n" #~ "<html>\n" #~ "<body>My Test Site - drbd</body>\n" #~ "</html>\n" #~ "END\n" #~ "umount /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" #~ "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" #~ "> <html>\n" #~ "> <body>My Test Site - drbd</body>\n" #~ "> </html>\n" #~ "> END\n" #~ "[root@pcmk-1 ~]# umount /dev/drbd1\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# mkfs.ext4 /dev/drbd1\n" #~ "mke2fs 1.41.4 (27-Jan-2009)\n" #~ "Filesystem label=\n" #~ "OS type: Linux\n" #~ "Block size=1024 (log=0)\n" #~ "Fragment size=1024 (log=0)\n" #~ "3072 inodes, 12248 blocks\n" #~ "612 blocks (5.00%) reserved for the super user\n" #~ "First data block=1\n" #~ "Maximum filesystem blocks=12582912\n" #~ "2 block groups\n" #~ "8192 blocks per group, 8192 fragments per group\n" #~ "1536 inodes per group\n" #~ "Superblock backups stored on blocks: \n" #~ "        8193\n" #~ "\n" #~ "Writing inode tables: done                            \n" #~ "Creating journal (1024 blocks): done\n" #~ "Writing superblocks and filesystem accounting information: done\n" #~ "\n" #~ "This filesystem will be automatically checked every 26 mounts or\n" #~ "180 days, whichever comes first.  Use tune2fs -c or -i to override.\n" #~ "\n" #~ "Now mount the newly created filesystem so we can create our index file\n" #~ "mount /dev/drbd1 /mnt/\n" #~ "cat <<-END >/mnt/index.html\n" #~ "<html>\n" #~ "<body>My Test Site - drbd</body>\n" #~ "</html>\n" #~ "END\n" #~ "umount /dev/drbd1\n" #~ "[root@pcmk-1 ~]# mount /dev/drbd1 /mnt/\n" #~ "[root@pcmk-1 ~]# cat <<-END >/mnt/index.html\n" #~ "> <html>\n" #~ "> <body>My Test Site - drbd</body>\n" #~ "> </html>\n" #~ "> END\n" #~ "[root@pcmk-1 ~]# umount /dev/drbd1\n" #~ " " #~ msgid "One handy feature of the crm shell is that you can use it in interactive mode to make several changes atomically." #~ msgstr "crm shell一个便捷的特性是可以工作在交互模式下并自动的变更配置中的相关部分。" #~ msgid "First we launch the shell. The prompt will change to indicate you’re in interactive mode." #~ msgstr "首先我们打开shell。提示会指出你现在是在交互模式下。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "cib crm(live)#\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "cib crm(live)#\n" #~ " " #~ msgid "Next we must create a working copy or the current configuration. This is where all our changes will go. The cluster will not see any of them until we say its ok. Notice again how the prompt changes, this time to indicate that we’re no longer looking at the live cluster." #~ msgstr "然后我们创建一个当前配置文件的副本。我们在这个副本里更改配置。直到我们提交这个副本之前集群不会应用这些更改。请注意提示符的变更，现在它指出我们看到的已经不是当前(live)集群的配置文件。" #~ msgid "" #~ "\n" #~ "cib crm(live)# cib new drbd\n" #~ "INFO: drbd shadow CIB created\n" #~ "crm(drbd)#\n" #~ " " #~ msgstr "" #~ "\n" #~ "cib crm(live)# cib new drbd\n" #~ "INFO: drbd shadow CIB created\n" #~ "crm(drbd)#\n" #~ " " #~ msgid "Now we can create our DRBD clone and display the revised configuration." #~ msgstr "现在我们可以创建DRBD clone,然后看看修改过后的配置文件。" #~ msgid "" #~ "\n" #~ "crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \\\n" #~ "        op monitor interval=60s\n" #~ "crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \\\n" #~ "        clone-max=2 clone-node-max=1 notify=true\n" #~ "crm(drbd)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ " params drbd_resource=\"wwwdata\" \\\n" #~ " op monitor interval=\"60s\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ " meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(drbd)# configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \\\n" #~ "        op monitor interval=60s\n" #~ "crm(drbd)# configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \\\n" #~ "        clone-max=2 clone-node-max=1 notify=true\n" #~ "crm(drbd)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ " params drbd_resource=\"wwwdata\" \\\n" #~ " op monitor interval=\"60s\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ " meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgid "Once we’re happy with the changes, we can tell the cluster to start using them and use crm_mon to check everything is functioning." #~ msgstr "一旦你确认这些修改没问题，我们就提交这个副本，然后用crm_mon来看看修改是否生效了。" #~ msgid "" #~ "\n" #~ "crm(drbd)# cib commit drbd\n" #~ "INFO: commited 'drbd' shadow CIB to the cluster\n" #~ "crm(drbd)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 09:37:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "3 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ " Masters: [ pcmk-2 ]\n" #~ " Slaves: [ pcmk-1 ]\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(drbd)# cib commit drbd\n" #~ "INFO: commited 'drbd' shadow CIB to the cluster\n" #~ "crm(drbd)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 09:37:13 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "3 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ " Masters: [ pcmk-2 ]\n" #~ " Slaves: [ pcmk-1 ]\n" #~ " " #~ msgid "Once again we’ll use the shell’s interactive mode" #~ msgstr "我们再一次的使用交互模式的crm shell" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new fs\n" #~ "INFO: fs shadow CIB created\n" #~ "crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm\n" #~ "crm(live)# cib new fs\n" #~ "INFO: fs shadow CIB created\n" #~ "crm(fs)# configure primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "crm(fs)# configure colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "crm(fs)# configure order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(fs)# configure colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "crm(fs)# configure order WebSite-after-WebFS inf: WebFS WebSite\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"ext4\"\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=\"192.168.122.101\" cidr_netmask=\"32\" \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"1\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "location prefer-pcmk-1 WebSite 50: pcmk-1\n" #~ "colocation WebSite-with-WebFS inf: WebSite WebFS\n" #~ "colocation fs_on_drbd inf: WebFS WebDataClone:Master\n" #~ "colocation website-with-ip inf: WebSite ClusterIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFS:start\n" #~ "order WebSite-after-WebFS inf: WebFS WebSite\n" #~ "order apache-after-ip inf: ClusterIP WebSite\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"false\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ " " #~ msgid "" #~ "\n" #~ "crm(fs)# cib commit fs\n" #~ "INFO: commited 'fs' shadow CIB to the cluster\n" #~ "crm(fs)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:08:44 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache): Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ " " #~ msgstr "" #~ "\n" #~ "crm(fs)# cib commit fs\n" #~ "INFO: commited 'fs' shadow CIB to the cluster\n" #~ "crm(fs)# quit\n" #~ "bye\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:08:44 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-1\n" #~ "WebSite (ocf::heartbeat:apache): Started pcmk-1\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-1 ]\n" #~ "        Slaves: [ pcmk-2 ]\n" #~ "WebFS (ocf::heartbeat:Filesystem): Started pcmk-1\n" #~ " " #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm node standby\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:09:57 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Node pcmk-1: standby\n" #~ "Online: [ pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-2 ]\n" #~ "        Stopped: [ WebData:1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ " " #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm node standby\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Tue Sep  1 10:09:57 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "4 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Node pcmk-1: standby\n" #~ "Online: [ pcmk-2 ]\n" #~ "\n" #~ "ClusterIP        (ocf::heartbeat:IPaddr):        Started pcmk-2\n" #~ "WebSite (ocf::heartbeat:apache):        Started pcmk-2\n" #~ "Master/Slave Set: WebDataClone\n" #~ "        Masters: [ pcmk-2 ]\n" #~ "        Stopped: [ WebData:1 ]\n" #~ "WebFS   (ocf::heartbeat:Filesystem):    Started pcmk-2\n" #~ " " pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Stonith.mo000066400000000000000000000274411217637305600246200ustar00rootroot00000000000000%PQ 9SG,zD#v&6#&TV9"% &5&&\'' ''( )()9)R)*s*f+#,y,<-H.Vf.%..%.     [root@pcmk-1 ~]# crm crm(live)# cib new stonith INFO: stonith shadow CIB created crm(stonith)# configure primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" crm(stonith)# configure clone Fencing rsa-fencing crm(stonith)# configure property stonith-enabled="true" crm(stonith)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" primitive rsa-fencing stonith::external/ibmrsa \ params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \ op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone Fencing rsa-fencing clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="true" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” stonith -t external/ibmrsa -n [root@pcmk-1 ~]# stonith -t external/ibmrsa -n hostname  ipaddr  userid  passwd  type And finally, since we disabled it earlier, we need to re-enable STONITHAssuming we have an IBM BladeCenter containing our two nodes and the management interface is active on 192.168.122.31, then we would chose the external/ibmrsa driver in step 2 and obtain the following list of parametersAssuming we know the username and password for the management interface, we would create a STONITH resource with the shellConfigure STONITHConfiguring STONITHCreate a clone from the primitive resource if the device can shoot more than one node and supports multiple simultaneous connections.Create a file called stonith.xml containing a primitive resource with a class of stonith, a type of {type} and a parameter for each of the values returned in step 2ExampleFind the correct driver: stonith -LHopefully the developers chose names that make sense, if not you can query for some additional information by finding an active cluster node and running:It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one.Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node.Likewise, any device that relies on the machine being active (such as SSH-based “devices” used during testing) are inappropriate.STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere.STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rouge nodes or concurrent access.Since every device is different, the parameters needed to configure it will vary. To find out the parameters required by the device: stonith -t {type} -nThe biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many onboard IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault.The output should be XML formatted text containing additional parameter descriptionsUpload it into the CIB using cibadmin: cibadmin -C -o resources --xml-file stonith.xmlWhat STONITH Device Should You UseWhy You Need STONITHlrmadmin -M stonith {type} pacemaker Project-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-16 00:38+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [root@pcmk-1 ~]# crm crm(live)# cib new stonith INFO: stonith shadow CIB created crm(stonith)# configure primitive rsa-fencing stonith::external/ibmrsa \         params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \         op monitor interval="60s" crm(stonith)# configure clone Fencing rsa-fencing crm(stonith)# configure property stonith-enabled="true" crm(stonith)# configure show node pcmk-1 node pcmk-2 primitive WebData ocf:linbit:drbd \         params drbd_resource="wwwdata" \         op monitor interval="60s" primitive WebFS ocf:heartbeat:Filesystem \         params device="/dev/drbd/by-res/wwwdata" directory="/var/www/html" fstype=”gfs2” primitive WebSite ocf:heartbeat:apache \         params configfile="/etc/httpd/conf/httpd.conf" \         op monitor interval="1min" primitive ClusterIP ocf:heartbeat:IPaddr2 \         params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \         op monitor interval="30s" primitive dlm ocf:pacemaker:controld \         op monitor interval="120s" primitive gfs-control ocf:pacemaker:controld \    params daemon=”gfs_controld.pcmk” args=”-g 0” \         op monitor interval="120s" primitive rsa-fencing stonith::external/ibmrsa \ params hostname=”pcmk-1 pcmk-2" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \ op monitor interval="60s" ms WebDataClone WebData \         meta master-max="2" master-node-max="1" clone-max="2" clone-node-max="1" notify="true" clone Fencing rsa-fencing clone WebFSClone WebFS clone WebIP ClusterIP  \         meta globally-unique=”true” clone-max=”2” clone-node-max=”2” clone WebSiteClone WebSite clone dlm-clone dlm \         meta interleave="true" clone gfs-clone gfs-control \         meta interleave="true" colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone colocation fs_on_drbd inf: WebFSClone WebDataClone:Master colocation gfs-with-dlm inf: gfs-clone dlm-clone colocation website-with-ip inf: WebSiteClone WebIP order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start order WebSite-after-WebFS inf: WebFSClone WebSiteClone order apache-after-ip inf: WebIP WebSiteClone order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone order start-gfs-after-dlm inf: dlm-clone gfs-clone property $id="cib-bootstrap-options" \         dc-version="1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7" \         cluster-infrastructure="openais" \         expected-quorum-votes=”2” \         stonith-enabled="true" \         no-quorum-policy="ignore" rsc_defaults $id="rsc-options" \         resource-stickiness=”100” stonith -t external/ibmrsa -n [root@pcmk-1 ~]# stonith -t external/ibmrsa -n hostname  ipaddr  userid  passwd  type 最后，我们要重新打开之前禁用的STONITH:假设我们有一个 包含两个节点的IBM BladeCenter，控制界面的IP是192.168.122.31,然后我们选择 external/ibmrsa作为驱动，然后配置下面列表当中的参数。假设我们知道管理界面的用户名和密码，我们要创建一个STONITH的资源:配置 STONITH配置STONITH如果这个设备可以击杀多个设备并且支持从多个节点连接过来，那我们从这个原始资源创建一个克隆。创建stonith.xml文件 包含了一个原始的源，它定义了资stonith类下面的某个type和这个type所需的参数。例子找到正确的STONITH驱动: stonith -L希望开发者选择了合适的名称，如果不是这样，你可以在活动的机器上面执行以下命令来获得更多信息。重要的一点是STONITH设备可以让集群区分节点故障和网络故障。因为如果一个节点没有相应，但并不代表它没有在操作你的数据，100%保证数据安全的做法就是在允许另外一个节点操作数据之前，使用STONITH来保证节点真的下线了。同样地， 任何依靠可用节点的设备（比如测试用的基于SSH的“设备”）都是不适当的。STONITH另外一个用场是在当集群服务无法停止的时候。这个时候，集群可以用STONITH来强制使节点下线，从而可以安全的得在其他地方启动服务。STONITH 是爆其他节点的头（ Shoot-The-Other-Node-In-The-Head）的缩写，它能保护你的数据不被不正常的节点破坏或是并发写入。因为设备的不同, 配置的参数也不一样。 想看设备所需设置的参数，可以用: stonith -t {type} -n人们常常犯得一个错误就是选择远程电源开关作为STONITH设备(比如许多主板自带的IPMI控制器) 。在那种情况下，集群不能分辨节点是真正的下线了，还是网络无法连通了。输出应该是XML格式的文本文件，它包含了更详细的描述使用cibadmin来更新CIB配置文件:cibadmin -C -o resources --xml-file stonith.xml你该用什么样的STONITH设备。为什么需要 STONITHlrmadmin -M stonith {type} pacemaker pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Stonith.po000066400000000000000000000421771217637305600246260ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:38+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configure STONITH" msgstr "配置 STONITH" #. Tag: title #, fuzzy, no-c-format msgid "What Is STONITH" msgstr "为什么需要 STONITH" #. Tag: para #, fuzzy, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "STONITH 是爆其他节点的头（ Shoot-The-Other-Node-In-The-Head）的缩写，它能保护你的数据不被不正常的节点破坏或是并发写入。" #. Tag: para #, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "因为如果一个节点没有相应，但并不代表它没有在操作你的数据，100%保证数据安全的做法就是在允许另外一个节点操作数据之前，使用STONITH来保证节点真的下线了。" #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "STONITH另外一个用场是在当集群服务无法停止的时候。这个时候，集群可以用STONITH来强制使节点下线，从而可以安全的得在其他地方启动服务。" #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "你该用什么样的STONITH设备。" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "重要的一点是STONITH设备可以让集群区分节点故障和网络故障。" #. Tag: para #, fuzzy, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "人们常常犯得一个错误就是选择远程电源开关作为STONITH设备(比如许多主板自带的IPMI控制器) 。在那种情况下，集群不能分辨节点是真正的下线了，还是网络无法连通了。" #. Tag: para #, fuzzy, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "同样地， 任何依靠可用节点的设备（比如测试用的基于SSH的“设备”）都是不适当的。" #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "配置STONITH" #. Tag: para #, fuzzy, no-c-format msgid "Find the correct driver: pcs stonith list" msgstr "找到正确的STONITH驱动: stonith -L" #. Tag: para #, no-c-format msgid "Find the parameters associated with the device: pcs stonith describe <agent name>" msgstr "" #. Tag: para #, no-c-format msgid "Create a local config to make changes to pcs cluster cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Create the fencing resource using pcs -f stonith_cfg stonith create <stonith_id> <stonith device type> [stonith device options]" msgstr "" #. Tag: para #, no-c-format msgid "Set stonith-enable to true. pcs -f stonith_cfg property set stonith-enabled=true" msgstr "" #. Tag: para #, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "Commit the new configuration. pcs cluster push cib stonith_cfg" msgstr "" #. Tag: para #, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "" #. Tag: title #, no-c-format msgid "Example" msgstr "例子" #. Tag: para #, fuzzy, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "假设我们有一个 包含两个节点的IBM BladeCenter，控制界面的IP是192.168.122.31,然后我们选择 external/ibmrsa作为驱动，然后配置下面列表当中的参数。" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs stonith describe fence_ipmilan\n" "Stonith options for: fence_ipmilan\n" " auth: IPMI Lan Auth type (md5, password, or none)\n" " ipaddr: IPMI Lan IP to talk to\n" " passwd: Password (if required) to control power on IPMI device\n" " passwd_script: Script to retrieve password (if required)\n" " lanplus: Use Lanplus\n" " login: Username/Login (if required) to control power on IPMI device\n" " action: Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata\n" " timeout: Timeout (sec) for IPMI operation\n" " cipher: Ciphersuite to use (same as ipmitool -C parameter)\n" " method: Method to fence (onoff or cycle)\n" " power_wait: Wait X seconds after on/off operation\n" " delay: Wait X seconds before fencing is started\n" " privlvl: Privilege level on IPMI device\n" " verbose: Verbose mode" msgstr "" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "" #. Tag: screen #, no-c-format msgid "" "# pcs cluster cib stonith_cfg\n" "# pcs -f stonith_cfg stonith create impi-fencing fence_ipmilan \\\n" " pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser \\\n" " passwd=acd123 op monitor interval=60s" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg stonith\n" " impi-fencing (stonith:fence_ipmilan) Stopped" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "最后，我们要重新打开之前禁用的STONITH:" #. Tag: programlisting #, no-c-format msgid "" "# pcs -f stonith_cfg property set stonith-enabled=true\n" "# pcs -f stonith_cfg property\n" "dc-version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "cluster-infrastructure: corosync\n" "no-quorum-policy: ignore\n" "stonith-enabled: true" msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs cluster push cib stonith_cfg" msgstr "" #~ msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters required by the device: stonith -t {type} -n" #~ msgstr "因为设备的不同, 配置的参数也不一样。 想看设备所需设置的参数，可以用: stonith -t {type} -n" #~ msgid "Hopefully the developers chose names that make sense, if not you can query for some additional information by finding an active cluster node and running:" #~ msgstr "希望开发者选择了合适的名称，如果不是这样，你可以在活动的机器上面执行以下命令来获得更多信息。" #~ msgid "lrmadmin -M stonith {type} pacemaker\n" #~ msgstr "lrmadmin -M stonith {type} pacemaker\n" #~ msgid "The output should be XML formatted text containing additional parameter descriptions" #~ msgstr "输出应该是XML格式的文本文件，它包含了更详细的描述" #~ msgid "Create a file called stonith.xml containing a primitive resource with a class of stonith, a type of {type} and a parameter for each of the values returned in step 2" #~ msgstr "创建stonith.xml文件 包含了一个原始的源，它定义了资stonith类下面的某个type和这个type所需的参数。" #~ msgid "Create a clone from the primitive resource if the device can shoot more than one node and supports multiple simultaneous connections." #~ msgstr "如果这个设备可以击杀多个设备并且支持从多个节点连接过来，那我们从这个原始资源创建一个克隆。" #~ msgid "Upload it into the CIB using cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgstr "使用cibadmin来更新CIB配置文件:cibadmin -C -o resources --xml-file stonith.xml" #~ msgid "" #~ "\n" #~ "stonith -t external/ibmrsa -n\n" #~ "[root@pcmk-1 ~]# stonith -t external/ibmrsa -n\n" #~ "hostname  ipaddr  userid  passwd  type\n" #~ msgstr "" #~ "\n" #~ "stonith -t external/ibmrsa -n\n" #~ "[root@pcmk-1 ~]# stonith -t external/ibmrsa -n\n" #~ "hostname  ipaddr  userid  passwd  type\n" #~ msgid "Assuming we know the username and password for the management interface, we would create a STONITH resource with the shell" #~ msgstr "假设我们知道管理界面的用户名和密码，我们要创建一个STONITH的资源:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new stonith\n" #~ "INFO: stonith shadow CIB created\n" #~ "crm(stonith)# configure primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "crm(stonith)# configure clone Fencing rsa-fencing\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm \n" #~ "crm(live)# cib new stonith\n" #~ "INFO: stonith shadow CIB created\n" #~ "crm(stonith)# configure primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ "        params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "crm(stonith)# configure clone Fencing rsa-fencing\n" #~ msgid "" #~ "\n" #~ "crm(stonith)# configure property stonith-enabled=\"true\"\n" #~ "crm(stonith)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ " params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ " op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone Fencing rsa-fencing \n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" #~ msgstr "" #~ "\n" #~ "crm(stonith)# configure property stonith-enabled=\"true\"\n" #~ "crm(stonith)# configure show\n" #~ "node pcmk-1\n" #~ "node pcmk-2\n" #~ "primitive WebData ocf:linbit:drbd \\\n" #~ "        params drbd_resource=\"wwwdata\" \\\n" #~ "        op monitor interval=\"60s\"\n" #~ "primitive WebFS ocf:heartbeat:Filesystem \\\n" #~ "        params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=”gfs2”\n" #~ "primitive WebSite ocf:heartbeat:apache \\\n" #~ "        params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" #~ "        op monitor interval=\"1min\"\n" #~ "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" #~ "        params ip=”192.168.122.101” cidr_netmask=”32” clusterip_hash=”sourceip” \\\n" #~ "        op monitor interval=\"30s\"\n" #~ "primitive dlm ocf:pacemaker:controld \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive gfs-control ocf:pacemaker:controld \\\n" #~ "   params daemon=”gfs_controld.pcmk” args=”-g 0” \\\n" #~ "        op monitor interval=\"120s\"\n" #~ "primitive rsa-fencing stonith::external/ibmrsa \\\n" #~ " params hostname=”pcmk-1 pcmk-2\" ipaddr=192.168.122.31 userid=mgmt passwd=abc123 type=ibm \\\n" #~ " op monitor interval=\"60s\"\n" #~ "ms WebDataClone WebData \\\n" #~ "        meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" #~ "clone Fencing rsa-fencing \n" #~ "clone WebFSClone WebFS\n" #~ "clone WebIP ClusterIP  \\\n" #~ "        meta globally-unique=”true” clone-max=”2” clone-node-max=”2”\n" #~ "clone WebSiteClone WebSite\n" #~ "clone dlm-clone dlm \\\n" #~ "        meta interleave=\"true\"\n" #~ "clone gfs-clone gfs-control \\\n" #~ "        meta interleave=\"true\"\n" #~ "colocation WebFS-with-gfs-control inf: WebFSClone gfs-clone\n" #~ "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" #~ "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" #~ "colocation gfs-with-dlm inf: gfs-clone dlm-clone\n" #~ "colocation website-with-ip inf: WebSiteClone WebIP\n" #~ "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" #~ "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" #~ "order apache-after-ip inf: WebIP WebSiteClone\n" #~ "order start-WebFS-after-gfs-control inf: gfs-clone WebFSClone\n" #~ "order start-gfs-after-dlm inf: dlm-clone gfs-clone\n" #~ "property $id=\"cib-bootstrap-options\" \\\n" #~ "        dc-version=\"1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\" \\\n" #~ "        cluster-infrastructure=\"openais\" \\\n" #~ "        expected-quorum-votes=”2” \\\n" #~ "        stonith-enabled=\"true\" \\\n" #~ "        no-quorum-policy=\"ignore\"\n" #~ "rsc_defaults $id=\"rsc-options\" \\\n" #~ "        resource-stickiness=”100”\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Tools.mo000066400000000000000000000250211217637305600242600ustar00rootroot00000000000000 l , |/ ;~v, d%A&&'3}(I()   [root@pcmk-1 ~]# crm --help usage:     crm [-D display_type]     crm [-D display_type] args     crm [-D display_type] [-f file]     Use crm without arguments for an interactive session.     Supply one or more arguments for a "single-shot" use.     Specify with -f a file which contains a script. Use '-' for     standard input or use pipe/redirection.     crm displays cli format configurations using a color scheme     and/or in uppercase. Pick one of "color" or "uppercase", or     use "-D color,uppercase" if you want colorful uppercase.     Get plain output by "-D plain". The default may be set in     user preferences (options). Examples:     # crm -f stopapp2.cli     # crm < stopapp2.cli     # crm resource stop global_www     # crm status [root@pcmk-1 ~]# crm_mon --version crm_mon 1.0.5 for OpenAIS and Heartbeat (Build: 462f1569a43740667daf7b0f6b521742e9eb8fa7) Written by Andrew Beekhof [root@pcmk-1 ~]# crm_mon --help crm_mon - Provides a summary of cluster's current state. Outputs varying levels of detail in a number of different formats. Usage: crm_mon mode [options] Options:  -?, --help                 This text  -$, --version             Version information  -V, --verbose             Increase debug output Modes:  -h, --as-html=value        Write cluster status to the named file  -w, --web-cgi             Web mode with output suitable for cgi  -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)  -S, --snmp-traps=value    Send SNMP traps to this station  -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix Display Options:  -n, --group-by-node       Group resources by node  -r, --inactive             Display inactive resources  -f, --failcounts           Display resource fail counts  -o, --operations           Display resource operation history  -t, --timing-details       Display resource operation history with timing details Additional Options:  -i, --interval=value           Update frequency in seconds  -1, --one-shot                 Display the cluster status once on the console and exit  -N, --disable-ncurses          Disable the use of ncurses  -d, --daemonize                Run in the background as a daemon  -p, --pid-file=value           (Advanced) Daemon pid file location  -F, --mail-from=value          Mail alerts should come from the named user  -H, --mail-host=value          Mail alerts should be sent via the named host  -P, --mail-prefix=value        Subjects for mail alerts should start with this string  -E, --external-agent=value     A program to run when resource operations take place.  -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone). Examples: Display the cluster´s status on the console with updates as they occur:         # crm_mon Display the cluster´s status on the console just once then exit:         # crm_mon Display your cluster´s status, group resources by node, and include inactive resources in the list:         # crm_mon --group-by-node --inactive Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:         # crm_mon --daemonize --as-html /path/to/docroot/filename.html Start crm_mon as a background daemon and have it send email alerts:         # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com Start crm_mon as a background daemon and have it send SNMP alerts:         # crm_mon --daemonize --snmp-traps snmptrapd.example.com Report bugs to pacemaker@oss.clusterlabs.org Additionally, the Pacemaker version and supported cluster stack(s) is available via the --version option.If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details.In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster.Since Pacemaker 1.0, this has all changed and we have an integrated, scriptable, cluster shell that hides all the messy XML scaffolding. It even allows you to queue up several changes at once and commit them atomically.Take some time to familiarize yourself with what it can do.The primary tool for monitoring the status of the cluster is crm_mon (also available as crm status). It can be run in a variety of modes and has a number of output options. To find out about any of the tools that come with Pacemaker, simply invoke them with the --help option or consult the included man pages. Both sets of output are created from the tool, and so will always be in sync with each other and the tool itself.Using Pacemaker ToolsProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-15 23:43+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [root@pcmk-1 ~]# crm --help usage:     crm [-D display_type]     crm [-D display_type] args     crm [-D display_type] [-f file]     Use crm without arguments for an interactive session.     Supply one or more arguments for a "single-shot" use.     Specify with -f a file which contains a script. Use '-' for     standard input or use pipe/redirection.     crm displays cli format configurations using a color scheme     and/or in uppercase. Pick one of "color" or "uppercase", or     use "-D color,uppercase" if you want colorful uppercase.     Get plain output by "-D plain". The default may be set in     user preferences (options). Examples:     # crm -f stopapp2.cli     # crm < stopapp2.cli     # crm resource stop global_www     # crm status [root@pcmk-1 ~]# crm_mon --version crm_mon 1.0.5 for OpenAIS and Heartbeat (Build: 462f1569a43740667daf7b0f6b521742e9eb8fa7) Written by Andrew Beekhof [root@pcmk-1 ~]# crm_mon --help crm_mon - Provides a summary of cluster's current state. Outputs varying levels of detail in a number of different formats. Usage: crm_mon mode [options] Options:  -?, --help                 This text  -$, --version             Version information  -V, --verbose             Increase debug output Modes:  -h, --as-html=value        Write cluster status to the named file  -w, --web-cgi             Web mode with output suitable for cgi  -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)  -S, --snmp-traps=value    Send SNMP traps to this station  -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix Display Options:  -n, --group-by-node       Group resources by node  -r, --inactive             Display inactive resources  -f, --failcounts           Display resource fail counts  -o, --operations           Display resource operation history  -t, --timing-details       Display resource operation history with timing details Additional Options:  -i, --interval=value           Update frequency in seconds  -1, --one-shot                 Display the cluster status once on the console and exit  -N, --disable-ncurses          Disable the use of ncurses  -d, --daemonize                Run in the background as a daemon  -p, --pid-file=value           (Advanced) Daemon pid file location  -F, --mail-from=value          Mail alerts should come from the named user  -H, --mail-host=value          Mail alerts should be sent via the named host  -P, --mail-prefix=value        Subjects for mail alerts should start with this string  -E, --external-agent=value     A program to run when resource operations take place.  -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone). Examples: Display the cluster´s status on the console with updates as they occur:         # crm_mon Display the cluster´s status on the console just once then exit:         # crm_mon Display your cluster´s status, group resources by node, and include inactive resources in the list:         # crm_mon --group-by-node --inactive Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:         # crm_mon --daemonize --as-html /path/to/docroot/filename.html Start crm_mon as a background daemon and have it send email alerts:         # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com Start crm_mon as a background daemon and have it send SNMP alerts:         # crm_mon --daemonize --snmp-traps snmptrapd.example.com Report bugs to pacemaker@oss.clusterlabs.org 此外，Pacemaker的版本和支持的stack(本文中是corosync)可以通过 --version选项看到如果SNMP或者email选项没有出现在选项中，说明pacemaker编译的时候没有打开对他们的支持，你需要联系提供这个发行版本的人，或者自己编译。在万恶的旧社会，配置Pacemaker需要管理员具备读写XML的能力。 根据UNIX精神，也有许多不同的查询和配置集群的命令。自从Pacemaker 1.0，这一切都改变了，我们有了一个集成的脚本化的集群控制shell,它把麻烦的XML配置隐藏了起来。它甚至允许你一次做出许多修改并自动提交(并检测是否合法)。让我们花点时间熟悉一下它能做什么。监控集群状态的主要命令是 crm_mon(跟crm status是一样的效果)。它可以运行在很多模式下并且有许多输出选项。如果要查看Pacemaker相应的工具，可以通过--help或者man pages来查看。这些输出都是靠命令来生成的，所以它总是会在各个节点和工具之间同步。使用Pacemaker工具pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Tools.po000066400000000000000000000373451217637305600242770ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:43+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Pacemaker Tools" msgstr "使用Pacemaker工具" #. Tag: title #, no-c-format msgid "Using Pacemaker Tools" msgstr "使用Pacemaker工具" #. Tag: para #, no-c-format msgid "In the dark past, configuring Pacemaker required the administrator to read and write XML. In true UNIX style, there were also a number of different commands that specialized in different aspects of querying and updating the cluster." msgstr "在万恶的旧社会，配置Pacemaker需要管理员具备读写XML的能力。 根据UNIX精神，也有许多不同的查询和配置集群的命令。" #. Tag: para #, no-c-format msgid "All of that has been greatly simplified with the creation of unified command-line shells (and GUIs) that hide all the messy XML scaffolding." msgstr "" #. Tag: para #, no-c-format msgid "These shells take all the individual aspects required for managing and configuring a cluster, and packs them into one simple to use command line tool." msgstr "" #. Tag: para #, no-c-format msgid "They even allow you to queue up several changes at once and commit them atomically." msgstr "" #. Tag: para #, no-c-format msgid "There are currently two command-line shells that people use, pcs and crmsh. This edition of Clusters from Scratch is based on pcs. Start by taking some time to familiarize yourself with what it can do." msgstr "" #. Tag: para #, no-c-format msgid "The two shells share many concepts but the scope, layout and syntax does differ, so make sure you read the version of this guide that corresponds to the software installed on your system." msgstr "" #. Tag: para #, no-c-format msgid "Since pcs has the ability to manage all aspects of the cluster (both corosync and pacemaker), it requires a specific cluster stack to be in use, (corosync 2.0 with votequorum + Pacemaker version >= 1.8)." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Control and configure pacemaker and corosync.\n" "\n" "Options:\n" " -h Display usage and exit\n" " -f file Perform actions on file instead of active CIB\n" "\n" "Commands:\n" " resource Manage cluster resources\n" " cluster Configure cluster options and nodes\n" " stonith Configure fence devices\n" " property Set pacemaker properties\n" " constraint Set resource constraints\n" " status View cluster status" msgstr "" #. Tag: para #, no-c-format msgid "As you can see, the different aspects of cluster management are broken up into categories: resource, cluster, stonith, property, constraint, and status. To discover the functionality available in each of these categories, one can issue the command pcs <category> help. Below is an example of all the options available under the status category." msgstr "" #. Tag: programlisting #, no-c-format msgid "# pcs status help" msgstr "" #. Tag: literallayout #, no-c-format msgid "" "Usage: pcs status [commands]...\n" "View current cluster and resource status\n" "Commands:\n" " status\n" " View all information about the cluster and resources\n" "\n" " status resources\n" " View current status of cluster resources\n" "\n" " status groups\n" " View currently configured groups and their resources\n" "\n" " status cluster\n" " View current cluster status\n" "\n" " status corosync\n" " View current corosync status\n" "\n" " status nodes [corosync]\n" " View current status of nodes from pacemaker, or if corosync is\n" " specified, print nodes currently configured in corosync\n" "\n" " status actions\n" " View failed actions\n" "\n" " status pcsd <node> ...\n" " Show the current status of pcsd on the specified nodes\n" "\n" " status xml\n" " View xml version of status (output from crm_mon -r -1 -X)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Additionally, if you are interested in the Pacemaker version and supported cluster stack(s) available with your current Pacemaker installation, the pacemakerd --features option is available to you." msgstr "此外，Pacemaker的版本和支持的stack(本文中是corosync)可以通过 --version选项看到" #. Tag: programlisting #, no-c-format msgid "# pacemakerd --features" msgstr "" #. Tag: screen #, no-c-format msgid "" "Pacemaker 1.1.8 (Build: 434edfa)\n" " Supporting: generated-manpages agent-manpages ascii-docs publican-docs ncurses gcov libqb-logging libqb-ipc lha-fencing upstart systemd heartbeat corosync-native snmp" msgstr "" #. Tag: para #, no-c-format msgid "If the SNMP and/or email options are not listed, then Pacemaker was not built to support them. This may be by the choice of your distribution or the required libraries may not have been available. Please contact whoever supplied you with the packages for more details." msgstr "如果SNMP或者email选项没有出现在选项中，说明pacemaker编译的时候没有打开对他们的支持，你需要联系提供这个发行版本的人，或者自己编译。" #~ msgid "Since Pacemaker 1.0, this has all changed and we have an integrated, scriptable, cluster shell that hides all the messy XML scaffolding. It even allows you to queue up several changes at once and commit them atomically." #~ msgstr "自从Pacemaker 1.0，这一切都改变了，我们有了一个集成的脚本化的集群控制shell,它把麻烦的XML配置隐藏了起来。它甚至允许你一次做出许多修改并自动提交(并检测是否合法)。" #~ msgid "Take some time to familiarize yourself with what it can do." #~ msgstr "让我们花点时间熟悉一下它能做什么。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm --help\n" #~ "\n" #~ "usage:\n" #~ "    crm [-D display_type]\n" #~ "    crm [-D display_type] args\n" #~ "    crm [-D display_type] [-f file]\n" #~ "\n" #~ "    Use crm without arguments for an interactive session.\n" #~ "    Supply one or more arguments for a \"single-shot\" use.\n" #~ "    Specify with -f a file which contains a script. Use '-' for\n" #~ "    standard input or use pipe/redirection.\n" #~ "\n" #~ "    crm displays cli format configurations using a color scheme\n" #~ "    and/or in uppercase. Pick one of \"color\" or \"uppercase\", or\n" #~ "    use \"-D color,uppercase\" if you want colorful uppercase.\n" #~ "    Get plain output by \"-D plain\". The default may be set in\n" #~ "    user preferences (options).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "    # crm -f stopapp2.cli\n" #~ "    # crm < stopapp2.cli\n" #~ "    # crm resource stop global_www\n" #~ "    # crm status\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm --help\n" #~ "\n" #~ "usage:\n" #~ "    crm [-D display_type]\n" #~ "    crm [-D display_type] args\n" #~ "    crm [-D display_type] [-f file]\n" #~ "\n" #~ "    Use crm without arguments for an interactive session.\n" #~ "    Supply one or more arguments for a \"single-shot\" use.\n" #~ "    Specify with -f a file which contains a script. Use '-' for\n" #~ "    standard input or use pipe/redirection.\n" #~ "\n" #~ "    crm displays cli format configurations using a color scheme\n" #~ "    and/or in uppercase. Pick one of \"color\" or \"uppercase\", or\n" #~ "    use \"-D color,uppercase\" if you want colorful uppercase.\n" #~ "    Get plain output by \"-D plain\". The default may be set in\n" #~ "    user preferences (options).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "    # crm -f stopapp2.cli\n" #~ "    # crm < stopapp2.cli\n" #~ "    # crm resource stop global_www\n" #~ "    # crm status\n" #~ msgid "The primary tool for monitoring the status of the cluster is crm_mon (also available as crm status). It can be run in a variety of modes and has a number of output options. To find out about any of the tools that come with Pacemaker, simply invoke them with the --help option or consult the included man pages. Both sets of output are created from the tool, and so will always be in sync with each other and the tool itself." #~ msgstr "监控集群状态的主要命令是 crm_mon(跟crm status是一样的效果)。它可以运行在很多模式下并且有许多输出选项。如果要查看Pacemaker相应的工具，可以通过--help或者man pages来查看。这些输出都是靠命令来生成的，所以它总是会在各个节点和工具之间同步。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon --version\n" #~ "crm_mon 1.0.5 for OpenAIS and Heartbeat (Build: 462f1569a43740667daf7b0f6b521742e9eb8fa7)\n" #~ "\n" #~ "Written by Andrew Beekhof\n" #~ "[root@pcmk-1 ~]# crm_mon --help\n" #~ "crm_mon - Provides a summary of cluster's current state.\n" #~ "\n" #~ "Outputs varying levels of detail in a number of different formats.\n" #~ "\n" #~ "Usage: crm_mon mode [options]\n" #~ "Options:\n" #~ " -?, --help                 This text\n" #~ " -$, --version             Version information\n" #~ " -V, --verbose             Increase debug output\n" #~ "\n" #~ "Modes:\n" #~ " -h, --as-html=value        Write cluster status to the named file\n" #~ " -w, --web-cgi             Web mode with output suitable for cgi\n" #~ " -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)\n" #~ " -S, --snmp-traps=value    Send SNMP traps to this station\n" #~ " -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix\n" #~ "\n" #~ "Display Options:\n" #~ " -n, --group-by-node       Group resources by node\n" #~ " -r, --inactive             Display inactive resources\n" #~ " -f, --failcounts           Display resource fail counts\n" #~ " -o, --operations           Display resource operation history\n" #~ " -t, --timing-details       Display resource operation history with timing details\n" #~ "\n" #~ "\n" #~ "Additional Options:\n" #~ " -i, --interval=value           Update frequency in seconds\n" #~ " -1, --one-shot                 Display the cluster status once on the console and exit\n" #~ " -N, --disable-ncurses          Disable the use of ncurses\n" #~ " -d, --daemonize                Run in the background as a daemon\n" #~ " -p, --pid-file=value           (Advanced) Daemon pid file location\n" #~ " -F, --mail-from=value          Mail alerts should come from the named user\n" #~ " -H, --mail-host=value          Mail alerts should be sent via the named host\n" #~ " -P, --mail-prefix=value        Subjects for mail alerts should start with this string\n" #~ " -E, --external-agent=value     A program to run when resource operations take place.\n" #~ " -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "Display the cluster´s status on the console with updates as they occur:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display the cluster´s status on the console just once then exit:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display your cluster´s status, group resources by node, and include inactive resources in the list:\n" #~ "        # crm_mon --group-by-node --inactive\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:\n" #~ "        # crm_mon --daemonize --as-html /path/to/docroot/filename.html\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send email alerts:\n" #~ "        # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send SNMP alerts:\n" #~ "        # crm_mon --daemonize --snmp-traps snmptrapd.example.com\n" #~ "\n" #~ "Report bugs to pacemaker@oss.clusterlabs.org\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# crm_mon --version\n" #~ "crm_mon 1.0.5 for OpenAIS and Heartbeat (Build: 462f1569a43740667daf7b0f6b521742e9eb8fa7)\n" #~ "\n" #~ "Written by Andrew Beekhof\n" #~ "[root@pcmk-1 ~]# crm_mon --help\n" #~ "crm_mon - Provides a summary of cluster's current state.\n" #~ "\n" #~ "Outputs varying levels of detail in a number of different formats.\n" #~ "\n" #~ "Usage: crm_mon mode [options]\n" #~ "Options:\n" #~ " -?, --help                 This text\n" #~ " -$, --version             Version information\n" #~ " -V, --verbose             Increase debug output\n" #~ "\n" #~ "Modes:\n" #~ " -h, --as-html=value        Write cluster status to the named file\n" #~ " -w, --web-cgi             Web mode with output suitable for cgi\n" #~ " -s, --simple-status       Display the cluster status once as a simple one line output (suitable for nagios)\n" #~ " -S, --snmp-traps=value    Send SNMP traps to this station\n" #~ " -T, --mail-to=value        Send Mail alerts to this user.  See also --mail-from, --mail-host, --mail-prefix\n" #~ "\n" #~ "Display Options:\n" #~ " -n, --group-by-node       Group resources by node\n" #~ " -r, --inactive             Display inactive resources\n" #~ " -f, --failcounts           Display resource fail counts\n" #~ " -o, --operations           Display resource operation history\n" #~ " -t, --timing-details       Display resource operation history with timing details\n" #~ "\n" #~ "\n" #~ "Additional Options:\n" #~ " -i, --interval=value           Update frequency in seconds\n" #~ " -1, --one-shot                 Display the cluster status once on the console and exit\n" #~ " -N, --disable-ncurses          Disable the use of ncurses\n" #~ " -d, --daemonize                Run in the background as a daemon\n" #~ " -p, --pid-file=value           (Advanced) Daemon pid file location\n" #~ " -F, --mail-from=value          Mail alerts should come from the named user\n" #~ " -H, --mail-host=value          Mail alerts should be sent via the named host\n" #~ " -P, --mail-prefix=value        Subjects for mail alerts should start with this string\n" #~ " -E, --external-agent=value     A program to run when resource operations take place.\n" #~ " -e, --external-recipient=value A recipient for your program (assuming you want the program to send something to someone).\n" #~ "\n" #~ "Examples:\n" #~ "\n" #~ "Display the cluster´s status on the console with updates as they occur:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display the cluster´s status on the console just once then exit:\n" #~ "        # crm_mon\n" #~ "\n" #~ "Display your cluster´s status, group resources by node, and include inactive resources in the list:\n" #~ "        # crm_mon --group-by-node --inactive\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it write the cluster´s status to an HTML file:\n" #~ "        # crm_mon --daemonize --as-html /path/to/docroot/filename.html\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send email alerts:\n" #~ "        # crm_mon --daemonize --mail-to user@example.com --mail-host mail.example.com\n" #~ "\n" #~ "Start crm_mon as a background daemon and have it send SNMP alerts:\n" #~ "        # crm_mon --daemonize --snmp-traps snmptrapd.example.com\n" #~ "\n" #~ "Report bugs to pacemaker@oss.clusterlabs.org\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Verification.mo000066400000000000000000000233021217637305600256020ustar00rootroot00000000000000<?e  or"SZY4  &CTaVe3 #{$(%Q.%Z%1%! &/&E&]&Kv&    [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# grep -e "corosync.*network interface" -e "Corosync Cluster Engine" -e "Successfully read main configuration file" /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service. Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'. [root@pcmk-1 ~]# grep TOTEM /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP). Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0). Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up. Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. [root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Aug 27 16:54:55 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 0 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] [root@pcmk-1 ~]# grep TOTEM /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP). Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0). Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up. Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. [root@pcmk-1 ~]# grep pcmk_startup /var/log/messages Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615 Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9 Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1 [root@pcmk-1 ~]# ps axf   PID TTY      STAT   TIME COMMAND     2 ?        S<     0:00 [kthreadd]     3 ?        S<     0:00  \_ [migration/0] ... lots of processes ...  2166 pts/0    SLl    0:01 /usr/sbin/corosync  2172 ?        SLs    0:00  \_ /usr/lib64/heartbeat/stonithd  2173 pts/0    S      0:00  \_ /usr/lib64/heartbeat/cib  2174 pts/0    S      0:00  \_ /usr/lib64/heartbeat/lrmd  2175 pts/0    S      0:00  \_ /usr/lib64/heartbeat/attrd  2176 pts/0    S      0:00  \_ /usr/lib64/heartbeat/pengine  2177 pts/0    S      0:00  \_ /usr/lib64/heartbeat/crmd [root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# And finally, check for any ERRORs during startup, there shouldn’t be any, and display the cluster’s status.Check the cluster formed correctlyCheck the cluster started correctly and that an initial membership was able to formNow that we have confirmed that Corosync is functional we can check the rest of the stack.Now verify the Pacemaker processes have been startedStart Corosync on the first nodeVerify Cluster InstallationVerify Corosync InstallationVerify Pacemaker InstallationWith one node functional, its now safe to start Corosync on the second node as well.Project-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-16 00:39+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit [root@pcmk-1 ~]# /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# grep -e "corosync.*network interface" -e "Corosync Cluster Engine" -e "Successfully read main configuration file" /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service. Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'. [root@pcmk-1 ~]# grep TOTEM /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP). Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0). Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up. Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. [root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources [root@pcmk-1 ~]# crm_mon ============ Last updated: Thu Aug 27 16:54:55 2009 Stack: openais Current DC: pcmk-1 - partition with quorum Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7 2 Nodes configured, 2 expected votes 0 Resources configured. ============ Online: [ pcmk-1 pcmk-2 ] [root@pcmk-1 ~]# grep TOTEM /var/log/messages Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP). Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0). Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up. Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed. [root@pcmk-1 ~]# grep pcmk_startup /var/log/messages Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615 Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9 Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1 [root@pcmk-1 ~]# ps axf   PID TTY      STAT   TIME COMMAND     2 ?        S<     0:00 [kthreadd]     3 ?        S<     0:00  \_ [migration/0] ... lots of processes ...  2166 pts/0    SLl    0:01 /usr/sbin/corosync  2172 ?        SLs    0:00  \_ /usr/lib64/heartbeat/stonithd  2173 pts/0    S      0:00  \_ /usr/lib64/heartbeat/cib  2174 pts/0    S      0:00  \_ /usr/lib64/heartbeat/lrmd  2175 pts/0    S      0:00  \_ /usr/lib64/heartbeat/attrd  2176 pts/0    S      0:00  \_ /usr/lib64/heartbeat/pengine  2177 pts/0    S      0:00  \_ /usr/lib64/heartbeat/crmd [root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start Starting Corosync Cluster Engine (corosync): [ OK ] [root@pcmk-1 ~]# 最后我们检查启动的过程中有没有错误，按照常理应该没有任何错误并显示集群当前的状态。检查集群关系有没有正确建立:查看集群是否正确启动并且已经可以与其他节点建立集群关系现在我们已经确认Corosync正常，我们可以开始检查其他部分是否正常.现在确认pacemaker进程是否正常启动了:在第一个节点启动Corosync:检验集群的安装检验Corosync的安装检查Pacemaker的安装第一个节点正常以后，我们可以安全地启动第二个节点。pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Ch-Verification.po000066400000000000000000000356571217637305600256250ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-16 00:39+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Verify Cluster Installation" msgstr "检验集群的安装" #. Tag: title #, no-c-format msgid "Start the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Now that corosync is configured, it is time to start the cluster. The command below will start corosync and pacemaker on both nodes in the cluster. If you are issuing the start command from a different node than the one you ran the pcs cluster auth command on earlier, you must authenticate on current node you are logged into before you will be allowed to start the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start --all\n" "pcmk-1: Starting Cluster...\n" "pcmk-2: Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "An alternative to using the pcs cluster startall command is to issue either of the below commands on each node in the cluster by hand." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs cluster start\n" "Starting Cluster..." msgstr "" #. Tag: para #, no-c-format msgid "or" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# systemctl start corosync.service\n" "# systemctl start pacemaker.service" msgstr "" #. Tag: title #, no-c-format msgid "Verify Corosync Installation" msgstr "检验Corosync的安装" #. Tag: para #, no-c-format msgid "The first thing to check is if cluster communication is happy, for that we use corosync-cfgtool." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cfgtool -s\n" "Printing ring status.\n" "Local node ID 1\n" "RING ID 0\n" " id = 192.168.122.101\n" " status = ring 0 active with no faults" msgstr "" #. Tag: para #, no-c-format msgid "We can see here that everything appears normal with our fixed IP address, not a 127.0.0.x loopback address, listed as the id and no faults for the status." msgstr "" #. Tag: para #, no-c-format msgid "If you see something different, you might want to start by checking the node’s network, firewall and selinux configurations." msgstr "" #. Tag: para #, no-c-format msgid "Next we check the membership and quorum APIs:" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# corosync-cmapctl | grep members\n" "runtime.totem.pg.mrp.srp.members.1.ip (str) = r(0) ip(192.168.122.101)\n" "runtime.totem.pg.mrp.srp.members.1.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.1.status (str) = joined\n" "runtime.totem.pg.mrp.srp.members.2.ip (str) = r(0) ip(192.168.122.102)\n" "runtime.totem.pg.mrp.srp.members.2.join_count (u32) = 1\n" "runtime.totem.pg.mrp.srp.members.2.status (str) = joined\n" "\n" "# pcs status corosync\n" "Membership information\n" " --------------------------\n" " Nodeid Votes Name\n" " 1 1 pcmk-1\n" " 2 1 pcmk-2" msgstr "" #. Tag: para #, no-c-format msgid "You should see both nodes have joined the cluster." msgstr "" #. Tag: para #, no-c-format msgid "All good!" msgstr "" #. Tag: title #, no-c-format msgid "Verify Pacemaker Installation" msgstr "检查Pacemaker的安装" #. Tag: para #, fuzzy, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack. Pacemaker has already been started, so verify the necessary processes are running." msgstr "现在我们已经确认Corosync正常，我们可以开始检查其他部分是否正常." #. Tag: programlisting #, no-c-format msgid "" "# ps axf\n" " PID TTY STAT TIME COMMAND\n" " 2 ? S 0:00 [kthreadd]\n" "...lots of processes...\n" "28019 ? Ssl 0:03 /usr/sbin/corosync\n" "28047 ? Ss 0:00 /usr/sbin/pacemakerd -f\n" "28048 ? Ss 0:00 \\_ /usr/libexec/pacemaker/cib\n" "28049 ? Ss 0:00 \\_ /usr/libexec/pacemaker/stonithd\n" "28050 ? Ss 0:00 \\_ /usr/lib64/heartbeat/lrmd\n" "28051 ? Ss 0:00 \\_ /usr/libexec/pacemaker/attrd\n" "28052 ? Ss 0:00 \\_ /usr/libexec/pacemaker/pengine\n" "28053 ? Ss 0:00 \\_ /usr/libexec/pacemaker/crmd" msgstr "" #. Tag: para #, no-c-format msgid "If that looks ok, check the pcs status output." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "# pcs status\n" "Last updated: Fri Sep 14 09:52:25 2012\n" "Last change: Fri Sep 14 09:51:55 2012 via crmd on pcmk-2\n" "Stack: corosync\n" "Current DC: pcmk-2 (2) - partition with quorum\n" "Version: 1.1.8-1.el7-60a19ed12fdb4d5c6a6b6767f52e5391e447fec0\n" "2 Nodes configured, unknown expected votes\n" "0 Resources configured.\n" "\n" "Online: [ pcmk-1 pcmk-2 ]\n" "\n" "Full list of resources:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Next, check for any ERRORs during startup - there shouldn’t be any." msgstr "最后我们检查启动的过程中有没有错误，按照常理应该没有任何错误并显示集群当前的状态。" #. Tag: programlisting #, no-c-format msgid "# grep -i error /var/log/messages" msgstr "" #. Tag: para #, no-c-format msgid "Repeat these checks on the other node. The results should be the same." msgstr "" #~ msgid "Start Corosync on the first node" #~ msgstr "在第一个节点启动Corosync:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ msgid "Check the cluster started correctly and that an initial membership was able to form" #~ msgstr "查看集群是否正确启动并且已经可以与其他节点建立集群关系" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e \"corosync.*network interface\" -e \"Corosync Cluster Engine\" -e \"Successfully read main configuration file\" /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service.\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'.\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep -e \"corosync.*network interface\" -e \"Corosync Cluster Engine\" -e \"Successfully read main configuration file\" /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Corosync Cluster Engine ('1.1.0'): started and ready to provide service.\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [MAIN  ] Successfully read main configuration file '/etc/corosync/corosync.conf'.\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgid "With one node functional, its now safe to start Corosync on the second node as well." #~ msgstr "第一个节点正常以后，我们可以安全地启动第二个节点。" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ssh pcmk-2 -- /etc/init.d/corosync start\n" #~ "Starting Corosync Cluster Engine (corosync): [ OK ]\n" #~ "[root@pcmk-1 ~]#\n" #~ msgid "Check the cluster formed correctly" #~ msgstr "检查集群关系有没有正确建立:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ "Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep TOTEM /var/log/messages\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transport (UDP/IP).\n" #~ "Aug 27 09:05:34 pcmk-1 corosync[1540]: [TOTEM ] Initializing transmit/receive security: libtomcrypt SOBER128/SHA1HMAC (mode 0).\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] The network interface [192.168.122.101] is now up.\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ "Aug 27 09:12:11 pcmk-1 corosync[1540]: [TOTEM ] A processor joined or left the membership and a new membership was formed.\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep pcmk_startup /var/log/messages\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep pcmk_startup /var/log/messages\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: CRM: Initialized\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] Logging: Initialized pcmk_startup\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Maximum core file size is: 18446744073709551615\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Service: 9\n" #~ "Aug 27 09:05:35 pcmk-1 corosync[1540]:   [pcmk  ] info: pcmk_startup: Local hostname: pcmk-1\n" #~ msgid "Now verify the Pacemaker processes have been started" #~ msgstr "现在确认pacemaker进程是否正常启动了:" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# ps axf\n" #~ "  PID TTY      STAT   TIME COMMAND\n" #~ "    2 ?        S<     0:00 [kthreadd]\n" #~ "    3 ?        S<     0:00  \\_ [migration/0]\n" #~ "... lots of processes ...\n" #~ " 2166 pts/0    SLl    0:01 /usr/sbin/corosync\n" #~ " 2172 ?        SLs    0:00  \\_ /usr/lib64/heartbeat/stonithd\n" #~ " 2173 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/cib\n" #~ " 2174 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/lrmd\n" #~ " 2175 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/attrd\n" #~ " 2176 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/pengine\n" #~ " 2177 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/crmd\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# ps axf\n" #~ "  PID TTY      STAT   TIME COMMAND\n" #~ "    2 ?        S<     0:00 [kthreadd]\n" #~ "    3 ?        S<     0:00  \\_ [migration/0]\n" #~ "... lots of processes ...\n" #~ " 2166 pts/0    SLl    0:01 /usr/sbin/corosync\n" #~ " 2172 ?        SLs    0:00  \\_ /usr/lib64/heartbeat/stonithd\n" #~ " 2173 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/cib\n" #~ " 2174 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/lrmd\n" #~ " 2175 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/attrd\n" #~ " 2176 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/pengine\n" #~ " 2177 pts/0    S      0:00  \\_ /usr/lib64/heartbeat/crmd\n" #~ msgid "" #~ "\n" #~ "[root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Aug 27 16:54:55 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "0 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" #~ msgstr "" #~ "\n" #~ "[root@pcmk-1 ~]# grep ERROR: /var/log/messages | grep -v unpack_resources\n" #~ "[root@pcmk-1 ~]# crm_mon\n" #~ "============\n" #~ "Last updated: Thu Aug 27 16:54:55 2009\n" #~ "Stack: openais\n" #~ "Current DC: pcmk-1 - partition with quorum\n" #~ "Version: 1.0.5-462f1569a43740667daf7b0f6b521742e9eb8fa7\n" #~ "2 Nodes configured, 2 expected votes\n" #~ "0 Resources configured.\n" #~ "============\n" #~ "\n" #~ "Online: [ pcmk-1 pcmk-2 ]\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Clusters_from_Scratch.mo000066400000000000000000000005001217637305600271210ustar00rootroot00000000000000$,89Project-Id-Version: 0 POT-Creation-Date: 2010-09-22T10:48:14 PO-Revision-Date: 2010-12-15 19:18+0800 Last-Translator: Charlie Chen Language-Team: None MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Clusters_from_Scratch.po000066400000000000000000000005541217637305600271350ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2010-12-15T12:27:01\n" "PO-Revision-Date: 2010-12-15 19:18+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Preface.mo000066400000000000000000000005471217637305600242030ustar00rootroot00000000000000,<PQY`PrefaceProject-Id-Version: 0 POT-Creation-Date: 2010-09-22T10:48:14 PO-Revision-Date: 2010-12-15 19:18+0800 Last-Translator: Charlie Chen Language-Team: None MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 前言pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Preface.po000066400000000000000000000006521217637305600242030ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2010-12-15T23:32:37\n" "PO-Revision-Date: 2010-12-15 19:18+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "前言" pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Revision_History.mo000066400000000000000000000010031217637305600261410ustar00rootroot00000000000000Dl AndrewBeekhofImport from Pages.appRevision HistoryProject-Id-Version: 0 POT-Creation-Date: 2010-12-15T23:32:37 PO-Revision-Date: 2010-12-15 23:43+0800 Last-Translator: Charlie Chen Language-Team: None Language: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit AndrewBeekhofImport from Pages.app修订历史pacemaker-master/doc/Clusters_from_Scratch/zh-CN/Revision_History.po000066400000000000000000000025121217637305600261520ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:03\n" "PO-Revision-Date: 2010-12-15 23:43+0800\n" "Last-Translator: Charlie Chen \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "修订历史" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "Import from Pages.app" #. Tag: firstname #, no-c-format msgid "Raoul" msgstr "" #. Tag: surname #, no-c-format msgid "Scarazzini" msgstr "" #. Tag: member #, no-c-format msgid "Italian translation" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 13" msgstr "" #. Tag: member #, no-c-format msgid "Update the GFS2 section to use CMAN" msgstr "" #. Tag: member #, no-c-format msgid "Generate docbook content from asciidoc sources" msgstr "" #. Tag: member #, no-c-format msgid "Updated for Fedora 17" msgstr "" #. Tag: firstname #, no-c-format msgid "David" msgstr "" #. Tag: surname #, no-c-format msgid "Vossel" msgstr "" #. Tag: member #, no-c-format msgid "Updated for pcs" msgstr "" pacemaker-master/doc/Makefile.am000066400000000000000000000200271217637305600171130ustar00rootroot00000000000000# # doc: Pacemaker code # # Copyright (C) 2008 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # MAINTAINERCLEANFILES = Makefile.in helpdir = $(datadir)/$(PACKAGE) ascii = crm_fencing.txt acls.txt docbook = Pacemaker_Explained Clusters_from_Scratch Pacemaker_Remote doc_DATA = README.hb2openais $(ascii) $(generated_docs) publican_docs = generated_docs = generated_mans = DOCBOOK_FORMATS := html-desktop DOCBOOK_LANGS := en-US DOTs = $(wildcard */en-US/images/*.dot) SVG = $(wildcard */en-US/images/pcmk-*.svg) $(DOTs:%.dot=%.svg) PNGS = $(SVG:%.svg=%-small.png) $(SVG:%.svg=%.png) $(SVG:%.svg=%-large.png) \ Pacemaker_Explained/en-US/images/Policy-Engine-big.png \ Pacemaker_Explained/en-US/images/Policy-Engine-small.png \ Pacemaker_Remote/en-US/images/pcmk-ha-cluster-stack.png \ Pacemaker_Remote/en-US/images/pcmk-ha-remote-stack.png BRAND_PNGS = publican-clusterlabs/en-US/images/title_logo.png \ publican-clusterlabs/en-US/images/image_left.png \ publican-clusterlabs/en-US/images/image_right.png \ publican-clusterlabs/en-US/images/h1-bg.png graphics: $(PNGS) %.png: %.svg $(INKSCAPE) --file=$< --export-dpi=90 -C --export-png=$@ %-small.png: %.svg $(INKSCAPE) --file=$< --export-dpi=45 -C --export-png=$@ %-large.png: %.svg $(INKSCAPE) --file=$< --export-dpi=180 -C --export-png=$@ if BUILD_ASCIIDOC generated_docs += $(ascii:%.txt=%.html) if BUILD_DOCBOOK publican_docs += $(docbook) endif endif EXTRA_DIST = $(docbook:%=%.xml) %.html: %.txt $(ASCIIDOC) --unsafe --backend=xhtml11 $< %.8: %.8.txt a2x -L -f manpage $< # Build docbook from asciidoc because XML is a PITA to edit # # Build each chapter as a book (since the numbering isn't right for # articles and only books can have appendicies) and then strip out the # bits we don't want/need # %.xml: %.txt asciidoc -b docbook -a cli_name=$(ASCIIDOC_CLI_TYPE) -a $(ASCIIDOC_CLI_TYPE)=true -d book -o $@ $< sed -i.sed 's///' $@ sed -i.sed 's/ //' $@ # Fix line endings sed -i.sed 's/\ lang="en"//' $@ # Never specify a language in the chapters sed -i.sed 's/simpara/para/g' $@ # publican doesn't correctly render footnotes with simpara sed -i.sed 's/.*.*//g' $@ # Remove dangling tag sed -i.sed 's/.*preface>//g' $@ # Remove preface elements sed -i.sed 's:::g' $@ # Remove empty title sed -i.sed 's/chapter/section/g' $@ # Chapters become sections, so that books can become chapters sed -i.sed 's/<.*bookinfo.*>//g' $@ # Strip out bookinfo, we don't need it -grep -qis "//' $@ # We just want the appendix tag -grep -vqis "/chapter>/g' $@ # Rename to chapter echo Rebuilt $@ from $< CFS_TXT=$(wildcard Clusters_from_Scratch/en-US/*.txt) CFS_XML=$(CFS_TXT:%.txt=%.xml) # We have to hardcode the book name # With '%' the test for 'newness' fails Clusters_from_Scratch.build: $(PNGS) $(wildcard Clusters_from_Scratch/en-US/*.xml) $(CFS_XML) @echo Building $(@:%.build=%) because of $? rm -rf $(@:%.build=%)/publish/* cd $(@:%.build=%) && RPM_BUILD_DIR="" $(PUBLICAN) build --publish --langs=$(DOCBOOK_LANGS) --formats=$(DOCBOOK_FORMATS) rm -rf $(@:%.build=%)/tmp touch $@ PE_TXT=$(wildcard Pacemaker_Explained/en-US/*.txt) PE_XML=$(PE_TXT:%.txt=%.xml) # We have to hardcode the book name # With '%' the test for 'newness' fails Pacemaker_Explained.build: $(PNGS) $(wildcard Pacemaker_Explained/en-US/*.xml) $(PE_XML) @echo Building $(@:%.build=%) because of $? rm -rf $(@:%.build=%)/publish/* cd $(@:%.build=%) && RPM_BUILD_DIR="" $(PUBLICAN) build --publish --langs=$(DOCBOOK_LANGS) --formats=$(DOCBOOK_FORMATS) rm -rf $(@:%.build=%)/tmp touch $@ PR_TXT=$(wildcard Pacemaker_Remote/en-US/*.txt) PR_XML=$(PR_TXT:%.txt=%.xml) # We have to hardcode the book name # With '%' the test for 'newness' fails Pacemaker_Remote.build: $(PNGS) $(wildcard Pacemaker_Remote/en-US/*.xml) $(PR_XML) @echo Building $(@:%.build=%) because of $? rm -rf $(@:%.build=%)/publish/* cd $(@:%.build=%) && RPM_BUILD_DIR="" $(PUBLICAN) build --publish --langs=$(DOCBOOK_LANGS) --formats=$(DOCBOOK_FORMATS) rm -rf $(@:%.build=%)/tmp touch $@ # Update the translation template pot: for book in $(docbook); do \ echo "Updating translation templates in: $$book"; \ ( cd $$book && RPM_BUILD_DIR="" $(PUBLICAN) update_pot ); \ done # Update the actual translations po: pot for book in $(docbook); do \ echo "Updating translations in: $$book"; \ ( cd $$book && RPM_BUILD_DIR="" $(PUBLICAN) update_po --langs=all );\ done if BUILD_DOCBOOK docbook_build = $(docbook:%=%.build) all-local: $(docbook_build) */publican.cfg #install-data-local: all-local install-data-local: all-local for book in $(docbook); do \ filelist=`find $$book/publish/* -print`; \ for f in $$filelist; do \ p=`echo $$f | sed s:publish/:: | sed s:Pacemaker/::`; \ if [ -d $$f ]; then \ $(INSTALL) -d 775 $(DESTDIR)$(docdir)/$$p; \ else \ $(INSTALL) -m 644 $$f $(DESTDIR)$(docdir)/$$p; \ fi \ done; \ done endif brand: $(BRAND_PNGS) $(wildcard publican-clusterlabs/en-US/*.xml) cd publican-clusterlabs && publican build --formats=xml --langs=all --publish echo "Installing..." cd publican-clusterlabs && sudo publican install_brand --path=$(datadir)/publican/Common_Content # find publican-clusterlabs -name "*.noarch.rpm" -exec rm -f \{\} \; # cd publican-clusterlabs && $(PUBLICAN) package --binary # find publican-clusterlabs -name "*.noarch.rpm" -exec sudo rpm -Uvh --force \{\} \; pdf: make DOCBOOK_FORMATS="pdf" ASCIIDOC_CLI_TYPE=$(ASCIIDOC_CLI_TYPE) all-local # Make sure www-(pcs|crmsh) happen in serial www: make www-pcs make www-crmsh make $(generated_docs) $(ascii) rsync -rtz --progress $(generated_docs) $(ascii) $(asciiman) root@www.clusterlabs.org:/var/www/html/doc/ www-crmsh: make ASCIIDOC_CLI_TYPE=crmsh clean-local www-cli www-pcs: make ASCIIDOC_CLI_TYPE=pcs clean-local www-cli www-cli: for book in $(docbook); do \ sed -i.sed 's@brand:.*@brand: clusterlabs@' $$book/publican.cfg; \ sed -i.sed 's@version:.*@version: $(PACKAGE_SERIES)-$(ASCIIDOC_CLI_TYPE)@' $$book/publican.cfg; \ done make DOCBOOK_FORMATS="pdf,html,html-single,epub" DOCBOOK_LANGS="all" ASCIIDOC_CLI_TYPE=$(ASCIIDOC_CLI_TYPE) all-local echo Uploading current $(PACKAGE_SERIES)-$(ASCIIDOC_CLI_TYPE) documentation set to clusterlabs.org if BUILD_DOCBOOK for book in $(docbook); do \ echo Uploading $$book...; \ echo "Generated on `date` from version: $(shell git log --pretty="format:%h %d" -n 1)" >> $$book/publish/build-$(PACKAGE_SERIES)-$(ASCIIDOC_CLI_TYPE).txt; \ for lang in `ls -1 $$book/publish | grep [a-z][a-z]-[A-Z][A-Z]`; do \ mv $$book/publish/$$lang/Pacemaker/$(PACKAGE_SERIES)-$(ASCIIDOC_CLI_TYPE)/epub/$$book/Pacemaker-1.1{-$(ASCIIDOC_CLI_TYPE),}-$$book-$$lang.epub; \ mv $$book/publish/$$lang/Pacemaker/$(PACKAGE_SERIES)-$(ASCIIDOC_CLI_TYPE)/pdf/$$book/Pacemaker-1.1{-$(ASCIIDOC_CLI_TYPE),}-$$book-$$lang.pdf; \ done; \ rsync -rtz --progress $$book/publish/* root@www.clusterlabs.org:/var/www/html/doc/; \ sed -i.sed 's@version:.*@version: $(PACKAGE_SERIES)@' $$book/publican.cfg; \ done endif clean-local: -rm -rf $(generated_docs) $(generated_mans) $(docbook_build) $(CFS_XML) $(PE_XML) $(PR_XML) for book in $(docbook); do rm -rf $$book/tmp $$book/publish; done foo: rm -f $(CFS_XML) pacemaker-master/doc/Pacemaker_Explained/000077500000000000000000000000001217637305600207375ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Explained/en-US/000077500000000000000000000000001217637305600216665ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Changes.txt000066400000000000000000000060131217637305600243350ustar00rootroot00000000000000[appendix] == What Changed in 1.0 == === New === * Failure timeouts. See <> * New section for resource and operation defaults. See <> and <> * Tool for making offline configuration changes. See <> * +Rules, instance_attributes, meta_attributes+ and sets of operations can be defined once and referenced in multiple places. See <> * The CIB now accepts XPath-based create/modify/delete operations. See the pass:[cibadmin] help text. * Multi-dimensional colocation and ordering constraints. See <> and <> * The ability to connect to the CIB from non-cluster machines. See <> * Allow recurring actions to be triggered at known times. See <> === Changed === * Syntax ** All resource and cluster options now use dashes (-) instead of underscores (_) ** +master_slave+ was renamed to +master+ ** The +attributes+ container tag was removed ** The operation field +pre-req+ has been renamed +requires+ ** All operations must have an +interval+, +start+/+stop+ must have it set to zero * The +stonith-enabled+ option now defaults to true. * The cluster will refuse to start resources if +stonith-enabled+ is true (or unset) and no STONITH resources have been defined * The attributes of colocation and ordering constraints were renamed for clarity. See <> and <> * +resource-failure-stickiness+ has been replaced by +migration-threshold+. See <> * The parameters for command-line tools have been made consistent * Switched to 'RelaxNG' schema validation and 'libxml2' parser ** id fields are now XML IDs which have the following limitations: *** id's cannot contain colons (:) *** id's cannot begin with a number *** id's must be globally unique (not just unique for that tag) ** Some fields (such as those in constraints that refer to resources) are IDREFs. + This means that they must reference existing resources or objects in order for the configuration to be valid. Removing an object which is referenced elsewhere will therefore fail. + ** The CIB representation, from which a MD5 digest is calculated to verify CIBs on the nodes, has changed. + This means that every CIB update will require a full refresh on any upgraded nodes until the cluster is fully upgraded to 1.0. This will result in significant performance degradation and it is therefore highly inadvisable to run a mixed 1.0/0.6 cluster for any longer than absolutely necessary. + * Ping node information no longer needs to be added to _ha.cf_. + Simply include the lists of hosts in your ping resource(s). === Removed === * Syntax ** It is no longer possible to set resource meta options as top-level attributes. Use meta attributes instead. ** Resource and operation defaults are no longer read from +crm_config+. See <> and <> instead. pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Debug.xml000066400000000000000000000115541217637305600240020ustar00rootroot00000000000000 Debugging Cluster Startup

Corosync
Prerequisites Minimum logging configuration # /etc/init.d/openais start logging { to_syslog: yes syslog_facility: daemon } Whatever other logging you have, these two lines are required for Pacemaker clusters
Confirm Corosync Started
Expected output when starting openais # /etc/init.d/openais start Starting Corosync daemon (aisexec): starting... rc=0: OK
Expected log messages - startup # grep -e "openais.*network interface" -e "AIS Executive Service" /var/log/messages Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80' Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service. Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up. The versions may differ, but you should see Corosync indicate it started and sucessfully attached to the machine's network interface
Expected log messages - membership # grep CLM /var/log/messages Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration: Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left: Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined: Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration: Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left: Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined: Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41 The exact messages will differ, but you should see a new membership formed with the real IP address of your node
Checking Pacemaker Now that we have confirmed that Corosync is functional we can check the rest of the stack.
Expected Pacemaker startup logging for Corosync # grep pcmk_plugin_init /var/log/messages Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9 Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1 If you don't see these messages, or some like them, there is likely a problem finding or loading the pacemaker plugin.
Expected process listing on a 64-bit machine # ps axf 3718 ? Ssl 0:05 /usr/sbin/aisexec 3723 ? SLs 0:00 \_ /usr/lib64/heartbeat/stonithd 3724 ? S 0:05 \_ /usr/lib64/heartbeat/cib 3725 ? S 0:21 \_ /usr/lib64/heartbeat/lrmd 3726 ? S 0:01 \_ /usr/lib64/heartbeat/attrd 3727 ? S 0:00 \_ /usr/lib64/heartbeat/pengine 3728 ? S 0:01 \_ /usr/lib64/heartbeat/crmd On 32-bit systems the exact path may differ, but all the above processes should be listed.
pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-FAQ.xml000066400000000000000000000116211217637305600233560ustar00rootroot00000000000000 FAQ History Why is the Project Called PacemakernamingPacemaker? First of all, the reason its not called the CRM is because of the abundance of terms that are commonly abbreviated to those three letters. The Pacemaker name came from Kham, a good friend of mine, and was originally used by a Java GUI that I was prototyping in early 2007. Alas other commitments have prevented the GUI from progressing much and, when it came time to choose a name for this project, Lars suggested it was an even better fit for an independent CRM. The idea stems from the analogy between the role of this software and that of the little device that keeps the human heart pumping. Pacemaker monitors the cluster and intervenes when necessary to ensure the smooth operation of the services it provides. There were a number of other names (and acronyms) tossed around, but suffice to say "Pacemaker" was the best Why was the Pacemaker Project Created? The decision was made to spin-off the CRM into its own project after the 2.1.3 Heartbeat release in order to support both the Corosync and Heartbeat cluster stacks equally decouple the release cycles of two projects at very different stages of their life-cycles foster the clearer package boundaries, thus leading to better and more stable interfaces Setup What Messaging Layers Messaging Layers are Supported? Corosync () Heartbeat () Can I Choose which Messaging Layer to use at Run Time? Yes. The CRM will automatically detect which started it and behave accordingly. Can I Have a Mixed Heartbeat-Corosync Cluster? No. Which Messaging Layer Should I Choose? This is discussed in . Where Can I Get Pre-built Packages? Official packages for most major .rpm and based distributions are available from the ClusterLabs Website. For Debian packages, building from source and details on using the above repositories, see our installation page. What Versions of Pacemaker Are Supported? Please refer to the Releases page for an up-to-date list of versions supported directly by the project. When seeking assistance, please try to ensure you have one of these versions. pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Install.txt000066400000000000000000000067551217637305600244100ustar00rootroot00000000000000[appendix] [[ap-install]] == Installation == [WARNING] The following text may no longer be accurate in some places. === Choosing a Cluster Stack === indexterm:[Cluster,Choosing Between Heartbeat and Corosync] indexterm:[Cluster Stack,Corosync] indexterm:[Corosync] indexterm:[Cluster Stack,Heartbeat] indexterm:[Heartbeat] Ultimately the choice of cluster stack is a personal decision that must be made in the context of you or your company's needs and strategic direction. Pacemaker currently functions equally well with both stacks. Here are some factors that may influence the decision: * SUSE/Novell, Red Hat and Oracle are all putting their collective weight behind the Corosync cluster stack. * Using Corosync gives your applications access to the following additional cluster services ** distributed locking service ** extended virtual synchronization service ** cluster closed process group service * It is likely that Pacemaker, at some point in the future, will make use of some of these additional services not provided by Heartbeat === Enabling Pacemaker === ==== For Corosync ==== The Corosync configuration is normally located in '/etc/corosync/corosync.conf' and an example for a machine with an address of +1.2.3.4+ in a cluster communicating on port 1234 (without peer authentication and message encryption) is shown below. .An example Corosync configuration file [source,XML] ------- totem { version: 2 secauth: off threads: 0 interface { ringnumber: 0 bindnetaddr: 1.2.3.4 mcastaddr: 239.255.1.1 mcastport: 1234 } } logging { fileline: off to_syslog: yes syslog_facility: daemon } amf { mode: disabled } ------- The logging should be mostly obvious and the amf section refers to the Availability Management Framework and is not covered in this document. The interesting part of the configuration is the totem section. This is where we define how the node can communicate with the rest of the cluster and what protocol version and options (including encryption footnote:[ Please consult the Corosync website (http://www.corosync.org/) and documentation for details on enabling encryption and peer authentication for the cluster. ] ) it should use. Beginners are encouraged to use the values shown and modify the interface section based on their network. It is also possible to configure Corosync for an IPv6 based environment. Simply configure +bindnetaddr+ and +mcastaddr+ with their IPv6 equivalents, eg. .Example options for an IPv6 environment [source,Bash] ------- bindnetaddr: fec0::1:a800:4ff:fe00:20 mcastaddr: ff05::1 ------- To tell Corosync to use the Pacemaker cluster manager, add the following fragment to a functional Corosync configuration and restart the cluster. .Configuration fragment for enabling Pacemaker under Corosync [source,XML] ------- aisexec { user: root group: root } service { name: pacemaker ver: 0 } ------- The cluster needs to be run as root so that its child processes (the +lrmd+ in particular) have sufficient privileges to perform the actions requested of it. After all, a cluster manager that can't add an IP address or start apache is of little use. The second directive is the one that actually instructs the cluster to run Pacemaker. ==== For Heartbeat ==== Add the following to a functional _ha.cf_ configuration file and restart Heartbeat: .Configuration fragment for enabling Pacemaker under Heartbeat [source,Bash] crm respawn pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-LSB.txt000066400000000000000000000042641217637305600234130ustar00rootroot00000000000000[appendix] [[ap-lsb]] == init-Script LSB Compliance == The relevant part of http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html[LSB spec] includes a description of all the return codes listed here. Assuming +some_service+ is configured correctly and currently not active, the following sequence will help you determine if it is LSB compatible: . Start (stopped): + [source,C] # /etc/init.d/some_service start ; echo "result: $?" + .. Did the service start? .. Did the command print result: 0 (in addition to the regular output)? + . Status (running): + [source,C] # /etc/init.d/some_service status ; echo "result: $?" + .. Did the script accept the command? .. Did the script indicate the service was running? .. Did the command print result: 0 (in addition to the regular output)? + . Start (running): + [source,C] # /etc/init.d/some_service start ; echo "result: $?" + .. Is the service still running? .. Did the command print result: 0 (in addition to the regular output)? + . Stop (running): + [source,C] # /etc/init.d/some_service stop ; echo "result: $?" + .. Was the service stopped? .. Did the command print result: 0 (in addition to the regular output)? + . Status (stopped): + [source,C] # /etc/init.d/some_service status ; echo "result: $?" + .. Did the script accept the command? .. Did the script indicate the service was not running? .. Did the command print result: 3 (in addition to the regular output)? + . Stop (stopped): + [source,C] # /etc/init.d/some_service stop ; echo "result: $?" + .. Is the service still stopped? .. Did the command print result: 0 (in addition to the regular output)? + . Status (failed): + This step is not readily testable and relies on manual inspection of the script. + The script can use one of the error codes (other than 3) listed in the LSB spec to indicate that it is active but failed. This tells the cluster that before moving the resource to another node, it needs to stop it on the existing one first. If the answer to any of the above questions is no, then the script is not LSB compliant. Your options are then to either fix the script or write an OCF agent based on the existing script. pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-OCF.txt000066400000000000000000000170471217637305600234050ustar00rootroot00000000000000[appendix] [[ap-ocf]] == More About OCF Resource Agents == === Location of Custom Scripts === indexterm:[OCF Resource Agents] OCF Resource Agents are found in '/usr/lib/ocf/resource.d/+provider+'. When creating your own agents, you are encouraged to create a new directory under _/usr/lib/ocf/resource.d/_ so that they are not confused with (or overwritten by) the agents shipped with Heartbeat. So, for example, if you chose the provider name of bigCorp and wanted a new resource named bigApp, you would create a script called _/usr/lib/ocf/resource.d/bigCorp/bigApp_ and define a resource: [source,XML] === Actions === All OCF Resource Agents are required to implement the following actions .Required Actions for OCF Agents [width="95%",cols="3m,3,7",options="header",align="center"] |========================================================= |Action |Description |Instructions |start |Start the resource |Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active. indexterm:[start,OCF Action] indexterm:[OCF,Action,start] |stop |Stop the resource |Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped. indexterm:[stop,OCF Action] indexterm:[OCF,Action,stop] |monitor |Check the resource's state |Exit 0 if the resource is running, 7 if it is stopped, and anything else if it is failed. indexterm:[monitor,OCF Action] indexterm:[OCF,Action,monitor] NOTE: The monitor script should test the state of the resource on the local machine only. |meta-data |Describe the resource |Provide information about this resource as an XML snippet. Exit with 0. indexterm:[meta-data,OCF Action] indexterm:[OCF,Action,meta-data] NOTE: This is *not* performed as root. |validate-all |Verify the supplied parameters |Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured. indexterm:[validate-all,OCF Action] indexterm:[OCF,Action,validate-all] |========================================================= Additional requirements (not part of the OCF specs) are placed on agents that will be used for advanced concepts like <> and <> resources. .Optional Actions for OCF Agents [width="95%",cols="2m,6,3",options="header",align="center"] |========================================================= |Action |Description |Instructions |promote |Promote the local instance of a multi-state resource to the master/primary state. |Return 0 on success indexterm:[promote,OCF Action] indexterm:[OCF,Action,promote] |demote |Demote the local instance of a multi-state resource to the slave/secondary state. |Return 0 on success indexterm:[demote,OCF Action] indexterm:[OCF,Action,demote] |notify |Used by the cluster to send the agent pre and post notification events telling the resource what has happened and will happen. |Must not fail. Must exit with 0 indexterm:[notify,OCF Action] indexterm:[OCF,Action,notify] |========================================================= One action specified in the OCF specs is not currently used by the cluster: * +recover+ - a variant of the +start+ action, this should try to recover a resource locally. Remember to use indexterm:[ocf-tester]`ocf-tester` to verify that your new agent complies with the OCF standard properly. === How are OCF Return Codes Interpreted? === The first thing the cluster does is to check the return code against the expected result. If the result does not match the expected value, then the operation is considered to have failed and recovery action is initiated. There are three types of failure recovery: .Types of recovery performed by the cluster [width="95%",cols="1m,4,4",options="header",align="center"] |========================================================= |Type |Description |Action Taken by the Cluster |soft |A transient error occurred |Restart the resource or move it to a new location indexterm:[soft,OCF error] indexterm:[OCF,error,soft] |hard |A non-transient error that may be specific to the current node occurred |Move the resource elsewhere and prevent it from being retried on the current node indexterm:[hard,OCF error] indexterm:[OCF,error,hard] |fatal |A non-transient error that will be common to all cluster nodes (eg. a bad configuration was specified) |Stop the resource and prevent it from being started on any cluster node indexterm:[fatal,OCF error] indexterm:[OCF,error,fatal] |========================================================= Assuming an action is considered to have failed, the following table outlines the different OCF return codes and the type of recovery the cluster will initiate when it is received. [[s-ocf-return-codes]] === OCF Return Codes === .OCF Return Codes and their Recovery Types [width="95%",cols="2m,5^m,6<,1m",options="header",align="center"] |========================================================= |RC |OCF Alias |Description |RT |0 |OCF_SUCCESS |Success. The command completed successfully. This is the expected result for all start, stop, promote and demote commands. indexterm:[Return Code,OCF_SUCCESS] indexterm:[Return Code,0,OCF_SUCCESS] |soft |1 |OCF_ERR_GENERIC |Generic "there was a problem" error code. indexterm:[Return Code,OCF_ERR_GENERIC] indexterm:[Return Code,1,OCF_ERR_GENERIC] |soft |2 |OCF_ERR_ARGS |The resource's configuration is not valid on this machine. Eg. refers to a location/tool not found on the node. indexterm:[Return Code,OCF_ERR_ARGS] indexterm:[Return Code,2,OCF_ERR_ARGS] |hard |3 |OCF_ERR_UNIMPLEMENTED |The requested action is not implemented. indexterm:[Return Code,OCF_ERR_UNIMPLEMENTED] indexterm:[Return Code,3,OCF_ERR_UNIMPLEMENTED] |hard |4 |OCF_ERR_PERM |The resource agent does not have sufficient privileges to complete the task. indexterm:[Return Code,OCF_ERR_PERM] indexterm:[Return Code,4,OCF_ERR_PERM] |hard |5 |OCF_ERR_INSTALLED |The tools required by the resource are not installed on this machine. indexterm:[Return Code,OCF_ERR_INSTALLED] indexterm:[Return Code,5,OCF_ERR_INSTALLED] |hard |6 |OCF_ERR_CONFIGURED |The resource's configuration is invalid. Eg. required parameters are missing. indexterm:[Return Code,OCF_ERR_CONFIGURED] indexterm:[Return Code,6,OCF_ERR_CONFIGURED] |fatal |7 |OCF_NOT_RUNNING |The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action. indexterm:[Return Code,OCF_NOT_RUNNING] indexterm:[Return Code,7,OCF_NOT_RUNNING] |N/A |8 |OCF_RUNNING_MASTER |The resource is running in +Master+ mode. indexterm:[Return Code,OCF_RUNNING_MASTER] indexterm:[Return Code,8,OCF_RUNNING_MASTER] |soft |9 |OCF_FAILED_MASTER |The resource is in +Master+ mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again. indexterm:[Return Code,OCF_FAILED_MASTER] indexterm:[Return Code,9,OCF_FAILED_MASTER] |soft |other |NA |Custom error code. indexterm:[Return Code,other] |soft |========================================================= Although counterintuitive, even actions that return 0 (aka. +OCF_SUCCESS+) can be considered to have failed. === Exceptions === * Non-recurring monitor actions (probes) that find a resource active (or in Master mode) will not result in recovery action unless it is also found active elsewhere * The recovery action taken when a resource is found active more than once is determined by the _multiple-active_ property of the resource * Recurring actions that return +OCF_ERR_UNIMPLEMENTED+ do not cause any type of recovery pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Samples.txt000066400000000000000000000105261217637305600243750ustar00rootroot00000000000000[appendix] == Sample Configurations == === Empty === .An Empty Configuration ======= [source,XML] ------- ------- ======= === Simple === .Simple Configuration - 2 nodes, some cluster options and a resource ======= [source,XML] ------- ------- ======= In this example, we have one resource (an IP address) that we check every five minutes and will run on host +c001n01+ until either the resource fails 10 times or the host shuts down. === Advanced Configuration === .Advanced configuration - groups and clones with stonith ======= [source,XML] ------- ------- ======= pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Upgrade-Config.txt000066400000000000000000000110031217637305600255520ustar00rootroot00000000000000[appendix] == Upgrading the Configuration from 0.6 == === Preparation === indexterm:[Upgrading the Configuration] indexterm:[Configuration,Upgrading] indexterm:[Download,DTD] indexterm:[DTD,Download] Download the latest http://hg.clusterlabs.org/pacemaker/stable-1.0/file-raw/tip/xml/crm.dtd[DTD] and ensure your configuration validates. === Perform the upgrade === ==== Upgrade the software ==== Refer to the appendix: <> ==== Upgrade the Configuration ==== As XML is not the friendliest of languages, it is common for cluster administrators to have scripted some of their activities. In such cases, it is likely that those scripts will not work with the new 1.0 syntax. In order to support such environments, it is actually possible to continue using the old 0.6 syntax. The downside is, however, that not all the new features will be available and there is a performance impact since the cluster must do a non-persistent configuration upgrade before each transition. So while using the old syntax is possible, it is not advisable to continue using it indefinitely. Even if you wish to continue using the old syntax, it is advisable to follow the upgrade procedure to ensure that the cluster is able to use your existing configuration (since it will perform much the same task internally). . Create a shadow copy to work with + [source,C] ----- # crm_shadow --create upgrade06 ----- . Verify the configuration is valid indexterm:[Configuration,Verify]indexterm:[Verify,Configuration] + [source,C] ----- # crm_verify --live-check ----- . Fix any errors or warnings . Perform the upgrade: + [source,C] ----- # cibadmin --upgrade ----- . If this step fails, there are three main possibilities: .. The configuration was not valid to start with - go back to step 2 .. The transformation failed - report a bug or mailto:pacemaker@oss.clusterlabs.org?subject=Transformation%20failed%20during%20upgrade[email the project] .. The transformation was successful but produced an invalid result footnote:[ The most common reason is ID values being repeated or invalid. Pacemaker 1.0 is much stricter regarding this type of validation. ] + If the result of the transformation is invalid, you may see a number of errors from the validation library. If these are not helpful, visit http://clusterlabs.org/wiki/Validation_FAQ and/or try the procedure described below under <> + . Check the changes + [source,C] ----- # crm_shadow --diff ----- + If at this point there is anything about the upgrade that you wish to fine-tune (for example, to change some of the automatic IDs) now is the time to do so. Since the shadow configuration is not in use by the cluster, it is safe to edit the file manually: + [source,C] ----- # crm_shadow --edit ----- + This will open the configuration in your favorite editor (whichever is specified by the standard +$EDITOR+ environment variable) + . Preview how the cluster will react + Test what the cluster will do when you upload the new configuration + [source,C] ------ # crm_simulate --live-check --save-dotfile upgrade06.dot -S # graphviz upgrade06.dot ------ + Verify that either no resource actions will occur or that you are happy with any that are scheduled. If the output contains actions you do not expect (possibly due to changes to the score calculations), you may need to make further manual changes. See <> for further details on how to interpret the output of `crm_simulate` + . Upload the changes + [source,C] ----- # crm_shadow --commit upgrade06 --force ----- If this step fails, something really strange has occurred. You should report a bug. [[s-upgrade-config-manual]] ==== Manually Upgrading the Configuration ==== indexterm:[Configuration,Upgrade manually] It is also possible to perform the configuration upgrade steps manually. To do this Locate the 'upgrade06.xsl' conversion script or download the latest version from https://github.com/ClusterLabs/pacemaker/tree/master/xml/upgrade06.xsl[Git] . Convert the XML blob: indexterm:[XML,Convert] + [source,C] ----- # xsltproc /path/to/upgrade06.xsl config06.xml > config10.xml ----- + . Locate the 'pacemaker.rng' script. . Check the XML validity: indexterm:[Validate Configuration]indexterm:[Configuration,Validate XML] + [source,C] # xmllint --relaxng /path/to/pacemaker.rng config10.xml The advantage of this method is that it can be performed without the cluster running and any validation errors should be more informative (despite being generated by the same library!) since they include line numbers. pacemaker-master/doc/Pacemaker_Explained/en-US/Ap-Upgrade.txt000066400000000000000000000140331217637305600243550ustar00rootroot00000000000000[appendix] [[ap-upgrade]] == Upgrading Cluster Software === Version Compatibility === When releasing newer versions we take care to make sure we are backwards compatible with older versions. While you will always be able to upgrade from version x to x+1, in order to continue to produce high quality software it may occasionally be necessary to drop compatibility with older versions. There will always be an upgrade path from any series-2 release to any other series-2 release. There are three approaches to upgrading your cluster software: * Complete Cluster Shutdown * Rolling (node by node) * Disconnect and Reattach Each method has advantages and disadvantages, some of which are listed in the table below, and you should chose the one most appropriate to your needs. .Summary of Upgrade Methodologies [width="95%",cols="6*",options="header",align="center"] |========================================================= |Type |Available between all software versions |Service Outage During Upgrade |Service Recovery During Upgrade |Exercises Failover Logic/Configuration |Allows change of cluster stack type indexterm:[Cluster,Switching between Stacks] indexterm:[Changing Cluster Stack] footnote:[ For example, switching from Heartbeat to Corosync. Consult the Heartbeat or Corosync documentation to see if upgrading them to a newer version is also supported. ] |Shutdown indexterm:[Upgrade,Shutdown] indexterm:[Shutdown Upgrade] |yes |always |N/A |no |yes |Rolling indexterm:[Upgrade,Rolling] indexterm:[Rolling Upgrade] |no |always |yes |yes |no |Reattach indexterm:[Upgrade,Reattach] indexterm:[Reattach Upgrade] |yes |only due to failure |no |no |yes |========================================================= === Complete Cluster Shutdown === In this scenario one shuts down all cluster nodes and resources and upgrades all the nodes before restarting the cluster. ==== Procedure ==== . On each node: .. Shutdown the cluster stack (Heartbeat or Corosync) .. Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system. .. Check the configuration manually or with the `crm_verify` tool if available. . On each node: .. Start the cluster stack. This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack. === Rolling (node by node) === In this scenario each node is removed from the cluster, upgraded and then brought back online until all nodes are running the newest version. [IMPORTANT] =========== This method is currently broken between Pacemaker 0.6.x and 1.0.x. Measures have been put into place to ensure rolling upgrades always work for versions after 1.0.0. Please try one of the other upgrade strategies. Detach/Reattach is a particularly good option for most people. =========== ==== Procedure ==== On each node: . Shutdown the cluster stack (Heartbeat or Corosync) . Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system. .. On the first node, check the configuration manually or with the `crm_verify` tool if available. .. Start the cluster stack. + This must be the same type of cluster stack (Corosync or Heartbeat) that the rest of the cluster is using. Upgrading Corosync/Heartbeat may also be possible, please consult the documentation for those projects to see if the two versions will be compatible. + .. Repeat for each node in the cluster. ==== Version Compatibility ==== .Version Compatibility Table [width="95%",cols="2*",options="header",align="center"] |========================================================= |Version being Installed |Oldest Compatible Version |Pacemaker 1.0.x |Pacemaker 1.0.0 |Pacemaker 0.7.x |Pacemaker 0.6 or Heartbeat 2.1.3 |Pacemaker 0.6.x |Heartbeat 2.0.8 |Heartbeat 2.1.3 (or less) |Heartbeat 2.0.4 |Heartbeat 2.0.4 (or less) |Heartbeat 2.0.0 |Heartbeat 2.0.0 |None. Use an alternate upgrade strategy. |========================================================= ==== Crossing Compatibility Boundaries ==== Rolling upgrades that cross compatibility boundaries must be preformed in multiple steps. For example, to perform a rolling update from Heartbeat 2.0.1 to Pacemaker 0.6.6 one must: . Perform a rolling upgrade from Heartbeat 2.0.1 to Heartbeat 2.0.4 . Perform a rolling upgrade from Heartbeat 2.0.4 to Heartbeat 2.1.3 . Perform a rolling upgrade from Heartbeat 2.1.3 to Pacemaker 0.6.6 === Disconnect and Reattach === A variant of a complete cluster shutdown, but the resources are left active and get re-detected when the cluster is restarted. ==== Procedure ==== . Tell the cluster to stop managing services. + This is required to allow the services to remain active after the cluster shuts down. + [source,C] # crm_attribute -t crm_config -n is-managed-default -v false + . For any resource that has a value for +is-managed+, make sure it is set to +false+ (so that the cluster will not stop it) + [source,C] # crm_resource -t primitive -r $rsc_id -p is-managed -v false + . On each node: .. Shutdown the cluster stack (Heartbeat or Corosync) .. Upgrade the cluster stack program - This may also include upgrading the underlying operating system. . Check the configuration manually or with the `crm_verify` tool if available. . On each node: .. Start the cluster stack. + This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack. + . Verify that the cluster re-detected all resources correctly. . Allow the cluster to resume managing resources again: + [source,C] # crm_attribute -t crm_config -n is-managed-default -v true + . For any resource that has a value for +is-managed+ reset it to +true+ (so the cluster can recover the service if it fails) if desired: + [source,C] # crm_resource -t primitive -r $rsc_id -p is-managed -v true ==== Notes ==== [IMPORTANT] =========== Always check your existing configuration is still compatible with the version you are installing before starting the cluster. =========== [NOTE] The oldest version of the CRM to support this upgrade type was in Heartbeat 2.0.4 pacemaker-master/doc/Pacemaker_Explained/en-US/Author_Group.xml000066400000000000000000000044041217637305600250300ustar00rootroot00000000000000 AndrewBeekhof Red Hat Primary author andrew@beekhof.net DanFrîncu Romanian translation df.cluster@gmail.com PhilippMarek LINBit Style and formatting updates. Indexing. philipp.marek@linbit.com TanjaRoth SUSE Utilization chapter Resource Templates chapter Multi-Site Clusters chapter taroth@suse.com LarsMarowsky-Bree SUSE Multi-Site Clusters chapter lmb@suse.com YanGao SUSE Utilization chapter Resource Templates chapter Multi-Site Clusters chapter ygao@suse.com ThomasSchraitle SUSE Utilization chapter Resource Templates chapter Multi-Site Clusters chapter toms@suse.com DejanMuhamedagic SUSE Resource Templates chapter dmuhamedagic@suse.com pacemaker-master/doc/Pacemaker_Explained/en-US/Book_Info.xml000066400000000000000000000035721217637305600242640ustar00rootroot00000000000000 Configuration Explained An A-Z guide to Pacemaker's Configuration Options Pacemaker 1.1 1 0 The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB. For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML. Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster. Try the Clusters from Scratch document instead. pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Advanced-Options.txt000066400000000000000000000554121217637305600261240ustar00rootroot00000000000000= Advanced Configuration = [[s-remote-connection]] == Connecting from a Remote Machine == indexterm:[Cluster,Remote connection] indexterm:[Cluster,Remote administration] Provided Pacemaker is installed on a machine, it is possible to connect to the cluster even if the machine itself is not in the same cluster. To do this, one simply sets up a number of environment variables and runs the same commands as when working on a cluster node. .Environment Variables Used to Connect to Remote Instances of the CIB [width="95%",cols="1m,2<",options="header",align="center"] |========================================================= |Environment Variable |Description |CIB_user |The user to connect as. Needs to be part of the +hacluster+ group on the target host. Defaults to _$USER_. indexterm:[Environment Variable,CIB_user] |CIB_passwd |The user's password. Read from the command line if unset. indexterm:[Environment Variable,CIB_passwd] |CIB_server |The host to contact. Defaults to _localhost_. indexterm:[Environment Variable,CIB_server] |CIB_port |The port on which to contact the server; required. indexterm:[Environment Variable,CIB_port] |CIB_encrypted |Encrypt network traffic; defaults to _true_. indexterm:[Environment Variable,CIB_encrypted] |========================================================= So, if +c001n01+ is an active cluster node and is listening on +1234+ for connections, and +someguy+ is a member of the +hacluster+ group, then the following would prompt for +someguy+'s password and return the cluster's current configuration: [source,C] # export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy; # cibadmin -Q For security reasons, the cluster does not listen for remote connections by default. If you wish to allow remote access, you need to set the +remote-tls-port+ (encrypted) or +remote-clear-port+ (unencrypted) top-level options (ie., those kept in the cib tag, like +num_updates+ and +epoch+). .Extra top-level CIB options for remote access [width="95%",cols="1m,2<",options="header",align="center"] |========================================================= |Field |Description |remote-tls-port |Listen for encrypted remote connections on this port. Default: _none_ indexterm:[remote-tls-port,Remote Connection Option] indexterm:[Remote Connection,Option,remote-tls-port] |remote-clear-port |Listen for plaintext remote connections on this port. Default: _none_ indexterm:[remote-clear-port,Remote Connection Option] indexterm:[Remote Connection,Option,remote-clear-port] |========================================================= [[s-recurring-start]] == Specifying When Recurring Actions are Performed == By default, recurring actions are scheduled relative to when the resource started. So if your resource was last started at 14:32 and you have a backup set to be performed every 24 hours, then the backup will always run at in the middle of the business day - hardly desirable. To specify a date/time that the operation should be relative to, set the operation's +interval-origin+. The cluster uses this point to calculate the correct +start-delay+ such that the operation will occur at _origin + (interval * N)_. So, if the operation's interval is 24h, it's interval-origin is set to +02:00+ and it is currently +14:32+, then the cluster would initiate the operation with a start delay of 11 hours and 28 minutes. If the resource is moved to another node before 2am, then the operation is of course cancelled. The value specified for interval and +interval-origin+ can be any date/time conforming to the http://en.wikipedia.org/wiki/ISO_8601[ISO8601 standard]. By way of example, to specify an operation that would run on the first Monday of 2009 and every Monday after that you would add: .Specifying a Base for Recurring Action Intervals ===== [source,XML] ===== == Moving Resources == indexterm:[Moving,Resources] indexterm:[Resource,Moving] === Manual Intervention === There are primarily two occasions when you would want to move a resource from it's current location: when the whole node is under maintenance, and when a single resource needs to be moved. Since everything eventually comes down to a score, you could create constraints for every resource to prevent them from running on one node. While the configuration can seem convoluted at times, not even we would require this of administrators. Instead one can set a special node attribute which tells the cluster "don't let anything run here". There is even a helpful tool to help query and set it, called `crm_standby`. To check the standby status of the current machine, simply run: [source,C] # crm_standby --get-value A value of +true+ indicates that the node is _NOT_ able to host any resources, while a value of +false+ says that it _CAN_. You can also check the status of other nodes in the cluster by specifying the `--node-uname` option: [source,C] # crm_standby --get-value --node-uname sles-2 To change the current node's standby status, use `--attr-value` instead of `--get-value`. [source,C] # crm_standby --attr-value Again, you can change another host's value by supplying a host name with `--node-uname`. When only one resource is required to move, we do this by creating location constraints. However, once again we provide a user friendly shortcut as part of the `crm_resource` command, which creates and modifies the extra constraints for you. If +Email+ was running on +sles-1+ and you wanted it moved to a specific location, the command would look something like: [source,C] # crm_resource -M -r Email -H sles-2 Behind the scenes, the tool will create the following location constraint: [source,XML] It is important to note that subsequent invocations of `crm_resource -M` are not cumulative. So, if you ran these commands [source,C] # crm_resource -M -r Email -H sles-2 # crm_resource -M -r Email -H sles-3 then it is as if you had never performed the first command. To allow the resource to move back again, use: [source,C] # crm_resource -U -r Email Note the use of the word _allow_. The resource can move back to its original location but, depending on +resource-stickiness+, it might stay where it is. To be absolutely certain that it moves back to +sles-1+, move it there before issuing the call to `crm_resource -U`: [source,C] # crm_resource -M -r Email -H sles-1 # crm_resource -U -r Email Alternatively, if you only care that the resource should be moved from its current location, try [source,C] # crm_resource -M -r Email` Which will instead create a negative constraint, like [source,XML] This will achieve the desired effect, but will also have long-term consequences. As the tool will warn you, the creation of a +-INFINITY+ constraint will prevent the resource from running on that node until `crm_resource -U` is used. This includes the situation where every other cluster node is no longer available! In some cases, such as when +resource-stickiness+ is set to +INFINITY+, it is possible that you will end up with the problem described in <>. The tool can detect some of these cases and deals with them by also creating both a positive and negative constraint. Eg. +Email+ prefers +sles-1+ with a score of +-INFINITY+ +Email+ prefers +sles-2+ with a score of +INFINITY+ which has the same long-term consequences as discussed earlier. [[s-failure-migration]] === Moving Resources Due to Failure === New in 1.0 is the concept of a migration threshold. footnote:[ The naming of this option was perhaps unfortunate as it is easily confused with true migration, the process of moving a resource from one node to another without stopping it. Xen virtual guests are the most common example of resources that can be migrated in this manner. ] Simply define +migration-threshold=N+ for a resource and it will migrate to a new node after N failures. There is no threshold defined by default. To determine the resource's current failure status and limits, use `crm_mon --failcounts`. By default, once the threshold has been reached, this node will no longer be allowed to run the failed resource until the administrator manually resets the resource's failcount using `crm_failcount` (after hopefully first fixing the failure's cause). However it is possible to expire them by setting the resource's +failure-timeout+ option. So a setting of +migration-threshold=2+ and +failure-timeout=60s+ would cause the resource to move to a new node after 2 failures, and allow it to move back (depending on the stickiness and constraint scores) after one minute. There are two exceptions to the migration threshold concept; they occur when a resource either fails to start or fails to stop. Start failures cause the failcount to be set to +INFINITY+ and thus always cause the resource to move immediately. Stop failures are slightly different and crucial. If a resource fails to stop and STONITH is enabled, then the cluster will fence the node in order to be able to start the resource elsewhere. If STONITH is not enabled, then the cluster has no way to continue and will not try to start the resource elsewhere, but will try to stop it again after the failure timeout. [IMPORTANT] Please read <> before enabling this option. === Moving Resources Due to Connectivity Changes === Setting up the cluster to move resources when external connectivity is lost is a two-step process. ==== Tell Pacemaker to monitor connectivity ==== To do this, you need to add a +ping+ resource to the cluster. The +ping+ resource uses the system utility of the same name to a test if list of machines (specified by DNS hostname or IPv4/IPv6 address) are reachable and uses the results to maintain a node attribute normally called +pingd+. footnote:[ The attribute name is customizable; that allows multiple ping groups to be defined. ] [NOTE] Older versions of Heartbeat required users to add ping nodes to _ha.cf_ - this is no longer required. [IMPORTANT] =========== Older versions of Pacemaker used a custom binary called 'pingd' for this functionality; this is now deprecated in favor of 'ping'. If your version of Pacemaker does not contain the ping agent, you can download the latest version from https://github.com/ClusterLabs/pacemaker/tree/master/extra/resources/ping =========== Normally the resource will run on all cluster nodes, which means that you'll need to create a clone. A template for this can be found below along with a description of the most interesting parameters. .Common Options for a 'ping' Resource [width="95%",cols="1m,4<",options="header",align="center"] |========================================================= |Field |Description |dampen |The time to wait (dampening) for further changes to occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times. indexterm:[dampen,Ping Resource Option] indexterm:[Ping Resource,Option,dampen] |multiplier |The number of connected ping nodes gets multiplied by this value to get a score. Useful when there are multiple ping nodes configured. indexterm:[multiplier,Ping Resource Option] indexterm:[Ping Resource,Option,multiplier] |host_list |The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS host names, IPv4 and IPv6 addresses. indexterm:[host_list,Ping Resource Option] indexterm:[Ping Resource,Option,host_list] |========================================================= .An example ping cluster resource that checks node connectivity once every minute ===== [source,XML] ------------ ------------ ===== [IMPORTANT] =========== You're only half done. The next section deals with telling Pacemaker how to deal with the connectivity status that +ocf:pacemaker:ping+ is recording. =========== ==== Tell Pacemaker how to interpret the connectivity data ==== [NOTE] ====== Before reading the following, please make sure you have read and understood <> above. ====== There are a number of ways to use the connectivity data provided by Heartbeat. The most common setup is for people to have a single ping node, to prevent the cluster from running a resource on any unconnected node. //// TODO: is the idea that only nodes that can reach eg. the router should have active resources? //// .Don't run on unconnected nodes ===== [source,XML] ------- ------- ===== A more complex setup is to have a number of ping nodes configured. You can require the cluster to only run resources on nodes that can connect to all (or a minimum subset) of them. .Run only on nodes connected to three or more ping nodes; this assumes +multiplier+ is set to 1000: ===== [source,XML] ------- ------- ===== Instead you can tell the cluster only to _prefer_ nodes with the best connectivity. Just be sure to set +multiplier+ to a value higher than that of +resource-stickiness+ (and don't set either of them to +INFINITY+). .Prefer the node with the most connected ping nodes ===== [source,XML] ------- ------- ===== It is perhaps easier to think of this in terms of the simple constraints that the cluster translates it into. For example, if +sles-1+ is connected to all 5 ping nodes but +sles-2+ is only connected to 2, then it would be as if you instead had the following constraints in your configuration: .How the cluster translates the pingd constraint ===== [source,XML] ------- ------- ===== The advantage is that you don't have to manually update any constraints whenever your network connectivity changes. You can also combine the concepts above into something even more complex. The example below shows how you can prefer the node with the most connected ping nodes provided they have connectivity to at least three (again assuming that +multiplier+ is set to 1000). .A more complex example of choosing a location based on connectivity ===== [source,XML] ------- ------- ===== === Resource Migration === Some resources, such as Xen virtual guests, are able to move to another location without loss of state. We call this resource migration; this is different from the normal practice of stopping the resource on the first machine and starting it elsewhere. Not all resources are able to migrate, see the Migration Checklist below, and those that can, won't do so in all situations. Conceptually there are two requirements from which the other prerequisites follow: * the resource must be active and healthy at the old location * everything required for the resource to run must be available on both the old and new locations The cluster is able to accommodate both push and pull migration models by requiring the resource agent to support two new actions: +migrate_to+ (performed on the current location) and +migrate_from+ (performed on the destination). In push migration, the process on the current location transfers the resource to the new location where is it later activated. In this scenario, most of the work would be done in the +migrate_to+ action and, if anything, the activation would occur during +migrate_from+. Conversely for pull, the +migrate_to+ action is practically empty and +migrate_from+ does most of the work, extracting the relevant resource state from the old location and activating it. There is no wrong or right way to implement migration for your service, as long as it works. ==== Migration Checklist ==== * The resource may not be a clone. * The resource must use an OCF style agent. * The resource must not be in a failed or degraded state. * The resource must not, directly or indirectly, depend on any primitive or group resources. * The resource must support two new actions: +migrate_to+ and +migrate_from+, and advertise them in its metadata. * The resource must have the +allow-migrate+ meta-attribute set to +true+ (which is not the default). //// TODO: how can a KVM with DRBD migrate? //// If the resource depends on a clone, and at the time the resource needs to be move, the clone has instances that are stopping and instances that are starting, then the resource will be moved in the traditional manner. The Policy Engine is not yet able to model this situation correctly and so takes the safe (yet less optimal) path. [[s-reusing-config-elements]] == Reusing Rules, Options and Sets of Operations == Sometimes a number of constraints need to use the same set of rules, and resources need to set the same options and parameters. To simplify this situation, you can refer to an existing object using an +id-ref+ instead of an id. So if for one resource you have [source,XML] ------ ------ Then instead of duplicating the rule for all your other resources, you can instead specify: .Referencing rules from other constraints ===== [source,XML] ------- ------- ===== [IMPORTANT] =========== The cluster will insist that the +rule+ exists somewhere. Attempting to add a reference to a non-existing rule will cause a validation failure, as will attempting to remove a +rule+ that is referenced elsewhere. =========== The same principle applies for +meta_attributes+ and +instance_attributes+ as illustrated in the example below: .Referencing attributes, options, and operations from other resources ===== [source,XML] ------- ------- ===== == Reloading Services After a Definition Change == The cluster automatically detects changes to the definition of services it manages. However, the normal response is to stop the service (using the old definition) and start it again (with the new definition). This works well, but some services are smarter and can be told to use a new set of options without restarting. To take advantage of this capability, your resource agent must: . Accept the +reload+ operation and perform any required actions. _The steps required here depend completely on your application!_ + .The DRBD Agent's Control logic for Supporting the +reload+ Operation ===== [source,Bash] ------- case $1 in start) drbd_start ;; stop) drbd_stop ;; reload) drbd_reload ;; monitor) drbd_monitor ;; *) drbd_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? ------- ===== . Advertise the +reload+ operation in the +actions+ section of its metadata + .The DRBD Agent Advertising Support for the +reload+ Operation ===== [source,XML] ------- 1.1 Master/Slave OCF Resource Agent for DRBD ... ------- ===== . Advertise one or more parameters that can take effect using +reload+. + Any parameter with the +unique+ set to 0 is eligible to be used in this way. + .Parameter that can be changed using reload ===== [source,XML] ------- Full path to the drbd.conf file. Path to drbd.conf ------- ===== Once these requirements are satisfied, the cluster will automatically know to reload the resource (instead of restarting) when a non-unique fields changes. [NOTE] ====== The metadata is re-read when the resource is started. This may mean that the resource will be restarted the first time, even though you changed a parameter with +unique=0+ ====== [NOTE] ====== If both a unique and non-unique field are changed simultaneously, the resource will still be restarted. ====== pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Advanced-Resources.txt000066400000000000000000001050741217637305600264430ustar00rootroot00000000000000= Advanced Resource Types = [[group-resources]] == Groups - A Syntactic Shortcut == indexterm:[Group Resources] indexterm:[Resources,Groups] One of the most common elements of a cluster is a set of resources that need to be located together, start sequentially, and stop in the reverse order. To simplify this configuration we support the concept of groups. .An example group ====== [source,XML] ------- ------- ====== Although the example above contains only two resources, there is no limit to the number of resources a group can contain. The example is also sufficient to explain the fundamental properties of a group: * Resources are started in the order they appear in (+Public-IP+ first, then +Email+) * Resources are stopped in the reverse order to which they appear in (+Email+ first, then +Public-IP+) If a resource in the group can't run anywhere, then nothing after that is allowed to run, too. * If +Public-IP+ can't run anywhere, neither can +Email+; * but if +Email+ can't run anywhere, this does not affect +Public-IP+ in any way The group above is logically equivalent to writing: .How the cluster sees a group resource ====== [source,XML] ------- ------- ====== Obviously as the group grows bigger, the reduced configuration effort can become significant. Another (typical) example of a group is a DRBD volume, the filesystem mount, an IP address, and an application that uses them. === Group Properties === .Properties of a Group Resource [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the group indexterm:[id,Group Resource Property] indexterm:[Resource,Group Property,id] |========================================================= === Group Options === Options inherited from <> resources: +priority, target-role, is-managed+ === Group Instance Attributes === Groups have no instance attributes, however any that are set here will be inherited by the group's children. === Group Contents === Groups may only contain a collection of <> cluster resources. To refer to the child of a group resource, just use the child's id instead of the group's. === Group Constraints === Although it is possible to reference the group's children in constraints, it is usually preferable to use the group's name instead. .Example constraints involving groups ====== [source,XML] ------- ------- ====== === Group Stickiness === indexterm:[resource-stickiness,Groups] Stickiness, the measure of how much a resource wants to stay where it is, is additive in groups. Every active resource of the group will contribute its stickiness value to the group's total. So if the default +resource-stickiness+ is 100, and a group has seven members, five of which are active, then the group as a whole will prefer its current location with a score of 500. [[s-resource-clone]] == Clones - Resources That Get Active on Multiple Hosts == indexterm:[Clone Resources] indexterm:[Resources,Clones] Clones were initially conceived as a convenient way to start N instances of an IP resource and have them distributed throughout the cluster for load balancing. They have turned out to quite useful for a number of purposes including integrating with Red Hat's DLM, the fencing subsystem, and OCFS2. You can clone any resource, provided the resource agent supports it. Three types of cloned resources exist: * Anonymous * Globally Unique * Stateful Anonymous clones are the simplest type. These resources behave completely identically everywhere they are running. Because of this, there can only be one copy of an anonymous clone active per machine. Globally unique clones are distinct entities. A copy of the clone running on one machine is not equivalent to another instance on another node. Nor would any two copies on the same node be equivalent. Stateful clones are covered later in <>. .An example clone ====== [source,XML] ------- ------- ====== === Clone Properties === .Properties of a Clone Resource [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the clone indexterm:[id,Clone Property] indexterm:[Clone,Property,id] |========================================================= === Clone Options === Options inherited from <> resources: +priority, target-role, is-managed+ .Clone specific configuration options [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |clone-max |How many copies of the resource to start. Defaults to the number of nodes in the cluster. indexterm:[clone-max,Clone Option] indexterm:[Clone,Option,clone-max] |clone-node-max |How many copies of the resource can be started on a single node; default _1_. indexterm:[clone-node-max,Clone Option] indexterm:[Clone,Option,clone-node-max] |notify |When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: _false_, +true+ indexterm:[notify,Clone Option] indexterm:[Clone,Option,notify] |globally-unique |Does each copy of the clone perform a different function? Allowed values: _false_, +true+ indexterm:[globally-unique,Clone Option] indexterm:[Clone,Option,globally-unique] |ordered |Should the copies be started in series (instead of in parallel). Allowed values: _false_, +true+ indexterm:[ordered,Clone Option] indexterm:[Clone,Option,ordered] |interleave |Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: _false_, +true+ indexterm:[interleave,Clone Option] indexterm:[Clone,Option,interleave] |========================================================= === Clone Instance Attributes === Clones have no instance attributes; however, any that are set here will be inherited by the clone's children. === Clone Contents === Clones must contain exactly one group or one regular resource. [WARNING] You should never reference the name of a clone's child. If you think you need to do this, you probably need to re-evaluate your design. === Clone Constraints === In most cases, a clone will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the clone's id is used. Ordering constraints behave slightly differently for clones. In the example below, +apache-stats+ will wait until all copies of the clone that need to be started have done so before being started itself. Only if _no_ copies can be started +apache-stats+ will be prevented from being active. Additionally, the clone will wait for +apache-stats+ to be stopped before stopping the clone. Colocation of a regular (or group) resource with a clone means that the resource can run on any machine with an active copy of the clone. The cluster will choose a copy based on where the clone is running and the resource's own location preferences. Colocation between clones is also possible. In such cases, the set of allowed locations for the clone is limited to nodes on which the clone is (or will be) active. Allocation is then performed as normally. .Example constraints involving clones ====== [source,XML] ------- ------- ====== === Clone Stickiness === indexterm:[resource-stickiness,Clones] To achieve a stable allocation pattern, clones are slightly sticky by default. If no value for +resource-stickiness+ is provided, the clone will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster. === Clone Resource Agent Requirements === Any resource can be used as an anonymous clone, as it requires no additional support from the resource agent. Whether it makes sense to do so depends on your resource and its resource agent. Globally unique clones do require some additional support in the resource agent. In particular, it must only respond with +${OCF_SUCCESS}+ if the node has that exact instance active. All other probes for instances of the clone should result in +${OCF_NOT_RUNNING}+. Unless of course they are failed, in which case they should return one of the other OCF error codes. Copies of a clone are identified by appending a colon and a numerical offset, eg. +apache:2+. Resource agents can find out how many copies there are by examining the +OCF_RESKEY_CRM_meta_clone_max+ environment variable and which copy it is by examining +OCF_RESKEY_CRM_meta_clone+. You should not make any assumptions (based on +OCF_RESKEY_CRM_meta_clone+) about which copies are active. In particular, the list of active copies will not always be an unbroken sequence, nor always start at 0. ==== Clone Notifications ==== Supporting notifications requires the +notify+ action to be implemented. Once supported, the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it. .Environment variables supplied with Clone notify actions [width="95%",cols="5,3<",options="header",align="center"] |========================================================= |Variable |Description |OCF_RESKEY_CRM_meta_notify_type |Allowed values: +pre+, +post+ indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,type] indexterm:[type,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_operation |Allowed values: +start+, +stop+ indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,operation] indexterm:[operation,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_start_resource |Resources to be started indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,start_resource] indexterm:[start_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_stop_resource |Resources to be stopped indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,stop_resource] indexterm:[stop_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_active_resource |Resources that are running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,active_resource] indexterm:[active_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_inactive_resource |Resources that are not running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,inactive_resource] indexterm:[inactive_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_start_uname |Nodes on which resources will be started indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,start_uname] indexterm:[start_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_stop_uname |Nodes on which resources will be stopped indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,stop_uname] indexterm:[stop_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_active_uname |Nodes on which resources are running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,active_uname] indexterm:[active_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_inactive_uname |Nodes on which resources are not running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,inactive_uname] indexterm:[inactive_uname,Notification Environment Variable] |========================================================= The variables come in pairs, such as +OCF_RESKEY_CRM_meta_notify_start_resource+ and +OCF_RESKEY_CRM_meta_notify_start_uname+ and should be treated as an array of whitespace separated elements. Thus in order to indicate that +clone:0+ will be started on +sles-1+, +clone:2+ will be started on +sles-3+, and +clone:3+ will be started on +sles-2+, the cluster would set .Example notification variables ====== [source,Bash] ------- OCF_RESKEY_CRM_meta_notify_start_resource="clone:0 clone:2 clone:3" OCF_RESKEY_CRM_meta_notify_start_uname="sles-1 sles-3 sles-2" ------- ====== ==== Proper Interpretation of Notification Environment Variables ==== .Pre-notification (stop): * Active resources: +$OCF_RESKEY_CRM_meta_notify_active_resource+ * Inactive resources: +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ .Post-notification (stop) / Pre-notification (start): * Active resources ** +$OCF_RESKEY_CRM_meta_notify_active_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Inactive resources ** +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources that were started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources that were stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ .Post-notification (start): * Active resources: ** +$OCF_RESKEY_CRM_meta_notify_active_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Inactive resources: ** +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources that were started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources that were stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ [[s-resource-multistate]] == Multi-state - Resources That Have Multiple Modes == indexterm:[Multi-state Resources] indexterm:[Resources,Multi-state] Multi-state resources are a specialization of Clone resources; please ensure you understand the section on clones before continuing! They allow the instances to be in one of two operating modes; these are called +Master+ and +Slave+, but can mean whatever you wish them to mean. The only limitation is that when an instance is started, it must come up in the +Slave+ state. === Multi-state Properties === .Properties of a Multi-State Resource [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the multi-state resource indexterm:[id,Multi-State Property] indexterm:[Multi-State,Property,id] |========================================================= === Multi-state Options === Options inherited from <> resources: +priority+, +target-role+, +is-managed+ Options inherited from <> resources: +clone-max+, +clone-node-max+, +notify+, +globally-unique+, +ordered+, +interleave+ .Multi-state specific resource configuration options [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |master-max |How many copies of the resource can be promoted to +master+ status; default 1. indexterm:[master-max,Multi-State Option] indexterm:[Multi-State,Option,master-max] |master-node-max |How many copies of the resource can be promoted to +master+ status on a single node; default 1. indexterm:[master-node-max,Multi-State Option] indexterm:[Multi-State,Option,master-node-max] |========================================================= === Multi-state Instance Attributes === Multi-state resources have no instance attributes; however, any that are set here will be inherited by master's children. === Multi-state Contents === Masters must contain exactly one group or one regular resource. [WARNING] You should never reference the name of a master's child. If you think you need to do this, you probably need to re-evaluate your design. === Monitoring Multi-State Resources === The normal type of monitor actions are not sufficient to monitor a multi-state resource in the +Master+ state. To detect failures of the +Master+ instance, you need to define an additional monitor action with +role="Master"+. [IMPORTANT] =========== It is crucial that _every_ monitor operation has a different interval! This is because Pacemaker currently differentiates between operations only by resource and interval; so if eg. a master/slave resource has the same monitor interval for both roles, Pacemaker would ignore the role when checking the status - which would cause unexpected return codes, and therefore unnecessary complications. =========== .Monitoring both states of a multi-state resource ====== [source,XML] ------- ------- ====== === Multi-state Constraints === In most cases, a multi-state resources will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the master's id is used. When considering multi-state resources in constraints, for most purposes it is sufficient to treat them as clones. The exception is when the +rsc-role+ and/or +with-rsc-role+ fields (for colocation constraints) and +first-action+ and/or +then-action+ fields (for ordering constraints) are used. .Additional constraint options relevant to multi-state resources [width="95%",cols="3m,5<",options="header",align="center"] |========================================================= |Field |Description |rsc-role |An additional attribute of colocation constraints that specifies the role that +rsc+ must be in. Allowed values: _Started_, +Master+, +Slave+. indexterm:[rsc-role,Ordering Constraints] indexterm:[Constraints,Ordering,rsc-role] |with-rsc-role |An additional attribute of colocation constraints that specifies the role that +with-rsc+ must be in. Allowed values: _Started_, +Master+, +Slave+. indexterm:[with-rsc-role,Ordering Constraints] indexterm:[Constraints,Ordering,with-rsc-role] |first-action |An additional attribute of ordering constraints that specifies the action that the +first+ resource must complete before executing the specified action for the +then+ resource. Allowed values: _start_, +stop+, +promote+, +demote+. indexterm:[first-action,Ordering Constraints] indexterm:[Constraints,Ordering,first-action] |then-action |An additional attribute of ordering constraints that specifies the action that the +then+ resource can only execute after the +first-action+ on the +first+ resource has completed. Allowed values: +start+, +stop+, +promote+, +demote+. Defaults to the value (specified or implied) of +first-action+. indexterm:[then-action,Ordering Constraints] indexterm:[Constraints,Ordering,then-action] |========================================================= In the example below, +myApp+ will wait until one of the database copies has been started and promoted to master before being started itself. Only if no copies can be promoted will +apache-stats+ be prevented from being active. Additionally, the database will wait for +myApp+ to be stopped before it is demoted. .Example constraints involving multi-state resources ====== [source,XML] ------- ------- ====== Colocation of a regular (or group) resource with a multi-state resource means that it can run on any machine with an active copy of the multi-state resource that is in the specified state (+Master+ or +Slave+). In the example, the cluster will choose a location based on where database is running as a +Master+, and if there are multiple +Master+ instances it will also factor in +myApp+'s own location preferences when deciding which location to choose. Colocation with regular clones and other multi-state resources is also possible. In such cases, the set of allowed locations for the +rsc+ clone is (after role filtering) limited to nodes on which the +with-rsc+ multi-state resource is (or will be) in the specified role. Allocation is then performed as-per-normal. === Multi-state Stickiness === indexterm:[resource-stickiness,Multi-State] To achieve a stable allocation pattern, multi-state resources are slightly sticky by default. If no value for +resource-stickiness+ is provided, the multi-state resource will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster. === Which Resource Instance is Promoted === During the start operation, most Resource Agent scripts should call the `crm_master` utility. This tool automatically detects both the resource and host and should be used to set a preference for being promoted. Based on this, +master-max+, and +master-node-max+, the instance(s) with the highest preference will be promoted. The other alternative is to create a location constraint that indicates which nodes are most preferred as masters. .Manually specifying which node should be promoted ====== [source,XML] ------- ------- ====== === Multi-state Resource Agent Requirements === Since multi-state resources are an extension of cloned resources, all the requirements of Clones are also requirements of multi-state resources. Additionally, multi-state resources require two extra actions: +demote+ and +promote+; these actions are responsible for changing the state of the resource. Like +start+ and +stop+, they should return +OCF_SUCCESS+ if they completed successfully or a relevant error code if they did not. The states can mean whatever you wish, but when the resource is started, it must come up in the mode called +Slave+. From there the cluster will then decide which instances to promote to +Master+. In addition to the Clone requirements for monitor actions, agents must also _accurately_ report which state they are in. The cluster relies on the agent to report its status (including role) accurately and does not indicate to the agent what role it currently believes it to be in. .Role implications of OCF return codes [width="95%",cols="5,3<",options="header",align="center"] |========================================================= |Monitor Return Code |Description |OCF_NOT_RUNNING |Stopped indexterm:[Return Code,OCF_NOT_RUNNING] |OCF_SUCCESS |Running (Slave) indexterm:[Return Code,OCF_SUCCESS] |OCF_RUNNING_MASTER |Running (Master) indexterm:[Return Code,OCF_RUNNING_MASTER] |OCF_FAILED_MASTER |Failed (Master) indexterm:[Return Code,OCF_FAILED_MASTER] |Other |Failed (Slave) |========================================================= === Multi-state Notifications === Like clones, supporting notifications requires the +notify+ action to be implemented. Once supported the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it. .Environment variables supplied with Master notify actions footnote:[Emphasized variables are specific to +Master+ resources and all behave in the same manner as described for Clone resources.] [width="95%",cols="5,3<",options="header",align="center"] |========================================================= |Variable |Description |OCF_RESKEY_CRM_meta_notify_type |Allowed values: +pre+, +post+ indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,type] indexterm:[type,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_operation |Allowed values: +start+, +stop+ indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,operation] indexterm:[operation,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_active_resource |Resources the that are running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,active_resource] indexterm:[active_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_inactive_resource |Resources the that are not running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,inactive_resource] indexterm:[inactive_resource,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_master_resource_ |Resources that are running in +Master+ mode indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,master_resource] indexterm:[master_resource,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_slave_resource_ |Resources that are running in +Slave+ mode indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,slave_resource] indexterm:[slave_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_start_resource |Resources to be started indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,start_resource] indexterm:[start_resource,Notification Environment Variable] |indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,stop_resource] indexterm:[stop_resource,Notification Environment Variable] OCF_RESKEY_CRM_meta_notify_stop_resource |Resources to be stopped |_OCF_RESKEY_CRM_meta_notify_promote_resource_ |Resources to be promoted indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,promote_resource] indexterm:[promote_resource,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_demote_resource_ |Resources to be demoted indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,demote_resource] indexterm:[demote_resource,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_start_uname |Nodes on which resources will be started indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,start_uname] indexterm:[start_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_stop_uname |Nodes on which resources will be stopped indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,stop_uname] indexterm:[stop_uname,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_promote_uname_ |Nodes on which resources will be promote indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,promote_uname] indexterm:[promote_uname,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_demote_uname_ |Nodes on which resources will be demoted indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,demote_uname] indexterm:[demote_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_active_uname |Nodes on which resources are running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,active_uname] indexterm:[active_uname,Notification Environment Variable] |OCF_RESKEY_CRM_meta_notify_inactive_uname |Nodes on which resources are not running indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,inactive_uname] indexterm:[inactive_uname,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_master_uname_ |Nodes on which resources are running in +Master+ mode indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,master_uname] indexterm:[master_uname,Notification Environment Variable] |_OCF_RESKEY_CRM_meta_notify_slave_uname_ |Nodes on which resources are running in +Slave+ mode indexterm:[Environment Variable,OCF_RESKEY_CRM_meta_notify_,slave_uname] indexterm:[slave_uname,Notification Environment Variable] |========================================================= === Multi-state - Proper Interpretation of Notification Environment Variables === .Pre-notification (demote): * +Active+ resources: +$OCF_RESKEY_CRM_meta_notify_active_resource+ * +Master+ resources: +$OCF_RESKEY_CRM_meta_notify_master_resource+ * +Slave+ resources: +$OCF_RESKEY_CRM_meta_notify_slave_resource+ * Inactive resources: +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources to be demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ .Post-notification (demote) / Pre-notification (stop): * +Active+ resources: +$OCF_RESKEY_CRM_meta_notify_active_resource+ * +Master+ resources: ** +$OCF_RESKEY_CRM_meta_notify_master_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * +Slave+ resources: +$OCF_RESKEY_CRM_meta_notify_slave_resource+ * Inactive resources: +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources to be demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources that were demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ .Post-notification (stop) / Pre-notification (start) * +Active+ resources: ** +$OCF_RESKEY_CRM_meta_notify_active_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * +Master+ resources: ** +$OCF_RESKEY_CRM_meta_notify_master_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * +Slave+ resources: ** +$OCF_RESKEY_CRM_meta_notify_slave_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Inactive resources: ** +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources to be demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources that were demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources that were stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ .Post-notification (start) / Pre-notification (promote) * +Active+ resources: ** +$OCF_RESKEY_CRM_meta_notify_active_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * +Master+ resources: ** +$OCF_RESKEY_CRM_meta_notify_master_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * +Slave+ resources: ** +$OCF_RESKEY_CRM_meta_notify_slave_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Inactive resources: ** +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources to be demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources that were started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources that were demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources that were stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ .Post-notification (promote) * +Active+ resources: ** +$OCF_RESKEY_CRM_meta_notify_active_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * +Master+ resources: ** +$OCF_RESKEY_CRM_meta_notify_master_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_demote_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * +Slave+ resources: ** +$OCF_RESKEY_CRM_meta_notify_slave_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_start_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Inactive resources: ** +$OCF_RESKEY_CRM_meta_notify_inactive_resource+ ** plus +$OCF_RESKEY_CRM_meta_notify_stop_resource+ ** minus +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources to be promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources to be demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources to be stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ * Resources that were started: +$OCF_RESKEY_CRM_meta_notify_start_resource+ * Resources that were promoted: +$OCF_RESKEY_CRM_meta_notify_promote_resource+ * Resources that were demoted: +$OCF_RESKEY_CRM_meta_notify_demote_resource+ * Resources that were stopped: +$OCF_RESKEY_CRM_meta_notify_stop_resource+ pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Basics.txt000066400000000000000000000335531217637305600241740ustar00rootroot00000000000000= Configuration Basics = == Configuration Layout == The cluster is written using XML notation and divided into two main sections: configuration and status. The status section contains the history of each resource on each node and based on this data, the cluster can construct the complete current state of the cluster. The authoritative source for the status section is the local resource manager (lrmd) process on each cluster node and the cluster will occasionally repopulate the entire section. For this reason it is never written to disk and administrators are advised against modifying it in any way. The configuration section contains the more traditional information like cluster options, lists of resources and indications of where they should be placed. The configuration section is the primary focus of this document. The configuration section itself is divided into four parts: * Configuration options (called +crm_config+) * Nodes * Resources * Resource relationships (called +constraints+) .An empty configuration ====== [source,XML] ------- ------- ====== == The Current State of the Cluster == Before one starts to configure a cluster, it is worth explaining how to view the finished product. For this purpose we have created the `crm_mon` utility that will display the current state of an active cluster. It can show the cluster status by node or by resource and can be used in either single-shot or dynamically-updating mode. There are also modes for displaying a list of the operations performed (grouped by node and resource) as well as information about failures. Using this tool, you can examine the state of the cluster for irregularities and see how it responds when you cause or simulate failures. Details on all the available options can be obtained using the `crm_mon --help` command. .Sample output from crm_mon ====== ------- ============ Last updated: Fri Nov 23 15:26:13 2007 Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec) 3 Nodes configured. 5 Resources configured. ============ Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1 192.168.100.182 (heartbeat:IPaddr): Started sles-1 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1 rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1 child_DoFencing:2 (stonith:external/vmware): Started sles-1 Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3 rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3 child_DoFencing:0 (stonith:external/vmware): Started sles-3 ------- ====== .Sample output from crm_mon -n ====== ------- ============ Last updated: Fri Nov 23 15:26:13 2007 Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec) 3 Nodes configured. 5 Resources configured. ============ Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online Resource Group: group-1 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1 192.168.100.182 (heartbeat:IPaddr): Started sles-1 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1 rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1 rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3 rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3 Clone Set: DoFencing child_DoFencing:0 (stonith:external/vmware): Started sles-3 child_DoFencing:1 (stonith:external/vmware): Stopped child_DoFencing:2 (stonith:external/vmware): Started sles-1 ------- ====== The DC (Designated Controller) node is where all the decisions are made and if the current DC fails a new one is elected from the remaining cluster nodes. The choice of DC is of no significance to an administrator beyond the fact that its logs will generally be more interesting. == How Should the Configuration be Updated? == There are three basic rules for updating the cluster configuration: * Rule 1 - Never edit the cib.xml file manually. Ever. I'm not making this up. * Rule 2 - Read Rule 1 again. * Rule 3 - The cluster will notice if you ignored rules 1 & 2 and refuse to use the configuration. Now that it is clear how NOT to update the configuration, we can begin to explain how you should. The most powerful tool for modifying the configuration is the +cibadmin+ command which talks to a running cluster. With +cibadmin+, the user can query, add, remove, update or replace any part of the configuration; all changes take effect immediately, so there is no need to perform a reload-like operation. The simplest way of using cibadmin is to use it to save the current configuration to a temporary file, edit that file with your favorite text or XML editor and then upload the revised configuration. .Safely using an editor to modify the cluster configuration ====== [source,C] -------- # cibadmin --query > tmp.xml # vi tmp.xml # cibadmin --replace --xml-file tmp.xml -------- ====== Some of the better XML editors can make use of a Relax NG schema to help make sure any changes you make are valid. The schema describing the configuration can normally be found in '/usr/lib/heartbeat/pacemaker.rng' on most systems. If you only wanted to modify the resources section, you could instead do .Safely using an editor to modify a subsection of the cluster configuration ====== [source,C] -------- # cibadmin --query --obj_type resources > tmp.xml # vi tmp.xml # cibadmin --replace --obj_type resources --xml-file tmp.xml -------- ====== to avoid modifying any other part of the configuration. == Quickly Deleting Part of the Configuration == Identify the object you wish to delete. Eg. run .Searching for STONITH related configuration items ====== [source,C] # cibadmin -Q | grep stonith [source,XML] -------- -------- ====== Next identify the resource's tag name and id (in this case we'll choose +primitive+ and +child_DoFencing+). Then simply execute: [source,C] # cibadmin --delete --crm_xml '' == Updating the Configuration Without Using XML == Some common tasks can also be performed with one of the higher level tools that avoid the need to read or edit XML. To enable stonith for example, one could run: [source,C] # crm_attribute --attr-name stonith-enabled --attr-value true Or, to see if +somenode+ is allowed to run resources, there is: [source,C] # crm_standby --get-value --node-uname somenode Or, to find the current location of +my-test-rsc+, one can use: [source,C] # crm_resource --locate --resource my-test-rsc [[s-config-sandboxes]] == Making Configuration Changes in a Sandbox == Often it is desirable to preview the effects of a series of changes before updating the configuration atomically. For this purpose we have created `crm_shadow` which creates a "shadow" copy of the configuration and arranges for all the command line tools to use it. To begin, simply invoke `crm_shadow` and give it the name of a configuration to create footnote:[Shadow copies are identified with a name, making it possible to have more than one.] ; be sure to follow the simple on-screen instructions. WARNING: Read the above carefully, failure to do so could result in you destroying the cluster's active configuration! .Creating and displaying the active sandbox ====== [source,Bash] -------- # crm_shadow --create test Setting up shadow instance Type Ctrl-D to exit the crm_shadow shell shadow[test]: shadow[test] # crm_shadow --which test -------- ====== From this point on, all cluster commands will automatically use the shadow copy instead of talking to the cluster's active configuration. Once you have finished experimenting, you can either commit the changes, or discard them as shown below. Again, be sure to follow the on-screen instructions carefully. For a full list of `crm_shadow` options and commands, invoke it with the --help option. .Using a sandbox to make multiple changes atomically ====== [source,Bash] -------- shadow[test] # crm_failcount -G -r rsc_c001n01 name=fail-count-rsc_c001n01 value=0 shadow[test] # crm_standby -v on -n c001n02 shadow[test] # crm_standby -G -n c001n02 name=c001n02 scope=nodes value=on shadow[test] # cibadmin --erase --force shadow[test] # cibadmin --query shadow[test] # crm_shadow --delete test --force Now type Ctrl-D to exit the crm_shadow shell shadow[test] # exit # crm_shadow --which No shadow instance provided # cibadmin -Q -------- ====== Making changes in a sandbox and verifying the real configuration is untouched [[s-config-testing-changes]] == Testing Your Configuration Changes == We saw previously how to make a series of changes to a "shadow" copy of the configuration. Before loading the changes back into the cluster (eg. `crm_shadow --commit mytest --force`), it is often advisable to simulate the effect of the changes with +crm_simulate+, eg. [source,C] # crm_simulate --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot The tool uses the same library as the live cluster to show what it would have done given the supplied input. It's output, in addition to a significant amount of logging, is stored in two files +tmp.graph+ and +tmp.dot+, both are representations of the same thing -- the cluster's response to your changes. In the graph file is stored the complete transition, containing a list of all the actions, their parameters and their pre-requisites. Because the transition graph is not terribly easy to read, the tool also generates a Graphviz dot-file representing the same information. == Interpreting the Graphviz output == * Arrows indicate ordering dependencies * Dashed-arrows indicate dependencies that are not present in the transition graph * Actions with a dashed border of any color do not form part of the transition graph * Actions with a green border form part of the transition graph * Actions with a red border are ones the cluster would like to execute but cannot run * Actions with a blue border are ones the cluster does not feel need to be executed * Actions with orange text are pseudo/pretend actions that the cluster uses to simplify the graph * Actions with black text are sent to the LRM * Resource actions have text of the form pass:[rsc]_pass:[action]_pass:[interval] pass:[node] * Any action depending on an action with a red border will not be able to execute. * Loops are _really_ bad. Please report them to the development team. === Small Cluster Transition === image::images/Policy-Engine-small.png["An example transition graph as represented by Graphviz",width="16cm",height="6cm",align="center"] In the above example, it appears that a new node, +node2+, has come online and that the cluster is checking to make sure +rsc1+, +rsc2+ and +rsc3+ are not already running there (Indicated by the +*_monitor_0+ entries). Once it did that, and assuming the resources were not active there, it would have liked to stop +rsc1+ and +rsc2+ on +node1+ and move them to +node2+. However, there appears to be some problem and the cluster cannot or is not permitted to perform the stop actions which implies it also cannot perform the start actions. For some reason the cluster does not want to start +rsc3+ anywhere. For information on the options supported by `crm_simulate`, use the `--help` option. === Complex Cluster Transition === image::images/Policy-Engine-big.png["Another, slightly more complex, transition graph that you're not expected to be able to read",width="16cm",height="20cm",align="center"] == Do I Need to Update the Configuration on all Cluster Nodes? == No. Any changes are immediately synchronized to the other active members of the cluster. To reduce bandwidth, the cluster only broadcasts the incremental updates that result from your changes and uses MD5 checksums to ensure that each copy is completely consistent. pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Constraints.txt000066400000000000000000000524561217637305600253020ustar00rootroot00000000000000= Resource Constraints = indexterm:[Resource,Constraints] == Scores == Scores of all kinds are integral to how the cluster works. Practically everything from moving a resource to deciding which resource to stop in a degraded cluster is achieved by manipulating scores in some way. Scores are calculated on a per-resource basis and any node with a negative score for a resource can't run that resource. After calculating the scores for a resource, the cluster then chooses the node with the highest one. === Infinity Math === +INFINITY+ is currently defined as 1,000,000 and addition/subtraction with it follows these three basic rules: * Any value + +INFINITY+ = +INFINITY+ * Any value - +INFINITY+ = -+INFINITY+ * +INFINITY+ - +INFINITY+ = -+INFINITY+ == Deciding Which Nodes a Resource Can Run On == indexterm:[Location Constraints] indexterm:[Resource,Constraints,Location] There are two alternative strategies for specifying which nodes a resources can run on. One way is to say that by default they can run anywhere and then create location constraints for nodes that are not allowed. The other option is to have nodes "opt-in"... to start with nothing able to run anywhere and selectively enable allowed nodes. === Options === .Options for Simple Location Constraints [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |id |A unique name for the constraint indexterm:[id,Location Constraints] indexterm:[Constraints,Location,id] |rsc |A resource name indexterm:[rsc,Location Constraints] indexterm:[Constraints,Location,rsc] |node |A node's name indexterm:[node,Location Constraints] indexterm:[Constraints,Location,node] |score |Positive values indicate the resource should run on this node. Negative values indicate the resource should not run on this node. Values of \+/- +INFINITY+ change "should"/"should not" to "must"/"must not". indexterm:[score,Location Constraints] indexterm:[Constraints,Location,score] |========================================================= === Asymmetrical "Opt-In" Clusters === indexterm:[Asymmetrical Opt-In Clusters] indexterm:[Cluster Type,Asymmetrical Opt-In] To create an opt-in cluster, start by preventing resources from running anywhere by default: [source,C] # crm_attribute --attr-name symmetric-cluster --attr-value false Then start enabling nodes. The following fragment says that the web server prefers +sles-1+, the database prefers +sles-2+ and both can fail over to +sles-3+ if their most preferred node fails. .Example set of opt-in location constraints ====== [source,XML] ------- ------- ====== === Symmetrical "Opt-Out" Clusters === indexterm:[Symmetrical Opt-Out Clusters] indexterm:[Cluster Type,Symmetrical Opt-Out] To create an opt-out cluster, start by allowing resources to run anywhere by default: [source,C] # crm_attribute --attr-name symmetric-cluster --attr-value true Then start disabling nodes. The following fragment is the equivalent of the above opt-in configuration. .Example set of opt-out location constraints ====== [source,XML] ------- ------- ====== Whether you should choose opt-in or opt-out depends both on your personal preference and the make-up of your cluster. If most of your resources can run on most of the nodes, then an opt-out arrangement is likely to result in a simpler configuration. On the other-hand, if most resources can only run on a small subset of nodes an opt-in configuration might be simpler. [[node-score-equal]] === What if Two Nodes Have the Same Score === If two nodes have the same score, then the cluster will choose one. This choice may seem random and may not be what was intended, however the cluster was not given enough information to know any better. .Example of two resources that prefer two nodes equally ====== [source,XML] ------- ------- ====== In the example above, assuming no other constraints and an inactive cluster, Webserver would probably be placed on sles-1 and Database on sles-2. It would likely have placed Webserver based on the node's uname and Database based on the desire to spread the resource load evenly across the cluster. However other factors can also be involved in more complex configurations. [[s-resource-ordering]] == Specifying in which Order Resources Should Start/Stop == indexterm:[Resource,Constraints,Ordering] indexterm:[Resource,Start Order] indexterm:[Ordering Constraints] The way to specify the order in which resources should start is by creating +rsc_order+ constraints. .Properties of an Ordering Constraint [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |id |A unique name for the constraint indexterm:[id,Ordering Constraints] indexterm:[Constraints,Ordering,id] |first |The name of a resource that must be started before the +then+ resource is allowed to. indexterm:[first,Ordering Constraints] indexterm:[Constraints,Ordering,first] |then |The name of a resource. This resource will start after the +first+ resource. indexterm:[then,Ordering Constraints] indexterm:[Constraints,Ordering,then] |kind |How to enforce the constraint. ('Since 1.1.2') * Optional - Just a suggestion. Only applies if both resources are starting/stopping. * Mandatory - Always. If 'first' is stopping or cannot be started, 'then' must be stopped. * Serialize - Ensure that no two stop/start actions occur concurrently for a set of resources. indexterm:[kind,Ordering Constraints] indexterm:[Constraints,Ordering,kind] |symmetrical |If true, which is the default, stop the resources in the reverse order. Default value: _true_ indexterm:[symmetrical,Ordering Constraints] indexterm:[Ordering Constraints,symmetrical] |========================================================= === Mandatory Ordering === When the +then+ resource cannot run without the +first+ resource being active, one should use mandatory constraints. To specify a constraint is mandatory, use scores greater than zero. This will ensure that the then resource will react when the first resource changes state. * If the +first+ resource was running and is stopped, the +then+ resource will also be stopped (if it is running). * If the +first+ resource was not running and cannot be started, the +then+ resource will be stopped (if it is running). * If the +first+ resource is (re)started while the +then+ resource is running, the +then+ resource will be stopped and restarted. === Advisory Ordering === On the other hand, when +score="0"+ is specified for a constraint, the constraint is considered optional and only has an effect when both resources are stopping and/or starting. Any change in state by the +first+ resource will have no effect on the +then+ resource. .Example of an optional and mandatory ordering constraint ====== [source,XML] ------- ------- ====== Some additional information on ordering constraints can be found in the document http://www.clusterlabs.org/mediawiki/images/d/d6/Ordering_Explained.pdf[Ordering Explained]. [[s-resource-colocation]] == Placing Resources Relative to other Resources == indexterm:[Resource,Constraints,Colocation] indexterm:[Resource,Location Relative to other Resources] When the location of one resource depends on the location of another one, we call this colocation. There is an important side-effect of creating a colocation constraint between two resources: it affects the order in which resources are assigned to a node. If you think about it, it's somewhat obvious. You can't place A relative to B unless you know where B is. footnote:[ While the human brain is sophisticated enough to read the constraint in any order and choose the correct one depending on the situation, the cluster is not quite so smart. Yet. ] So when you are creating colocation constraints, it is important to consider whether you should colocate A with B or B with A. Another thing to keep in mind is that, assuming A is collocated with B, the cluster will also take into account A's preferences when deciding which node to choose for B. For a detailed look at exactly how this occurs, see the http://www.clusterlabs.org/mediawiki/images/6/61/Colocation_Explained.pdf[Colocation Explained] document. === Options === .Properties of a Collocation Constraint [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |id |A unique name for the constraint. indexterm:[id,Colocation Constraints] indexterm:[Constraints,Colocation,id] |rsc |The colocation source. If the constraint cannot be satisfied, the cluster may decide not to allow the resource to run at all. indexterm:[rsc,Colocation Constraints] indexterm:[Constraints,Colocation,rsc] |with-rsc |The colocation target. The cluster will decide where to put this resource first and then decide where to put the resource in the +rsc+ field. indexterm:[with-rsc,Colocation Constraints] indexterm:[Constraints,Colocation,with-rsc] |score |Positive values indicate the resource should run on the same node. Negative values indicate the resources should not run on the same node. Values of \+/- +INFINITY+ change "should" to "must". indexterm:[score,Colocation Constraints] indexterm:[Constraints,Colocation,score] |========================================================= === Mandatory Placement === Mandatory placement occurs any time the constraint's score is ++INFINITY+ or +-INFINITY+. In such cases, if the constraint can't be satisfied, then the +rsc+ resource is not permitted to run. For +score=INFINITY+, this includes cases where the +with-rsc+ resource is not active. If you need +resource1+ to always run on the same machine as +resource2+, you would add the following constraint: .An example colocation constraint [source,XML] Remember, because +INFINITY+ was used, if +resource2+ can't run on any of the cluster nodes (for whatever reason) then +resource1+ will not be allowed to run. Alternatively, you may want the opposite... that +resource1+ cannot run on the same machine as +resource2+. In this case use +score="-INFINITY"+ .An example anti-colocation constraint [source,XML] Again, by specifying +-INFINTY+, the constraint is binding. So if the only place left to run is where +resource2+ already is, then +resource1+ may not run anywhere. === Advisory Placement === If mandatory placement is about "must" and "must not", then advisory placement is the "I'd prefer if" alternative. For constraints with scores greater than +-INFINITY+ and less than +INFINITY+, the cluster will try and accommodate your wishes but may ignore them if the alternative is to stop some of the cluster resources. Like in life, where if enough people prefer something it effectively becomes mandatory, advisory colocation constraints can combine with other elements of the configuration to behave as if they were mandatory. .An example advisory-only colocation constraint [source,XML] [[s-resource-sets-ordering]] == Ordering Sets of Resources == A common situation is for an administrator to create a chain of ordered resources, such as: .A chain of ordered resources ====== [source,XML] ------- ------- ====== == Ordered Set == .Visual representation of the four resources' start order for the above constraints image::images/resource-set.png["Ordered set",width="16cm",height="2.5cm",align="center"] To simplify this situation, there is an alternate format for ordering constraints: .A chain of ordered resources expressed as a set ====== [source,XML] ------- ------- ====== [NOTE] Resource sets have the same ordering semantics as groups. .A group resource with the equivalent ordering rules ====== [source,XML] ------- ------- ====== While the set-based format is not less verbose, it is significantly easier to get right and maintain. It can also be expanded to allow ordered sets of (un)ordered resources. In the example below, +rscA+ and +rscB+ can both start in parallel, as can +rscC+ and +rscD+, however +rscC+ and +rscD+ can only start once _both_ +rscA+ _and_ +rscB+ are active. .Ordered sets of unordered resources ====== [source,XML] ------- ------- ====== == Two Sets of Unordered Resources == .Visual representation of the start order for two ordered sets of unordered resources image::images/two-sets.png["Two ordered sets",width="13cm",height="7.5cm",align="center"] Of course either set -- or both sets -- of resources can also be internally ordered (by setting +sequential="true"+) and there is no limit to the number of sets that can be specified. .Advanced use of set ordering - Three ordered sets, two of which are internally unordered ====== [source,XML] ------- ------- ====== == Three Resources Sets == .Visual representation of the start order for the three sets defined above image::images/three-sets.png["Three ordered sets",width="16cm",height="7.5cm",align="center"] == Resource Set OR Logic == The unordered set logic discussed so far has all been "AND" logic. To illustrate this take the 3 resource set figure in the previous section. Those sets can be expressed, +(A and B) then (C) then (D) then (E and F)+ Say for example we want change the first set, (A and B), to use "OR" logic so the sets look like this, +(A or B) then (C) then (D) then (E and F)+. This functionality can be achieved through the use of the +require-all+ option. By default this option is 'require-all=true' which is why the "AND" logic is used by default. Changing +require-all=false+ means only one resource in the set needs to be started before continuing on to the next set. Note that the 'require-all=false' option only makes sense to use in conjunction with unordered sets, 'sequential=false'. Think of it like this, 'sequential=false' modifies the set to be an unordered set that uses "AND" logic by default, by adding 'require-all=false' the unordered set's "AND" logic is flipped to "OR" logic. .Resource Set "OR" logic. Three ordered sets, where the first set is internally unordered with "OR" logic. ====== [source,XML] ------- ------- ====== [[s-resource-sets-collocation]] == Collocating Sets of Resources == Another common situation is for an administrator to create a set of collocated resources. Previously this was possible either by defining a resource group (See <>) which could not always accurately express the design; or by defining each relationship as an individual constraint, causing a constraint explosion as the number of resources and combinations grew. .A chain of collocated resources ====== [source,XML] ------- ------- ====== To make things easier, we allow an alternate form of colocation constraints using +resource_sets+. Just like the expanded version, a resource that can't be active also prevents any resource that must be collocated with it from being active. For example, if +B was+ not able to run, then both +C (+and by inference +D)+ must also remain stopped. .The equivalent colocation chain expressed using +resource_sets+ ====== [source,XML] ------- ------- ====== [NOTE] Resource sets have the same colocation semantics as groups. .A group resource with the equivalent colocation rules [source,XML] ------- ------- This notation can also be used in this context to tell the cluster that a set of resources must all be located with a common peer, but have no dependencies on each other. In this scenario, unlike the previous, +B would+ be allowed to remain active even if +A or+ +C+ (or both) were inactive. .Using colocation sets to specify a common peer. ====== [source,XML] ------- ------- ====== Of course there is no limit to the number and size of the sets used. The only thing that matters is that in order for any member of set N to be active, all the members of set N+1 must also be active (and naturally on the same node); and if a set has +sequential="true"+, then in order for member M to be active, member M+1 must also be active. You can even specify the role in which the members of a set must be in using the set's role attribute. .A colocation chain where the members of the middle set have no inter-dependencies and the last has master status. ====== [source,XML] ------- ------- ====== == Another Three Resources Sets == .Visual representation of a colocation chain where the members of the middle set have no inter-dependencies image::images/three-sets-complex.png["Colocation chain",width="16cm",height="9cm",align="center"] pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Intro.txt000066400000000000000000000166611217637305600240640ustar00rootroot00000000000000= Read-Me-First = == The Scope of this Document == The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB. For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document footnote:[I hope, however, that the concepts explained here make the functionality of these tools more easily understood.] , precisely because they hide the XML. Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster. == What Is Pacemaker? == Pacemaker is a cluster resource manager. It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either http://www.corosync.org/[Corosync] or http://linux-ha.org/wiki/Heartbeat[Heartbeat]. Pacemaker's key features include: * Detection and recovery of node and service-level failures * Storage agnostic, no requirement for shared storage * Resource agnostic, anything that can be scripted can be clustered * Supports http://en.wikipedia.org/wiki/STONITH[STONITH] for ensuring data integrity * Supports large and small clusters * Supports both http://en.wikipedia.org/wiki/Quorum_(Distributed_Systems)[quorate] and http://devresources.linux-foundation.org/dev/clusters/docs/ResourceDrivenClusters.pdf[resource driven] clusters * Supports practically any http://en.wikipedia.org/wiki/High-availability_cluster#Node_configurations[redundancy configuration] * Automatically replicated configuration that can be updated from any node * Ability to specify cluster-wide service ordering, colocation and anti-colocation * Support for advanced services type ** Clones: for services which need to be active on multiple nodes ** Multi-state: for services with multiple modes (eg. master/slave, primary/secondary) == Types of Pacemaker Clusters == Pacemaker makes no assumptions about your environment, this allows it to support practically any http://en.wikipedia.org/wiki/High-availability_cluster#Node_configurations[redundancy configuration] including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N. .Active/Passive Redundancy image::images/pcmk-active-passive.png["Active/Passive Redundancy",width="10cm",height="7.5cm",align="center"] Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations. .Shared Failover image::images/pcmk-shared-failover.png["Shared Failover",width="10cm",height="7.5cm",align="center"] By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node .N to N Redundancy image::images/pcmk-active-active.png["N to N Redundancy",width="10cm",height="7.5cm",align="center"] When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload. == Pacemaker Architecture == At the highest level, the cluster is made up of three pieces: * Core cluster infrastructure providing messaging and membership functionality (illustrated in red) * Non-cluster aware components (illustrated in green). + In a Pacemaker cluster, these pieces include not only the scripts that knows how to start, stop and monitor resources, but also a local daemon that masks the differences between the different standards these scripts implement. + * A brain (illustrated in blue) + This component processes and reacts to events from the cluster (nodes leaving or joining) and resources (eg. monitor failures) as well as configuration changes from the administrator. In response to all of these events, Pacemaker will compute the ideal state of the cluster and plot a path to achieve it. This may include moving resources, stopping nodes and even forcing nodes offline with remote power switches. + //// Hack to force end list //// === Conceptual Stack Overview === .Conceptual overview of the cluster stack image::images/pcmk-overview.png["Conceptual overview of the cluster stack",width="10cm",height="7.5cm",align="center"] When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. footnote:[ Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. ] Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services. .The Pacemaker stack when running on Corosync image::images/pcmk-stack.png["The Pacemaker stack when running on Corosync",width="10cm",height="7.5cm",align="center"] === Internal Components === Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram): * CIB (aka. Cluster Information Base) * CRMd (aka. Cluster Resource Management daemon) * PEngine (aka. PE or Policy Engine) * STONITHd .Subsystems of a Pacemaker cluster image::images/pcmk-internals.png["Subsystems of a Pacemaker cluster",width="10cm",height="7.5cm",align="center"] The CIB uses XML to represent both the cluster's configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved. This list of instructions is then fed to the DC (Designated Controller). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process (or the node it is on) fail... a new one is quickly established. The DC carries out PEngine's instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process). The peer nodes all report the results of their operations back to the DC and, based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results. In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd. STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch. In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest. pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Multi-site-Clusters.txt000066400000000000000000000320271217637305600266210ustar00rootroot00000000000000= Multi-Site Clusters and Tickets = [[Multisite]] == Abstract == Apart from local clusters, Pacemaker also supports multi-site clusters. That means you can have multiple, geographically dispersed sites with a local cluster each. Failover between these clusters can be coordinated by a higher level entity, the so-called `CTR (Cluster Ticket Registry)`. == Challenges for Multi-Site Clusters == Typically, multi-site environments are too far apart to support synchronous communication between the sites and synchronous data replication. That leads to the following challenges: - How to make sure that a cluster site is up and running? - How to make sure that resources are only started once? - How to make sure that quorum can be reached between the different sites and a split brain scenario can be avoided? - How to manage failover between the sites? - How to deal with high latency in case of resources that need to be stopped? In the following sections, learn how to meet these challenges. == Conceptual Overview == Multi-site clusters can be considered as “overlay” clusters where each cluster site corresponds to a cluster node in a traditional cluster. The overlay cluster can be managed by a `CTR (Cluster Ticket Registry)` mechanism. It guarantees that the cluster resources will be highly available across different cluster sites. This is achieved by using so-called `tickets` that are treated as failover domain between cluster sites, in case a site should be down. The following list explains the individual components and mechanisms that were introduced for multi-site clusters in more detail. === Components and Concepts === ==== Ticket ==== "Tickets" are, essentially, cluster-wide attributes. A ticket grants the right to run certain resources on a specific cluster site. Resources can be bound to a certain ticket by `rsc_ticket` dependencies. Only if the ticket is available at a site, the respective resources are started. Vice versa, if the ticket is revoked, the resources depending on that ticket need to be stopped. The ticket thus is similar to a 'site quorum'; i.e., the permission to manage/own resources associated with that site. (One can also think of the current `have-quorum` flag as a special, cluster-wide ticket that is granted in case of node majority.) These tickets can be granted/revoked either manually by administrators (which could be the default for the classic enterprise clusters), or via an automated `CTR` mechanism described further below. A ticket can only be owned by one site at a time. Initially, none of the sites has a ticket. Each ticket must be granted once by the cluster administrator. The presence or absence of tickets for a site is stored in the CIB as a cluster status. With regards to a certain ticket, there are only two states for a site: `true` (the site has the ticket) or `false` (the site does not have the ticket). The absence of a certain ticket (during the initial state of the multi-site cluster) is also reflected by the value `false`. ==== Dead Man Dependency ==== A site can only activate the resources safely if it can be sure that the other site has deactivated them. However after a ticket is revoked, it can take a long time until all resources depending on that ticket are stopped "cleanly", especially in case of cascaded resources. To cut that process short, the concept of a `Dead Man Dependency` was introduced: - If the ticket is revoked from a site, the nodes that are hosting dependent resources are fenced. This considerably speeds up the recovery process of the cluster and makes sure that resources can be migrated more quickly. This can be configured by specifying a `loss-policy="fence"` in `rsc_ticket` constraints. ==== CTR (Cluster Ticket Registry) ==== This is for those scenarios where the tickets management is supposed to be automatic (instead of the administrator revoking the ticket somewhere, waiting for everything to stop, and then granting it on the desired site). A `CTR` is a network daemon that handles granting, revoking, and timing out "tickets". The participating clusters would run the daemons that would connect to each other, exchange information on their connectivity details, and vote on which site gets which ticket(s). A ticket would only be granted to a site once they can be sure that it has been relinquished by the previous owner, which would need to be implemented via a timer in most scenarios. If a site loses connection to its peers, its tickets time out and recovery occurs. After the connection timeout plus the recovery timeout has passed, the other sites are allowed to re-acquire the ticket and start the resources again. This can also be thought of as a "quorum server", except that it is not a single quorum ticket, but several. ==== Configuration Replication ==== As usual, the CIB is synchronized within each cluster, but it is not synchronized across cluster sites of a multi-site cluster. You have to configure the resources that will be highly available across the multi-site cluster for every site accordingly. == Configuring Ticket Dependencies == The `rsc_ticket` constraint lets you specify the resources depending on a certain ticket. Together with the constraint, you can set a `loss-policy` that defines what should happen to the respective resources if the ticket is revoked. The attribute `loss-policy` can have the following values: fence:: Fence the nodes that are running the relevant resources. stop:: Stop the relevant resources. freeze:: Do nothing to the relevant resources. demote:: Demote relevant resources that are running in master mode to slave mode. An example to configure a `rsc_ticket` constraint: [source,XML] ------- ------- This creates a constraint with the ID `rsc1-req-ticketA`. It defines that the resource `rsc1` depends on `ticketA` and that the node running the resource should be fenced in case `ticketA` is revoked. If resource `rsc1` was a multi-state resource that can run in master or slave mode, you may want to configure that only `rsc1's` master mode depends on `ticketA`. With the following configuration, `rsc1` will be demoted to slave mode if `ticketA` is revoked: [source,XML] ------- ------- You can create more `rsc_ticket` constraints to let multiple resources depend on the same ticket. `rsc_ticket` also supports resource sets. So one can easily list all the resources in one `rsc_ticket` constraint. For example: [source,XML] ------- ------- In the example, there are two resource sets for listing the resources with different `roles` in one `rsc_ticket` constraint. There's no dependency between the two resource sets. And there's no dependency among the resources within a resource set. Each of the resources just depends on `ticketA`. Referencing resource templates in `rsc_ticket` constraints, and even referencing them within resource sets, is also supported. If you want other resources to depend on further tickets, create as many constraints as necessary with `rsc_ticket`. == Managing Multi-Site Clusters == === Granting and Revoking Tickets Manually === You can grant tickets to sites or revoke them from sites manually. Though if you want to re-distribute a ticket, you should wait for the dependent resources to cleanly stop at the previous site before you grant the ticket to another desired site. Use the `crm_ticket` command line tool to grant and revoke tickets. To grant a ticket to this site: [source,C] ------- # crm_ticket --ticket ticketA --grant ------- To revoke a ticket from this site: [source,C] ------- # crm_ticket --ticket ticketA --revoke ------- [IMPORTANT] ==== If you are managing tickets manually. Use the `crm_ticket` command with great care as they cannot help verify if the same ticket is already granted elsewhere. ==== === Granting and Revoking Tickets via a Cluster Ticket Registry === ==== Booth ==== Booth is an implementation of `Cluster Ticket Registry` or so-called `Cluster Ticket Manager`. Booth is the instance managing the ticket distribution and thus, the failover process between the sites of a multi-site cluster. Each of the participating clusters and arbitrators runs a service, the boothd. It connects to the booth daemons running at the other sites and exchanges connectivity details. Once a ticket is granted to a site, the booth mechanism will manage the ticket automatically: If the site which holds the ticket is out of service, the booth daemons will vote which of the other sites will get the ticket. To protect against brief connection failures, sites that lose the vote (either explicitly or implicitly by being disconnected from the voting body) need to relinquish the ticket after a time-out. Thus, it is made sure that a ticket will only be re-distributed after it has been relinquished by the previous site. The resources that depend on that ticket will fail over to the new site holding the ticket. The nodes that have run the resources before will be treated according to the `loss-policy` you set within the `rsc_ticket` constraint. Before the booth can manage a certain ticket within the multi-site cluster, you initially need to grant it to a site manually via `booth client` command. After you have initially granted a ticket to a site, the booth mechanism will take over and manage the ticket automatically. [IMPORTANT] ==== The `booth client` command line tool can be used to grant, list, or revoke tickets. The `booth client` commands work on any machine where the booth daemon is running. If you are managing tickets via `Booth`, only use `booth client` for manual intervention instead of `crm_ticket`. That can make sure the same ticket will only be owned by one cluster site at a time. ==== Booth includes an implementation of http://en.wikipedia.org/wiki/Paxos_algorithm['Paxos'] and 'Paxos Lease' algorithm, which guarantees the distributed consensus among different cluster sites. [NOTE] ==== `Arbitrator` Each site runs one booth instance that is responsible for communicating with the other sites. If you have a setup with an even number of sites, you need an additional instance to reach consensus about decisions such as failover of resources across sites. In this case, add one or more arbitrators running at additional sites. Arbitrators are single machines that run a booth instance in a special mode. As all booth instances communicate with each other, arbitrators help to make more reliable decisions about granting or revoking tickets. An arbitrator is especially important for a two-site scenario: For example, if site `A` can no longer communicate with site `B`, there are two possible causes for that: - `A` network failure between `A` and `B`. - Site `B` is down. However, if site `C` (the arbitrator) can still communicate with site `B`, site `B` must still be up and running. ==== ===== Requirements ===== - All clusters that will be part of the multi-site cluster must be based on Pacemaker. - Booth must be installed on all cluster nodes and on all arbitrators that will be part of the multi-site cluster. The most common scenario is probably a multi-site cluster with two sites and a single arbitrator on a third site. However, technically, there are no limitations with regards to the number of sites and the number of arbitrators involved. Nodes belonging to the same cluster site should be synchronized via NTP. However, time synchronization is not required between the individual cluster sites. === General Management of Tickets === Display the information of tickets: [source,C] ------- # crm_ticket --info ------- Or you can monitor them with: [source,C] ------- # crm_mon --tickets ------- Display the rsc_ticket constraints that apply to a ticket: [source,C] ------- # crm_ticket --ticket ticketA --constraints ------- When you want to do maintenance or manual switch-over of a ticket, the ticket could be revoked from the site for any reason, which would trigger the loss-policies. If `loss-policy="fence"`, the dependent resources could not be gracefully stopped/demoted, and even, other unrelated resources could be impacted. The proper way is making the ticket `standby` first with: [source,C] ------- # crm_ticket --ticket ticketA --standby ------- Then the dependent resources will be stopped or demoted gracefully without triggering the loss-policies. If you have finished the maintenance and want to activate the ticket again, you can run: [source,C] ------- # crm_ticket --ticket ticketA --activate ------- == For more information == `Multi-site Clusters` http://doc.opensuse.org/products/draft/SLE-HA/SLE-ha-guide_sd_draft/cha.ha.geo.html `Booth` https://github.com/ClusterLabs/booth pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Nodes.txt000066400000000000000000000156261217637305600240410ustar00rootroot00000000000000= Cluster Nodes = == Defining a Cluster Node == Each node in the cluster will have an entry in the nodes section containing its UUID, uname, and type. .Example Heartbeat cluster node entry ====== [source,XML] ====== .Example Corosync cluster node entry ====== [source,XML] ====== In normal circumstances, the admin should let the cluster populate this information automatically from the communications and membership data. However for Heartbeat, one can use the `crm_uuid` tool to read an existing UUID or define a value before the cluster starts. [[s-node-name]] == Where Pacemaker Gets the Node Name == Traditionally, Pacemaker required nodes to be referred to by the value returned by `uname -n`. This can be problematic for services that require the `uname -n` to be a specific value (ie. for a licence file). Since version 2.0.0 of Pacemaker, this requirement has been relaxed for clusters using Corosync 2.0 or later. The name Pacemaker uses is: . The value stored in 'corosync.conf' under +ring0_addr+ in the +nodelist+, if it does not contain an IP address; otherwise . The value stored in 'corosync.conf' under +name+ in the +nodelist+; otherwise . The value of `uname -n` Pacemaker provides the `crm_node -n` command which displays the name used by a running cluster. If a Corosync nodelist is used, `crm_node --name-for-id $number` is also available to display the name used by the node with the corosync +nodeid+ of '$number', for example: `crm_node --name-for-id 2`. [[s-node-attributes]] == Describing a Cluster Node == indexterm:[Node,attribute] Beyond the basic definition of a node the administrator can also describe the node's attributes, such as how much RAM, disk, what OS or kernel version it has, perhaps even its physical location. This information can then be used by the cluster when deciding where to place resources. For more information on the use of node attributes, see <>. Node attributes can be specified ahead of time or populated later, when the cluster is running, using `crm_attribute`. Below is what the node's definition would look like if the admin ran the command: .The result of using crm_attribute to specify which kernel pcmk-1 is running ====== [source,C] ------- # crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r` ------- [source,XML] ------- ------- ====== A simpler way to determine the current value of an attribute is to use `crm_attribute` command again: [source,C] # crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value By specifying `--type nodes` the admin tells the cluster that this attribute is persistent. There are also transient attributes which are kept in the status section which are "forgotten" whenever the node rejoins the cluster. The cluster uses this area to store a record of how many times a resource has failed on that node but administrators can also read and write to this section by specifying `--type status`. == Corosync == === Adding a New Corosync Node === indexterm:[Corosync,Add Cluster Node] indexterm:[Add Cluster Node,Corosync] Adding a new node is as simple as installing Corosync and Pacemaker, and copying '/etc/corosync/corosync.conf' and '/etc/corosync/authkey' (if it exists) from an existing node. You may need to modify the +mcastaddr+ option to match the new node's IP address. If a log message containing "Invalid digest" appears from Corosync, the keys are not consistent between the machines. === Removing a Corosync Node === indexterm:[Corosync,Remove Cluster Node] indexterm:[Remove Cluster Node,Corosync] Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution. First one must arrange for corosync to forget about the node (_pcmk-1_ in the example below). On the host to be removed: . Stop the cluster: `/etc/init.d/corosync stop` Next, from one of the remaining active cluster nodes: . Tell Pacemaker to forget about the removed host: + [source,C] # crm_node -R pcmk-1 + This includes deleting the node from the CIB [NOTE] ====== This proceedure only works for versions after 1.1.8 ====== === Replacing a Corosync Node === indexterm:[Corosync,Replace Cluster Node] indexterm:[Replace Cluster Node,Corosync] The five-step guide to replacing an existing cluster node: . Make sure the old node is completely stopped . Give the new machine the same hostname and IP address as the old one . Install the cluster software :-) . Copy '/etc/corosync/corosync.conf' and '/etc/corosync/authkey' (if it exists) to the new node . Start the new cluster node If a log message containing "Invalid digest" appears from Corosync, the keys are not consistent between the machines. == CMAN == === Adding a New CMAN Node === indexterm:[CMAN,Add Cluster Node] indexterm:[Add Cluster Node,CMAN] === Removing a CMAN Node === indexterm:[CMAN,Remove Cluster Node] indexterm:[Remove Cluster Node,CMAN] == Heartbeat == === Adding a New Heartbeat Node === indexterm:[Heartbeat,Add Cluster Node] indexterm:[Add Cluster Node,Heartbeat] Provided you specified +autojoin any+ in 'ha.cf', adding a new node is as simple as installing heartbeat and copying 'ha.cf' and 'authkeys' from an existing node. If you don't want to use +autojoin+, then after setting up 'ha.cf' and 'authkeys', you must use `hb_addnode` before starting the new node. === Removing a Heartbeat Node === indexterm:[Heartbeat,Remove Cluster Node] indexterm:[Remove Cluster Node,Heartbeat] Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution. First one must arrange for Heartbeat to forget about the node (pcmk-1 in the example below). On the host to be removed: . Stop the cluster: `/etc/init.d/corosync stop` Next, from one of the remaining active cluster nodes: . Tell Heartbeat the node should be removed [source,C] # hb_delnode pcmk-1 . Tell Pacemaker to forget about the removed host: [source,C] # crm_node -R pcmk-1 [NOTE] ====== This proceedure only works for versions after 1.1.8 ====== === Replacing a Heartbeat Node === indexterm:[Heartbeat,Replace Cluster Node] indexterm:[Replace Cluster Node,Heartbeat] The seven-step guide to replacing an existing cluster node: . Make sure the old node is completely stopped . Give the new machine the same hostname as the old one . Go to an active cluster node and look up the UUID for the old node in '/var/lib/heartbeat/hostcache' . Install the cluster software . Copy 'ha.cf' and 'authkeys' to the new node . On the new node, populate it's UUID using `crm_uuid -w` and the UUID from step 2 . Start the new cluster node pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Notifications.txt000066400000000000000000000120661217637305600255750ustar00rootroot00000000000000= Receiving Notification for Cluster Events = //// We prefer [[ch-notifications]], but older versions of asciidoc dont deal well with that construct for chapter headings //// anchor:ch-notifications[Chapter 7, Receiving Notification for Cluster Events] indexterm:[Resource,Notification] A Pacemaker cluster is an event driven system. In this context, an event is a resource failure or configuration change (not exhaustive). The +ocf:pacemaker:ClusterMon+ resource can monitor the cluster status and triggers alerts on each cluster event. This resource runs +crm_mon+ in the background at regular intervals (configurable) and uses +crm_mon+ capabilities to send emails (SMTP), SNMP traps or to execute an external program via the +extra_options+ parameter. [NOTE] ===== Depending on your system settings and compilation settings, SNMP or email alerts might be unavailable. Check +crm_mon --help+ output to see if these options are available to you. In any case, executing an external agent will always be available, and you can have this agent to send emails, SNMP traps, or whatever action you develop. ===== [[s-notification-snmp]] == Configuring SNMP Notifications == indexterm:[Resource,Notification,SNMP] Requires an IP to send SNMP traps to, and a SNMP community. Pacemaker MIB is found in _/usr/share/snmp/mibs/PCMK-MIB.txt_ .Configuring ClusterMon to send SNMP traps ===== [source,XML] ----- ----- ===== [[s-notification-email]] == Configuring Email Notifications == indexterm:[Resource,Notification,SMTP,Email] Requires a user to send mail alerts to. "Mail-From", SMTP relay and Subject prefix can also be configured. .Configuring ClusterMon to send email alerts ===== [source,XML] ----- ----- ===== [[s-notification-external]] == Configuring Notifications via External-Agent == Requires a program (external-agent) to run when resource operations take place, and an external-recipient (IP address, Email address, URI). When triggered, the external-agent is fed with dynamically filled environnement variables describing precisely the cluster event that occurred. By making smart usage of these variables in your external-agent code, you can trigger any action. .Configuring ClusterMon to execute an external-agent ===== [source,XML] ----- ----- ===== .Environment Variables Passed to the External Agent [width="95%",cols="1m,2<",options="header",align="center"] |========================================================= |Environment Variable |Description |CRM_notify_recipient | The static external-recipient from the resource definition. indexterm:[Environment Variable,CRM_notify_recipient] |CRM_notify_node | The node on which the status change happened. indexterm:[Environment Variable,CRM_notify_node] |CRM_notify_rsc | The name of the resource that changed the status. indexterm:[Environment Variable,CRM_notify_rsc] |CRM_notify_task | The operation that caused the status change. indexterm:[Environment Variable,CRM_notify_task] |CRM_notify_desc | The textual output relevant error code of the operation (if any) that caused the status change. indexterm:[Environment Variable,CRM_notify_desc] |CRM_notify_rc | The return code of the operation. indexterm:[Environment Variable,CRM_notify_rc] |CRM_notify_target_rc | The expected return code of the operation. indexterm:[Environment Variable,CRM_notify_target_rc] |CRM_notify_status | The numerical representation of the status of the operation. indexterm:[Environment Variable,CRM_notify_target_rc] |========================================================= pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Options.txt000066400000000000000000000333021217637305600244130ustar00rootroot00000000000000= Cluster Options = == Special Options == The reason for these fields to be placed at the top level instead of with the rest of cluster options is simply a matter of parsing. These options are used by the configuration database which is, by design, mostly ignorant of the content it holds. So the decision was made to place them in an easy to find location. == Configuration Version == indexterm:[Configuration Version,Cluster] indexterm:[Cluster,Option,Configuration Version] When a node joins the cluster, the cluster will perform a check to see who has the best configuration based on the fields below. It then asks the node with the highest (+admin_epoch+, +epoch+, +num_updates+) tuple to replace the configuration on all the nodes - which makes setting them, and setting them correctly, very important. .Configuration Version Properties [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description | admin_epoch | indexterm:[admin_epoch,Cluster Option] indexterm:[Cluster,Option,admin_epoch] Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete. _Never set this value to zero_, in such cases the cluster cannot tell the difference between your configuration and the "empty" one used when nothing is found on disk. | epoch | indexterm:[epoch,Cluster Option] indexterm:[Cluster,Option,epoch] Incremented every time the configuration is updated (usually by the admin) | num_updates | indexterm:[num_updates,Cluster Option] indexterm:[Cluster,Option,num_updates] Incremented every time the configuration or status is updated (usually by the cluster) |========================================================= == Other Fields == .Properties Controlling Validation [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description | validate-with | indexterm:[validate-with,Cluster Option] indexterm:[Cluster,Option,validate-with] Determines the type of validation being done on the configuration. If set to "none", the cluster will not verify that updates conform to the DTD (nor reject ones that don't). This option can be useful when operating a mixed version cluster during an upgrade. |========================================================= == Fields Maintained by the Cluster == .Properties Maintained by the Cluster [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |cib-last-written | indexterm:[cib-last-written,Cluster Property] indexterm:[Cluster,Property,cib-last-written] Indicates when the configuration was last written to disk. Informational purposes only. |dc-uuid | indexterm:[dc-uuid,Cluster Property] indexterm:[Cluster,Property,dc-uuid] Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events. |have-quorum | indexterm:[have-quorum,Cluster Property] indexterm:[Cluster,Property,have-quorum] Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See +no-quorum-policy+ below. | dc-version | indexterm:[dc-version,Cluster Peroperty] indexterm:[Cluster,Peroperty,dc-version] Version of Pacemaker on the cluster's DC. Often includes the hash which identifies the exact Git changeset it was built from. Used for diagnostic purposes. | cluster-infrastructure | indexterm:[cluster-infrastructure,Cluster Peroperty] indexterm:[Cluster,Peroperty,cluster-infrastructure] The messaging stack on which Pacemaker is currently running. Used for informational and diagnostic purposes. | expected-quorum-votes | indexterm:[expected-quorum-votes,Cluster Peroperty] indexterm:[Cluster,Peroperty,expected-quorum-votes] The number of nodes expected to be in the cluster Used to calculate quorum in Corosync 1.x (not CMAN) based clusters. |========================================================= Note that although these fields can be written to by the admin, in most cases the cluster will overwrite any values specified by the admin with the "correct" ones. To change the +admin_epoch+, for example, one would use: [source,C] # cibadmin --modify --crm_xml '' A complete set of fields will look something like this: .An example of the fields set for a cib object ====== [source,XML] ------- ------- ====== == Cluster Options == Cluster options, as you might expect, control how the cluster behaves when confronted with certain situations. They are grouped into sets and, in advanced configurations, there may be more than one. footnote:[This will be described later in the section on <> where we will show how to have the cluster use different sets of options during working hours (when downtime is usually to be avoided at all costs) than it does during the weekends (when resources can be moved to the their preferred hosts without bothering end users)] For now we will describe the simple case where each option is present at most once. == Available Cluster Options == .Cluster Options [width="95%",cols="5m,2,11<",options="header",align="center"] |========================================================= |Option |Default |Description | batch-limit | 30 | indexterm:[batch-limit,Cluster Option] indexterm:[Cluster,Option,batch-limit] The number of jobs that the TE is allowed to execute in parallel. The "correct" value will depend on the speed and load of your network and cluster nodes. | migration-limit | -1 (unlimited) | indexterm:[migration-limit,Cluster Option] indexterm:[Cluster,Option,migration-limit] The number of migration jobs that the TE is allowed to execute in parallel on a node. | no-quorum-policy | stop | indexterm:[no-quorum-policy,Cluster Option] indexterm:[Cluster,Option,no-quorum-policy] What to do when the cluster does not have quorum. Allowed values: * ignore - continue all resource management * freeze - continue resource management, but don't recover resources from nodes not in the affected partition * stop - stop all resources in the affected cluster partition * suicide - fence all nodes in the affected cluster partition | symmetric-cluster | TRUE | indexterm:[symmetric-cluster,Cluster Option] indexterm:[Cluster,Option,symmetric-cluster] Can all resources run on any node by default? | stonith-enabled | TRUE | indexterm:[stonith-enabled,Cluster Option] indexterm:[Cluster,Option,stonith-enabled] Should failed nodes and nodes with resources that can't be stopped be shot? If you value your data, set up a STONITH device and enable this. If true, or unset, the cluster will refuse to start resources unless one or more STONITH resources have been configured also. | stonith-action | reboot | indexterm:[stonith-action,Cluster Option] indexterm:[Cluster,Option,stonith-action] Action to send to STONITH device. Allowed values: reboot, off. The value 'poweroff' is also allowed, but is only used for legacy devices. | cluster-delay | 60s | indexterm:[cluster-delay,Cluster Option] indexterm:[Cluster,Option,cluster-delay] Round trip delay over the network (excluding action execution). The "correct" value will depend on the speed and load of your network and cluster nodes. | stop-all-resources | FALSE | indexterm:[stop-all-resources,Cluster Option] indexterm:[Cluster,Option,stop-all-resources] Should the cluster stop all stop | resources-orphan-resources | TRUE | indexterm:[stop-orphan-resources,Cluster Option] indexterm:[Cluster,Option,stop-orphan-resources] Should deleted resources be stopped? | stop-orphan-actions | TRUE | indexterm:[stop-orphan-actions,Cluster Option] indexterm:[Cluster,Option,stop-orphan-actions] Should deleted actions be cancelled? | start-failure-is-fatal | TRUE | indexterm:[start-failure-is-fatal,Cluster Option] indexterm:[Cluster,Option,start-failure-is-fatal] When set to FALSE, the cluster will instead use the resource's +failcount+ and value for +resource-failure-stickiness+. | pe-error-series-max | -1 (all) | indexterm:[pe-error-series-max,Cluster Option] indexterm:[Cluster,Option,pe-error-series-max] The number of PE inputs resulting in ERRORs to save. Used when reporting problems. | pe-warn-series-max | -1 (all) | indexterm:[pe-warn-series-max,Cluster Option] indexterm:[Cluster,Option,pe-warn-series-max] The number of PE inputs resulting in WARNINGs to save. Used when reporting problems. | pe-input-series-max | -1 (all) | indexterm:[pe-input-series-max,Cluster Option] indexterm:[Cluster,Option,pe-input-series-max] The number of "normal" PE inputs to save. Used when reporting problems. |default-resource-stickiness | 0 | indexterm:[default-resource-stickiness,Cluster Option] indexterm:[Cluster,Option,default-resource-stickiness] +Deprecated:+ See <> instead | is-managed-default | TRUE | indexterm:[is-managed-default,Cluster Option] indexterm:[Cluster,Option,is-managed-default] +Deprecated:+ See <> instead | maintenance-mode | FALSE | indexterm:[maintenance-mode,Cluster Option] indexterm:[Cluster,Option,maintenance-mode] Should the cluster monitor resources and start/stop them as required | stonith-timeout | 60s | indexterm:[stonith-timeout,Cluster Option] indexterm:[Cluster,Option,stonith-timeout] How long to wait for the STONITH action to complete | default-action-timeout | 20s | indexterm:[default-action-timeout,Cluster Option] indexterm:[Cluster,Option,default-action-timeout] +Deprecated:+ See <> instead | dc-deadtime | 20s | indexterm:[dc-deadtime,Cluster Option] indexterm:[Cluster,Option,dc-deadtime] How long to wait for a response from other nodes during startup. The "correct" value will depend on the speed/load of your network and the type of switches used. | cluster-recheck-interval | 15min | indexterm:[cluster-recheck-interval,Cluster Option] indexterm:[Cluster,Option,cluster-recheck-interval] Polling interval for time based changes to options, resource parameters and constraints. The Cluster is primarily event driven, however the configuration can have elements that change based on time. To ensure these changes take effect, we can optionally poll the cluster's status for changes. Allowed values: Zero disables polling. Positive values are an interval in seconds (unless other SI units are specified. eg. 5min) | election-timeout | 2min | indexterm:[election-timeout,Cluster Option] indexterm:[Cluster,Option,election-timeout] +Advanced Use Only+ If need to adjust this value, it probably indicates the presence of a bug. | shutdown-escalation | 20min | indexterm:[shutdown-escalation,Cluster Option] indexterm:[Cluster,Option,shutdown-escalation] +Advanced Use Only+ If need to adjust this value, it probably indicates the presence of a bug. | crmd-integration-timeout | 3min | indexterm:[crmd-integration-timeout,Cluster Option] indexterm:[Cluster,Option,crmd-integration-timeout] +Advanced Use Only+ If need to adjust this value, it probably indicates the presence of a bug. | crmd-finalization-timeout | 30min | indexterm:[crmd-finalization-timeout,Cluster Option] indexterm:[Cluster,Option,crmd-finalization-timeout] +Advanced Use Only+ If need to adjust this value, it probably indicates the presence of a bug. | crmd-transition-delay | | indexterm:[crmd-transition-delay,Cluster Option] indexterm:[Cluster,Option,crmd-transition-delay] +Advanced Use Only+ Enabling this option will slow down cluster recovery under all conditions. Delay cluster recovery for the configured interval to allow for additional/related events to occur. Useful if your configuration is sensitive to the order in which ping updates arrive. |========================================================= You can always obtain an up-to-date list of cluster options, including their default values, by running the `man pengine` and `man crmd` commands. == Querying and Setting Cluster Options == indexterm:[Querying,Cluster Option] indexterm:[Setting,Cluster Option] indexterm:[Cluster,Querying Options] indexterm:[Cluster,Setting Options] Cluster options can be queried and modified using the `crm_attribute` tool. To get the current value of +cluster-delay+, simply use: [source,C] # crm_attribute --attr-name cluster-delay --get-value which is more simply written as [source,C] # crm_attribute --get-value -n cluster-delay If a value is found, you'll see a result like this: [source,C] # crm_attribute --get-value -n cluster-delay name=cluster-delay value=60s However, if no value is found, the tool will display an error: [source,C] # crm_attribute --get-value -n clusta-deway` name=clusta-deway value=(null) Error performing operation: The object/attribute does not exist To use a different value, eg. +30+, simply run: [source,C] # crm_attribute --attr-name cluster-delay --attr-value 30s To go back to the cluster's default value you can delete the value, for example with this command: [source,C] # crm_attribute --attr-name cluster-delay --delete-attr == When Options are Listed More Than Once == If you ever see something like the following, it means that the option you're modifying is present more than once. .Deleting an option that is listed twice ======= [source,C] ------ # crm_attribute --attr-name batch-limit --delete-attr Multiple attributes match name=batch-limit in crm_config: Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit) Value: 100 (set=custom, id=custom-batch-limit) Please choose from one of the matches above and supply the 'id' with --attr-id ------- ======= In such cases follow the on-screen instructions to perform the requested action. To determine which value is currently being used by the cluster, please refer to <>. pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Resource-Templates.txt000066400000000000000000000157011217637305600265060ustar00rootroot00000000000000= Resource Templates = == Abstract == If you want to create lots of resources with similar configurations, defining a resource template simplifies the task. Once defined, it can be referenced in primitives or in certain types of constraints. == Configuring Resources with Templates == The primitives referencing the template will inherit all meta attributes, instance attributes, utilization attributes and operations defined in the template. And you can define specific attributes and operations for any of the primitives. If any of these are defined in both the template and the primitive, the values defined in the primitive will take precedence over the ones defined in the template. Hence, resource templates help to reduce the amount of configuration work. If any changes are needed, they can be done to the template definition and will take effect globally in all resource definitions referencing that template. Resource templates have a similar syntax like primitives. For example: [source,XML] ---- ---- Once you defined the new resource template, you can use it in primitives: [source,XML] ---- ---- The new primitive `vm1` is going to inherit everything from the `vm-template`. For example, the equivalent of the above two would be: [source,XML] ---- ---- If you want to overwrite some attributes or operations, add them to the particular primitive's definition. For instance, the following new primitive `vm2` has special attribute values. Its `monitor` operation has a longer `timeout` and `interval`, and the primitive has an additional `stop` operation. [source,XML] ---- ---- The following command shows the resulting definition of a resource: [source,C] # crm_resource --query-xml --resource vm2 The following command shows its raw definition in cib: [source,C] # crm_resource --query-xml-raw --resource vm2 == Referencing Templates in Constraints == A resource template can be referenced in the following types of constraints: - `order` constraints - `colocation` constraints, - `rsc_ticket` constraints (for multi-site clusters). Resource templates referenced in constraints stand for all primitives which are derived from that template. This means, the constraint applies to all primitive resources referencing the resource template. Referencing resource templates in constraints is an alternative to resource sets and can simplify the cluster configuration considerably. For example: [source,XML] is the equivalent of the following constraint configuration: [source,XML] ---- ---- [NOTE] ====== In a colocation constraint, only one template may be referenced from either `rsc` or `with-rsc`, and the other reference must be a regular resource. ====== Resource templates can also be referenced in resource sets. For example: [source,XML] ---- ---- is the equivalent of the following constraint configuration: [source,XML] ---- ---- If the resources referencing the template can run in parallel: [source,XML] ---- ---- is the equivalent of the following constraint configuration: [source,XML] ---- ---- pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Resources.txt000066400000000000000000000553571217637305600247500ustar00rootroot00000000000000= Cluster Resources = == What is a Cluster Resource == indexterm:[Resource] The role of a resource agent is to abstract the service it provides and present a consistent view to the cluster, which allows the cluster to be agnostic about the resources it manages. The cluster doesn't need to understand how the resource works because it relies on the resource agent to do the right thing when given a +start+, +stop+ or +monitor+ command. For this reason it is crucial that resource agents are well tested. Typically resource agents come in the form of shell scripts, however they can be written using any technology (such as C, Python or Perl) that the author is comfortable with. [[s-resource-supported]] == Supported Resource Classes == indexterm:[Resource,class] There are six classes of agents supported by Pacemaker: * OCF * LSB * Upstart * Systemd * Fencing * Service * Nagios indexterm:[Resource,Heartbeat] indexterm:[Heartbeat,Resources] Version 1 of Heartbeat came with its own style of resource agents and it is highly likely that many people have written their own agents based on its conventions. footnote:[ See http://wiki.linux-ha.org/HeartbeatResourceAgent for more information ] Although deprecated with the release of Heartbeat v2, they were supported by Pacemaker up until the release of 1.1.8 to enable administrators to continue to use these agents. === Open Cluster Framework === indexterm:[Resource,OCF] indexterm:[OCF,Resources] indexterm:[Open Cluster Framework,Resources] The OCF standard footnote:[ http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD - at least as it relates to resource agents. ] footnote:[ The Pacemaker implementation has been somewhat extended from the OCF Specs, but none of those changes are incompatible with the original OCF specification. ] is basically an extension of the Linux Standard Base conventions for init scripts to: * support parameters, * make them self describing and * extensible OCF specs have strict definitions of the exit codes that actions must return. footnote:[ Included with the cluster is the ocf-tester script, which can be useful in this regard. ] The cluster follows these specifications exactly, and giving the wrong exit code will cause the cluster to behave in ways you will likely find puzzling and annoying. In particular, the cluster needs to distinguish a completely stopped resource from one which is in some erroneous and indeterminate state. Parameters are passed to the script as environment variables, with the special prefix +OCF_RESKEY_+. So, a parameter which the user thinks of as ip it will be passed to the script as +OCF_RESKEY_ip+. The number and purpose of the parameters is completely arbitrary, however your script should advertise any that it supports using the +meta-data+ command. The OCF class is the most preferred one as it is an industry standard, highly flexible (allowing parameters to be passed to agents in a non-positional manner) and self-describing. For more information, see the http://www.linux-ha.org/wiki/OCF_Resource_Agents[reference] and <>. === Linux Standard Base === indexterm:[Resource,LSB] indexterm:[LSB,Resources] indexterm:[Linux Standard Base,Resources] LSB resource agents are those found in '/etc/init.d'. Generally they are provided by the OS/distribution and, in order to be used with the cluster, they must conform to the LSB Spec. footnote:[ See http://refspecs.linux-foundation.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html for the LSB Spec (as it relates to init scripts). ] Many distributions claim LSB compliance but ship with broken init scripts. For details on how to check if your init script is LSB-compatible, see <>. The most common problems are: * Not implementing the status operation at all * Not observing the correct exit status codes for start/stop/status actions * Starting a started resource returns an error (this violates the LSB spec) * Stopping a stopped resource returns an error (this violates the LSB spec) === Systemd === indexterm:[Resource,Systemd] indexterm:[Systemd,Resources] Some newer distributions have replaced the old http://en.wikipedia.org/wiki/Init#SysV-style[SYS-V] style of initialization daemons (and scripts) with an alternative called http://www.freedesktop.org/wiki/Software/systemd[Systemd]. Pacemaker is able to manage these services _if they are present_. Instead of +init scripts+, systemd has +unit files+. Generally the services (or unit files) are provided by the OS/distribution but there are some instructions for converting from init scripts at: http://0pointer.de/blog/projects/systemd-for-admins-3.html [NOTE] ====== Remember to make sure the computer is +not+ configured to start any services at boot time that should be controlled by the cluster. ====== === Upstart === indexterm:[Resource,Upstart] indexterm:[Upstart,Resources] Some newer distributions have replaced the old http://en.wikipedia.org/wiki/Init#SysV-style[SYS-V] style of initialization daemons (and scripts) with an alternative called http://upstart.ubuntu.com[Upstart]. Pacemaker is able to manage these services _if they are present_. Instead of +init scripts+, upstart has +jobs+. Generally the services (or jobs) are provided by the OS/distribution. [NOTE] ====== Remember to make sure the computer is +not+ configured to start any services at boot time that should be controlled by the cluster. ====== === System Services === indexterm:[Resource,System Services] indexterm:[System Service,Resources] Since there are now many "common" types of system services (+systemd+, +upstart+, and +lsb+), Pacemaker supports a special alias which intelligently figures out which one applies to a given cluster node. This is particularly useful when the cluster contains a mix of +systemd+, +upstart+, and +lsb+. In order, Pacemaker will try to find the named service as: . an LSB (SYS-V) init script . a Systemd unit file . an Upstart job === STONITH === indexterm:[Resource,STONITH] indexterm:[STONITH,Resources] There is also an additional class, STONITH, which is used exclusively for fencing related resources. This is discussed later in <>. === Nagios Plugins === indexterm:[Resource,Nagios Plugins] indexterm:[Nagios Plugins,Resources] Nagios plugins allow us to monitor services on the remote hosts. http://nagiosplugins.org[Nagios Plugins]. Pacemaker is able to do remote monitoring with the plugins _if they are present_. An use case is to configure them as resources belonging to a resource container, which usually is a VM, and the container will be restarted if any of them has failed. While they can also be configured as ordinary resources to be just used for monitoring hosts or services via network. The supported parameters are same as the long options of a nagios plugin. [[primitive-resource]] == Resource Properties == These values tell the cluster which script to use for the resource, where to find that script and what standards it conforms to. .Properties of a Primitive Resource [width="95%",cols="1m,6<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the resource indexterm:[id,Resource] indexterm:[Resource,Property,id] |class |The standard the script conforms to. Allowed values: +ocf+, +service+, +upstart+, +systemd+, +lsb+, +stonith+ indexterm:[class,Resource] indexterm:[Resource,Property,class] |type |The name of the Resource Agent you wish to use. Eg. _IPaddr_ or _Filesystem_ indexterm:[type,Resource] indexterm:[Resource,Property,type] |provider |The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify +heartbeat+ here. indexterm:[provider,Resource] indexterm:[Resource,Property,provider] |========================================================= Resource definitions can be queried with the `crm_resource` tool. For example [source,C] # crm_resource --resource Email --query-xml might produce: .An example system resource ===== [source,XML] ===== [NOTE] ===== One of the main drawbacks to system services (such as LSB, Systemd and Upstart) resources is that they do not allow any parameters! ===== .An example OCF resource ===== [source,XML] ------- ------- ===== [[s-resource-options]] == Resource Options == Options are used by the cluster to decide how your resource should behave and can be easily set using the `--meta` option of the `crm_resource` command. .Options for a Primitive Resource [width="95%",cols="1m,1,4<",options="header",align="center"] |========================================================= |Field |Default |Description |priority |+0+ |If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active. indexterm:[priority,Resource Option] indexterm:[Resource,Option,priority] |target-role |+Started+ |What state should the cluster attempt to keep this resource in? Allowed values: * 'Stopped' - Force the resource to be stopped * 'Started' - Allow the resource to be started (In the case of <> resources, they will not promoted to master) * 'Master' - Allow the resource to be started and, if appropriate, promoted indexterm:[target-role,Resource Option] indexterm:[Resource,Option,target-role] |is-managed |+TRUE+ |Is the cluster allowed to start and stop the resource? Allowed values: +true+, +false+ indexterm:[is-managed,Resource Option] indexterm:[Resource,Option,is-managed] |resource-stickiness |Calculated |How much does the resource prefer to stay where it is? Defaults to the value of +resource-stickiness+ in the +rsc_defaults+ section indexterm:[resource-stickiness,Resource Option] indexterm:[Resource,Option,resource-stickiness] |requires |Calculated |Under what conditions can the resource be started. ('Since 1.1.8') Defaults to +fencing+ unless +stonith-enabled+ is 'false' or +class+ is 'stonith' - under those conditions the default is +quorum+. Possible values: * 'nothing' - can always be started * 'quorum' - The cluster can only start this resource if a majority of the configured nodes are active * 'fencing' - The cluster can only start this resource if a majority of the configured nodes are active _and_ any failed or unknown nodes have been powered off. * 'unfencing' - The cluster can only start this resource if a majority of the configured nodes are active _and_ any failed or unknown nodes have been powered off _and_ only on nodes that have been 'unfenced' indexterm: Option[requires,Resource] indexterm:[Resource,Option,requires] |migration-threshold |+INFINITY+ (disabled) |How many failures may occur for this resource on a node, before this node is marked ineligible to host this resource. indexterm:[migration-threshold,Resource Option] indexterm:[Resource,Option,migration-threshold] |failure-timeout |+0+ (disabled) |How many seconds to wait before acting as if the failure had not occurred, and potentially allowing the resource back to the node on which it failed. indexterm:[failure-timeout,Resource Option] indexterm:[Resource,Option,failure-timeout] |multiple-active |+stop_start+ |What should the cluster do if it ever finds the resource active on more than one node. Allowed values: * 'block' - mark the resource as unmanaged * 'stop_only' - stop all active instances and leave them that way * 'stop_start' - stop all active instances and start the resource in one location only indexterm:[multiple-active,Resource Option] indexterm:[Resource,Option,multiple-active] |remote-node |++ (disabled) |The name of the remote-node this resource defines. This both enables the resource as a remote-node and defines the unique name used to identify the remote-node. If no other parameters are set, this value will also be assumed as the hostname to connect to at port 3121. +WARNING+ This value cannot overlap with any resource or node IDs. |remote-port |+3121+ |Configure a custom port to use for the guest connection to pacemaker_remote. |remote-addr |+remote-node+ value used as hostname |The ip address or hostname to connect to if remote-node's name is not the hostname of the guest. |+remote-connect-timeout+ |+60s+ |How long before a pending guest connection will time out. |========================================================= If you performed the following commands on the previous LSB Email resource [source,C] ------- # crm_resource --meta --resource Email --set-parameter priority --property-value 100 # crm_resource --meta --resource Email --set-parameter multiple-active --property-value block ------- the resulting resource definition would be .An LSB resource with cluster options ===== [source,XML] ------- ------- ===== [[s-resource-defaults]] == Setting Global Defaults for Resource Options == To set a default value for a resource option, simply add it to the +rsc_defaults+ section with `crm_attribute`. Thus, [source,C] # crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false would prevent the cluster from starting or stopping any of the resources in the configuration (unless of course the individual resources were specifically enabled and had +is-managed+ set to +true+). == Instance Attributes == The scripts of some resource classes (LSB not being one of them) can be given parameters which determine how they behave and which instance of a service they control. If your resource agent supports parameters, you can add them with the `crm_resource` command. For instance [source,C] # crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4 would create an entry in the resource like this: .An example OCF resource with instance attributes ===== [source,XML] ------- ------- ===== For an OCF resource, the result would be an environment variable called +OCF_RESKEY_ip+ with a value of +1.2.3.4+. The list of instance attributes supported by an OCF script can be found by calling the resource script with the `meta-data` command. The output contains an XML description of all the supported attributes, their purpose and default values. .Displaying the metadata for the Dummy resource agent template ===== [source,C] ------- # export OCF_ROOT=/usr/lib/ocf # $OCF_ROOT/resource.d/pacemaker/Dummy meta-data ------- [source,XML] ------- 1.0 This is a Dummy Resource Agent. It does absolutely nothing except keep track of whether its running or not. Its purpose in life is for testing and to serve as a template for RA writers. Dummy resource agent Location to store the resource state in. State file Dummy attribute that can be changed to cause a reload Dummy attribute that can be changed to cause a reload ------- ===== == Resource Operations == indexterm:[Resource,Action] === Monitoring Resources for Failure === By default, the cluster will not ensure your resources are still healthy. To instruct the cluster to do this, you need to add a +monitor+ operation to the resource's definition. .An OCF resource with a recurring health check ===== [source,XML] ------- ------- ===== .Properties of an Operation [width="95%",cols="1m,6<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the action. Must be unique. indexterm:[id,Action Property] indexterm:[Action,Property,id] |name |The action to perform. Common values: +monitor+, +start+, +stop+ indexterm:[name,Action Property] indexterm:[Action,Property,name] |interval |How frequently (in seconds) to perform the operation. Default value: +0+, meaning never. indexterm:[interval,Action Property] indexterm:[Action,Property,interval] |timeout |How long to wait before declaring the action has failed. indexterm:[timeout,Action Property] indexterm:[Action,Property,timeout] |on-fail |The action to take if this action ever fails. Allowed values: * 'ignore' - Pretend the resource did not fail * 'block' - Don't perform any further operations on the resource * 'stop' - Stop the resource and do not start it elsewhere * 'restart' - Stop the resource and start it again (possibly on a different node) * 'fence' - STONITH the node on which the resource failed * 'standby' - Move _all_ resources away from the node on which the resource failed The default for the +stop+ operation is +fence+ when STONITH is enabled and +block+ otherwise. All other operations default to +restart+. indexterm:[on-fail,Action Property] indexterm:[Action,Property,on-fail] |enabled |If +false+, the operation is treated as if it does not exist. Allowed values: +true+, +false+ indexterm:[enabled,Action Property] indexterm:[Action,Property,enabled] |========================================================= [[s-operation-defaults]] === Setting Global Defaults for Operations === To set a default value for a operation option, simply add it to the +op_defaults+ section with `crm_attribute`. Thus, [source,C] # crm_attribute --type op_defaults --attr-name timeout --attr-value 20s would default each operation's +timeout+ to 20 seconds. If an operation's definition also includes a value for +timeout+, then that value would be used instead (for that operation only). ==== When Resources Take a Long Time to Start/Stop ==== There are a number of implicit operations that the cluster will always perform - +start+, +stop+ and a non-recurring +monitor+ operation (used at startup to check the resource isn't already active). If one of these is taking too long, then you can create an entry for them and simply specify a new value. .An OCF resource with custom timeouts for its implicit actions ===== [source,XML] ------- ------- ===== ==== Multiple Monitor Operations ==== Provided no two operations (for a single resource) have the same name and interval you can have as many monitor operations as you like. In this way you can do a superficial health check every minute and progressively more intense ones at higher intervals. To tell the resource agent what kind of check to perform, you need to provide each monitor with a different value for a common parameter. The OCF standard creates a special parameter called +OCF_CHECK_LEVEL+ for this purpose and dictates that it is _"made available to the resource agent without the normal +OCF_RESKEY+ prefix"_. Whatever name you choose, you can specify it by adding an +instance_attributes+ block to the op tag. Note that it is up to each resource agent to look for the parameter and decide how to use it. .An OCF resource with two recurring health checks, performing different levels of checks - specified via +OCF_CHECK_LEVEL+. ===== [source,XML] ------- ------- ===== ==== Disabling a Monitor Operation ==== The easiest way to stop a recurring monitor is to just delete it. However, there can be times when you only want to disable it temporarily. In such cases, simply add +enabled="false"+ to the operation's definition. .Example of an OCF resource with a disabled health check ===== [source,XML] ------- ------- ===== This can be achieved from the command-line by executing [source,C] # cibadmin -M -X '' Once you've done whatever you needed to do, you can then re-enable it with pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Rules.txt000066400000000000000000000434461217637305600240640ustar00rootroot00000000000000= Rules = //// We prefer [[ch-rules]], but older versions of asciidoc dont deal well with that construct for chapter headings //// anchor:ch-rules[Chapter 8, Rules] indexterm:[Resource,Constraint,Rule] Rules can be used to make your configuration more dynamic. One common example is to set one value for +resource-stickiness+ during working hours, to prevent resources from being moved back to their most preferred location, and another on weekends when no-one is around to notice an outage. Another use of rules might be to assign machines to different processing groups (using a node attribute) based on time and to then use that attribute when creating location constraints. Each rule can contain a number of expressions, date-expressions and even other rules. The results of the expressions are combined based on the rule's +boolean-op+ field to determine if the rule ultimately evaluates to +true+ or +false+. What happens next depends on the context in which the rule is being used. .Properties of a Rule [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |role |Limits the rule to apply only when the resource is in that role. Allowed values: _Started_, +Slave,+ and +Master+. NOTE: A rule with +role="Master"+ can not determine the initial location of a clone instance. It will only affect which of the active instances will be promoted. indexterm:[role,Constraint Rule] indexterm:[Constraint,Rule,role] |score |The score to apply if the rule evaluates to +true+. Limited to use in rules that are part of location constraints. indexterm:[score,Constraint Rule] indexterm:[Constraint,Rule,score] |score-attribute |The node attribute to look up and use as a score if the rule evaluates to +true+. Limited to use in rules that are part of location constraints. indexterm:[score-attribute,Constraint Rule] indexterm:[Constraint,Rule,score-attribute] |boolean-op |How to combine the result of multiple expression objects. Allowed values: _and_ and +or+. indexterm:[boolean-op,Constraint Rule] indexterm:[Constraint,Rule,boolean-op] |========================================================= == Node Attribute Expressions == indexterm:[Resource,Constraint,Attribute Expression] Expression objects are used to control a resource based on the attributes defined by a node or nodes. In addition to any attributes added by the administrator, each node has a built-in node attribute called +#uname+ that can also be used. .Properties of an Expression [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |value |User supplied value for comparison indexterm:[value,Constraint Expression] indexterm:[Constraint,Attribute Expression,value] |attribute |The node attribute to test indexterm:[attribute,Constraint Expression] indexterm:[Constraint,Attribute Expression,attribute] |type |Determines how the value(s) should be tested. Allowed values: _string_, +integer+, +version+ indexterm:[type,Constraint Expression] indexterm:[Constraint,Attribute Expression,type] |operation |The comparison to perform. Allowed values: * 'lt' - True if the node attribute's value is less than +value+ * 'gt' - True if the node attribute's value is greater than +value+ * 'lte' - True if the node attribute's value is less than or equal to +value+ * 'gte' - True if the node attribute's value is greater than or equal to +value+ * 'eq' - True if the node attribute's value is equal to +value+ * 'ne' - True if the node attribute's value is not equal to +value+ * 'defined' - True if the node has the named attribute * 'not_defined' - True if the node does not have the named attribute indexterm:[operation,Constraint Expression] indexterm:[Constraint,Attribute Expression,operation] |========================================================= == Time/Date Based Expressions == indexterm:[Time Based Expressions] indexterm:[Resource,Constraint,Date/Time Expression] As the name suggests, +date_expressions+ are used to control a resource or cluster option based on the current date/time. They can contain an optional +date_spec+ and/or +duration+ object depending on the context. .Properties of a Date Expression [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |start |A date/time conforming to the ISO8601 specification. indexterm:[start,Constraint Expression] indexterm:[Constraint,Date/Time Expression,start] |end |A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for +start+ and a +duration+. indexterm:[end,Constraint Expression] indexterm:[Constraint,Date/Time Expression,end] |operation |Compares the current date/time with the start and/or end date, depending on the context. Allowed values: * 'gt' - True if the current date/time is after +start+ * 'lt' - True if the current date/time is before +end+ * 'in-range' - True if the current date/time is after +start+ and before +end+ * 'date-spec' - performs a cron-like comparison to the current date/time indexterm:[operation,Constraint Expression] indexterm:[Constraint,Date/Time Expression,operation] |========================================================= [NOTE] ====== As these comparisons (except for +date_spec+) include the time, the +eq+, +neq+, +gte+ and +lte+ operators have not been implemented since they would only be valid for a single second. ====== === Date Specifications === indexterm:[Date Specification] indexterm:[Resource,Constraint,Date Specification] +date_spec+ objects are used to create cron-like expressions relating to time. Each field can contain a single number or a single range. Instead of defaulting to zero, any field not supplied is ignored. For example, +monthdays="1"+ matches the first day of every month and +hours="09-17"+ matches the hours between 9am and 5pm (inclusive). However, at this time one cannot specify +weekdays="1,2"+ or +weekdays="1-2,5-6"+ since they contain multiple ranges. Depending on demand, this may be implemented in a future release. .Properties of a Date Spec [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description |id |A unique name for the date indexterm:[id,Date Specification] indexterm:[Constraint,Date Specification,id] |hours |Allowed values: 0-23 indexterm:[hours,Date Specification] indexterm:[Constraint,Date Specification,hours] |monthdays |Allowed values: 0-31 (depending on month and year) indexterm:[monthdays,Date Specification] indexterm:[Constraint,Date Specification,monthdays] |weekdays |Allowed values: 1-7 (1=Monday, 7=Sunday) indexterm:[weekdays,Date Specification] indexterm:[Constraint,Date Specification,weekdays] |yeardays |Allowed values: 1-366 (depending on the year) indexterm:[yeardays,Date Specification] indexterm:[Constraint,Date Specification,yeardays] |months |Allowed values: 1-12 indexterm:[months,Date Specification] indexterm:[Constraint,Date Specification,months] |weeks |Allowed values: 1-53 (depending on weekyear) indexterm:[weeks,Date Specification] indexterm:[Constraint,Date Specification,weeks] |years |Year according the Gregorian calendar indexterm:[years,Date Specification] indexterm:[Constraint,Date Specification,years] |weekyears |May differ from Gregorian years; Eg. +2005-001 Ordinal+ is also +2005-01-01 Gregorian+ is also +2004-W53-6 Weekly+ indexterm:[weekyears,Date Specification] indexterm:[Constraint,Date Specification,weekyears] |moon |Allowed values: 0-7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added. indexterm:[moon,Date Specification] indexterm:[Constraint,Date Specification,moon] |========================================================= === Durations === indexterm:[Duration] indexterm:[Resource,Constraint,Duration] Durations are used to calculate a value for +end+ when one is not supplied to in_range operations. They contain the same fields as +date_spec+ objects but without the limitations (ie. you can have a duration of 19 months). Like +date_specs+, any field not supplied is ignored. == Sample Time Based Expressions == A small sample of how time based expressions can be used. //// On older versions of asciidoc, the [source] directive makes the title dissappear //// .True if now is any time in the year 2005 ==== [source,XML] ---- ---- ==== .Equivalent expression ==== [source,XML] ---- ---- ==== .9am-5pm, Mon-Friday ==== [source,XML] ------- ------- ==== Please note that the +16+ matches up to +16:59:59+, as the numeric value (hour) still matches! .9am-6pm, Mon-Friday, or all day saturday ==== [source,XML] ------- ------- ==== .9am-5pm or 9pm-12pm, Mon-Friday ==== [source,XML] ------- ------- ==== .Mondays in March 2005 ==== [source,XML] ------- ------- ==== [NOTE] ====== Because no time is specified, 00:00:00 is implied. This means that the range includes all of 2005-03-01 but none of 2005-04-01. You may wish to write +end="2005-03-31T23:59:59"+ to avoid confusion. ====== .A full moon on Friday the 13th ===== [source,XML] ------- ------- ===== == Using Rules to Determine Resource Location == indexterm:[Rule,Determine Resource Location] indexterm:[Resource,Location,Determine by Rules] If the constraint's outer-most rule evaluates to +false+, the cluster treats the constraint as if it was not there. When the rule evaluates to +true+, the node's preference for running the resource is updated with the score associated with the rule. If this sounds familiar, its because you have been using a simplified syntax for location constraint rules already. Consider the following location constraint: .Prevent myApacheRsc from running on c001n03 ===== [source,XML] ------- ------- ===== This constraint can be more verbosely written as: .Prevent myApacheRsc from running on c001n03 - expanded version ===== [source,XML] ------- ------- ===== The advantage of using the expanded form is that one can then add extra clauses to the rule, such as limiting the rule such that it only applies during certain times of the day or days of the week (this is discussed in subsequent sections). It also allows us to match on node properties other than its name. If we rated each machine's CPU power such that the cluster had the following nodes section: .A sample nodes section for use with score-attribute ===== [source,XML] ------- ------- ===== then we could prevent resources from running on underpowered machines with the rule [source,XML] ------- ------- === Using +score-attribute+ Instead of +score+ === When using +score-attribute+ instead of +score+, each node matched by the rule has its score adjusted differently, according to its value for the named node attribute. Thus, in the previous example, if a rule used +score-attribute="cpu_mips"+, +c001n01+ would have its preference to run the resource increased by +1234+ whereas +c001n02+ would have its preference increased by +5678+. == Using Rules to Control Resource Options == Often some cluster nodes will be different from their peers; sometimes these differences (the location of a binary or the names of network interfaces) require resources to be configured differently depending on the machine they're hosted on. By defining multiple +instance_attributes+ objects for the resource and adding a rule to each, we can easily handle these special cases. In the example below, +mySpecialRsc+ will use eth1 and port 9999 when run on +node1+, eth2 and port 8888 on +node2+ and default to eth0 and port 9999 for all other nodes. .Defining different resource options based on the node name ===== [source,XML] ------- ------- ===== The order in which +instance_attributes+ objects are evaluated is determined by their score (highest to lowest). If not supplied, score defaults to zero and objects with an equal score are processed in listed order. If the +instance_attributes+ object does not have a +rule+ or has a +rule+ that evaluates to +true+, then for any parameter the resource does not yet have a value for, the resource will use the parameter values defined by the +instance_attributes+ object. == Using Rules to Control Cluster Options == indexterm:[Rule,Controlling Cluster Options] indexterm:[Cluster,Setting Options with Rules] Controlling cluster options is achieved in much the same manner as specifying different resource options on different nodes. The difference is that because they are cluster options, one cannot (or should not, because they won't work) use attribute based expressions. The following example illustrates how to set a different +resource-stickiness+ value during and outside of work hours. This allows resources to automatically move back to their most preferred hosts, but at a time that (in theory) does not interfere with business activities. .Change +resource-stickiness+ during working hours ===== [source,XML] ------- ------- ===== [[s-rules-recheck]] == Ensuring Time Based Rules Take Effect == A Pacemaker cluster is an event driven system. As such, it won't recalculate the best place for resources to run in unless something (like a resource failure or configuration change) happens. This can mean that a location constraint that only allows resource X to run between 9am and 5pm is not enforced. If you rely on time based rules, it is essential that you set the +cluster-recheck-interval+ option. This tells the cluster to periodically recalculate the ideal state of the cluster. For example, if you set +cluster-recheck-interval=5m+, then sometime between 9:00 and 9:05 the cluster would notice that it needs to start resource X, and between 17:00 and 17:05 it would realize that X needed to be stopped. Note that the timing of the actual start and stop actions depends on what else needs to be performed first . pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Status.txt000066400000000000000000000316321217637305600242470ustar00rootroot00000000000000= Status - Here be dragons = Most users never need to understand the contents of the status section and can be happy with the output from `crm_mon`. However for those with a curious inclination, this section attempts to provide an overview of its contents. == Node Status == indexterm:[Node,Status] indexterm:[Status of a Node] In addition to the cluster's configuration, the CIB holds an up-to-date representation of each cluster node in the status section. .A bare-bones status entry for a healthy node called +cl-virt-1+ ====== [source,XML] ----- ----- ====== Users are highly recommended _not to modify_ any part of a node's state _directly_. The cluster will periodically regenerate the entire section from authoritative sources. So any changes should be done with the tools for those subsystems. .Authoritative Sources for State Information [width="95%",cols="5m,5<",options="header",align="center"] |========================================================= |Dataset |Authoritative Source |node_state fields |crmd |transient_attributes tag |attrd |lrm tag |lrmd |========================================================= The fields used in the +node_state+ objects are named as they are largely for historical reasons and are rooted in Pacemaker's origins as the Heartbeat resource manager. They have remained unchanged to preserve compatibility with older versions. .Node Status Fields [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description | id | indexterm:[id,Node Status] indexterm:[Node,Status,id] Unique identifier for the node. Corosync based clusters use the uname of the machine, Heartbeat clusters use a human-readable (but annoying) UUID. | uname | indexterm:[uname,Node Status] indexterm:[Node,Status,uname] The node's machine name (output from `uname -n`). | ha | indexterm:[ha,Node Status] indexterm:[Node,Status,ha] Flag specifying whether the cluster software is active on the node. Allowed values: +active+, +dead+. | in_ccm | indexterm:[in_ccm,Node Status] indexterm:[Node,Status,in_ccm] Flag for cluster membership; allowed values: +true+, +false+. | crmd | indexterm:[crmd,Node Status] indexterm:[Node,Status,crmd] Flag: is the crmd process active on the node? One of +online+, +offline+. | join | indexterm:[join,Node Status] indexterm:[Node,Status,join] Flag saying whether the node participates in hosting resources. Possible values: +down+, +pending+, +member+, +banned+. | expected | indexterm:[expected,Node Status] indexterm:[Node,Status,expected] Expected value for +join+. | crm-debug-origin | indexterm:[crm-debug-origin,Node Status] indexterm:[Node,Status,crm-debug-origin] Diagnostic indicator: the origin of the most recent change(s). |========================================================= The cluster uses these fields to determine if, at the node level, the node is healthy or is in a failed state and needs to be fenced. == Transient Node Attributes == Like regular <>, the name/value pairs listed here also help to describe the node. However they are forgotten by the cluster when the node goes offline. This can be useful, for instance, when you want a node to be in standby mode (not able to run resources) until the next reboot. In addition to any values the administrator sets, the cluster will also store information about failed resources here. .Example set of transient node attributes for node "cl-virt-1" ====== [source,XML] ----- ----- ====== In the above example, we can see that the +pingd:0+ resource has failed once, at +Mon Apr 6 11:22:22 2009+. footnote:[ You can use the standard +date+ command to print a human readable of any seconds-since-epoch value: # `date -d @number` ] We also see that the node is connected to three "pingd" peers and that all known resources have been checked for on this machine (+probe_complete+). == Operation History == indexterm:[Operation History] A node's resource history is held in the +lrm_resources+ tag (a child of the +lrm+ tag). The information stored here includes enough information for the cluster to stop the resource safely if it is removed from the +configuration+ section. Specifically the resource's +id+, +class+, +type+ and +provider+ are stored. .A record of the apcstonith resource ====== [source,XML] ====== Additionally, we store the last job for every combination of +resource, action+ and +interval+. The concatenation of the values in this tuple are used to create the id of the +lrm_rsc_op+ object. .Contents of an +lrm_rsc_op+ job [width="95%",cols="2m,5<",options="header",align="center"] |========================================================= |Field |Description | id | indexterm:[id,Action Status] indexterm:[Action,Status,id] Identifier for the job constructed from the resource's +id+, +operation+ and +interval+. | call-id | indexterm:[call-id,Action Status] indexterm:[Action,Status,call-id] The job's ticket number. Used as a sort key to determine the order in which the jobs were executed. | operation | indexterm:[operation,Action Status] indexterm:[Action,Status,operation] The action the resource agent was invoked with. | interval | indexterm:[interval,Action Status] indexterm:[Action,Status,interval] The frequency, in milliseconds, at which the operation will be repeated. A one-off job is indicated by 0. | op-status | indexterm:[op-status,Action Status] indexterm:[Action,Status,op-status] The job's status. Generally this will be either 0 (done) or -1 (pending). Rarely used in favor of +rc-code+. | rc-code | indexterm:[rc-code,Action Status] indexterm:[Action,Status,rc-code] The job's result. Refer to <> for details on what the values here mean and how they are interpreted. | last-run | indexterm:[last-run,Action Status] indexterm:[Action,Status,last-run] Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job was executed. | last-rc-change | indexterm:[last-rc-change,Action Status] indexterm:[Action,Status,last-rc-change] Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job first returned the current value of +rc-code+. | exec-time | indexterm:[exec-time,Action Status] indexterm:[Action,Status,exec-time] Diagnostic indicator. Time, in milliseconds, that the job was running for. | queue-time | indexterm:[queue-time,Action Status] indexterm:[Action,Status,queue-time] Diagnostic indicator. Time, in seconds, that the job was queued for in the LRMd. | crm_feature_set | indexterm:[crm_feature_set,Action Status] indexterm:[Action,Status,crm_feature_set] The version which this job description conforms to. Used when processing +op-digest+. | transition-key | indexterm:[transition-key,Action Status] indexterm:[Action,Status,transition-key] A concatenation of the job's graph action number, the graph number, the expected result and the UUID of the crmd instance that scheduled it. This is used to construct +transition-magic+ (below). | transition-magic | indexterm:[transition-magic,Action Status] indexterm:[Action,Status,transition-magic] A concatenation of the job's +op-status+, +rc-code+ and +transition-key+. Guaranteed to be unique for the life of the cluster (which ensures it is part of CIB update notifications) and contains all the information needed for the crmd to correctly analyze and process the completed job. Most importantly, the decomposed elements tell the crmd if the job entry was expected and whether it failed. | op-digest | indexterm:[op-digest,Action Status] indexterm:[Action,Status,op-digest] An MD5 sum representing the parameters passed to the job. Used to detect changes to the configuration, to restart resources if necessary. | crm-debug-origin | indexterm:[crm-debug-origin,Action Status] indexterm:[Action,Status,crm-debug-origin] Diagnostic indicator. The origin of the current values. |========================================================= === Simple Example === .A monitor operation (determines current state of the apcstonith resource) ====== [source,XML] ----- ----- ====== In the above example, the job is a non-recurring monitor operation often referred to as a "probe" for the +apcstonith+ resource. The cluster schedules probes for every configured resource on when a new node starts, in order to determine the resource's current state before it takes any further action. From the +transition-key+, we can see that this was the 22nd action of the 2nd graph produced by this instance of the crmd (2668bbeb-06d5-40f9-936d-24cb7f87006a). The third field of the +transition-key+ contains a 7, this indicates that the job expects to find the resource inactive. By looking at the +rc-code+ property, we see that this was the case. As that is the only job recorded for this node we can conclude that the cluster started the resource elsewhere. === Complex Resource History Example === .Resource history of a pingd clone with multiple jobs ====== [source,XML] ----- ----- ====== When more than one job record exists, it is important to first sort them by +call-id+ before interpreting them. Once sorted, the above example can be summarized as: . A non-recurring monitor operation returning 7 (not running), with a +call-id+ of 3 . A stop operation returning 0 (success), with a +call-id+ of 32 . A start operation returning 0 (success), with a +call-id+ of 33 . A recurring monitor returning 0 (success), with a +call-id+ of 34 The cluster processes each job record to build up a picture of the resource's state. After the first and second entries, it is considered stopped and after the third it considered active. Based on the last operation, we can tell that the resource is currently active. Additionally, from the presence of a +stop+ operation with a lower +call-id+ than that of the +start+ operation, we can conclude that the resource has been restarted. Specifically this occurred as part of actions 11 and 31 of transition 11 from the crmd instance with the key +2668bbeb...+. This information can be helpful for locating the relevant section of the logs when looking for the source of a failure. pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Stonith.txt000066400000000000000000001110041217637305600244040ustar00rootroot00000000000000= Configure STONITH = //// We prefer [[ch-stonith]], but older versions of asciidoc dont deal well with that construct for chapter headings //// anchor:ch-stonith[Chapter 13, STONITH] indexterm:[STONITH, Configuration] == What Is STONITH == STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access. Just because a node is unresponsive, this doesn't mean it isn't accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node. STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere. == What STONITH Device Should You Use == It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one. The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault. Likewise, any device that relies on the machine being active (such as SSH-based "devices" used during testing) are inappropriate. == Differences of STONITH Resources == Stonith resources are somewhat special in Pacemaker. In previous versions, only "running" resources could be used by Pacemaker for fencing. This requirement has been relaxed to allow other parts of the cluster (such as resources like DRBD) to reliably initiate fencing. footnote:[Fencing a node while Pacemaker was moving stonith resources around would otherwise fail] Now all nodes have access to their definitions and instantiate them on-the-fly when needed, however preference is given to 'verified' instances which are the ones the cluster has explicitly started. In the case of a cluster split, the partition with a verified instance will have a slight advantage as stonith-ng in the other partition will have to hear from all its current peers before choosing a node to perform the fencing. [NOTE] =========== To disable a fencing device/resource, 'target-role' can be set as you would for a normal resource. =========== [NOTE] =========== To prevent a specific node from using a fencing device, location constraints will work as expected. =========== [IMPORTANT] =========== Currently there is a limitation that fencing resources may only have a one set of meta-attributes and one set of instance-attributes. This can be revisited if it becomes a significant limitation for people. =========== .Properties of Fencing Devices [width="95%",cols="1m,1m,1m,5<",options="header",align="center"] |========================================================= |Field |Type |Default |Description |stonith-timeout |time |60s |How long to wait for the STONITH action to complete per a stonith device. Overrides the stonith-timeout cluster property indexterm:[stonith-timeout,Fencing] indexterm:[Fencing,Property,stonith-timeout] |priority |integer |0 |The priority of the stonith resource. Devices are tried in order of highest priority to lowest. indexterm:[priority,Fencing] indexterm:[Fencing,Property,priority] |pcmk_host_argument |string |port |Advanced use only: An alternate parameter to supply instead of 'port' Some devices do not support the standard 'port' parameter or may provide additional ones. Use this to specify an alternate, device-specific, parameter that should indicate the machine to be fenced. A value of 'none' can be used to tell the cluster not to supply any additional parameters. indexterm:[pcmk_host_argument,Fencing] indexterm:[Fencing,Property,pcmk_host_argument] |pcmk_host_map |string | |A mapping of host names to ports numbers for devices that do not support host names. Eg. node1:1;node2:2,3 would tell the cluster to use port 1 for node1 and ports 2 and 3 for node2 indexterm:[pcmk_host_map,Fencing] indexterm:[Fencing,Property,pcmk_host_map] |pcmk_host_list |string | |A list of machines controlled by this device (Optional unless pcmk_host_check=static-list). indexterm:[pcmk_host_list,Fencing] indexterm:[Fencing,Property,pcmk_host_list] |pcmk_host_check |string |dynamic-list |How to determin which machines are controlled by the device. Allowed values: dynamic-list (query the device), static-list (check the pcmk_host_list attribute), none (assume every device can fence every machine) indexterm:[pcmk_host_check,Fencing] indexterm:[Fencing,Property,pcmk_host_check] |pcmk_reboot_action |string |reboot |Advanced use only: An alternate command to run instead of 'reboot' Some devices do not support the standard commands or may provide additional ones. Use this to specify an alternate, device-specific, command that implements the 'reboot' action. indexterm:[pcmk_reboot_action,Fencing] indexterm:[Fencing,Property,pcmk_reboot_action] |pcmk_reboot_timeout |time |60s |Advanced use only: Specify an alternate timeout to use for reboot actions instead of stonith-timeout Some devices need much more/less time to complete than normal. Use this to specify an alternate, device-specific, timeout for 'reboot' actions. indexterm:[pcmk_reboot_timeout,Fencing] indexterm:[Fencing,Property,pcmk_reboot_timeout] |pcmk_reboot_retries |integer |2 |Advanced use only: The maximum number of times to retry the 'reboot' command within the timeout period Some devices do not support multiple connections. Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining. Use this option to alter the number of times Pacemaker retries 'reboot' actions before giving up. indexterm:[pcmk_reboot_retries,Fencing] indexterm:[Fencing,Property,pcmk_reboot_retries] |pcmk_off_action |string |off |Advanced use only: An alternate command to run instead of 'off' Some devices do not support the standard commands or may provide additional ones. Use this to specify an alternate, device-specific, command that implements the 'off' action. indexterm:[pcmk_off_action,Fencing] indexterm:[Fencing,Property,pcmk_off_action] |pcmk_off_timeout |time |60s |Advanced use only: Specify an alternate timeout to use for off actions instead of stonith-timeout Some devices need much more/less time to complete than normal. Use this to specify an alternate, device-specific, timeout for 'off' actions. indexterm:[pcmk_off_timeout,Fencing] indexterm:[Fencing,Property,pcmk_off_timeout] |pcmk_off_retries |integer |2 |Advanced use only: The maximum number of times to retry the 'off' command within the timeout period Some devices do not support multiple connections. Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining. Use this option to alter the number of times Pacemaker retries 'off' actions before giving up. indexterm:[pcmk_off_retries,Fencing] indexterm:[Fencing,Property,pcmk_off_retries] |pcmk_list_action |string |list |Advanced use only: An alternate command to run instead of 'list' Some devices do not support the standard commands or may provide additional ones. Use this to specify an alternate, device-specific, command that implements the 'list' action. indexterm:[pcmk_list_action,Fencing] indexterm:[Fencing,Property,pcmk_list_action] |pcmk_list_timeout |time |60s |Advanced use only: Specify an alternate timeout to use for list actions instead of stonith-timeout Some devices need much more/less time to complete than normal. Use this to specify an alternate, device-specific, timeout for 'list' actions. indexterm:[pcmk_list_timeout,Fencing] indexterm:[Fencing,Property,pcmk_list_timeout] |pcmk_list_retries |integer |2 |Advanced use only: The maximum number of times to retry the 'list' command within the timeout period Some devices do not support multiple connections. Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining. Use this option to alter the number of times Pacemaker retries 'list' actions before giving up. indexterm:[pcmk_list_retries,Fencing] indexterm:[Fencing,Property,pcmk_list_retries] |pcmk_monitor_action |string |monitor |Advanced use only: An alternate command to run instead of 'monitor' Some devices do not support the standard commands or may provide additional ones. Use this to specify an alternate, device-specific, command that implements the 'monitor' action. indexterm:[pcmk_monitor_action,Fencing] indexterm:[Fencing,Property,pcmk_monitor_action] |pcmk_monitor_timeout |time |60s |Advanced use only: Specify an alternate timeout to use for monitor actions instead of stonith-timeout Some devices need much more/less time to complete than normal. Use this to specify an alternate, device-specific, timeout for 'monitor' actions. indexterm:[pcmk_monitor_timeout,Fencing] indexterm:[Fencing,Property,pcmk_monitor_timeout] |pcmk_monitor_retries |integer |2 |Advanced use only: The maximum number of times to retry the 'monitor' command within the timeout period Some devices do not support multiple connections. Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining. Use this option to alter the number of times Pacemaker retries 'monitor' actions before giving up. indexterm:[pcmk_monitor_retries,Fencing] indexterm:[Fencing,Property,pcmk_monitor_retries] |pcmk_status_action |string |status |Advanced use only: An alternate command to run instead of 'status' Some devices do not support the standard commands or may provide additional ones. Use this to specify an alternate, device-specific, command that implements the 'status' action. indexterm:[pcmk_status_action,Fencing] indexterm:[Fencing,Property,pcmk_status_action] |pcmk_status_timeout |time |60s |Advanced use only: Specify an alternate timeout to use for status actions instead of stonith-timeout Some devices need much more/less time to complete than normal. Use this to specify an alternate, device-specific, timeout for 'status' actions. indexterm:[pcmk_status_timeout,Fencing] indexterm:[Fencing,Property,pcmk_status_timeout] |pcmk_status_retries |integer |2 |Advanced use only: The maximum number of times to retry the 'status' command within the timeout period Some devices do not support multiple connections. Operations may 'fail' if the device is busy with another task so Pacemaker will automatically retry the operation, if there is time remaining. Use this option to alter the number of times Pacemaker retries 'status' actions before giving up. indexterm:[pcmk_status_retries,Fencing] indexterm:[Fencing,Property,pcmk_status_retries] |========================================================= == Configuring STONITH == [NOTE] =========== Both configuration shells include functionality to simplify the process below, particularly the step for deciding which parameters are required. However since this document deals only with core components, you should refer to the Stonith chapter of +Clusters from Scratch+ for those details. =========== . Find the correct driver: +stonith_admin --list-installed+ . Find the required parameters associated with the device: +stonith_admin --metadata --agent + . Create a file called +stonith.xml+ containing a primitive resource with a class of 'stonith', a type of and a parameter for each of the values returned in step 2. . If the device does not know how to fence nodes based on their uname, you may also need to set the special +pcmk_host_map+ parameter. See +man stonithd+ for details. . If the device does not support the list command, you may also need to set the special +pcmk_host_list+ and/or +pcmk_host_check+ parameters. See +man stonithd+ for details. . If the device does not expect the victim to be specified with the port parameter, you may also need to set the special +pcmk_host_argument+ parameter. See +man stonithd+ for details. . Upload it into the CIB using cibadmin: +cibadmin -C -o resources --xml-file stonith.xml+ . Set stonith-enabled to true. +crm_attribute -t crm_config -n stonith-enabled -v true+ . Once the stonith resource is running, you can test it by executing: +stonith_admin --reboot nodename+. Although you might want to stop the cluster on that machine first. === Example === Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters .Obtaining a list of STONITH Parameters [source,C] ---- # stonith_admin --metadata -a fence_ipmilan ---- [source,XML] ---- fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/). To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4) IPMI Lan Auth type (md5, password, or none) IPMI Lan IP to talk to Password (if required) to control power on IPMI device Script to retrieve password (if required) Use Lanplus Username/Login (if required) to control power on IPMI device Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata Timeout (sec) for IPMI operation Ciphersuite to use (same as ipmitool -C parameter) Method to fence (onoff or cycle) Wait X seconds after on/off operation Wait X seconds before fencing is started Verbose mode ---- from which we would create a STONITH resource fragment that might look like this: .Sample STONITH Resource [source,XML] ---- ---- And finally, since we disabled it earlier, we need to re-enable STONITH. [source,Bash] ---- # crm_attribute -t crm_config -n stonith-enabled -v true ---- == Advanced Fencing Configurations == Some people consider that having one fencing device is a single point of failure footnote:[Not true, since a node or resource must fail before fencing even has a chance to], others prefer removing the node from the storage and network instead of turning it off. Whatever the reason, Pacemaker supports fencing nodes with multiple devices through a feature called fencing topologies. Simply create the individual devices as you normally would and then define one or more fencing levels in the fencing-topology section in the configuration. * Each level is attempted in +ascending index+ order * If a device fails, +processing terminates+ for the current level. No further devices in that level are exercised and the next level is attempted instead. * If the operation succeeds for all the listed devices in a level, the level is deemed to have passed * The operation is finished +when a level has passed+ (success), or all levels have been attempted (failed) * If the operation failed, the next step is determined by the Policy Engine and/or crmd. Some possible uses of topologies include: * try poison-pill and fail back to power * try disk and network, and fall back to power if either fails * initiate a kdump and then poweroff the node .Properties of Fencing Levels [width="95%",cols="1m,6<",options="header",align="center"] |========================================================= |Field |Description |id |Your name for the level indexterm:[id,fencing-level] indexterm:[Fencing,fencing-level,id] |target |The node to which this level applies indexterm:[target,fencing-level] indexterm:[Fencing,fencing-level,target] |index |The order in which to attempt the levels. Levels are attempted in +ascending index+ order +until one succeeds+. indexterm:[index,fencing-level] indexterm:[Fencing,fencing-level,index] |devices |A comma separated list of devices for which the indexterm:[devices,fencing-level] indexterm:[Fencing,fencing-level,devices] |========================================================= === Example use of Fencing Topologies === [source,XML] ---- ... ... ---- === Example use of advanced Fencing Topologies: dual layer and dual devices === The following example illustrates an advanced use of +fencing_topology+ in a cluster with the following properties: * 3 nodes (2 active prod-mysql nodes, 1 prod_mysql-rep in standby for quorum purposes) * the active nodes have an IPMI-controlled power board reached at 10.10.10.1 and 10.10.10.2 * the active nodes also have two independant PSUs (Power Supplu Units) connected to two independant PDUs (Power Distribution Unit) reached at 10.20.1.1 (port 10 and port 11) and 10.20.2.1 (port 10 and port 11) * the first fencing method uses the +fence_ipmi+ agent * the second fencing method uses the +fence_apc_snmp+ agent targetting 2 fencing devices (one per PSU, either port 10 or 11) * fencing is only implemented for the active nodes and has location constraints * fencing topology is set to try IPMI fencing first then default to a "sure-kill" dual PDU fencing In a normal failure scenario, STONITH will first select +fence_ipmi+ to try and kill the faulty node. Using a +fencing_topology+, if that first method fails, STONITH will then move on to selecting +fence_apc_snmp+ twice: * once for the first PDU * again for the second PDU The fence action is considered successful only if both PDUs report the required status. If any of them fails, STONITH loops back to the first fencing method, +fence_ipmi+, and so on until the node is fenced or fencing action is cancelled. .First fencing method: single IPMI device Each cluster node has it own dedicated IPMI channel that can be called for fencing using the following primitives: [source,XML] ---- ---- .Second fencing method: dual PDU devices Each cluster node also has two distinct power channels controlled by two distinct PDUs. That means a total of 4 fencing devices configured as follows: - Node 1, PDU 1, PSU 1 @ port 10 - Node 1, PDU 2, PSU 2 @ port 10 - Node 2, PDU 1, PSU 1 @ port 11 - Node 2, PDU 2, PSU 2 @ port 11 The matching fencing agents are configured as follows: [source,XML] ---- ---- .Location Constraints To prevent STONITH from running a fencing agent on the very same node it is supposed to fence, constraints are placed on all the fencing primitives: [source,XML] ---- ---- .Fencing topology Now that all the fencing resources are defined, it's time to create the right topology. We want to first fence using IPMI and if that does not work, fence both PDUs to effectively and surely kill the node. [source,XML] ---- ---- Please note, in +fencing_topology+, the lower index value determines the priority of the first fencing method. .Final configuration Put together, the configuration looks like this: [source,XML] ---- ... ... ---- pacemaker-master/doc/Pacemaker_Explained/en-US/Ch-Utilization.txt000066400000000000000000000210671217637305600253000ustar00rootroot00000000000000= Utilization and Placement Strategy = == Background == Pacemaker decides where to place a resource according to the resource allocation scores on every node. The resource will be allocated to the node where the resource has the highest score. If the resource allocation scores on all the nodes are equal, by the `default` placement strategy, Pacemaker will choose a node with the least number of allocated resources for balancing the load. If the number of resources on each node is equal, the first eligible node listed in cib will be chosen to run the resource. Though resources are different. They may consume different amounts of the capacities of the nodes. Actually, we cannot ideally balance the load just according to the number of resources allocated to a node. Besides, if resources are placed such that their combined requirements exceed the provided capacity, they may fail to start completely or run with degraded performance. To take these into account, Pacemaker allows you to specify the following configurations: . The `capacity` a certain `node provides`. . The `capacity` a certain `resource requires`. . An overall `strategy` for placement of resources. == Utilization attributes == To configure the capacity a node provides and the resource's requirements, use `utilization` attributes. You can name the `utilization` attributes according to your preferences and define as many `name/value` pairs as your configuration needs. However, the attribute's values must be `integers`. First, specify the capacities the nodes provide: [source,XML] ---- ---- Then, specify the capacities the resources require: [source,XML] ---- ---- A node is considered eligible for a resource if it has sufficient free capacity to satisfy the resource's requirements. The nature of the required or provided capacities is completely irrelevant for Pacemaker, it just makes sure that all capacity requirements of a resource are satisfied before placing a resource to a node. == Placement Strategy == After you have configured the capacities your nodes provide and the capacities your resources require, you need to set the `placement-strategy` in the global cluster options, otherwise the capacity configurations have `no effect`. Four values are available for the `placement-strategy`: `default`:: Utilization values are not taken into account at all, per default. Resources are allocated according to allocation scores. If scores are equal, resources are evenly distributed across nodes. `utilization`:: Utilization values are taken into account when deciding whether a node is considered eligible if it has sufficient free capacity to satisfy the resource's requirements. However, load-balancing is still done based on the number of resources allocated to a node. `balanced`:: Utilization values are taken into account when deciding whether a node is eligible to serve a resource; an attempt is made to spread the resources evenly, optimizing resource performance. `minimal`:: Utilization values are taken into account when deciding whether a node is eligible to serve a resource; an attempt is made to concentrate the resources on as few nodes as possible, thereby enabling possible power savings on the remaining nodes. Set `placement-strategy` with `crm_attribute`: [source,C] # crm_attribute --attr-name placement-strategy --attr-value balanced Now Pacemaker will ensure the load from your resources will be distributed evenly throughout the cluster - without the need for convoluted sets of colocation constraints. == Allocation Details == === Which node is preferred to be chosen to get consumed first on allocating resources? === - The node that is most healthy (which has the highest node weight) gets consumed first. - If their weights are equal: * If `placement-strategy="default|utilization"`, the node that has the least number of allocated resources gets consumed first. ** If their numbers of allocated resources are equal, the first eligible node listed in cib gets consumed first. * If `placement-strategy="balanced"`, the node that has more free capacity gets consumed first. ** If the free capacities of the nodes are equal, the node that has the least number of allocated resources gets consumed first. *** If their numbers of allocated resources are equal, the first eligible node listed in cib gets consumed first. * If `placement-strategy="minimal"`, the first eligible node listed in cib gets consumed first. ==== Which node has more free capacity? ==== This will be quite clear if we only define one type of `capacity`. While if we define multiple types of `capacity`, for example: - If `nodeA` has more free `cpus`, `nodeB` has more free `memory`, their free capacities are equal. - If `nodeA` has more free `cpus`, while `nodeB` has more free `memory` and `storage`, `nodeB` has more free capacity. === Which resource is preferred to be chosen to get assigned first? === - The resource that has the highest priority gets allocated first. - If their priorities are equal, check if they are already running. The resource that has the highest score on the node where it's running gets allocated first (to prevent resource shuffling). - If the scores above are equal or they are not running, the resource has the highest score on the preferred node gets allocated first. - If the scores above are equal, the first runnable resource listed in cib gets allocated first. == Limitations == This type of problem Pacemaker is dealing with here is known as the http://en.wikipedia.org/wiki/Knapsack_problem[knapsack problem] and falls into the http://en.wikipedia.org/wiki/NP-complete[NP-complete] category of computer science problems - which is fancy way of saying "it takes a really long time to solve". Clearly in a HA cluster, it's not acceptable to spend minutes, let alone hours or days, finding an optional solution while services remain unavailable. So instead of trying to solve the problem completely, Pacemaker uses a 'best effort' algorithm for determining which node should host a particular service. This means it arrives at a solution much faster than traditional linear programming algorithms, but by doing so at the price of leaving some services stopped. In the contrived example above: - `rsc-small` would be allocated to `node1` - `rsc-medium` would be allocated to `node2` - `rsc-large` would remain inactive Which is not ideal. == Strategies for Dealing with the Limitations == - Ensure you have sufficient physical capacity. It might sounds obvious, but if the physical capacity of your nodes is (close to) maxed out by the cluster under normal conditions, then failover isn't going to go well. Even without the Utilization feature, you'll start hitting timeouts and getting secondary failures'. - Build some buffer into the capabilities advertised by the nodes. Advertise slightly more resources than we physically have on the (usually valid) assumption that a resource will not use 100% of the configured number of cpu/memory/etc `all` the time. This practice is also known as 'over commit'. - Specify resource priorities. If the cluster is going to sacrifice services, it should be the ones you care (comparatively) about the least. Ensure that resource priorities are properly set so that your most important resources are scheduled first. pacemaker-master/doc/Pacemaker_Explained/en-US/NOTES000066400000000000000000000032421217637305600225020ustar00rootroot00000000000000 That's a "+", not a hyphen: Key combinations can be distinguished from keycaps by the hyphen connecting each part of a key combination. For example: Press Enter to execute the command. Press Ctrl+Alt+F2 to switch to the first virtual terminal. Press Ctrl+Alt+F1 to return to your X-Windows session. doesn't apply here: If source code is discussed, class names, methods, functions, v including application names; dialog box text; labeled buttons; check-box and radio button labels; menu titles and sub-menu titles. 1.2 terminal output has page-break 2.3 editing via VI isn't that racy? Are concurrent changes detected? why sometimes and sometimes
? example 2.2 has title at top, different to the figures 2.8 header slightly too long, line broken some are in , some in ... I'd like the latter more, or perhaps in a . Indentation makes whitespace at start of lines ... remove? Chapter 3 ========= - table 3.3 "Properties maintained by the Cluster" incomplete (crm-feature-set, ...) 4.4.2 structure different from 4.4.1 ... numbered lists 5.3 Notes have next content overlaid ex 5.6: 1.0 ???? perhaps use 10.20.30.40 instead of the 1.2.3.4 example IP address? 6.5 images/resource-set.png missing, "images/two-sets.png" too; images/three-sets; "images/three-sets-complex.png" Ch 7 missing? Remove Ex9.9? collocate or colocate? Eg. in C.1: Multi-dimensional colocation and ordering constraints. See Section 6.5, “Ordering Sets of Resources” and Section 6.6, “Collocating Sets of Resources” Ap-Debug.xml not used? alias for primary? pacemaker-master/doc/Pacemaker_Explained/en-US/Pacemaker_Explained.ent000066400000000000000000000001751217637305600262620ustar00rootroot00000000000000 pacemaker-master/doc/Pacemaker_Explained/en-US/Pacemaker_Explained.xml000066400000000000000000000062071217637305600262760ustar00rootroot00000000000000 Further Reading Project Website Project Documentation A comprehensive guide to cluster commands has been written by Novell Heartbeat configuration: Corosync Configuration: pacemaker-master/doc/Pacemaker_Explained/en-US/Preface.xml000066400000000000000000000011251217637305600237540ustar00rootroot00000000000000 Preface pacemaker-master/doc/Pacemaker_Explained/en-US/Revision_History.xml000066400000000000000000000037611217637305600257360ustar00rootroot00000000000000 Revision History 1-0 19 Oct 2009 AndrewBeekhofandrew@beekhof.net Import from Pages.app 2-0 26 Oct 2009 AndrewBeekhofandrew@beekhof.net Cleanup and reformatting of docbook xml complete 3-0 Tue Nov 12 2009 AndrewBeekhofandrew@beekhof.net Split book into chapters and pass validation Re-organize book for use with Publican 4-0 Mon Oct 8 2012 AndrewBeekhofandrew@beekhof.net Converted to asciidoc (which is converted to docbook for use with Publican) pacemaker-master/doc/Pacemaker_Explained/en-US/images/000077500000000000000000000000001217637305600231335ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Explained/en-US/images/Policy-Engine-big.dot000066400000000000000000000145311217637305600270500ustar00rootroot00000000000000digraph "g" { "Cancel drbd0:0_monitor_10000 frigg" -> "drbd0:0_demote_0 frigg" [ style = bold] "Cancel drbd0:0_monitor_10000 frigg" [ style=bold color="green" fontcolor="black" ] "Cancel drbd0:1_monitor_12000 odin" -> "drbd0:1_promote_0 odin" [ style = bold] "Cancel drbd0:1_monitor_12000 odin" [ style=bold color="green" fontcolor="black" ] 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"ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "drbd0:0_post_notify_promote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_pre_notify_demote_0 frigg" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "drbd0:0_pre_notify_demote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:0_pre_notify_promote_0 frigg" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "drbd0:0_pre_notify_promote_0 frigg" [ style=bold color="green" fontcolor="black" ] "drbd0:1_monitor_10000 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_post_notify_demote_0 odin" -> "ms_drbd_confirmed-post_notify_demoted_0" [ style = bold] "drbd0:1_post_notify_demote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_post_notify_promote_0 odin" -> "ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "drbd0:1_post_notify_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_pre_notify_demote_0 odin" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "drbd0:1_pre_notify_demote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_pre_notify_promote_0 odin" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "drbd0:1_pre_notify_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "drbd0:1_promote_0 odin" -> "drbd0:1_monitor_10000 odin" [ style = bold] "drbd0:1_promote_0 odin" -> "ms_drbd_promoted_0" [ style = bold] "drbd0:1_promote_0 odin" [ style=bold color="green" fontcolor="black" ] "group_running_0" [ style=bold color="green" fontcolor="orange" ] "group_start_0" -> "IPaddr0_start_0 odin" [ style = bold] "group_start_0" -> "MailTo_start_0 odin" [ style = bold] "group_start_0" -> "group_running_0" [ style = bold] "group_start_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-post_notify_demoted_0" -> "drbd0:0_monitor_12000 frigg" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" -> "drbd0:1_monitor_10000 odin" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" -> "ms_drbd_pre_notify_promote_0" [ style = bold] "ms_drbd_confirmed-post_notify_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-post_notify_promoted_0" -> "drbd0:0_monitor_12000 frigg" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" -> "drbd0:1_monitor_10000 odin" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" -> "group_start_0" [ style = bold] "ms_drbd_confirmed-post_notify_promoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-pre_notify_demote_0" -> "ms_drbd_demote_0" [ style = bold] "ms_drbd_confirmed-pre_notify_demote_0" -> "ms_drbd_post_notify_demoted_0" [ style = bold] "ms_drbd_confirmed-pre_notify_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_confirmed-pre_notify_promote_0" -> "ms_drbd_post_notify_promoted_0" [ style = bold] "ms_drbd_confirmed-pre_notify_promote_0" -> "ms_drbd_promote_0" [ style = bold] "ms_drbd_confirmed-pre_notify_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_demote_0" -> "drbd0:0_demote_0 frigg" [ style = bold] "ms_drbd_demote_0" -> "ms_drbd_demoted_0" [ style = bold] "ms_drbd_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_demoted_0" -> "ms_drbd_post_notify_demoted_0" [ style = bold] "ms_drbd_demoted_0" -> "ms_drbd_promote_0" [ style = bold] "ms_drbd_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_post_notify_demoted_0" -> "drbd0:0_post_notify_demote_0 frigg" [ style = bold] "ms_drbd_post_notify_demoted_0" -> "drbd0:1_post_notify_demote_0 odin" [ style = bold] "ms_drbd_post_notify_demoted_0" -> "ms_drbd_confirmed-post_notify_demoted_0" [ style = bold] "ms_drbd_post_notify_demoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_post_notify_promoted_0" -> "drbd0:0_post_notify_promote_0 frigg" [ style = bold] "ms_drbd_post_notify_promoted_0" -> "drbd0:1_post_notify_promote_0 odin" [ style = bold] "ms_drbd_post_notify_promoted_0" -> "ms_drbd_confirmed-post_notify_promoted_0" [ style = bold] "ms_drbd_post_notify_promoted_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_pre_notify_demote_0" -> "drbd0:0_pre_notify_demote_0 frigg" [ style = bold] "ms_drbd_pre_notify_demote_0" -> "drbd0:1_pre_notify_demote_0 odin" [ style = bold] "ms_drbd_pre_notify_demote_0" -> "ms_drbd_confirmed-pre_notify_demote_0" [ style = bold] "ms_drbd_pre_notify_demote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_pre_notify_promote_0" -> "drbd0:0_pre_notify_promote_0 frigg" [ style = bold] "ms_drbd_pre_notify_promote_0" -> "drbd0:1_pre_notify_promote_0 odin" [ style = bold] "ms_drbd_pre_notify_promote_0" -> "ms_drbd_confirmed-pre_notify_promote_0" [ style = bold] "ms_drbd_pre_notify_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_promote_0" -> "drbd0:1_promote_0 odin" [ style = bold] "ms_drbd_promote_0" [ style=bold color="green" fontcolor="orange" ] "ms_drbd_promoted_0" -> "group_start_0" [ style = bold] "ms_drbd_promoted_0" -> "ms_drbd_post_notify_promoted_0" [ style = bold] "ms_drbd_promoted_0" [ style=bold color="green" fontcolor="orange" ] } pacemaker-master/doc/Pacemaker_Explained/en-US/images/Policy-Engine-big.svg000066400000000000000000001011371217637305600270600ustar00rootroot00000000000000 g Cancel drbd0:0_monitor_10000 frigg Cancel drbd0:0_monitor_10000 frigg drbd0:0_demote_0 frigg drbd0:0_demote_0 frigg Cancel drbd0:0_monitor_10000 frigg->drbd0:0_demote_0 frigg drbd0:0_monitor_12000 frigg drbd0:0_monitor_12000 frigg drbd0:0_demote_0 frigg->drbd0:0_monitor_12000 frigg ms_drbd_demoted_0 ms_drbd_demoted_0 drbd0:0_demote_0 frigg->ms_drbd_demoted_0 Cancel drbd0:1_monitor_12000 odin Cancel drbd0:1_monitor_12000 odin drbd0:1_promote_0 odin drbd0:1_promote_0 odin Cancel drbd0:1_monitor_12000 odin->drbd0:1_promote_0 odin drbd0:1_monitor_10000 odin drbd0:1_monitor_10000 odin drbd0:1_promote_0 odin->drbd0:1_monitor_10000 odin ms_drbd_promoted_0 ms_drbd_promoted_0 drbd0:1_promote_0 odin->ms_drbd_promoted_0 IPaddr0_monitor_5000 odin IPaddr0_monitor_5000 odin IPaddr0_start_0 odin IPaddr0_start_0 odin IPaddr0_start_0 odin->IPaddr0_monitor_5000 odin MailTo_start_0 odin MailTo_start_0 odin IPaddr0_start_0 odin->MailTo_start_0 odin group_running_0 group_running_0 IPaddr0_start_0 odin->group_running_0 MailTo_start_0 odin->group_running_0 ms_drbd_post_notify_demoted_0 ms_drbd_post_notify_demoted_0 ms_drbd_demoted_0->ms_drbd_post_notify_demoted_0 ms_drbd_promote_0 ms_drbd_promote_0 ms_drbd_demoted_0->ms_drbd_promote_0 drbd0:0_post_notify_demote_0 frigg drbd0:0_post_notify_demote_0 frigg ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_confirmed-post_notify_demoted_0 drbd0:0_post_notify_demote_0 frigg->ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_confirmed-post_notify_demoted_0->drbd0:0_monitor_12000 frigg ms_drbd_confirmed-post_notify_demoted_0->drbd0:1_monitor_10000 odin ms_drbd_pre_notify_promote_0 ms_drbd_pre_notify_promote_0 ms_drbd_confirmed-post_notify_demoted_0->ms_drbd_pre_notify_promote_0 drbd0:0_post_notify_promote_0 frigg drbd0:0_post_notify_promote_0 frigg ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_confirmed-post_notify_promoted_0 drbd0:0_post_notify_promote_0 frigg->ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_confirmed-post_notify_promoted_0->drbd0:0_monitor_12000 frigg ms_drbd_confirmed-post_notify_promoted_0->drbd0:1_monitor_10000 odin group_start_0 group_start_0 ms_drbd_confirmed-post_notify_promoted_0->group_start_0 drbd0:0_pre_notify_demote_0 frigg drbd0:0_pre_notify_demote_0 frigg ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_confirmed-pre_notify_demote_0 drbd0:0_pre_notify_demote_0 frigg->ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_demote_0 ms_drbd_demote_0 ms_drbd_confirmed-pre_notify_demote_0->ms_drbd_demote_0 ms_drbd_confirmed-pre_notify_demote_0->ms_drbd_post_notify_demoted_0 drbd0:0_pre_notify_promote_0 frigg drbd0:0_pre_notify_promote_0 frigg ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_confirmed-pre_notify_promote_0 drbd0:0_pre_notify_promote_0 frigg->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_post_notify_promoted_0 ms_drbd_post_notify_promoted_0 ms_drbd_confirmed-pre_notify_promote_0->ms_drbd_post_notify_promoted_0 ms_drbd_confirmed-pre_notify_promote_0->ms_drbd_promote_0 drbd0:1_post_notify_demote_0 odin drbd0:1_post_notify_demote_0 odin drbd0:1_post_notify_demote_0 odin->ms_drbd_confirmed-post_notify_demoted_0 drbd0:1_post_notify_promote_0 odin drbd0:1_post_notify_promote_0 odin drbd0:1_post_notify_promote_0 odin->ms_drbd_confirmed-post_notify_promoted_0 drbd0:1_pre_notify_demote_0 odin drbd0:1_pre_notify_demote_0 odin drbd0:1_pre_notify_demote_0 odin->ms_drbd_confirmed-pre_notify_demote_0 drbd0:1_pre_notify_promote_0 odin drbd0:1_pre_notify_promote_0 odin drbd0:1_pre_notify_promote_0 odin->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_promoted_0->group_start_0 ms_drbd_promoted_0->ms_drbd_post_notify_promoted_0 group_start_0->IPaddr0_start_0 odin group_start_0->MailTo_start_0 odin group_start_0->group_running_0 ms_drbd_pre_notify_promote_0->drbd0:0_pre_notify_promote_0 frigg ms_drbd_pre_notify_promote_0->ms_drbd_confirmed-pre_notify_promote_0 ms_drbd_pre_notify_promote_0->drbd0:1_pre_notify_promote_0 odin ms_drbd_demote_0->drbd0:0_demote_0 frigg ms_drbd_demote_0->ms_drbd_demoted_0 ms_drbd_post_notify_demoted_0->drbd0:0_post_notify_demote_0 frigg ms_drbd_post_notify_demoted_0->ms_drbd_confirmed-post_notify_demoted_0 ms_drbd_post_notify_demoted_0->drbd0:1_post_notify_demote_0 odin ms_drbd_post_notify_promoted_0->drbd0:0_post_notify_promote_0 frigg ms_drbd_post_notify_promoted_0->ms_drbd_confirmed-post_notify_promoted_0 ms_drbd_post_notify_promoted_0->drbd0:1_post_notify_promote_0 odin ms_drbd_promote_0->drbd0:1_promote_0 odin ms_drbd_pre_notify_demote_0 ms_drbd_pre_notify_demote_0 ms_drbd_pre_notify_demote_0->drbd0:0_pre_notify_demote_0 frigg ms_drbd_pre_notify_demote_0->ms_drbd_confirmed-pre_notify_demote_0 ms_drbd_pre_notify_demote_0->drbd0:1_pre_notify_demote_0 odin pacemaker-master/doc/Pacemaker_Explained/en-US/images/Policy-Engine-small.dot000066400000000000000000000030701217637305600274130ustar00rootroot00000000000000 digraph "g" { "rsc1_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc1_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc1_stop_0 pcmk-1" [ style=dashed color="red" fontcolor="black" ] "rsc1_start_0 pcmk-2" [ style=dashed color="red" fontcolor="black" ] "rsc1_stop_0 pcmk-1" -> "rsc1_start_0 pcmk-2" [ style = dashed ] "rsc1_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc1_start_0 pcmk-2" [ style = dashed ] "rsc2_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc2_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc2_stop_0 pcmk-1" [ style=dashed color="red" fontcolor="black" ] "rsc2_start_0 pcmk-2" [ style=dashed color="red" fontcolor="black" ] "rsc2_stop_0 pcmk-1" -> "rsc2_start_0 pcmk-2" [ style = dashed ] "rsc2_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc2_start_0 pcmk-2" [ style = dashed ] "rsc3_monitor_0 pcmk-2" -> "probe_complete pcmk-2" [ style = bold] "rsc3_monitor_0 pcmk-2" [ style=bold color="green" fontcolor="black" ] "rsc3_stop_0 pcmk-1" [ style=dashed color="blue" fontcolor="orange" ] "rsc3_start_0 pcmk-2" [ style=dashed color="blue" fontcolor="black" ] "rsc3_stop_0 pcmk-1" -> "all_stopped" [ style = dashed ] "probe_complete" -> "rsc3_start_0 pcmk-2" [ style = dashed ] "probe_complete pcmk-2" -> "probe_complete" [ style = bold] "probe_complete pcmk-2" [ style=bold color="green" fontcolor="black" ] "probe_complete" [ style=bold color="green" fontcolor="orange" ] "all_stopped" [ style=dashed color="red" fontcolor="orange" ] } pacemaker-master/doc/Pacemaker_Explained/en-US/images/Policy-Engine-small.svg000066400000000000000000000220421217637305600274240ustar00rootroot00000000000000 g rsc1_monitor_0 pcmk-2 rsc1_monitor_0 pcmk-2 probe_complete pcmk-2 probe_complete pcmk-2 rsc1_monitor_0 pcmk-2->probe_complete pcmk-2 probe_complete probe_complete probe_complete pcmk-2->probe_complete rsc1_stop_0 pcmk-1 rsc1_stop_0 pcmk-1 rsc1_start_0 pcmk-2 rsc1_start_0 pcmk-2 rsc1_stop_0 pcmk-1->rsc1_start_0 pcmk-2 all_stopped all_stopped rsc1_stop_0 pcmk-1->all_stopped probe_complete->rsc1_start_0 pcmk-2 rsc2_start_0 pcmk-2 rsc2_start_0 pcmk-2 probe_complete->rsc2_start_0 pcmk-2 rsc3_start_0 pcmk-2 rsc3_start_0 pcmk-2 probe_complete->rsc3_start_0 pcmk-2 rsc2_monitor_0 pcmk-2 rsc2_monitor_0 pcmk-2 rsc2_monitor_0 pcmk-2->probe_complete pcmk-2 rsc2_stop_0 pcmk-1 rsc2_stop_0 pcmk-1 rsc2_stop_0 pcmk-1->all_stopped rsc2_stop_0 pcmk-1->rsc2_start_0 pcmk-2 rsc3_monitor_0 pcmk-2 rsc3_monitor_0 pcmk-2 rsc3_monitor_0 pcmk-2->probe_complete pcmk-2 rsc3_stop_0 pcmk-1 rsc3_stop_0 pcmk-1 rsc3_stop_0 pcmk-1->all_stopped pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-active-active.svg000066400000000000000000001636711217637305600273460ustar00rootroot00000000000000 image/svg+xml D'base Web Site Web Site Web Site Web Site GFS2 Host Host Host Host Shared Storage CoroSync Pacemaker Active / Active Hardware ClusterSoftware Services GFS2 GFS2 GFS2 URL Mail D'base URL Mail D'base URL Mail D'base URL Mail pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-active-passive.svg000066400000000000000000001210521217637305600275300ustar00rootroot00000000000000 image/svg+xml URL Web Site Files DRBD Host Host Host Host CoroSync Pacemaker Active / Passive Hardware ClusterSoftware Services URL D/base DRBD D/base Synch Synch pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-internals.svg000066400000000000000000001271041217637305600266100ustar00rootroot00000000000000 image/svg+xml Pacemaker Internals CRMd STONITHd CIB PEngine LRMd Cluster Abstraction Layer Corosync CCM or Heartbeat Linux-HA Project Pacemaker Project pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-overview.svg000066400000000000000000000703061217637305600264600ustar00rootroot00000000000000 image/svg+xml Pacemaker 10,000ft Cluster Resource Manager Local Resource Manager Resource Agents Messaging & Membership pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-shared-failover.svg000066400000000000000000001514071217637305600276670ustar00rootroot00000000000000 image/svg+xml URL Mail Files DRBD Host Host Host Host CoroSync Pacemaker Shared Failover Hardware ClusterSoftware Services DRBD D'base DRBD DRBD D'base URL URL Web Site Files Synch Synch Synch pacemaker-master/doc/Pacemaker_Explained/en-US/images/pcmk-stack.svg000066400000000000000000001021201217637305600257050ustar00rootroot00000000000000 image/svg+xml cLVM2 GFS2 OCFS2 Distributed Lock Manager CoroSync Pacemaker Pacemaker Stack Build 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BNL@Mq6C576Dbn\M/\ҵU&o ]p{A*OwM{tn ~na#=rb"=Tzi6s9`#oLn7qfytMW[o9o!`( \K7`vؠ#t){7|mc@Kρp@[XHϜ㹅IɴҲXY5TTJ6F:8XՋ RF?+\G0deK[_^xyK5`ClBB/Yv@Ka6p.(ڶ(\tmV>aqr< 2+mۮg 0[N궭4 ?\KS %=VhЗ\ʁʁq@p-)݋_Qh6&4I0[:t D, YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-04 10:28+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "What Changed in 1.0" msgstr "Cosa è cambiato nella versione 1.0" #. Tag: title #, no-c-format msgid "New" msgstr "Nuovo" #. Tag: para #, no-c-format msgid "Failure timeouts. See " msgstr "Failure timeouts. Vedere " #. Tag: para #, no-c-format msgid "New section for resource and operation defaults. See and " msgstr "Nuova sezione per le risorse e le operazioni di default. Vedere e " #. Tag: para #, no-c-format msgid "Tool for making offline configuration changes. See " msgstr "Strumento per effettuare modifiche alla configurazione offline. Vedere " #. Tag: para #, no-c-format msgid "Rules, instance_attributes, meta_attributes and sets of operations can be defined once and referenced in multiple places. See " msgstr "Rules, instance_attributes, meta_attributes ed i set di operazioni possono essere definiti inizialmente e referenziati in diversi posti. Vedere " #. Tag: para #, no-c-format msgid "The CIB now accepts XPath-based create/modify/delete operations. See the cibadmin help text." msgstr "Il CIB ora accetta le operazioni create/modify/delete basate su XPath. Vedere il testo di aiuto di cibadmin" #. Tag: para #, no-c-format msgid "Multi-dimensional colocation and ordering constraints. See and " msgstr "Vincoli multi dimensionali di colocation e ordering. Vedere e " #. Tag: para #, no-c-format msgid "The ability to connect to the CIB from non-cluster machines. See " msgstr "Possibilità di connessione al CIB da macchine non appartenenti al cluster. Vedere " #. Tag: para #, no-c-format msgid "Allow recurring actions to be triggered at known times. See " msgstr "Possibilità di innescare azioni ricorrenti in determinate tempistiche. Vedere " #. Tag: title #, no-c-format msgid "Changed" msgstr "Modifiche" #. Tag: para #, no-c-format msgid "Syntax" msgstr "Sintassi" #. Tag: para #, no-c-format msgid "All resource and cluster options now use dashes (-) instead of underscores (_)" msgstr "Tutte le risorse e le opzioni del cluster ora utilizzano trattini (-) invece di underscore (_)" #. Tag: para #, no-c-format msgid "master_slave was renamed to master" msgstr "master_slave è stato rinominato in master" #. Tag: para #, no-c-format msgid "The attributes container tag was removed" msgstr "Il tag contenitore attributes è stato rimosso" #. Tag: para #, no-c-format msgid "The operation field pre-req has been renamed requires" msgstr "Il campo operazione pre-req è stato rinominato in requires" #. Tag: para #, fuzzy, no-c-format msgid "All operations must have an interval, start/stop must have it set to zero" msgstr "Tutte le operazioni devono avere un intervallo interval e le operazioni start/stop devono averlo valorizzato a zero" #. Tag: para #, no-c-format msgid "The stonith-enabled option now defaults to true." msgstr "L'opzione stonith-enabled ora per default è true" #. Tag: para #, no-c-format msgid "The cluster will refuse to start resources if stonith-enabled is true (or unset) and no STONITH resources have been defined" msgstr "Il cluster rifiuterà di avviare risorse se stonith-enabled è true (o non valorizzato) e non è stata definita nessuna risorsa STONITH" #. Tag: para #, no-c-format msgid "The attributes of colocation and ordering constraints were renamed for clarity. See and " msgstr "Gli attributi dei vincoli colocation e ordering sono stati rinominati per chiarezza. Vedere e " #. Tag: para #, no-c-format msgid "resource-failure-stickiness has been replaced by migration-threshold. See " msgstr "resource-failure-stickiness è stata rimpiazzata da migration-threshold. Vedere " #. Tag: para #, fuzzy, no-c-format msgid "The parameters for command-line tools have been made consistent" msgstr "Gli argomenti degli strumenti a linea di comando sono stati resi consistenti" #. Tag: para #, fuzzy, no-c-format msgid "Switched to RelaxNG schema validation and libxml2 parser" msgstr "Passaggio allo schema di validazione RelaxNG ed al parser libxml2." #. Tag: para #, fuzzy, no-c-format msgid "id fields are now XML IDs which have the following limitations:" msgstr "I campi id ora sono XML ID con le seguenti limitazioni" #. Tag: para #, fuzzy, no-c-format msgid "id’s cannot contain colons (:)" msgstr "gli id non possonoo contenere due punti (:)" #. Tag: para #, fuzzy, no-c-format msgid "id’s cannot begin with a number" msgstr "gli id non possono iniziare con numeri" #. Tag: para #, fuzzy, no-c-format msgid "id’s must be globally unique (not just unique for that tag)" msgstr "gli id devono essere globalmente univoci (non solamente univoci per il tag relativo)" #. Tag: para #, no-c-format msgid "Some fields (such as those in constraints that refer to resources) are IDREFs." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This means that they must reference existing resources or objects in order for the configuration to be valid. Removing an object which is referenced elsewhere will therefore fail." msgstr "Alcuni campi (come quelli presenti nei vincoli riferiti alle risorse) sono IDREF. Questo significa che essi devono riferirsi a risorse esistenti o oggetti affinché la configurazione venga ritenuta valida. Rimuovere un oggetto che è referenziato alltrove quindi fallirà." #. Tag: para #, no-c-format msgid "The CIB representation, from which a MD5 digest is calculated to verify CIBs on the nodes, has changed." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This means that every CIB update will require a full refresh on any upgraded nodes until the cluster is fully upgraded to 1.0. This will result in significant performance degradation and it is therefore highly inadvisable to run a mixed 1.0/0.6 cluster for any longer than absolutely necessary." msgstr "La rappresentazione del CIB da cui è ricavato l'hash MD5 utilizzato per verificare il CIB è stata modificata. Questo significa che ogni variazione del CIB richiederà un completo refresh su ogni nodo aggiornato finché il cluster non verrà totalmente passato alla versione 1.0. Questo provocherà significative perdite di performance ed è assolutamente sconsigliato utilizzare versioni mixate del cluster 1.0/0.6 a meno che non sia strettamente necessario." #. Tag: para #, fuzzy, no-c-format msgid "Ping node information no longer needs to be added to ha.cf." msgstr "Le informazioni sui ping node non necessitano più di essere aggiunte al file ha.cf. Sarà sufficiente includere gli host nella lista delle risorse ping definite." #. Tag: para #, no-c-format msgid "Simply include the lists of hosts in your ping resource(s)." msgstr "" #. Tag: title #, no-c-format msgid "Removed" msgstr "Rimozioni" #. Tag: para #, no-c-format msgid "It is no longer possible to set resource meta options as top-level attributes. Use meta attributes instead." msgstr "Non è più possibile valorizzare un'opzione meta della risorsa come attributo di livello superiore. Sarà necessario utilizzare invece gli attributi meta." #. Tag: para #, no-c-format msgid "Resource and operation defaults are no longer read from crm_config. See and instead." msgstr "I valori di default per le risorse e le operazioni non sono più letti da crm_config. Vedere invece e ." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-Debug.po000066400000000000000000000225751217637305600236240ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-03 15:53+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Debugging Cluster Startup" msgstr "" #. Tag: title #, no-c-format msgid "Corosync" msgstr "Corosync" #. Tag: title #, no-c-format msgid "Prerequisites" msgstr "Prerequisiti" #. Tag: title #, no-c-format msgid "Minimum logging configuration" msgstr "Configurazione per il log minima" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "\n" " # /etc/init.d/openais start\n" " \n" " \n" " logging {\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " \n" " " msgstr "" "\n" "\t \n" " # /etc/init.d/openais start\n" "\t \n" "\t \n" " logging {\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "Whatever other logging you have, these two lines are required for Pacemaker clusters" msgstr "Qualsiasi tipo di log si sia impostato, queste due linee sono necessarie per i cluster Pacemaker" #. Tag: title #, no-c-format msgid "Confirm Corosync Started" msgstr "Conferma avvio Corosync" #. Tag: title #, no-c-format msgid "Expected output when starting openais" msgstr "Output previsto all'avvio di openais" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # /etc/init.d/openais start\n" " \n" " \n" " Starting Corosync daemon (aisexec): starting... rc=0: OK\n" " \n" " " msgstr "" "\n" "\t \n" " # /etc/init.d/openais start\n" "\t \n" "\t \n" " Starting Corosync daemon (aisexec): starting... rc=0: OK\n" "\t \n" "\t " #. Tag: title #, no-c-format msgid "Expected log messages - startup" msgstr "Messaggi di log previsti - startup" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep -e \"openais.*network interface\" -e \"AIS Executive Service\" /var/log/messages\n" " \n" " \n" " Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80'\n" " Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service.\n" " Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up.\n" " \n" " " msgstr "" "\n" "\t \n" " # grep -e "openais.*network interface" -e "AIS Executive Service" /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80'\n" " Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service.\n" " Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up.\n" "\t \n" "\t " #. Tag: caption #, fuzzy, no-c-format msgid "The versions may differ, but you should see Corosync indicate it started and sucessfully attached to the machine's network interface" msgstr "Le versioni potrebbero differire, ma si dovrebbe vedere Corosync indicare l'avvio e l'aggancio all'interfaccia di rete della macchina" #. Tag: title #, no-c-format msgid "Expected log messages - membership" msgstr "Messaggi di log attesi - membership" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep CLM /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41\n" " \n" " " msgstr "" "\n" "\t \n" " # grep CLM /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "The exact messages will differ, but you should see a new membership formed with the real IP address of your node" msgstr "Il messaggio preciso potrebbe differire, ma si dovrebbero osservare nuove membership formate con l'indirizzo IP reale del proprio nodo" #. Tag: title #, no-c-format msgid "Checking Pacemaker" msgstr "Controllare Pacemaker" #. Tag: para #, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack." msgstr "Dopo aver verificato la funzionalità di Corosync è possibile controllare il resto dello stack." #. Tag: title #, no-c-format msgid "Expected Pacemaker startup logging for Corosync" msgstr "Log di avvio previsti per Pacemaker con Corosync" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep pcmk_plugin_init /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1\n" " \n" " " msgstr "" "\n" "\t \n" " # grep pcmk_plugin_init /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1\n" "\t \n" "\t " #. Tag: caption #, fuzzy, no-c-format msgid "If you don't see these messages, or some like them, there is likely a problem finding or loading the pacemaker plugin." msgstr "Se non si osservano questi messaggi o qualcosa di simile, esiste verosimilmente un problema nel trovare o caricare il plugin pacemaker." #. Tag: title #, no-c-format msgid "Expected process listing on a 64-bit machine" msgstr "Lista dei processi prevista su una macchina a 64 bit" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # ps axf\n" " \n" " \n" " 3718 ? Ssl 0:05 /usr/sbin/aisexec\n" " 3723 ? SLs 0:00 \\_ /usr/lib64/heartbeat/stonithd\n" " 3724 ? S 0:05 \\_ /usr/lib64/heartbeat/cib\n" " 3725 ? S 0:21 \\_ /usr/lib64/heartbeat/lrmd\n" " 3726 ? S 0:01 \\_ /usr/lib64/heartbeat/attrd\n" " 3727 ? S 0:00 \\_ /usr/lib64/heartbeat/pengine\n" " 3728 ? S 0:01 \\_ /usr/lib64/heartbeat/crmd\n" " \n" " " msgstr "" "\n" "\t \n" " # ps axf\n" "\t \n" "\t \n" " 3718 ? Ssl 0:05 /usr/sbin/aisexec\n" " 3723 ? SLs 0:00 \\_ /usr/lib64/heartbeat/stonithd\n" " 3724 ? S 0:05 \\_ /usr/lib64/heartbeat/cib\n" " 3725 ? S 0:21 \\_ /usr/lib64/heartbeat/lrmd\n" " 3726 ? S 0:01 \\_ /usr/lib64/heartbeat/attrd\n" " 3727 ? S 0:00 \\_ /usr/lib64/heartbeat/pengine\n" " 3728 ? S 0:01 \\_ /usr/lib64/heartbeat/crmd\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "On 32-bit systems the exact path may differ, but all the above processes should be listed." msgstr "Su sistemi 32 bit il path esatto potrebbe differire, ma dovrebbero apparire tutti i processi listati sopra." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-FAQ.po000066400000000000000000000161461217637305600232020ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-10-12 10:18+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "FAQ" msgstr "FAQ" #. Tag: title #, no-c-format msgid "History" msgstr "Storia" #. Tag: para #, no-c-format msgid "Why is the Project Called PacemakernamingPacemaker?" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "First of all, the reason its not called the CRM is because of the abundance of terms that are commonly abbreviated to those three letters." msgstr "Prima di tutto non è chiamato CRM per via dell'abbondanza di termini a cui l'acronimo corrisponde." #. Tag: para #, fuzzy, no-c-format msgid "The Pacemaker name came from Kham, a good friend of mine, and was originally used by a Java GUI that I was prototyping in early 2007. Alas other commitments have prevented the GUI from progressing much and, when it came time to choose a name for this project, Lars suggested it was an even better fit for an independent CRM." msgstr "Il nome Pacemaker deriva da Kham, un caro amico, e venne originariamente usato per una GUI Java che stavo costruendo all'inizio del 2007. Purtroppo altri impegni hanno portato la GUI a non progredire a sufficienza e quando venne il momento di scegliere un nome per questo progetto, Lars suggerì che calzava ancora meglio su un CRM indipendente." #. Tag: para #, no-c-format msgid "The idea stems from the analogy between the role of this software and that of the little device that keeps the human heart pumping. Pacemaker monitors the cluster and intervenes when necessary to ensure the smooth operation of the services it provides." msgstr "L'idea su basa sull'analogia del ruolo di questo software con il piccolo dispositivo che mantiene il cuore umano in grado di pompare. Pacemaker controlla il cluster ed interviene quando necessario per assicurare il buon funzionamento dei servizi che fornisce." #. Tag: para #, fuzzy, no-c-format msgid "There were a number of other names (and acronyms) tossed around, but suffice to say \"Pacemaker\" was the best" msgstr "Ci furono diversi altri nomi (ed acronimi) proposti, ma è sufficiente affermare che "Pacemaker" era il migliore" #. Tag: para #, no-c-format msgid "Why was the Pacemaker Project Created?" msgstr "Perché è stato creato il progetto Pacemaker?" #. Tag: para #, no-c-format msgid "The decision was made to spin-off the CRM into its own project after the 2.1.3 Heartbeat release in order to" msgstr "La decisione venne presa per slacciare il CRM in un progetto a se stante dopo la versione 2.1.3 di Heartbeat in modo da" #. Tag: para #, no-c-format msgid "support both the Corosync and Heartbeat cluster stacks equally" msgstr "supportare gli stack Corosync ed Heartbeat equamente" #. Tag: para #, no-c-format msgid "decouple the release cycles of two projects at very different stages of their life-cycles" msgstr "disaccoppiare i cicli di rilascio di due progetti in fasi molto diverse della loro crescita" #. Tag: para #, no-c-format msgid "foster the clearer package boundaries, thus leading to" msgstr "definire meglio gli ambiti del progetto, in modo da avere" #. Tag: para #, no-c-format msgid "better and more stable interfaces" msgstr "interfacci più stabili e migliori" #. Tag: title #, no-c-format msgid "Setup" msgstr "Setup" #. Tag: para #, no-c-format msgid "What Messaging Layers Messaging Layers are Supported?" msgstr "" #. Tag: para #, no-c-format msgid "Corosync ()" msgstr "Corosync ()" #. Tag: para #, no-c-format msgid "Heartbeat ()" msgstr "Heartbeat ()" #. Tag: para #, no-c-format msgid "Can I Choose which Messaging Layer to use at Run Time?" msgstr "E' possibile scegliere a runtime il Message Layer da usare?" #. Tag: para #, fuzzy, no-c-format msgid "Yes. The CRM will automatically detect which started it and behave accordingly." msgstr "Sì. Il CRM identificherà da chi è stato avviato, comportandosi di conseguenza." #. Tag: para #, no-c-format msgid "Can I Have a Mixed Heartbeat-Corosync Cluster?" msgstr "E' possibile avere un cluster mixato Heartbeat-Corosync?" #. Tag: para #, no-c-format msgid "No." msgstr "No." #. Tag: para #, no-c-format msgid "Which Messaging Layer Should I Choose?" msgstr "Quale Message Layer si dovrebbe scegliere?" #. Tag: para #, no-c-format msgid "This is discussed in ." msgstr "Questo viene discusso qui ." #. Tag: para #, no-c-format msgid "Where Can I Get Pre-built Packages?" msgstr "Dove si possono reperire pacchetti pre compilati?" #. Tag: para #, fuzzy, no-c-format msgid "Official packages for most major .rpm and based distributions are available from the ClusterLabs Website." msgstr "I pacchetti ufficiali per le distribuzioni basate su rpm sono disponibili presso:" #. Tag: para #, fuzzy, no-c-format msgid "For Debian packages, building from source and details on using the above repositories, see our installation page." msgstr "Per i pacchetti Debian, compilare dai sorgenti e dettagli sull'utilizzo dei repository indicati sopra, vedere la nostra Pagina di installazione." #. Tag: para #, no-c-format msgid "What Versions of Pacemaker Are Supported?" msgstr "Quali versioni di Pacemaker sono supportate?" #. Tag: para #, fuzzy, no-c-format msgid "Please refer to the Releases page for an up-to-date list of versions supported directly by the project." msgstr "Riferirsi alla pagina Releases per una lista aggiornata delle versioni supportate direttamente dal progetto." #. Tag: para #, no-c-format msgid "When seeking assistance, please try to ensure you have one of these versions." msgstr "Quando si necessita di assistenza è ideale utilizzare una di queste versioni." #~ msgid "Why is the Project Called Pacemaker?" #~ msgstr "Perché il progetto è chiamato Pacemaker?" #~ msgid "What Messaging Layers are Supported?" #~ msgstr "Quali Messaging Layers sono supportati?" #~ msgid "" #~ msgstr "" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-Install.po000066400000000000000000000235531217637305600242010ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-03 16:30+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "Installazione" #. Tag: para #, no-c-format msgid "The following text may no longer be accurate in some places." msgstr "" #. Tag: title #, no-c-format msgid "Choosing a Cluster Stack" msgstr "Scegliere lo stack del cluster" #. Tag: para #, no-c-format msgid " ClusterChoosing Between Heartbeat and Corosync Choosing Between Heartbeat and Corosync Cluster StackCorosync Corosync Corosync Cluster StackHeartbeat Heartbeat Heartbeat " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Ultimately the choice of cluster stack is a personal decision that must be made in the context of you or your company’s needs and strategic direction. Pacemaker currently functions equally well with both stacks." msgstr "Ultimamente la scelta dello stack del cluster da utilizzare è una decisione personale che va presa nel contesto delle proprie (e della propria azienda) esigenze e strategie direzionali. Pacemaker attualmente funziona in maniera identica con entrambi gli stack." #. Tag: para #, fuzzy, no-c-format msgid "Here are some factors that may influence the decision:" msgstr "Alcuni fattori che potrebbero influenzare la decisione" #. Tag: para #, no-c-format msgid "SUSE/Novell, Red Hat and Oracle are all putting their collective weight behind the Corosync cluster stack." msgstr "SUSE/Novell, Red Hat ed Oracle stanno ponendo il proprio peso sulle spalle dello stack Corosync." #. Tag: para #, no-c-format msgid "Using Corosync gives your applications access to the following additional cluster services" msgstr "Utilizzare Corosync da accesso alle proprie applicazioni a questi servizi aggiuntivi" #. Tag: para #, no-c-format msgid "distributed locking service" msgstr "distributed locking service" #. Tag: para #, fuzzy, no-c-format msgid "extended virtual synchronization service" msgstr "servizio extended virtual synchrony" #. Tag: para #, no-c-format msgid "cluster closed process group service" msgstr "servizio cluster closed process group" #. Tag: para #, no-c-format msgid "It is likely that Pacemaker, at some point in the future, will make use of some of these additional services not provided by Heartbeat" msgstr "E' verosimile pensare che Pacemaker, in futuro, possa utilizzare qualcuno di questi servizi aggiuntivi non forniti da Heartbeat" #. Tag: title #, no-c-format msgid "Enabling Pacemaker" msgstr "Abilitare Pacemaker" #. Tag: title #, no-c-format msgid "For Corosync" msgstr "Per Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The Corosync configuration is normally located in /etc/corosync/corosync.conf and an example for a machine with an address of 1.2.3.4 in a cluster communicating on port 1234 (without peer authentication and message encryption) is shown below." msgstr "La configurazione di Corosync è normalmente posizionata in /etc/corosync/corosync.conf. Viene mostrato sotto un esempio per una macchina con indirizzo 1.2.3.4 comunicante in un cluster alla porta 1234 (senza autenticazione e crittazione dei messaggi)." #. Tag: title #, no-c-format msgid "An example Corosync configuration file" msgstr "Un esempio di un file di configurazione di Corosync" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " totem {\n" " version: 2\n" " secauth: off\n" " threads: 0\n" " interface {\n" " ringnumber: 0\n" " bindnetaddr: 1.2.3.4\n" " mcastaddr: 239.255.1.1\n" " mcastport: 1234\n" " }\n" " }\n" " logging {\n" " fileline: off\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " amf {\n" " mode: disabled\n" " }" msgstr "" "\n" " totem {\n" " version: 2\n" " secauth: off\n" " threads: 0\n" " interface {\n" " ringnumber: 0\n" " bindnetaddr: 1.2.3.4\n" " mcastaddr: 226.94.1.1\n" " mcastport: 1234\n" " }\n" " }\n" " logging {\n" " fileline: off\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " amf {\n" " mode: disabled\n" " }\n" "\t" #. Tag: para #, no-c-format msgid "The logging should be mostly obvious and the amf section refers to the Availability Management Framework and is not covered in this document." msgstr "La sezione logging risulta piuttosto ovvia e la sezione amf si riferisce all'Availability Management Framework e non è affrontata in questo documento." #. Tag: para #, fuzzy, no-c-format msgid "The interesting part of the configuration is the totem section. This is where we define how the node can communicate with the rest of the cluster and what protocol version and options (including encryption Please consult the Corosync website (http://www.corosync.org/) and documentation for details on enabling encryption and peer authentication for the cluster. ) it should use. Beginners are encouraged to use the values shown and modify the interface section based on their network." msgstr "La parte interessante è la sezione totem. Qui è dove viene definito come un nodo comunica con il resto del cluster e quale versione di protocollo ed opzioni (inclusa la crittazione Consultare il sito di Corosync e la documentazione per dettagli su come abilitare la crittazione e l'autenticazione dei componenti nel cluster. ) esso debba utilizzare. I principianti sono incoraggiati ad utilizzare quanto indicato e modificare la sezione dell'interfaccia in base alla propria rete." #. Tag: para #, fuzzy, no-c-format msgid "It is also possible to configure Corosync for an IPv6 based environment. Simply configure bindnetaddr and mcastaddr with their IPv6 equivalents, eg." msgstr "E' inoltre possibile configurare Corosync per un ambiente basato su IPv6. E' sufficiente configurare i parametri bindnetaddr e mcastaddr con l'equivalente IPV6. Ad esempio" #. Tag: title #, no-c-format msgid "Example options for an IPv6 environment" msgstr "Esempio di opzioni per un ambiente IPV6" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " bindnetaddr: fec0::1:a800:4ff:fe00:20\n" " mcastaddr: ff05::1" msgstr "" "\n" " bindnetaddr: fec0::1:a800:4ff:fe00:20 \n" " mcastaddr: ff05::1\n" "\t " #. Tag: para #, no-c-format msgid "To tell Corosync to use the Pacemaker cluster manager, add the following fragment to a functional Corosync configuration and restart the cluster." msgstr "Per indicare a Corosync di utilizzare il cluster manager Pacemaker è necessario aggiungere il seguente frammento ad una configurazione Corosync funzionante e riavviare il cluster." #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Corosync" msgstr "Frammento di configurazione per abilitare Pacemaker in Corosync" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "aisexec {\n" " user: root\n" " group: root\n" "}\n" "service {\n" " name: pacemaker\n" " ver: 0\n" "}" msgstr "" "\n" " aisexec {\n" " user: root\n" " group: root\n" " }\n" " service {\n" " name: pacemaker\n" " ver: 0\n" " }\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "The cluster needs to be run as root so that its child processes (the lrmd in particular) have sufficient privileges to perform the actions requested of it. After all, a cluster manager that can’t add an IP address or start apache is of little use." msgstr "Il cluster necessità di funzionare come root in modo che i processi figlio (lrmd in particolare) abbiano sufficienti privilegi per effettuare le azioni richieste da esso. Dopo tutto, un cluster manager che non potesse aggiungere un indirizzo IP o avviare apache risulterebbe piuttosto inutile." #. Tag: para #, no-c-format msgid "The second directive is the one that actually instructs the cluster to run Pacemaker." msgstr "La seconda direttiva istruisce il cluster nell'utilizzare Pacemaker." #. Tag: title #, no-c-format msgid "For Heartbeat" msgstr "Per Heartbeat" #. Tag: para #, fuzzy, no-c-format msgid "Add the following to a functional ha.cf configuration file and restart Heartbeat:" msgstr "Aggiungere quanto segue al file ha.cf in una configurazione funzionante e riavviando Heartbeat" #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Heartbeat" msgstr "Frammento di configurazione per abilitare Pacemaker in Heartbeat" #. Tag: programlisting #, fuzzy, no-c-format msgid "crm respawn" msgstr "" "\n" " crm respawn\n" "\t " #~ msgid "Corosync is an OSI Certified implementation of an industry standard (the Service Availability Forum Application Interface Specification)." #~ msgstr "Corosync è un'implementazione di uno standard industriale (il Service Availability Forum Application Interface Specification) certificato OSI." #~ msgid "checkpoint service" #~ msgstr "servizio checkpoint" #~ msgid "To date, Pacemaker has received less real-world testing on Corosync than it has on Heartbeat." #~ msgstr "Fino ad oggi, Pacemaker ha ricevuto minori test su soluzioni in produzione con Corosync rispetto ad Heartbeat" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-LSB.po000066400000000000000000000133151217637305600232060ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-03 17:51+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "init-Script LSB Compliance" msgstr "Questo script è compatibile con LSB?" #. Tag: para #, fuzzy, no-c-format msgid "The relevant part of LSB spec includes a description of all the return codes listed here." msgstr "La parte rilevante delle specifiche LSB si trova qui: http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html. Essa include una descrizione di tutti i codici di ritorno riportati qui." #. Tag: para #, fuzzy, no-c-format msgid "Assuming some_service is configured correctly and currently not active, the following sequence will help you determine if it is LSB compatible:" msgstr "Assumendo che some_service sia configurato correttamente ed attualmente inattivo, la seguente sequenza aiuterà a valutare la compatibilità con LSB:" #. Tag: para #, no-c-format msgid "Start (stopped):" msgstr "Start (a servizio fermo):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service start ; echo \"result: $?\"" msgstr " /etc/init.d/some_service start ; echo "result: $?" " #. Tag: para #, no-c-format msgid "Did the service start?" msgstr "Il servizio si è avviato?" #. Tag: para #, no-c-format msgid "Did the command print result: 0 (in addition to the regular output)?" msgstr "Il comando ha stampato il risultato: 0 (in aggiunta all'output classico)?" #. Tag: para #, no-c-format msgid "Status (running):" msgstr "Status (a servizio attivo):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service status ; echo \"result: $?\"" msgstr "/etc/init.d/some_service status ; echo "result: $?" " #. Tag: para #, no-c-format msgid "Did the script accept the command?" msgstr "Lo script ha accettato il comando?" #. Tag: para #, no-c-format msgid "Did the script indicate the service was running?" msgstr "Lo script ha indicato che il servizio stava funzionando?" #. Tag: para #, no-c-format msgid "Start (running):" msgstr "Start (a servizio attivo):" #. Tag: para #, no-c-format msgid "Is the service still running?" msgstr "Il servizio è ancora attivo?" #. Tag: para #, no-c-format msgid "Stop (running):" msgstr "Stop (a servizio attivo):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service stop ; echo \"result: $?\"" msgstr "/etc/init.d/some_service stop ; echo "result: $?" " #. Tag: para #, no-c-format msgid "Was the service stopped?" msgstr "Il servizio è stato stoppato?" #. Tag: para #, no-c-format msgid "Status (stopped):" msgstr "Status (a servizio fermo):" #. Tag: para #, no-c-format msgid "Did the script indicate the service was not running?" msgstr "Lo script ha indicato che il servizio non stava funzionando?" #. Tag: para #, no-c-format msgid "Did the command print result: 3 (in addition to the regular output)?" msgstr "Il comando ha restituito il risultato: 3 (in aggiunta all'ouput classico)?" #. Tag: para #, no-c-format msgid "Stop (stopped):" msgstr "Stop (a servizio fermo):" #. Tag: para #, no-c-format msgid "Is the service still stopped?" msgstr "Il servizio è ancora stoppato?" #. Tag: para #, no-c-format msgid "Status (failed):" msgstr "Status (a servizio fallito):" #. Tag: para #, no-c-format msgid "This step is not readily testable and relies on manual inspection of the script." msgstr "Questo passaggio non è facilmente verificabile e si basa sul controllo manuale dello script." #. Tag: para #, no-c-format msgid "The script can use one of the error codes (other than 3) listed in the LSB spec to indicate that it is active but failed. This tells the cluster that before moving the resource to another node, it needs to stop it on the existing one first." msgstr "Lo script può utilizzare un codice di errore (diverso da 3) elencato nelle specifiche LSB per indicare che è attivo ma fallito. Questo indica al cluster che prima di spostare una risorsa ad un altro nodo essa necessita di essere stoppata prima sul nodo attuale." #. Tag: para #, no-c-format msgid "If the answer to any of the above questions is no, then the script is not LSB compliant. Your options are then to either fix the script or write an OCF agent based on the existing script." msgstr "Se la risposta a qualsiasi delle domande elencate è no, allora lo script non è LSB compatibile. Le opzioni a questo punto sono di sistemare lo script o scrivere un agent OCF basato sullo script esistente." #~ msgid "/etc/init.d/some_service start ; echo "result: $?"" #~ msgstr "/etc/init.d/some_service start ; echo "result: $?"" #~ msgid "The script can use one of the error codes (other than 3) listed in the LSB spec to indicate that it is active but failed." #~ msgstr "Lo script può utilizzare un codice di errore (diverso da 3) elencato nelle specifiche LSB per indicare che è attivo ma fallito." #~ msgid "This tells the cluster that before moving the resource to another node, it needs to stop it on the existing one first." #~ msgstr "Questo indica al cluster che prima di spostare la risorsa su un altro nodo, essa necessita di essere fermata prima sul nodo attuale." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-OCF.po000066400000000000000000000717121217637305600232020ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-04 09:58+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "More About OCF Resource Agents" msgstr "Maggiori informazioni sui Resource Agent OCF" #. Tag: title #, no-c-format msgid "Location of Custom Scripts" msgstr "Dove si trovano gli script personalizzati" #. Tag: para #, fuzzy, no-c-format msgid " OCF Resource Agents OCF Resource Agents are found in /usr/lib/ocf/resource.d/provider." msgstr "Gli OCF Resource Agent si troviano nel path /usr/lib/ocf/resource.d/provider." #. Tag: para #, fuzzy, no-c-format msgid "When creating your own agents, you are encouraged to create a new directory under /usr/lib/ocf/resource.d/ so that they are not confused with (or overwritten by) the agents shipped with Heartbeat." msgstr "In fase di creazione dei propri Agent l'utente è incoraggiato a creare una nuova cartella sotto /usr/lib/ocf/resource.d/ in modo che questi non vengano confusi (o sovrascritti) con gli agenti forniti con Heartbeat. Quindi, ad esempio, se viene scelto come nome provider bigCorp ed il nome della nuova risorsa sarà bigApp, andrà creato uno script chiamato /usr/lib/ocf/resource.d/bigCorp/bigApp e definita una risorsa:" #. Tag: para #, fuzzy, no-c-format msgid "So, for example, if you chose the provider name of bigCorp and wanted a new resource named bigApp, you would create a script called /usr/lib/ocf/resource.d/bigCorp/bigApp and define a resource:" msgstr "In fase di creazione dei propri Agent l'utente è incoraggiato a creare una nuova cartella sotto /usr/lib/ocf/resource.d/ in modo che questi non vengano confusi (o sovrascritti) con gli agenti forniti con Heartbeat. Quindi, ad esempio, se viene scelto come nome provider bigCorp ed il nome della nuova risorsa sarà bigApp, andrà creato uno script chiamato /usr/lib/ocf/resource.d/bigCorp/bigApp e definita una risorsa:" #. Tag: programlisting #, fuzzy, no-c-format msgid "<primitive id=\"custom-app\" class=\"ocf\" provider=\"bigCorp\" type=\"bigApp\"/>" msgstr "<primitive id="custom-app" class="ocf" provider="bigCorp" type="bigApp"/>" #. Tag: title #, no-c-format msgid "Actions" msgstr "Azioni" #. Tag: para #, no-c-format msgid "All OCF Resource Agents are required to implement the following actions" msgstr "Tutti i Resource Agent OCF devono implementare le seguenti azioni" #. Tag: title #, no-c-format msgid "Required Actions for OCF Agents" msgstr "Azioni richieste per gli agenti OCF" #. Tag: entry #, no-c-format msgid "Action" msgstr "Azione" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: entry #, no-c-format msgid "Instructions" msgstr "Istruzioni" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "Start the resource" msgstr "Avvia la risorsa" #. Tag: para #, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active. startOCF Action OCF Action OCFActionstart Actionstart start " msgstr "" #. Tag: para #, no-c-format msgid "stop" msgstr "" #. Tag: para #, no-c-format msgid "Stop the resource" msgstr "Ferma la risorsa" #. Tag: para #, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped. stopOCF Action OCF Action OCFActionstop Actionstop stop " msgstr "" #. Tag: para #, no-c-format msgid "monitor" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Check the resource’s state" msgstr "Controlla lo stato della risorsa" #. Tag: para #, no-c-format msgid "Exit 0 if the resource is running, 7 if it is stopped, and anything else if it is failed. monitorOCF Action OCF Action OCFActionmonitor Actionmonitor monitor " msgstr "" #. Tag: para #, no-c-format msgid "NOTE: The monitor script should test the state of the resource on the local machine only." msgstr "NOTA: Lo script di monitor dovrebbe controllare lo stato della risorsa solo sulla macchina locale." #. Tag: para #, no-c-format msgid "meta-data" msgstr "" #. Tag: para #, no-c-format msgid "Describe the resource" msgstr "Descrive la risorsa" #. Tag: para #, no-c-format msgid "Provide information about this resource as an XML snippet. Exit with 0. meta-dataOCF Action OCF Action OCFActionmeta-data Actionmeta-data meta-data " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "NOTE: This is not performed as root." msgstr "NOTA: non viene eseguito come root." #. Tag: para #, no-c-format msgid "validate-all" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Verify the supplied parameters" msgstr "Verifica che i parametri passati siano corretti" #. Tag: para #, no-c-format msgid "Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured. validate-allOCF Action OCF Action OCFActionvalidate-all Actionvalidate-all validate-all " msgstr "" #. Tag: para #, no-c-format msgid "Additional requirements (not part of the OCF specs) are placed on agents that will be used for advanced concepts like clones and multi-state resources." msgstr "Requisiti aggiuntivi (che non fanno parte delle specifiche OCF) sono associati ad agenti che vengono utilizzati nell'ambito delle risorse clone e multi-state." #. Tag: title #, no-c-format msgid "Optional Actions for OCF Agents" msgstr "Azioni facoltative per gli agent OCF" #. Tag: para #, no-c-format msgid "promote" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Promote the local instance of a multi-state resource to the master/primary state." msgstr "Promuove l'istanza locale di una risorsa multi-state allo stato master/primary" #. Tag: para #, no-c-format msgid "Return 0 on success promoteOCF Action OCF Action OCFActionpromote Actionpromote promote " msgstr "" #. Tag: para #, no-c-format msgid "demote" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Demote the local instance of a multi-state resource to the slave/secondary state." msgstr "Degrada l'istanza locale di una risorsa multi-state allo stato slave/secondary" #. Tag: para #, no-c-format msgid "Return 0 on success demoteOCF Action OCF Action OCFActiondemote Actiondemote demote " msgstr "" #. Tag: para #, no-c-format msgid "notify" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Used by the cluster to send the agent pre and post notification events telling the resource what has happened and will happen." msgstr "Utilizzato dal cluster per inviare pre e post notifiche di eventi all'agente indicando cosa sta accadendo o cosa è accaduto alla risorsa" #. Tag: para #, no-c-format msgid "Must not fail. Must exit with 0 notifyOCF Action OCF Action OCFActionnotify Actionnotify notify " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "One action specified in the OCF specs is not currently used by the cluster:" msgstr "Un'azione definita nelle specifiche OCF non è attalmente utilizzata dal cluster" #. Tag: para #, fuzzy, no-c-format msgid "recover - a variant of the start action, this should try to recover a resource locally." msgstr "rescover - una variante dell'azione start, dovrebbe cercare di ripristinare localmente una risorsa." #. Tag: para #, fuzzy, no-c-format msgid "Remember to use ocf-tester ocf-tester to verify that your new agent complies with the OCF standard properly." msgstr "E' necessario ricordare l'utilizzo di ocf-tester per verificare che i nuovi agenti creati siano propriamente compatibili con lo standard OCF." #. Tag: title #, no-c-format msgid "How are OCF Return Codes Interpreted?" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The first thing the cluster does is to check the return code against the expected result. If the result does not match the expected value, then the operation is considered to have failed and recovery action is initiated." msgstr "La prima cosa che il cluster fa è controllare il codice di ritorno rispetto ai risultati attesi. Se il risultato non combacia con i valori attesi, allora l'operazione viene considerata fallita e viene avviata un'azione di ripristino." #. Tag: para #, no-c-format msgid "There are three types of failure recovery:" msgstr "Esistono tre tipi di ripristino da fallimenti:" #. Tag: title #, no-c-format msgid "Types of recovery performed by the cluster" msgstr "Tipi di ripristino effettuati dal cluster" #. Tag: entry #, no-c-format msgid "Type" msgstr "" #. Tag: entry #, no-c-format msgid "Action Taken by the Cluster" msgstr "Azione intrapresa dal cluster" #. Tag: para #, no-c-format msgid "soft" msgstr "" #. Tag: para #, no-c-format msgid "A transient error occurred" msgstr "Si è verificato un errore transitorio" #. Tag: para #, no-c-format msgid "Restart the resource or move it to a new location softOCF error OCF error OCFerrorsoft errorsoft soft " msgstr "" #. Tag: para #, no-c-format msgid "hard" msgstr "" #. Tag: para #, no-c-format msgid "A non-transient error that may be specific to the current node occurred" msgstr "Si è verificato un errore non transitorio che potrebbe essere specificamente correlato al nodo attuale" #. Tag: para #, no-c-format msgid "Move the resource elsewhere and prevent it from being retried on the current node hardOCF error OCF error OCFerrorhard errorhard hard " msgstr "" #. Tag: para #, no-c-format msgid "fatal" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A non-transient error that will be common to all cluster nodes (eg. a bad configuration was specified)" msgstr "Si è verificato un errore non transitorio che sarà associato a tutti i nodi del cluster (ad esempio una configurazione sbagliata)" #. Tag: para #, no-c-format msgid "Stop the resource and prevent it from being started on any cluster node fatalOCF error OCF error OCFerrorfatal errorfatal fatal " msgstr "" #. Tag: para #, no-c-format msgid "Assuming an action is considered to have failed, the following table outlines the different OCF return codes and the type of recovery the cluster will initiate when it is received." msgstr "Assumendo che l'azione sia considerata fallita, la seguente tabella evidenzia i diversi codici di ritorno OCF ed i tipi di ripristino che il cluster avvierà di conseguenza." #. Tag: title #, fuzzy, no-c-format msgid "OCF Return Codes" msgstr "OCF Return Code" #. Tag: title #, fuzzy, no-c-format msgid "OCF Return Codes and their Recovery Types" msgstr "Codici di ritorno OCF e come sono gestiti" #. Tag: entry #, no-c-format msgid "RC" msgstr "" #. Tag: entry #, no-c-format msgid "OCF Alias" msgstr "OCF Alias" #. Tag: entry #, no-c-format msgid "RT" msgstr "" #. Tag: para #, no-c-format msgid "0" msgstr "" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "" #. Tag: para #, no-c-format msgid "Success. The command completed successfully. This is the expected result for all start, stop, promote and demote commands. Return CodeOCF_SUCCESS OCF_SUCCESS Return Code0OCF_SUCCESS 0OCF_SUCCESS OCF_SUCCESS " msgstr "" #. Tag: para #, no-c-format msgid "1" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_ERR_GENERIC" msgstr "OCF_ERR_GENERIC" #. Tag: para #, no-c-format msgid "Generic \"there was a problem\" error code. Return CodeOCF_ERR_GENERIC OCF_ERR_GENERIC Return Code1OCF_ERR_GENERIC 1OCF_ERR_GENERIC OCF_ERR_GENERIC " msgstr "" #. Tag: para #, no-c-format msgid "2" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_ARGS" msgstr "" #. Tag: para #, no-c-format msgid "The resource’s configuration is not valid on this machine. Eg. refers to a location/tool not found on the node. Return CodeOCF_ERR_ARGS OCF_ERR_ARGS Return Code2OCF_ERR_ARGS 2OCF_ERR_ARGS OCF_ERR_ARGS " msgstr "" #. Tag: para #, no-c-format msgid "3" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_ERR_UNIMPLEMENTED" msgstr "OCF_ERR_UNIMPLEMENTED" #. Tag: para #, no-c-format msgid "The requested action is not implemented. Return CodeOCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED Return Code3OCF_ERR_UNIMPLEMENTED 3OCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED " msgstr "" #. Tag: para #, no-c-format msgid "4" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_PERM" msgstr "" #. Tag: para #, no-c-format msgid "The resource agent does not have sufficient privileges to complete the task. Return CodeOCF_ERR_PERM OCF_ERR_PERM Return Code4OCF_ERR_PERM 4OCF_ERR_PERM OCF_ERR_PERM " msgstr "" #. Tag: para #, no-c-format msgid "5" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_ERR_INSTALLED" msgstr "OCF_ERR_INSTALLED" #. Tag: para #, no-c-format msgid "The tools required by the resource are not installed on this machine. Return CodeOCF_ERR_INSTALLED OCF_ERR_INSTALLED Return Code5OCF_ERR_INSTALLED 5OCF_ERR_INSTALLED OCF_ERR_INSTALLED " msgstr "" #. Tag: para #, no-c-format msgid "6" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_ERR_CONFIGURED" msgstr "OCF_ERR_CONFIGURED" #. Tag: para #, no-c-format msgid "The resource’s configuration is invalid. Eg. required parameters are missing. Return CodeOCF_ERR_CONFIGURED OCF_ERR_CONFIGURED Return Code6OCF_ERR_CONFIGURED 6OCF_ERR_CONFIGURED OCF_ERR_CONFIGURED " msgstr "" #. Tag: para #, no-c-format msgid "7" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_NOT_RUNNING" msgstr "OCF_NOT_RUNNING" #. Tag: para #, no-c-format msgid "The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action. Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING Return Code7OCF_NOT_RUNNING 7OCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "" #. Tag: para #, no-c-format msgid "N/A" msgstr "" #. Tag: para #, no-c-format msgid "8" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "OCF_RUNNING_MASTER" #. Tag: para #, no-c-format msgid "The resource is running in Master mode. Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER Return Code8OCF_RUNNING_MASTER 8OCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "9" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_FAILED_MASTER" msgstr "OCF_FAILED_MASTER" #. Tag: para #, no-c-format msgid "The resource is in Master mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again. Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER Return Code9OCF_FAILED_MASTER 9OCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "other" msgstr "" #. Tag: para #, no-c-format msgid "NA" msgstr "" #. Tag: para #, no-c-format msgid "Custom error code. Return Codeother other " msgstr "" #. Tag: para #, no-c-format msgid "Although counterintuitive, even actions that return 0 (aka. OCF_SUCCESS) can be considered to have failed." msgstr "" #. Tag: title #, no-c-format msgid "Exceptions" msgstr "Eccezioni" #. Tag: para #, no-c-format msgid "Non-recurring monitor actions (probes) that find a resource active (or in Master mode) will not result in recovery action unless it is also found active elsewhere" msgstr "Azioni di monitor non ricorrenti (probes) che trovano una risorsa attiva (o in modalità Master) non forzeranno un ripristino a meno che non trovino la risorsa attiva altrove" #. Tag: para #, fuzzy, no-c-format msgid "The recovery action taken when a resource is found active more than once is determined by the multiple-active property of the resource" msgstr "L'azione di ripristino intrapresa quando una risorsa viene trovata attiva più di una volta è determinata dalla proprietà multiple-active" #. Tag: para #, fuzzy, no-c-format msgid "Recurring actions that return OCF_ERR_UNIMPLEMENTED do not cause any type of recovery" msgstr "Azioni ricorrenti che restituiscono OCF_ERR_UNIMPLEMENTED non forzano alcun tipo di ripristino" #~ msgid "start" #~ msgstr "start" #~ msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active." #~ msgstr "Restituisce 0 in caso di successo oppure un appropriato codice di errore. Non deve riportare successo finché la risorsa non è totalmente attiva." #~ msgid "stop" #~ msgstr "stop" #~ msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped." #~ msgstr "Restituisce 0 in caso di successo oppure un appropriato codice di errore. Non deve riportare successo finché la risorsa non è completamente stoppata." #~ msgid "monitor" #~ msgstr "monitor" #~ msgid "Exit 0 if the resource is running, 7 if it is stopped and anything else if it is failed." #~ msgstr "Restituisce 0 se la risorsa sta funzionando, 7 se è stoppata e qualsiasi altro valore se è fallita." #~ msgid "meta-data" #~ msgstr "meta-data" #~ msgid "Provide information about this resource as an XML snippet. Exit with 0." #~ msgstr "Fornisce informazioni in merito a questa risorsa in forma di estr atto di XML. Restituisce 0." #~ msgid "validate-all" #~ msgstr "validate-all" #~ msgid "Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured." #~ msgstr "Restituisce 0 se i parametri sono validi, 2 se non sono validi, 6 se la risorsa non è configurata." #~ msgid "promote" #~ msgstr "promote" #~ msgid "Return 0 on success" #~ msgstr "Restituisce 0 in caso di successo" #~ msgid "demote" #~ msgstr "demote" #~ msgid "notify" #~ msgstr "notify" #~ msgid "Must not fail. Must exit 0" #~ msgstr "Non può fallire. Deve restituire 0" #~ msgid "How Does the Cluster Interpret the OCF Return Codes?" #~ msgstr "Il cluster come interpreta i codici di ritorno OCF?" #~ msgid "Recovery Type" #~ msgstr "Tipo di ripristino" #~ msgid "soft" #~ msgstr "soft" #~ msgid "Restart the resource or move it to a new location" #~ msgstr "Riavvia la risora o la sposta in una nuova posizione" #~ msgid "hard" #~ msgstr "hard" #~ msgid "Move the resource elsewhere and prevent it from being retried on the current node" #~ msgstr "Sposta altrove la risorsa e previene che questa venga riavviata sul nodo attuale" #~ msgid "fatal" #~ msgstr "fatal" #~ msgid "Stop the resource and prevent it from being started on any cluster node" #~ msgstr "Ferma la risorsa ed evita che venga avviata da qualsiasi nodo del cluster" #~ msgid "0" #~ msgstr "0" #~ msgid "OCF_SUCCESS" #~ msgstr "OCF_SUCCESS" #~ msgid "Success. The command complete successfully. This is the expected result for all start, stop, promote and demote commands." #~ msgstr "Successo. Il comando è stato completato con successo. E' il risultato atteso per tutte le operazioni di start, stop, promote e demote." #~ msgid "1" #~ msgstr "1" #~ msgid "Generic "there was a problem" error code." #~ msgstr "Codice di errore generico "c'è stato un problema"" #~ msgid "2" #~ msgstr "2" #~ msgid "OCF_ERR_ARGS" #~ msgstr "OCF_ERR_ARGS" #~ msgid "The resource's configuration is not valid on this machine. Eg. Refers to a location/tool not found on the node." #~ msgstr "La configurazione della risorsa su questa macchina è invalida. Ad esempio riferisce ad uno strumento/posizione non trovato all'interno del nodo." #~ msgid "3" #~ msgstr "3" #~ msgid "The requested action is not implemented." #~ msgstr "L'azione richiesta non è implementata." #~ msgid "4" #~ msgstr "4" #~ msgid "OCF_ERR_PERM" #~ msgstr "OCF_ERR_PERM" #~ msgid "The resource agent does not have sufficient privileges to complete the task." #~ msgstr "L'agente della risorsa non ha privilegi sufficienti per completare l'operazione." #~ msgid "5" #~ msgstr "5" #~ msgid "The tools required by the resource are not installed on this machine." #~ msgstr "I tool richiesti dalla risorsa non sono installati su questa macchina." #~ msgid "6" #~ msgstr "6" #~ msgid "The resource's configuration is invalid. Eg. A required parameters are missing." #~ msgstr "La configurazione della risorsa è invalida. Ad esempio manca un parametro richiesto." #~ msgid "7" #~ msgstr "7" #~ msgid "The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action." #~ msgstr "La risosra è ferma in sicurezza. Il cluster non cercherà di fermare una risorsa con questo codice di ritorno per qualsiasi azione." #~ msgid "N/A" #~ msgstr "N/A" #~ msgid "8" #~ msgstr "8" #~ msgid "The resource is running in Master mode." #~ msgstr "La risorsa sta funzionando in modalità Master." #~ msgid "9" #~ msgstr "9" #~ msgid "The resource is in Master mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again." #~ msgstr "La risorsa è in modalità Master, ma ha fallito. La risorsa verrà degradata, fermata e quindi avviata (e possibilmente promossa) di nuovo." #~ msgid "other" #~ msgstr "other" #~ msgid "NA" #~ msgstr "NA" #~ msgid "Custom error code." #~ msgstr "Codice di errore personalizzato." #~ msgid "Although counter intuitive, even actions that return 0 (aka. OCF_SUCCESS) can be considered to have failed. This can happen when a resource that is expected to be in the Master state is found running as a Slave, or when a resource is found active on multiple machines.." #~ msgstr "E' facilmente intuibile come anche le azioni che restituiscono 0 (quindi OCF_SUCCESS) possono essere considerate fallite. Questo può succedere quando una risorsa attesa in stato Master venga trovata in realtà attiva ma in stato Slave, oppure quando una risorsa viene trovata attiva su più macchine." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-Samples.po000066400000000000000000000305571217637305600242010ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-06-07 11:04+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Sample Configurations" msgstr "Configurazioni di esempio" #. Tag: title #, no-c-format msgid "Empty" msgstr "" #. Tag: title #, no-c-format msgid "An Empty Configuration" msgstr "Una configurazione vuota" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" "\n" "\n" " <cib admin_epoch="0" epoch="0" num_updates="0" have-quorum="false">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "Simple" msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Simple Configuration - 2 nodes, some cluster options and a resource" msgstr "2 nodi, alcune opzioni del cluster ed una risorsa" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\" score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" " <rsc_defaults>\n" " <nvpair id="rsc-default-1" name="resource-stickiness" value="100"/>\n" " <nvpair id="rsc-default-2" name="migration-threshold" value="10"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id="xxx" uname="c001n01" type="normal"/>\n" " <node id="yyy" uname="c001n02" type="normal"/>\n" " </nodes>\n" " <resources>\n" " <primitive id="myAddr" class="ocf" provider="heartbeat" type="IPaddr">\n" " <operations>\n" " <op id="myAddr-monitor" name="monitor" interval="300s"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name="ip" value="10.0.200.30"/>\n" " </instance_attributes>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_location id="myAddr-prefer" rsc="myAddr" node="c001n01" score="INFINITY"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "In this example, we have one resource (an IP address) that we check every five minutes and will run on host c001n01 until either the resource fails 10 times or the host shuts down." msgstr "In questo esempio esiste una risorsa (un indirizzo IP) che viene controllato ogni cinque minuti. Verrà lanciata sull'host c001n01 finché o la risorsa fallirà 10 volte o l'host si spegnerà." #. Tag: title #, fuzzy, no-c-format msgid "Advanced Configuration" msgstr "Una configurazione avanzata" #. Tag: title #, fuzzy, no-c-format msgid "Advanced configuration - groups and clones with stonith" msgstr "Gruppi e cloni con STONITH" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " <nvpair id=\"option-3\" name=\"stonith-enabled\" value=\"true\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " <node id=\"zzz\" uname=\"c001n03\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <group id=\"myGroup\">\n" " <primitive id=\"database\" class=\"lsb\" type=\"oracle\">\n" " <operations>\n" " <op id=\"database-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " <primitive id=\"webserver\" class=\"lsb\" type=\"apache\">\n" " <operations>\n" " <op id=\"webserver-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " </group>\n" " <clone id=\"STONITH\">\n" " <meta_attributes id=\"stonith-options\">\n" " <nvpair id=\"stonith-option-1\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"stonithclone\" class=\"stonith\" type=\"external/ssh\">\n" " <operations>\n" " <op id=\"stonith-op-mon\" name=\"monitor\" interval=\"5s\"/>\n" " </operations>\n" " <instance_attributes id=\"stonith-attrs\">\n" " <nvpair id=\"stonith-attr-1\" name=\"hostlist\" value=\"c001n01,c001n02\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </clone>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\"\n" " score=\"INFINITY\"/>\n" " <rsc_colocation id=\"group-with-ip\" rsc=\"myGroup\" with-rsc=\"myAddr\"\n" " score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" "\n" "\n" " <cib admin_epoch="0" epoch="1" num_updates="0" have-quorum="false" validate-with="pacemaker-1.0">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id="option-1" name="symmetric-cluster" value="true"/>\n" " <nvpair id="option-2" name="no-quorum-policy" value="stop"/>\n" " <nvpair id="option-3" name="stonith-enabled" value="true"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id="op-default-1" name="timeout" value="30s"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id="rsc-default-1" name="resource-stickiness" value="100"/>\n" " <nvpair id="rsc-default-2" name="migration-threshold" value="10"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id="xxx" uname="c001n01" type="normal"/>\n" " <node id="yyy" uname="c001n02" type="normal"/>\n" " <node id="zzz" uname="c001n03" type="normal"/>\n" " </nodes>\n" " <resources>\n" " <primitive id="myAddr" class="ocf" provider="heartbeat" type="IPaddr">\n" " <operations>\n" " <op id="myAddr-monitor" name="monitor" interval="300s"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name="ip" value="10.0.200.30"/>\n" " </instance_attributes>\n" " </primitive>\n" " <group id="myGroup">\n" " <primitive id="database" class="lsb" type="oracle">\n" " <operations>\n" " <op id="database-monitor" name="monitor" interval="300s"/>\n" " </operations>\n" " </primitive>\n" " <primitive id="webserver" class="lsb" type="apache">\n" " <operations>\n" " <op id="webserver-monitor" name="monitor" interval="300s"/>\n" " </operations>\n" " </primitive>\n" " </group>\n" " <clone id="STONITH">\n" " <meta_attributes id="stonith-options">\n" " <nvpair id="stonith-option-1" name="globally-unique" value="false"/>\n" " </meta_attributes>\n" " <primitive id="stonithclone" class="stonith" type="external/ssh">\n" " <operations>\n" " <op id="stonith-op-mon" name="monitor" interval="5s"/>\n" " </operations>\n" " <instance_attributes id="stonith-attrs">\n" " <nvpair id="stonith-attr-1" name="hostlist" value="c001n01,c001n02"/>\n" " </instance_attributes>\n" " </primitive>\n" " </clone>\n" " </resources>\n" " <constraints>\n" " <rsc_location id="myAddr-prefer" rsc="myAddr" node="c001n01" score="INFINITY"/>\n" " <rsc_colocation id="group-with-ip" rsc="myGroup" with-rsc="myAddr" score="INFINITY"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" "\t" #~ msgid "An empty configuration" #~ msgstr "Una configurazione vuota" #~ msgid "A Simple Configuration" #~ msgstr "Una semplice configurazione" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-Upgrade-Config.po000066400000000000000000000322271217637305600253630ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-05 15:32+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading the Configuration from 0.6" msgstr "Aggiornare la configurazione dalla versione 0.6" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Preparazione" #. Tag: para #, no-c-format msgid " Upgrading the Configuration ConfigurationUpgrading Upgrading " msgstr "" #. Tag: para #, no-c-format msgid " DownloadDTD DTD DTDDownload Download " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Download the latest DTD and ensure your configuration validates." msgstr "Scaricare l'ultimo DTD da ed assicurarsi che la propria configurazione venga validata." #. Tag: title #, no-c-format msgid "Perform the upgrade" msgstr "Effettuale l'aggiornamento" #. Tag: title #, no-c-format msgid "Upgrade the software" msgstr "Aggiornamento del software" #. Tag: para #, no-c-format msgid "Refer to the appendix: " msgstr "Riferirsi all'appendice " #. Tag: title #, no-c-format msgid "Upgrade the Configuration" msgstr "Aggiornare la configurazione" #. Tag: para #, no-c-format msgid "As XML is not the friendliest of languages, it is common for cluster administrators to have scripted some of their activities. In such cases, it is likely that those scripts will not work with the new 1.0 syntax." msgstr "Dato che XM non è il più amichevole dei linguaggi è pratica comune per gli amministratori del cluster creare script per le proprie attività. In questi casi c'è da aspettarsi che tali script non funzionino con la sintassi della versione 1.0." #. Tag: para #, no-c-format msgid "In order to support such environments, it is actually possible to continue using the old 0.6 syntax." msgstr "Al fine di supportare tali ambienti, è possibile continuare ad utilizzare la vecchia sintassi 0.6." #. Tag: para #, fuzzy, no-c-format msgid "The downside is, however, that not all the new features will be available and there is a performance impact since the cluster must do a non-persistent configuration upgrade before each transition. So while using the old syntax is possible, it is not advisable to continue using it indefinitely." msgstr "Gli aspetti negativi sono che non tutte le nuove funzionalità saranno disponibili e si verificherà un impatto sulle performance, visto che il cluster deve effettuare una aggiornamento di configurazione non persistente prima di ogni transizione. Quindi sebbene l'utilizzo della vecchia sintassi è consentito, non è consigliabile utilizzarlo continuativamente." #. Tag: para #, no-c-format msgid "Even if you wish to continue using the old syntax, it is advisable to follow the upgrade procedure to ensure that the cluster is able to use your existing configuration (since it will perform much the same task internally)." msgstr "Anche se il proprio desiderio è quello di utilizzare la vecchia sintassi, è consigliabile seguire la procedura di upgrade per assicurarsi che il cluster sia capace di utilizzare la configurazione attuale (visto che internamente effettuerà praticamente la stessa operazione)." #. Tag: para #, no-c-format msgid "Create a shadow copy to work with" msgstr "Creare di una copia shadow del proprio lavoro con" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --create upgrade06" msgstr "crm_shadow --create upgrade06" #. Tag: para #, no-c-format msgid "Verify the configuration is valid ConfigurationVerify Verify VerifyConfiguration Configuration " msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_verify --live-check" msgstr "crm_verify --live-check" #. Tag: para #, no-c-format msgid "Fix any errors or warnings" msgstr "Correggere eventuali errori o allerta" #. Tag: para #, fuzzy, no-c-format msgid "Perform the upgrade:" msgstr "Effettuale l'aggiornamento" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --upgrade" msgstr "cibadmin --upgrade" #. Tag: para #, fuzzy, no-c-format msgid "If this step fails, there are three main possibilities:" msgstr "Se questo passo fallisce il motivo potrebbe essere uno fra questi" #. Tag: para #, no-c-format msgid "The configuration was not valid to start with - go back to step 2" msgstr "La configurazione non è valida per l'avvio - tornare al passo 2" #. Tag: para #, fuzzy, no-c-format msgid "The transformation failed - report a bug or email the project" msgstr "La trasformazione è fallita - segnalare un bug o scrivere un'email al progetto presso pacemaker@oss.clusterlabs.org" #. Tag: para #, fuzzy, no-c-format msgid "The transformation was successful but produced an invalid result The most common reason is ID values being repeated or invalid. Pacemaker 1.0 is much stricter regarding this type of validation. " msgstr "La trasformazione ha avuto successo, ma ha prodotto risultati invalidi La ragione più comune è che i valori di ID siano ripetuti o invalidi. Pacemaker 1.0 è molto più rigido riguardo a questi tipi di validazione " #. Tag: para #, fuzzy, no-c-format msgid "If the result of the transformation is invalid, you may see a number of errors from the validation library. If these are not helpful, visit http://clusterlabs.org/wiki/Validation_FAQ and/or try the procedure described below under " msgstr "Se il risultato della trasformazione è invalido, si potrebbero notare diversi errori dalla libreria di validazione. Se questi non risultano essere d'aiuto vedere e/o provare la procedura descritta più avanti sotto ." #. Tag: para #, no-c-format msgid "Check the changes" msgstr "Verificare le modifiche" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --diff" msgstr "crm_shadow --diff" #. Tag: para #, no-c-format msgid "If at this point there is anything about the upgrade that you wish to fine-tune (for example, to change some of the automatic IDs) now is the time to do so. Since the shadow configuration is not in use by the cluster, it is safe to edit the file manually:" msgstr "Se a questo punto si necessita di approfondire altro in merio all'aggioramento (ad esempio cambiare qualcuno degli ID automatici) questo è il momento. Dal momento che la configurazione shadow non è utilizzata dal cluster è possibile modificare il file manualmenee." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --edit" msgstr "crm_shadow --edit" #. Tag: para #, fuzzy, no-c-format msgid "This will open the configuration in your favorite editor (whichever is specified by the standard $EDITOR environment variable)" msgstr "Aprirà la configurazione nel proprio editor preferito (o in quello specificato alla variabile d'abiente) EDITOR" #. Tag: para #, no-c-format msgid "Preview how the cluster will react" msgstr "Presenterà un'anteprima delle azioni del cluster" #. Tag: para #, no-c-format msgid "Test what the cluster will do when you upload the new configuration" msgstr "Controlla quello che fa il cluster quando viene caricata la nuova configurazione" #. Tag: programlisting #, no-c-format msgid "" "# crm_simulate --live-check --save-dotfile upgrade06.dot -S\n" "# graphviz upgrade06.dot" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Verify that either no resource actions will occur or that you are happy with any that are scheduled. If the output contains actions you do not expect (possibly due to changes to the score calculations), you may need to make further manual changes. See for further details on how to interpret the output of crm_simulate" msgstr "Verifica che non avvenga nessuna delle azioni relative alle risorse o e che quelle schedulate rispettino le proprioe intenzioni. Se l'output contiene azioni inattese (verosimilmente sui punteggi calcolati) potrebbero essere necessari ulteriori modifiche manuali. Vedere per altri ettagli su come interpretare più ptest." #. Tag: para #, no-c-format msgid "Upload the changes" msgstr "Applicare le modifiche" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --commit upgrade06 --force" msgstr "crm_shadow --commit upgrade06 --force" #. Tag: para #, no-c-format msgid "If this step fails, something really strange has occurred. You should report a bug." msgstr "Se il passo fallisce, p accaduto qualcosa di veramente strano. Biosgnerebbe quindi riportare un Bug" #. Tag: title #, no-c-format msgid "Manually Upgrading the Configuration" msgstr "Aggiornamento manuale della configurazione" #. Tag: para #, no-c-format msgid " ConfigurationUpgrade manually Upgrade manually It is also possible to perform the configuration upgrade steps manually. To do this" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Locate the upgrade06.xsl conversion script or download the latest version from Git" msgstr "Recuperare lo script di conversione upgrade06.xsl oppure scaricare l'ultima versione da version control" #. Tag: para #, no-c-format msgid "Convert the XML blob: XMLConvert Convert " msgstr "" #. Tag: programlisting #, no-c-format msgid "# xsltproc /path/to/upgrade06.xsl config06.xml > config10.xml" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Locate the pacemaker.rng script." msgstr "Individuare lo script pacemaker.rng." #. Tag: para #, no-c-format msgid "Check the XML validity: Validate Configuration ConfigurationValidate XML Validate XML " msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "# xmllint --relaxng /path/to/pacemaker.rng config10.xml" msgstr "xmllint --relaxng /path/tp/pacemaker.rng config10.xml" #. Tag: para #, no-c-format msgid "The advantage of this method is that it can be performed without the cluster running and any validation errors should be more informative (despite being generated by the same library!) since they include line numbers." msgstr "Il vantaggio di questo metodo è che può essere eseguito senza che il cluster sia attivo e qualsiasi errore di validazione dovrebbe risultare esplicativo (sebbene generato dalla stessa libreria!) dato che ciascuna riga è numerata." #~ msgid "Verify the configuration is valid" #~ msgstr "Verificare la validità della configurazione" #~ msgid "ptest -VVVVV --live-check --save-dotfile upgrade06.dot" #~ msgstr "ptest -VVVVV --live-check --save-dotfile upgrade06.dot" #~ msgid "graphviz upgrade06.dot" #~ msgstr "graphviz upgrade06.dot" #~ msgid "It is also possible to perform the configuration upgrade steps manually. To do this" #~ msgstr "E' inoltre possibile eseguire la procedura di aggiornamento manualmente. Per farlo" #~ msgid "xsltproc /path/tp/upgrade06.xsl config06.xml > config10.xml" #~ msgstr "xsltproc /path/tp/upgrade06.xsl config06.xml > config10.xml" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ap-Upgrade.po000066400000000000000000000367061217637305600241660ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-04 11:11+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading Cluster Software" msgstr "Aggiornare il software del cluster" #. Tag: title #, no-c-format msgid "Version Compatibility" msgstr "Compatibilità delle versioni" #. Tag: para #, fuzzy, no-c-format msgid "When releasing newer versions we take care to make sure we are backwards compatible with older versions. While you will always be able to upgrade from version x to x+1, in order to continue to produce high quality software it may occasionally be necessary to drop compatibility with older versions." msgstr "Quando viene rilasciata una nuova versione viene posta estrema attenzione alla compatibilità con le versioni passate. Mentre sarà sempre possibile aggiornare dalla versione X alla X+1, la compatibilità con le versioni più vecchie, per garantire sempre software di alta qualità, potrebbe occasionalmente essere rimossa." #. Tag: para #, no-c-format msgid "There will always be an upgrade path from any series-2 release to any other series-2 release." msgstr "Ci sarà sempre percorso di aggiornamento da qualsiasi versione serie-2 a qualsiasi altra versione serie-2." #. Tag: para #, fuzzy, no-c-format msgid "There are three approaches to upgrading your cluster software:" msgstr "Esistono tre approcci per aggiornare il proprio software cluster" #. Tag: para #, no-c-format msgid "Complete Cluster Shutdown" msgstr "Completo spegnimento del cluster" #. Tag: para #, no-c-format msgid "Rolling (node by node)" msgstr "Rolling (nodo dopo nodo)" #. Tag: para #, no-c-format msgid "Disconnect and Reattach" msgstr "Disconnessione e riaggancio" #. Tag: para #, no-c-format msgid "Each method has advantages and disadvantages, some of which are listed in the table below, and you should chose the one most appropriate to your needs." msgstr "Ogni metodo ha vantaggi e svantaggi, alcuni dei quali sono elencati nella tabella sotto, ed è necessario scegliere l'approccio più adatto alle proprie esigenze." #. Tag: title #, no-c-format msgid "Summary of Upgrade Methodologies" msgstr "Riepilogo delle metodologie di aggiornamento" #. Tag: entry #, no-c-format msgid "Type" msgstr "Tipo" #. Tag: entry #, no-c-format msgid "Available between all software versions" msgstr "Disponibile fra tutte le versioni del software" #. Tag: entry #, no-c-format msgid "Service Outage During Upgrade" msgstr "Interruzione del servizio in fase di aggiornamento" #. Tag: entry #, no-c-format msgid "Service Recovery During Upgrade" msgstr "Ripristino del servizio in fase di aggiornamento" #. Tag: entry #, no-c-format msgid "Exercises Failover Logic/Configuration" msgstr "Esercizi di Logica Di Failover/Configurazione" #. Tag: entry #, fuzzy, no-c-format msgid "Allows change of cluster stack type ClusterSwitching between Stacks Switching between Stacks Changing Cluster Stack For example, switching from Heartbeat to Corosync. Consult the Heartbeat or Corosync documentation to see if upgrading them to a newer version is also supported. " msgstr "Consente cambiamenti nel tipo di cluster stack Ad esempio, lo switch da Heartbeat a Corosync. Consultate la documentazione di Heartbeat e Corosync per vedere se l'aggiornamento ad una nuova versione è supportato " #. Tag: para #, no-c-format msgid "Shutdown UpgradeShutdown Shutdown Shutdown Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "yes" msgstr "sì" #. Tag: para #, no-c-format msgid "always" msgstr "sempre" #. Tag: para #, no-c-format msgid "N/A" msgstr "N/A" #. Tag: para #, no-c-format msgid "no" msgstr "no" #. Tag: para #, no-c-format msgid "Rolling UpgradeRolling Rolling Rolling Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "Reattach UpgradeReattach Reattach Reattach Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "only due to failure" msgstr "solo in seguito a fallimenti" #. Tag: para #, no-c-format msgid "In this scenario one shuts down all cluster nodes and resources and upgrades all the nodes before restarting the cluster." msgstr "In questo scenario tutti i nodi del cluster e le risorse vengono spenti, vengono aggiornati tutti i nodi prima di riattivare il cluster." #. Tag: title #, no-c-format msgid "Procedure" msgstr "Procedura" #. Tag: para #, no-c-format msgid "On each node:" msgstr "Su ciascun nodo:" #. Tag: para #, no-c-format msgid "Shutdown the cluster stack (Heartbeat or Corosync)" msgstr "Spegnimento dello stack del cluster (Heartbeat o Corosync)" #. Tag: para #, no-c-format msgid "Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system." msgstr "Aggiornamento del software Pacemaker. Questo potrebbe includere l'aggiornamento dello stack del cluster e/o del sistema operativo." #. Tag: para #, fuzzy, no-c-format msgid "Check the configuration manually or with the crm_verify tool if available." msgstr "Controllo manuale della configurazione o attraverso crm_verify se disponibile." #. Tag: para #, no-c-format msgid "Start the cluster stack. This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "Avvio dello stack del cluster. Questo può essere Corosync o Heartbeat e non necessità di essere lo stesso stack precedentemente utilizzato." #. Tag: para #, no-c-format msgid "In this scenario each node is removed from the cluster, upgraded and then brought back online until all nodes are running the newest version." msgstr "In questo scenario ogni nodo viene rimosso dal cluster, aggiornato e riportato online finché tutti i nodi stanno funzionando con la nuova versione." #. Tag: para #, fuzzy, no-c-format msgid "This method is currently broken between Pacemaker 0.6.x and 1.0.x." msgstr "Questo metodo attualmente non funziona da Pacemaker 0.6.x a 1.0.x" #. Tag: para #, fuzzy, no-c-format msgid "Measures have been put into place to ensure rolling upgrades always work for versions after 1.0.0. Please try one of the other upgrade strategies. Detach/Reattach is a particularly good option for most people." msgstr "Sono state messe in atto misure per assicurarsi che gli aggiornamenti di tipo rolling funzionino sempre per versioni successive alla 1.0.0. Se ci sarà abbastanza richiesta la riparazione della compatibilità da 0.6 a 1.0 verrà affrontata. Altrimenti, sarà necessario utilizzare una delle altre soluzioni di upgrade. L'opzione Detach/Reattach risulta ottimale per diverse persone." #. Tag: para #, no-c-format msgid "On each node: . Shutdown the cluster stack (Heartbeat or Corosync) . Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system. .. On the first node, check the configuration manually or with the crm_verify tool if available. .. Start the cluster stack." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "+ This must be the same type of cluster stack (Corosync or Heartbeat) that the rest of the cluster is using. Upgrading Corosync/Heartbeat may also be possible, please consult the documentation for those projects to see if the two versions will be compatible." msgstr "Avvio dello stack del cluster. Questo deve essere lo stesso tipo di stack (Corosync o Heartbeat) che il resto del cluster sta usando. Potrebbe anche essere possibile aggiornare Corosync/Heartbeat, verificare consultando la documentazione di questi progetti che le due versioni siano compatibili." #. Tag: para #, fuzzy, no-c-format msgid "+ .. Repeat for each node in the cluster." msgstr "Ripetere per ciascun nodo del cluster" #. Tag: title #, no-c-format msgid "Version Compatibility Table" msgstr "Tabella della compatibilità delle versioni" #. Tag: entry #, no-c-format msgid "Version being Installed" msgstr "Versione da installare" #. Tag: entry #, no-c-format msgid "Oldest Compatible Version" msgstr "Ultima versione compatibile" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.x" msgstr "Pacemaker 1.0.x" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.0" msgstr "Pacemaker 1.0.0" #. Tag: para #, no-c-format msgid "Pacemaker 0.7.x" msgstr "Pacemaker 0.7.x" #. Tag: para #, no-c-format msgid "Pacemaker 0.6 or Heartbeat 2.1.3" msgstr "Pacemaker 0.6 o Heartbeat 2.1.3" #. Tag: para #, no-c-format msgid "Pacemaker 0.6.x" msgstr "Pacemaker 0.6.x" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.8" msgstr "Heartbeat 2.0.8" #. Tag: para #, no-c-format msgid "Heartbeat 2.1.3 (or less)" msgstr "Heartbeat 2.1.3 (o precedenti)" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4" msgstr "Heartbeat 2.0.4" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4 (or less)" msgstr "Heartbeat 2.0.4 (o precedenti)" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.0" msgstr "Heartbeat 2.0.0" #. Tag: para #, no-c-format msgid "None. Use an alternate upgrade strategy." msgstr "Nessuna. Utilizzare una diversa strategia di aggiornamento." #. Tag: title #, no-c-format msgid "Crossing Compatibility Boundaries" msgstr "Limiti di compatibilità" #. Tag: para #, no-c-format msgid "Rolling upgrades that cross compatibility boundaries must be preformed in multiple steps. For example, to perform a rolling update from Heartbeat 2.0.1 to Pacemaker 0.6.6 one must:" msgstr "Aggiornamenti rolling che attraversano i limiti di compatibilità devono essere effettuati in diversi passi. Ad esempio, per effettuare un aggiornameno rolling da Heartbeat 2.0.1 a Pacemaker 0.6.6 i passi sono:" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.1 to Heartbeat 2.0.4" msgstr "Effettuare un aggiornamento rolling da Heartbeat 2.0.1 a Heartbeat 2.0.4" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.4 to Heartbeat 2.1.3" msgstr "Effettuare un aggiornamento rolling da Heartbeat 2.0.4 a Heartbeat 2.1.3" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.1.3 to Pacemaker 0.6.6" msgstr "Effettuare un aggiornamento rolling da Heartbeat 2.1.3 a Pacemaker 0.6.6" #. Tag: para #, fuzzy, no-c-format msgid "A variant of a complete cluster shutdown, but the resources are left active and get re-detected when the cluster is restarted." msgstr "Una variante dello spegnimento completo del cluster, le risorse vengono lasciate attive e ri scoperte all'avvio del cluster." #. Tag: para #, fuzzy, no-c-format msgid "Tell the cluster to stop managing services." msgstr "Abilitazione del cluster a gestire nuovamente le risorse" #. Tag: para #, fuzzy, no-c-format msgid "This is required to allow the services to remain active after the cluster shuts down." msgstr "Comunicare al cluster di smettere di gestire i servizi. Ciò è richiesto per abilitare i servizi a rimanere attivi dopo che il cluster è stato spento." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v false" msgstr "crm_attribute -t crm_config -n is-managed-default -v false " #. Tag: para #, fuzzy, no-c-format msgid "For any resource that has a value for is-managed, make sure it is set to false (so that the cluster will not stop it)" msgstr "Per qualsiasi risorsa il cui campo \"is-managed\" è valorizzato , assicurarsi che questo sia impostato a \"false\" (in modo che il cluster non la fermi)" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v false" msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false" #. Tag: para #, no-c-format msgid "Upgrade the cluster stack program - This may also include upgrading the underlying operating system." msgstr "Programma di aggiornamento dello stack del Cluster - Questo potrebbe includere l'aggiornamento del sistema operativo." #. Tag: para #, no-c-format msgid "Start the cluster stack." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "Avvio dello stack del cluster. Questo può essere Corosync o Heartbeat e non necessità di essere lo stesso stack precedentemente utilizzato." #. Tag: para #, fuzzy, no-c-format msgid "Verify that the cluster re-detected all resources correctly." msgstr "Verifica della corretta individuazione di tutte le risorse" #. Tag: para #, fuzzy, no-c-format msgid "Allow the cluster to resume managing resources again:" msgstr "Abilitazione del cluster a gestire nuovamente le risorse" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v true" msgstr "crm_attribute -t crm_config -n is-managed-default -v true " #. Tag: para #, fuzzy, no-c-format msgid "For any resource that has a value for is-managed reset it to true (so the cluster can recover the service if it fails) if desired:" msgstr "Reset a \"true\" del valore \"is-managed\" per ogni risorsa (in modo che il cluster possa ripristinare il servizio se questo fallisce)" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v true" msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false" #. Tag: title #, no-c-format msgid "Notes" msgstr "Note" #. Tag: para #, no-c-format msgid "Always check your existing configuration is still compatible with the version you are installing before starting the cluster." msgstr "Controllare sempre che la propria configurazione sia sempre compatibile con la versione che si sta installando prima di avviare il cluster." #. Tag: para #, no-c-format msgid "The oldest version of the CRM to support this upgrade type was in Heartbeat 2.0.4" msgstr "La versione più vecchia del CRM che supporta questo tipo di aggiornamento è presente in Heartbeat 2.0.4" #~ msgid "Shutdown" #~ msgstr "Spegnimento" #~ msgid "Rolling" #~ msgstr "Rolling" #~ msgid "Reattach" #~ msgstr "Riaggancio" #~ msgid "Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system.." #~ msgstr "Aggiornamento del software Pacemaker. Questo potrebbe includere l'aggiornamento dello stack del cluster e/o del sistema operativo sottostante." #~ msgid "On the first node, check the configuration manually or with the crm_verify tool if available." #~ msgstr "Sul primo nodo, controllare la configurazione manualmente o via crm_verify, se disponibile." #~ msgid "crm_resource -t primitive -r <rsc_id> -p is-managed -v false " #~ msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false " pacemaker-master/doc/Pacemaker_Explained/it-IT/Author_Group.po000066400000000000000000000036201217637305600246440ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-05-04 09:59+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "Red Hat" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "" #. Tag: firstname #, no-c-format msgid "Philipp" msgstr "" #. Tag: surname #, no-c-format msgid "Marek" msgstr "" #. Tag: orgname #, no-c-format msgid "LINBit" msgstr "" #. Tag: contrib #, no-c-format msgid "Style and formatting updates. Indexing." msgstr "" #. Tag: firstname #, no-c-format msgid "Tanja" msgstr "" #. Tag: surname #, no-c-format msgid "Roth" msgstr "" #. Tag: orgname #, no-c-format msgid "SUSE" msgstr "" #. Tag: contrib #, no-c-format msgid "Utilization chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Resource Templates chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Multi-Site Clusters chapter" msgstr "" #. Tag: firstname #, no-c-format msgid "Lars" msgstr "" #. Tag: surname #, no-c-format msgid "Marowsky-Bree" msgstr "" #. Tag: firstname #, no-c-format msgid "Yan" msgstr "" #. Tag: surname #, no-c-format msgid "Gao" msgstr "" #. Tag: firstname #, no-c-format msgid "Thomas" msgstr "" #. Tag: surname #, no-c-format msgid "Schraitle" msgstr "" #. Tag: firstname #, no-c-format msgid "Dejan" msgstr "" #. Tag: surname #, no-c-format msgid "Muhamedagic" msgstr "" pacemaker-master/doc/Pacemaker_Explained/it-IT/Book_Info.po000066400000000000000000000052131217637305600240730ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-04-07 13:27+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Explained" msgstr "Configuration Explained" #. Tag: subtitle #, fuzzy, no-c-format msgid "An A-Z guide to Pacemaker's Configuration Options" msgstr "Una guida dalla A alla Z alle opzioni di configurazione di Pacemaker" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "Pacemaker" #. Tag: para #, fuzzy, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "Lo scopo di questo documento e di spiegare definitivamente i concetti utilizzati per configurare Pacemaker. Per ottenere il risultato migliore, si focalizzerà esclusivamente sulla sintassi XML utilizzata per configurare il CIB" #. Tag: para #, fuzzy, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "Per tutti gli allergici ad XML Pacemaker dispone di una cluster shell ed una GUI scritta in Python, ma questi strumenti non verranno assolutamente trattati in questo documento Si spera comunque che attraverso l'apprendimento dei concetti spiegati qui le funzionalità di questi strumenti possano essere compresi ancora meglio. , in particolare perché questi nascondono l'XML." #. Tag: para #, fuzzy, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster. Try the Clusters from Scratch document instead." msgstr "In aggiunta, questo documento NON E' una guida passo passo per configurare specifici scenari cluster. Sebbene queste guide esistano, lo scopo di questo documento è di far acquisire fondamentea che possano essere utilizzate per costruire qualsiasi tipo di cluster Pacemaker." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Advanced-Options.po000066400000000000000000002037101217637305600257160ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2011-10-12 10:17+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Configuration" msgstr "Configurazione avanzata" #. Tag: title #, fuzzy, no-c-format msgid "Connecting from a Remote Machine" msgstr "Connessione alla configurazione del cluster da una macchina remota" #. Tag: para #, no-c-format msgid " ClusterRemote connection Remote connection ClusterRemote administration Remote administration " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Provided Pacemaker is installed on a machine, it is possible to connect to the cluster even if the machine itself is not in the same cluster. To do this, one simply sets up a number of environment variables and runs the same commands as when working on a cluster node." msgstr "Supponendo che Pacemaker sia installato su una macchina, è possibile collegarsi al cluster anche se questa non è parte di esso. Per farlo è sufficiente valorizzare alcune variabili d'ambiente ed eseguire gli stessi comandi che si eseguirebbero su un nodo del cluster." #. Tag: title #, no-c-format msgid "Environment Variables Used to Connect to Remote Instances of the CIB" msgstr "Variabili d'ambiente utilizzate per connettersi ad istanze remote del CIB" #. Tag: entry #, no-c-format msgid "Environment Variable" msgstr "Variabile d'ambiente" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "CIB_user" msgstr "" #. Tag: para #, no-c-format msgid "The user to connect as. Needs to be part of the hacluster group on the target host. Defaults to $USER. Environment VariableCIB_user CIB_user " msgstr "" #. Tag: para #, no-c-format msgid "CIB_passwd" msgstr "" #. Tag: para #, no-c-format msgid "The user’s password. Read from the command line if unset. Environment VariableCIB_passwd CIB_passwd " msgstr "" #. Tag: para #, no-c-format msgid "CIB_server" msgstr "" #. Tag: para #, no-c-format msgid "The host to contact. Defaults to localhost. Environment VariableCIB_server CIB_server " msgstr "" #. Tag: para #, no-c-format msgid "CIB_port" msgstr "" #. Tag: para #, no-c-format msgid "The port on which to contact the server; required. Environment VariableCIB_port CIB_port " msgstr "" #. Tag: para #, no-c-format msgid "CIB_encrypted" msgstr "" #. Tag: para #, no-c-format msgid "Encrypt network traffic; defaults to true. Environment VariableCIB_encrypted CIB_encrypted " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "So, if c001n01 is an active cluster node and is listening on 1234 for connections, and someguy is a member of the hacluster group, then the following would prompt for someguy's password and return the cluster’s current configuration:" msgstr "Quindi se c001n01 è un nodo del cluster attivo in ascolto alle connessioni sulla porta 1234 e someguy è un parte del gruppo hacluster, allora di seguito verrà richiesta la password e restituito lo stato della configurazione del cluster:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy;\n" "# cibadmin -Q" msgstr "" "\n" "\t\n" " export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy;\n" " cibadmin -Q\n" "\t\n" " " #. Tag: para #, fuzzy, no-c-format msgid "For security reasons, the cluster does not listen for remote connections by default. If you wish to allow remote access, you need to set the remote-tls-port (encrypted) or remote-clear-port (unencrypted) top-level options (ie., those kept in the cib tag, like num_updates and epoch)." msgstr "Per ragioni di sicurezza il cluster non è per default in ascolto alle connessioni remote. Per abilitare l'accesso remoto è necessario impostare le opzioni top-level (ad esempio quelle dichiarate nel tag cib, come num_updates e epoch) remote-tls-port (criptato) o remote-clear-port (non criptato) ." #. Tag: title #, no-c-format msgid "Extra top-level CIB options for remote access" msgstr "Opzioni top-level extra per l'accesso remoto" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: para #, fuzzy, no-c-format msgid "remote-tls-port" msgstr "remote-tls-port" #. Tag: para #, no-c-format msgid "Listen for encrypted remote connections on this port. Default: none remote-tls-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-tls-port Optionremote-tls-port remote-tls-port " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "remote-clear-port" msgstr "remote-clear-port" #. Tag: para #, no-c-format msgid "Listen for plaintext remote connections on this port. Default: none remote-clear-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-clear-port Optionremote-clear-port remote-clear-port " msgstr "" #. Tag: title #, no-c-format msgid "Specifying When Recurring Actions are Performed" msgstr "Specificare tempistiche per le azioni ricorrenti" #. Tag: para #, no-c-format msgid "By default, recurring actions are scheduled relative to when the resource started. So if your resource was last started at 14:32 and you have a backup set to be performed every 24 hours, then the backup will always run at in the middle of the business day - hardly desirable." msgstr "Per default, le operazioni ricorrenti vengono schedulate quando le risorse relative sono avviate. Quindi se una risorsa è stata avviata l'ultima volta alle 14:32 ed è stata dichiarata un'operazione di backup che deve essere eseguita ogni 24 ore, allora tale backup verrà eseguito sempre nel mezzo di un giorno lavorativo, il che non è particolarmente desiderabile..." #. Tag: para #, fuzzy, no-c-format msgid "To specify a date/time that the operation should be relative to, set the operation’s interval-origin. The cluster uses this point to calculate the correct start-delay such that the operation will occur at origin + (interval * N)." msgstr "Per dichiarare tempistiche specifiche a cui le operazioni devono riferirsi l'opzione di riferimento è interval-origin. Il cluster utilizza questo punto di partenza per calcolare il corretto start-delay con cui l'operazione dovrà essere eseguita (interval + N)." #. Tag: para #, fuzzy, no-c-format msgid "So, if the operation’s interval is 24h, it’s interval-origin is set to 02:00 and it is currently 14:32, then the cluster would initiate the operation with a start delay of 11 hours and 28 minutes. If the resource is moved to another node before 2am, then the operation is of course cancelled." msgstr "Quindi se l'intervallo dell'operazione è 24 ore, il relativo interval-origin è 02:00 e l'orario attuale è 14:32, allore il cluster avvierà le operazioni con un ritardo di 11 ore e 28 minuti. Se la risorsa viene spostata su un altro nodo prima delle 2, allora l'operazione è ovviamente cancellata." #. Tag: para #, no-c-format msgid "The value specified for interval and interval-origin can be any date/time conforming to the ISO8601 standard. By way of example, to specify an operation that would run on the first Monday of 2009 and every Monday after that you would add:" msgstr "Il valore specificato per interval e interval-origin può essere un qualsiasi date/time conforme allo standard ISO8601. Facendo un esempio, per dichiarare un'operazione che verrà eseguita il primo lunedì del 2009 ed ogni lunedì successivo bisognerà aggiungere:" #. Tag: title #, no-c-format msgid "Specifying a Base for Recurring Action Intervals" msgstr "Specificare una base di partenza per gli intervalli relativi alle azioni ricorrenti" #. Tag: programlisting #, fuzzy, no-c-format msgid "<op id=\"my-weekly-action\" name=\"custom-action\" interval=\"P7D\" interval-origin=\"2009-W01-1\"/>" msgstr "" "\n" " <op id="my-weekly-action" name="custom-action" interval="P7D" interval-origin="2009-W01-1"/>\n" "\t" #. Tag: title #, no-c-format msgid "Moving Resources" msgstr "Spostare le risorse" #. Tag: para #, no-c-format msgid " MovingResources Resources ResourceMoving Moving " msgstr "" #. Tag: title #, no-c-format msgid "Manual Intervention" msgstr "Intervenire manualmente" #. Tag: para #, fuzzy, no-c-format msgid "There are primarily two occasions when you would want to move a resource from it’s current location: when the whole node is under maintenance, and when a single resource needs to be moved." msgstr "Esistono due casi in cui potrebbe essere necessario spostare una risorsa dalla posizione attuale: quando l'intero nodo è in manutenzione e quando una singola risorsa necessita di essere spostata." #. Tag: para #, fuzzy, no-c-format msgid "Since everything eventually comes down to a score, you could create constraints for every resource to prevent them from running on one node. While the configuration can seem convoluted at times, not even we would require this of administrators." msgstr "Nel caso in cui tutto necessita di essere spostato, dato che tutto si riduce ad un punteggio, è possibile creare una constraint per ciascuna riosrsa per prevenire che questa venga eseguita sul nodo. Questo approccio può sembrare contorto, ma difficilmente ci si troverà nella condizione di doverlo utilizzare." #. Tag: para #, fuzzy, no-c-format msgid "Instead one can set a special node attribute which tells the cluster \"don’t let anything run here\". There is even a helpful tool to help query and set it, called crm_standby. To check the standby status of the current machine, simply run:" msgstr "Infatti è possibile valorizzare un attributo del nodo che indica al cluster di non lasciare nessun processo su di esso. Esiste un comando per facilitare l'interrogazione ed il settaggio di questa condizione chiamato crm_standby. Per controllare che un lo stato standby della macchina è sufficiente lanciare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value" msgstr "crm_standby --get-value" #. Tag: para #, no-c-format msgid "A value of true indicates that the node is NOT able to host any resources, while a value of false says that it CAN." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "You can also check the status of other nodes in the cluster by specifying the --node-uname option:" msgstr "Il valore true indica che il nodo NON è in grado di erogare alcuna risorsa, mentr eil valore false indica che PUO'. E' possibile inoltre controllare lo stato degli altri nodi specificando l'opzione --node-uname. Ad esempio" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value --node-uname sles-2" msgstr "crm_standby --get-value --node-uname sles-2" #. Tag: para #, fuzzy, no-c-format msgid "To change the current node’s standby status, use --attr-value instead of --get-value." msgstr "Per cambiare lo stato standby del nodo attuale è possibile utilizzare --attr-value invece di --get-value ad esempio" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --attr-value" msgstr "crm_standby --attr-value" #. Tag: para #, fuzzy, no-c-format msgid "Again, you can change another host’s value by supplying a host name with --node-uname." msgstr "Nuovamente, è possibile cambiare il valore di un altro host fornendo un nome al parametro --node-uname." #. Tag: para #, fuzzy, no-c-format msgid "When only one resource is required to move, we do this by creating location constraints. However, once again we provide a user friendly shortcut as part of the crm_resource command, which creates and modifies the extra constraints for you. If Email was running on sles-1 and you wanted it moved to a specific location, the command would look something like:" msgstr "Quando è necessario spostare una sola risorsa è possibile creare una location constraint. Ad ogni modo esiste un via più rapida mediante il comando crm_resource che crea e modifica extra constraint in autonomia. Se si vuole spostare in una determinata posizione Email operativa su sles-1 il comando sarà:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -M -r Email -H sles-2" msgstr "crm_resource -M -r Email -H sles-2" #. Tag: para #, no-c-format msgid "Behind the scenes, the tool will create the following location constraint:" msgstr "Dietro le quinte il comando creerà la seguente location constraint:" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-2\" score=\"INFINITY\"/>" msgstr "<rsc_location rsc="Email" node="sles-1" score="-INFINITY"/>" #. Tag: para #, fuzzy, no-c-format msgid "It is important to note that subsequent invocations of crm_resource -M are not cumulative. So, if you ran these commands" msgstr "E' importante notare che successive invocazioni di crm_resource -M non saranno cumulative. Quindi se il comando successivo sarà:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource -M -r Email -H sles-2\n" "# crm_resource -M -r Email -H sles-3" msgstr "crm_resource -M -r Email -H sles-2" #. Tag: para #, no-c-format msgid "then it is as if you had never performed the first command." msgstr "allora risulterà come se il primo comando non fosse mai stato eseguito." #. Tag: para #, no-c-format msgid "To allow the resource to move back again, use:" msgstr "Per permettere ad una risorsa di essere nuovamente spostata è possibile utilizzare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -U -r Email" msgstr "crm_resource -U -r Email" #. Tag: para #, fuzzy, no-c-format msgid "Note the use of the word allow. The resource can move back to its original location but, depending on resource-stickiness, it might stay where it is. To be absolutely certain that it moves back to sles-1, move it there before issuing the call to crm_resource -U:" msgstr "Da notare l'uso della parola permettere. La risorsa potrà spostarsi nuovamente nella sua posizione originaria ma, dipendentemente dal valore di stickiness, potrebbe rimanere dov'è. Per essere assolutamente certi che essa venga spostata nuovamente su sles-1 bisognerà spostarla prima di invocare la chiamata a crm_resource -U:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource -M -r Email -H sles-1\n" "# crm_resource -U -r Email" msgstr "crm_resource -M -r Email -H sles-1" #. Tag: para #, no-c-format msgid "Alternatively, if you only care that the resource should be moved from its current location, try" msgstr "Alternativamente, se l'unica esigenza è quella di spostare la risorsa dalla posizione attuale si può provare con" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -M -r Email`" msgstr "crm_resource -M -r Email" #. Tag: para #, fuzzy, no-c-format msgid "Which will instead create a negative constraint, like" msgstr "Che creerà invece una constraint negativa. Ad esempio:" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-1\" score=\"-INFINITY\"/>" msgstr "<rsc_location rsc="Email" node="sles-1" score="-INFINITY"/>" #. Tag: para #, fuzzy, no-c-format msgid "This will achieve the desired effect, but will also have long-term consequences. As the tool will warn you, the creation of a -INFINITY constraint will prevent the resource from running on that node until crm_resource -U is used. This includes the situation where every other cluster node is no longer available!" msgstr "Questo comando servirà allo scopo, ma avrà conseguenze a lungo termine. Il comando avviserà come la creazione di una constraint -INFINITY precluderà alla risorsa la possibilità di essere eseguita su quel particolare nodo finché non verrà usato il comando crm_resource -U. Questo include situazioni in cui nessun altro nodo del cluster sia disponibile." #. Tag: para #, fuzzy, no-c-format msgid "In some cases, such as when resource-stickiness is set to INFINITY, it is possible that you will end up with the problem described in . The tool can detect some of these cases and deals with them by also creating both a positive and negative constraint. Eg." msgstr "In alcuni casi, come quando il valore di stickiness è settato a INFINITY, è possibile trovarsi nel problema descritto nel capitolo . Il tool può rilevare alcuni di questi casi ed agire in modo da creare constraint sia positive che negative. Ad esempio:" #. Tag: para #, fuzzy, no-c-format msgid "Email prefers sles-1 with a score of -INFINITY" msgstr "Email preferisce sles-1 con un punteggio di -INFINITY" #. Tag: para #, fuzzy, no-c-format msgid "Email prefers sles-2 with a score of INFINITY" msgstr "Email preferisce sles-2 con un punteggio di INFINITY" #. Tag: para #, no-c-format msgid "which has the same long-term consequences as discussed earlier." msgstr "che ha lo stesso effetto a lungo termine discusso in precedenza." #. Tag: title #, no-c-format msgid "Moving Resources Due to Failure" msgstr "Spostare risorse in seguito ad un fallimento" #. Tag: para #, fuzzy, no-c-format msgid "New in 1.0 is the concept of a migration threshold. The naming of this option was perhaps unfortunate as it is easily confused with true migration, the process of moving a resource from one node to another without stopping it. Xen virtual guests are the most common example of resources that can be migrated in this manner. " msgstr "Dalla release 1.0 è stato introdotto il concetto di migration threshold Il nome di questa opzione sfortunatamente si confonde con la true migration, la migrazione cioè di una risorsa da un nodo all'altro senza che questa venga stoppata. L'esempio più comune riguarda i virtual guest Xen che possono appunto essere migrate in queto modo. . E' sufficiente definire il parametro migration-threshold=N per una risorsa e questa migrerà ad un nuovo nodo dopo N fallimenti. Non esiste un treshold definito per default. Per determinare lo stato ed i limiti attuali dei fallimenti di una risorsa è possibile utilizzare crm_mon --failcounts" #. Tag: para #, no-c-format msgid "Simply define migration-threshold=N for a resource and it will migrate to a new node after N failures. There is no threshold defined by default. To determine the resource’s current failure status and limits, use crm_mon --failcounts." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "By default, once the threshold has been reached, this node will no longer be allowed to run the failed resource until the administrator manually resets the resource’s failcount using crm_failcount (after hopefully first fixing the failure’s cause). However it is possible to expire them by setting the resource’s failure-timeout option." msgstr "Per default, quando il valore di treshold viene raggiunto, al verrà proibito di eseguire la risorsa finché l'amministratore non effettuerà un reset manuale del valore utilizzando il comando crm_failcount (si spera dopo aver sistemato la causa del problema). Ad ogni modo è possibile forzare la scadenza impostando l'opzione failure-timeout." #. Tag: para #, fuzzy, no-c-format msgid "So a setting of migration-threshold=2 and failure-timeout=60s would cause the resource to move to a new node after 2 failures, and allow it to move back (depending on the stickiness and constraint scores) after one minute." msgstr "Quindi impostare valori di migration-threshold=2 e failure-timeout=60s comporterà la riduzione degli spostamenti ad un nuovo nodo dopo 2 fallimenti e riabiliando il successivo spostamente (dipendentemente dai punteggi di stickiness e constraint) dopo un minuto" #. Tag: para #, fuzzy, no-c-format msgid "There are two exceptions to the migration threshold concept; they occur when a resource either fails to start or fails to stop. Start failures cause the failcount to be set to INFINITY and thus always cause the resource to move immediately." msgstr "Esistono due eccezioni al concetto di migration threshold e capitano quando una risorsa fallisce l'avvio o lo stop. Fallimenti in fase di avvio forzano il valore di failcount a INFINITY e questo provoca sempre uno spostamento immediato della risorsa." #. Tag: para #, no-c-format msgid "Stop failures are slightly different and crucial. If a resource fails to stop and STONITH is enabled, then the cluster will fence the node in order to be able to start the resource elsewhere. If STONITH is not enabled, then the cluster has no way to continue and will not try to start the resource elsewhere, but will try to stop it again after the failure timeout." msgstr "I fallimenti in fase di stop sono leggermente differenti e cruciali. Se una risorsa fallisce lo stop e STONITH è abilitato, allora il cluster effettuerà un fence del nodo in modo da essere in grado di avviare la risorsa altrove. Se STONITH non è abilitato, allora il cluster non ha modo di continuare e non cercherà di avviare la risorsa altrove, ma continuerà a tentare di stopparla superato il failure timeout." #. Tag: para #, no-c-format msgid "Please read before enabling this option." msgstr "Prima di abilitare questa opzione, si prega di leggere ." #. Tag: title #, no-c-format msgid "Moving Resources Due to Connectivity Changes" msgstr "Spostare le risorse in base a variazioni della connettività" #. Tag: para #, fuzzy, no-c-format msgid "Setting up the cluster to move resources when external connectivity is lost is a two-step process." msgstr "Configurare il cluster affinché sposti le risorse se la connettività viene persa è un processo di due fasi." #. Tag: title #, no-c-format msgid "Tell Pacemaker to monitor connectivity" msgstr "Comunicare a Pacemaker di controllare la connettività" #. Tag: para #, fuzzy, no-c-format msgid "To do this, you need to add a ping resource to the cluster. The ping resource uses the system utility of the same name to a test if list of machines (specified by DNS hostname or IPv4/IPv6 address) are reachable and uses the results to maintain a node attribute normally called pingd. The attribute name is customizable; that allows multiple ping groups to be defined. " msgstr "Per fare ciò è necessario disporre di una risorsa ping all'interno del cluster. La risorsa ping utilizza l'omonima utility di sistama per controllare che una lista di macchine (specificate da un hostname nel DNS o da un indirizzo IPv4/IPv6) sia raggiungibile e conserva i risultati nell'attributo pingd. Il nome dell'attributo è personalizzabile in modo da poter dichiarare ping multipli o gruppi di ping " #. Tag: para #, fuzzy, no-c-format msgid "Older versions of Heartbeat required users to add ping nodes to ha.cf - this is no longer required." msgstr "Versioni passate di Heartbeat richiedevano all'utente di aggiungere i ping node all'interno del file ha.cf, oggi non è più richiesto." #. Tag: para #, no-c-format msgid "Older versions of Pacemaker used a custom binary called pingd for this functionality; this is now deprecated in favor of ping." msgstr "" #. Tag: para #, no-c-format msgid "If your version of Pacemaker does not contain the ping agent, you can download the latest version from https://github.com/ClusterLabs/pacemaker/tree/master/extra/resources/ping" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Normally the resource will run on all cluster nodes, which means that you’ll need to create a clone. A template for this can be found below along with a description of the most interesting parameters." msgstr "Tipicamente la risorsa verrà eseguita su tutti i nodi del cluster, che significa come sia necessario creare un clone. Il template relativo è disponibile sotto con una descrizione dei parametri più interessanti." #. Tag: title #, fuzzy, no-c-format msgid "Common Options for a ping Resource" msgstr "Opzioni comuni per la risorsa 'ping'" #. Tag: para #, no-c-format msgid "dampen" msgstr "" #. Tag: para #, no-c-format msgid "The time to wait (dampening) for further changes to occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times. dampenPing Resource Option Ping Resource Option Ping ResourceOptiondampen Optiondampen dampen " msgstr "" #. Tag: para #, no-c-format msgid "multiplier" msgstr "" #. Tag: para #, no-c-format msgid "The number of connected ping nodes gets multiplied by this value to get a score. Useful when there are multiple ping nodes configured. multiplierPing Resource Option Ping Resource Option Ping ResourceOptionmultiplier Optionmultiplier multiplier " msgstr "" #. Tag: para #, no-c-format msgid "host_list" msgstr "" #. Tag: para #, no-c-format msgid "The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS host names, IPv4 and IPv6 addresses. host_listPing Resource Option Ping Resource Option Ping ResourceOptionhost_list Optionhost_list host_list " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "An example ping cluster resource that checks node connectivity once every minute" msgstr "Un esempio di risorsa ping che controlla la connettività ogni minuto" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<clone id=\"Connected\">\n" " <primitive id=\"ping\" provider=\"pacemaker\" class=\"ocf\" type=\"ping\">\n" " <instance_attributes id=\"ping-attrs\">\n" " <nvpair id=\"pingd-dampen\" name=\"dampen\" value=\"5s\"/>\n" " <nvpair id=\"pingd-multiplier\" name=\"multiplier\" value=\"1000\"/>\n" " <nvpair id=\"pingd-hosts\" name=\"host_list\" value=\"my.gateway.com www.bigcorp.com\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ping-monitor-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" "</clone>" msgstr "" "\n" "\n" " <clone id="Connected">\n" " <primitive id="ping" provider="pacemaker" class="ocf" type="ping">\n" " <instance_attributes id="ping-attrs">\n" " <nvpair id="pingd-dampen" name="dampen" value="5s"/>\n" " <nvpair id="pingd-multiplier" name="multiplier" value="1000"/>\n" " <nvpair id="pingd-hosts" name="host_list" value="my.gateway.com www.bigcorp.com"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id="ping-monitor-60s" interval="60s" name="monitor"/>\n" " </operations>\n" " </primitive>\n" " </clone>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "You’re only half done. The next section deals with telling Pacemaker how to deal with the connectivity status that ocf:pacemaker:ping is recording." msgstr "A questo punto metà del lavoro è fatto. La sezione successiva descrive come deve agire Pacemaker sulla base dello stato che ocf:pacemaker:ping sta registrando." #. Tag: title #, no-c-format msgid "Tell Pacemaker how to interpret the connectivity data" msgstr "Specificare a Pacemaker come intepretare i dati di connettività" #. Tag: para #, fuzzy, no-c-format msgid "Before reading the following, please make sure you have read and understood above." msgstr "NOTA: prima di continuare a leggere accertarsi di aver letto e capito la sezione " #. Tag: para #, fuzzy, no-c-format msgid "There are a number of ways to use the connectivity data provided by Heartbeat. The most common setup is for people to have a single ping node, to prevent the cluster from running a resource on any unconnected node." msgstr "Esistono diversi modi per utilizzare i dati di connettività forniti da Heartbeat. Il setup più comune è composto da un singolo nodo ping che preclude ad una risorsa di essere eseguita su un nodo non connesso." #. Tag: title #, fuzzy, no-c-format msgid "Don’t run on unconnected nodes" msgstr "Non operare su nodi non connessi" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-no-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"not_defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="WebServer-no-connectivity" rsc="Webserver">\n" " <rule id="ping-exclude-rule" score="-INFINITY" >\n" " <expression id="ping-exclude" attribute="pingd" operation="not_defined"/>\n" " </rule>\n" " </rsc_location>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "A more complex setup is to have a number of ping nodes configured. You can require the cluster to only run resources on nodes that can connect to all (or a minimum subset) of them." msgstr "Un setup maggiormente complesso consiste nell'avere diversi nodi ping configurati. E' possibile richiedere al cluster di eseguire risorse su nodi che sono connessi a tutti (o ad un set ridotto) di nodi ping." #. Tag: title #, fuzzy, no-c-format msgid "Run only on nodes connected to three or more ping nodes; this assumes multiplier is set to 1000:" msgstr "Opera solo sui nodi connessi a 3 o più nodi ping (assumendo che multiplier sia impostato a 1000)" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="WebServer-connectivity" rsc="Webserver">\n" " <rule id="ping-prefer-rule" score="-INFINITY" >\n" " <expression id="ping-prefer" attribute="pingd" operation="lt" value="3000"/>\n" " </rule>\n" " </rsc_location> \n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "Instead you can tell the cluster only to prefer nodes with the best connectivity. Just be sure to set multiplier to a value higher than that of resource-stickiness (and don’t set either of them to INFINITY)." msgstr "o altrimenti è possibile comunicare al cluster di prediligere i nodi con la connettività maggiore. E' sufficiente assicurarsi che il moltiplicatore sia maggiore del valore di resource-stickiness (e che non ci siano impostati valori di INFINITY)" #. Tag: title #, no-c-format msgid "Prefer the node with the most connected ping nodes" msgstr "Prediligi il nodo che il maggior numero di nodi ping" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="WebServer-connectivity" rsc="Webserver">\n" " <rule id="ping-prefer-rule" score-attribute="pingd" >\n" " <expression id="ping-prefer" attribute="pingd" operation="defined"/>\n" " </rule>\n" " </rsc_location> \n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "It is perhaps easier to think of this in terms of the simple constraints that the cluster translates it into. For example, if sles-1 is connected to all 5 ping nodes but sles-2 is only connected to 2, then it would be as if you instead had the following constraints in your configuration:" msgstr "E' comunque più semplice ragionare in questi termini sulla base delle constraint che il cluster crea. Ad esempio, se sles-1 è connessa a tutti e 5 i nodi ping, ma sles-2 è connessa solo a 2 di questi, allora sarà più semplice operare con questa constraint all'interno della configurazione:" #. Tag: title #, no-c-format msgid "How the cluster translates the pingd constraint" msgstr "Come il cluster traduce le constraint pingd" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"ping-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"5000\"/>\n" "<rsc_location id=\"ping-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"2000\"/>" msgstr "" "\n" "\n" " <rsc_location id="ping-1" rsc="Webserver" node="sles-1" score="5000"/>\n" " <rsc_location id="ping-2" rsc="Webserver" node="sles-2" score="2000"/>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "The advantage is that you don’t have to manually update any constraints whenever your network connectivity changes." msgstr "Il vantaggio risiede nel fatto che quando la connettività è ripristinata, non è necessario un intervento manuale." #. Tag: para #, fuzzy, no-c-format msgid "You can also combine the concepts above into something even more complex. The example below shows how you can prefer the node with the most connected ping nodes provided they have connectivity to at least three (again assuming that multiplier is set to 1000)." msgstr "E' possibile inoltre combinare i concetti sopra elencati per ottenere qualcosa di ulteriormente complesso. L'esempio riportato mostra come sia possibile preferire il nodo con il maggior numero di nodi ping forniti con un minimo di tre (assumendo che il valore multiplier sia 1000)." #. Tag: title #, no-c-format msgid "A more complex example of choosing a location based on connectivity" msgstr "Un esempio più complesso di location basata sui valori di connettività" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="WebServer-connectivity" rsc="Webserver">\n" " <rule id="ping-exclude-rule" score="-INFINITY" >\n" " <expression id="ping-exclude" attribute="pingd" operation="lt" value="3000"/>\n" " </rule>\n" " <rule id="ping-prefer-rule" score-attribute="pingd" >\n" " <expression id="ping-prefer" attribute="pingd" operation="defined"/>\n" " </rule>\n" " </rsc_location> \n" "\n" "\t " #. Tag: title #, no-c-format msgid "Resource Migration" msgstr "Migrazione delle risorse" #. Tag: para #, fuzzy, no-c-format msgid "Some resources, such as Xen virtual guests, are able to move to another location without loss of state. We call this resource migration; this is different from the normal practice of stopping the resource on the first machine and starting it elsewhere." msgstr "Alcune risorse, come i virtual guest Xen, supportano gli spostamenti presso una nuova destinazione senza smettere di funzionare. Questo processo viene chiamato resource migration ed è differente dalla pratica comune di stoppare una risorsa su una macchina ed avviarla altrove." #. Tag: para #, fuzzy, no-c-format msgid "Not all resources are able to migrate, see the Migration Checklist below, and those that can, won’t do so in all situations. Conceptually there are two requirements from which the other prerequisites follow:" msgstr "Non tutte le risorse sono in grado di migrare, come dimostra la lista riportata sotto, e non tutte le risorse migrabili possono farlo in tutte le situazioni. Concettualmente esistono due requisiti da cui derivano altri pre requisiti:" #. Tag: para #, no-c-format msgid "the resource must be active and healthy at the old location" msgstr "la risorsa deve essere attiva e funzionante nella locazione originale" #. Tag: para #, no-c-format msgid "everything required for the resource to run must be available on both the old and new locations" msgstr "quanto necessario alla risorsa per funzionare deve essere disponibile sulla locazione originale e futura." #. Tag: para #, no-c-format msgid "The cluster is able to accommodate both push and pull migration models by requiring the resource agent to support two new actions: migrate_to (performed on the current location) and migrate_from (performed on the destination)." msgstr "Il cluster supporta sia la migrazione \"da\" che quella \"verso\" richiedendo al resource agent di supportare due nuove azioni:migrate_to (eseguita sulla locazione attuale) e migrate_from (eseguita sulla destinazione)." #. Tag: para #, fuzzy, no-c-format msgid "In push migration, the process on the current location transfers the resource to the new location where is it later activated. In this scenario, most of the work would be done in the migrate_to action and, if anything, the activation would occur during migrate_from." msgstr "Nella migrazione \"da\", il processo dalla locazione attuale è trasferito alla nuova dove verrà poi attivato. In questo scenario la maggior parte del lavoro verrà svolto durante l'azione migrate_to e, salvo imprevisti, l'attivazione verrà completata durante il migrate_from." #. Tag: para #, no-c-format msgid "Conversely for pull, the migrate_to action is practically empty and migrate_from does most of the work, extracting the relevant resource state from the old location and activating it." msgstr "Al contrario per l'azione \"a\" l'azione migrate_to è praticamente nulla mentre la maggior parte del lavoro è svoloto durante migrate_from, che estrae lo stato rilevante della risorsa nella vecchia locazione e lo attiva." #. Tag: para #, no-c-format msgid "There is no wrong or right way to implement migration for your service, as long as it works." msgstr "Non esiste una via giusta o sbagliata di implementare la migrazione di un servizio, finché questa funziona." #. Tag: title #, no-c-format msgid "Migration Checklist" msgstr "Lista di controllo della migrazione" #. Tag: para #, no-c-format msgid "The resource may not be a clone." msgstr "La risorsa potrebbe non essere un clone" #. Tag: para #, no-c-format msgid "The resource must use an OCF style agent." msgstr "La risorsa deve usare un agent di tipo OCF" #. Tag: para #, no-c-format msgid "The resource must not be in a failed or degraded state." msgstr "La risorsa non deve essere in stato failed o degraded." #. Tag: para #, no-c-format msgid "The resource must not, directly or indirectly, depend on any primitive or group resources." msgstr "La risorsa non deve, direttamente o indirettamente, dipendere da una primitiva o da un gruppo di risorse." #. Tag: para #, fuzzy, no-c-format msgid "The resource must support two new actions: migrate_to and migrate_from, and advertise them in its metadata." msgstr "La risorsa deve supportare due nuove azioni: migrate_to e migrate_from ed notificare queste nei propri metadata." #. Tag: para #, fuzzy, no-c-format msgid "The resource must have the allow-migrate meta-attribute set to true (which is not the default)." msgstr "La risorsa deve avere il meta-attribute allow-migrate impostato a true (che non è il default)." #. Tag: para #, no-c-format msgid "If the resource depends on a clone, and at the time the resource needs to be move, the clone has instances that are stopping and instances that are starting, then the resource will be moved in the traditional manner. The Policy Engine is not yet able to model this situation correctly and so takes the safe (yet less optimal) path." msgstr "Se la risorsa dipende da un clone e, nel momento in cui questa deve essere spostata, il clone ha istanze che stanno partendo o fermandos, allora la risorsa verrà spostata in maniera tradizionale. Il Policy Engine (motore delle politiche di spostamento) non è ancora in grado di modellare questa situazione correttamente e quindi prende la via più sicura (e meno ottimale)." #. Tag: title #, no-c-format msgid "Reusing Rules, Options and Sets of Operations" msgstr "Riutilizzare regole, opzioni e set di operazioni" #. Tag: para #, fuzzy, no-c-format msgid "Sometimes a number of constraints need to use the same set of rules, and resources need to set the same options and parameters. To simplify this situation, you can refer to an existing object using an id-ref instead of an id." msgstr "A volte alcune constraint necessitano di utilizzare lo stesso set di regole ed alcune risorse necessitano di impostare le stesse opzioni su dei parametri. Per semplificare questa situazione è possibile riferirsi all'oggetto esistente mediante un id-ref anziché un id." #. Tag: para #, no-c-format msgid "So if for one resource you have" msgstr "Quindi data una risorsa" #. Tag: para #, fuzzy, no-c-format msgid "Then instead of duplicating the rule for all your other resources, you can instead specify:" msgstr "anziché duplicare la regola per tutte le altre risorse, è possibile specificare" #. Tag: title #, no-c-format msgid "Referencing rules from other constraints" msgstr "Referenziare regole da altre constraint" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebDB-connectivity\" rsc=\"WebDB\">\n" " <rule id-ref=\"ping-prefer-rule\"/>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="WebDB-connectivity" rsc="WebDB">\n" " <rule id-ref="ping-prefer-rule"/>\n" " </rsc_location> \n" "\n" "\t" #. Tag: para #, no-c-format msgid "The cluster will insist that the rule exists somewhere. Attempting to add a reference to a non-existing rule will cause a validation failure, as will attempting to remove a rule that is referenced elsewhere." msgstr "Il cluster insisterà sul fatto che la rule esiste da qualche parte. Cercare di aggiungere una referenza ad una regola inesistente provocherà problemi nella validazione, in quanto seguirà un tentativo di rimuovere una rule referenziata altrove." #. Tag: para #, fuzzy, no-c-format msgid "The same principle applies for meta_attributes and instance_attributes as illustrated in the example below:" msgstr "Lo stesso principio è applicabile a meta_attributes e instance_attributes come illustrato nell'esempio seguente" #. Tag: title #, fuzzy, no-c-format msgid "Referencing attributes, options, and operations from other resources" msgstr "Referenziare attributi, opzioni ed operazioni da altre risorse" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"mySpecialRsc-attrs\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"mySpecialRsc-options\">\n" " <nvpair id=\"failure-timeout\" name=\"failure-timeout\" value=\"5m\"/>\n" " <nvpair id=\"migration-threshold\" name=\"migration-threshold\" value=\"1\"/>\n" " <nvpair id=\"stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" " <operations id=\"health-checks\">\n" " <op id=\"health-check\" name=\"monitor\" interval=\"60s\"/>\n" " <op id=\"health-check\" name=\"monitor\" interval=\"30min\"/>\n" " </operations>\n" "</primitive>\n" "<primitive id=\"myOtherlRsc\" class=\"ocf\" type=\"Other\" provider=\"me\">\n" " <instance_attributes id-ref=\"mySpecialRsc-attrs\"/>\n" " <meta_attributes id-ref=\"mySpecialRsc-options\"/>\n" " <operations id-ref=\"health-checks\"/>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="mySpecialRsc" class="ocf" type="Special" provider="me">\n" " <instance_attributes id="mySpecialRsc-attrs" score="1" >\n" " <nvpair id="default-interface" name="interface" value="eth0"/>\n" " <nvpair id="default-port" name="port" value="9999"/>\n" " </instance_attributes>\n" " <meta_attributes id="mySpecialRsc-options">\n" " <nvpair id="failure-timeout" name="failure-timeout" value="5m"/>\n" " <nvpair id="migration-threshold" name="migration-threshold" value="1"/>\n" " <nvpair id="stickiness" name="resource-stickiness" value="0"/>\n" " </meta_attributes>\n" " <operations id="health-checks">\n" " <op id="health-check" name="monitor" interval="60s"/>\n" " <op id="health-check" name="monitor" interval="30min"/>\n" " </operations>\n" " </primitive>\n" " <primitive id="myOtherlRsc" class="ocf" type="Other" provider="me">\n" " <instance_attributes id-ref="mySpecialRsc-attrs"/>\n" " <meta_attributes id-ref="mySpecialRsc-options"/>\n" " <operations id-ref="health-checks"/>\n" " </primitive>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "Reloading Services After a Definition Change" msgstr "Effettuare il reload dei servizi dopo una variazione della definizione" #. Tag: para #, fuzzy, no-c-format msgid "The cluster automatically detects changes to the definition of services it manages. However, the normal response is to stop the service (using the old definition) and start it again (with the new definition). This works well, but some services are smarter and can be told to use a new set of options without restarting." msgstr "Il cluster rileva autoamticamente variazioni alle definizioni dei servizi che gestisce. Il comportamento normale prevede lo stop del servizio (utilizzando la vecchia definizione) ed il nuovo avvio (con la nuova definizione). Quanto illustrato funziona egregiamente, ma alcuni servizi sono abbastanza furbu da poter essere guidati ad utilizzare un nuovo set di opzioni senza che venga eseguito un riavvio." #. Tag: para #, no-c-format msgid "To take advantage of this capability, your resource agent must:" msgstr "Per trarre beneficio da questa abilità il proprio resource agent dovrà" #. Tag: para #, fuzzy, no-c-format msgid "Accept the reload operation and perform any required actions. The steps required here depend completely on your application!" msgstr "Accettare l'operazione reload ed eseguire ogni azione richiesta." #. Tag: title #, fuzzy, no-c-format msgid "The DRBD Agent’s Control logic for Supporting the reload Operation" msgstr "L'agent di controllo di DRBD " #. Tag: programlisting #, fuzzy, no-c-format msgid "" "case $1 in\n" " start)\n" " drbd_start\n" " ;;\n" " stop)\n" " drbd_stop\n" " ;;\n" " reload)\n" " drbd_reload\n" " ;;\n" " monitor)\n" " drbd_monitor\n" " ;;\n" " *)\n" " drbd_usage\n" " exit $OCF_ERR_UNIMPLEMENTED\n" " ;;\n" "esac\n" "exit $?" msgstr "" "\n" "\n" " case $1 in\n" " start)\n" "\tdrbd_start\n" "\t;;\n" " stop)\n" "\tdrbd_stop\n" "\t;;\n" " reload)\n" "\tdrbd_reload\n" "\t;;\n" " monitor)\n" "\tdrbd_monitor\n" "\t;;\n" " *)\t\n" "\tdrbd_usage\n" "\texit $OCF_ERR_UNIMPLEMENTED\n" "\t;;\n" " esac\n" " exit $?\n" "\n" "\t\t" #. Tag: para #, no-c-format msgid "Advertise the reload operation in the actions section of its metadata" msgstr "Promuovere l'operazione di reload nella sezione actions dei metadata" #. Tag: title #, no-c-format msgid "The DRBD Agent Advertising Support for the reload Operation" msgstr "La logica di controllo dell'operazione di reload implementata dall'agente DRBD" #. Tag: programlisting #, no-c-format msgid "" "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"drbd\">\n" " <version>1.1</version>\n" "\n" " <longdesc>\n" " Master/Slave OCF Resource Agent for DRBD\n" " </longdesc>\n" "\n" " ...\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"240\" />\n" " <action name=\"reload\" timeout=\"240\" />\n" " <action name=\"promote\" timeout=\"90\" />\n" " <action name=\"demote\" timeout=\"90\" />\n" " <action name=\"notify\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" #. Tag: para #, no-c-format msgid "Advertise one or more parameters that can take effect using reload." msgstr "Promuove uno o più paramtri che vengono attivati utilizzando reload." #. Tag: para #, fuzzy, no-c-format msgid "Any parameter with the unique set to 0 is eligible to be used in this way." msgstr "Qualsiasi parametro con il valore unique impostato a 0 è abile ad essere utilizzato in questo modo." #. Tag: title #, no-c-format msgid "Parameter that can be changed using reload" msgstr "Paramtro modificabile utilizzando reload" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<parameter name=\"drbdconf\" unique=\"0\">\n" " <longdesc>Full path to the drbd.conf file.</longdesc>\n" " <shortdesc>Path to drbd.conf</shortdesc>\n" " <content type=\"string\" default=\"${OCF_RESKEY_drbdconf_default}\"/>\n" "</parameter>" msgstr "" "\n" "\n" " <parameter name="drbdconf" unique="0">\n" " <longdesc lang="en">Full path to the drbd.conf file.</longdesc>\n" " <shortdesc lang="en">Path to drbd.conf</shortdesc>\n" " <content type="string" default="${OCF_RESKEY_drbdconf_default}"/>\n" " </parameter>\n" "\n" "\t\t" #. Tag: para #, fuzzy, no-c-format msgid "Once these requirements are satisfied, the cluster will automatically know to reload the resource (instead of restarting) when a non-unique fields changes." msgstr "Una volta che questi requisiti sono soddisfatti, il cluster saprà automaticamente di dover effettuare un reload (anziché un restart) della risorsa in seguito alla variazione di un campo non-unique." #. Tag: para #, no-c-format msgid "The metadata is re-read when the resource is started. This may mean that the resource will be restarted the first time, even though you changed a parameter with unique=0" msgstr "I metadata vengono nuovamente letti quando la risorsa viene avviata. Questo potrebbe significare che la risorsa verrà riavviata la prima volta, anche se è stato modificato un parametro con unique=0" #. Tag: para #, fuzzy, no-c-format msgid "If both a unique and non-unique field are changed simultaneously, the resource will still be restarted." msgstr "Se due campi unique e non-unique vengono cambiati simultaneamente, allora la risorsa verrà comunque riavviata." #~ msgid "CIB_user" #~ msgstr "CIB_user" #~ msgid "The user to connect as. Needs to be part of the hacluster group on the target host. Defaults to $USER" #~ msgstr "L'utente mediante il quale connettersi. Deve essere parte del gruppo hacluster sull'host di destinazione. Il valore di default è $USER" #~ msgid "CIB_passwd" #~ msgstr "CIB_passwd" #~ msgid "The user's password. Read from the command line if unset" #~ msgstr "La password dell'utente. Viene letta da linea di comando se non passata" #~ msgid "CIB_server" #~ msgstr "CIB_server" #~ msgid "The host to contact. Defaults to localhost." #~ msgstr "L'host da contattare. Il valore di default è localhost." #~ msgid "CIB_port" #~ msgstr "CIB_port" #~ msgid "The port on which to contact the server. Required." #~ msgstr "La porta alla quale contattare il server. Richiesto." #~ msgid "CIB_encrypted" #~ msgstr "CIB_encrypted" #~ msgid "Encrypt network traffic. Defaults to true." #~ msgstr "Crittare o meno il traffico network. Il valore di default è true." #~ msgid "Listen for encrypted remote connections on this port. Default: none" #~ msgstr "Ascolta per connessioni non criptate su questa porta. Default: none" #~ msgid "Listen for plaintext remote connections on this port. Default: none" #~ msgstr "Ascolta per connessioni in chiaro su questa porta. Default: none" #~ msgid "" #~ "\n" #~ " <rsc_location rsc="Email" node="sles-2" score="INFINITY"/>\n" #~ "\t " #~ msgstr "" #~ "\n" #~ " <rsc_location rsc="Email" node="sles-2" score="INFINITY"/>\n" #~ "\t " #~ msgid "crm_resource -M -r Email -H sles-3" #~ msgstr "crm_resource -M -r Email -H sles-3" #~ msgid "Older versions of Pacemaker used a custom binary called pingd for this functionality, this is now deprecated in favor of ping. If your version of Pacemaker does not contain the ping agent, you can download the latest version from: " #~ msgstr "Versioni passate di Pacemaker utilizzavano un eseguibile chiamato pingd per garantire questa funzionalità, al momento questo approccio è deprecato in virtù di ping. Se la versione di Pacemaker di cui si dispone non contiene l'eseguibile ping, è possibile scaricare l'ultima versione da " #~ msgid "dampen" #~ msgstr "dampen" #~ msgid "The time to wait (dampening) for further changes occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times." #~ msgstr "Il tempo di attesa (dampening) dopo il quale avverrà un cambiamento. Utilizzare questio parametro per prevenire che una risorsa rimbalzi all'interno dei nodi del cluster quando gli stessi notificano assenza di connettività in tempi diversi." #~ msgid "multiplier" #~ msgstr "multiplier" #~ msgid "The number by which to multiply the number of connected ping nodes by. Useful when there are multiple ping nodes configured." #~ msgstr "Il numero da moltiplicare ai nodi connessi. Utile quando sono configurati nodi multipli." #~ msgid "host_list" #~ msgstr "host_list" #~ msgid "The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS hostnames, IPv4 and IPv6 addresses." #~ msgstr "Le macchine da contattare per determinare lo stato della connettività. I valori permessi sono hostname DNS risolvibili, indirizzi IPv4 ed IPv6." #~ msgid "" #~ "\n" #~ "\n" #~ " <rsc_location id="WebServer-connectivity" rsc="Webserver">\n" #~ " <rule id="ping-prefer-rule" score-attribute="pingd" >\n" #~ " <expression id="ping-prefer" attribute="pingd" operation="defined"/>\n" #~ " </rule>\n" #~ " </rsc_location>\n" #~ "\n" #~ " " #~ msgstr "" #~ "\n" #~ "\n" #~ " <rsc_location id="WebServer-connectivity" rsc="Webserver">\n" #~ " <rule id="ping-prefer-rule" score-attribute="pingd" >\n" #~ " <expression id="ping-prefer" attribute="pingd" operation="defined"/>\n" #~ " </rule>\n" #~ " </rsc_location>\n" #~ "\n" #~ " " #~ msgid "The steps required here depend completely on your application" #~ msgstr "Le fasi richieste qui dipendono completamente dall'applicazione utilizzata" #~ msgid "" #~ "\n" #~ "\n" #~ " <?xml version="1.0"?>\n" #~ " <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">\n" #~ " <resource-agent name="drbd">\n" #~ " <version>1.1</version>\n" #~ " \n" #~ " <longdesc lang="en">\n" #~ " Master/Slave OCF Resource Agent for DRBD\n" #~ " </longdesc>\n" #~ " \n" #~ " <shortdesc lang="en">\n" #~ " This resource agent manages a DRBD resource as a master/slave\n" #~ " resource. DRBD is a shared-nothing replicated storage device.\n" #~ " </shortdesc>\n" #~ " \n" #~ " <parameters>\n" #~ " <parameter name="drbd_resource" unique="1" required="1">\n" #~ " <longdesc lang="en">The name of the drbd resource from the drbd.conf file.</longdesc>\n" #~ " <shortdesc lang="en">drbd resource name</shortdesc>\n" #~ " <content type="string"/>\n" #~ " </parameter>\n" #~ " \n" #~ " <parameter name="drbdconf" unique="0">\n" #~ " <longdesc lang="en">Full path to the drbd.conf file.</longdesc>\n" #~ " <shortdesc lang="en">Path to drbd.conf</shortdesc>\n" #~ " <content type="string" default="${OCF_RESKEY_drbdconf_default}"/>\n" #~ " </parameter>\n" #~ " \n" #~ " </parameters>\n" #~ " \n" #~ " <actions>\n" #~ " <action name="start" timeout="240" />\n" #~ " <action name="reload" timeout="240" />\n" #~ " <action name="promote" timeout="90" />\n" #~ " <action name="demote" timeout="90" />\n" #~ " <action name="notify" timeout="90" />\n" #~ " <action name="stop" timeout="100" />\n" #~ " <action name="meta-data" timeout="5" />\n" #~ " <action name="validate-all" timeout="30" />\n" #~ " </actions>\n" #~ " </resource-agent>\n" #~ "\n" #~ "\t\t" #~ msgstr "" #~ "\n" #~ "\n" #~ " <?xml version="1.0"?>\n" #~ " <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">\n" #~ " <resource-agent name="drbd">\n" #~ " <version>1.1</version>\n" #~ " \n" #~ " <longdesc lang="en">\n" #~ " Master/Slave OCF Resource Agent for DRBD\n" #~ " </longdesc>\n" #~ " \n" #~ " <shortdesc lang="en">\n" #~ " This resource agent manages a DRBD resource as a master/slave\n" #~ " resource. DRBD is a shared-nothing replicated storage device.\n" #~ " </shortdesc>\n" #~ " \n" #~ " <parameters>\n" #~ " <parameter name="drbd_resource" unique="1" required="1">\n" #~ " <longdesc lang="en">The name of the drbd resource from the drbd.conf file.</longdesc>\n" #~ " <shortdesc lang="en">drbd resource name</shortdesc>\n" #~ " <content type="string"/>\n" #~ " </parameter>\n" #~ " \n" #~ " <parameter name="drbdconf" unique="0">\n" #~ " <longdesc lang="en">Full path to the drbd.conf file.</longdesc>\n" #~ " <shortdesc lang="en">Path to drbd.conf</shortdesc>\n" #~ " <content type="string" default="${OCF_RESKEY_drbdconf_default}"/>\n" #~ " </parameter>\n" #~ " \n" #~ " </parameters>\n" #~ " \n" #~ " <actions>\n" #~ " <action name="start" timeout="240" />\n" #~ " <action name="reload" timeout="240" />\n" #~ " <action name="promote" timeout="90" />\n" #~ " <action name="demote" timeout="90" />\n" #~ " <action name="notify" timeout="90" />\n" #~ " <action name="stop" timeout="100" />\n" #~ " <action name="meta-data" timeout="5" />\n" #~ " <action name="validate-all" timeout="30" />\n" #~ " </actions>\n" #~ " </resource-agent>\n" #~ "\n" #~ "\t\t" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Advanced-Resources.po000066400000000000000000002500341217637305600262360ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-05-07 11:11+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Resource Types" msgstr "Tipi di risorse avanzati" #. Tag: title #, no-c-format msgid "Groups - A Syntactic Shortcut" msgstr "Gruppi - Una scorciatoia sintattica" #. Tag: para #, no-c-format msgid " Group Resources ResourcesGroups Groups " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "One of the most common elements of a cluster is a set of resources that need to be located together, start sequentially, and stop in the reverse order. To simplify this configuration we support the concept of groups." msgstr "Fra gli elementi più comuni all'interno dei cluster ci sono i set di risorse che necessitano di essere posizionate insieme, avviarsi sequenzialmente e stopparsi nell'ordine inverso. Per semplificare questa configurazione è stato creato il concetto di gruppi." #. Tag: title #, no-c-format msgid "An example group" msgstr "Un esempio di gruppo" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<group id=\"shortcut\">\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </group>" msgstr "" "\n" "\n" " <group id="shortcut">\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id="Email" class="lsb" type="exim"/>\n" " </group>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "Although the example above contains only two resources, there is no limit to the number of resources a group can contain. The example is also sufficient to explain the fundamental properties of a group:" msgstr "Anche se l'esempio illustrato sopra contiene solo due risorse, non esiste limite al numero di risorse che un gruppo può contenere. L'esempio è comunque sufficiente per illustrare le proprietà fondamentali di un gruppo:" #. Tag: para #, fuzzy, no-c-format msgid "Resources are started in the order they appear in (Public-IP first, then Email)" msgstr "Le risorse vengono avviate nell'ordine in cui appaiono (prima Public-IP, poi Email)" #. Tag: para #, fuzzy, no-c-format msgid "Resources are stopped in the reverse order to which they appear in (Email first, then Public-IP)" msgstr "Le risorse vengono stoppate in ordine inverso rispetto a come appaiono (prima Email, poi Public-IP)" #. Tag: para #, fuzzy, no-c-format msgid "If a resource in the group can’t run anywhere, then nothing after that is allowed to run, too." msgstr "Se una risorsa nel gruppo non può essere avviata ovunque, allora tutto quel che segue non verrà avviato" #. Tag: para #, fuzzy, no-c-format msgid "If Public-IP can’t run anywhere, neither can Email;" msgstr "Se Public-IP non può essere avviata ovunque, anche Email non verrà avviata" #. Tag: para #, fuzzy, no-c-format msgid "but if Email can’t run anywhere, this does not affect Public-IP in any way" msgstr "Il fatto che Email non può essere avviata ovunque non influisce minimamente su Public-IP" #. Tag: para #, no-c-format msgid "The group above is logically equivalent to writing:" msgstr "Il gruppo descritto è locicamente equivalente alla seguente definizione:" #. Tag: title #, no-c-format msgid "How the cluster sees a group resource" msgstr "Come il gruppo di risorse è visto dal cluster" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<configuration>\n" " <resources>\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"xxx\" rsc=\"Email\" with-rsc=\"Public-IP\" score=\"INFINITY\"/>\n" " <rsc_order id=\"yyy\" first=\"Public-IP\" then=\"Email\"/>\n" " </constraints>\n" "</configuration>" msgstr "" "\n" "\n" " <configuration>\n" " <resources>\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id="Email" class="lsb" type="exim"/>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id="xxx" rsc="Email" with-rsc="Public-IP" score="INFINITY"/>\n" " <rsc_order id="yyy" first="Public-IP" then="Email"/>\n" " </constraints>\n" " </configuration>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "Obviously as the group grows bigger, the reduced configuration effort can become significant." msgstr "Ovviamente a fronte di gruppi che crescono in grandezza, il risparmio di dichiarazioni in configurazione può diventare considerevole" #. Tag: para #, no-c-format msgid "Another (typical) example of a group is a DRBD volume, the filesystem mount, an IP address, and an application that uses them." msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Group Properties" msgstr "Proprietà" #. Tag: title #, no-c-format msgid "Properties of a Group Resource" msgstr "Proprietà di un gruppo di risorse" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the group idGroup Resource Property Group Resource Property ResourceGroup Propertyid Group Propertyid id " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Group Options" msgstr "Opzioni" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "Opzioni ereditate da simple resources: priority, target-role, is-managed" #. Tag: title #, fuzzy, no-c-format msgid "Group Instance Attributes" msgstr "Attributi dell'istanza" #. Tag: para #, fuzzy, no-c-format msgid "Groups have no instance attributes, however any that are set here will be inherited by the group’s children." msgstr "I gruppi non hanno attributi di istanza, ad ogni modo qualsiasi attributo dichiarato all'interno verrà ereditato dai componenti del gruppo." #. Tag: title #, fuzzy, no-c-format msgid "Group Contents" msgstr "Contenuti" #. Tag: para #, fuzzy, no-c-format msgid "Groups may only contain a collection of cluster resources. To refer to the child of a group resource, just use the child’s id instead of the group’s." msgstr "I gruppi possono contenere unicamente una collezione di risorse di tipo primitive . Per riferirsi ad un membro del gruppo è sufficiente utilizzare l'id del membro anziché quello del gruppo." #. Tag: title #, fuzzy, no-c-format msgid "Group Constraints" msgstr "Constraints" #. Tag: para #, fuzzy, no-c-format msgid "Although it is possible to reference the group’s children in constraints, it is usually preferable to use the group’s name instead." msgstr "Anche se è possibile riferirsi ai membri del gruppo nelle constraint, è preferibile utilizzare direttamente il nome del gruppo." #. Tag: title #, no-c-format msgid "Example constraints involving groups" msgstr "Esempio di constraint che coinvolgono i gruppi" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"group-prefers-node1\" rsc=\"shortcut\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"webserver-with-group\" rsc=\"Webserver\" with-rsc=\"shortcut\"/>\n" " <rsc_order id=\"start-group-then-webserver\" first=\"Webserver\" then=\"shortcut\"/>\n" "</constraints>" msgstr "" "\n" "\n" " <constraints>\n" " <rsc_location id="group-prefers-node1" rsc="shortcut" node="node1" score="500"/>\n" " <rsc_colocation id="webserver-with-group" rsc="Webserver" with-rsc="shortcut"/>\n" " <rsc_order id="start-group-then-webserver" first="Webserver" then="shortcut"/>\n" " </constraints>\n" "\n" "\t " #. Tag: title #, fuzzy, no-c-format msgid "Group Stickiness" msgstr "Stickiness" #. Tag: para #, no-c-format msgid " resource-stickinessGroups Groups " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Stickiness, the measure of how much a resource wants to stay where it is, is additive in groups. Every active resource of the group will contribute its stickiness value to the group’s total. So if the default resource-stickiness is 100, and a group has seven members, five of which are active, then the group as a whole will prefer its current location with a score of 500." msgstr "La Stickiness, ossia la misura di quanto una risorsa vuole rimanere dov'è, all'interno dei gruppi è sommata per ciascun membro. Ogni membro attivo contribuirà con il proprio valore di stickiness al totale del gruppo. Quindi se la resource-stickiness di default è 100 ed un gruppo ha sette membri, cinque dei quali attivi, allora il gruppo preferirà la locazione attuale con un punteggio di 500." #. Tag: title #, fuzzy, no-c-format msgid "Clones - Resources That Get Active on Multiple Hosts" msgstr "Cloni - Risorse che devono essere attive su host multipli8" #. Tag: para #, no-c-format msgid " Clone Resources ResourcesClones Clones " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Clones were initially conceived as a convenient way to start N instances of an IP resource and have them distributed throughout the cluster for load balancing. They have turned out to quite useful for a number of purposes including integrating with Red Hat’s DLM, the fencing subsystem, and OCFS2." msgstr "Le risorse clone sono stati inizialmente concepiti come una via economica per avere N istanze di una risorsa IP distribuite nel cluster per il bilanciamento del carico. Esse sono tornate poi utili per diversi scopi, compresa l'integrazione con il sistema DLM di Red Hat, il sottosistema di fencing ed OCFS2." #. Tag: para #, fuzzy, no-c-format msgid "You can clone any resource, provided the resource agent supports it." msgstr "E' possibile clonare qualsiasi risorsa se il resource agent lo supporta. " #. Tag: para #, fuzzy, no-c-format msgid "Three types of cloned resources exist:" msgstr "Esistono tre tipi di risorsa clonata." #. Tag: para #, no-c-format msgid "Anonymous" msgstr "Anonymous" #. Tag: para #, no-c-format msgid "Globally Unique" msgstr "Globally Unique" #. Tag: para #, no-c-format msgid "Stateful" msgstr "Stateful" #. Tag: para #, no-c-format msgid "Anonymous clones are the simplest type. These resources behave completely identically everywhere they are running. Because of this, there can only be one copy of an anonymous clone active per machine." msgstr "I cloni di tipo Anonymous sono il tipo più semplice. Queste risorse si comportano in maniera identica ovunque sono avviate. Per questo può esistere solo una copia attiva di un clone di tipo Anonymous per ciascuna macchina." #. Tag: para #, no-c-format msgid "Globally unique clones are distinct entities. A copy of the clone running on one machine is not equivalent to another instance on another node. Nor would any two copies on the same node be equivalent." msgstr "I cloni di tipo Globally unique sono entità distinte. Una copia del clone che funziona su una macchina non è equivalente ad un'altra istanza su un altro nodo. Due copie sullo stesso nodo non sarebbero comunque equivalenti." #. Tag: para #, no-c-format msgid "Stateful clones are covered later in ." msgstr "I cloni di tipo Stateful sono descritti nella sezione ." #. Tag: title #, no-c-format msgid "An example clone" msgstr "Un esempio di risorsa clonata" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<clone id=\"apache-clone\">\n" " <meta_attributes id=\"apache-clone-meta\">\n" " <nvpair id=\"apache-unique\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"apache\" class=\"lsb\" type=\"apache\"/>\n" "</clone>" msgstr "" "\n" "\n" " <clone id="apache-clone">\n" " <meta_attributes id="apache-clone-meta">\n" " <nvpair id="apache-unique" name="globally-unique" value="false"/>\n" " </meta_attributes>\n" " <primitive id="apache" class="lsb" type="apache"/>\n" " </clone>\n" "\n" "\t" #. Tag: title #, fuzzy, no-c-format msgid "Clone Properties" msgstr "Proprietà" #. Tag: title #, no-c-format msgid "Properties of a Clone Resource" msgstr "Proprietà di una risorsa di tipo clone" #. Tag: para #, no-c-format msgid "Your name for the clone idClone Property Clone Property ClonePropertyid Propertyid id " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Clone Options" msgstr "Opzioni" #. Tag: title #, no-c-format msgid "Clone specific configuration options" msgstr "Opzioni specifiche di configurazione per le risorse Clone" #. Tag: para #, no-c-format msgid "clone-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource to start. Defaults to the number of nodes in the cluster. clone-maxClone Option Clone Option CloneOptionclone-max Optionclone-max clone-max " msgstr "" #. Tag: para #, no-c-format msgid "clone-node-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource can be started on a single node; default 1. clone-node-maxClone Option Clone Option CloneOptionclone-node-max Optionclone-node-max clone-node-max " msgstr "" #. Tag: para #, no-c-format msgid "notify" msgstr "" #. Tag: para #, no-c-format msgid "When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: false, true notifyClone Option Clone Option CloneOptionnotify Optionnotify notify " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "globally-unique" msgstr "globally-unique" #. Tag: para #, no-c-format msgid "Does each copy of the clone perform a different function? Allowed values: false, true globally-uniqueClone Option Clone Option CloneOptionglobally-unique Optionglobally-unique globally-unique " msgstr "" #. Tag: para #, no-c-format msgid "ordered" msgstr "" #. Tag: para #, no-c-format msgid "Should the copies be started in series (instead of in parallel). Allowed values: false, true orderedClone Option Clone Option CloneOptionordered Optionordered ordered " msgstr "" #. Tag: para #, no-c-format msgid "interleave" msgstr "" #. Tag: para #, no-c-format msgid "Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: false, true interleaveClone Option Clone Option CloneOptioninterleave Optioninterleave interleave " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Clone Instance Attributes" msgstr "Attributi dell'istanza" #. Tag: para #, fuzzy, no-c-format msgid "Clones have no instance attributes; however, any that are set here will be inherited by the clone’s children." msgstr "Le risorse clone non possiedono attributi istanza, ad ogni modo questi se valorizzati vengono ereditati da tutte le risorse clone figlio." #. Tag: title #, fuzzy, no-c-format msgid "Clone Contents" msgstr "Contenuti" #. Tag: para #, no-c-format msgid "Clones must contain exactly one group or one regular resource." msgstr "Le risorse clone devono contenere esattamente un gruppo od una risorsa regolare." #. Tag: para #, fuzzy, no-c-format msgid "You should never reference the name of a clone’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "Non bisognerebbe mai riferirsi direttamente alle risorse clone figlio. Se è nelle proprie intenzioni farlo, allora probabilmente sarà necessario rivedere i propri piani." #. Tag: title #, fuzzy, no-c-format msgid "Clone Constraints" msgstr "Constraints" #. Tag: para #, fuzzy, no-c-format msgid "In most cases, a clone will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the clone’s id is used." msgstr "In molti casi, un clone avrà una singola copia della risorsa su ogni nodo attivo del cluster. Ad ogni modo è possibile indicare a quali nodi del cluster assegnare le copie delle risorse mediante contraint di tipo location. Queste constraint sono scritte in maniera del tutto simile a quelle delle risorse regolari, eccezione fatta per l'id utilizzato che deve essere quello della risorsa clone." #. Tag: para #, fuzzy, no-c-format msgid "Ordering constraints behave slightly differently for clones. In the example below, apache-stats will wait until all copies of the clone that need to be started have done so before being started itself. Only if no copies can be started apache-stats will be prevented from being active. Additionally, the clone will wait for apache-stats to be stopped before stopping the clone." msgstr "Le constraint di tipo order funzionano in una forma differente per i cloni. Nell'esempio sotto, apache-stats aspetterà finché tutte le copie del clone che necessitano di essere avviate lo siano. Solo se nessuna copia può essere avviata ad apache-stats verrà impedito di avviarsi. In aggiunta, la risorsa clone aspetterà che apache-stats sia stoppata prima di stoppare se stessa." #. Tag: para #, fuzzy, no-c-format msgid "Colocation of a regular (or group) resource with a clone means that the resource can run on any machine with an active copy of the clone. The cluster will choose a copy based on where the clone is running and the resource’s own location preferences." msgstr "Effettuare una colocation di una risorsa (o gruppo) con un clone significa che la risorsa può funzionare su qualsiasi macchine che possiede una copia attiva del clone. Il cluster sceglierà la copia in base a dove il clone sta funzionando ed in base alle preferenze di locazione della risorsa (rsc)." #. Tag: para #, fuzzy, no-c-format msgid "Colocation between clones is also possible. In such cases, the set of allowed locations for the clone is limited to nodes on which the clone is (or will be) active. Allocation is then performed as normally." msgstr "E' possibile utilizzare colocation con le risorse clone. In questi casi il set di locazioni consentite per la risorsa clone viene limitato ai nodi su cui il clone è (o sarà) attivo. A questo punto l'allocazione verrà effettuata normalmente." #. Tag: title #, no-c-format msgid "Example constraints involving clones" msgstr "Esempi di constraint che coinvolgono cloni" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"clone-prefers-node1\" rsc=\"apache-clone\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"stats-with-clone\" rsc=\"apache-stats\" with=\"apache-clone\"/>\n" " <rsc_order id=\"start-clone-then-stats\" first=\"apache-clone\" then=\"apache-stats\"/>\n" "</constraints>" msgstr "" "\n" "\n" " <constraints>\n" " <rsc_location id="clone-prefers-node1" rsc="apache-clone" node="node1" score="500"/>\n" " <rsc_colocation id="stats-with-clone" rsc="apache-stats" with="apache-clone"/>\n" " <rsc_order id="start-clone-then-stats" first="apache-clone" then="apache-stats"/>\n" " </constraints>\n" "\n" "\t " #. Tag: title #, fuzzy, no-c-format msgid "Clone Stickiness" msgstr "Stickiness" #. Tag: para #, no-c-format msgid " resource-stickinessClones Clones " msgstr "" #. Tag: para #, no-c-format msgid "To achieve a stable allocation pattern, clones are slightly sticky by default. If no value for resource-stickiness is provided, the clone will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "Per fare in modo che abbiano una locazione stabile le risorse clone sono per default sticky (ossia collose). Se non viene specificato alcun valore relativo a resource-stickiness, la risorsa clone utilizzerà il valore di 1. Essendo un valore ridotto, esso causa il disturbo minimo nel calcolo del punteggio delle altre risorse, ma è sufficiente per prevenire Pacemaker dal muovere inutilmente copie delle risorse nel cluster." #. Tag: title #, fuzzy, no-c-format msgid "Clone Resource Agent Requirements" msgstr "Requisiti del resource agent" #. Tag: para #, fuzzy, no-c-format msgid "Any resource can be used as an anonymous clone, as it requires no additional support from the resource agent. Whether it makes sense to do so depends on your resource and its resource agent." msgstr "Ogni risorsa può essere usata come un clone anonimo dato che non richiede supporto aggiuntivo all'interno del resource agent. Dove abbia senso fare ciò dipende dalla propria risorsa e dal relativo resource agent." #. Tag: para #, fuzzy, no-c-format msgid "Globally unique clones do require some additional support in the resource agent. In particular, it must only respond with other probes for instances of the clone should result in they should return one of the other OCF error codes." msgstr "I cloni di tipo Globally unique richiedono supporto aggiuntivo all'interno del resource agent. In particolare, la risorsa dovrà rispondere solamente con ${OCF_SUCCESS} se il nodo ha l'esatta istanza attiva. Tutti gli altri tipi di interrogazione sul clone dovrebbero risultare in ${OCF_NOT_RUNNING}. A meno che ovviamente esse falliscano, caso in cui dovranno restituire i relativi codici di errore OCF." #. Tag: para #, fuzzy, no-c-format msgid "Copies of a clone are identified by appending a colon and a numerical offset, eg. apache:2." msgstr "Le copie di un clone vengono identificate con l'aggiunta di due punti ed un contatore numerico. Ad esempio apache:2" #. Tag: para #, fuzzy, no-c-format msgid "Resource agents can find out how many copies there are by examining the OCF_RESKEY_CRM_meta_clone_max environment variable and which copy it is by examining OCF_RESKEY_CRM_meta_clone." msgstr "Un resource agent può ricavare quante copie di se stesso sono attive esaminando la variabile d'ambiente OCF_RESKEY_CRM_meta_clone_max e quale copia questa sia analizzando OCF_RESKEY_CRM_meta_clone." #. Tag: para #, fuzzy, no-c-format msgid "You should not make any assumptions (based on OCF_RESKEY_CRM_meta_clone) about which copies are active. In particular, the list of active copies will not always be an unbroken sequence, nor always start at 0." msgstr "E' bene non fare assunzioni (basandosi su OCF_RESKEY_CRM_meta_clone) su quali copie siano attive. In particolare la lista delle copie attive non sarà necessariamente in sequenza e non partirà necessariamente da 0." #. Tag: title #, fuzzy, no-c-format msgid "Clone Notifications" msgstr "Notifiche" #. Tag: para #, no-c-format msgid "Supporting notifications requires the notify action to be implemented. Once supported, the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "Il supporto alle notifiche comporta che l'azione notify sia implementata. Una volta che questa è supportata all'azione notify verranno passate un numero di variabili extra che, quando combinate con le informazioni aggiuntive, potranno essere utilizzate per calcolare lo stato attuale del cluster e cosa sta per succedere ad esso." #. Tag: title #, no-c-format msgid "Environment variables supplied with Clone notify actions" msgstr "Variabili d'ambiente fornite alle azioni notify delle risorse clone" #. Tag: entry #, no-c-format msgid "Variable" msgstr "Variabile" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_type" msgstr "OCF_RESKEY_CRM_meta_notify_type" #. Tag: para #, no-c-format msgid "Allowed values: pre, post Environment VariableOCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type type typeNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_operation" msgstr "OCF_RESKEY_CRM_meta_notify_operation" #. Tag: para #, no-c-format msgid "Allowed values: start, stop Environment VariableOCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation operation operationNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, no-c-format msgid "Resources to be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource start_resource start_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, no-c-format msgid "Resources to be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, no-c-format msgid "Resources that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, no-c-format msgid "Resources that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_uname" msgstr "OCF_RESKEY_CRM_meta_notify_start_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources will be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname start_uname start_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_uname" msgstr "OCF_RESKEY_CRM_meta_notify_stop_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources will be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname stop_uname stop_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_uname" msgstr "OCF_RESKEY_CRM_meta_notify_active_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname active_uname active_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_uname" msgstr "OCF_RESKEY_CRM_meta_notify_inactive_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname inactive_uname inactive_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The variables come in pairs, such as OCF_RESKEY_CRM_meta_notify_start_resource and OCF_RESKEY_CRM_meta_notify_start_uname and should be treated as an array of whitespace separated elements." msgstr "Le variabili vengono considerate a coppie, come OCF_RESKEY_CRM_meta_notify_start_resource e OCF_RESKEY_CRM_meta_notify_start_uname e dovrebbero essere tratta come un array di elementi separati da spazi." #. Tag: para #, fuzzy, no-c-format msgid "Thus in order to indicate that clone:0 will be started on sles-1, clone:2 will be started on sles-3, and clone:3 will be started on sles-2, the cluster would set" msgstr "Quindi per indicare che clone:0 verrà avviato su sles-, clone:2 verrà avviato su sles-3 e clone:3 verrà avviato su sles-2, il cluser imposterà" #. Tag: title #, no-c-format msgid "Example notification variables" msgstr "Esempio di variabili notifica" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "OCF_RESKEY_CRM_meta_notify_start_resource=\"clone:0 clone:2 clone:3\"\n" "OCF_RESKEY_CRM_meta_notify_start_uname=\"sles-1 sles-3 sles-2\"" msgstr "OCF_RESKEY_CRM_meta_notify_start_resource="clone:0 clone:2 clone:3"" #. Tag: title #, no-c-format msgid "Proper Interpretation of Notification Environment Variables" msgstr "Corretta interpretazione delle variabili di notifica d'ambiente" #. Tag: title #, fuzzy, no-c-format msgid "Pre-notification (stop):" msgstr "Pre-notification (stop)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "Risorse attive: $OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Inactive resources: $OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "Risorse inattive: $OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "Risorse da avviare: $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "Risorse da stoppare: $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: title #, fuzzy, no-c-format msgid "Post-notification (stop) / Pre-notification (start):" msgstr "Post-notification (stop) / Pre-notification (start)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources" msgstr "Risorse attive:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "meno $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "Inactive resources" msgstr "Risorse inattive:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "più $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "Risorse che sono state avviate: $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "Risorse che sono state stoppate: $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: title #, fuzzy, no-c-format msgid "Post-notification (start):" msgstr "Post-notification (start)" #. Tag: para #, no-c-format msgid "Active resources:" msgstr "Risorse attive:" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "più $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, no-c-format msgid "Inactive resources:" msgstr "Risorse inattive:" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "meno $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: title #, no-c-format msgid "Multi-state - Resources That Have Multiple Modes" msgstr "Multi-state - Risorse con modalità multipla" #. Tag: para #, no-c-format msgid " Multi-state Resources ResourcesMulti-state Multi-state " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Multi-state resources are a specialization of Clone resources; please ensure you understand the section on clones before continuing! They allow the instances to be in one of two operating modes; these are called Master and Slave, but can mean whatever you wish them to mean. The only limitation is that when an instance is started, it must come up in the Slave state." msgstr "Le risorse multi-state sono una specializzazione delle risorse clone (assicurarsi di aver compreso la sezione precedente relativa alle risorse clone prima di continuare) che consentono alle istanze di essere in una delle due modalità operative. Queste modalità sono chiamate Master e Slave ma tali nomi possono avere il significato che gli si vuole attribuire. L'unica limitazione è che quando un'istanza viene avviata, deve esserlo in stato Slave." #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Properties" msgstr "Utilizzare le risorse multi-state" #. Tag: title #, no-c-format msgid "Properties of a Multi-State Resource" msgstr "Proprietà delle risorse multi-state" #. Tag: para #, no-c-format msgid "Your name for the multi-state resource idMulti-State Property Multi-State Property Multi-StatePropertyid Propertyid id " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Options" msgstr "Utilizzare le risorse multi-state" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "Opzioni ereditate da simple resources: priority, target-role, is-managed" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from clone resources: clone-max, clone-node-max, notify, globally-unique, ordered, interleave" msgstr "Opzioni ereditate da clone resources: clone-max, clone-node-max, notify, globally-unique, ordered, interleave" #. Tag: title #, no-c-format msgid "Multi-state specific resource configuration options" msgstr "Opzioni di configurazione specifiche alle risorse multi-state" #. Tag: para #, no-c-format msgid "master-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource can be promoted to master status; default 1. master-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-max Optionmaster-max master-max " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "master-node-max" msgstr "master-node-max" #. Tag: para #, no-c-format msgid "How many copies of the resource can be promoted to master status on a single node; default 1. master-node-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-node-max Optionmaster-node-max master-node-max " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Instance Attributes" msgstr "Attributi dell'istanza" #. Tag: para #, fuzzy, no-c-format msgid "Multi-state resources have no instance attributes; however, any that are set here will be inherited by master’s children." msgstr "Le risorse multi-state non hanno attributi di istanza, ad ogni modo qualsiasi attributo settato viene ereditato dai figli del master." #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Contents" msgstr "Utilizzare le risorse multi-state" #. Tag: para #, no-c-format msgid "Masters must contain exactly one group or one regular resource." msgstr "Le risorse master devono contenere esattamente un gruppo o una singola risorsa regolare." #. Tag: para #, fuzzy, no-c-format msgid "You should never reference the name of a master’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "Non ci si dovrebbe mai riferire direttamente alle risorse figlio del master. Se è nelle proprie intenzioni farlo, allora probabilmente sarà necessario rivedere i propri piani." #. Tag: title #, no-c-format msgid "Monitoring Multi-State Resources" msgstr "Monitoraggio delle risorse multi-state" #. Tag: para #, fuzzy, no-c-format msgid "The normal type of monitor actions are not sufficient to monitor a multi-state resource in the Master state. To detect failures of the Master instance, you need to define an additional monitor action with role=\"Master\"." msgstr "L'azione di monitor normale che viene definita non è sufficiente a monitorare una risorsa multi-state che è in stato master. Per rilevare malfunzionamenti sull'istanza master è necessario definire azioni di monitoraggio aggiuntive mediante role="Master"." #. Tag: para #, fuzzy, no-c-format msgid "It is crucial that every monitor operation has a different interval!" msgstr "E' cruciale che ogni operazione di monitora avvenga in intervalli differenti" #. Tag: para #, no-c-format msgid "This is because Pacemaker currently differentiates between operations only by resource and interval; so if eg. a master/slave resource has the same monitor interval for both roles, Pacemaker would ignore the role when checking the status - which would cause unexpected return codes, and therefore unnecessary complications." msgstr "" #. Tag: title #, no-c-format msgid "Monitoring both states of a multi-state resource" msgstr "Monitorare entrambi gli stati di una risorsa multi-state" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<master id=\"myMasterRsc\">\n" " <primitive id=\"myRsc\" class=\"ocf\" type=\"myApp\" provider=\"myCorp\">\n" " <operations>\n" " <op id=\"public-ip-slave-check\" name=\"monitor\" interval=\"60\"/>\n" " <op id=\"public-ip-master-check\" name=\"monitor\" interval=\"61\" role=\"Master\"/>\n" " </operations>\n" " </primitive>\n" "</master>" msgstr "" "\n" "\n" " <master id="myMasterRsc">\n" " <primitive id="myRsc" class="ocf" type="myApp" provider="myCorp">\n" " <operations>\n" " <op id="public-ip-slave-check" name="monitor" interval="60"/>\n" " <op id="public-ip-master-check" name="monitor" interval="61" role="Master"/>\n" " </operations>\n" " </primitive>\n" " </master>\n" "\n" "\t " #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Constraints" msgstr "Constraints" #. Tag: para #, fuzzy, no-c-format msgid "In most cases, a multi-state resources will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the master’s id is used." msgstr "Nella maggioranza dei casi, una risorsa multi-state avrà una singola copia su ogni nodo del cluster attivo. Ad ogni modo è possibile indicare a quali nodi del cluster assegnare le copie delle risorse mediante contraint di tipo location. Queste constraint sono scritte in maniera del tutto simile a quelle delle risorse regolari, eccezione fatta per l'id utilizzato che deve essere quello della risorsa master." #. Tag: para #, fuzzy, no-c-format msgid "When considering multi-state resources in constraints, for most purposes it is sufficient to treat them as clones. The exception is when the rsc-role and/or with-rsc-role fields (for colocation constraints) and first-action and/or then-action fields (for ordering constraints) are used." msgstr "Quando si considerano le risorse multi-state all'interno delle constraint, generalmente è sufficiente trattarle come cloni. L'eccezione avviene quando sono utilizzati i valori rsc-role e/o with-rsc-role (per constraint di tipo colocation) e first-action e/o then-action (per constraint di tipo order)." #. Tag: title #, no-c-format msgid "Additional constraint options relevant to multi-state resources" msgstr "Opzioni aggiuntive per le constraint relative alle risorse multi-state" #. Tag: para #, no-c-format msgid "rsc-role" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that rsc must be in. Allowed values: Started, Master, Slave. rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingrsc-role Orderingrsc-role rsc-role " msgstr "" #. Tag: para #, no-c-format msgid "with-rsc-role" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that with-rsc must be in. Allowed values: Started, Master, Slave. with-rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingwith-rsc-role Orderingwith-rsc-role with-rsc-role " msgstr "" #. Tag: para #, no-c-format msgid "first-action" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the first resource must complete before executing the specified action for the then resource. Allowed values: start, stop, promote, demote. first-actionOrdering Constraints Ordering Constraints ConstraintsOrderingfirst-action Orderingfirst-action first-action " msgstr "" #. Tag: para #, no-c-format msgid "then-action" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the then resource can only execute after the first-action on the first resource has completed. Allowed values: start, stop, promote, demote. Defaults to the value (specified or implied) of first-action. then-actionOrdering Constraints Ordering Constraints ConstraintsOrderingthen-action Orderingthen-action then-action " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In the example below, myApp will wait until one of the database copies has been started and promoted to master before being started itself. Only if no copies can be promoted will apache-stats be prevented from being active. Additionally, the database will wait for myApp to be stopped before it is demoted." msgstr "Nell'esempio sottostante, myApp aspetterà finché una delle copie del database verrà avviata e promossa a master prima di avviarsi essa stessa. Solo se nessuna copia può essere promossa allora apache-stats non sarà avviata. In aggiunta il database aspetterà finché myApp verra stoppata prima di essere degradato." #. Tag: title #, no-c-format msgid "Example constraints involving multi-state resources" msgstr "Esempio di constraint che coinvolge risorse multi-state" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"db-prefers-node1\" rsc=\"database\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"backup-with-db-slave\" rsc=\"backup\"\n" " with-rsc=\"database\" with-rsc-role=\"Slave\"/>\n" " <rsc_colocation id=\"myapp-with-db-master\" rsc=\"myApp\"\n" " with-rsc=\"database\" with-rsc-role=\"Master\"/>\n" " <rsc_order id=\"start-db-before-backup\" first=\"database\" then=\"backup\"/>\n" " <rsc_order id=\"promote-db-then-app\" first=\"database\" first-action=\"promote\"\n" " then=\"myApp\" then-action=\"start\"/>\n" "</constraints>" msgstr "" "\n" "\n" " <constraints>\n" " <rsc_location id="db-prefers-node1" rsc="database" node="node1" score="500"/>\n" " <rsc_colocation id="backup-with-db-slave" rsc="backup" with-rsc="database" with-rsc-role="Slave"/>\n" " <rsc_colocation id="myapp-with-db-master" rsc="myApp" with-rsc="database" with-rsc-role="Master"/>\n" " <rsc_order id="start-db-before-backup" first="database" then="backup"/>\n" " <rsc_order id="promote-db-then-app" first="database" first-action="promote" then="myApp" then-action="start"/>\n" " </constraints>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "Colocation of a regular (or group) resource with a multi-state resource means that it can run on any machine with an active copy of the multi-state resource that is in the specified state (Master or Slave). In the example, the cluster will choose a location based on where database is running as a Master, and if there are multiple Master instances it will also factor in myApp's own location preferences when deciding which location to choose." msgstr "Effettuare una colocation di un risorsa regolare (o di un gruppo) con una risorsa multi-state significa che tale risorsa può funzionare solo la copia del clone è attiva nello stato specificato (Master o Slave). Nell'esempio, il cluster sceglierà la location in base a dove il database sta funzionando come Master. Se ci sono istanze Master multiple, ciò diventerà fattore di calcolo nel momento di decidere quale location scegliere per myApp." #. Tag: para #, fuzzy, no-c-format msgid "Colocation with regular clones and other multi-state resources is also possible. In such cases, the set of allowed locations for the rsc clone is (after role filtering) limited to nodes on which the with-rsc multi-state resource is (or will be) in the specified role. Allocation is then performed as-per-normal." msgstr "E' possibile definire colocation con risorse clone regolari ed altre risorse multi-state. In questi casi, il set delle locazioni permesse per la risorsa clone (rsc) è limitata (dopo il filtro sul ruolo) ai nodi in cui la risorsa clone associata (with-rsc) è (o sarà) nel ruolo specifico. A quel punto l'allocazione procede come di consueto." #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Stickiness" msgstr "Stickiness" #. Tag: para #, fuzzy, no-c-format msgid " resource-stickinessMulti-State Multi-State To achieve a stable allocation pattern, multi-state resources are slightly sticky by default. If no value for resource-stickiness is provided, the multi-state resource will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "Per fare in modo che abbiano una locazione stabile le risorse clone sono per default sticky (ossia collose). Se non viene specificato alcun valore relativo a resource-stickiness, la risorsa clone utilizzerà il valore di 1. Essendo un valore ridotto, esso causa il disturbo minimo nel calcolo del punteggio delle altre risorse, ma è sufficiente per prevenire Pacemaker dal muovere inutilmente copie delle risorse nel cluster." #. Tag: title #, no-c-format msgid "Which Resource Instance is Promoted" msgstr "Quale istanza della risorsa è promossa" #. Tag: para #, fuzzy, no-c-format msgid "During the start operation, most Resource Agent scripts should call the crm_master utility. This tool automatically detects both the resource and host and should be used to set a preference for being promoted. Based on this, master-max, and master-node-max, the instance(s) with the highest preference will be promoted." msgstr "Durante l'operazione di avvio, molti script dei resource agent invocano l'utility crm_master. Questa utility rileva automaticamente sia la risorsa che l'host e dovrebbe essere usata per impostare la preferenza sull'essere promossa. Basandosi su questo, master-max, e master-node-max l'istanza con la più alta preferenza viene promossa." #. Tag: para #, no-c-format msgid "The other alternative is to create a location constraint that indicates which nodes are most preferred as masters." msgstr "" #. Tag: title #, no-c-format msgid "Manually specifying which node should be promoted" msgstr "Specificare manualmente quale nodo dovrebbe essere promosso" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"master-location\" rsc=\"myMasterRsc\">\n" " <rule id=\"master-rule\" score=\"100\" role=\"Master\">\n" " <expression id=\"master-exp\" attribute=\"#uname\" operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="master-location" rsc="myMasterRsc">\n" " <rule id="master-rule" score="100" role="Master">\n" " <expression id="master-exp" attribute="#uname" operation="eq" value="node1"/>\n" " </rule>\n" " </rsc_location>\n" "\n" "\t " #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Resource Agent Requirements" msgstr "Requisiti del resource agent" #. Tag: para #, fuzzy, no-c-format msgid "Since multi-state resources are an extension of cloned resources, all the requirements of Clones are also requirements of multi-state resources. Additionally, multi-state resources require two extra actions: demote and promote; these actions are responsible for changing the state of the resource. Like start and stop, they should return OCF_SUCCESS if they completed successfully or a relevant error code if they did not." msgstr "Dal momneto che le risorse multi-state sono un'estensione delle risorse clonate, tutti i requisiti dei cloni sono requisiti anche delle risrose multi-state. In aggiunta, le risorse multi-state richiedono due azioni extra che sono demote e promote. Queste azioni sono responsabili del cambio di stato della risorsa. Come start e stop, devono restituire OCF_SUCCESS se tutto viene completato con successo o un codice di errore rilevante se qualcosa è andato storto." #. Tag: para #, fuzzy, no-c-format msgid "The states can mean whatever you wish, but when the resource is started, it must come up in the mode called Slave. From there the cluster will then decide which instances to promote to Master." msgstr "Gli stati possono significare qualsiasi cosa si voglia, ma quando la risorsa viene avviata, essa deve salire nella modalità denominata Slave. Da qui il cluster deciderà quindi quale istanza promuovere a Master." #. Tag: para #, no-c-format msgid "In addition to the Clone requirements for monitor actions, agents must also accurately report which state they are in. The cluster relies on the agent to report its status (including role) accurately and does not indicate to the agent what role it currently believes it to be in." msgstr "In aggiunta ai requisiti per le azioni di monitor relativi alle risorse clone, gli agent devono anche riportare accuratamente in quale stato essi si trovano. Il cluster si affida all'agent per riportare il proprio stato (incluso il ruolo) accuratamente e non indica all'agente in quale ruolo ritiene che la risorsa si trovi." #. Tag: title #, no-c-format msgid "Role implications of OCF return codes" msgstr "Implicazioni dei ruoli nei return code OCF" #. Tag: entry #, no-c-format msgid "Monitor Return Code" msgstr "Return code del monitor" #. Tag: para #, no-c-format msgid "OCF_NOT_RUNNING" msgstr "OCF_NOT_RUNNING" #. Tag: para #, no-c-format msgid "Stopped Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "OCF_SUCCESS" #. Tag: para #, no-c-format msgid "Running (Slave) Return CodeOCF_SUCCESS OCF_SUCCESS " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "OCF_RUNNING_MASTER" #. Tag: para #, no-c-format msgid "Running (Master) Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "OCF_FAILED_MASTER" msgstr "OCF_FAILED_MASTER" #. Tag: para #, no-c-format msgid "Failed (Master) Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "Other" msgstr "Atro" #. Tag: para #, no-c-format msgid "Failed (Slave)" msgstr "Fallito (Slave)" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Notifications" msgstr "Notifiche" #. Tag: para #, fuzzy, no-c-format msgid "Like clones, supporting notifications requires the notify action to be implemented. Once supported the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "Come nei cloni, il supporto alle notifiche richiede che l'azione notify venga implementata. Una volta supportate, alle azioni notify verranno passati un numero extra di variabili che, quando combinate con contesti aggiuntivi, possono essere usate per calcolare lo stato attuale del cluster e cosa sta per succedere ad esso." #. Tag: title #, fuzzy, no-c-format msgid "Environment variables supplied with Master notify actions Emphasized variables are specific to Master resources and all behave in the same manner as described for Clone resources." msgstr "Variabili d'ambiente fornite con le azioni notify Master Le variabili in grassetto sono specifiche alle risorse Master e si comportano allo stesso modo di come descritto per le risorse clone." #. Tag: para #, no-c-format msgid "Resources the that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "Resources the that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, no-c-format msgid "Resources that are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_resource OCF_RESKEY_CRM_meta_notify_master_resource master_resource master_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: para #, no-c-format msgid "Resources that are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_resource OCF_RESKEY_CRM_meta_notify_slave_resource slave_resource slave_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid " Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be stopped" msgstr "La risorsa da stoppare" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, no-c-format msgid "Resources to be promoted Environment VariableOCF_RESKEY_CRM_meta_notify_promote_resource OCF_RESKEY_CRM_meta_notify_promote_resource promote_resource promote_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: para #, no-c-format msgid "Resources to be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_resource OCF_RESKEY_CRM_meta_notify_demote_resource demote_resource demote_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_uname" msgstr "OCF_RESKEY_CRM_meta_notify_promote_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources will be promote Environment VariableOCF_RESKEY_CRM_meta_notify_promote_uname OCF_RESKEY_CRM_meta_notify_promote_uname promote_uname promote_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_uname" msgstr "OCF_RESKEY_CRM_meta_notify_demote_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources will be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_uname OCF_RESKEY_CRM_meta_notify_demote_uname demote_uname demote_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_uname" msgstr "OCF_RESKEY_CRM_meta_notify_master_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_uname OCF_RESKEY_CRM_meta_notify_master_uname master_uname master_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_uname" msgstr "OCF_RESKEY_CRM_meta_notify_slave_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_uname OCF_RESKEY_CRM_meta_notify_slave_uname slave_uname slave_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state - Proper Interpretation of Notification Environment Variables" msgstr "Corretta interpretazione delle variabili di notifica d'ambiente" #. Tag: title #, fuzzy, no-c-format msgid "Pre-notification (demote):" msgstr "Pre-notification (demote)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "Risorse attive: $OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Master resources: $OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "Risorse master: $OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, fuzzy, no-c-format msgid "Slave resources: $OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "Risorse slave: $OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "Risorse da promuovere: $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "Risorse da degradare: $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: title #, fuzzy, no-c-format msgid "Post-notification (demote) / Pre-notification (stop):" msgstr "Post-notification (demote) / Pre-notification (stop)" #. Tag: para #, fuzzy, no-c-format msgid "Master resources:" msgstr "Risorse master:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "meno $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "Risorse che sono state degradate: $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: title #, no-c-format msgid "Post-notification (stop) / Pre-notification (start)" msgstr "Post-notification (stop) / Pre-notification (start)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources:" msgstr "Risorse attive:" #. Tag: para #, fuzzy, no-c-format msgid "Slave resources:" msgstr "Risorse slave:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: title #, no-c-format msgid "Post-notification (start) / Pre-notification (promote)" msgstr "Post-notification (start) / Pre-notification (promote)" #. Tag: title #, no-c-format msgid "Post-notification (promote)" msgstr "Post-notification (promote)" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "più $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "meno $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "Risorse che sono state promosse: $OCF_RESKEY_CRM_meta_notify_promote_resource" #~ msgid "id" #~ msgstr "id" #~ msgid "Your name for the group" #~ msgstr "Nome del gruppo" #~ msgid "Using Groups" #~ msgstr "Utilizzare i gruppi" #~ msgid "Your name for the clone" #~ msgstr "Nome del clone" #~ msgid "Options inherited from simple resources: priority, target-role, is-managed" #~ msgstr "Opzioni ereditate da simple resources: priority, target-role, is-managed" #~ msgid "clone-max" #~ msgstr "clone-max" #~ msgid "How many copies of the resource to start. Defaults to the number of nodes in the cluster." #~ msgstr "Quante copie della risorsa è necessario avviare. Il valore di default è il numero dei nodi del cluster." #~ msgid "clone-node-max" #~ msgstr "clone-node-max" #~ msgid "How many copies of the resource can be started on a single node. Defaults to 1." #~ msgstr "Quante copie della risorsa possono essere avviate sul singolo nodo. Il default è 1." #~ msgid "notify" #~ msgstr "notify" #~ msgid "When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: true, false" #~ msgstr "Quando una copia del clone viene avviata o stoppata, comunica l'azione in anticipo alle altre copie e comunica quando l'azione ha successo. Valori permessi: true, false" #~ msgid "Does each copy of the clone perform a different function? Allowed values: true, false" #~ msgstr "Ogni copia del clone può eseguire funzioni differenti? Valori permessi: true, false" #~ msgid "ordered" #~ msgstr "ordered" #~ msgid "Should the copies be started in series (instead of in parallel). Allowed values: true, false" #~ msgstr "Le copie devono essere avviate in serie (anziché in parallelo)? Valori permessi: true, false" #~ msgid "interleave" #~ msgstr "interleave" #~ msgid "Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: true, false" #~ msgstr "Modifica il comportamento delle constraint di tipo order (fra cloni/master) in modo che le istanze possano essere avviate e stoppate appena le rispettive istanze lo sono (anziché aspettare che ogni istanza degli altri cloni sia stata avviata o stoppata). Valori permessi: true, false" #~ msgid "Using Clones" #~ msgstr "Utilizzare le risorse clone" #~ msgid "Allowed values: pre, post" #~ msgstr "Valori permessi: pre, post" #~ msgid "Allowed values: start, stop" #~ msgstr "Valori permessi: start, stop" #~ msgid "Resources to be started" #~ msgstr "La risorsa da avviare" #~ msgid "Resources the that are running" #~ msgstr "Le risorse che stanno funzionando" #~ msgid "Resources the that are not running" #~ msgstr "Le risorse che non stanno funzionando" #~ msgid "Nodes on which resources will be started" #~ msgstr "I nodi su cui le risorse verranno avviate" #~ msgid "Nodes on which resources will be stopped" #~ msgstr "I nodi su cui le risorse verranno stoppate" #~ msgid "Nodes on which resources are running" #~ msgstr "I nodi su cui le risorse stanno funzionando" #~ msgid "Nodes on which resources are not running" #~ msgstr "I nodi su cui le risorse non stanno funzionando" #~ msgid "OCF_RESKEY_CRM_meta_notify_start_uname="sles-1 sles-3 sles-2"" #~ msgstr "OCF_RESKEY_CRM_meta_notify_start_uname="sles-1 sles-3 sles-2"" #~ msgid "Your name for the multi-state resource" #~ msgstr "Nome della risorsa multi-state" #~ msgid "master-max" #~ msgstr "master-max" #~ msgid "How many copies of the resource can be promoted to master status. Defaults to 1." #~ msgstr "Quante copie della risorsa possono essere promosse allo status master. Valore di default 1." #~ msgid "How many copies of the resource can be promoted to master status on a single node. Defaults to 1." #~ msgstr "Quante copie della risorsa possono essere promosse allo status master su un singolo nodo. Valore di default 1." #~ msgid "rsc-role" #~ msgstr "rsc-role" #~ msgid "An additional attribute of colocation constraints that specifies the role that rsc must be in." #~ msgstr "Un'attributo aggiuntivo di una constraint colocation che specifica il ruolo in cui la risorsa (rsc) dovrà trovarsi." #~ msgid "Allowed values: Started, Master, Slave" #~ msgstr "Valori permessi: Started, Master, Slave" #~ msgid "with-rsc-role" #~ msgstr "with-rsc-role" #~ msgid "An additional attribute of colocation constraints that specifies the role that with-rsc must be in." #~ msgstr "Un'attributo aggiuntivo di una constraint colocation che specifica il ruolo in cui la risorsa associata (with-rsc) dovrà trovarsi." #~ msgid "first-action" #~ msgstr "first-action" #~ msgid "An additional attribute of ordering constraints that specifies the action that the first resource must complete before executing the specified action for the then resource." #~ msgstr "Un'attributo aggiuntivo di una constraint di tipo order che specifica l'azione che la prima risorsa dovrà completare prima di eseguire l'azione specificata per la risorsa successiva." #~ msgid "Allowed values: start, stop, promote, demote" #~ msgstr "Valori permessi: start, stop, promote, demote" #~ msgid "then-action" #~ msgstr "then-action" #~ msgid "An additional attribute of ordering constraints that specifies the action that the then resource can only execute after the first-action on the first resource has completed." #~ msgstr "Un'attributo aggiuntivo di una constraint di tipo order che specifica l'azione che la risorsa successiva potrà eseguire solamente dopo che l'azione first-action sulla prima risorsa sarà completata." #~ msgid "Allowed values: start, stop, promote, demote. Defaults to the value (specified or implied) of first-action" #~ msgstr "Valori permessi: start, stop, promote, demote. Il valore di default (specificato o implicito) è quello relativo a first-action" #~ msgid "Stopped" #~ msgstr "Stoppato" #~ msgid "Running (Slave)" #~ msgstr "Attivo (Slave)" #~ msgid "Running (Master)" #~ msgstr "Attivo (Master)" #~ msgid "Failed (Master)" #~ msgstr "Fallito (Master)" #~ msgid "Resources that are running in Master mode" #~ msgstr "Risorse che stanno funzionando in modalità master" #~ msgid "Resources that are running in Slave mode" #~ msgstr "Risorse che stanno funzionando in modalità slave" #~ msgid "Resources to be promoted" #~ msgstr "Risorse da promuovere" #~ msgid "Resources to be demoted" #~ msgstr "Risorse da degradare" #~ msgid "Nodes on which resources will be promoted" #~ msgstr "Nodi su cui la risorsa verrà promossa" #~ msgid "Nodes on which resources will be demoted" #~ msgstr "Nodi su cui la risorsa verrà degradata" #~ msgid "Nodes on which resources are running in Master mode" #~ msgstr "Nodi su cui le risorse stanno funzionando in modalità master" #~ msgid "Nodes on which resources are running in Slave mode" #~ msgstr "Nodi su cui le risorse stanno funzionando in modalità slave" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Basics.po000066400000000000000000001100221217637305600237550ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-19 12:07+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Basics" msgstr "Nozioni di base sulla configurazione" #. Tag: title #, no-c-format msgid "Configuration Layout" msgstr "Layout della configurazione" #. Tag: para #, fuzzy, no-c-format msgid "The cluster is written using XML notation and divided into two main sections: configuration and status." msgstr "Il cluster viene scritto utilizzando la notazione XML e diviso in due sezioni principali; configuration e status." #. Tag: para #, fuzzy, no-c-format msgid "The status section contains the history of each resource on each node and based on this data, the cluster can construct the complete current state of the cluster. The authoritative source for the status section is the local resource manager (lrmd) process on each cluster node and the cluster will occasionally repopulate the entire section. For this reason it is never written to disk and administrators are advised against modifying it in any way." msgstr "La sezione status coniente lo storico di ciascuna risorsa in ciascun nodo e, sulla base di questi dati, il cluster può risalire al suo stato attuale. La sorgente autoritativa della sezione status è il processo local resource manager (lrmd) su ciascun nodo del cluster ed il cluster potrà occasionalmente ripopolare l'intera sezione. Per questa ragione essa non è mai scritta sul disco e gli amministratori sono allertati di non modificarla in alcuna maniera." #. Tag: para #, no-c-format msgid "The configuration section contains the more traditional information like cluster options, lists of resources and indications of where they should be placed. The configuration section is the primary focus of this document." msgstr "La sezione configuration contiene le informazioni più tradizionali come le opzioni del cluster, la lista delle risorse ed indicazioni su dove queste dovranno essere poste. La comprensione della sezione configuration è l'obiettivo primario di questo documento." #. Tag: para #, no-c-format msgid "The configuration section itself is divided into four parts:" msgstr "La sezione configuration è a sua volta divisa in quattro parti:" #. Tag: para #, no-c-format msgid "Configuration options (called crm_config)" msgstr "Opzioni di configurazione (chiamata crm_config)" #. Tag: para #, no-c-format msgid "Nodes" msgstr "Nodi" #. Tag: para #, no-c-format msgid "Resources" msgstr "Risorse" #. Tag: para #, no-c-format msgid "Resource relationships (called constraints)" msgstr "Relazioni delle risorse (chiamate constraints)" #. Tag: title #, no-c-format msgid "An empty configuration" msgstr "Una configurazione vuota" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>" msgstr "" "\n" "\n" " <cib generated="true" admin_epoch="0" epoch="0" num_updates="0" have-quorum="false">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "The Current State of the Cluster" msgstr "Lo stato attuale del Cluster" #. Tag: para #, fuzzy, no-c-format msgid "Before one starts to configure a cluster, it is worth explaining how to view the finished product. For this purpose we have created the crm_mon utility that will display the current state of an active cluster. It can show the cluster status by node or by resource and can be used in either single-shot or dynamically-updating mode. There are also modes for displaying a list of the operations performed (grouped by node and resource) as well as information about failures." msgstr "Prima di iniziare a configurare il cluster, vale la pena spiegare come sia possibile visionare lo stato del prodotto finito. Per questo scopo è stato creato il comando crm_mon, una utility che visualizzerà lo stato attuale di un Cluster attivo. Questo comando può visualizzare lo stato del cluster in base ai nodi o alle risorse e può essere utilizzato in modalità comando singolo o aggiornamento dinamico. Esistono poi modi per visualizzare una lista di operazioni eseguite (raggruppate per nodo o risorsa) così come informazioni in merito ai fallimenti." #. Tag: para #, no-c-format msgid "Using this tool, you can examine the state of the cluster for irregularities and see how it responds when you cause or simulate failures." msgstr "Utilizzando questo strumento è possibile esaminare le irregolarità presenti nello stato del Cluster e vedere come questo risponda una volta che tali problemi si verificano o vengono simulati." #. Tag: para #, fuzzy, no-c-format msgid "Details on all the available options can be obtained using the crm_mon --help command." msgstr "Dettagli su tutte le opzioni disponibili possono essere ottenuti utilizzando il comando crm_mon --help." #. Tag: title #, no-c-format msgid "Sample output from crm_mon" msgstr "Esempio dell'output di crm_mon" #. Tag: screen #, fuzzy, no-c-format msgid "" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3" msgstr "" "\n" " # crm_mon\n" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3" #. Tag: title #, no-c-format msgid "Sample output from crm_mon -n" msgstr "Esempio dell'output di crm_mon -n" #. Tag: screen #, fuzzy, no-c-format msgid "" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" "\n" " Resource Group: group-1\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " Clone Set: DoFencing\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3\n" " child_DoFencing:1 (stonith:external/vmware): Stopped\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1" msgstr "" "\n" " # crm_mon -n\n" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" "\n" " Resource Group: group-1\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " Clone Set: DoFencing\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3\n" " child_DoFencing:1 (stonith:external/vmware): Stopped\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1" #. Tag: para #, no-c-format msgid "The DC (Designated Controller) node is where all the decisions are made and if the current DC fails a new one is elected from the remaining cluster nodes. The choice of DC is of no significance to an administrator beyond the fact that its logs will generally be more interesting." msgstr "Sul nodo DC (Designated Controller) vengono prese tutte le decisioni e se l'attuale DC fallisce, uno nuovo viene eletto partendo dai nodi rimanenti. La scelta del DC non è di competenza dell'amministratore, mentre lo sono i log generati dallo stesso." #. Tag: title #, no-c-format msgid "How Should the Configuration be Updated?" msgstr "Come dovrebbe essere aggiornata la configurazione?" #. Tag: para #, no-c-format msgid "There are three basic rules for updating the cluster configuration:" msgstr "Ci sono tre regole base per aggiornare la configurazione del cluster:" #. Tag: para #, fuzzy, no-c-format msgid "Rule 1 - Never edit the cib.xml file manually. Ever. I’m not making this up." msgstr "Regola 1 - Non modificare MAI il file cib.xml manualmente. Mai. Non è un semplice suggerimento, ma una regola da rispettare." #. Tag: para #, no-c-format msgid "Rule 2 - Read Rule 1 again." msgstr "Regola 2 - Leggere nuovamente la regola 1." #. Tag: para #, no-c-format msgid "Rule 3 - The cluster will notice if you ignored rules 1 & 2 and refuse to use the configuration." msgstr "Regola 3 - Il cluster noterà se sono state ignorate le regole 1 e 2 e si rifiuterà di utilizzare la configurazione." #. Tag: para #, no-c-format msgid "Now that it is clear how NOT to update the configuration, we can begin to explain how you should." msgstr "Ora che è chiaro com NON modificare la configurazione, è possibile spiegare come invece si debba fare." #. Tag: para #, fuzzy, no-c-format msgid "The most powerful tool for modifying the configuration is the cibadmin command which talks to a running cluster. With cibadmin, the user can query, add, remove, update or replace any part of the configuration; all changes take effect immediately, so there is no need to perform a reload-like operation." msgstr "Lo strumento più potente per modificare la configurazione è il comando cibadmin che comunica direttamente con un cluster attivo. Con cibadmin l'utente può interrogare, aggiungere, rimuovere, aggiornare o rimpiazzare qualsiasi parte della configurazione. Tutti i cambiamenti avvengono istantaneamente, quindi non è necessario effettuare operazioni come reload." #. Tag: para #, fuzzy, no-c-format msgid "The simplest way of using cibadmin is to use it to save the current configuration to a temporary file, edit that file with your favorite text or XML editor and then upload the revised configuration." msgstr "La via pià semplice per utilizzare cibadmin è quella di salvare l'attuale configurazione in un file temporaneo, modificare questo file con il proprio editor di testo (o XML) preferito e quindi caricare la nuova configurazione." #. Tag: title #, no-c-format msgid "Safely using an editor to modify the cluster configuration" msgstr "Utilizzare un editor per modificare la configurazione del cluster in sicurezza" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --query > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --xml-file tmp.xml" msgstr "" "\n" " cibadmin --query > tmp.xml\n" " vi tmp.xml\n" " cibadmin --replace --xml-file tmp.xml\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "Some of the better XML editors can make use of a Relax NG schema to help make sure any changes you make are valid. The schema describing the configuration can normally be found in /usr/lib/heartbeat/pacemaker.rng on most systems." msgstr "Alcuni dei migliori editor XML possono utilizzare uno schema Relax NG per avere la certezza che ogni cambiamento effettuato sia valido. Lo schema che descrive la configurazione può essere normalmente trovato nel file /usr/lib/heartbeat/pacemaker.rng presente sulla maggior parte dei sistemi." #. Tag: para #, no-c-format msgid "If you only wanted to modify the resources section, you could instead do" msgstr "Se invece la necessità è quella di modificare unicamente la sezione risores, allora è possibile fare" #. Tag: title #, no-c-format msgid "Safely using an editor to modify a subsection of the cluster configuration" msgstr "Utilizzare in sicurezza un editor per modificare una sotto sezione della configurazione del cluster" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --query --obj_type resources > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --obj_type resources --xml-file tmp.xml" msgstr "" "\n" " cibadmin --query --obj_type resources > tmp.xml\n" " vi tmp.xml\n" " cibadmin --replace --obj_type resources --xml-file tmp.xml\n" "\t" #. Tag: para #, no-c-format msgid "to avoid modifying any other part of the configuration." msgstr "per consentire la modifica di qualsiasi altra parte della configurazione." #. Tag: title #, no-c-format msgid "Quickly Deleting Part of the Configuration" msgstr "Eliminare velocemente parte della configurazione" #. Tag: para #, fuzzy, no-c-format msgid "Identify the object you wish to delete. Eg. run" msgstr "Identificare l'oggetto da rimuovere, ad esempio" #. Tag: title #, no-c-format msgid "Searching for STONITH related configuration items" msgstr "Ricerca di oggetti relativi alla configurazione di STONITH" #. Tag: programlisting #, no-c-format msgid "# cibadmin -Q | grep stonith" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <nvpair id=\"cib-bootstrap-options-stonith-action\" name=\"stonith-action\" value=\"reboot\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"1\"/>\n" " <primitive id=\"child_DoFencing\" class=\"stonith\" type=\"external/vmware\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:1\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:2\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:3\" type=\"external/vmware\" class=\"stonith\">" msgstr "" "\n" " # cibadmin -Q | grep stonith\n" "\n" " <nvpair id="cib-bootstrap-options-stonith-action" name="stonith-action" value="reboot"/>\n" " <nvpair id="cib-bootstrap-options-stonith-enabled" name="stonith-enabled" value="1"/>\n" " <primitive id="child_DoFencing" class="stonith" type="external/vmware">\n" " <lrm_resource id="child_DoFencing:0" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:0" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:1" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:0" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:2" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:0" type="external/vmware" class="stonith">\n" " <lrm_resource id="child_DoFencing:3" type="external/vmware" class="stonith">\n" #. Tag: para #, fuzzy, no-c-format msgid "Next identify the resource’s tag name and id (in this case we’ll choose primitive and child_DoFencing). Then simply execute:" msgstr "Quindi identificare il tag delle risorse e l'id (in questo caso verranno selezionati primitive e child_DoFencing). Quindi eseguire semplicemente:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --delete --crm_xml '<primitive id=\"child_DoFencing\"/>'" msgstr "cibadmin --delete --crm_xml ‘<primitive id="child_DoFencing"/>'" #. Tag: title #, no-c-format msgid "Updating the Configuration Without Using XML" msgstr "Aggiornare la configurazione senza utilizzare XML" #. Tag: para #, no-c-format msgid "Some common tasks can also be performed with one of the higher level tools that avoid the need to read or edit XML." msgstr "Alcune operazioni comuni possono essere eseguite con uno dei tanti strumenti ad alto livello, per ovviare alla necessità di leggere o modificare XML." #. Tag: para #, no-c-format msgid "To enable stonith for example, one could run:" msgstr "Per abilitare stonith, ad esempio, è possibile lanciare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name stonith-enabled --attr-value true" msgstr "crm_attribute --attr-name stonith-enabled --attr-value true" #. Tag: para #, fuzzy, no-c-format msgid "Or, to see if somenode is allowed to run resources, there is:" msgstr "O per vedere se qualche nodo è abilitato ad erogare risorse, esiste:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value --node-uname somenode" msgstr "crm_standby --get-value --node-uname somenode" #. Tag: para #, fuzzy, no-c-format msgid "Or, to find the current location of my-test-rsc, one can use:" msgstr "O per trovare la posizione attuale di my-test-rsc è possibile lanciare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --locate --resource my-test-rsc" msgstr "crm_resource --locate --resource my-test-rsc" #. Tag: title #, no-c-format msgid "Making Configuration Changes in a Sandbox" msgstr "Effettuare modifiche alla configurazione in un ambiente di prova" #. Tag: para #, fuzzy, no-c-format msgid "Often it is desirable to preview the effects of a series of changes before updating the configuration atomically. For this purpose we have created crm_shadow which creates a \"shadow\" copy of the configuration and arranges for all the command line tools to use it." msgstr "A volte esiste la necessità di prevedere gli effetti di una serie di modifiche prima di aggiornare automaticamente la configurazione. A questo scopo è stato creato crm_shadow che crea una copia "shadow" della configurazione e la organizza affinché tutti gli strumenti da linea di comando possano utilizzarla." #. Tag: para #, fuzzy, no-c-format msgid "To begin, simply invoke crm_shadow and give it the name of a configuration to create Shadow copies are identified with a name, making it possible to have more than one. ; be sure to follow the simple on-screen instructions." msgstr "Per iniziare è sufficiente lanciare crm_shadow passando come parametro il nome della configurazione da creare Tutte le copie Shadow sono identificate da un nome, rendendo così possibile l'esistenza di più copie contemporaneamente ed essendo sicuri di segure le semplici istruzioni che appaiono." #. Tag: para #, fuzzy, no-c-format msgid "Read the above carefully, failure to do so could result in you destroying the cluster’s active configuration!" msgstr "Leggere quanto segue attentamente, tale mancanza potrebbe portare alla distruzione della configurazione attiva del cluster" #. Tag: title #, no-c-format msgid "Creating and displaying the active sandbox" msgstr "Creazione e visualizzazione dell'ambiente di test" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " # crm_shadow --create test\n" " Setting up shadow instance\n" " Type Ctrl-D to exit the crm_shadow shell\n" " shadow[test]:\n" " shadow[test] # crm_shadow --which\n" " test" msgstr "" "\n" " # crm_shadow --create test\n" " Setting up shadow instance\n" " Type Ctrl-D to exit the crm_shadow shell\n" " shadow[test]: \n" " shadow[test] # crm_shadow --which\n" " test" #. Tag: para #, fuzzy, no-c-format msgid "From this point on, all cluster commands will automatically use the shadow copy instead of talking to the cluster’s active configuration. Once you have finished experimenting, you can either commit the changes, or discard them as shown below. Again, be sure to follow the on-screen instructions carefully." msgstr "Da questo punto in poi, tutti i comandi cluster utilizzeranno automaticamente la copia shadow anziché la copia attiva della configurazione del cluster. Una volta terminate le sperimentazione, è possibile effettuare la registrazione delle modifiche oppure scartare le stesse come mostrato sotto. Di nuovo, porre estrema attenzione alle istruzioni da seguire che appaiono a schermo." #. Tag: para #, fuzzy, no-c-format msgid "For a full list of crm_shadow options and commands, invoke it with the <parameter>--help</parameter> option." msgstr "Per una lista competa delle opzioni e comandi di crm_shadow è possibile lanciare il comando con il parametro --help." #. Tag: title #, no-c-format msgid "Using a sandbox to make multiple changes atomically" msgstr "Utilizzare un ambiente di test per effettuare più cambiamenti contemporaneamente" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " shadow[test] # crm_failcount -G -r rsc_c001n01\n" " name=fail-count-rsc_c001n01 value=0\n" " shadow[test] # crm_standby -v on -n c001n02\n" " shadow[test] # crm_standby -G -n c001n02\n" " name=c001n02 scope=nodes value=on\n" " shadow[test] # cibadmin --erase --force\n" " shadow[test] # cibadmin --query\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"112\"\n" " dc-uuid=\"c001n01\" num_updates=\"1\" cib-last-written=\"Fri Jun 27 12:17:10 2008\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" " shadow[test] # crm_shadow --delete test --force\n" " Now type Ctrl-D to exit the crm_shadow shell\n" " shadow[test] # exit\n" " # crm_shadow --which\n" " No shadow instance provided\n" " # cibadmin -Q\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"110\"\n" " dc-uuid=\"c001n01\" num_updates=\"551\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-1\" name=\"stonith-enabled\" value=\"1\"/>\n" " <nvpair id=\"cib-bootstrap-2\" name=\"pe-input-series-max\" value=\"30000\"/>" msgstr "" "\n" " shadow[test] # crm_failcount -G -r rsc_c001n01\n" " name=fail-count-rsc_c001n01 value=0\n" " shadow[test] # crm_standby -v on -n c001n02\n" " shadow[test] # crm_standby -G -n c001n02\n" " name=c001n02 scope=nodes value=on\n" " shadow[test] # cibadmin --erase --force\n" " shadow[test] # cibadmin --query\n" "\n" " <cib cib_feature_revision="1" validate-with="pacemaker-1.0" admin_epoch="0" crm_feature_set="3.0" have-quorum="1" epoch="112"\n" " dc-uuid="c001n01" num_updates="1" cib-last-written="Fri Jun 27 12:17:10 2008">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" " shadow[test] # crm_shadow --delete test --force\n" " Now type Ctrl-D to exit the crm_shadow shell\n" " shadow[test] # exit\n" " # crm_shadow --which\n" " No shadow instance provided\n" " # cibadmin -Q\n" "\n" " <cib cib_feature_revision="1" validate-with="pacemaker-1.0" admin_epoch="0" crm_feature_set="3.0" have-quorum="1" epoch="110"\n" " dc-uuid="c001n01" num_updates="551">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id="cib-bootstrap-options">\n" " <nvpair id="cib-bootstrap-1" name="stonith-enabled" value="1"/>\n" " <nvpair id="cib-bootstrap-2" name="pe-input-series-max" value="30000"/>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "Making changes in a sandbox and verifying the real configuration is untouched" msgstr "Effettuare i cambiamenti nell'ambiente di test e verificare che la configurazione reale sia intonsa" #. Tag: title #, no-c-format msgid "Testing Your Configuration Changes" msgstr "Testare le proprie modifiche" #. Tag: para #, fuzzy, no-c-format msgid "We saw previously how to make a series of changes to a \"shadow\" copy of the configuration. Before loading the changes back into the cluster (eg. crm_shadow --commit mytest --force), it is often advisable to simulate the effect of the changes with crm_simulate, eg." msgstr "E' stato mostrato in precedenza come effettuare seie di cambiamente alle copie "shadow" della configurazione. Prima di caricare tali modifiche nel cluster (ad esempio con crm_shadow --commit mytest --force), a olte può essere necessario simulare l'effetto dei cambiamenti con ptest. Ad esempio." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_simulate --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot" msgstr "ptest --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot" #. Tag: para #, fuzzy, no-c-format msgid "The tool uses the same library as the live cluster to show what it would have done given the supplied input. It’s output, in addition to a significant amount of logging, is stored in two files tmp.graph and tmp.dot, both are representations of the same thing — the cluster’s response to your changes." msgstr "Lo strumento utilizza la stessa libreria del cluster attivo per mostrare cosa succederebbe con l'input definito. L'output del programma, insieme a parecchi messaggi di log, è registrato in due files tmp.graph e tmp.dot. Entrambi sono rappresentazioni della stessa cosa: la risposta del cluster ai cambiamenti effettuati. Nel file grafico è registrata la transizione completa, contenente una lista di tutte le azioni, i parametri ed i pre-requisiti. A causa del fatto che il grafico di transizione non è propriamente semplice da leggere, il tool genera anche un dot-file Graphviz, rappresentante le stesse informazioni." #. Tag: para #, fuzzy, no-c-format msgid "In the graph file is stored the complete transition, containing a list of all the actions, their parameters and their pre-requisites. Because the transition graph is not terribly easy to read, the tool also generates a Graphviz dot-file representing the same information." msgstr "Lo strumento utilizza la stessa libreria del cluster attivo per mostrare cosa succederebbe con l'input definito. L'output del programma, insieme a parecchi messaggi di log, è registrato in due files tmp.graph e tmp.dot. Entrambi sono rappresentazioni della stessa cosa: la risposta del cluster ai cambiamenti effettuati. Nel file grafico è registrata la transizione completa, contenente una lista di tutte le azioni, i parametri ed i pre-requisiti. A causa del fatto che il grafico di transizione non è propriamente semplice da leggere, il tool genera anche un dot-file Graphviz, rappresentante le stesse informazioni." #. Tag: title #, no-c-format msgid "Interpreting the Graphviz output" msgstr "Interpretare l'output di Graphviz" #. Tag: para #, no-c-format msgid "Arrows indicate ordering dependencies" msgstr "Le frecce indicano le dipendenze relative all'ordine" #. Tag: para #, no-c-format msgid "Dashed-arrows indicate dependencies that are not present in the transition graph" msgstr "Le frecce tratteggiate indicano dipendenze che non sono presenti nel grafico di transizione" #. Tag: para #, no-c-format msgid "Actions with a dashed border of any color do not form part of the transition graph" msgstr "Azioni con un bordo tratteggiato di qualsiasi colore non fanno parte del grafico di transizione" #. Tag: para #, no-c-format msgid "Actions with a green border form part of the transition graph" msgstr "Azioni con un bordo verde sono parte del grafico di transizione" #. Tag: para #, fuzzy, no-c-format msgid "Actions with a red border are ones the cluster would like to execute but cannot run" msgstr "Azioni con un bordo rosso sono azioni che il cluster vorrebbe eseguire, ma non è possibile farlo" #. Tag: para #, no-c-format msgid "Actions with a blue border are ones the cluster does not feel need to be executed" msgstr "Azioni con un bordo blu sono azioni che il cluster non sente il bisogno di eseguire" #. Tag: para #, no-c-format msgid "Actions with orange text are pseudo/pretend actions that the cluster uses to simplify the graph" msgstr "Azioni con un testo arancione sono pseudo azioni che il cluster utilizza per semplificare il grafico" #. Tag: para #, no-c-format msgid "Actions with black text are sent to the LRM" msgstr "Azioni con un testo nero sono inviate a LRM" #. Tag: para #, no-c-format msgid "Resource actions have text of the form rsc_action_interval node" msgstr "Azioni relative alle risorse hanno un testo nella forma rsc_action_interval node" #. Tag: para #, no-c-format msgid "Any action depending on an action with a red border will not be able to execute." msgstr "Ogni azione dipendente da un'azione con un bordo rosso non avrà la possibilità di essere eseguita" #. Tag: para #, no-c-format msgid "Loops are really bad. Please report them to the development team." msgstr "I loop sono qualcosa di veramente negativo. Essi vanno riportati al team di sviluppo." #. Tag: title #, no-c-format msgid "Small Cluster Transition" msgstr "Una piccola transizione del cluster" #. Tag: phrase #, no-c-format msgid "An example transition graph as represented by Graphviz" msgstr "Un esempio di grafico di transizione come rappresentato da Graphviz" #. Tag: para #, no-c-format msgid "In the above example, it appears that a new node, node2, has come online and that the cluster is checking to make sure rsc1, rsc2 and rsc3 are not already running there (Indicated by the *_monitor_0 entries). Once it did that, and assuming the resources were not active there, it would have liked to stop rsc1 and rsc2 on node1 and move them to node2. However, there appears to be some problem and the cluster cannot or is not permitted to perform the stop actions which implies it also cannot perform the start actions. For some reason the cluster does not want to start rsc3 anywhere." msgstr "Nell'esempio soprastante appare come un nuovo nodo, node2, è giunto online e che il cluster sta controllando che rsc1, rsc2 e rsc3 non stiano già funzionando su di esso (indicato dalle entry *_monitor_0). Una volta completato il controllo ed assunto che le risorse non sono attive qui, il cluster vorrebbe stoppare rsc1 ed rsc2 su node1 e muovere tali risorse su node2. Tuttavia, sembrano esserci problemi ed il cluster non può o non riesce ad effettuare lo azioni di stop, che implicano quindi l'impossibilità di eseguire le azioni di start. Per qualche ragione il cluster non vuole avviare rsc3 da nessuna parte." #. Tag: para #, fuzzy, no-c-format msgid "For information on the options supported by crm_simulate, use the --help option." msgstr "Per informazioni sulle opzioni supportate da ptest, utilizzare ptest --help" #. Tag: title #, no-c-format msgid "Complex Cluster Transition" msgstr "Una complessa transizione del cluster" #. Tag: phrase #, fuzzy, no-c-format msgid "Another, slightly more complex, transition graph that you're not expected to be able to read" msgstr "Un altro grafico di transizione leggermente più complesso, (particolarmente complicato da leggere)" #. Tag: title #, no-c-format msgid "Do I Need to Update the Configuration on all Cluster Nodes?" msgstr "Esiste l'esigenza di aggiornare la configurazione su tutti i nodi del cluster?" #. Tag: para #, no-c-format msgid "No. Any changes are immediately synchronized to the other active members of the cluster." msgstr "No. Ogni modifica è immediatamente sincronizzata con gli altri membri attivi del cluster." #. Tag: para #, fuzzy, no-c-format msgid "To reduce bandwidth, the cluster only broadcasts the incremental updates that result from your changes and uses MD5 checksums to ensure that each copy is completely consistent." msgstr "Per ridurre la banda utilizzata il cluster effettua il broadcast incrementale degli aggiornamenti risultanti i cambiamenti effettuati ed utilizza sum MD5 per assicurare che ciascuna copia sia completamente consistente." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Constraints.po000066400000000000000000001055141217637305600250720ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-05-03 15:38+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Resource Constraints" msgstr "Vincoli delle risorse" #. Tag: para #, no-c-format msgid " ResourceConstraints Constraints " msgstr "" #. Tag: title #, no-c-format msgid "Scores" msgstr "Punteggi" #. Tag: para #, no-c-format msgid "Scores of all kinds are integral to how the cluster works. Practically everything from moving a resource to deciding which resource to stop in a degraded cluster is achieved by manipulating scores in some way." msgstr "Nel funzionamento del cluster sono integrati punteggi di ogni tipo. Praticamente qualsiasi decisione, dallo spostamento di una risorsa sino a quale risorsa fermare in un cluster degradato, è ottenuta manipolando in qualche forma i punteggi." #. Tag: para #, fuzzy, no-c-format msgid "Scores are calculated on a per-resource basis and any node with a negative score for a resource can’t run that resource. After calculating the scores for a resource, the cluster then chooses the node with the highest one." msgstr "I punteggi sono calcolati sulla base per l'erogazione di ogni risorsa e qualsiasi nodo con un punteggio negativo non può erogare la risorsa associata. Dopo aver calcolato i punteggi per una risorsa il cluster sceglie il nodo con il punteggio più alto." #. Tag: title #, no-c-format msgid "Infinity Math" msgstr "Il valore INFINITY" #. Tag: para #, fuzzy, no-c-format msgid "INFINITY is currently defined as 1,000,000 and addition/subtraction with it follows these three basic rules:" msgstr "INFINITY viene attualmente definito come 1,000,000 ed addizioni/sottrazioni ad esso seguono queste 3 regole base:" #. Tag: para #, no-c-format msgid "Any value + INFINITY = INFINITY" msgstr "Qualsiasi valore + INFINITY = INFINITY" #. Tag: para #, no-c-format msgid "Any value - INFINITY = -INFINITY" msgstr "Qualsiasi valore - INFINITY = -INFINITY" #. Tag: para #, no-c-format msgid "INFINITY - INFINITY = -INFINITY" msgstr "INFINITY - INFINITY = -INFINITY" #. Tag: title #, no-c-format msgid "Deciding Which Nodes a Resource Can Run On" msgstr "Decidere quale nodo può erogare una risorsa" #. Tag: para #, fuzzy, no-c-format msgid " Location Constraints ResourceConstraintsLocation ConstraintsLocation Location There are two alternative strategies for specifying which nodes a resources can run on. One way is to say that by default they can run anywhere and then create location constraints for nodes that are not allowed. The other option is to have nodes \"opt-in\"… to start with nothing able to run anywhere and selectively enable allowed nodes." msgstr "Esistono due strategie alternative per specificare su quali nodi può funzionare una risorsa. Una via è quella di dire che di default la risorsa può funzionare ovunque e poi create dei vincoli posizionali (location constraints) per i nodi da escludere. L'altra via è quella di avere nodi che vengano avviati come inabili ad erogare risorse ed fare in modo che questi vengano abilitati selettivamente." #. Tag: title #, no-c-format msgid "Options" msgstr "Opzioni" #. Tag: title #, no-c-format msgid "Options for Simple Location Constraints" msgstr "Opzioni per semplici vincoli di locazione (location constraints)" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint idLocation Constraints Location Constraints ConstraintsLocationid Locationid id " msgstr "" #. Tag: para #, no-c-format msgid "rsc" msgstr "" #. Tag: para #, no-c-format msgid "A resource name rscLocation Constraints Location Constraints ConstraintsLocationrsc Locationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "node" msgstr "" #. Tag: para #, no-c-format msgid "A node’s name nodeLocation Constraints Location Constraints ConstraintsLocationnode Locationnode node " msgstr "" #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Positive values indicate the resource should run on this node. Negative values indicate the resource should not run on this node." msgstr "Valori positivi indicano che la risorsa può funzionare su questo nodo. Valori negativi indicano che la risorsa non può funzionare su questo nodo. Valori di +/- INFINITY modificano "può" in "deve"." #. Tag: para #, no-c-format msgid "Values of +/- INFINITY change \"should\"/\"should not\" to \"must\"/\"must not\". scoreLocation Constraints Location Constraints ConstraintsLocationscore Locationscore score " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Asymmetrical \"Opt-In\" Clusters" msgstr "Cluster "Opt-In" asimmetrici" #. Tag: para #, no-c-format msgid " Asymmetrical Opt-In Clusters Cluster TypeAsymmetrical Opt-In Asymmetrical Opt-In " msgstr "" #. Tag: para #, no-c-format msgid "To create an opt-in cluster, start by preventing resources from running anywhere by default:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value false" msgstr "" #. Tag: para #, no-c-format msgid "Then start enabling nodes. The following fragment says that the web server prefers sles-1, the database prefers sles-2 and both can fail over to sles-3 if their most preferred node fails." msgstr "" #. Tag: title #, no-c-format msgid "Example set of opt-in location constraints" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-3\" score=\"0\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-3\" score=\"0\"/>\n" "</constraints>" msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Symmetrical \"Opt-Out\" Clusters" msgstr "Cluster "Opt-In" asimmetrici" #. Tag: para #, no-c-format msgid " Symmetrical Opt-Out Clusters Cluster TypeSymmetrical Opt-Out Symmetrical Opt-Out " msgstr "" #. Tag: para #, no-c-format msgid "To create an opt-out cluster, start by allowing resources to run anywhere by default:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value true" msgstr "" #. Tag: para #, no-c-format msgid "Then start disabling nodes. The following fragment is the equivalent of the above opt-in configuration." msgstr "" #. Tag: title #, no-c-format msgid "Example set of opt-out location constraints" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2-dont-run\" rsc=\"Webserver\" node=\"sles-2\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-3-dont-run\" rsc=\"Database\" node=\"sles-1\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Whether you should choose opt-in or opt-out depends both on your personal preference and the make-up of your cluster. If most of your resources can run on most of the nodes, then an opt-out arrangement is likely to result in a simpler configuration. On the other-hand, if most resources can only run on a small subset of nodes an opt-in configuration might be simpler." msgstr "" #. Tag: title #, no-c-format msgid "What if Two Nodes Have the Same Score" msgstr "" #. Tag: para #, no-c-format msgid "If two nodes have the same score, then the cluster will choose one. This choice may seem random and may not be what was intended, however the cluster was not given enough information to know any better." msgstr "" #. Tag: title #, no-c-format msgid "Example of two resources that prefer two nodes equally" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-1\" score=\"500\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"300\"/>\n" " <rsc_location id=\"loc-5\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "In the example above, assuming no other constraints and an inactive cluster, Webserver would probably be placed on sles-1 and Database on sles-2. It would likely have placed Webserver based on the node’s uname and Database based on the desire to spread the resource load evenly across the cluster. However other factors can also be involved in more complex configurations." msgstr "" #. Tag: title #, no-c-format msgid "Specifying in which Order Resources Should Start/Stop" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintsOrdering ConstraintsOrdering Ordering ResourceStart Order Start Order Ordering Constraints The way to specify the order in which resources should start is by creating rsc_order constraints." msgstr "" #. Tag: title #, no-c-format msgid "Properties of an Ordering Constraint" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint idOrdering Constraints Ordering Constraints ConstraintsOrderingid Orderingid id " msgstr "" #. Tag: para #, no-c-format msgid "first" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource that must be started before the then resource is allowed to. firstOrdering Constraints Ordering Constraints ConstraintsOrderingfirst Orderingfirst first " msgstr "" #. Tag: para #, no-c-format msgid "then" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource. This resource will start after the first resource. thenOrdering Constraints Ordering Constraints ConstraintsOrderingthen Orderingthen then " msgstr "" #. Tag: para #, no-c-format msgid "kind" msgstr "" #. Tag: para #, no-c-format msgid "How to enforce the constraint. (Since 1.1.2)" msgstr "" #. Tag: para #, no-c-format msgid "* Optional - Just a suggestion. Only applies if both resources are starting/stopping." msgstr "" #. Tag: para #, no-c-format msgid "* Mandatory - Always. If first is stopping or cannot be started, then must be stopped." msgstr "" #. Tag: para #, no-c-format msgid "* Serialize - Ensure that no two stop/start actions occur concurrently for a set of resources." msgstr "" #. Tag: para #, no-c-format msgid " kindOrdering Constraints Ordering Constraints ConstraintsOrderingkind Orderingkind kind " msgstr "" #. Tag: para #, no-c-format msgid "symmetrical" msgstr "" #. Tag: para #, no-c-format msgid "If true, which is the default, stop the resources in the reverse order. Default value: true symmetricalOrdering Constraints Ordering Constraints Ordering Constraintssymmetrical symmetrical " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Ordering" msgstr "" #. Tag: para #, no-c-format msgid "When the then resource cannot run without the first resource being active, one should use mandatory constraints. To specify a constraint is mandatory, use scores greater than zero. This will ensure that the then resource will react when the first resource changes state." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource was running and is stopped, the then resource will also be stopped (if it is running)." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource was not running and cannot be started, the then resource will be stopped (if it is running)." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource is (re)started while the then resource is running, the then resource will be stopped and restarted." msgstr "" #. Tag: title #, no-c-format msgid "Advisory Ordering" msgstr "" #. Tag: para #, no-c-format msgid "On the other hand, when score=\"0\" is specified for a constraint, the constraint is considered optional and only has an effect when both resources are stopping and/or starting. Any change in state by the first resource will have no effect on the then resource." msgstr "" #. Tag: title #, no-c-format msgid "Example of an optional and mandatory ordering constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\" first=\"Database\" then=\"Webserver\" />\n" " <rsc_order id=\"order-2\" first=\"IP\" then=\"Webserver\" score=\"0\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Some additional information on ordering constraints can be found in the document Ordering Explained." msgstr "" #. Tag: title #, no-c-format msgid "Placing Resources Relative to other Resources" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintsColocation ConstraintsColocation Colocation ResourceLocation Relative to other Resources Location Relative to other Resources When the location of one resource depends on the location of another one, we call this colocation." msgstr "" #. Tag: para #, no-c-format msgid "There is an important side-effect of creating a colocation constraint between two resources: it affects the order in which resources are assigned to a node. If you think about it, it’s somewhat obvious. You can’t place A relative to B unless you know where B is. While the human brain is sophisticated enough to read the constraint in any order and choose the correct one depending on the situation, the cluster is not quite so smart. Yet. " msgstr "" #. Tag: para #, no-c-format msgid "So when you are creating colocation constraints, it is important to consider whether you should colocate A with B or B with A." msgstr "" #. Tag: para #, no-c-format msgid "Another thing to keep in mind is that, assuming A is collocated with B, the cluster will also take into account A’s preferences when deciding which node to choose for B." msgstr "" #. Tag: para #, no-c-format msgid "For a detailed look at exactly how this occurs, see the Colocation Explained document." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Collocation Constraint" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint. idColocation Constraints Colocation Constraints ConstraintsColocationid Colocationid id " msgstr "" #. Tag: para #, no-c-format msgid "The colocation source. If the constraint cannot be satisfied, the cluster may decide not to allow the resource to run at all. rscColocation Constraints Colocation Constraints ConstraintsColocationrsc Colocationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "with-rsc" msgstr "" #. Tag: para #, no-c-format msgid "The colocation target. The cluster will decide where to put this resource first and then decide where to put the resource in the rsc field. with-rscColocation Constraints Colocation Constraints ConstraintsColocationwith-rsc Colocationwith-rsc with-rsc " msgstr "" #. Tag: para #, no-c-format msgid "Positive values indicate the resource should run on the same node. Negative values indicate the resources should not run on the same node. Values of +/- INFINITY change \"should\" to \"must\". scoreColocation Constraints Colocation Constraints ConstraintsColocationscore Colocationscore score " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Placement" msgstr "" #. Tag: para #, no-c-format msgid "Mandatory placement occurs any time the constraint’s score is +INFINITY or -INFINITY. In such cases, if the constraint can’t be satisfied, then the rsc resource is not permitted to run. For score=INFINITY, this includes cases where the with-rsc resource is not active." msgstr "" #. Tag: para #, no-c-format msgid "If you need resource1 to always run on the same machine as resource2, you would add the following constraint:" msgstr "" #. Tag: title #, no-c-format msgid "An example colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Remember, because INFINITY was used, if resource2 can’t run on any of the cluster nodes (for whatever reason) then resource1 will not be allowed to run." msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, you may want the opposite… that resource1 cannot run on the same machine as resource2. In this case use score=\"-INFINITY\"" msgstr "" #. Tag: title #, no-c-format msgid "An example anti-colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"anti-colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"-INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Again, by specifying -INFINTY, the constraint is binding. So if the only place left to run is where resource2 already is, then resource1 may not run anywhere." msgstr "" #. Tag: title #, no-c-format msgid "Advisory Placement" msgstr "" #. Tag: para #, no-c-format msgid "If mandatory placement is about \"must\" and \"must not\", then advisory placement is the \"I’d prefer if\" alternative. For constraints with scores greater than -INFINITY and less than INFINITY, the cluster will try and accommodate your wishes but may ignore them if the alternative is to stop some of the cluster resources." msgstr "" #. Tag: para #, no-c-format msgid "Like in life, where if enough people prefer something it effectively becomes mandatory, advisory colocation constraints can combine with other elements of the configuration to behave as if they were mandatory." msgstr "" #. Tag: title #, no-c-format msgid "An example advisory-only colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"colocate-maybe\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"500\"/>" msgstr "" #. Tag: title #, no-c-format msgid "Ordering Sets of Resources" msgstr "" #. Tag: para #, no-c-format msgid "A common situation is for an administrator to create a chain of ordered resources, such as:" msgstr "" #. Tag: title #, no-c-format msgid "A chain of ordered resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\" first=\"A\" then=\"B\" />\n" " <rsc_order id=\"order-2\" first=\"B\" then=\"C\" />\n" " <rsc_order id=\"order-3\" first=\"C\" then=\"D\" />\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Ordered Set" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the four resources' start order for the above constraints" msgstr "" #. Tag: phrase #, no-c-format msgid "Ordered set" msgstr "" #. Tag: para #, no-c-format msgid "To simplify this situation, there is an alternate format for ordering constraints:" msgstr "" #. Tag: title #, no-c-format msgid "A chain of ordered resources expressed as a set" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Resource sets have the same ordering semantics as groups." msgstr "" #. Tag: title #, no-c-format msgid "A group resource with the equivalent ordering rules" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<group id=\"dummy\">\n" " <primitive id=\"A\" .../>\n" " <primitive id=\"B\" .../>\n" " <primitive id=\"C\" .../>\n" " <primitive id=\"D\" .../>\n" "</group>" msgstr "" #. Tag: para #, no-c-format msgid "While the set-based format is not less verbose, it is significantly easier to get right and maintain. It can also be expanded to allow ordered sets of (un)ordered resources. In the example below, rscA and rscB can both start in parallel, as can rscC and rscD, however rscC and rscD can only start once both rscA and rscB are active." msgstr "" #. Tag: title #, no-c-format msgid "Ordered sets of unordered resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Two Sets of Unordered Resources" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the start order for two ordered sets of unordered resources" msgstr "" #. Tag: phrase #, no-c-format msgid "Two ordered sets" msgstr "" #. Tag: para #, no-c-format msgid "Of course either set — or both sets — of resources can also be internally ordered (by setting sequential=\"true\") and there is no limit to the number of sets that can be specified." msgstr "" #. Tag: title #, no-c-format msgid "Advanced use of set ordering - Three ordered sets, two of which are internally unordered" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"true\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-3\" sequential=\"false\">\n" " <resource_ref id=\"E\"/>\n" " <resource_ref id=\"F\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Three Resources Sets" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the start order for the three sets defined above" msgstr "" #. Tag: phrase #, no-c-format msgid "Three ordered sets" msgstr "" #. Tag: title #, no-c-format msgid "Collocating Sets of Resources" msgstr "" #. Tag: para #, no-c-format msgid "Another common situation is for an administrator to create a set of collocated resources. Previously this was possible either by defining a resource group (See ) which could not always accurately express the design; or by defining each relationship as an individual constraint, causing a constraint explosion as the number of resources and combinations grew." msgstr "" #. Tag: title #, no-c-format msgid "A chain of collocated resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" rsc=\"B\" with-rsc=\"A\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-2\" rsc=\"C\" with-rsc=\"B\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-3\" rsc=\"D\" with-rsc=\"C\" score=\"INFINITY\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "To make things easier, we allow an alternate form of colocation constraints using resource_sets. Just like the expanded version, a resource that can’t be active also prevents any resource that must be collocated with it from being active. For example, if B was not able to run, then both C (+and by inference +D) must also remain stopped." msgstr "" #. Tag: title #, no-c-format msgid "The equivalent colocation chain expressed using resource_sets" msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Resource sets have the same colocation semantics as groups." msgstr "" #. Tag: title #, no-c-format msgid "A group resource with the equivalent colocation rules" msgstr "" #. Tag: para #, no-c-format msgid "This notation can also be used in this context to tell the cluster that a set of resources must all be located with a common peer, but have no dependencies on each other. In this scenario, unlike the previous, B would be allowed to remain active even if A or C (or both) were inactive." msgstr "" #. Tag: title #, no-c-format msgid "Using colocation sets to specify a common peer." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\">\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Of course there is no limit to the number and size of the sets used. The only thing that matters is that in order for any member of set N to be active, all the members of set N+1 must also be active (and naturally on the same node); and if a set has sequential=\"true\", then in order for member M to be active, member M+1 must also be active. You can even specify the role in which the members of a set must be in using the set’s role attribute." msgstr "" #. Tag: title #, no-c-format msgid "A colocation chain where the members of the middle set have no inter-dependencies and the last has master status." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " <resource_ref id=\"E\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\" role=\"Master\">\n" " <resource_ref id=\"F\"/>\n" " <resource_ref id=\"G\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Another Three Resources Sets" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of a colocation chain where the members of the middle set have no inter-dependencies" msgstr "" #. Tag: phrase #, no-c-format msgid "Colocation chain" msgstr "" #~ msgid "id" #~ msgstr "id" #~ msgid "A unique name for the constraint" #~ msgstr "Nome univoco per il vincolo (constraint)" #~ msgid "rsc" #~ msgstr "rsc" #~ msgid "A resource name" #~ msgstr "Nome della risorsa" #~ msgid "node" #~ msgstr "node" #~ msgid "A node's uname" #~ msgstr "uname del nodo" #~ msgid "score" #~ msgstr "punteggio" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Intro.po000066400000000000000000000435611217637305600236610ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-19 10:43+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "Leggimi-Prima" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "Scopo di questo documento" #. Tag: para #, fuzzy, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "Lo scopo di questo documento è quello di spiegare in maniera definitiva i concetti utilizzati per configurare Pacemaker. Per ottenere il meglio, si focalizzera' esclusivamente sulla sintassi XML per configurare il CIB." #. Tag: para #, fuzzy, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "Per gli allergici ad XML, Pacemaker ha una cluster shell ed una GUI Python, ma questi tools non sono trattati nel presente documento Si spera comunque che una volta compresi i concetti qui esposti sarà più semplice comprendere anche questi tools. , proprio perché questi nascondono l'XML." #. Tag: para #, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster." msgstr "Inoltre, questo documento NON E' un how-to passo-passo per configurare uno specifico scenario cluster. Sebbene questo tipo di guide esista, lo scopo di questo documento è quello di fornire la comprensione delle componenti che possono essere utilizzate per costruire qualsiasi cluster Pacemaker." #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "Cos'è Pacemaker?" #. Tag: para #, no-c-format msgid "Pacemaker is a cluster resource manager." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat." msgstr "Pacemaker è un cluster resource manager. Ottiene la massima affidabilità per i servizi cluster (conosciuti come risorse) rilevando e ripristinando malfunziomenti di nodi e di risorse facendo uso delle capacità di messaging e membership fornite dalla tua infrastruttura cluster preferita (sia questa Corosync o Heartbeat)." #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker’s key features include:" msgstr "Le caratteristiche di Pacemaker includono:" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "Rilevazione e ripristino di malfunzionamenti di nodi e servizi" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "Storage agnostic, non richiede uno storage condiviso" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "Resource agnostic, tutto quello che può essere scriptato può essere clusterizzato" #. Tag: para #, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "Supporto STONITH per garantire l'integrità dei dati" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "Supporto a cluster grandi e piccoli" #. Tag: para #, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "Supporto a cluster quorati e resource driven" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "Supporto a praticamente qualsiasi configurazione ridondata" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "Configurazione replicata automaticamente che può essere aggiornata da qualsiasi nodo" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "Capacità di specificare ordine, collocazione e anti-collocazione per i servizi lato cluster" #. Tag: para #, no-c-format msgid "Support for advanced services type" msgstr "Supporto per servizi di tipo avanzato" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "Cloni: per servizi che necessitano di essere attivi su nodi multipli" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "Muliti-state: per servizi con modi multipli (ad esempio master/slave, primary/secondary/)" #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "Tipologia dei cluster Pacemaker" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "Pacemaker non fa alcuna ipotesi in merito all'ambiente operativo, questo consente di supportare praticamente qualsiasi configurazione ridondata come Active/Active, Active/Passive, N+1, N+M, N-to-1 e N-to-N." #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "Ridondanza Active/Passive" #. Tag: para #, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations." msgstr "I cluster a due nodi Active/Passive che utilizzano Pacemaker e DRBD sono soluzioni con rapporto qualità-prezzo ottimale in molti ambiti di alta affidabilità." #. Tag: title #, no-c-format msgid "Shared Failover" msgstr "Failover condiviso" #. Tag: para #, no-c-format msgid "By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node" msgstr "Supportando più nodi, Pacemaker può ridurre drammaticamente i costi hardware consentendo a diversi cluster active/passive di combinare e condividere nodi di backup comuni" #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "Ridondanza N a N" #. Tag: para #, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload." msgstr "Quando è disponibile uno storage condiviso ogni nodo può essere utilizzato per il failover. Pacemaker può anche eseguire copie multiple dei servizi per distribuire il carico di lavoro." #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "Architettura di Pacemaker" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "Al livello più elevato il cluster è composto da tre componenti:" #. Tag: para #, no-c-format msgid "Core cluster infrastructure providing messaging and membership functionality (illustrated in red)" msgstr "Infrastruttura core del cluster che rende disponibili le funzionalità di messaging e membership (illustrate in rosso)" #. Tag: para #, no-c-format msgid "Non-cluster aware components (illustrated in green)." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In a Pacemaker cluster, these pieces include not only the scripts that knows how to start, stop and monitor resources, but also a local daemon that masks the differences between the different standards these scripts implement." msgstr "Componenti non inerenti al cluster (illustrate in blu). In un cluster Pacemaker queste componenti includono non solo gli script che sanno come avviare, stoppare e monitorare le risorse, ma anche " #. Tag: para #, no-c-format msgid "A brain (illustrated in blue)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This component processes and reacts to events from the cluster (nodes leaving or joining) and resources (eg. monitor failures) as well as configuration changes from the administrator. In response to all of these events, Pacemaker will compute the ideal state of the cluster and plot a path to achieve it. This may include moving resources, stopping nodes and even forcing nodes offline with remote power switches." msgstr "Un cervello (illustrato in verde) che reagisce e processa gli eventi del cluster (nodi scomparsi o apparsi) e delle risorse (ad esempio il controllo delle anomalie) così come le modifiche effettuate dall'amministratore. In risposta a tutti questi eventi, Pacemaker elaborerà l'ideale stato del cluster ed il piano per renderlo effettivo. Questo potrebbe includere lo spostamento delle risorse, lo stop di nodi fino alla forzatura offline di questi attraverso la rimozione dell'alimentazione remota." #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "Panoramica concettuale dello Stack" #. Tag: title #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "Panoramica concettuale dello stack del cluster" #. Tag: para #, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. footnote:[ Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on." msgstr "" #. Tag: para #, no-c-format msgid "Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. ]" msgstr "" #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker stack when running on Corosync" msgstr "Lo stack Pacemaker nell'esecuzione su Corosync" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "Componenti interni" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "Pacemaker stesso è composto da quatto componenti chiave (illustrati sotto nello stesso schema di colori del diagramma precedente):" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "CIB (acronimo di come Cluster Information Base)" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "CRMd (acronimo di Cluster Resource Management daemon)" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "PEngine (acronimo di Policy Engine)" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "STONITHd" #. Tag: title #, fuzzy, no-c-format msgid "Subsystems of a Pacemaker cluster" msgstr "Sottosistemi di un cluster Pacemaker in esecuzione su Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "Il CIB utilizza XML per rappresentare sia l'attuale configurazione del cluster sia lo stato di tutte le risorse all'interno dello stesso. I contenuti del CIB sono automaticamente tenuti in sincronia in tutto il cluster e vengono utilizzati dal PEngine per elaborare lo stato ideale del cluster e come questo debba essere raggiunto." #. Tag: para #, fuzzy, no-c-format msgid "This list of instructions is then fed to the DC (Designated Controller). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process (or the node it is on) fail… a new one is quickly established." msgstr "Questa lista di istruzioni viene inviata al DC (Designated Co-ordinator). Pacemaker centralizza tutte le decisioni in merito al cluster eleggendo una delle istanze di CRMd ad agire come master. Qualora il processo eletto CRMd o il nodo su cui questo è in esecuzione dovessero fallire, un nuovo DC viene rapidamente stabilito." #. Tag: para #, fuzzy, no-c-format msgid "The DC carries out PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "Il DC esegue le istruzioni inviategli dal PEngine nell'ordine richiesto passandole o al LRMd (Local Resource Management daemon) o ai CRMd in ascolto sugli altri nodi attraverso l'infrastruttura di messaging del cluster (che a loro volta passeranno le istruzioni ai proprio LRMd)." #. Tag: para #, fuzzy, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and, based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "Gli altri nodi riferiscono i risultati delle loro operazioni al DC. Attraverso l'analisi dei risultati aspettati e di quelli attuali, i nodi eseguiranno qualsiasi azione necessaria per attendere il completamento della precedente oppure interromperanno il processo, richiedendo al PEngine di calcolare nuovamente lo stato ideale del cluster basandosi sui risulati inaspettati." #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd." msgstr "" #. Tag: para #, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "In alcuni casi, potrebbe essere necessario spegnere i nodi per preservare dati condifivi o completare il ripristino di una risorsa. Per questo in Pacemaker esiste STONITHd. STONITH è un acronimo per Shoot-The-Other-Node-In-The-Head e viene implementato tipicamente con un switch di potenza remoto. In Pacemaker i dispositivi STONITH sono modellati come risorse (e configurati all'interno del CIB) per facilitare il monitoraggio delle anomalie. STONITHd si prende cura di capire la topologia STONITH così che i suoi client debbano unicamente richiedere unicamente la morte di un nodo ed esso si preoccupi del resto." #~ msgid "Unified, scriptable, cluster shell" #~ msgstr "cluster shell unificata e scriptabile" #, fuzzy #~ msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." #~ msgstr "Quando viene combianato con Corosync, Pacemaker supporta anche i popolari cluster filesystem opensource Sebbene Pacemaker supporti anche Heartbeat, i filesystem necessitano di usare uno stack di messaging e membership e Corosync sembra essere quello su cui questi si stanno standardizzando. Tecnicamente potrebbe essere possibile per questi supportare anche Heartbeat, ma sembra esserci poco interesse in merito alla questione. . Le recenti standardizzazioni all'interno della comunità del cluster filesystem hanno portato all'uso di un lock manager distribuito che utilizza Corsync per il supporto al messaging e Pacemaker per il membership (quali nodi sono vivi o morti) ed il fencing dei servizi." #~ msgid "The Pacemaker Stack" #~ msgstr "Lo stack Pacemaker" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Nodes.po000066400000000000000000000437651217637305600236440ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-26 14:39+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Nodes" msgstr "Nodi del cluster" #. Tag: title #, no-c-format msgid "Defining a Cluster Node" msgstr "Definire un nodo del cluster" #. Tag: para #, fuzzy, no-c-format msgid "Each node in the cluster will have an entry in the nodes section containing its UUID, uname, and type." msgstr "Ad ogni nodo nel cluster corrisponderà una entry nella sezione nodi contenente il relativo UUID, il valore di uname ed il tipo." #. Tag: title #, no-c-format msgid "Example cluster node entry" msgstr "Esempio di una entry relativa ad un nodo cluster" #. Tag: programlisting #, fuzzy, no-c-format msgid "<node id=\"1186dc9a-324d-425a-966e-d757e693dc86\" uname=\"pcmk-1\" type=\"normal\"/>" msgstr "" "\n" " <node id="1186dc9a-324d-425a-966e-d757e693dc86" uname="pcmk-1" type="normal"/>\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "In normal circumstances, the admin should let the cluster populate this information automatically from the communications and membership data. However one can use the crm_uuid tool to read an existing UUID or define a value before the cluster starts." msgstr "In circostanze normali, l'amministratore dovrebbe lasciar popolare le informazioni automaticamente al cluster in base ai dati di communication e membership. Ad ogni modo è possibile utilizzare lo strumento crm_uuid per leggere un UUID esistente o definire un valore prima che il cluster si avii." #. Tag: title #, no-c-format msgid "Describing a Cluster Node" msgstr "Descrivere un nodo del cluster" #. Tag: para #, fuzzy, no-c-format msgid " Nodeattribute attribute Beyond the basic definition of a node the administrator can also describe the node’s attributes, such as how much RAM, disk, what OS or kernel version it has, perhaps even its physical location. This information can then be used by the cluster when deciding where to place resources. For more information on the use of node attributes, see ." msgstr "Al di la della definizione base di un nodo, l'amministratore può inoltre descriverne gli attributi, come ad esempio quanta RAM, disco, quale sistema operativo o versione di kernel monta, forse anche la locazione fisica. Queste informazioni possono quindi essere utilizzate dal cluster nel momento in cui viene deciso dove porre le risorse. Per ulteriori informazioni sull'uso degli attributi del nodo, vedere la sezione ." #. Tag: para #, fuzzy, no-c-format msgid "Node attributes can be specified ahead of time or populated later, when the cluster is running, using crm_attribute." msgstr "Gli attributi dei nodi possono essere specificati a priori o popolate in seguito, quando il cluster sta funzionando, utilizzando crm_attribute." #. Tag: para #, fuzzy, no-c-format msgid "Below is what the node’s definition would look like if the admin ran the command:" msgstr "Ecco riportato come sarà la definzione del nodo se l'amministratore lancia il comando:" #. Tag: title #, no-c-format msgid "The result of using crm_attribute to specify which kernel pcmk-1 is running" msgstr "Risultato dell'utilizzo di crm_attribute per specificare quale kernel sta funzionando su pcmk-1" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r`" msgstr " crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<node uname=\"pcmk-1\" type=\"normal\" id=\"1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <instance_attributes id=\"nodes-1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <nvpair id=\"kernel-1186dc9a-324d-425a-966e-d757e693dc86\" name=\"kernel\" value=\"2.6.16.46-0.4-default\"/>\n" " </instance_attributes>\n" "</node>" msgstr "" "\n" " crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r` \n" "\n" " <node uname="pcmk-1" type="normal" id="1186dc9a-324d-425a-966e-d757e693dc86">\n" " <instance_attributes id="nodes-1186dc9a-324d-425a-966e-d757e693dc86">\n" " <nvpair id="kernel-1186dc9a-324d-425a-966e-d757e693dc86" name="kernel" value="2.6.16.46-0.4-default"/>\n" " </instance_attributes>\n" " </node>\n" "\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "A simpler way to determine the current value of an attribute is to use crm_attribute command again:" msgstr "Una via più semplice per determinare il valore corrente di un attributo è di utilizzare nuovamente il comando crm_attribute:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" msgstr " crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" #. Tag: para #, fuzzy, no-c-format msgid "By specifying --type nodes the admin tells the cluster that this attribute is persistent. There are also transient attributes which are kept in the status section which are \"forgotten\" whenever the node rejoins the cluster. The cluster uses this area to store a record of how many times a resource has failed on that node but administrators can also read and write to this section by specifying --type status." msgstr "Specificando --type nodes, l'amministratore comunica al cluster che l'attributo è persistente. Esistono inoltre attributi transitori presenti nella sezione status che sono "dimenticati" ogni volta che il nodo diventa parte nuovamente del cluster. Il cluster utilizza quest'area per registrare il valore relativo a quante volte una risorsa è fallita su quel nodo, ma gli amministratoripossono inoltre leggere e scrivere in questa sezione specificando --type status." #. Tag: title #, no-c-format msgid "Adding a New Cluster Node" msgstr "Aggiungere un nuovo nodo al cluster" #. Tag: title #, no-c-format msgid "Corosync" msgstr "Corosync" #. Tag: para #, no-c-format msgid " CorosyncAdd Cluster Node Add Cluster Node Add Cluster NodeCorosync Corosync Adding a new node is as simple as installing Corosync and Pacemaker, and copying /etc/corosync/corosync.conf and /etc/corosync/authkey (if it exists) from an existing node. You may need to modify the mcastaddr option to match the new node’s IP address." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "If a log message containing \"Invalid digest\" appears from Corosync, the keys are not consistent between the machines." msgstr "Se appare tra i log di Corosync un messaggio contenente "Invalid digest", le chiavi tra le due macchine non sono consistenti." #. Tag: title #, no-c-format msgid "Heartbeat" msgstr "Heartbeat" #. Tag: para #, no-c-format msgid " HeartbeatAdd Cluster Node Add Cluster Node Add Cluster NodeHeartbeat Heartbeat Provided you specified autojoin any in ha.cf, adding a new node is as simple as installing heartbeat and copying ha.cf and authkeys from an existing node." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "If you don’t want to use autojoin, then after setting up ha.cf and authkeys, you must use the hb_addnode command before starting the new node." msgstr "Se l'opzione autojoin non è stata specificata, allora dopo aver modificato ha.cf e authkeys, sarà necessario utilizzare il comando bh_addnode prima di avviare il nuovo nodo." #. Tag: title #, no-c-format msgid "Removing a Cluster Node" msgstr "Rimuovere un nodo" #. Tag: para #, fuzzy, no-c-format msgid " CorosyncRemove Cluster Node Remove Cluster Node Remove Cluster NodeCorosync Corosync Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution. First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below)." msgstr "Poiché il livello di messaging e membership sono sorgenti autoritative per i nodi del cluster, la loro cancellazione dal CIB non è una via percorribile. Prima quindi è necessario fare in modo che heartbeat dimentichi il nodo in questione (pcmk-1 nell'esempio sottostante)." #. Tag: para #, no-c-format msgid "On the host to be removed:" msgstr "Sull'host da rimuovere:" #. Tag: para #, fuzzy, no-c-format msgid "Find and record the node’s Corosync id: crm_node -i" msgstr "Trova e registra l'id Corosync del nodo: crm_node -i" #. Tag: para #, fuzzy, no-c-format msgid "Stop the cluster: /etc/init.d/corosync stop" msgstr "Stop del cluster: /etc/init.d/corosync stop" #. Tag: para #, no-c-format msgid "Next, from one of the remaining active cluster nodes:" msgstr "Quindi, da uno dei nodi rimasti attivi:" #. Tag: para #, no-c-format msgid "Tell the cluster to forget about the removed host:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_node -R $COROSYNC_ID" msgstr "" #. Tag: para #, no-c-format msgid "Only now is it safe to delete the node from the CIB with:" msgstr "Solamente ora è sicuro rimuovere il nodo dal CIB mediante:" #. Tag: programlisting #, no-c-format msgid "" "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"_pcmk-1_\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"_pcmk-1_\"/>'" msgstr "" #. Tag: para #, no-c-format msgid " HeartbeatRemove Cluster Node Remove Cluster Node Remove Cluster NodeHeartbeat Heartbeat Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below). To do this, shut down heartbeat on the node and then, from one of the remaining active cluster nodes, run:" msgstr "Poiché i livelli di messaging e membership sono le sorgenti autoritative per i nodi del cluster, cancellarli dal CIB non è una soluzione percorribile. Prima quindi è necessario fare in modo che heartbeat dimentichi il nodo (pcmk-1 in the example below). Per fare questo, è sufficiente fermare heartbeat sul nodo interessato e successivamente, sul nodo rimasto attivo nel cluster, lanciare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# hb_delnode pcmk-1" msgstr "hb_delnode pcmk-1" #. Tag: para #, no-c-format msgid "Only then is it safe to delete the node from the CIB with:" msgstr "Solo a questo punto è sicuro rimuovere il nodo dal CIB con:" #. Tag: programlisting #, no-c-format msgid "" "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" msgstr "" #. Tag: title #, no-c-format msgid "Replacing a Cluster Node" msgstr "Rimpiazzare un nodo del cluster" #. Tag: para #, no-c-format msgid " CorosyncReplace Cluster Node Replace Cluster Node Replace Cluster NodeCorosync Corosync The five-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Make sure the old node is completely stopped" msgstr "Assicurarsi che il vecchio nodo sia completamente stoppato" #. Tag: para #, no-c-format msgid "Give the new machine the same hostname and IP address as the old one" msgstr "Assegnare alla nuova macchina lo stesso hostname ed indirizzo IP della vecchia macchina" #. Tag: para #, no-c-format msgid "Install the cluster software :-)" msgstr "Installare il software del cluster :-)" #. Tag: para #, fuzzy, no-c-format msgid "Copy /etc/corosync/corosync.conf and /etc/corosync/authkey (if it exists) to the new node" msgstr "Copiare /etc/corosync/corosync.conf e /etc/corosync/authkey (se esiste) nel nuovo nodo" #. Tag: para #, no-c-format msgid "Start the new cluster node" msgstr "Avviare il nuovo nodo del cluster" #. Tag: para #, no-c-format msgid " HeartbeatReplace Cluster Node Replace Cluster Node Replace Cluster NodeHeartbeat Heartbeat The seven-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Give the new machine the same hostname as the old one" msgstr "Dare alla nuova macchina lo stesso hostname della vecchia" #. Tag: para #, fuzzy, no-c-format msgid "Go to an active cluster node and look up the UUID for the old node in /var/lib/heartbeat/hostcache" msgstr "Su un nodo attivo del cluster localizzale l'UUID del vecchio nodo in /var/lib/heartbeat/hostcache" #. Tag: para #, no-c-format msgid "Install the cluster software" msgstr "Installare il software del cluster" #. Tag: para #, fuzzy, no-c-format msgid "Copy ha.cf and authkeys to the new node" msgstr "Copiare ha.cf ed authkeys nel nuovo nodo" #. Tag: para #, fuzzy, no-c-format msgid "On the new node, populate it’s UUID using crm_uuid -w and the UUID from step 2" msgstr "Sul vecchio nodo, popolare il file con il valore UUID utilizzando crm_uuid -w ed il valore UUID ricavato nel passo 2" #~ msgid "Adding a new is as simple as installing Corosync and Pacemaker, and copying /etc/corosync/corosync.conf and /etc/corosync/authkey (if it exists) from an existing node. You may need to modify the mcastaddr option to match the new node's IP address." #~ msgstr "Aggiungere un nuovo nodo è fattibile installando Corosync e Pacemaker, e copiando /etc/corosync/corosync.conf e /etc/corosync/authkey (se esiste) da un nodo esistente. Potrebbe essere necessario modificare l'opzione mcastaddr in modo che corrisponda all'indirizzo IP del nuovo nodo." #~ msgid "Provided you specified autojoin any in ha.cf, adding a new is as simple as installing heartbeat and copying ha.cf and authkeys from an existing node." #~ msgstr "A condizione che si sia specificato autojon any all'interno del file ha.cf, aggiungere un nuovo nodo è possibile semplicemente installando heartbeat e copiando i file ha.cf e authkeys da un nodo esistente." #~ msgid "Tell the cluster to forget about the removed host: crm_node -R COROSYNC_ID" #~ msgstr "Comunica al cluster di dimenticare gli host rimossi: crm_node -R COROSYNC_ID" #~ msgid "cibadmin --delete --obj_type nodes --crm_xml '<node uname="pcmk-1"/>'" #~ msgstr "cibadmin --delete --obj_type nodes --crm_xml '<node uname="pcmk-1"/>'" #~ msgid "cibadmin --delete --obj_type status --crm_xml '<node_state uname="pcmk-1"/>'" #~ msgstr "cibadmin --delete --obj_type status --crm_xml '<node_state uname="pcmk-1"/>'" #~ msgid "cibadmin --delete --obj_type nodes --crm_xml '<node uname="pcmk-1"/>'" #~ msgstr "cibadmin --delete --obj_type nodes --crm_xml '<node uname="pcmk-1"/>'" #~ msgid "cibadmin --delete --obj_type status --crm_xml '<node_state uname="pcmk-1"/>'" #~ msgstr "cibadmin --delete --obj_type status --crm_xml '<node_state uname="pcmk-1"/>'" #~ msgid "The five-step guide to replacing an existing cluster node:" #~ msgstr "Guida in cinque passi per rimpiazzare un nodo esistente del cluster:" #~ msgid "The seven-step guide to replacing an existing cluster node:" #~ msgstr "Guida in sette passi per rimpiazzare un nodo del cluster esistente:" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Options.po000066400000000000000000001007021217637305600242100ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-23 23:07+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "Opzioni del cluster" #. Tag: title #, no-c-format msgid "Special Options" msgstr "Opzioni speciali" #. Tag: para #, no-c-format msgid "The reason for these fields to be placed at the top level instead of with the rest of cluster options is simply a matter of parsing. These options are used by the configuration database which is, by design, mostly ignorant of the content it holds. So the decision was made to place them in an easy to find location." msgstr "La ragione per cui questi campi vengono posti in cima anziché con il resto delle opzioni del cluster è meramente una questione di parsing. Queste opzioni sono utilizzate dal database di configurazione che è, per natura, piuttosto ignorante dei contenuti che detetiene. Quindi la decisione è stata presa in modo da porli in una locazione facile da individuare." #. Tag: title #, no-c-format msgid "Configuration Version" msgstr "Versione della configurazione" #. Tag: para #, no-c-format msgid " Configuration VersionCluster Cluster ClusterOptionConfiguration Version OptionConfiguration Version Configuration Version " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "When a node joins the cluster, the cluster will perform a check to see who has the best configuration based on the fields below. It then asks the node with the highest (admin_epoch, epoch, num_updates) tuple to replace the configuration on all the nodes - which makes setting them, and setting them correctly, very important." msgstr "Quando un nodo aderisce al cluster, questo effettuerà un controllo per vedere chi ha la migliore configurazione in base ai campi riportati sotto. Esso domanda poi al nodo con la più alta (admin_epoch, epoch, num_updates) tupla di rimpiazzare la configurazione su tutti i nodi - il che implica una notevole importanza ai valori, i quali dovranno essere impostati correttamente." #. Tag: title #, no-c-format msgid "Configuration Version Properties" msgstr "Proprietà relative alla versione della configurazione" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "admin_epoch" msgstr "" #. Tag: para #, no-c-format msgid " admin_epochCluster Option Cluster Option ClusterOptionadmin_epoch Optionadmin_epoch admin_epoch Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Never set this value to zero, in such cases the cluster cannot tell the difference between your configuration and the \"empty\" one used when nothing is found on disk." msgstr "Non settare mai questo valore a zero, in questi casi il cluster non potrà determinare la differenza tra la configurazione attiva e quella "vuota" utilizzata quando non viene trovato nulla sul disco." #. Tag: para #, no-c-format msgid "epoch" msgstr "" #. Tag: para #, no-c-format msgid " epochCluster Option Cluster Option ClusterOptionepoch Optionepoch epoch Incremented every time the configuration is updated (usually by the admin)" msgstr "" #. Tag: para #, no-c-format msgid "num_updates" msgstr "" #. Tag: para #, no-c-format msgid " num_updatesCluster Option Cluster Option ClusterOptionnum_updates Optionnum_updates num_updates Incremented every time the configuration or status is updated (usually by the cluster)" msgstr "" #. Tag: title #, no-c-format msgid "Other Fields" msgstr "Altri campi" #. Tag: title #, fuzzy, no-c-format msgid "Properties Controlling Validation" msgstr "Proprietà del controllo di validazione" #. Tag: para #, no-c-format msgid "validate-with" msgstr "" #. Tag: para #, no-c-format msgid " validate-withCluster Option Cluster Option ClusterOptionvalidate-with Optionvalidate-with validate-with Determines the type of validation being done on the configuration. If set to \"none\", the cluster will not verify that updates conform to the DTD (nor reject ones that don’t). This option can be useful when operating a mixed version cluster during an upgrade." msgstr "" #. Tag: title #, no-c-format msgid "Fields Maintained by the Cluster" msgstr "Campi gestiti dal cluster" #. Tag: title #, no-c-format msgid "Properties Maintained by the Cluster" msgstr "Proprietà gestite dal cluster" #. Tag: para #, fuzzy, no-c-format msgid "cib-last-written" msgstr "cib-last-written" #. Tag: para #, no-c-format msgid " cib-last-writtenCluster Property Cluster Property ClusterPropertycib-last-written Propertycib-last-written cib-last-written Indicates when the configuration was last written to disk. Informational purposes only." msgstr "" #. Tag: para #, no-c-format msgid "dc-uuid" msgstr "" #. Tag: para #, no-c-format msgid " dc-uuidCluster Property Cluster Property ClusterPropertydc-uuid Propertydc-uuid dc-uuid Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events." msgstr "" #. Tag: para #, no-c-format msgid "have-quorum" msgstr "" #. Tag: para #, no-c-format msgid " have-quorumCluster Property Cluster Property ClusterPropertyhave-quorum Propertyhave-quorum have-quorum Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See no-quorum-policy below." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Note that although these fields can be written to by the admin, in most cases the cluster will overwrite any values specified by the admin with the \"correct\" ones. To change the admin_epoch, for example, one would use:" msgstr "Da notare come sebbene questi campi possono essere impostati dall'admin, in molti casi il cluster li riscriverà qualsiasi valore specificato da admin con quelli "corretti"" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --modify --crm_xml '<cib admin_epoch=\"42\"/>'" msgstr "cibadmin --modify --crm_xml ‘<cib admin_epoch="42"/>'" #. Tag: para #, no-c-format msgid "A complete set of fields will look something like this:" msgstr "Un set completo di campi assomiglierà a questo:" #. Tag: title #, no-c-format msgid "An example of the fields set for a cib object" msgstr "Un esempio dei campi settati per un oggetto cib" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib have-quorum=\"true\" validate-with=\"pacemaker-1.0\"\n" " admin_epoch=\"1\" epoch=\"12\" num_updates=\"65\"\n" " dc-uuid=\"ea7d39f4-3b94-4cfa-ba7a-952956daabee\">" msgstr "" "\n" "\n" " <cib have-quorum="true" validate-with="pacemaker-1.0" admin_epoch="1" epoch="12" num_updates="65"\n" " dc-uuid="ea7d39f4-3b94-4cfa-ba7a-952956daabee">\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "Cluster options, as you might expect, control how the cluster behaves when confronted with certain situations." msgstr "Le opzioni del cluster, come presumibile, controllano come il cluster si comporta di fronte a determinate situazioni." #. Tag: para #, fuzzy, no-c-format msgid "They are grouped into sets and, in advanced configurations, there may be more than one. This will be described later in the section on where we will show how to have the cluster use different sets of options during working hours (when downtime is usually to be avoided at all costs) than it does during the weekends (when resources can be moved to the their preferred hosts without bothering end users) For now we will describe the simple case where each option is present at most once." msgstr "Esse sono raggruppate in set e, in configurazioni avanzate, ne possono esistere più di uno. Questo verrà descritto più avanti nel dove verrà mostrato come sia possibile fare in modo che il cluster utilizzi diversi set di opzioni durante gli orari lavorativi (dove qualsiasi downtime va evitato ad ogni costo) e durate i weekend (quando le risorse possono essere spostate ai loro host preferiti senza annoiare gli utilizzatori finali) Per ora verrà descritto il semplice caso in cui ogni opzione è presente al massimo una volta." #. Tag: title #, no-c-format msgid "Available Cluster Options" msgstr "Opzioni disponibili nel cluster" #. Tag: entry #, no-c-format msgid "Option" msgstr "Opzione" #. Tag: entry #, no-c-format msgid "Default" msgstr "Default" #. Tag: para #, no-c-format msgid "batch-limit" msgstr "" #. Tag: para #, no-c-format msgid "30" msgstr "30" #. Tag: para #, no-c-format msgid " batch-limitCluster Option Cluster Option ClusterOptionbatch-limit Optionbatch-limit batch-limit The number of jobs that the TE is allowed to execute in parallel. The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, no-c-format msgid "migration-limit" msgstr "" #. Tag: para #, no-c-format msgid "-1 (unlimited)" msgstr "" #. Tag: para #, no-c-format msgid " migration-limitCluster Option Cluster Option ClusterOptionmigration-limit Optionmigration-limit migration-limit The number of migration jobs that the TE is allowed to execute in parallel on a node." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "no-quorum-policy" msgstr "no-quorum-policy" #. Tag: para #, no-c-format msgid "stop" msgstr "stop" #. Tag: para #, no-c-format msgid " no-quorum-policyCluster Option Cluster Option ClusterOptionno-quorum-policy Optionno-quorum-policy no-quorum-policy What to do when the cluster does not have quorum. Allowed values:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "* ignore - continue all resource management" msgstr "ignore - continua a gestire tutte le risorse" #. Tag: para #, fuzzy, no-c-format msgid "* freeze - continue resource management, but don’t recover resources from nodes not in the affected partition" msgstr "freeze - continua a gestire le risorse, ma non ripara risorse da nodi non presenti nella partizione interessata" #. Tag: para #, fuzzy, no-c-format msgid "* stop - stop all resources in the affected cluster partition" msgstr "stop - ferma tutte le risorse nella partizione del cluster interessata" #. Tag: para #, fuzzy, no-c-format msgid "* suicide - fence all nodes in the affected cluster partition" msgstr "suicide - effettua il fence di tutti i nodi nella partizione del cluster interessata" #. Tag: para #, fuzzy, no-c-format msgid "symmetric-cluster" msgstr "symmetric-cluster" #. Tag: para #, no-c-format msgid "TRUE" msgstr "TRUE" #. Tag: para #, no-c-format msgid " symmetric-clusterCluster Option Cluster Option ClusterOptionsymmetric-cluster Optionsymmetric-cluster symmetric-cluster Can all resources run on any node by default?" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "stonith-enabled" msgstr "stonith-enabled" #. Tag: para #, no-c-format msgid " stonith-enabledCluster Option Cluster Option ClusterOptionstonith-enabled Optionstonith-enabled stonith-enabled Should failed nodes and nodes with resources that can’t be stopped be shot? If you value your data, set up a STONITH device and enable this." msgstr "" #. Tag: para #, no-c-format msgid "If true, or unset, the cluster will refuse to start resources unless one or more STONITH resources have been configured also." msgstr "Se \"true\" o non valorizzata, il cluster rifiuterà di avviare risorse a meno che uno o più dispositivi STONITH siano stati configurati." #. Tag: para #, no-c-format msgid "stonith-action" msgstr "" #. Tag: para #, no-c-format msgid "reboot" msgstr "reboot" #. Tag: para #, no-c-format msgid " stonith-actionCluster Option Cluster Option ClusterOptionstonith-action Optionstonith-action stonith-action Action to send to STONITH device. Allowed values: reboot, off. The value poweroff is also allowed, but is only used for legacy devices." msgstr "" #. Tag: para #, no-c-format msgid "cluster-delay" msgstr "" #. Tag: para #, no-c-format msgid "60s" msgstr "60s" #. Tag: para #, no-c-format msgid " cluster-delayCluster Option Cluster Option ClusterOptioncluster-delay Optioncluster-delay cluster-delay Round trip delay over the network (excluding action execution). The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "stop-orphan-resources" msgstr "stop-orphan-resources" #. Tag: para #, no-c-format msgid " stop-orphan-resourcesCluster Option Cluster Option ClusterOptionstop-orphan-resources Optionstop-orphan-resources stop-orphan-resources Should deleted resources be stopped?" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "stop-orphan-actions" msgstr "stop-orphan-actions" #. Tag: para #, no-c-format msgid " stop-orphan-actionsCluster Option Cluster Option ClusterOptionstop-orphan-actions Optionstop-orphan-actions stop-orphan-actions Should deleted actions be cancelled?" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "start-failure-is-fatal" msgstr "start-failure-is-fatal" #. Tag: para #, no-c-format msgid " start-failure-is-fatalCluster Option Cluster Option ClusterOptionstart-failure-is-fatal Optionstart-failure-is-fatal start-failure-is-fatal When set to FALSE, the cluster will instead use the resource’s failcount and value for resource-failure-stickiness." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pe-error-series-max" msgstr "pe-error-series-max" #. Tag: para #, no-c-format msgid "-1 (all)" msgstr "-1 (tutti)" #. Tag: para #, no-c-format msgid " pe-error-series-maxCluster Option Cluster Option ClusterOptionpe-error-series-max Optionpe-error-series-max pe-error-series-max The number of PE inputs resulting in ERRORs to save. Used when reporting problems." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pe-warn-series-max" msgstr "pe-warn-series-max" #. Tag: para #, no-c-format msgid " pe-warn-series-maxCluster Option Cluster Option ClusterOptionpe-warn-series-max Optionpe-warn-series-max pe-warn-series-max The number of PE inputs resulting in WARNINGs to save. Used when reporting problems." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "pe-input-series-max" msgstr "pe-input-series-max" #. Tag: para #, no-c-format msgid " pe-input-series-maxCluster Option Cluster Option ClusterOptionpe-input-series-max Optionpe-input-series-max pe-input-series-max The number of \"normal\" PE inputs to save. Used when reporting problems." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "You can always obtain an up-to-date list of cluster options, including their default values, by running the pengine metadata command." msgstr "E' sempre possibile ottenere una lista aggiornata delle opzioni del cluster, inclusi i loro valori di default lanciando il comando pengine metadata." #. Tag: title #, no-c-format msgid "Querying and Setting Cluster Options" msgstr "Interrogare e valorizzare le opzioni del cluster" #. Tag: para #, no-c-format msgid " QueryingCluster Option Cluster Option SettingCluster Option Cluster Option ClusterQuerying Options Querying Options ClusterSetting Options Setting Options " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Cluster options can be queried and modified using the crm_attribute tool. To get the current value of cluster-delay, simply use:" msgstr "Le opzioni del cluster possono essere interrogate e modificate mediante l'utilizzo dello strumento crm_attribute. Per ottenere il valore del parametro cluster-delay è sufficiente utilizzare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --get-value" msgstr "crm_attribute --attr-name cluster-delay --get-value" #. Tag: para #, no-c-format msgid "which is more simply written as" msgstr "più semplicemente scrivibile come" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --get-value -n cluster-delay" msgstr "crm_attribute --get-value -n cluster-delay" #. Tag: para #, fuzzy, no-c-format msgid "If a value is found, you’ll see a result like this:" msgstr "Se viene trovato un valore, allora sarà possibile vederlo come segue" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --get-value -n cluster-delay\n" " name=cluster-delay value=60s" msgstr "" "\n" " # crm_attribute --get-value -n cluster-delay\n" " name=cluster-delay value=60s" #. Tag: para #, fuzzy, no-c-format msgid "However, if no value is found, the tool will display an error:" msgstr "Ad ogni modo se nessun valore viene trovato lo strumento restituirà un errore:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --get-value -n clusta-deway`\n" "name=clusta-deway value=(null)\n" "Error performing operation: The object/attribute does not exist" msgstr "" "\n" " # crm_attribute --get-value -n clusta-deway\n" " name=clusta-deway value=(null)\n" " Error performing operation: The object/attribute does not exist" #. Tag: para #, fuzzy, no-c-format msgid "To use a different value, eg. 30, simply run:" msgstr "Per utilizzare un valore differente, ad esempio 30s, è sufficiente lanciare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --attr-value 30s" msgstr "crm_attribute --attr-name cluster-delay --attr-value 30s" #. Tag: para #, fuzzy, no-c-format msgid "To go back to the cluster’s default value you can delete the value, for example with this command:" msgstr "Per ripristinare il valore di default è possibile cancellare il valore con:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --delete-attr" msgstr "crm_attribute --attr-name cluster-delay --delete-attr" #. Tag: title #, no-c-format msgid "When Options are Listed More Than Once" msgstr "Quando le opzioni vengono elencate più di una volta" #. Tag: para #, fuzzy, no-c-format msgid "If you ever see something like the following, it means that the option you’re modifying is present more than once." msgstr "Se capiterà mai di vedere quanto illustrato, il motivo risiederà nel fatto che sono state dichiarate le stesse opzioni più di una volta." #. Tag: title #, no-c-format msgid "Deleting an option that is listed twice" msgstr "Cancellare un'opzione dichiarata due volte" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --attr-name batch-limit --delete-attr\n" "\n" "Multiple attributes match name=batch-limit in crm_config:\n" "Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit)\n" "Value: 100 (set=custom, id=custom-batch-limit)\n" "Please choose from one of the matches above and supply the 'id' with --attr-id" msgstr "" "\n" " # crm_attribute --attr-name batch-limit --delete-attr\n" " Multiple attributes match name=batch-limit in crm_config:\n" " Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit)\n" " Value: 100 (set=custom, id=custom-batch-limit)\n" " Please choose from one of the matches above and supply the 'id' with --attr-id" #. Tag: para #, fuzzy, no-c-format msgid "In such cases follow the on-screen instructions to perform the requested action. To determine which value is currently being used by the cluster, please refer to ." msgstr "In questi casi seguendo le istruzioni a video sarà possibile eseguire l'azione richiesta. Per determinare quale valore è attualmente utilizzato dal cluster bisognerà fare riferimento al ." #~ msgid "admin_epoch" #~ msgstr "admin_epoch" #~ msgid "Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete." #~ msgstr "Non viene mai modificata dal cluster. Viene utilizzata per applicare le configurazioni su qualsiasi nodo inattivo obsoleto." #~ msgid "epoch" #~ msgstr "epoch" #~ msgid "Incremented every time the configuration is updated (usually by the admin)" #~ msgstr "Incrementata ogni volta che la configurazione viene aggiornata (generalmente dall'admin)" #~ msgid "num_updates" #~ msgstr "num_updates" #~ msgid "Incremented every time the configuration or status is updated (usually by the cluster)" #~ msgstr "Incrementata ogni volta che la configurazione o lo stato vengono aggiornati (generalmente dal cluster)" #~ msgid "validate-with" #~ msgstr "validate-with" #~ msgid "Determines the type of validation being done on the configuration. If set to "none", the cluster will not verify that updates conform the the DTD (nor reject ones that don't). This option can be useful when operating a mixed version cluster during an upgrade." #~ msgstr "Determina il tipo di validazione effettuata sulla configurazione. Se valorizzata a "none" il cluster non verificherà che gli aggiornamenti siano conformi al DTD (e non scarterà quelli che non lo sono). Questa opzione può essere utile quando si opera con versioni del cluster mixate, durante un aggiornamento." #~ msgid "crm-debug-origin" #~ msgstr "crm-debug-origin" #~ msgid "Indicates where the last update came from. Informational purposes only." #~ msgstr "Indica da dove è provenuto l'ultimo aggiornamento. Ha scopo puramente informativo." #~ msgid "Indicates when the configuration was last written to disk. Informational purposes only." #~ msgstr "Indica quando la configurazione è stata scritta su disco. Ha scopo puramente informativo." #~ msgid "dc-uuid" #~ msgstr "dc-uuid" #~ msgid "Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events." #~ msgstr "Indica quale nodo del cluster è l'attuale capo. Viene utilizzato dal cluster durante l'assegnamento delle risorse e determinato l'ordine di alcuni eventi." #~ msgid "have-quorum" #~ msgstr "have-quorum" #~ msgid "Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See no-quorum-policy below." #~ msgstr "Indica se il cluster ha quorumi. Se valorizzata a \"false\" potrebbe significare che il cluster non può avviare risorse od effettuare il fence di altri nodi. Vedere no-quorum-policy sotto." #~ msgid "batch-limit" #~ msgstr "batch-limit" #~ msgid "The number of jobs that the TE is allowed to execute in parallel. The "correct" value will depend on the speed and load of your network and cluster nodes." #~ msgstr "Il numero di job che il TE è abilitato ad eseguire in parallelo. Il valore "corretto" dipenderà dalla velocità e dal carico della rete e dei nodi del cluster." #~ msgid "What to do when the cluster does not have quorum. Allowed values:" #~ msgstr "Cosa fare quando il cluster non ha quorum. Valori permessi:" #~ msgid "Can all resources run on any node by default?" #~ msgstr "Possono di default tutte le risorse funzionare su qualsiasi nodo?" #~ msgid "Should failed nodes and nodes with resources that can't be stopped be shot? If you value your data, set up a STONITH device and enable this." #~ msgstr "I nodi falliti ed i nodi con risorse che non possono essere fermate possono essere colpiti? Se si ritengono i propri dati importanti, sarà necessario configurare un dispositivo STONITH ed abilitare questa opzione. " #~ msgid "stonith-action" #~ msgstr "stonith-action" #~ msgid "Action to send to STONITH device. Allowed values: reboot, poweroff." #~ msgstr "Azione da inviare al dispositivo STONITH. Valori permessi: reboot, poweroff." #~ msgid "cluster-delay" #~ msgstr "cluster-delay" #~ msgid "Round trip delay over the network (excluding action execution). The "correct" value will depend on the speed and load of your network and cluster nodes." #~ msgstr "Ritardo guidato sulla rete (con esclusione dell'esecuzione dell'azione). Il valore "corretto" dipenderà dalla velocità e dal carico della propria rete e dai nodi del cluster." #~ msgid "Should deleted resources be stopped" #~ msgstr "Le risorse cancellate devono essere fermate?" #~ msgid "Should deleted actions be cancelled" #~ msgstr "Le azioni cancellate devono essere annullate?" #~ msgid "When set to FALSE, the cluster will instead use the resource's failcount and value for resource-failure-stickiness" #~ msgstr "Quando settata a FALSE il cluster utilizzerà invece il valore di failcount delle risorse ed il valore di resource-failure-stickiness" #~ msgid "The number of PE inputs resulting in ERRORs to save. Used when reporting problems." #~ msgstr "Il numero da salvare di input PE che risultano in stato ERROR. Utilizzato in fase di comunicazione di problemi." #~ msgid "The number of PE inputs resulting in WARNINGs to save. Used when reporting problems." #~ msgstr "Il numero da salvare di input PE che risultano in stato WARNING. Utilizzato in fase di comunicazione di problemi." #~ msgid "The number of "normal" PE inputs to save. Used when reporting problems." #~ msgstr "Il numero da salvare di input PE in stato "normal". Utilizzato in fase di comunicazione di problemi." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Resources.po000066400000000000000000002063021217637305600245320ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-05-03 15:46+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Resources" msgstr "Risorse del cluster" #. Tag: title #, no-c-format msgid "What is a Cluster Resource" msgstr "Cos'è una risorsa del cluster" #. Tag: para #, no-c-format msgid " Resource " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The role of a resource agent is to abstract the service it provides and present a consistent view to the cluster, which allows the cluster to be agnostic about the resources it manages." msgstr "Il ruolo di un resource agent è quello di astrarre il servizio che eroga e presentarne una vista consistente al cluster, il che abilita il cluster ad essere all'oscuro delle risorse che gestisce. Il cluster non necessità di capire come funziona una risorsa perché si appoggia al resource agent per fare la cosa giusta quando viene eseguito uno start, uno stop o un comando di monitor." #. Tag: para #, no-c-format msgid "The cluster doesn’t need to understand how the resource works because it relies on the resource agent to do the right thing when given a start, stop or monitor command." msgstr "" #. Tag: para #, no-c-format msgid "For this reason it is crucial that resource agents are well tested." msgstr "Per questa ragione è cruciale che i resource agent siano ben testati." #. Tag: para #, no-c-format msgid "Typically resource agents come in the form of shell scripts, however they can be written using any technology (such as C, Python or Perl) that the author is comfortable with." msgstr "Tipicamente i resource agents nascono come script di shell, tuttavia possono essere scritti utilizzando qualsiasi tecnologia (come C, Python o Perl) con la quale l'autore abbia familiarità." #. Tag: title #, no-c-format msgid "Supported Resource Classes" msgstr "Classi di risorse supportate" #. Tag: para #, no-c-format msgid " Resourceclass class " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There are five classes of agents supported by Pacemaker:" msgstr "Esistono tre classi base di agenti supportati da Pacemaker. Il cui utilizzo viene caldeggiato:" #. Tag: para #, no-c-format msgid "OCF" msgstr "" #. Tag: para #, no-c-format msgid "LSB" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Upstart" msgstr "stop_start" #. Tag: para #, no-c-format msgid "Systemd" msgstr "" #. Tag: para #, no-c-format msgid "Fencing" msgstr "" #. Tag: para #, no-c-format msgid "Service" msgstr "" #. Tag: para #, no-c-format msgid " ResourceHeartbeat Heartbeat HeartbeatResources Resources " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Version 1 of Heartbeat came with its own style of resource agents and it is highly likely that many people have written their own agents based on its conventions. See http://wiki.linux-ha.org/HeartbeatResourceAgent for more information " msgstr "La versione 1 di Heartbeat aveva un proprio stile per i resource agent e verosimilmente tutte le persone che hanno sviluppato propri resource agent si sono basati su queste convenzioni. Per fare in modo che gli amministratori continuino ad utilizzare quest agenti questi sono supportati dal nuovo cluster manager." #. Tag: para #, no-c-format msgid "Although deprecated with the release of Heartbeat v2, they were supported by Pacemaker up until the release of 1.1.8 to enable administrators to continue to use these agents." msgstr "" #. Tag: title #, no-c-format msgid "Open Cluster Framework" msgstr "Open Cluster Framework" #. Tag: para #, no-c-format msgid " ResourceOCF OCF OCFResources Resources Open Cluster FrameworkResources Resources " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The OCF standard http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD - at least as it relates to resource agents. The Pacemaker implementation has been somewhat extended from the OCF Specs, but none of those changes are incompatible with the original OCF specification. is basically an extension of the Linux Standard Base conventions for init scripts to:" msgstr "Le specifiche OCF (per come si riferiscono ai resource agent, possono essere trovate qui: ) Nota: l'implementazione di Pacemaker è stata in qualche modo estesa dalle specifiche OCF, ma nessuno di questi cambiamenti è incompabile con la specifica originale OCF sono sostanzialmente un'estensione delle convenzioni degli script di init Linux Standard Base per " #. Tag: para #, fuzzy, no-c-format msgid "support parameters," msgstr "supportare parametri" #. Tag: para #, fuzzy, no-c-format msgid "make them self describing and" msgstr "renderli auto esplicativi ed" #. Tag: para #, no-c-format msgid "extensible" msgstr "estensibili" #. Tag: para #, no-c-format msgid "OCF specs have strict definitions of the exit codes that actions must return. Included with the cluster is the ocf-tester script, which can be useful in this regard. " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The cluster follows these specifications exactly, and giving the wrong exit code will cause the cluster to behave in ways you will likely find puzzling and annoying. In particular, the cluster needs to distinguish a completely stopped resource from one which is in some erroneous and indeterminate state." msgstr "Le specifiche OCF hanno definizioni rigorose di quali exit code devono restituire Incluso nel cluster vi è lo script ocf-tester che può essere utile in questo senso. Il cluster segue esattamente queste specifiche e restituire un exit code non corretto causerebbe al cluster comportamenti inaspettati e noiosi difficili da interpretare. In particolare il cluster necessita di distinguere una risorsa competamente stoppata da una che si trova in stato errato o indeterminabile." #. Tag: para #, fuzzy, no-c-format msgid "Parameters are passed to the script as environment variables, with the special prefix OCF_RESKEY_. So, a parameter which the user thinks of as ip it will be passed to the script as OCF_RESKEY_ip. The number and purpose of the parameters is completely arbitrary, however your script should advertise any that it supports using the meta-data command." msgstr "I parametri sono passati allo script come variabili d'ambiente, con il prefisso speciale OCF_RESKEY_. Quindi se la propria necessità è quella di utilizzare una variabile chiamata ip, questa verrà passata allo script come OCF_RESKEY_ip. Il numero e lo scopo dei parametri è completamente arbitrario, ad ogni modo lo script dovrebbe allertare su quali parametri supporta mediante il comando meta-data." #. Tag: para #, no-c-format msgid "The OCF class is the most preferred one as it is an industry standard, highly flexible (allowing parameters to be passed to agents in a non-positional manner) and self-describing." msgstr "La classe OCF è la preferita poiché è uno standard industriale, altamente flessibile (permettendo che i parametri vengano passati agli agenti in maniera non posizionale) ed auto esplicativi." #. Tag: para #, fuzzy, no-c-format msgid "For more information, see the reference and ." msgstr "Per ulteriori informazioni, vedere e ." #. Tag: title #, no-c-format msgid "Linux Standard Base" msgstr "Linux Standard Base" #. Tag: para #, no-c-format msgid " ResourceLSB LSB LSBResources Resources Linux Standard BaseResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "LSB resource agents are those found in /etc/init.d." msgstr "" #. Tag: para #, no-c-format msgid "Generally they are provided by the OS/distribution and, in order to be used with the cluster, they must conform to the LSB Spec. See http://refspecs.linux-foundation.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html for the LSB Spec (as it relates to init scripts). " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Many distributions claim LSB compliance but ship with broken init scripts. For details on how to check if your init script is LSB-compatible, see . The most common problems are:" msgstr "Molte distribuzioni affermano di essere LSB compatibili, ma in realtà hanno script di init non funzionanti. Per vedere se i propri script di init sono LSB-compatibili fare riferimento alla FAQ ." #. Tag: para #, no-c-format msgid "Not implementing the status operation at all" msgstr "Assenza dell'operazione status" #. Tag: para #, no-c-format msgid "Not observing the correct exit status codes for start/stop/status actions" msgstr "Assenza dell'exit status corretto per le azioni start/stop/status" #. Tag: para #, no-c-format msgid "Starting a started resource returns an error (this violates the LSB spec)" msgstr "Lo start di una risorsa avviata restituisce un errore (questo viola le specifiche LSB)" #. Tag: para #, no-c-format msgid "Stopping a stopped resource returns an error (this violates the LSB spec)" msgstr "Lo stop di una risorsa ferma restituisce un errore (questo viola le specifiche LSB)" #. Tag: para #, no-c-format msgid " ResourceSystemd Systemd SystemdResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Systemd." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is able to manage these services if they are present." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, systemd has unit files. Generally the services (or unit files) are provided by the OS/distribution but there are some instructions for converting from init scripts at: http://0pointer.de/blog/projects/systemd-for-admins-3.html" msgstr "" #. Tag: para #, no-c-format msgid "Remember to make sure the computer is not configured to start any services at boot time that should be controlled by the cluster." msgstr "" #. Tag: para #, no-c-format msgid " ResourceUpstart Upstart UpstartResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Upstart." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, upstart has jobs. Generally the services (or jobs) are provided by the OS/distribution." msgstr "" #. Tag: title #, no-c-format msgid "System Services" msgstr "" #. Tag: para #, no-c-format msgid " ResourceSystem Services System Services System ServiceResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Since there are now many \"common\" types of system services (systemd, upstart, and lsb), Pacemaker supports a special alias which intelligently figures out which one applies to a given cluster node." msgstr "" #. Tag: para #, no-c-format msgid "This is particularly useful when the cluster contains a mix of systemd, upstart, and lsb." msgstr "" #. Tag: para #, no-c-format msgid "In order, Pacemaker will try to find the named service as:" msgstr "" #. Tag: para #, no-c-format msgid "an LSB (SYS-V) init script" msgstr "" #. Tag: para #, no-c-format msgid "a Systemd unit file" msgstr "" #. Tag: para #, no-c-format msgid "an Upstart job" msgstr "" #. Tag: title #, no-c-format msgid "STONITH" msgstr "" #. Tag: para #, no-c-format msgid " ResourceSTONITH STONITH STONITHResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "There is also an additional class, STONITH, which is used exclusively for fencing related resources. This is discussed later in ." msgstr "Esiste ancheuna classe aggiuntiva, STONITH, che viene usata esclusivamente per effettuare il fence delle risorse relative. L'argomento è trattato più avanti nel ." #. Tag: title #, fuzzy, no-c-format msgid "Resource Properties" msgstr "Operazioni sulle risorse" #. Tag: para #, no-c-format msgid "These values tell the cluster which script to use for the resource, where to find that script and what standards it conforms to." msgstr "Questo valore indica al cluster quale script utilizzare per la risorsa, dove trovarlo ed a quali standard è conforme." #. Tag: title #, no-c-format msgid "Properties of a Primitive Resource" msgstr "Proprietà di una Primitive Resource" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the resource idResource Resource ResourcePropertyid Propertyid id " msgstr "" #. Tag: para #, no-c-format msgid "class" msgstr "" #. Tag: para #, no-c-format msgid "The standard the script conforms to. Allowed values: ocf, service, upstart, systemd, lsb, stonith classResource Resource ResourcePropertyclass Propertyclass class " msgstr "" #. Tag: para #, no-c-format msgid "type" msgstr "" #. Tag: para #, no-c-format msgid "The name of the Resource Agent you wish to use. Eg. IPaddr or Filesystem typeResource Resource ResourcePropertytype Propertytype type " msgstr "" #. Tag: para #, no-c-format msgid "provider" msgstr "" #. Tag: para #, no-c-format msgid "The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify heartbeat here. providerResource Resource ResourcePropertyprovider Propertyprovider provider " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Resource definitions can be queried with the crm_resource tool. For example" msgstr "Le definizioni della risorsa possono essere interrogate con lo strumento crm_resource. Ad esempio" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --resource Email --query-xml" msgstr "crm_resource --resource Email --query-xml" #. Tag: para #, fuzzy, no-c-format msgid "might produce:" msgstr "potrebbe restituire" #. Tag: title #, fuzzy, no-c-format msgid "An example system resource" msgstr "Una risorsa LSB di esempio" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Email\" class=\"service\" type=\"exim\"/>" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "One of the main drawbacks to system services (such as LSB, Systemd and Upstart) resources is that they do not allow any parameters!" msgstr "Uno dei principali svantaggi delle risorse LSB è che essi non supportano alcun parametro" #. Tag: title #, no-c-format msgid "An example OCF resource" msgstr "Un esempio di risorsa OCF" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "Resource Options" msgstr "Opzioni delle risorse" #. Tag: para #, fuzzy, no-c-format msgid "Options are used by the cluster to decide how your resource should behave and can be easily set using the --meta option of the crm_resource command." msgstr "Le opzioni vengono utilizzate dal cluster per decidere come la propria risorsa debba comportarsi. Esse possono facilmente essere impostate utilizzando l'opzione --meta del comando crm_resource." #. Tag: title #, no-c-format msgid "Options for a Primitive Resource" msgstr "Opzioni per una Primitive Resource" #. Tag: entry #, no-c-format msgid "Default" msgstr "Default" #. Tag: para #, no-c-format msgid "priority" msgstr "" #. Tag: para #, no-c-format msgid "0" msgstr "" #. Tag: para #, no-c-format msgid "If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active. priorityResource Option Resource Option ResourceOptionpriority Optionpriority priority " msgstr "" #. Tag: para #, no-c-format msgid "target-role" msgstr "" #. Tag: para #, no-c-format msgid "Started" msgstr "" #. Tag: para #, no-c-format msgid "What state should the cluster attempt to keep this resource in? Allowed values:" msgstr "In quale stato il cluster deve cercare di tenere questa risorsa? Valori permessi:" #. Tag: para #, fuzzy, no-c-format msgid "* Stopped - Force the resource to be stopped" msgstr "Stopped - Forza lo stop risorsa" #. Tag: para #, fuzzy, no-c-format msgid "* Started - Allow the resource to be started (In the case of multi-state resources, they will not promoted to master)" msgstr "Started - Permetti alla risorsa di essere avviata (nel caso di risorse multi-state esse non verranno promosse a master)" #. Tag: para #, no-c-format msgid "* Master - Allow the resource to be started and, if appropriate, promoted target-roleResource Option Resource Option ResourceOptiontarget-role Optiontarget-role target-role " msgstr "" #. Tag: para #, no-c-format msgid "is-managed" msgstr "" #. Tag: para #, no-c-format msgid "TRUE" msgstr "" #. Tag: para #, no-c-format msgid "Is the cluster allowed to start and stop the resource? Allowed values: true, false is-managedResource Option Resource Option ResourceOptionis-managed Optionis-managed is-managed " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "resource-stickiness" msgstr "resource-stickiness" #. Tag: para #, no-c-format msgid "Calculated" msgstr "" #. Tag: para #, no-c-format msgid "How much does the resource prefer to stay where it is? Defaults to the value of resource-stickiness in the rsc_defaults section resource-stickinessResource Option Resource Option ResourceOptionresource-stickiness Optionresource-stickiness resource-stickiness " msgstr "" #. Tag: para #, no-c-format msgid "requires" msgstr "" #. Tag: para #, no-c-format msgid "Under what conditions can the resource be started. (Since 1.1.8)" msgstr "" #. Tag: para #, no-c-format msgid "Defaults to fencing unless stonith-enabled is false or class is stonith - under those conditions the default is quorum. Possible values:" msgstr "" #. Tag: para #, no-c-format msgid "* nothing - can always be started" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "* quorum - The cluster can only start this resource if a majority of the configured nodes are active" msgstr "quorum - Il cluster può avviare questa risorsa solamente se la maggioranza dei nodi configurati è attiva" #. Tag: para #, fuzzy, no-c-format msgid "* fencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off." msgstr "fencing - Il cluster può avviare questa risorsa solo se la maggioranza dei nodi configurati è attiva e qualsiasi nodo fallito o sconosciuto è stato spento." #. Tag: para #, no-c-format msgid "* unfencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off and only on nodes that have been unfenced indexterm: Option[requires,Resource] ResourceOptionrequires Optionrequires requires " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "migration-threshold" msgstr "migration-threshold" #. Tag: para #, fuzzy, no-c-format msgid "INFINITY (disabled)" msgstr "0 (disabilitata)" #. Tag: para #, no-c-format msgid "How many failures may occur for this resource on a node, before this node is marked ineligible to host this resource. migration-thresholdResource Option Resource Option ResourceOptionmigration-threshold Optionmigration-threshold migration-threshold " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "failure-timeout" msgstr "failure-timeout" #. Tag: para #, no-c-format msgid "0 (disabled)" msgstr "" #. Tag: para #, no-c-format msgid "How many seconds to wait before acting as if the failure had not occurred, and potentially allowing the resource back to the node on which it failed. failure-timeoutResource Option Resource Option ResourceOptionfailure-timeout Optionfailure-timeout failure-timeout " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "multiple-active" msgstr "multiple-active" #. Tag: para #, no-c-format msgid "stop_start" msgstr "" #. Tag: para #, no-c-format msgid "What should the cluster do if it ever finds the resource active on more than one node. Allowed values:" msgstr "Cosa dovrebbe fare il cluster se mai trovasse la risorsa attiva su più di un nodo. Valori permessi:" #. Tag: para #, fuzzy, no-c-format msgid "* block - mark the resource as unmanaged" msgstr "block - marchiare la risorse come non gestita (unmanaged)" #. Tag: para #, fuzzy, no-c-format msgid "* stop_only - stop all active instances and leave them that way" msgstr "stop_only - ferma tutte le istanze attive a le lascia in questo stato" #. Tag: para #, fuzzy, no-c-format msgid "* stop_start - stop all active instances and start the resource in one location only" msgstr "stop_start - ferma tutte le istanze attive ed avvia le risorse in una sola posizione" #. Tag: para #, no-c-format msgid " multiple-activeResource Option Resource Option ResourceOptionmultiple-active Optionmultiple-active multiple-active " msgstr "" #. Tag: para #, no-c-format msgid "If you performed the following commands on the previous LSB Email resource" msgstr "Se sono stati eseguiti i seguenti comandi nella precedente risorsa LSB Email" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource --meta --resource Email --set-parameter priority --property-value 100\n" "# crm_resource --meta --resource Email --set-parameter multiple-active --property-value block" msgstr "" "\n" "\tcrm_resource --meta --resource Email --set-parameter priority --property-value 100\n" "\tcrm_resource --meta --resource Email --set-parameter multiple-active --property-value block\n" " " #. Tag: para #, no-c-format msgid "the resulting resource definition would be" msgstr "la definizione della risorsa risultate sarebbe" #. Tag: title #, no-c-format msgid "An LSB resource with cluster options" msgstr "Una risorsa LSB con le opzioni cluster" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Email\" class=\"lsb\" type=\"exim\">\n" " <meta_attributes id=\"meta-email\">\n" " <nvpair id=\"email-priority\" name=\"priority\" value=\"100\"/>\n" " <nvpair id=\"email-active\" name=\"multiple-active\" value=\"block\"/>\n" " </meta_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Email" class="lsb" type="exim">\n" " <meta_attributes id="meta-email">\n" " <nvpair id="email-priority" name="priority" value="100"/>\n" " <nvpair id="email-active" name="multiple-active" value="block"/>\n" " </meta_attributes>\n" " </primitive>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "Setting Global Defaults for Resource Options" msgstr "Settaggio dei valori di default globali per le opzioni delle risorse" #. Tag: para #, fuzzy, no-c-format msgid "To set a default value for a resource option, simply add it to the rsc_defaults section with crm_attribute. Thus," msgstr "Per assegnare il valore di default dell'opzione di una risorsa è sufficiente aggiungerla alla sezione rsc_defaults mediante crm_attribute. In questo modo," #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false" msgstr "crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false" #. Tag: para #, fuzzy, no-c-format msgid "would prevent the cluster from starting or stopping any of the resources in the configuration (unless of course the individual resources were specifically enabled and had is-managed set to true)." msgstr "verrà evitato che il cluster avvii o fermi una qualsiasi risorsa nella configurazione (a meno che le risorse siano specificamente abilitate e sia a true il valore is-managed)." #. Tag: title #, no-c-format msgid "Instance Attributes" msgstr "Attributi dell'istanza" #. Tag: para #, no-c-format msgid "The scripts of some resource classes (LSB not being one of them) can be given parameters which determine how they behave and which instance of a service they control." msgstr "Gli script di alcune classi di risorse (ad esclusione di quelli LSB) supportano il passaggio di parametri che determinano come questi si devono comportare e quale istanza del servizio controllano." #. Tag: para #, fuzzy, no-c-format msgid "If your resource agent supports parameters, you can add them with the crm_resource command. For instance" msgstr "Se il resource agent prescelto supporta parametri, è possibile aggiungerli mediante il comando crm_resource. Ad esempio" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4" msgstr "crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4" #. Tag: para #, fuzzy, no-c-format msgid "would create an entry in the resource like this:" msgstr "creerà una entry come questa" #. Tag: title #, no-c-format msgid "An example OCF resource with instance attributes" msgstr "Una risorsa OCF di esempio con attributi di istanza" #. Tag: para #, fuzzy, no-c-format msgid "For an OCF resource, the result would be an environment variable called OCF_RESKEY_ip with a value of 1.2.3.4." msgstr "Per una risorsa OCF il risultato sarà una variabile d'ambiente chiamata OCF_RESKEY_ip il cui valore è 1.2.3.4" #. Tag: para #, fuzzy, no-c-format msgid "The list of instance attributes supported by an OCF script can be found by calling the resource script with the meta-data command. The output contains an XML description of all the supported attributes, their purpose and default values." msgstr "La lista degli attriuti di istanza supportati da uno script OCF può essere recuperata richiamando lo script con il comando meta-data. L'output contiene una descrizione XML di tutti gli attributi supportati, la loro funzione ed i valori di default." #. Tag: title #, no-c-format msgid "Displaying the metadata for the Dummy resource agent template" msgstr "Visualizzazione dei metadata per il template del resource agent Dummy" #. Tag: programlisting #, no-c-format msgid "" "# export OCF_ROOT=/usr/lib/ocf\n" "# $OCF_ROOT/resource.d/pacemaker/Dummy meta-data" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"Dummy\" version=\"0.9\">\n" " <version>1.0</version>\n" "\n" " <longdesc lang=\"en-US\">\n" " This is a Dummy Resource Agent. It does absolutely nothing except\n" " keep track of whether its running or not.\n" " Its purpose in life is for testing and to serve as a template for RA writers.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy resource agent</shortdesc>\n" "\n" " <parameters>\n" " <parameter name=\"state\" unique=\"1\">\n" " <longdesc lang=\"en-US\">\n" " Location to store the resource state in.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">State file</shortdesc>\n" " <content type=\"string\" default=\"/var/run/Dummy-{OCF_RESOURCE_INSTANCE}.state\" />\n" " </parameter>\n" "\n" " <parameter name=\"dummy\" unique=\"0\">\n" " <longdesc lang=\"en-US\">\n" " Dummy attribute that can be changed to cause a reload\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy attribute that can be changed to cause a reload</shortdesc>\n" " <content type=\"string\" default=\"blah\" />\n" " </parameter>\n" " </parameters>\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"monitor\" timeout=\"20\" interval=\"10\",height=\"0\" start-delay=\"0\" />\n" " <action name=\"reload\" timeout=\"90\" />\n" " <action name=\"migrate_to\" timeout=\"100\" />\n" " <action name=\"migrate_from\" timeout=\"90\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" "\n" " export OCF_ROOT=/usr/lib/ocf; $OCF_ROOT/resource.d/pacemaker/Dummy meta-data\n" "\n" " <?xml version="1.0"?>\n" " <!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">\n" " <resource-agent name="Dummy" version="0.9">\n" " <version>1.0</version>\n" " \n" " <longdesc lang="en-US">\n" " This is a Dummy Resource Agent. It does absolutely nothing except \n" " keep track of whether its running or not.\n" " Its purpose in life is for testing and to serve as a template for RA writers.\n" " </longdesc>\n" " <shortdesc lang="en-US">Dummy resource agent</shortdesc>\n" " \n" " <parameters>\n" " <parameter name="state" unique="1">\n" " <longdesc lang="en-US">\n" " Location to store the resource state in.\n" " </longdesc>\n" " <shortdesc lang="en-US">State file</shortdesc>\n" " <content type="string" default="/var/run//Dummy-{OCF_RESOURCE_INSTANCE}.state" />\n" " </parameter>\n" " \n" " <parameter name="dummy" unique="0">\n" " <longdesc lang="en-US"> \n" " Dummy attribute that can be changed to cause a reload\n" " </longdesc>\n" " <shortdesc lang="en-US">Dummy attribute that can be changed to cause a reload</shortdesc>\n" " <content type="string" default="blah" />\n" " </parameter>\n" " </parameters>\n" " \n" " <actions>\n" " <action name="start" timeout="90" />\n" " <action name="stop" timeout="100" />\n" " <action name="monitor" timeout="20" interval="10" depth="0" start-delay="0" />\n" " <action name="reload" timeout="90" />\n" " <action name="migrate_to" timeout="100" />\n" " <action name="migrate_from" timeout="90" />\n" " <action name="meta-data" timeout="5" />\n" " <action name="validate-all" timeout="30" />\n" " </actions>\n" " </resource-agent>\n" "\n" " " #. Tag: title #, no-c-format msgid "Resource Operations" msgstr "Operazioni sulle risorse" #. Tag: para #, no-c-format msgid " ResourceAction Action " msgstr "" #. Tag: title #, no-c-format msgid "Monitoring Resources for Failure" msgstr "Monitoraggio di anomalie sulle risorse" #. Tag: para #, fuzzy, no-c-format msgid "By default, the cluster will not ensure your resources are still healthy. To instruct the cluster to do this, you need to add a monitor operation to the resource’s definition." msgstr "Come comportamento di default il cluster non accerterà che le risorse siano in salute. Per istruire il cluster a farlo è necessario aggiungere alla definizione della risorsa un'operazione di monitor." #. Tag: title #, no-c-format msgid "An OCF resource with a recurring health check" msgstr "Una risorsa OCF con un controllo dello stato di salute ciclico" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <operations>\n" " <op id="public-ip-check" name="monitor" interval="60s"/>\n" " </operations>\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "Properties of an Operation" msgstr "Proprietà di un'operazione" #. Tag: para #, no-c-format msgid "Your name for the action. Must be unique. idAction Property Action Property ActionPropertyid Propertyid id " msgstr "" #. Tag: para #, no-c-format msgid "name" msgstr "" #. Tag: para #, no-c-format msgid "The action to perform. Common values: monitor, start, stop nameAction Property Action Property ActionPropertyname Propertyname name " msgstr "" #. Tag: para #, no-c-format msgid "interval" msgstr "" #. Tag: para #, no-c-format msgid "How frequently (in seconds) to perform the operation. Default value: 0, meaning never. intervalAction Property Action Property ActionPropertyinterval Propertyinterval interval " msgstr "" #. Tag: para #, no-c-format msgid "timeout" msgstr "" #. Tag: para #, no-c-format msgid "How long to wait before declaring the action has failed. timeoutAction Property Action Property ActionPropertytimeout Propertytimeout timeout " msgstr "" #. Tag: para #, no-c-format msgid "on-fail" msgstr "" #. Tag: para #, no-c-format msgid "The action to take if this action ever fails. Allowed values:" msgstr "L'azione da intraprendere se l'azione principale dovesse fallire. Valori permessi:" #. Tag: para #, fuzzy, no-c-format msgid "* ignore - Pretend the resource did not fail" msgstr "ignore - Pretende che la risorsa non fallisca." #. Tag: para #, fuzzy, no-c-format msgid "* block - Don’t perform any further operations on the resource" msgstr "block - Non effettuar alcuna altra operazione sulla risorsa" #. Tag: para #, fuzzy, no-c-format msgid "* stop - Stop the resource and do not start it elsewhere" msgstr "stop - Ferma la risorsa che non verrà avviata da nessuna parte" #. Tag: para #, fuzzy, no-c-format msgid "* restart - Stop the resource and start it again (possibly on a different node)" msgstr "restart - Ferma la risorsa e la avvia di nuovo (possibilmente su di un altro nodo)" #. Tag: para #, fuzzy, no-c-format msgid "* fence - STONITH the node on which the resource failed" msgstr "fence - effettua lo STONITH sul nodo dove è fallita la risorsa" #. Tag: para #, fuzzy, no-c-format msgid "* standby - Move all resources away from the node on which the resource failed" msgstr "standby - Sposta tutte le risorse altrove dal nodo in cui queste sono fallite" #. Tag: para #, no-c-format msgid "The default for the stop operation is fence when STONITH is enabled and block otherwise. All other operations default to stop. on-failAction Property Action Property ActionPropertyon-fail Propertyon-fail on-fail " msgstr "" #. Tag: para #, no-c-format msgid "enabled" msgstr "" #. Tag: para #, no-c-format msgid "If false, the operation is treated as if it does not exist. Allowed values: true, false enabledAction Property Action Property ActionPropertyenabled Propertyenabled enabled " msgstr "" #. Tag: title #, no-c-format msgid "Setting Global Defaults for Operations" msgstr "Settaggio dei valori di default globali per le operazioni" #. Tag: para #, fuzzy, no-c-format msgid "To set a default value for a operation option, simply add it to the op_defaults section with crm_attribute. Thus," msgstr "Per assegnare il valore di default dell'opzione di una risorsa è sufficiente aggiungerla alla sezione rsc_defaults mediante crm_attribute. In questo modo," #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type op_defaults --attr-name timeout --attr-value 20s" msgstr "crm_attribute --type op_defaults --attr-name timeout --attr-value 20s" #. Tag: para #, fuzzy, no-c-format msgid "would default each operation’s timeout to 20 seconds. If an operation’s definition also includes a value for timeout, then that value would be used instead (for that operation only)." msgstr "imposterà 20 secondi come valore di default per ciascuna operazione. Se la definizione dell'operazione include anche un valore per il timeout, allora verrà utilizzato questo valore (solamente per questa operazione)." #. Tag: title #, no-c-format msgid "When Resources Take a Long Time to Start/Stop" msgstr "Quando una risorsa impiega molto tempo per Avviarsi/Fermarsi" #. Tag: para #, fuzzy, no-c-format msgid "There are a number of implicit operations that the cluster will always perform - start, stop and a non-recurring monitor operation (used at startup to check the resource isn’t already active). If one of these is taking too long, then you can create an entry for them and simply specify a new value." msgstr "Esistono diverse operazioni implicite che il cluster effettuerà sempre - start, stop e monitoraggi non ricorrenti (utilizzati in fase di avvio per verificare che la risorsa non sia già attiva). Se una di queste impiega troppo tempo, sarà possibile creare una entry relativa e specificare semplicemente un nuovo valore." #. Tag: title #, no-c-format msgid "An OCF resource with custom timeouts for its implicit actions" msgstr "Una risorsa OCF on timeout personalizzato per le proprie azioni implicite" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-startup\" name=\"monitor\" interval=\"0\" timeout=\"90s\"/>\n" " <op id=\"public-ip-start\" name=\"start\" interval=\"0\" timeout=\"180s\"/>\n" " <op id=\"public-ip-stop\" name=\"stop\" interval=\"0\" timeout=\"15min\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <operations>\n" " <op id="public-ip-startup" name="monitor" interval="0" timeout="90s"/>\n" " <op id="public-ip-start" name="start" interval="0" timeout="180s"/>\n" " <op id="public-ip-stop" name="stop" interval="0" timeout="15min"/>\n" " </operations>\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "Multiple Monitor Operations" msgstr "Operazioni di monitoraggio multiple" #. Tag: para #, no-c-format msgid "Provided no two operations (for a single resource) have the same name and interval you can have as many monitor operations as you like. In this way you can do a superficial health check every minute and progressively more intense ones at higher intervals." msgstr "Purché non ci sono due operazioni (per una singola risorsa) con lo stesso nome ed intervallo è possibile avere un umero arbitrario di operazioni di monitoraggio . In questo modo si può fare un controllo superficiale ogni minuto, che si intensificherà con intervalli più alti." #. Tag: para #, fuzzy, no-c-format msgid "To tell the resource agent what kind of check to perform, you need to provide each monitor with a different value for a common parameter. The OCF standard creates a special parameter called OCF_CHECK_LEVEL for this purpose and dictates that it is \"made available to the resource agent without the normal OCF_RESKEY prefix\"." msgstr "Per comunicare al resource agent che tipo di controllo effettuare è necessario fornire ogni monitor con un valore di parametro comune differente. Lo standard OCF, per questo scopo, crea un parametro speciale denominato OCF_CHECK_LEVEL ed impone che questo sia reso disponibile al resource agent senza il normale prefisso OCF_RESKEY_." #. Tag: para #, fuzzy, no-c-format msgid "Whatever name you choose, you can specify it by adding an instance_attributes block to the op tag. Note that it is up to each resource agent to look for the parameter and decide how to use it." msgstr "Qualsiasi nome venga scelto sarà possibile specificarlo aggiungendo un blocco instance_attributes al tag op. Va sottolineato come è compito di ciascun resource agent controllae il parametro e decidere come utilizzarlo." #. Tag: title #, fuzzy, no-c-format msgid "An OCF resource with two recurring health checks, performing different levels of checks - specified via OCF_CHECK_LEVEL." msgstr "Una risorsa OCF con due controlli di sanità ricorrenti che effettuano differenti livelli di controllo" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-health-60\" name=\"monitor\" interval=\"60\">\n" " <instance_attributes id=\"params-public-ip-depth-60\">\n" " <nvpair id=\"public-ip-depth-60\" name=\"OCF_CHECK_LEVEL\" value=\"10\"/>\n" " </instance_attributes>\n" " </op>\n" " <op id=\"public-ip-health-300\" name=\"monitor\" interval=\"300\">\n" " <instance_attributes id=\"params-public-ip-depth-300\">\n" " <nvpair id=\"public-ip-depth-300\" name=\"OCF_CHECK_LEVEL\" value=\"20\"/>\n" " </instance_attributes>\n" " </op>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-level\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <operations>\n" " <op id="public-ip-health-60" name="monitor" interval="60">\n" " <instance_attributes id="params-public-ip-depth-60">\n" " <nvpair id="public-ip-depth-60" name="OCF_CHECK_LEVEL" value="10"/>\n" " </instance_attributes>\n" " </op>\n" " <op id="public-ip-health-300" name="monitor" interval="300">\n" " <instance_attributes id="params-public-ip-depth-300">\n" " <nvpair id="public-ip-depth-300" name="OCF_CHECK_LEVEL" value="20"/>\n" " </instance_attributes>\n" " </op>\n" " </operations>\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-level" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "Disabling a Monitor Operation" msgstr "Disabilitare un'operazione di monitoring" #. Tag: para #, fuzzy, no-c-format msgid "The easiest way to stop a recurring monitor is to just delete it. However, there can be times when you only want to disable it temporarily. In such cases, simply add enabled=\"false\" to the operation’s definition." msgstr "La via più semplice per fermare un monitor ricorrente è semplicemente quella di cancellarlo. Ad ogni modo ci saranno occasioni in cui l'esigenza sia semplicemente quella di disabilitare il controllo temporaneamente. In questi casi, sarà sufficiente aggiungere disabled="true" akka definizione dell'operazione." #. Tag: title #, no-c-format msgid "Example of an OCF resource with a disabled health check" msgstr "Esempio di una risorsa OCF con controllo di sanità disabilitato" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\" enabled=\"false\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" " <operations>\n" " <op id="public-ip-check" name="monitor" interval="60s"/>\n" " </operations>\n" " <instance_attributes id="params-public-ip">\n" " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t " #. Tag: para #, no-c-format msgid "This can be achieved from the command-line by executing" msgstr "L'operazione è effettuabile da linea di comando, eseguendo" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin -M -X '<op id=\"public-ip-check\" enabled=\"false\"/>'" msgstr "cibadmin -M -X ‘<op id="public-ip-check" disabled="false"/>'" #. Tag: para #, fuzzy, no-c-format msgid "Once you’ve done whatever you needed to do, you can then re-enable it with" msgstr "Una volta ottenuto il proprio scopo, sarà possibile riabilitare nuovamente il controllo con" #~ msgid "LSB resource agents are those found in /etc/init.d. Generally they are provided by the OS/distribution and in order to be used with the cluster, must conform to the LSB Spec." #~ msgstr "I resource agents LSB si trovano in /etc/init.d. Generalmente sono forniti dalla distribuzione e per essere utilizzati con il cluster devono essere conformi alle specifiche LSB." #~ msgid "The LSB Spec (as it relates to init scripts) can be found at: " #~ msgstr "Le specifiche LSB (per come si riferiscono agli script di init) si trovano qui: " #~ msgid "Legacy Heartbeat" #~ msgstr "Legacy Heartbeat" #~ msgid "For more information, see: " #~ msgstr "Per ulteriori informazioni vedere: " #~ msgid "Properties" #~ msgstr "Proprietà" #~ msgid "id" #~ msgstr "id" #~ msgid "Your name for the resource" #~ msgstr "Il nome della risorsa" #~ msgid "class" #~ msgstr "class" #~ msgid "The standard the script conforms to. Allowed values: heartbeat, lsb, ocf, stonith" #~ msgstr "Lo standard a cui lo script è conforme. Valori permessi: heartbeat, lsb, ocf, stonith" #~ msgid "type" #~ msgstr "type" #~ msgid "The name of the Resource Agent you wish to use. eg. IPaddr or Filesystem" #~ msgstr "Il nome del Resource Agent che si vuole utilizzare. Ad esempio IPaddr o Filesystem" #~ msgid "provider" #~ msgstr "provider" #~ msgid "The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify heartbeat here." #~ msgstr "La specifica OCF consente fornitori multipli per lo stesso Resource Agent. Per utilizzare i resource agent OCF forniti da Heartbeat, andrebbe specificato qui \"heartbeat\"." #~ msgid "" #~ "\n" #~ " <primitive id="Email" class="lsb" type="exim"/>\n" #~ "\t" #~ msgstr "" #~ "\n" #~ " <primitive id="Email" class="lsb" type="exim"/>\n" #~ "\t" #~ msgid "or, for an OCF resource:" #~ msgstr "o, per una risorsa OCF:" #~ msgid "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" #~ " <instance_attributes id="params-public-ip">\n" #~ " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" #~ " <instance_attributes id="params-public-ip">\n" #~ " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t" #~ msgid "or, finally for the equivalent legacy Heartbeat resource:" #~ msgstr "o, infine per la risora legacy Heartbeat equivalente:" #~ msgid "An example Heartbeat resource" #~ msgstr "Una risorsa Heartbeat di esempio" #~ msgid "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP-legacy" class="heartbeat" type="IPaddr">\n" #~ " <instance_attributes id="params-public-ip-legacy">\n" #~ " <nvpair id="public-ip-addr-legacy" name="1" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t" #~ msgstr "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP-legacy" class="heartbeat" type="IPaddr">\n" #~ " <instance_attributes id="params-public-ip-legacy">\n" #~ " <nvpair id="public-ip-addr-legacy" name="1" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t" #~ msgid "Heartbeat resources take only ordered and unnamed parameters. The supplied name therefor indicates the order in which they are passed to the script. Only single digit values are allowed." #~ msgstr "Le risorse heartbeat supportano solo parametri non ordinati e senza nome. Il nome fornito indica quindi l'ordine in cui essi vengono passati allo script. Sono permessi solo valori a singola cifra." #~ msgid "priority" #~ msgstr "priority" #~ msgid "0" #~ msgstr "0" #~ msgid "If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active." #~ msgstr "Se non possono essere attive tutte le risorse, il cluster fermerà le risorse con la minore priorità in modo da mantenere attive quelle ad alta prorità." #~ msgid "target-role" #~ msgstr "target-role" #~ msgid "Started" #~ msgstr "Started" #~ msgid "Master - Allow the resource to be started and, if appropriate, promoted" #~ msgstr "Master - Consenti alla risorsa di essere avviata e, se è il caso, promossa a master" #~ msgid "is-managed" #~ msgstr "is-managed" #~ msgid "TRUE" #~ msgstr "TRUE" #~ msgid "Is the cluster allowed to start and stop the resource? Allowed values: true, false" #~ msgstr "Il cluster può avviare e stoppare la risorsa? Valori permessi: true, false" #~ msgid "Inherited" #~ msgstr "Inherited" #~ msgid "How much does the resource prefer to stay where it is? Defaults to the value of resource-stickiness in the rsc_defaults section" #~ msgstr "Quanto la risorsa deve preferire rimanere dov'è? Il valore di default corrisponde al valore resource-stickiness nella sezione rsc_defaults" #~ msgid "How many failures should occur for this resource on a node before making the node ineligible to host this resource." #~ msgstr "Quanti fallimenti si devono verificare su un nodo per questa risorsa prima di rendere il nodo ineleggibile all'erogazione di questa risorsa." #~ msgid "0 (disabled)" #~ msgstr "0 (disabilitata)" #~ msgid "How many seconds to wait before acting as if the failure had not occurred (and potentially allowing the resource back to the node on which it failed." #~ msgstr "Quanti secondo aspettare prima di agire come se il fallimento non si fosse verificato (abilitando potenzialmente la risorsa sul nodo in cui è fallita)." #~ msgid "Your name for the action. Must be unique." #~ msgstr "Nome assegnato all'azione. Deve essere univoco." #~ msgid "name" #~ msgstr "name" #~ msgid "The action to perform. Common values: monitor, start, stop" #~ msgstr "L'azione da eseguire. Valori possibili: monitor, start, stop" #~ msgid "interval" #~ msgstr "interval" #~ msgid "How frequently (in seconds) to perform the operation. Default value: 0" #~ msgstr "Quanto frequentemente (in secondi) effettuare l'operazione. Valore di default: 0" #~ msgid "timeout" #~ msgstr "timeout" #~ msgid "How long to wait before declaring the action has failed." #~ msgstr "Quanto aspettare prima di dichiarare che un'azione è fallita." #~ msgid "requires" #~ msgstr "requires" #~ msgid "What conditions need to be satisfied before this action occurs. Allowed values:" #~ msgstr "Quali condizioni devono essere soddisfatte prima che l'azione avvenga. Valori permessi:" #~ msgid "nothing - The cluster may start this resource at any time" #~ msgstr "nothing - Il cluster può avviare la risorsa quando vuole" #~ msgid "STONITH resources default to nothing, and all others default to fencing if STONITH is enabled and quorum otherwise." #~ msgstr "Le risorse STONITH per default non fanno nulla mentre tutte le altre, per default, utilizzano \"fencing\" se STONITH è abilitato nel cluster e \"quorum\" in tutti gli altri casi." #~ msgid "on-fail" #~ msgstr "on-fail" #~ msgid "The default for the stop operation is fence when STONITH is enabled and block otherwise. All other operations default to stop." #~ msgstr "Il valore di default per l'operazione di stop è \"fence\" quando STONITH è abilitato e \"block\" negli altri casi. Tutte le altre operazioni per default utilizzano \"stop\"." #~ msgid "enabled" #~ msgstr "enabled" #~ msgid "If false, the operation is treated as if it does not exist. Allowed values: true, false" #~ msgstr "Se impostato a \"false\" l'operazione viene trattata come se non esiste. Valori permessi: true, false" #~ msgid "To set a default value for a operation option, simply add it to the op_defaults section with crm_attribute. Thus," #~ msgstr "Per impostare il valore di default dell'opzione di un'operazione è sufficiente aggiungerlo alla sezione op_defaults section mediante crm_attribute. Quindi." #~ msgid "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" #~ " <operations>\n" #~ " <op id="public-ip-check" name="monitor" interval="60s" disabled="true"/>\n" #~ " </operations>\n" #~ " <instance_attributes id="params-public-ip">\n" #~ " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t " #~ msgstr "" #~ "\n" #~ "\n" #~ " <primitive id="Public-IP" class="ocf" type="IPaddr" provider="heartbeat">\n" #~ " <operations>\n" #~ " <op id="public-ip-check" name="monitor" interval="60s" disabled="true"/>\n" #~ " </operations>\n" #~ " <instance_attributes id="params-public-ip">\n" #~ " <nvpair id="public-ip-addr" name="ip" value="1.2.3.4"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t " #~ msgid "cibadmin -M -X ‘<op id="public-ip-check" disabled="true"/>'" #~ msgstr "cibadmin -M -X ‘<op id="public-ip-check" disabled="true"/>'" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Rules.po000066400000000000000000001563321217637305600236610ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-30 17:16+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Rules" msgstr "Regole" #. Tag: para #, no-c-format msgid " ResourceConstraintRule ConstraintRule Rule " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Rules can be used to make your configuration more dynamic. One common example is to set one value for resource-stickiness during working hours, to prevent resources from being moved back to their most preferred location, and another on weekends when no-one is around to notice an outage." msgstr "Le regole possono essere utilizzate per rendere la propria configurazione più dinamica. Un esempio comune sta nell'impostare un valore di resource-stickiness durante le ore lavorative, per prevenire che le risorse vengano spostate alla loro posizione preferita, ed un altro nei weekend, quando l'impatto dell'operazione di spostamento non verrà notato." #. Tag: para #, no-c-format msgid "Another use of rules might be to assign machines to different processing groups (using a node attribute) based on time and to then use that attribute when creating location constraints." msgstr "Un'altra regola impostabile potrebbe essere quella di assegnare le macchine a differenti gruppi di processo (utilizzando gli attributi del nodo) basati sulle tempistiche ed utilizzare quindi questi attributi nella creazione delle constraint di tipo location." #. Tag: para #, fuzzy, no-c-format msgid "Each rule can contain a number of expressions, date-expressions and even other rules. The results of the expressions are combined based on the rule’s boolean-op field to determine if the rule ultimately evaluates to true or false. What happens next depends on the context in which the rule is being used." msgstr "Ogni regola può contenere diverse espressioni, espressioni di tipo data ed altre regole. L'esito delle espressione è combinato in base al valore del campo boolean-op per determinare se la regola infine risulta vera o falsa. Quello che accade successivamente dipende dal contesto in cui la regola viene utilizzata." #. Tag: title #, no-c-format msgid "Properties of a Rule" msgstr "Proprietà di una regola" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "role" msgstr "" #. Tag: para #, no-c-format msgid "Limits the rule to apply only when the resource is in that role. Allowed values: Started, Slave, and Master. NOTE: A rule with role=\"Master\" can not determine the initial location of a clone instance. It will only affect which of the active instances will be promoted. roleConstraint Rule Constraint Rule ConstraintRulerole Rulerole role " msgstr "" #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, no-c-format msgid "The score to apply if the rule evaluates to true. Limited to use in rules that are part of location constraints. scoreConstraint Rule Constraint Rule ConstraintRulescore Rulescore score " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "score-attribute" msgstr "Utilizzo di score-attribute invece di score" #. Tag: para #, no-c-format msgid "The node attribute to look up and use as a score if the rule evaluates to true. Limited to use in rules that are part of location constraints. score-attributeConstraint Rule Constraint Rule ConstraintRulescore-attribute Rulescore-attribute score-attribute " msgstr "" #. Tag: para #, no-c-format msgid "boolean-op" msgstr "" #. Tag: para #, no-c-format msgid "How to combine the result of multiple expression objects. Allowed values: and and or. boolean-opConstraint Rule Constraint Rule ConstraintRuleboolean-op Ruleboolean-op boolean-op " msgstr "" #. Tag: title #, no-c-format msgid "Node Attribute Expressions" msgstr "Espressioni relative agli attributi del nodo" #. Tag: para #, no-c-format msgid " ResourceConstraintAttribute Expression ConstraintAttribute Expression Attribute Expression " msgstr "" #. Tag: para #, no-c-format msgid "Expression objects are used to control a resource based on the attributes defined by a node or nodes. In addition to any attributes added by the administrator, each node has a built-in node attribute called #uname that can also be used." msgstr "Gli oggetti espressione sono utilizzati per controllare una risorsa basata sugli attributi definiti da uno o più nodi. In aggiunta a qualsiasi attributo aggiunto dall'amministratore, ogni nodo possiede un attributo predefinito che può essere utilizzato chiamato #uname." #. Tag: title #, no-c-format msgid "Properties of an Expression" msgstr "Proprietà di un'espressione" #. Tag: para #, no-c-format msgid "value" msgstr "" #. Tag: para #, no-c-format msgid "User supplied value for comparison valueConstraint Expression Constraint Expression ConstraintAttribute Expressionvalue Attribute Expressionvalue value " msgstr "" #. Tag: para #, no-c-format msgid "attribute" msgstr "" #. Tag: para #, no-c-format msgid "The node attribute to test attributeConstraint Expression Constraint Expression ConstraintAttribute Expressionattribute Attribute Expressionattribute attribute " msgstr "" #. Tag: para #, no-c-format msgid "type" msgstr "" #. Tag: para #, no-c-format msgid "Determines how the value(s) should be tested. Allowed values: string, integer, version typeConstraint Expression Constraint Expression ConstraintAttribute Expressiontype Attribute Expressiontype type " msgstr "" #. Tag: para #, no-c-format msgid "operation" msgstr "" #. Tag: para #, no-c-format msgid "The comparison to perform. Allowed values:" msgstr "Il confronto da effettuare. Valori permessi:" #. Tag: para #, fuzzy, no-c-format msgid "* lt - True if the node attribute’s value is less than value" msgstr "lt - Vera se l'attributo del nodo è minore del valore" #. Tag: para #, fuzzy, no-c-format msgid "* gt - True if the node attribute’s value is greater than value" msgstr "gt - Vera se l'attributo del nodo è maggiore del valore" #. Tag: para #, fuzzy, no-c-format msgid "* lte - True if the node attribute’s value is less than or equal to value" msgstr "lte - Vera se l'attributo del nodo è minore o uguale al valore" #. Tag: para #, fuzzy, no-c-format msgid "* gte - True if the node attribute’s value is greater than or equal to value" msgstr "gte - Vera se l'attributo del nodo è maggiore o ugulae del valore" #. Tag: para #, fuzzy, no-c-format msgid "* eq - True if the node attribute’s value is equal to value" msgstr "eq - Vera se l'attributo del nodo è uguale al valore" #. Tag: para #, fuzzy, no-c-format msgid "* ne - True if the node attribute’s value is not equal to value" msgstr "ne - Vera se l'attributo del nodo non è uguale al valore" #. Tag: para #, fuzzy, no-c-format msgid "* defined - True if the node has the named attribute" msgstr "defined - Vera se il nodo possiede l'attributo indicato" #. Tag: para #, no-c-format msgid "* not_defined - True if the node does not have the named attribute operationConstraint Expression Constraint Expression ConstraintAttribute Expressionoperation Attribute Expressionoperation operation " msgstr "" #. Tag: title #, no-c-format msgid "Time/Date Based Expressions" msgstr "Espressioni basate su Ora/Data" #. Tag: para #, no-c-format msgid " Time Based Expressions ResourceConstraintDate/Time Expression ConstraintDate/Time Expression Date/Time Expression " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "As the name suggests, date_expressions are used to control a resource or cluster option based on the current date/time. They can contain an optional date_spec and/or duration object depending on the context." msgstr "Come suggerisce il nome, le date_expressions sono utilizzate per contollare una risorsa o un'opzione del cluster in base alla data/ora attuale." #. Tag: title #, no-c-format msgid "Properties of a Date Expression" msgstr "Proprietà di un'espressione basata sulla data" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. startConstraint Expression Constraint Expression ConstraintDate/Time Expressionstart Date/Time Expressionstart start " msgstr "" #. Tag: para #, no-c-format msgid "end" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for start and a duration. endConstraint Expression Constraint Expression ConstraintDate/Time Expressionend Date/Time Expressionend end " msgstr "" #. Tag: para #, no-c-format msgid "Compares the current date/time with the start and/or end date, depending on the context. Allowed values:" msgstr "Confronta la data/ora attuale con la data/ora indicata nei parametri start ed end, dipendentemente dal contesto. Valori permessi:" #. Tag: para #, fuzzy, no-c-format msgid "* gt - True if the current date/time is after start" msgstr "gt - Vera se la data/ora attuale è successiva al valore start" #. Tag: para #, fuzzy, no-c-format msgid "* lt - True if the current date/time is before end" msgstr "lt - Vera se la data/ora attuale è precedente al valore start" #. Tag: para #, fuzzy, no-c-format msgid "* in-range - True if the current date/time is after start and before end" msgstr "in-range - Vera se la data/ora attuale è successiva al valore start e precedente al valore end" #. Tag: para #, no-c-format msgid "* date-spec - performs a cron-like comparison to the current date/time operationConstraint Expression Constraint Expression ConstraintDate/Time Expressionoperation Date/Time Expressionoperation operation " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "As these comparisons (except for date_spec) include the time, the eq, neq, gte and lte operators have not been implemented since they would only be valid for a single second." msgstr "Dato che la comparazione (ad eccezione di date_spec) include l'ora, gli operatori eq, neq, gte e lte non sono stati implementati." #. Tag: title #, no-c-format msgid "Date Specifications" msgstr "Dichiarare date" #. Tag: para #, no-c-format msgid " Date Specification ResourceConstraintDate Specification ConstraintDate Specification Date Specification " msgstr "" #. Tag: para #, no-c-format msgid "date_spec objects are used to create cron-like expressions relating to time. Each field can contain a single number or a single range. Instead of defaulting to zero, any field not supplied is ignored." msgstr "gli oggetti di tipo date_spec sono utilizzati per creare espressioni simili a quelle cron. Ogi campo contiene un singolo numero ed un singolo range Anziché impostare per default zero, ogni campo non difinito viene ignorato." #. Tag: para #, fuzzy, no-c-format msgid "For example, monthdays=\"1\" matches the first day of every month and hours=\"09-17\" matches the hours between 9am and 5pm (inclusive). However, at this time one cannot specify weekdays=\"1,2\" or weekdays=\"1-2,5-6\" since they contain multiple ranges. Depending on demand, this may be implemented in a future release." msgstr "Ad esempio, monthdays="1" identificherà il primo giorno di ogni mese e hours="09-17" identificherà le ore tra le 9:00 e le 17:00 incluse. Per via del fatto che sono specificati range multipli è impossibile specificare weekdays="1,2" o weekdays="1-2,5-6". A seconda della richiesta, questa funzionalità potrebbe essere implementata in futuro." #. Tag: title #, no-c-format msgid "Properties of a Date Spec" msgstr "Prorpietà di una specifica data" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the date idDate Specification Date Specification ConstraintDate Specificationid Date Specificationid id " msgstr "" #. Tag: para #, no-c-format msgid "hours" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-23 hoursDate Specification Date Specification ConstraintDate Specificationhours Date Specificationhours hours " msgstr "" #. Tag: para #, no-c-format msgid "monthdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-31 (depending on month and year) monthdaysDate Specification Date Specification ConstraintDate Specificationmonthdays Date Specificationmonthdays monthdays " msgstr "" #. Tag: para #, no-c-format msgid "weekdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-7 (1=Monday, 7=Sunday) weekdaysDate Specification Date Specification ConstraintDate Specificationweekdays Date Specificationweekdays weekdays " msgstr "" #. Tag: para #, no-c-format msgid "yeardays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-366 (depending on the year) yeardaysDate Specification Date Specification ConstraintDate Specificationyeardays Date Specificationyeardays yeardays " msgstr "" #. Tag: para #, no-c-format msgid "months" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-12 monthsDate Specification Date Specification ConstraintDate Specificationmonths Date Specificationmonths months " msgstr "" #. Tag: para #, no-c-format msgid "weeks" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-53 (depending on weekyear) weeksDate Specification Date Specification ConstraintDate Specificationweeks Date Specificationweeks weeks " msgstr "" #. Tag: para #, no-c-format msgid "years" msgstr "" #. Tag: para #, no-c-format msgid "Year according the Gregorian calendar yearsDate Specification Date Specification ConstraintDate Specificationyears Date Specificationyears years " msgstr "" #. Tag: para #, no-c-format msgid "weekyears" msgstr "" #. Tag: para #, no-c-format msgid "May differ from Gregorian years; Eg. 2005-001 Ordinal is also 2005-01-01 Gregorian is also 2004-W53-6 Weekly weekyearsDate Specification Date Specification ConstraintDate Specificationweekyears Date Specificationweekyears weekyears " msgstr "" #. Tag: para #, no-c-format msgid "moon" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added. moonDate Specification Date Specification ConstraintDate Specificationmoon Date Specificationmoon moon " msgstr "" #. Tag: title #, no-c-format msgid "Durations" msgstr "Durate" #. Tag: para #, no-c-format msgid " Duration ResourceConstraintDuration ConstraintDuration Duration " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Durations are used to calculate a value for end when one is not supplied to in_range operations. They contain the same fields as date_spec objects but without the limitations (ie. you can have a duration of 19 months). Like date_specs, any field not supplied is ignored." msgstr "Le durate vengono utilizzate per calcolare un valore finale nelle operazioni in_range quando non viene fornito. Essi contengono gli stessi campi degli oggetti date_spec ma senza le limitazioni (ad esempio è possibile avere durate da 19 giorni). Come per date_specs qualsiasi campo non fornito viene ignorato." #. Tag: title #, no-c-format msgid "Sample Time Based Expressions" msgstr "Espressioni temporali di esempio" #. Tag: para #, no-c-format msgid "A small sample of how time based expressions can be used." msgstr "" #. Tag: title #, no-c-format msgid "True if now is any time in the year 2005" msgstr "Vero se \"now\" è un qualsiasi momento nell'anno 2005" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule1\">\n" " <date_expression id=\"date_expr1\" start=\"2005-001\" operation=\"in_range\">\n" " <duration years=\"1\"/>\n" " </date_expression>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="rule1">\n" " <date_expression id="date_expr1" start="2005-001" operation="in_range">\n" " <duration years="1"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: title #, fuzzy, no-c-format msgid "Equivalent expression" msgstr "Espressione equivalente." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule2\">\n" " <date_expression id=\"date_expr2\" operation=\"date_spec\">\n" " <date_spec years=\"2005\"/>\n" " </date_expression>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="rule2">\n" " <date_expression id="date_expr2" operation="date_spec">\n" " <date_spec years="2005"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "9am-5pm, Mon-Friday" msgstr "9:00-17:00, lunedì-venerdì" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule3\">\n" " <date_expression id=\"date_expr3\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="rule3">\n" " <date_expression id="date_expr3" operation="date_spec">\n" " <date_spec hours="9-16" days="1-5"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: para #, no-c-format msgid "Please note that the 16 matches up to 16:59:59, as the numeric value (hour) still matches!" msgstr "" #. Tag: title #, no-c-format msgid "9am-6pm, Mon-Friday, or all day saturday" msgstr "9:00-18:00, lunedì-venerdì, o qualsiasi ora di sabato" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule4\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr4-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr4-2\" operation=\"date_spec\">\n" " <date_spec days=\"6\"/>\n" " </date_expression>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="rule4" boolean_op="or">\n" " <date_expression id="date_expr4-1" operation="date_spec">\n" " <date_spec hours="9-16" days="1-5"/>\n" " </date_expression>\n" " <date_expression id="date_expr4-2" operation="date_spec">\n" " <date_spec days="6"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "9am-5pm or 9pm-12pm, Mon-Friday" msgstr "9:00-17:00 o 21:00-24:00, lunedì-venerdì" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule5\" boolean_op=\"and\">\n" " <rule id=\"rule5-nested1\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr5-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr5-2\" operation=\"date_spec\">\n" " <date_spec hours=\"21-23\"/>\n" " </date_expression>\n" " </rule>\n" " <date_expression id=\"date_expr5-3\" operation=\"date_spec\">\n" " <date_spec days=\"1-5\"/>\n" " </date_expression>\n" " </rule>" msgstr "" "\n" "\n" " <rule id="rule5" boolean_op="and">\n" " <rule id="rule5-nested1" boolean_op="or">\n" " <date_expression id="date_expr5-1" operation="date_spec">\n" " <date_spec hours="9-16"/>\n" " </date_expression>\n" " <date_expression id="date_expr5-2" operation="date_spec">\n" " <date_spec hours="21-23"/>\n" " </date_expression>\n" " </rule>\n" " <date_expression id="date_expr5-3" operation="date_spec">\n" " <date_spec days="1-5"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "Mondays in March 2005" msgstr "Tutti i lunedì del mese di marzo 2005" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule6\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr6-1\" operation=\"date_spec\">\n" " <date_spec weekdays=\"1\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr6-2\" operation=\"in_range\"\n" " start=\"2005-03-01\" end=\"2005-04-01\"/>\n" " </rule>" msgstr "" "\n" "\n" " <rule id="rule6" boolean_op="and">\n" " <date_expression id="date_expr6-1" operation="date_spec">\n" " <date_spec weekdays="1"/>\n" " </date_expression>\n" " <date_expression id="date_expr6-2" operation="in_range" start="2005-03-01" end="2005-04-01"/>\n" " </rule>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "Because no time is specified, 00:00:00 is implied." msgstr "NOTA: visto che non è stato specificato un orario, 00:00:00 è implicito." #. Tag: para #, fuzzy, no-c-format msgid "This means that the range includes all of 2005-03-01 but none of 2005-04-01. You may wish to write end=\"2005-03-31T23:59:59\" to avoid confusion." msgstr "Questo significa che il range include tutto il 03/01/2005 ma nulla del 04/01/2005" #. Tag: title #, no-c-format msgid "A full moon on Friday the 13th" msgstr "In luna piena di venerdì 13" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule7\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr7\" operation=\"date_spec\">\n" " <date_spec weekdays=\"5\" monthdays=\"13\" moon=\"4\"/>\n" " </date_expression>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="rule7" boolean_op="and">\n" " <date_expression id="date_expr7" operation="date_spec">\n" " <date_spec weekdays="5" monthdays="13" moon="4"/>\n" " </date_expression>\n" " </rule>\n" "\n" "\t " #. Tag: title #, no-c-format msgid "Using Rules to Determine Resource Location" msgstr "Utilizzare regole per determinare il posizionamento delle risorse" #. Tag: para #, no-c-format msgid " RuleDetermine Resource Location Determine Resource Location ResourceLocationDetermine by Rules LocationDetermine by Rules Determine by Rules " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "If the constraint’s outer-most rule evaluates to false, the cluster treats the constraint as if it was not there. When the rule evaluates to true, the node’s preference for running the resource is updated with the score associated with the rule." msgstr "Se il valore della regola constraint è falso il cluster tratta la constraint come non ci fosse.Quando la regola viene valorizzata a vero la preferenza per l'erogazione della risorsa da parte del nodo viene aggiornata con il valore associato alla regola." #. Tag: para #, no-c-format msgid "If this sounds familiar, its because you have been using a simplified syntax for location constraint rules already. Consider the following location constraint:" msgstr "Se questo suona familiare è perché sono state già utilizzate sintassi semplificate per le constraint di tipo location. Considerata la seguente location constraint:" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03" msgstr "Impedisci a myApacheRsc di essere eseguita su c001n03" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\"\n" " score=\"-INFINITY\" node=\"c001n03\"/>" msgstr "" "\n" " <rsc_location id="dont-run-apache-on-c001n03" rsc="myApacheRsc" score="-INFINITY" node="c001n03"/>\n" "\t" #. Tag: para #, no-c-format msgid "This constraint can be more verbosely written as:" msgstr "Questa constraint potrebbe essere scritta più verbosamente come:" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03 - expanded version" msgstr "Impedisci a myApacheRsc di essere eseguita su c001n03 - versione estesa" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\">\n" " <rule id=\"dont-run-apache-rule\" score=\"-INFINITY\">\n" " <expression id=\"dont-run-apache-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"c00n03\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" "\n" "\n" " <rsc_location id="dont-run-apache-on-c001n03" rsc="myApacheRsc">\n" " <rule id="dont-run-apache-rule" score="-INFINITY">\n" " <expression id="dont-run-apache-expr" attribute="#uname" operation="eq" value="c00n03"/>\n" " </rule>\n" " </rsc_location>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "The advantage of using the expanded form is that one can then add extra clauses to the rule, such as limiting the rule such that it only applies during certain times of the day or days of the week (this is discussed in subsequent sections)." msgstr "Il vantaggio di usare la versione estesa risiede nel fatto che è possibile aggiungere clausole extra nella regola, come limitarla affinché venga applicata solo in determinati orari del giorno o giorni sella settimana (il tema viene affrontato nelle sezioni sottostanti)." #. Tag: para #, fuzzy, no-c-format msgid "It also allows us to match on node properties other than its name. If we rated each machine’s CPU power such that the cluster had the following nodes section:" msgstr "Ciò permette di identificare proprietà del nodo diverse dal suo nome. Se per ogni macchina viene quantificata una potenza di CPU così che il cluster abbia la seguente sezione nodi:" #. Tag: title #, no-c-format msgid "A sample nodes section for use with score-attribute" msgstr "Una sezione nodi di esempio da utilizzare con score-attribute" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<nodes>\n" " <node id=\"uuid1\" uname=\"c001n01\" type=\"normal\">\n" " <instance_attributes id=\"uuid1-custom_attrs\">\n" " <nvpair id=\"uuid1-cpu_mips\" name=\"cpu_mips\" value=\"1234\"/>\n" " </instance_attributes>\n" " </node>\n" " <node id=\"uuid2\" uname=\"c001n02\" type=\"normal\">\n" " <instance_attributes id=\"uuid2-custom_attrs\">\n" " <nvpair id=\"uuid2-cpu_mips\" name=\"cpu_mips\" value=\"5678\"/>\n" " </instance_attributes>\n" " </node>\n" "</nodes>" msgstr "" "\n" "\n" " <nodes>\n" " <node id="uuid1" uname="c001n01" type="normal">\n" " <instance_attributes id="uuid1-custom_attrs">\n" " <nvpair id="uuid1-cpu_mips" name="cpu_mips" value="1234"/>\n" " </instance_attributes>\n" " </node>\n" " <node id="uuid2" uname="c001n02" type="normal">\n" " <instance_attributes id="uuid2-custom_attrs">\n" " <nvpair id="uuid2-cpu_mips" name="cpu_mips" value="5678"/>\n" " </instance_attributes>\n" " </node>\n" " </nodes>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "then we could prevent resources from running on underpowered machines with the rule" msgstr "allora è possibile prevenire le risorse dall'essere eseguite in macchine meno potenti, mediante la regola" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"need-more-power-rule\" score=\"-INFINITY\">\n" " <expression id=\" need-more-power-expr\" attribute=\"cpu_mips\"\n" " operation=\"lt\" value=\"3000\"/>\n" "</rule>" msgstr "" "\n" "\n" " <rule id="need-more-power-rule" score="-INFINITY">\n" " <expression id=" need-more-power-expr" attribute="cpu_mips" operation="lt" value="3000"/>\n" " </rule>\n" "\n" " " #. Tag: title #, no-c-format msgid "Using score-attribute Instead of score" msgstr "Utilizzo di score-attribute invece di score" #. Tag: para #, fuzzy, no-c-format msgid "When using score-attribute instead of score, each node matched by the rule has its score adjusted differently, according to its value for the named node attribute. Thus, in the previous example, if a rule used score-attribute=\"cpu_mips\", c001n01 would have its preference to run the resource increased by 1234 whereas c001n02 would have its preference increased by 5678." msgstr "Quando viene utilizzato score-attribute anziché score, per ogni nodo identificato dalla regola viene calcolato il punteggio in maniera differente, in base al valore dell'attributo definito nel nodo. Quindi nell'esempio precedente, nella regola score-attribute="cpu_mips", la possibilità di erogare la risorsa per il nodo c001n01 verrà incrementata di 1234 mentre per il nodo c001n02 verrà incrementata di 5678." #. Tag: title #, no-c-format msgid "Using Rules to Control Resource Options" msgstr "Utilizzare regole per controllare le opzioni delle risorse" #. Tag: para #, fuzzy, no-c-format msgid "Often some cluster nodes will be different from their peers; sometimes these differences (the location of a binary or the names of network interfaces) require resources to be configured differently depending on the machine they’re hosted on." msgstr "Può capitare che alcuni nodi del cluster siano differenti fra loro, tali differenze (la posizione di alcuni file o i nomi delle interfacce di rete) a volte impongono configurazioni differenti, dipendenti dalla macchina su cui risiedono." #. Tag: para #, no-c-format msgid "By defining multiple instance_attributes objects for the resource and adding a rule to each, we can easily handle these special cases." msgstr "E' possibile gestire facilmente questi casi speciali definendo oggetti instance_attributes multipli per le risorse ed aggiungendo una regola per ognuno." #. Tag: para #, fuzzy, no-c-format msgid "In the example below, mySpecialRsc will use eth1 and port 9999 when run on node1, eth2 and port 8888 on node2 and default to eth0 and port 9999 for all other nodes." msgstr "Nell'esempio sottostante mySpecialRsc utilizzerà eth1 e la porta 9999 per funzionare su node1, mentre eth2 e la porta 8888 su node2. Per tutti gli altri nodi i valori di default saranno eth0 con porta 9999." #. Tag: title #, no-c-format msgid "Defining different resource options based on the node name" msgstr "Definire opzioni per le risorse differenti in base al nome del nodo" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"special-node1\" score=\"3\">\n" " <rule id=\"node1-special-case\" score=\"INFINITY\" >\n" " <expression id=\"node1-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" " <nvpair id=\"node1-interface\" name=\"interface\" value=\"eth1\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"special-node2\" score=\"2\" >\n" " <rule id=\"node2-special-case\" score=\"INFINITY\">\n" " <expression id=\"node2-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node2\"/>\n" " </rule>\n" " <nvpair id=\"node2-interface\" name=\"interface\" value=\"eth2\"/>\n" " <nvpair id=\"node2-port\" name=\"port\" value=\"8888\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"defaults\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" "\n" "\n" " <primitive id="mySpecialRsc" class="ocf" type="Special" provider="me">\n" " <instance_attributes id="special-node1" score="3">\n" " <rule id="node1-special-case" score="INFINITY" >\n" " <expression id="node1-special-case-expr" attribute="#uname" operation="eq" value="node1"/>\n" " </rule>\n" " <nvpair id="node1-interface" name="interface" value="eth1"/>\n" " </instance_attributes>\n" " <instance_attributes id="special-node2" score="2" >\n" " <rule id="node2-special-case" score="INFINITY">\n" " <expression id="node2-special-case-expr" attribute="#uname" operation="eq" value="node2"/>\n" " </rule>\n" " <nvpair id="node2-interface" name="interface" value="eth2"/>\n" " <nvpair id="node2-port" name="port" value="8888"/>\n" " </instance_attributes>\n" " <instance_attributes id="defaults" score="1" >\n" " <nvpair id="default-interface" name="interface" value="eth0"/>\n" " <nvpair id="default-port" name="port" value="9999"/>\n" " </instance_attributes>\n" " </primitive>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "The order in which instance_attributes objects are evaluated is determined by their score (highest to lowest). If not supplied, score defaults to zero and objects with an equal score are processed in listed order. If the instance_attributes object does not have a rule or has a rule that evaluates to true, then for any parameter the resource does not yet have a value for, the resource will use the parameter values defined by the instance_attributes object." msgstr "L'ordine in cui gli oggetti instance_attributes sono valutati è determinato dal loro peso (dal più alto al più basso). Se non è fornito il punteggio di default è zero e gli oggetti con lo stesso punteggio vengono processati nell'ordine della lista. Se l'oggetto instance_attributes non ha una rule o ha una rule che risulta in true, allora la risorsa non avrà ancora un valore per qualsiasi parametro ed utilizzerà quindi il valore fornito dall'oggetto instance_attributes." #. Tag: title #, no-c-format msgid "Using Rules to Control Cluster Options" msgstr "Utilizzare le regole per controllare le opzioni del cluster" #. Tag: para #, no-c-format msgid " RuleControlling Cluster Options Controlling Cluster Options ClusterSetting Options with Rules Setting Options with Rules " msgstr "" #. Tag: para #, no-c-format msgid "Controlling cluster options is achieved in much the same manner as specifying different resource options on different nodes." msgstr "E' possibile controllare le opzioni del cluster mediante le stesse modalità utilizzate per specificare opzioni differenti per le risorse in nodi differenti." #. Tag: para #, fuzzy, no-c-format msgid "The difference is that because they are cluster options, one cannot (or should not, because they won’t work) use attribute based expressions. The following example illustrates how to set a different resource-stickiness value during and outside of work hours. This allows resources to automatically move back to their most preferred hosts, but at a time that (in theory) does not interfere with business activities." msgstr "La differenza è che queste sono opzioni del cluster e non è possibile (o non dovrebbe esserlo, visto che non funzionerebbe) utilizzare espressioni basate sugli attributi. L'esempio seguente illustra come settare un valore differente di resource-stickiness in un periodo di tempo lontano dalle ore lavorative. Ciò permette alle risorse di tornare sugli host preferiti in orari che (in teoria) non interferiscono con le attività produttive." #. Tag: title #, no-c-format msgid "Change resource-stickiness during working hours" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_defaults>\n" " <meta_attributes id=\"core-hours\" score=\"2\">\n" " <rule id=\"core-hour-rule\" score=\"0\">\n" " <date_expression id=\"nine-to-five-Mon-to-Fri\" operation=\"date_spec\">\n" " <date_spec id=\"nine-to-five-Mon-to-Fri-spec\" hours=\"9-16\" weekdays=\"1-5\"/>\n" " </date_expression>\n" " </rule>\n" " <nvpair id=\"core-stickiness\" name=\"resource-stickiness\" value=\"INFINITY\"/>\n" " </meta_attributes>\n" " <meta_attributes id=\"after-hours\" score=\"1\" >\n" " <nvpair id=\"after-stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" "</rsc_defaults>" msgstr "" "\n" "\n" " <rsc_defaults>\n" " <meta_attributes id="core-hours" score="2">\n" " <rule id="core-hour-rule" score="0">\n" " <date_expression id="nine-to-five-Mon-to-Fri" operation="date_spec">\n" " <date_spec id="nine-to-five-Mon-to-Fri-spec" hours="9-17" weekdays="1-5"/>\n" " </date_expression>\n" " </rule>\n" " <nvpair id="core-stickiness" name="resource-stickiness" value="INFINITY"/>\n" " </meta_attributes>\n" " <meta_attributes id="after-hours" score="1" >\n" " <nvpair id="after-stickiness" name="resource-stickiness" value="0"/>\n" " </meta_attributes>\n" " </rsc_defaults>\n" "\n" "\t" #. Tag: title #, no-c-format msgid "Ensuring Time Based Rules Take Effect" msgstr "Assicurarsi che le regole basate sugli orari abbiano effetto" #. Tag: para #, fuzzy, no-c-format msgid "A Pacemaker cluster is an event driven system. As such, it won’t recalculate the best place for resources to run in unless something (like a resource failure or configuration change) happens. This can mean that a location constraint that only allows resource X to run between 9am and 5pm is not enforced." msgstr "Un cluster Pacemaker è un sistema guidato dagli eventi. Per via di questo, non ricalcolerà il posto migliore per una risorsa a meno che non succeda qualcosa (come un problema o una variazione nella configurazione). Questo può significare che una location constraint che permetta il funzionamento tra le 9:00 e le 17:00 della risorsa X possa non essere forzata." #. Tag: para #, fuzzy, no-c-format msgid "If you rely on time based rules, it is essential that you set the cluster-recheck-interval option. This tells the cluster to periodically recalculate the ideal state of the cluster. For example, if you set cluster-recheck-interval=5m, then sometime between 9:00 and 9:05 the cluster would notice that it needs to start resource X, and between 17:00 and 17:05 it would realize that X needed to be stopped." msgstr "Se ci si basa sulle regole orarie, è essenziale impostare l'opzione cluster-recheck-interval. Questo comunica al cluster di ricalcolare periodicamente il suo stato. Ad esempio, se viene impostato cluster-recheck-interval=5m, allora in qualche momento tra le 9:00 e le 9:05 il cluster rileverà la necessità di avviare la risorsa X e tra le 17:00 e le 17:05 rileverà di doverla fermare." #. Tag: para #, fuzzy, no-c-format msgid "Note that the timing of the actual start and stop actions depends on what else needs to be performed first ." msgstr "E' da notare come le tempistiche delle azioni di start e stop dipendono da quanto altro necessita di essere eseguito prima." #~ msgid "role" #~ msgstr "role" #~ msgid "Limits the rule to only apply when the resource is in that role. Allowed values: Started, Slave, Master. NOTE: A rule with role="Master" can not determine the initial location of a clone instance. It will only affect which of the active instances will be promoted." #~ msgstr "Limita l'applicazione della regola a quando la risorsa è nel role indicato. Valori permessi: Started, Slave, Master. NOTA: una regola con role="Master" non può determinare la posizione iniziale di un'istanza clone. Essa agirà unicamente su quale delle istanze attive verrà promossa." #~ msgid "score" #~ msgstr "score" #~ msgid "The score to apply if the rule evaluates to "true". Limited to use in rules that are part of location constraints." #~ msgstr "Il punteggio da applicare se la regola risulta "true". L'utilizzo è limitato nelle regole che sono parte di constraint di tipo location." #~ msgid "score-attribute" #~ msgstr "score-attribute" #~ msgid "The node attribute to look up and use as a score if the rule evaluates to "true". Limited to use in rules that are part of location constraints." #~ msgstr "L'attributo del nodo da controllare ed utilizzare come punteggio de la regola risulta "true". L'utilizzo è limitato nelle regole che sono parte di constraint tipo location." #~ msgid "boolean-op" #~ msgstr "boolean-op" #~ msgid "How to combine the result of multiple expression objects. Allowed values: and, or" #~ msgstr "Come combinare il risultato di oggetti con espressioni multiple. Valori permessi: and, or" #~ msgid "value" #~ msgstr "value" #~ msgid "User supplied value for comparison" #~ msgstr "Valore fornito dall'utente per la comparazione" #~ msgid "attribute" #~ msgstr "attribute" #~ msgid "The node attribute to test" #~ msgstr "L'attributo del nodo da controllare" #~ msgid "type" #~ msgstr "type" #~ msgid "Determines how the value(s) should be tested. Allowed values: integer, string, version" #~ msgstr "Determina come i valori devono essere testati. Valori permessi: integer, string, version" #~ msgid "operation" #~ msgstr "operation" #~ msgid "not_defined- True if the node does not have the named attribute" #~ msgstr "not_defined - Vera se il nodo non possiede l'attributo indicato" #~ msgid "start" #~ msgstr "start" #~ msgid "A date/time conforming to the ISO8601 specification." #~ msgstr "Una data/ora conforme alle specifiche ISO8601." #~ msgid "end" #~ msgstr "end" #~ msgid "A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for start and a duration." #~ msgstr "Una data/ora conforme alle specifiche ISO8601. Può essere dedotta fornendo un valore per start e duration." #~ msgid "date-spec - performs a cron-like comparison between the contents of date_spec and now" #~ msgstr "date-spec - effettua una comparazione simile a cron tra il contenuto di date_spec e la data/ora attuale." #~ msgid "id" #~ msgstr "id" #~ msgid "A unique name for the date" #~ msgstr "Un nome univoco per la data" #~ msgid "hours" #~ msgstr "hours" #~ msgid "Allowed values: 0-23" #~ msgstr "Valori permessi 0-23" #~ msgid "monthdays" #~ msgstr "monthdays" #~ msgid "Allowed values: 0-31 (depending on current month and year)" #~ msgstr "Valori permessi: 0-31 (dipendentemente dall'attuale mese ed anno)" #~ msgid "weekdays" #~ msgstr "weekdays" #~ msgid "Allowed values: 1-7 (1=Monday, 7=Sunday)" #~ msgstr "Valori permessi: 1-7 (1=lunedì, 7=domenica)" #~ msgid "yeardays" #~ msgstr "yesterdays" #~ msgid "Allowed values: 1-366 (depending on the current year)" #~ msgstr "Valori permessi: 1-366 (dipendente dall'anno attuale)" #~ msgid "months" #~ msgstr "months" #~ msgid "Allowed values: 1-12" #~ msgstr "Valori permessi: 1-12" #~ msgid "weeks" #~ msgstr "weeks" #~ msgid "Allowed values: 1-53 (depending on weekyear)" #~ msgstr "Valori permessi: 1-53 (dipendentemente dalla settimana dell'anno)" #~ msgid "years" #~ msgstr "years" #~ msgid "Year according the Gregorian calendar" #~ msgstr "Anno relativo nel calendario gregoriano" #~ msgid "weekyears" #~ msgstr "weekyears" #~ msgid "May differ from Gregorian years." #~ msgstr "Potrebbe differire dal calendario gregoriano." #~ msgid "Eg. "2005-001 Ordinal" is also "2005-01-01 Gregorian" is also "2004-W53-6 Weekly"" #~ msgstr "Ad esempio "2005-001 Ordinal" è anche "2005-01-01 Gregorian" è anche "2004-W53-6 Weekly"" #~ msgid "moon" #~ msgstr "moon" #~ msgid "Allowed values: 0..7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added." #~ msgstr "Valori permessi: 0..7 (0 è luna nuova, 4 è luna piena). L'opzione è realmente utilizzabile. E' stata inclusa per dimostrare la facilità con cui è possibile aggiungere le nuove comparazioni." #~ msgid "You may wish to write end="2005-03-31T23:59:59" to avoid confusion." #~ msgstr "portrebbe essere necessario inserire end="2005-03-31T23:59:59" per non creare confusione." #~ msgid "Set resource-stickiness=INFINITY Mon-Fri between 9am and 6pm, and resource-stickiness=0 all other times" #~ msgstr "Imposta resource-stickiness=INFINITY dal lunedì al venerdì tra le 9:00 e le 18:00 e resource-stickiness=0 per tutti gli altri orari" pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Status.po000066400000000000000000001232751217637305600240520ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-05-07 13:13+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Status - Here be dragons" msgstr "Status - Here be dragons" #. Tag: para #, fuzzy, no-c-format msgid "Most users never need to understand the contents of the status section and can be happy with the output from crm_mon." msgstr "Molti utenti non hanno necessità di capire il contenuto della sezione status e possono ritenersi soddisfatti con l'output di crm_mon. Ad ogni modo, per quanti possiedono una vena curiosa, quanto segue rappresenta una panoramica sull'argomento." #. Tag: para #, no-c-format msgid "However for those with a curious inclination, this section attempts to provide an overview of its contents." msgstr "" #. Tag: title #, no-c-format msgid "Node Status" msgstr "Stato dei nodi" #. Tag: para #, no-c-format msgid " NodeStatus Status Status of a Node " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In addition to the cluster’s configuration, the CIB holds an up-to-date representation of each cluster node in the status section." msgstr "Inaggiunta alla configurazione del cluster, il CIB, all'interno della sezione status, contiene una rappresentazione aggiornata di ciascun nodo del cluster." #. Tag: title #, fuzzy, no-c-format msgid "A bare-bones status entry for a healthy node called cl-virt-1" msgstr "Una entry nuda e cruda dello stato del nodo chiamato cl-virt-1" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <node_state id=\"cl-virt-1\" uname=\"cl-virt-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_update_resource\">\n" " <transient_attributes id=\"cl-virt-1\"/>\n" " <lrm id=\"cl-virt-1\"/>\n" " </node_state>" msgstr "" "\n" "\n" " <node_state id="cl-virt-1" uname="cl-virt-2" ha="active" in_ccm="true" crmd="online" join="member" expected="member" crm-debug-origin="do_update_resource">\n" " <transient_attributes id="cl-virt-1"/>\n" " <lrm id="cl-virt-1"/>\n" " </node_state>\n" "\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "Users are highly recommended not to modify any part of a node’s state directly. The cluster will periodically regenerate the entire section from authoritative sources. So any changes should be done with the tools for those subsystems." msgstr "E' vivamente consigliato non modificare le parti dello stato di un nodo direttamente. Il cluster periodicamente rigenera l'intera sezione da sorgenti autoritative. Quindi qualsiasi cambiamento dovrà essere effettuato mediante i sotto sistemi disponibili." #. Tag: title #, no-c-format msgid "Authoritative Sources for State Information" msgstr "Sorgenti autoritative per le informazioni di stato" #. Tag: entry #, no-c-format msgid "Dataset" msgstr "Dataset" #. Tag: entry #, no-c-format msgid "Authoritative Source" msgstr "Sorgente autoritativa" #. Tag: para #, fuzzy, no-c-format msgid "node_state fields" msgstr "campi node_state" #. Tag: para #, no-c-format msgid "crmd" msgstr "crmd" #. Tag: para #, fuzzy, no-c-format msgid "transient_attributes tag" msgstr "tag transient_attributes" #. Tag: para #, no-c-format msgid "attrd" msgstr "attrd" #. Tag: para #, no-c-format msgid "lrm tag" msgstr "" #. Tag: para #, no-c-format msgid "lrmd" msgstr "lrmd" #. Tag: para #, fuzzy, no-c-format msgid "The fields used in the node_state objects are named as they are largely for historical reasons and are rooted in Pacemaker’s origins as the Heartbeat resource manager." msgstr "I campi usati negli oggetti node_state sono nominati in questo modo per ragioni storiche ed affondano le proprie radici nelle origini di Pacemaker come resource manager di Heartbeat. Sono rimasti immutati per retro compatibilità." #. Tag: para #, no-c-format msgid "They have remained unchanged to preserve compatibility with older versions." msgstr "" #. Tag: title #, no-c-format msgid "Node Status Fields" msgstr "Campi relativi allo status dei nodi" #. Tag: entry #, no-c-format msgid "Field" msgstr "Campo" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descrizione" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid " idNode Status Node Status NodeStatusid Statusid id Unique identifier for the node. Corosync based clusters use the uname of the machine, Heartbeat clusters use a human-readable (but annoying) UUID." msgstr "" #. Tag: para #, no-c-format msgid "uname" msgstr "" #. Tag: para #, no-c-format msgid " unameNode Status Node Status NodeStatusuname Statusuname uname The node’s machine name (output from uname -n)." msgstr "" #. Tag: para #, no-c-format msgid "ha" msgstr "" #. Tag: para #, no-c-format msgid " haNode Status Node Status NodeStatusha Statusha ha Flag specifying whether the cluster software is active on the node. Allowed values: active, dead." msgstr "" #. Tag: para #, no-c-format msgid "in_ccm" msgstr "" #. Tag: para #, no-c-format msgid " in_ccmNode Status Node Status NodeStatusin_ccm Statusin_ccm in_ccm Flag for cluster membership; allowed values: true, false." msgstr "" #. Tag: para #, no-c-format msgid "crmd" msgstr "" #. Tag: para #, no-c-format msgid " crmdNode Status Node Status NodeStatuscrmd Statuscrmd crmd Flag: is the crmd process active on the node? One of online, offline." msgstr "" #. Tag: para #, no-c-format msgid "join" msgstr "" #. Tag: para #, no-c-format msgid " joinNode Status Node Status NodeStatusjoin Statusjoin join Flag saying whether the node participates in hosting resources. Possible values: down, pending, member, banned." msgstr "" #. Tag: para #, no-c-format msgid "expected" msgstr "" #. Tag: para #, no-c-format msgid " expectedNode Status Node Status NodeStatusexpected Statusexpected expected Expected value for join." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "crm-debug-origin" msgstr "crm-debug-origin" #. Tag: para #, no-c-format msgid " crm-debug-originNode Status Node Status NodeStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin Diagnostic indicator: the origin of the most recent change(s)." msgstr "" #. Tag: para #, no-c-format msgid "The cluster uses these fields to determine if, at the node level, the node is healthy or is in a failed state and needs to be fenced." msgstr "Il cluster utilizza questi campi per determinare se, a livello di nodo, il nodo è sano o in uno stato fallito e necessita di essere ucciso (fenced)." #. Tag: title #, no-c-format msgid "Transient Node Attributes" msgstr "Attributi dei nodi transitori" #. Tag: para #, fuzzy, no-c-format msgid "Like regular node attributes, the name/value pairs listed here also help to describe the node. However they are forgotten by the cluster when the node goes offline. This can be useful, for instance, when you want a node to be in standby mode (not able to run resources) until the next reboot." msgstr "Come gli attributi del nodo regolari, la coppia nome/valore listata qui aiuta a descrivere il nodo. Ad ogni modo tali valori vengono dimenticati dal cluster quando il nodo va offline. Questo può essere utile, ad esempio, quando si vuole che un nodo rimanga in standby mode (quindi inabile ad erogare risorse) fino al successivo reboot." #. Tag: para #, no-c-format msgid "In addition to any values the administrator sets, the cluster will also store information about failed resources here." msgstr "In aggiunta a qualsiasi valore impostato dall'amministratore, il cluster registrerà informazioni a proposito di azioni fallite." #. Tag: title #, fuzzy, no-c-format msgid "Example set of transient node attributes for node \"cl-virt-1\"" msgstr "Esempio di set di attributi dei nodi transitori per il nodo "cl-virt-1"" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <transient_attributes id=\"cl-virt-1\">\n" " <instance_attributes id=\"status-cl-virt-1\">\n" " <nvpair id=\"status-cl-virt-1-pingd\" name=\"pingd\" value=\"3\"/>\n" " <nvpair id=\"status-cl-virt-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " <nvpair id=\"status-cl-virt-1-fail-count-pingd:0\" name=\"fail-count-pingd:0\" value=\"1\"/>\n" " <nvpair id=\"status-cl-virt-1-last-failure-pingd:0\" name=\"last-failure-pingd:0\" value=\"1239009742\"/>\n" " </instance_attributes>\n" " </transient_attributes>" msgstr "" "\n" "\n" " <transient_attributes id="cl-virt-1">\n" " <instance_attributes id="status-cl-virt-1">\n" " <nvpair id="status-cl-virt-1-pingd" name="pingd" value="3"/>\n" " <nvpair id="status-cl-virt-1-probe_complete" name="probe_complete" value="true"/>\n" " <nvpair id="status-cl-virt-1-fail-count-pingd:0" name="fail-count-pingd:0" value="1"/>\n" " <nvpair id="status-cl-virt-1-last-failure-pingd:0" name="last-failure-pingd:0" value="1239009742"/>\n" " </instance_attributes>\n" " </transient_attributes>\n" "\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "In the above example, we can see that the pingd:0 resource has failed once, at Mon Apr 6 11:22:22 2009. You can use the standard date command to print a human readable of any seconds-since-epoch value: # date -d @<parameter>number</parameter> We also see that the node is connected to three \"pingd\" peers and that all known resources have been checked for on this machine (probe_complete)." msgstr "Nell'esempio sopra, si può osservare che la risorsa pingd:0 è fallita una volta in data Mon Apr 6 11:22:22 2009. E' possibile utilizzare questo script perl per rendere comprensibie il valore data:perl -e 'print scalar(localtime($seconds))."\\n"' E' possibie inoltre osservare come il nodo sia connesso a tre punti "pingd" a come tutte le risorse conosciute siano state controllate da questa macchina (probe_complete)." #. Tag: title #, no-c-format msgid "Operation History" msgstr "Storico delle operazioni" #. Tag: para #, no-c-format msgid " Operation History " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A node’s resource history is held in the lrm_resources tag (a child of the lrm tag). The information stored here includes enough information for the cluster to stop the resource safely if it is removed from the configuration section. Specifically the resource’s id, class, type and provider are stored." msgstr "Lo storico di una risorsa relativo al nodo è contenuto nel tag (che è un tag figlio del tag lrm) lrm_resources. Le informazioni registrate qui includono sufficienti dati per il cluster affinché stoppi la risorsa in sicureza se questa viene rimossa dalla sezione configuration. Specificamente vengono registrati per la risorsa i valori id, class, type e provider." #. Tag: title #, no-c-format msgid "A record of the apcstonith resource" msgstr "Un record della risorsa apcstonith" #. Tag: programlisting #, fuzzy, no-c-format msgid "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\"/>" msgstr "" "\n" " <lrm_resource id="apcstonith" type="apcmastersnmp" class="stonith">\n" "\t" #. Tag: para #, no-c-format msgid "Additionally, we store the last job for every combination of resource, action and interval. The concatenation of the values in this tuple are used to create the id of the lrm_rsc_op object." msgstr "In aggiunta, viene registrato l'ultimo job per ciascuna combinazione di resource, action e interval. La concatenazione di valori in questa tupla viene usata per creare l'id dell'oggetto lrm_rsc_op." #. Tag: title #, fuzzy, no-c-format msgid "Contents of an lrm_rsc_op job" msgstr "Contenuti di un job lrm_rsc_op." #. Tag: para #, no-c-format msgid " idAction Status Action Status ActionStatusid Statusid id " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Identifier for the job constructed from the resource’s id, operation and interval." msgstr "Identificatore per il job costruito partendo dai valori della risorsa relativi a id, operation ed interval." #. Tag: para #, no-c-format msgid "call-id" msgstr "" #. Tag: para #, no-c-format msgid " call-idAction Status Action Status ActionStatuscall-id Statuscall-id call-id " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s ticket number. Used as a sort key to determine the order in which the jobs were executed." msgstr "Il numero di ticket del job. Utilizzato come una sorta di chiave per determirnare l'ordine in cui i job sono stati eseguiti." #. Tag: para #, no-c-format msgid "operation" msgstr "" #. Tag: para #, no-c-format msgid " operationAction Status Action Status ActionStatusoperation Statusoperation operation " msgstr "" #. Tag: para #, no-c-format msgid "The action the resource agent was invoked with." msgstr "L'azione con cui il resource agent è stato invocato." #. Tag: para #, no-c-format msgid "interval" msgstr "" #. Tag: para #, no-c-format msgid " intervalAction Status Action Status ActionStatusinterval Statusinterval interval " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The frequency, in milliseconds, at which the operation will be repeated. A one-off job is indicated by 0." msgstr "La frequenza, in millisecondi, in cui l'operazione verrà ripetuta. 0 indica un job una tantum." #. Tag: para #, no-c-format msgid "op-status" msgstr "" #. Tag: para #, no-c-format msgid " op-statusAction Status Action Status ActionStatusop-status Statusop-status op-status " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s status. Generally this will be either 0 (done) or -1 (pending). Rarely used in favor of rc-code." msgstr "Lo status del job. Generalmente questo sarà 0 (done) o -1 (pending). Raramente usato al posto di rc-code." #. Tag: para #, no-c-format msgid "rc-code" msgstr "" #. Tag: para #, no-c-format msgid " rc-codeAction Status Action Status ActionStatusrc-code Statusrc-code rc-code " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s result. Refer to for details on what the values here mean and how they are interpreted." msgstr "Il risultato del job. Riferirsi a per dettagli su cosa significano questi valori e come vengono interpretati." #. Tag: para #, no-c-format msgid "last-run" msgstr "" #. Tag: para #, no-c-format msgid " last-runAction Status Action Status ActionStatuslast-run Statuslast-run last-run " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job was executed." msgstr "Indicatore diagnostico. Data/ora locale della macchina in cui il job è stato eseguito, in secondi da epoch (00:00:00 UTC on 1 January 1970)." #. Tag: para #, no-c-format msgid "last-rc-change" msgstr "" #. Tag: para #, no-c-format msgid " last-rc-changeAction Status Action Status ActionStatuslast-rc-change Statuslast-rc-change last-rc-change " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job first returned the current value of rc-code." msgstr "Indicatore diagnostico. Data/ora locale della macchina in cui il job ha restituito la prima volta il valore di rc-code, in secondi da epoch (00:00:00 UTC on 1 January 1970)." #. Tag: para #, no-c-format msgid "exec-time" msgstr "" #. Tag: para #, no-c-format msgid " exec-timeAction Status Action Status ActionStatusexec-time Statusexec-time exec-time " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Diagnostic indicator. Time, in milliseconds, that the job was running for." msgstr "Indicatore diagnostico. Da quando il job è attivo, in millisecondi." #. Tag: para #, no-c-format msgid "queue-time" msgstr "" #. Tag: para #, no-c-format msgid " queue-timeAction Status Action Status ActionStatusqueue-time Statusqueue-time queue-time " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Diagnostic indicator. Time, in seconds, that the job was queued for in the LRMd." msgstr "Indicatore diagnostico. Tempo in cui il job è stato accodato all'interno di LRMd, in secondi." #. Tag: para #, fuzzy, no-c-format msgid "crm_feature_set" msgstr "crm_feature_set" #. Tag: para #, no-c-format msgid " crm_feature_setAction Status Action Status ActionStatuscrm_feature_set Statuscrm_feature_set crm_feature_set " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The version which this job description conforms to. Used when processing op-digest." msgstr "La versione a cui questa descrizione del job è conforme. Utilizzato quando si processa op-digest" #. Tag: para #, no-c-format msgid "transition-key" msgstr "" #. Tag: para #, no-c-format msgid " transition-keyAction Status Action Status ActionStatustransition-key Statustransition-key transition-key " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A concatenation of the job’s graph action number, the graph number, the expected result and the UUID of the crmd instance that scheduled it. This is used to construct transition-magic (below)." msgstr "Una concatenazione del numero azione grafica del job, del numero grafico, del risultato atteso e dell'UUID dell'istanza crmd che l'ha schedulato. Viene usato per costruire la transition-magic (sotto)." #. Tag: para #, fuzzy, no-c-format msgid "transition-magic" msgstr "transition-magic" #. Tag: para #, no-c-format msgid " transition-magicAction Status Action Status ActionStatustransition-magic Statustransition-magic transition-magic " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A concatenation of the job’s op-status, rc-code and transition-key. Guaranteed to be unique for the life of the cluster (which ensures it is part of CIB update notifications) and contains all the information needed for the crmd to correctly analyze and process the completed job. Most importantly, the decomposed elements tell the crmd if the job entry was expected and whether it failed." msgstr "Una concatenazione del valore di op-status del job, di rc-code e del valore transition-key. L'unicità è garantita per l'intera vita del cluster (ciò assicura che sarà parte delle notifiche di update del CIB) e contiene tutte le informazioni necessarie a crmd per la corretta analisi ed elaborazione del lavoro completato. Più importante, gli elementi decomposti comunicano al crmd se le entry dei job erano attese e se non sono riuscite." #. Tag: para #, no-c-format msgid "op-digest" msgstr "" #. Tag: para #, no-c-format msgid " op-digestAction Status Action Status ActionStatusop-digest Statusop-digest op-digest " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "An MD5 sum representing the parameters passed to the job. Used to detect changes to the configuration, to restart resources if necessary." msgstr "Un MD5 sum che rappresenta i parametri passati al job. Utilizzato per rilevare cambiamenti alla configurazione ed effettuare restart se necessario." #. Tag: para #, no-c-format msgid " crm-debug-originAction Status Action Status ActionStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. The origin of the current values." msgstr "Indicatore diagnostico. L'originie degli attuali valori." #. Tag: title #, no-c-format msgid "Simple Example" msgstr "Un semplice esempio" #. Tag: title #, fuzzy, no-c-format msgid "A monitor operation (determines current state of the apcstonith resource)" msgstr "Un'operazione di monitor eseguita dal cluster per determinare lo stato attuale della risorsa apcstonith" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\">\n" " <lrm_rsc_op id=\"apcstonith_monitor_0\" operation=\"monitor\" call-id=\"2\"\n" " rc-code=\"7\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " op-digest=\"2e3da9274d3550dc6526fb24bfcbcba0\"\n" " transition-key=\"22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " transition-magic=\"0:7;22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"10\" queue-time=\"0\"/>\n" "</lrm_resource>" msgstr "" "\n" "\n" " <lrm_resource id="apcstonith" type="apcmastersnmp" class="stonith"> \n" " <lrm_rsc_op id="apcstonith_monitor_0" operation="monitor" call-id="2" rc-code="7" op-status="0" interval="0" \n" "\t\tcrm-debug-origin="do_update_resource" crm_feature_set="3.0.1" \n" "\t\top-digest="2e3da9274d3550dc6526fb24bfcbcba0"\n" "\t\ttransition-key="22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a"\n" "\t\ttransition-magic="0:7;22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\tlast-run="1239008085" last-rc-change="1239008085" exec-time="10" queue-time="0"/>\n" " </lrm_resource>\n" "\n" "\t " #. Tag: para #, no-c-format msgid "In the above example, the job is a non-recurring monitor operation often referred to as a \"probe\" for the apcstonith resource." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The cluster schedules probes for every configured resource on when a new node starts, in order to determine the resource’s current state before it takes any further action." msgstr "Nell'esempio sopra il job è un monitor non ricorrente spesso denominato "probe" per la risorsa apcstonith. Il cluster schedula delle interrogazioni per ogni risorsa configurata ogni volta che un nodo si avvia, in modo da determinare lo stato attuale della risora prima che questa compia qualsiasi altra azione." #. Tag: para #, fuzzy, no-c-format msgid "From the transition-key, we can see that this was the 22nd action of the 2nd graph produced by this instance of the crmd (2668bbeb-06d5-40f9-936d-24cb7f87006a)." msgstr "Mediante transition-key è possibile osservare che questa era la ventiduesima azione del secondo grafo prodotto da questa istanza di crmd (2668bbeb-06d5-40f9-936d-24cb7f87006a). Il terzo coampo di transition-key contiene un 7 che indica come il job si aspetti di trovare la risorsa inattiva. Osservando alla proprietà di rc-code, si può concludere che è questo il caso." #. Tag: para #, no-c-format msgid "The third field of the transition-key contains a 7, this indicates that the job expects to find the resource inactive." msgstr "" #. Tag: para #, no-c-format msgid "By looking at the rc-code property, we see that this was the case." msgstr "" #. Tag: para #, no-c-format msgid "As that is the only job recorded for this node we can conclude that the cluster started the resource elsewhere." msgstr "" #. Tag: title #, no-c-format msgid "Complex Resource History Example" msgstr "Un complesso esempio di storico per risorsa" #. Tag: title #, no-c-format msgid "Resource history of a pingd clone with multiple jobs" msgstr "Storico di una risorsa clone pingd con job multipli" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<lrm_resource id=\"pingd:0\" type=\"pingd\" class=\"ocf\" provider=\"pacemaker\">\n" " <lrm_rsc_op id=\"pingd:0_monitor_30000\" operation=\"monitor\" call-id=\"34\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"30000\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_stop_0\" operation=\"stop\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" call-id=\"32\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " transition-key=\"11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_start_0\" operation=\"start\" call-id=\"33\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\" />\n" " <lrm_rsc_op id=\"pingd:0_monitor_0\" operation=\"monitor\" call-id=\"3\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"20\" queue-time=\"0\"/>\n" " </lrm_resource>" msgstr "" "\n" "\n" " <lrm_resource id="pingd:0" type="pingd" class="ocf" provider="pacemaker">\n" " <lrm_rsc_op id="pingd:0_monitor_30000" operation="monitor" call-id="34" rc-code="0" op-status="0" interval="30000" \n" "\t\tcrm-debug-origin="do_update_resource" crm_feature_set="3.0.1" \n" "\t\top-digest="a0f8398dac7ced82320fe99fd20fbd2f"\n" "\t\ttransition-key="10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\ttransition-magic="0:0;10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\tlast-run="1239009741" last-rc-change="1239009741" exec-time="10" queue-time="0"/>\n" " <lrm_rsc_op id="pingd:0_stop_0" operation="stop" \n" "\t\tcrm-debug-origin="do_update_resource" crm_feature_set="3.0.1" call-id="32" rc-code="0" op-status="0" interval="0" \n" "\t\top-digest="313aee7c6aad26e290b9084427bbab60"\n" "\t\ttransition-key="11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\ttransition-magic="0:0;11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\tlast-run="1239009741" last-rc-change="1239009741" exec-time="10" queue-time="0"/>\n" " <lrm_rsc_op id="pingd:0_start_0" operation="start" call-id="33" rc-code="0" op-status="0" interval="0" \n" "\t\tcrm-debug-origin="do_update_resource" crm_feature_set="3.0.1" \n" "\t\top-digest="313aee7c6aad26e290b9084427bbab60"\n" "\t\ttransition-key="31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\ttransition-magic="0:0;31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\tlast-run="1239009741" last-rc-change="1239009741" exec-time="10" queue-time="0" />\n" " <lrm_rsc_op id="pingd:0_monitor_0" operation="monitor" call-id="3" rc-code="0" op-status="0" interval="0" \n" "\t\tcrm-debug-origin="do_update_resource" crm_feature_set="3.0.1" \n" "\t\top-digest="313aee7c6aad26e290b9084427bbab60"\n" "\t\ttransition-key="23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\ttransition-magic="0:0;23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a" \n" "\t\tlast-run="1239008085" last-rc-change="1239008085" exec-time="20" queue-time="0"/>\n" " </lrm_resource>\n" "\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "When more than one job record exists, it is important to first sort them by call-id before interpreting them." msgstr "Quando esiste più di una registrazione per il job da interpretare, è importante l'ordinamento mediante call-id. Una volta ordinato, l'esempio sopra può essere riassunto come:" #. Tag: para #, no-c-format msgid "Once sorted, the above example can be summarized as:" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A non-recurring monitor operation returning 7 (not running), with a call-id of 3" msgstr "Un'operazione di monitor non ricorrente che restituisce 7 (not running), con un valore call-id di 3" #. Tag: para #, fuzzy, no-c-format msgid "A stop operation returning 0 (success), with a call-id of 32" msgstr "Un'operazione di stop che restituisce 0 (successo), con un call-id del valore di 32" #. Tag: para #, fuzzy, no-c-format msgid "A start operation returning 0 (success), with a call-id of 33" msgstr "Un'operazione di start che restituisce 0 (successo), con un call-id del valore di 33" #. Tag: para #, fuzzy, no-c-format msgid "A recurring monitor returning 0 (success), with a call-id of 34" msgstr "Un'operazione di monitor ricorrente che restituisce 0 (successo), con un call-id del valore di 34" #. Tag: para #, fuzzy, no-c-format msgid "The cluster processes each job record to build up a picture of the resource’s state. After the first and second entries, it is considered stopped and after the third it considered active." msgstr "Il cluster processa ogni registrazione di job per costruire un disegno dello stato delle risorse. Dopo la prima e la seconda entry, è considerato stoppato e dopo la terza è considerato attivo. In base all'ultima operazione è possibile concludere che la risorsa è attualmente attiva." #. Tag: para #, no-c-format msgid "Based on the last operation, we can tell that the resource is currently active." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Additionally, from the presence of a stop operation with a lower call-id than that of the start operation, we can conclude that the resource has been restarted. Specifically this occurred as part of actions 11 and 31 of transition 11 from the crmd instance with the key 2668bbeb…. This information can be helpful for locating the relevant section of the logs when looking for the source of a failure." msgstr "In aggiunta, dalla presenza di un'operazione di tipo stop con un numero minore di call-id rispetto al valore per l'operazione di start, è possibile concludere che la risorsa è stata avviata. Specificamente ciò è avvenuto come parte delle azioni 11 e 31 della transazione 11 dall'istanza crmd con chiave 2668bbeb-06d5-40f9-936d-24cb7f87006a. Questa informazione può essere utile per localizzare la sezione del log rilevavnte se si è alla ricerca del motivo di un'anomalia." #~ msgid "lrm tag" #~ msgstr "tag lrm" #~ msgid "id" #~ msgstr "id" #~ msgid "Unique identifier for the node. Corosync based clusters use the same value as uname, Heartbeat cluster use a human-readable (but annoying) UUID." #~ msgstr "Identificatore univoco per il nodo. I cluster basati su Corosync utilizzano lo stesso valore di numae, mentre quelli Heartbeat sono UUID leggibili (ma tediosi)." #~ msgid "uname" #~ msgstr "uname" #~ msgid "The node's machine name (output from uname -n)" #~ msgstr "Il nome macchina del nodo (dall'output di uname -n)" #~ msgid "ha" #~ msgstr "ha" #~ msgid "Is the cluster software active on the node. Allowed values: active, dead" #~ msgstr "Il cluster software attivo nel nodo. Valori permessi: active, dead" #~ msgid "in_ccm" #~ msgstr "in_ccm" #~ msgid "Is the node part of the cluster's membership. Allowed values: true, false" #~ msgstr "E' la parte del nodo relativa ai membri del cluster. Valori permessi: true, false" #~ msgid "Is the crmd process active on the node. Allowed values: online, offline" #~ msgstr "E' lo stato del processo crmd nel nodo. Valori permesse: online, offline" #~ msgid "join" #~ msgstr "join" #~ msgid "Is the node participating in hosting resources. Allowed values: down, pending, member, banned" #~ msgstr "Determina se il nodo sta partecipando all'erogazione delle risorse. Valori permessi: down, pending, member, banned" #~ msgid "expected" #~ msgstr "expected" #~ msgid "Expected value for join" #~ msgstr "Valore atteso per join" #~ msgid "Diagnostic indicator. The origin of the most recent change(s)." #~ msgstr "Indicatore diagnostico. L'origine del cambiamento o dei cambiamenti più recenti." #~ msgid "call-id" #~ msgstr "call-id" #~ msgid "operation" #~ msgstr "operation" #~ msgid "interval" #~ msgstr "interval" #~ msgid "op-status" #~ msgstr "op-status" #~ msgid "rc-code" #~ msgstr "rc-code" #~ msgid "last-run" #~ msgstr "last-run" #~ msgid "last-rc-change" #~ msgstr "last-rc-change" #~ msgid "exec-time" #~ msgstr "exec-time" #~ msgid "queue-time" #~ msgstr "queue-time" #~ msgid "transition-key" #~ msgstr "transition-key" #~ msgid "op-digest" #~ msgstr "op-digest" #~ msgid "Evidently, the cluster started the resource elsewhere as that is the only job recorded for this node." #~ msgstr "Evidentemente, il cluster ha avviato la risorsa altrove visto che quello è l'unico job registrato per questo nodo." pacemaker-master/doc/Pacemaker_Explained/it-IT/Ch-Stonith.po000066400000000000000000000562501217637305600242150ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-05-07 11:42+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Configure STONITH" msgstr "Configurare STONITH" #. Tag: para #, no-c-format msgid " STONITHConfiguration Configuration " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "What Is STONITH" msgstr "Perché c'è bisogno di STONITH" #. Tag: para #, fuzzy, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "STONITH è l'acronimo di Shoot-The-Other-Node-In-The-Head (Spara in testa all'altro nodo) e protegge i propri dati dall'essere corrotti mediante nodi ribelli od accessi concorrenti." #. Tag: para #, fuzzy, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "Solo perché un nodo non risponde, non significa che non sta accedendo ai dati. L'unica via per essere al 100% certi che i propri dati siano al sicuro è quella di utilizzare STONITH in modo da essere certi che un nodo sia realmente spento, prima di consentire l'accesso ai dati ad un altro nodo." #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "STONITH ha un ruolo da gionare anche nel caso in cui i servizi clusterizzati non possono essere stoppati. In questi casi, il cluster utilizza STONITH per spegnere forzatamente l'intero nodo, ed essere quindi certo che il servizio possa essere avviato altrove in sicurezza." #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "Quale STONITH device si dovrebbe usare" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "E' cruciale che il device STONITH consenta al cluster di differenziare tra un'anomalia del nodo ed una di rete." #. Tag: para #, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "Il più grande errore generalmente commesso nella scelta del device STONITH è quello di usare un remote power switch (come molti on-board IMPI controller) che condividono l'alimentazione con il nodo che controllano. In questi casi, il cluster non può essere certo del fatto che il nodo sia realmente offline, oppure attivo, ma con problemi di rete." #. Tag: para #, fuzzy, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "Similarmente ogni device che risiede sulla macchina attiva (come i device SSH utilizzati per i test) risulta inappropriato." #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "Configurare STONITH" #. Tag: para #, fuzzy, no-c-format msgid "Find the correct driver: stonith_admin --list-installed" msgstr "Determinare il driver corretto: stonith_admin --list-installed" #. Tag: para #, fuzzy, no-c-format msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run: stonith_admin --metadata --agent type" msgstr "Dato che ogni device è diverso, i parametri necessari per configurarlo possono variare. Per trovare i parametri associati al device è sufficiente lanciare:" #. Tag: literallayout #, fuzzy, no-c-format msgid "" "The output should be XML formatted text containing additional\n" "parameter descriptions. We will endevor to make the output more\n" "friendly in a later version." msgstr "L'output dovrebbe risultare in testo formattato in XML contenente le descrizioni dei parametri. Nelle prossime versioni l'output verrà reso più leggibile." #. Tag: para #, fuzzy, no-c-format msgid "Enter the shell crm Create an editable copy of the existing configuration cib new stonith Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: configure primitive …" msgstr "Creare un file chiamato stonith.xml contenente una risorsa primitiva con una classe di stonith, un tipo di type ed un parametro per ciascuno dei valori restituiti nel passo 2" #. Tag: para #, fuzzy, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "Se il device non conosce come effettuare il fence dei nodi in base al relativo uname, potrebbe essere necessario valorizzare il parametro speciale pcmk_host_map. Vedere man stonithd per i dettagli." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "Se il device non supporta il comando list è possibile valorizzare i parametri speciali pcmk_host_list e/o pcmk_host_check. Vedere man stonithd per dettagli." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "Se il device non si aspetta che la vittima venga specificata con il parametro port, potrebbe essere necessario valorizzare il parametro speciale pcmk_host_argument. Vedere man stonithd per dettagli." #. Tag: para #, no-c-format msgid "Upload it into the CIB from the shell: cib commit stonith" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "Una volta che la risorsa stonith sta funzionando, è possibile testarla eseguendo: stonith_admin --reboot nodename. Su questa macchina sarebbe certamente preferibile effettuare prima uno stop del servizio cluster." #. Tag: title #, no-c-format msgid "Example" msgstr "Esempio" #. Tag: para #, fuzzy, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "Assumendo di possedere uno chassis contenente quattro nodi ed un device IPMI attivo su 10.0.0.1, allora nel passo 2 verrà selezionato il driver fence_ipmilan e si otterrà la seguente lista di parametri" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "Ottenere la lista dei parametri STONITH" #. Tag: programlisting #, no-c-format msgid "# stonith_admin --metadata -a fence_ipmilan" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<?xml version=\"1.0\" ?>\n" "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" "<longdesc>\n" "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" "\n" "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" "<parameters>\n" " <parameter name=\"auth\" unique=\"1\">\n" " <getopt mixed=\"-A\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" " </parameter>\n" " <parameter name=\"ipaddr\" unique=\"1\">\n" " <getopt mixed=\"-a\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan IP to talk to</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd\" unique=\"1\">\n" " <getopt mixed=\"-p\" />\n" " <content type=\"string\" />\n" " <shortdesc>Password (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd_script\" unique=\"1\">\n" " <getopt mixed=\"-S\" />\n" " <content type=\"string\" />\n" " <shortdesc>Script to retrieve password (if required)</shortdesc>\n" " </parameter>\n" " <parameter name=\"lanplus\" unique=\"1\">\n" " <getopt mixed=\"-P\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Use Lanplus</shortdesc>\n" " </parameter>\n" " <parameter name=\"login\" unique=\"1\">\n" " <getopt mixed=\"-l\" />\n" " <content type=\"string\" />\n" " <shortdesc>Username/Login (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"action\" unique=\"1\">\n" " <getopt mixed=\"-o\" />\n" " <content type=\"string\" default=\"reboot\"/>\n" " <shortdesc>Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" " </parameter>\n" " <parameter name=\"timeout\" unique=\"1\">\n" " <getopt mixed=\"-t\" />\n" " <content type=\"string\" />\n" " <shortdesc>Timeout (sec) for IPMI operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"cipher\" unique=\"1\">\n" " <getopt mixed=\"-C\" />\n" " <content type=\"string\" />\n" " <shortdesc>Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" " </parameter>\n" " <parameter name=\"method\" unique=\"1\">\n" " <getopt mixed=\"-M\" />\n" " <content type=\"string\" default=\"onoff\"/>\n" " <shortdesc>Method to fence (onoff or cycle)</shortdesc>\n" " </parameter>\n" " <parameter name=\"power_wait\" unique=\"1\">\n" " <getopt mixed=\"-T\" />\n" " <content type=\"string\" default=\"2\"/>\n" " <shortdesc>Wait X seconds after on/off operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"delay\" unique=\"1\">\n" " <getopt mixed=\"-f\" />\n" " <content type=\"string\" />\n" " <shortdesc>Wait X seconds before fencing is started</shortdesc>\n" " </parameter>\n" " <parameter name=\"verbose\" unique=\"1\">\n" " <getopt mixed=\"-v\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Verbose mode</shortdesc>\n" " </parameter>\n" "</parameters>\n" "<actions>\n" " <action name=\"on\" />\n" " <action name=\"off\" />\n" " <action name=\"reboot\" />\n" " <action name=\"status\" />\n" " <action name=\"diag\" />\n" " <action name=\"list\" />\n" " <action name=\"monitor\" />\n" " <action name=\"metadata\" />\n" "</actions>\n" "</resource-agent>" msgstr "" "\n" "# stonith_admin --metadata -a fence_ipmilan\n" "\n" "<?xml version="1.0" ?>\n" "<resource-agent name="fence_ipmilan" shortdesc="Fence agent for IPMI over LAN">\n" "<longdesc>\n" "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" "\n" "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" "<parameters>\n" "\t<parameter name="auth" unique="1">\n" "\t\t<getopt mixed="-A" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="ipaddr" unique="1">\n" "\t\t<getopt mixed="-a" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">IPMI Lan IP to talk to</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="passwd" unique="1">\n" "\t\t<getopt mixed="-p" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Password (if required) to control power on IPMI device</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="passwd_script" unique="1">\n" "\t\t<getopt mixed="-S" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Script to retrieve password (if required)</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="lanplus" unique="1">\n" "\t\t<getopt mixed="-P" />\n" "\t\t<content type="boolean" />\n" "\t\t<shortdesc lang="en">Use Lanplus</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="login" unique="1">\n" "\t\t<getopt mixed="-l" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Username/Login (if required) to control power on IPMI device</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="action" unique="1">\n" "\t\t<getopt mixed="-o" />\n" "\t\t<content type="string" default="reboot"/>\n" "\t\t<shortdesc lang="en">Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="timeout" unique="1">\n" "\t\t<getopt mixed="-t" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Timeout (sec) for IPMI operation</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="cipher" unique="1">\n" "\t\t<getopt mixed="-C" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="method" unique="1">\n" "\t\t<getopt mixed="-M" />\n" "\t\t<content type="string" default="onoff"/>\n" "\t\t<shortdesc lang="en">Method to fence (onoff or cycle)</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="power_wait" unique="1">\n" "\t\t<getopt mixed="-T" />\n" "\t\t<content type="string" default="2"/>\n" "\t\t<shortdesc lang="en">Wait X seconds after on/off operation</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="delay" unique="1">\n" "\t\t<getopt mixed="-f" />\n" "\t\t<content type="string" />\n" "\t\t<shortdesc lang="en">Wait X seconds before fencing is started</shortdesc>\n" "\t</parameter>\n" "\t<parameter name="verbose" unique="1">\n" "\t\t<getopt mixed="-v" />\n" "\t\t<content type="boolean" />\n" "\t\t<shortdesc lang="en">Verbose mode</shortdesc>\n" "\t</parameter>\n" "</parameters>\n" "<actions>\n" "\t<action name="on" />\n" "\t<action name="off" />\n" "\t<action name="reboot" />\n" "\t<action name="status" />\n" "\t<action name="diag" />\n" "\t<action name="list" />\n" "\t<action name="monitor" />\n" "\t<action name="metadata" />\n" "</actions>\n" "</resource-agent>\n" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "da cui sarà possibile creare una risorsa STONITH che assomigli alla seguente" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "Esempio di risorsa STONITH" #. Tag: programlisting #, no-c-format msgid "" "# crm crm(live)# cib new stonith\n" "INFO: stonith shadow CIB created\n" "crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n" " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" " op monitor interval=\"60s\"" msgstr "" #. Tag: para #, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "crm(stonith)# configure property stonith-enabled=\"true\"\n" "crm(stonith)# configure shownode pcmk-1\n" "node pcmk-2\n" "primitive WebData ocf:linbit:drbd \\\n" " params drbd_resource=\"wwwdata\" \\\n" " op monitor interval=\"60s\"\n" "primitive WebFS ocf:heartbeat:Filesystem \\\n" " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" "primitive WebSite ocf:heartbeat:apache \\\n" " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" " op monitor interval=\"1min\"\n" "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" " params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" " op monitor interval=\"30s\"primitive ipmi-fencing stonith::fence_ipmilan \\ params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\ op monitor interval=\"60s\"ms WebDataClone WebData \\\n" " meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" "clone WebFSClone WebFS\n" "clone WebIP ClusterIP \\\n" " meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" "clone WebSiteClone WebSite\n" "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" "colocation website-with-ip inf: WebSiteClone WebIP\n" "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" "order apache-after-ip inf: WebIP WebSiteClone\n" "property $id=\"cib-bootstrap-options\" \\\n" " dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" " cluster-infrastructure=\"openais\" \\\n" " expected-quorum-votes=\"2\" \\\n" " stonith-enabled=\"true\" \\\n" " no-quorum-policy=\"ignore\"\n" "rsc_defaults $id=\"rsc-options\" \\\n" " resource-stickiness=\"100\"\n" "crm(stonith)# cib commit stonithINFO: commited 'stonith' shadow CIB to the cluster\n" "crm(stonith)# quit\n" "bye" msgstr "" #~ msgid "Protecting Your Data - STONITH" #~ msgstr "Proteggere i propri dati - STONITH" #~ msgid "stonith_admin --metadata --agent type" #~ msgstr "stonith_admin --metadata --agent type" #~ msgid "Upload it into the CIB using cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgstr "Effettuare l'upload all'interno del CIB utilizzando cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgid "" #~ "\n" #~ "\n" #~ " <primitive id="ipmi" class="stonith" type="fence_ipmilan">\n" #~ " <operations>\n" #~ " <op id="ipmi-mon-1" name="monitor" interval="120s"/>\n" #~ " </operations>\n" #~ " <instance_attributes id="ipmi-parameters">\n" #~ " <nvpair id="ipmi-attr-1" name="pcmk_host_list" value="node1 node2 node3 node4"/>\n" #~ " <nvpair id="ipmi-attr-1" name="ipaddr" value="10.0.0.1"/>\n" #~ " <nvpair id="ipmi-attr-1" name="login" value="testuser"/>\n" #~ " <nvpair id="ipmi-attr-1" name="passwd" value="abc123"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t " #~ msgstr "" #~ "\n" #~ "\n" #~ " <primitive id="ipmi" class="stonith" type="fence_ipmilan">\n" #~ " <operations>\n" #~ " <op id="ipmi-mon-1" name="monitor" interval="120s"/>\n" #~ " </operations>\n" #~ " <instance_attributes id="ipmi-parameters">\n" #~ " <nvpair id="ipmi-attr-1" name="pcmk_host_list" value="node1 node2 node3 node4"/>\n" #~ " <nvpair id="ipmi-attr-1" name="ipaddr" value="10.0.0.1"/>\n" #~ " <nvpair id="ipmi-attr-1" name="login" value="testuser"/>\n" #~ " <nvpair id="ipmi-attr-1" name="passwd" value="abc123"/>\n" #~ " </instance_attributes>\n" #~ " </primitive>\n" #~ "\n" #~ "\t " pacemaker-master/doc/Pacemaker_Explained/it-IT/Pacemaker_Explained.po000066400000000000000000000042141217637305600261070ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-19 10:27+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Receiving Notification for Cluster Events" msgstr "Ricevere notifiche in merito agli eventi del Cluster" #. Tag: title #, no-c-format msgid "Configuring Email Notifications" msgstr "Configurare le notifica Email" #. Tag: title #, no-c-format msgid "Configuring SNMP Notifications" msgstr "Configurare le notifiche SNMP" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "Approfondimenti" #. Tag: para #, fuzzy, no-c-format msgid "Project Website " msgstr "Configurazione di Corosync: " #. Tag: para #, fuzzy, no-c-format msgid "Project Documentation " msgstr "Sito del progetto: e documentazione " #. Tag: para #, fuzzy, no-c-format msgid "A comprehensive guide to cluster commands has been written by Novell" msgstr "Una guida completa ai comandi cluster è stata scritta da Novell ed è disponibile qui: " #. Tag: para #, no-c-format msgid "Heartbeat configuration: " msgstr "Configurazione di Heartbeat: " #. Tag: para #, no-c-format msgid "Corosync Configuration: " msgstr "Configurazione di Corosync: " #~ msgid "Cluster Commands" #~ msgstr "Comandi del Cluster" pacemaker-master/doc/Pacemaker_Explained/it-IT/Preface.po000066400000000000000000000006571217637305600236020ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2011-10-05T10:46:07\n" "PO-Revision-Date: 2011-04-19 10:23+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "Prefazione" pacemaker-master/doc/Pacemaker_Explained/it-IT/Revision_History.po000066400000000000000000000030551217637305600255470ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2011-04-19 10:30+0100\n" "Last-Translator: RaSca \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "Revision History" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "Import da Pages.app" #. Tag: member #, no-c-format msgid "Cleanup and reformatting of docbook xml complete" msgstr "Completata la pulizia e riformattazione dell'xml docbook" #. Tag: member #, no-c-format msgid "Split book into chapters and pass validation" msgstr "Divisione del libro in capitoli e conferma validazione" #. Tag: member #, no-c-format msgid "Re-organize book for use with Publican" msgstr "Riorganizzazione del lbro per l'utilizzo di Publican" #. Tag: member #, fuzzy, no-c-format msgid "Converted to asciidoc (which is converted to docbook for use with Publican)" msgstr "Riorganizzazione del lbro per l'utilizzo di Publican" pacemaker-master/doc/Pacemaker_Explained/pot/000077500000000000000000000000001217637305600215415ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Changes.pot000066400000000000000000000125441217637305600242010ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "What Changed in 1.0" msgstr "" #. Tag: title #, no-c-format msgid "New" msgstr "" #. Tag: para #, no-c-format msgid "Failure timeouts. See " msgstr "" #. Tag: para #, no-c-format msgid "New section for resource and operation defaults. See and " msgstr "" #. Tag: para #, no-c-format msgid "Tool for making offline configuration changes. See " msgstr "" #. Tag: para #, no-c-format msgid "Rules, instance_attributes, meta_attributes and sets of operations can be defined once and referenced in multiple places. See " msgstr "" #. Tag: para #, no-c-format msgid "The CIB now accepts XPath-based create/modify/delete operations. See the cibadmin help text." msgstr "" #. Tag: para #, no-c-format msgid "Multi-dimensional colocation and ordering constraints. See and " msgstr "" #. Tag: para #, no-c-format msgid "The ability to connect to the CIB from non-cluster machines. See " msgstr "" #. Tag: para #, no-c-format msgid "Allow recurring actions to be triggered at known times. See " msgstr "" #. Tag: title #, no-c-format msgid "Changed" msgstr "" #. Tag: para #, no-c-format msgid "Syntax" msgstr "" #. Tag: para #, no-c-format msgid "All resource and cluster options now use dashes (-) instead of underscores (_)" msgstr "" #. Tag: para #, no-c-format msgid "master_slave was renamed to master" msgstr "" #. Tag: para #, no-c-format msgid "The attributes container tag was removed" msgstr "" #. Tag: para #, no-c-format msgid "The operation field pre-req has been renamed requires" msgstr "" #. Tag: para #, no-c-format msgid "All operations must have an interval, start/stop must have it set to zero" msgstr "" #. Tag: para #, no-c-format msgid "The stonith-enabled option now defaults to true." msgstr "" #. Tag: para #, no-c-format msgid "The cluster will refuse to start resources if stonith-enabled is true (or unset) and no STONITH resources have been defined" msgstr "" #. Tag: para #, no-c-format msgid "The attributes of colocation and ordering constraints were renamed for clarity. See and " msgstr "" #. Tag: para #, no-c-format msgid "resource-failure-stickiness has been replaced by migration-threshold. See " msgstr "" #. Tag: para #, no-c-format msgid "The parameters for command-line tools have been made consistent" msgstr "" #. Tag: para #, no-c-format msgid "Switched to RelaxNG schema validation and libxml2 parser" msgstr "" #. Tag: para #, no-c-format msgid "id fields are now XML IDs which have the following limitations:" msgstr "" #. Tag: para #, no-c-format msgid "id’s cannot contain colons (:)" msgstr "" #. Tag: para #, no-c-format msgid "id’s cannot begin with a number" msgstr "" #. Tag: para #, no-c-format msgid "id’s must be globally unique (not just unique for that tag)" msgstr "" #. Tag: para #, no-c-format msgid "Some fields (such as those in constraints that refer to resources) are IDREFs." msgstr "" #. Tag: para #, no-c-format msgid "This means that they must reference existing resources or objects in order for the configuration to be valid. Removing an object which is referenced elsewhere will therefore fail." msgstr "" #. Tag: para #, no-c-format msgid "The CIB representation, from which a MD5 digest is calculated to verify CIBs on the nodes, has changed." msgstr "" #. Tag: para #, no-c-format msgid "This means that every CIB update will require a full refresh on any upgraded nodes until the cluster is fully upgraded to 1.0. This will result in significant performance degradation and it is therefore highly inadvisable to run a mixed 1.0/0.6 cluster for any longer than absolutely necessary." msgstr "" #. Tag: para #, no-c-format msgid "Ping node information no longer needs to be added to ha.cf." msgstr "" #. Tag: para #, no-c-format msgid "Simply include the lists of hosts in your ping resource(s)." msgstr "" #. Tag: title #, no-c-format msgid "Removed" msgstr "" #. Tag: para #, no-c-format msgid "It is no longer possible to set resource meta options as top-level attributes. Use meta attributes instead." msgstr "" #. Tag: para #, no-c-format msgid "Resource and operation defaults are no longer read from crm_config. See and instead." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Debug.pot000066400000000000000000000125631217637305600236600ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Debugging Cluster Startup" msgstr "" #. Tag: title #, no-c-format msgid "Corosync" msgstr "" #. Tag: title #, no-c-format msgid "Prerequisites" msgstr "" #. Tag: title #, no-c-format msgid "Minimum logging configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "\n" " # /etc/init.d/openais start\n" " \n" " \n" " logging {\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " \n" " " msgstr "" #. Tag: caption #, no-c-format msgid "Whatever other logging you have, these two lines are required for Pacemaker clusters" msgstr "" #. Tag: title #, no-c-format msgid "Confirm Corosync Started" msgstr "" #. Tag: title #, no-c-format msgid "Expected output when starting openais" msgstr "" #. Tag: screen #, no-c-format msgid "\n" " # /etc/init.d/openais start\n" " \n" " \n" " Starting Corosync daemon (aisexec): starting... rc=0: OK\n" " \n" " " msgstr "" #. Tag: title #, no-c-format msgid "Expected log messages - startup" msgstr "" #. Tag: screen #, no-c-format msgid "\n" " # grep -e \"openais.*network interface\" -e \"AIS Executive Service\" /var/log/messages\n" " \n" " \n" " Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80'\n" " Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service.\n" " Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up.\n" " \n" " " msgstr "" #. Tag: caption #, no-c-format msgid "The versions may differ, but you should see Corosync indicate it started and sucessfully attached to the machine's network interface" msgstr "" #. Tag: title #, no-c-format msgid "Expected log messages - membership" msgstr "" #. Tag: screen #, no-c-format msgid "\n" " # grep CLM /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41\n" " \n" " " msgstr "" #. Tag: caption #, no-c-format msgid "The exact messages will differ, but you should see a new membership formed with the real IP address of your node" msgstr "" #. Tag: title #, no-c-format msgid "Checking Pacemaker" msgstr "" #. Tag: para #, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack." msgstr "" #. Tag: title #, no-c-format msgid "Expected Pacemaker startup logging for Corosync" msgstr "" #. Tag: screen #, no-c-format msgid "\n" " # grep pcmk_plugin_init /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1\n" " \n" " " msgstr "" #. Tag: caption #, no-c-format msgid "If you don't see these messages, or some like them, there is likely a problem finding or loading the pacemaker plugin." msgstr "" #. Tag: title #, no-c-format msgid "Expected process listing on a 64-bit machine" msgstr "" #. Tag: screen #, no-c-format msgid "\n" " # ps axf\n" " \n" " \n" " 3718 ? Ssl 0:05 /usr/sbin/aisexec\n" " 3723 ? SLs 0:00 \\_ /usr/lib64/heartbeat/stonithd\n" " 3724 ? S 0:05 \\_ /usr/lib64/heartbeat/cib\n" " 3725 ? S 0:21 \\_ /usr/lib64/heartbeat/lrmd\n" " 3726 ? S 0:01 \\_ /usr/lib64/heartbeat/attrd\n" " 3727 ? S 0:00 \\_ /usr/lib64/heartbeat/pengine\n" " 3728 ? S 0:01 \\_ /usr/lib64/heartbeat/crmd\n" " \n" " " msgstr "" #. Tag: caption #, no-c-format msgid "On 32-bit systems the exact path may differ, but all the above processes should be listed." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-FAQ.pot000066400000000000000000000106341217637305600232360ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "FAQ" msgstr "" #. Tag: title #, no-c-format msgid "History" msgstr "" #. Tag: para #, no-c-format msgid "Why is the Project Called PacemakernamingPacemaker?" msgstr "" #. Tag: para #, no-c-format msgid "First of all, the reason its not called the CRM is because of the abundance of terms that are commonly abbreviated to those three letters." msgstr "" #. Tag: para #, no-c-format msgid "The Pacemaker name came from Kham, a good friend of mine, and was originally used by a Java GUI that I was prototyping in early 2007. Alas other commitments have prevented the GUI from progressing much and, when it came time to choose a name for this project, Lars suggested it was an even better fit for an independent CRM." msgstr "" #. Tag: para #, no-c-format msgid "The idea stems from the analogy between the role of this software and that of the little device that keeps the human heart pumping. Pacemaker monitors the cluster and intervenes when necessary to ensure the smooth operation of the services it provides." msgstr "" #. Tag: para #, no-c-format msgid "There were a number of other names (and acronyms) tossed around, but suffice to say \"Pacemaker\" was the best" msgstr "" #. Tag: para #, no-c-format msgid "Why was the Pacemaker Project Created?" msgstr "" #. Tag: para #, no-c-format msgid "The decision was made to spin-off the CRM into its own project after the 2.1.3 Heartbeat release in order to" msgstr "" #. Tag: para #, no-c-format msgid "support both the Corosync and Heartbeat cluster stacks equally" msgstr "" #. Tag: para #, no-c-format msgid "decouple the release cycles of two projects at very different stages of their life-cycles" msgstr "" #. Tag: para #, no-c-format msgid "foster the clearer package boundaries, thus leading to" msgstr "" #. Tag: para #, no-c-format msgid "better and more stable interfaces" msgstr "" #. Tag: title #, no-c-format msgid "Setup" msgstr "" #. Tag: para #, no-c-format msgid "What Messaging Layers Messaging Layers are Supported?" msgstr "" #. Tag: para #, no-c-format msgid "Corosync ()" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat ()" msgstr "" #. Tag: para #, no-c-format msgid "Can I Choose which Messaging Layer to use at Run Time?" msgstr "" #. Tag: para #, no-c-format msgid "Yes. The CRM will automatically detect which started it and behave accordingly." msgstr "" #. Tag: para #, no-c-format msgid "Can I Have a Mixed Heartbeat-Corosync Cluster?" msgstr "" #. Tag: para #, no-c-format msgid "No." msgstr "" #. Tag: para #, no-c-format msgid "Which Messaging Layer Should I Choose?" msgstr "" #. Tag: para #, no-c-format msgid "This is discussed in ." msgstr "" #. Tag: para #, no-c-format msgid "Where Can I Get Pre-built Packages?" msgstr "" #. Tag: para #, no-c-format msgid "Official packages for most major .rpm and based distributions are available from the ClusterLabs Website." msgstr "" #. Tag: para #, no-c-format msgid "For Debian packages, building from source and details on using the above repositories, see our installation page." msgstr "" #. Tag: para #, no-c-format msgid "What Versions of Pacemaker Are Supported?" msgstr "" #. Tag: para #, no-c-format msgid "Please refer to the Releases page for an up-to-date list of versions supported directly by the project." msgstr "" #. Tag: para #, no-c-format msgid "When seeking assistance, please try to ensure you have one of these versions." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Install.pot000066400000000000000000000133701217637305600242350ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "" #. Tag: para #, no-c-format msgid "The following text may no longer be accurate in some places." msgstr "" #. Tag: title #, no-c-format msgid "Choosing a Cluster Stack" msgstr "" #. Tag: para #, no-c-format msgid " ClusterChoosing Between Heartbeat and Corosync Choosing Between Heartbeat and Corosync Cluster StackCorosync Corosync Corosync Cluster StackHeartbeat Heartbeat Heartbeat " msgstr "" #. Tag: para #, no-c-format msgid "Ultimately the choice of cluster stack is a personal decision that must be made in the context of you or your company’s needs and strategic direction. Pacemaker currently functions equally well with both stacks." msgstr "" #. Tag: para #, no-c-format msgid "Here are some factors that may influence the decision:" msgstr "" #. Tag: para #, no-c-format msgid "SUSE/Novell, Red Hat and Oracle are all putting their collective weight behind the Corosync cluster stack." msgstr "" #. Tag: para #, no-c-format msgid "Using Corosync gives your applications access to the following additional cluster services" msgstr "" #. Tag: para #, no-c-format msgid "distributed locking service" msgstr "" #. Tag: para #, no-c-format msgid "extended virtual synchronization service" msgstr "" #. Tag: para #, no-c-format msgid "cluster closed process group service" msgstr "" #. Tag: para #, no-c-format msgid "It is likely that Pacemaker, at some point in the future, will make use of some of these additional services not provided by Heartbeat" msgstr "" #. Tag: title #, no-c-format msgid "Enabling Pacemaker" msgstr "" #. Tag: title #, no-c-format msgid "For Corosync" msgstr "" #. Tag: para #, no-c-format msgid "The Corosync configuration is normally located in /etc/corosync/corosync.conf and an example for a machine with an address of 1.2.3.4 in a cluster communicating on port 1234 (without peer authentication and message encryption) is shown below." msgstr "" #. Tag: title #, no-c-format msgid "An example Corosync configuration file" msgstr "" #. Tag: programlisting #, no-c-format msgid " totem {\n" " version: 2\n" " secauth: off\n" " threads: 0\n" " interface {\n" " ringnumber: 0\n" " bindnetaddr: 1.2.3.4\n" " mcastaddr: 239.255.1.1\n" " mcastport: 1234\n" " }\n" " }\n" " logging {\n" " fileline: off\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " amf {\n" " mode: disabled\n" " }" msgstr "" #. Tag: para #, no-c-format msgid "The logging should be mostly obvious and the amf section refers to the Availability Management Framework and is not covered in this document." msgstr "" #. Tag: para #, no-c-format msgid "The interesting part of the configuration is the totem section. This is where we define how the node can communicate with the rest of the cluster and what protocol version and options (including encryption Please consult the Corosync website (http://www.corosync.org/) and documentation for details on enabling encryption and peer authentication for the cluster. ) it should use. Beginners are encouraged to use the values shown and modify the interface section based on their network." msgstr "" #. Tag: para #, no-c-format msgid "It is also possible to configure Corosync for an IPv6 based environment. Simply configure bindnetaddr and mcastaddr with their IPv6 equivalents, eg." msgstr "" #. Tag: title #, no-c-format msgid "Example options for an IPv6 environment" msgstr "" #. Tag: programlisting #, no-c-format msgid " bindnetaddr: fec0::1:a800:4ff:fe00:20\n" " mcastaddr: ff05::1" msgstr "" #. Tag: para #, no-c-format msgid "To tell Corosync to use the Pacemaker cluster manager, add the following fragment to a functional Corosync configuration and restart the cluster." msgstr "" #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Corosync" msgstr "" #. Tag: programlisting #, no-c-format msgid "aisexec {\n" " user: root\n" " group: root\n" "}\n" "service {\n" " name: pacemaker\n" " ver: 0\n" "}" msgstr "" #. Tag: para #, no-c-format msgid "The cluster needs to be run as root so that its child processes (the lrmd in particular) have sufficient privileges to perform the actions requested of it. After all, a cluster manager that can’t add an IP address or start apache is of little use." msgstr "" #. Tag: para #, no-c-format msgid "The second directive is the one that actually instructs the cluster to run Pacemaker." msgstr "" #. Tag: title #, no-c-format msgid "For Heartbeat" msgstr "" #. Tag: para #, no-c-format msgid "Add the following to a functional ha.cf configuration file and restart Heartbeat:" msgstr "" #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Heartbeat" msgstr "" #. Tag: programlisting #, no-c-format msgid "crm respawn" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-LSB.pot000066400000000000000000000060741217637305600232520ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "init-Script LSB Compliance" msgstr "" #. Tag: para #, no-c-format msgid "The relevant part of LSB spec includes a description of all the return codes listed here." msgstr "" #. Tag: para #, no-c-format msgid "Assuming some_service is configured correctly and currently not active, the following sequence will help you determine if it is LSB compatible:" msgstr "" #. Tag: para #, no-c-format msgid "Start (stopped):" msgstr "" #. Tag: programlisting #, no-c-format msgid "# /etc/init.d/some_service start ; echo \"result: $?\"" msgstr "" #. Tag: para #, no-c-format msgid "Did the service start?" msgstr "" #. Tag: para #, no-c-format msgid "Did the command print result: 0 (in addition to the regular output)?" msgstr "" #. Tag: para #, no-c-format msgid "Status (running):" msgstr "" #. Tag: programlisting #, no-c-format msgid "# /etc/init.d/some_service status ; echo \"result: $?\"" msgstr "" #. Tag: para #, no-c-format msgid "Did the script accept the command?" msgstr "" #. Tag: para #, no-c-format msgid "Did the script indicate the service was running?" msgstr "" #. Tag: para #, no-c-format msgid "Start (running):" msgstr "" #. Tag: para #, no-c-format msgid "Is the service still running?" msgstr "" #. Tag: para #, no-c-format msgid "Stop (running):" msgstr "" #. Tag: programlisting #, no-c-format msgid "# /etc/init.d/some_service stop ; echo \"result: $?\"" msgstr "" #. Tag: para #, no-c-format msgid "Was the service stopped?" msgstr "" #. Tag: para #, no-c-format msgid "Status (stopped):" msgstr "" #. Tag: para #, no-c-format msgid "Did the script indicate the service was not running?" msgstr "" #. Tag: para #, no-c-format msgid "Did the command print result: 3 (in addition to the regular output)?" msgstr "" #. Tag: para #, no-c-format msgid "Stop (stopped):" msgstr "" #. Tag: para #, no-c-format msgid "Is the service still stopped?" msgstr "" #. Tag: para #, no-c-format msgid "Status (failed):" msgstr "" #. Tag: para #, no-c-format msgid "This step is not readily testable and relies on manual inspection of the script." msgstr "" #. Tag: para #, no-c-format msgid "The script can use one of the error codes (other than 3) listed in the LSB spec to indicate that it is active but failed. This tells the cluster that before moving the resource to another node, it needs to stop it on the existing one first." msgstr "" #. Tag: para #, no-c-format msgid "If the answer to any of the above questions is no, then the script is not LSB compliant. Your options are then to either fix the script or write an OCF agent based on the existing script." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-OCF.pot000066400000000000000000000464261217637305600232460ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "More About OCF Resource Agents" msgstr "" #. Tag: title #, no-c-format msgid "Location of Custom Scripts" msgstr "" #. Tag: para #, no-c-format msgid " OCF Resource Agents OCF Resource Agents are found in /usr/lib/ocf/resource.d/provider." msgstr "" #. Tag: para #, no-c-format msgid "When creating your own agents, you are encouraged to create a new directory under /usr/lib/ocf/resource.d/ so that they are not confused with (or overwritten by) the agents shipped with Heartbeat." msgstr "" #. Tag: para #, no-c-format msgid "So, for example, if you chose the provider name of bigCorp and wanted a new resource named bigApp, you would create a script called /usr/lib/ocf/resource.d/bigCorp/bigApp and define a resource:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"custom-app\" class=\"ocf\" provider=\"bigCorp\" type=\"bigApp\"/>" msgstr "" #. Tag: title #, no-c-format msgid "Actions" msgstr "" #. Tag: para #, no-c-format msgid "All OCF Resource Agents are required to implement the following actions" msgstr "" #. Tag: title #, no-c-format msgid "Required Actions for OCF Agents" msgstr "" #. Tag: entry #, no-c-format msgid "Action" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: entry #, no-c-format msgid "Instructions" msgstr "" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "Start the resource" msgstr "" #. Tag: para #, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active. startOCF Action OCF Action OCFActionstart Actionstart start " msgstr "" #. Tag: para #, no-c-format msgid "stop" msgstr "" #. Tag: para #, no-c-format msgid "Stop the resource" msgstr "" #. Tag: para #, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped. stopOCF Action OCF Action OCFActionstop Actionstop stop " msgstr "" #. Tag: para #, no-c-format msgid "monitor" msgstr "" #. Tag: para #, no-c-format msgid "Check the resource’s state" msgstr "" #. Tag: para #, no-c-format msgid "Exit 0 if the resource is running, 7 if it is stopped, and anything else if it is failed. monitorOCF Action OCF Action OCFActionmonitor Actionmonitor monitor " msgstr "" #. Tag: para #, no-c-format msgid "NOTE: The monitor script should test the state of the resource on the local machine only." msgstr "" #. Tag: para #, no-c-format msgid "meta-data" msgstr "" #. Tag: para #, no-c-format msgid "Describe the resource" msgstr "" #. Tag: para #, no-c-format msgid "Provide information about this resource as an XML snippet. Exit with 0. meta-dataOCF Action OCF Action OCFActionmeta-data Actionmeta-data meta-data " msgstr "" #. Tag: para #, no-c-format msgid "NOTE: This is not performed as root." msgstr "" #. Tag: para #, no-c-format msgid "validate-all" msgstr "" #. Tag: para #, no-c-format msgid "Verify the supplied parameters" msgstr "" #. Tag: para #, no-c-format msgid "Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured. validate-allOCF Action OCF Action OCFActionvalidate-all Actionvalidate-all validate-all " msgstr "" #. Tag: para #, no-c-format msgid "Additional requirements (not part of the OCF specs) are placed on agents that will be used for advanced concepts like clones and multi-state resources." msgstr "" #. Tag: title #, no-c-format msgid "Optional Actions for OCF Agents" msgstr "" #. Tag: para #, no-c-format msgid "promote" msgstr "" #. Tag: para #, no-c-format msgid "Promote the local instance of a multi-state resource to the master/primary state." msgstr "" #. Tag: para #, no-c-format msgid "Return 0 on success promoteOCF Action OCF Action OCFActionpromote Actionpromote promote " msgstr "" #. Tag: para #, no-c-format msgid "demote" msgstr "" #. Tag: para #, no-c-format msgid "Demote the local instance of a multi-state resource to the slave/secondary state." msgstr "" #. Tag: para #, no-c-format msgid "Return 0 on success demoteOCF Action OCF Action OCFActiondemote Actiondemote demote " msgstr "" #. Tag: para #, no-c-format msgid "notify" msgstr "" #. Tag: para #, no-c-format msgid "Used by the cluster to send the agent pre and post notification events telling the resource what has happened and will happen." msgstr "" #. Tag: para #, no-c-format msgid "Must not fail. Must exit with 0 notifyOCF Action OCF Action OCFActionnotify Actionnotify notify " msgstr "" #. Tag: para #, no-c-format msgid "One action specified in the OCF specs is not currently used by the cluster:" msgstr "" #. Tag: para #, no-c-format msgid "recover - a variant of the start action, this should try to recover a resource locally." msgstr "" #. Tag: para #, no-c-format msgid "Remember to use ocf-tester ocf-tester to verify that your new agent complies with the OCF standard properly." msgstr "" #. Tag: title #, no-c-format msgid "How are OCF Return Codes Interpreted?" msgstr "" #. Tag: para #, no-c-format msgid "The first thing the cluster does is to check the return code against the expected result. If the result does not match the expected value, then the operation is considered to have failed and recovery action is initiated." msgstr "" #. Tag: para #, no-c-format msgid "There are three types of failure recovery:" msgstr "" #. Tag: title #, no-c-format msgid "Types of recovery performed by the cluster" msgstr "" #. Tag: entry #, no-c-format msgid "Type" msgstr "" #. Tag: entry #, no-c-format msgid "Action Taken by the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "soft" msgstr "" #. Tag: para #, no-c-format msgid "A transient error occurred" msgstr "" #. Tag: para #, no-c-format msgid "Restart the resource or move it to a new location softOCF error OCF error OCFerrorsoft errorsoft soft " msgstr "" #. Tag: para #, no-c-format msgid "hard" msgstr "" #. Tag: para #, no-c-format msgid "A non-transient error that may be specific to the current node occurred" msgstr "" #. Tag: para #, no-c-format msgid "Move the resource elsewhere and prevent it from being retried on the current node hardOCF error OCF error OCFerrorhard errorhard hard " msgstr "" #. Tag: para #, no-c-format msgid "fatal" msgstr "" #. Tag: para #, no-c-format msgid "A non-transient error that will be common to all cluster nodes (eg. a bad configuration was specified)" msgstr "" #. Tag: para #, no-c-format msgid "Stop the resource and prevent it from being started on any cluster node fatalOCF error OCF error OCFerrorfatal errorfatal fatal " msgstr "" #. Tag: para #, no-c-format msgid "Assuming an action is considered to have failed, the following table outlines the different OCF return codes and the type of recovery the cluster will initiate when it is received." msgstr "" #. Tag: title #, no-c-format msgid "OCF Return Codes" msgstr "" #. Tag: title #, no-c-format msgid "OCF Return Codes and their Recovery Types" msgstr "" #. Tag: entry #, no-c-format msgid "RC" msgstr "" #. Tag: entry #, no-c-format msgid "OCF Alias" msgstr "" #. Tag: entry #, no-c-format msgid "RT" msgstr "" #. Tag: para #, no-c-format msgid "0" msgstr "" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "" #. Tag: para #, no-c-format msgid "Success. The command completed successfully. This is the expected result for all start, stop, promote and demote commands. Return CodeOCF_SUCCESS OCF_SUCCESS Return Code0OCF_SUCCESS 0OCF_SUCCESS OCF_SUCCESS " msgstr "" #. Tag: para #, no-c-format msgid "1" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_GENERIC" msgstr "" #. Tag: para #, no-c-format msgid "Generic \"there was a problem\" error code. Return CodeOCF_ERR_GENERIC OCF_ERR_GENERIC Return Code1OCF_ERR_GENERIC 1OCF_ERR_GENERIC OCF_ERR_GENERIC " msgstr "" #. Tag: para #, no-c-format msgid "2" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_ARGS" msgstr "" #. Tag: para #, no-c-format msgid "The resource’s configuration is not valid on this machine. Eg. refers to a location/tool not found on the node. Return CodeOCF_ERR_ARGS OCF_ERR_ARGS Return Code2OCF_ERR_ARGS 2OCF_ERR_ARGS OCF_ERR_ARGS " msgstr "" #. Tag: para #, no-c-format msgid "3" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_UNIMPLEMENTED" msgstr "" #. Tag: para #, no-c-format msgid "The requested action is not implemented. Return CodeOCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED Return Code3OCF_ERR_UNIMPLEMENTED 3OCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED " msgstr "" #. Tag: para #, no-c-format msgid "4" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_PERM" msgstr "" #. Tag: para #, no-c-format msgid "The resource agent does not have sufficient privileges to complete the task. Return CodeOCF_ERR_PERM OCF_ERR_PERM Return Code4OCF_ERR_PERM 4OCF_ERR_PERM OCF_ERR_PERM " msgstr "" #. Tag: para #, no-c-format msgid "5" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_INSTALLED" msgstr "" #. Tag: para #, no-c-format msgid "The tools required by the resource are not installed on this machine. Return CodeOCF_ERR_INSTALLED OCF_ERR_INSTALLED Return Code5OCF_ERR_INSTALLED 5OCF_ERR_INSTALLED OCF_ERR_INSTALLED " msgstr "" #. Tag: para #, no-c-format msgid "6" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_CONFIGURED" msgstr "" #. Tag: para #, no-c-format msgid "The resource’s configuration is invalid. Eg. required parameters are missing. Return CodeOCF_ERR_CONFIGURED OCF_ERR_CONFIGURED Return Code6OCF_ERR_CONFIGURED 6OCF_ERR_CONFIGURED OCF_ERR_CONFIGURED " msgstr "" #. Tag: para #, no-c-format msgid "7" msgstr "" #. Tag: para #, no-c-format msgid "OCF_NOT_RUNNING" msgstr "" #. Tag: para #, no-c-format msgid "The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action. Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING Return Code7OCF_NOT_RUNNING 7OCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "" #. Tag: para #, no-c-format msgid "N/A" msgstr "" #. Tag: para #, no-c-format msgid "8" msgstr "" #. Tag: para #, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "" #. Tag: para #, no-c-format msgid "The resource is running in Master mode. Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER Return Code8OCF_RUNNING_MASTER 8OCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "9" msgstr "" #. Tag: para #, no-c-format msgid "OCF_FAILED_MASTER" msgstr "" #. Tag: para #, no-c-format msgid "The resource is in Master mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again. Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER Return Code9OCF_FAILED_MASTER 9OCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "other" msgstr "" #. Tag: para #, no-c-format msgid "NA" msgstr "" #. Tag: para #, no-c-format msgid "Custom error code. Return Codeother other " msgstr "" #. Tag: para #, no-c-format msgid "Although counterintuitive, even actions that return 0 (aka. OCF_SUCCESS) can be considered to have failed." msgstr "" #. Tag: title #, no-c-format msgid "Exceptions" msgstr "" #. Tag: para #, no-c-format msgid "Non-recurring monitor actions (probes) that find a resource active (or in Master mode) will not result in recovery action unless it is also found active elsewhere" msgstr "" #. Tag: para #, no-c-format msgid "The recovery action taken when a resource is found active more than once is determined by the multiple-active property of the resource" msgstr "" #. Tag: para #, no-c-format msgid "Recurring actions that return OCF_ERR_UNIMPLEMENTED do not cause any type of recovery" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Samples.pot000066400000000000000000000144561217637305600242410ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Sample Configurations" msgstr "" #. Tag: title #, no-c-format msgid "Empty" msgstr "" #. Tag: title #, no-c-format msgid "An Empty Configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" #. Tag: title #, no-c-format msgid "Simple" msgstr "" #. Tag: title #, no-c-format msgid "Simple Configuration - 2 nodes, some cluster options and a resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\" score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" #. Tag: para #, no-c-format msgid "In this example, we have one resource (an IP address) that we check every five minutes and will run on host c001n01 until either the resource fails 10 times or the host shuts down." msgstr "" #. Tag: title #, no-c-format msgid "Advanced Configuration" msgstr "" #. Tag: title #, no-c-format msgid "Advanced configuration - groups and clones with stonith" msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " <nvpair id=\"option-3\" name=\"stonith-enabled\" value=\"true\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " <node id=\"zzz\" uname=\"c001n03\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <group id=\"myGroup\">\n" " <primitive id=\"database\" class=\"lsb\" type=\"oracle\">\n" " <operations>\n" " <op id=\"database-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " <primitive id=\"webserver\" class=\"lsb\" type=\"apache\">\n" " <operations>\n" " <op id=\"webserver-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " </group>\n" " <clone id=\"STONITH\">\n" " <meta_attributes id=\"stonith-options\">\n" " <nvpair id=\"stonith-option-1\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"stonithclone\" class=\"stonith\" type=\"external/ssh\">\n" " <operations>\n" " <op id=\"stonith-op-mon\" name=\"monitor\" interval=\"5s\"/>\n" " </operations>\n" " <instance_attributes id=\"stonith-attrs\">\n" " <nvpair id=\"stonith-attr-1\" name=\"hostlist\" value=\"c001n01,c001n02\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </clone>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\"\n" " score=\"INFINITY\"/>\n" " <rsc_colocation id=\"group-with-ip\" rsc=\"myGroup\" with-rsc=\"myAddr\"\n" " score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Upgrade-Config.pot000066400000000000000000000175401217637305600254240ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading the Configuration from 0.6" msgstr "" #. Tag: title #, no-c-format msgid "Preparation" msgstr "" #. Tag: para #, no-c-format msgid " Upgrading the Configuration ConfigurationUpgrading Upgrading " msgstr "" #. Tag: para #, no-c-format msgid " DownloadDTD DTD DTDDownload Download " msgstr "" #. Tag: para #, no-c-format msgid "Download the latest DTD and ensure your configuration validates." msgstr "" #. Tag: title #, no-c-format msgid "Perform the upgrade" msgstr "" #. Tag: title #, no-c-format msgid "Upgrade the software" msgstr "" #. Tag: para #, no-c-format msgid "Refer to the appendix: " msgstr "" #. Tag: title #, no-c-format msgid "Upgrade the Configuration" msgstr "" #. Tag: para #, no-c-format msgid "As XML is not the friendliest of languages, it is common for cluster administrators to have scripted some of their activities. In such cases, it is likely that those scripts will not work with the new 1.0 syntax." msgstr "" #. Tag: para #, no-c-format msgid "In order to support such environments, it is actually possible to continue using the old 0.6 syntax." msgstr "" #. Tag: para #, no-c-format msgid "The downside is, however, that not all the new features will be available and there is a performance impact since the cluster must do a non-persistent configuration upgrade before each transition. So while using the old syntax is possible, it is not advisable to continue using it indefinitely." msgstr "" #. Tag: para #, no-c-format msgid "Even if you wish to continue using the old syntax, it is advisable to follow the upgrade procedure to ensure that the cluster is able to use your existing configuration (since it will perform much the same task internally)." msgstr "" #. Tag: para #, no-c-format msgid "Create a shadow copy to work with" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_shadow --create upgrade06" msgstr "" #. Tag: para #, no-c-format msgid "Verify the configuration is valid ConfigurationVerify Verify VerifyConfiguration Configuration " msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_verify --live-check" msgstr "" #. Tag: para #, no-c-format msgid "Fix any errors or warnings" msgstr "" #. Tag: para #, no-c-format msgid "Perform the upgrade:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --upgrade" msgstr "" #. Tag: para #, no-c-format msgid "If this step fails, there are three main possibilities:" msgstr "" #. Tag: para #, no-c-format msgid "The configuration was not valid to start with - go back to step 2" msgstr "" #. Tag: para #, no-c-format msgid "The transformation failed - report a bug or email the project" msgstr "" #. Tag: para #, no-c-format msgid "The transformation was successful but produced an invalid result The most common reason is ID values being repeated or invalid. Pacemaker 1.0 is much stricter regarding this type of validation. " msgstr "" #. Tag: para #, no-c-format msgid "If the result of the transformation is invalid, you may see a number of errors from the validation library. If these are not helpful, visit http://clusterlabs.org/wiki/Validation_FAQ and/or try the procedure described below under " msgstr "" #. Tag: para #, no-c-format msgid "Check the changes" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_shadow --diff" msgstr "" #. Tag: para #, no-c-format msgid "If at this point there is anything about the upgrade that you wish to fine-tune (for example, to change some of the automatic IDs) now is the time to do so. Since the shadow configuration is not in use by the cluster, it is safe to edit the file manually:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_shadow --edit" msgstr "" #. Tag: para #, no-c-format msgid "This will open the configuration in your favorite editor (whichever is specified by the standard $EDITOR environment variable)" msgstr "" #. Tag: para #, no-c-format msgid "Preview how the cluster will react" msgstr "" #. Tag: para #, no-c-format msgid "Test what the cluster will do when you upload the new configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_simulate --live-check --save-dotfile upgrade06.dot -S\n" "# graphviz upgrade06.dot" msgstr "" #. Tag: para #, no-c-format msgid "Verify that either no resource actions will occur or that you are happy with any that are scheduled. If the output contains actions you do not expect (possibly due to changes to the score calculations), you may need to make further manual changes. See for further details on how to interpret the output of crm_simulate" msgstr "" #. Tag: para #, no-c-format msgid "Upload the changes" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_shadow --commit upgrade06 --force" msgstr "" #. Tag: para #, no-c-format msgid "If this step fails, something really strange has occurred. You should report a bug." msgstr "" #. Tag: title #, no-c-format msgid "Manually Upgrading the Configuration" msgstr "" #. Tag: para #, no-c-format msgid " ConfigurationUpgrade manually Upgrade manually It is also possible to perform the configuration upgrade steps manually. To do this" msgstr "" #. Tag: para #, no-c-format msgid "Locate the upgrade06.xsl conversion script or download the latest version from Git" msgstr "" #. Tag: para #, no-c-format msgid "Convert the XML blob: XMLConvert Convert " msgstr "" #. Tag: programlisting #, no-c-format msgid "# xsltproc /path/to/upgrade06.xsl config06.xml > config10.xml" msgstr "" #. Tag: para #, no-c-format msgid "Locate the pacemaker.rng script." msgstr "" #. Tag: para #, no-c-format msgid "Check the XML validity: Validate Configuration ConfigurationValidate XML Validate XML " msgstr "" #. Tag: programlisting #, no-c-format msgid "# xmllint --relaxng /path/to/pacemaker.rng config10.xml" msgstr "" #. Tag: para #, no-c-format msgid "The advantage of this method is that it can be performed without the cluster running and any validation errors should be more informative (despite being generated by the same library!) since they include line numbers." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ap-Upgrade.pot000066400000000000000000000225541217637305600242220ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading Cluster Software" msgstr "" #. Tag: title #, no-c-format msgid "Version Compatibility" msgstr "" #. Tag: para #, no-c-format msgid "When releasing newer versions we take care to make sure we are backwards compatible with older versions. While you will always be able to upgrade from version x to x+1, in order to continue to produce high quality software it may occasionally be necessary to drop compatibility with older versions." msgstr "" #. Tag: para #, no-c-format msgid "There will always be an upgrade path from any series-2 release to any other series-2 release." msgstr "" #. Tag: para #, no-c-format msgid "There are three approaches to upgrading your cluster software:" msgstr "" #. Tag: para #, no-c-format msgid "Complete Cluster Shutdown" msgstr "" #. Tag: para #, no-c-format msgid "Rolling (node by node)" msgstr "" #. Tag: para #, no-c-format msgid "Disconnect and Reattach" msgstr "" #. Tag: para #, no-c-format msgid "Each method has advantages and disadvantages, some of which are listed in the table below, and you should chose the one most appropriate to your needs." msgstr "" #. Tag: title #, no-c-format msgid "Summary of Upgrade Methodologies" msgstr "" #. Tag: entry #, no-c-format msgid "Type" msgstr "" #. Tag: entry #, no-c-format msgid "Available between all software versions" msgstr "" #. Tag: entry #, no-c-format msgid "Service Outage During Upgrade" msgstr "" #. Tag: entry #, no-c-format msgid "Service Recovery During Upgrade" msgstr "" #. Tag: entry #, no-c-format msgid "Exercises Failover Logic/Configuration" msgstr "" #. Tag: entry #, no-c-format msgid "Allows change of cluster stack type ClusterSwitching between Stacks Switching between Stacks Changing Cluster Stack For example, switching from Heartbeat to Corosync. Consult the Heartbeat or Corosync documentation to see if upgrading them to a newer version is also supported. " msgstr "" #. Tag: para #, no-c-format msgid "Shutdown UpgradeShutdown Shutdown Shutdown Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "yes" msgstr "" #. Tag: para #, no-c-format msgid "always" msgstr "" #. Tag: para #, no-c-format msgid "N/A" msgstr "" #. Tag: para #, no-c-format msgid "no" msgstr "" #. Tag: para #, no-c-format msgid "Rolling UpgradeRolling Rolling Rolling Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "Reattach UpgradeReattach Reattach Reattach Upgrade " msgstr "" #. Tag: para #, no-c-format msgid "only due to failure" msgstr "" #. Tag: para #, no-c-format msgid "In this scenario one shuts down all cluster nodes and resources and upgrades all the nodes before restarting the cluster." msgstr "" #. Tag: title #, no-c-format msgid "Procedure" msgstr "" #. Tag: para #, no-c-format msgid "On each node:" msgstr "" #. Tag: para #, no-c-format msgid "Shutdown the cluster stack (Heartbeat or Corosync)" msgstr "" #. Tag: para #, no-c-format msgid "Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system." msgstr "" #. Tag: para #, no-c-format msgid "Check the configuration manually or with the crm_verify tool if available." msgstr "" #. Tag: para #, no-c-format msgid "Start the cluster stack. This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "" #. Tag: para #, no-c-format msgid "In this scenario each node is removed from the cluster, upgraded and then brought back online until all nodes are running the newest version." msgstr "" #. Tag: para #, no-c-format msgid "This method is currently broken between Pacemaker 0.6.x and 1.0.x." msgstr "" #. Tag: para #, no-c-format msgid "Measures have been put into place to ensure rolling upgrades always work for versions after 1.0.0. Please try one of the other upgrade strategies. Detach/Reattach is a particularly good option for most people." msgstr "" #. Tag: para #, no-c-format msgid "On each node: . Shutdown the cluster stack (Heartbeat or Corosync) . Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system. .. On the first node, check the configuration manually or with the crm_verify tool if available. .. Start the cluster stack." msgstr "" #. Tag: para #, no-c-format msgid "+ This must be the same type of cluster stack (Corosync or Heartbeat) that the rest of the cluster is using. Upgrading Corosync/Heartbeat may also be possible, please consult the documentation for those projects to see if the two versions will be compatible." msgstr "" #. Tag: para #, no-c-format msgid "+ .. Repeat for each node in the cluster." msgstr "" #. Tag: title #, no-c-format msgid "Version Compatibility Table" msgstr "" #. Tag: entry #, no-c-format msgid "Version being Installed" msgstr "" #. Tag: entry #, no-c-format msgid "Oldest Compatible Version" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.x" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.0" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker 0.7.x" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker 0.6 or Heartbeat 2.1.3" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker 0.6.x" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.8" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat 2.1.3 (or less)" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4 (or less)" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.0" msgstr "" #. Tag: para #, no-c-format msgid "None. Use an alternate upgrade strategy." msgstr "" #. Tag: title #, no-c-format msgid "Crossing Compatibility Boundaries" msgstr "" #. Tag: para #, no-c-format msgid "Rolling upgrades that cross compatibility boundaries must be preformed in multiple steps. For example, to perform a rolling update from Heartbeat 2.0.1 to Pacemaker 0.6.6 one must:" msgstr "" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.1 to Heartbeat 2.0.4" msgstr "" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.4 to Heartbeat 2.1.3" msgstr "" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.1.3 to Pacemaker 0.6.6" msgstr "" #. Tag: para #, no-c-format msgid "A variant of a complete cluster shutdown, but the resources are left active and get re-detected when the cluster is restarted." msgstr "" #. Tag: para #, no-c-format msgid "Tell the cluster to stop managing services." msgstr "" #. Tag: para #, no-c-format msgid "This is required to allow the services to remain active after the cluster shuts down." msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v false" msgstr "" #. Tag: para #, no-c-format msgid "For any resource that has a value for is-managed, make sure it is set to false (so that the cluster will not stop it)" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v false" msgstr "" #. Tag: para #, no-c-format msgid "Upgrade the cluster stack program - This may also include upgrading the underlying operating system." msgstr "" #. Tag: para #, no-c-format msgid "Start the cluster stack." msgstr "" #. Tag: para #, no-c-format msgid "This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "" #. Tag: para #, no-c-format msgid "Verify that the cluster re-detected all resources correctly." msgstr "" #. Tag: para #, no-c-format msgid "Allow the cluster to resume managing resources again:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v true" msgstr "" #. Tag: para #, no-c-format msgid "For any resource that has a value for is-managed reset it to true (so the cluster can recover the service if it fails) if desired:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v true" msgstr "" #. Tag: title #, no-c-format msgid "Notes" msgstr "" #. Tag: para #, no-c-format msgid "Always check your existing configuration is still compatible with the version you are installing before starting the cluster." msgstr "" #. Tag: para #, no-c-format msgid "The oldest version of the CRM to support this upgrade type was in Heartbeat 2.0.4" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Author_Group.pot000066400000000000000000000035561217637305600247140ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "" #. Tag: firstname #, no-c-format msgid "Philipp" msgstr "" #. Tag: surname #, no-c-format msgid "Marek" msgstr "" #. Tag: orgname #, no-c-format msgid "LINBit" msgstr "" #. Tag: contrib #, no-c-format msgid "Style and formatting updates. Indexing." msgstr "" #. Tag: firstname #, no-c-format msgid "Tanja" msgstr "" #. Tag: surname #, no-c-format msgid "Roth" msgstr "" #. Tag: orgname #, no-c-format msgid "SUSE" msgstr "" #. Tag: contrib #, no-c-format msgid "Utilization chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Resource Templates chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Multi-Site Clusters chapter" msgstr "" #. Tag: firstname #, no-c-format msgid "Lars" msgstr "" #. Tag: surname #, no-c-format msgid "Marowsky-Bree" msgstr "" #. Tag: firstname #, no-c-format msgid "Yan" msgstr "" #. Tag: surname #, no-c-format msgid "Gao" msgstr "" #. Tag: firstname #, no-c-format msgid "Thomas" msgstr "" #. Tag: surname #, no-c-format msgid "Schraitle" msgstr "" #. Tag: firstname #, no-c-format msgid "Dejan" msgstr "" #. Tag: surname #, no-c-format msgid "Muhamedagic" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Book_Info.pot000066400000000000000000000031541217637305600241350ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Explained" msgstr "" #. Tag: subtitle #, no-c-format msgid "An A-Z guide to Pacemaker's Configuration Options" msgstr "" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "" #. Tag: para #, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "" #. Tag: para #, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "" #. Tag: para #, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster. Try the Clusters from Scratch document instead." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Advanced-Options.pot000066400000000000000000001037171217637305600257640ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Configuration" msgstr "" #. Tag: title #, no-c-format msgid "Connecting from a Remote Machine" msgstr "" #. Tag: para #, no-c-format msgid " ClusterRemote connection Remote connection ClusterRemote administration Remote administration " msgstr "" #. Tag: para #, no-c-format msgid "Provided Pacemaker is installed on a machine, it is possible to connect to the cluster even if the machine itself is not in the same cluster. To do this, one simply sets up a number of environment variables and runs the same commands as when working on a cluster node." msgstr "" #. Tag: title #, no-c-format msgid "Environment Variables Used to Connect to Remote Instances of the CIB" msgstr "" #. Tag: entry #, no-c-format msgid "Environment Variable" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "CIB_user" msgstr "" #. Tag: para #, no-c-format msgid "The user to connect as. Needs to be part of the hacluster group on the target host. Defaults to $USER. Environment VariableCIB_user CIB_user " msgstr "" #. Tag: para #, no-c-format msgid "CIB_passwd" msgstr "" #. Tag: para #, no-c-format msgid "The user’s password. Read from the command line if unset. Environment VariableCIB_passwd CIB_passwd " msgstr "" #. Tag: para #, no-c-format msgid "CIB_server" msgstr "" #. Tag: para #, no-c-format msgid "The host to contact. Defaults to localhost. Environment VariableCIB_server CIB_server " msgstr "" #. Tag: para #, no-c-format msgid "CIB_port" msgstr "" #. Tag: para #, no-c-format msgid "The port on which to contact the server; required. Environment VariableCIB_port CIB_port " msgstr "" #. Tag: para #, no-c-format msgid "CIB_encrypted" msgstr "" #. Tag: para #, no-c-format msgid "Encrypt network traffic; defaults to true. Environment VariableCIB_encrypted CIB_encrypted " msgstr "" #. Tag: para #, no-c-format msgid "So, if c001n01 is an active cluster node and is listening on 1234 for connections, and someguy is a member of the hacluster group, then the following would prompt for someguy's password and return the cluster’s current configuration:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy;\n" "# cibadmin -Q" msgstr "" #. Tag: para #, no-c-format msgid "For security reasons, the cluster does not listen for remote connections by default. If you wish to allow remote access, you need to set the remote-tls-port (encrypted) or remote-clear-port (unencrypted) top-level options (ie., those kept in the cib tag, like num_updates and epoch)." msgstr "" #. Tag: title #, no-c-format msgid "Extra top-level CIB options for remote access" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: para #, no-c-format msgid "remote-tls-port" msgstr "" #. Tag: para #, no-c-format msgid "Listen for encrypted remote connections on this port. Default: none remote-tls-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-tls-port Optionremote-tls-port remote-tls-port " msgstr "" #. Tag: para #, no-c-format msgid "remote-clear-port" msgstr "" #. Tag: para #, no-c-format msgid "Listen for plaintext remote connections on this port. Default: none remote-clear-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-clear-port Optionremote-clear-port remote-clear-port " msgstr "" #. Tag: title #, no-c-format msgid "Specifying When Recurring Actions are Performed" msgstr "" #. Tag: para #, no-c-format msgid "By default, recurring actions are scheduled relative to when the resource started. So if your resource was last started at 14:32 and you have a backup set to be performed every 24 hours, then the backup will always run at in the middle of the business day - hardly desirable." msgstr "" #. Tag: para #, no-c-format msgid "To specify a date/time that the operation should be relative to, set the operation’s interval-origin. The cluster uses this point to calculate the correct start-delay such that the operation will occur at origin + (interval * N)." msgstr "" #. Tag: para #, no-c-format msgid "So, if the operation’s interval is 24h, it’s interval-origin is set to 02:00 and it is currently 14:32, then the cluster would initiate the operation with a start delay of 11 hours and 28 minutes. If the resource is moved to another node before 2am, then the operation is of course cancelled." msgstr "" #. Tag: para #, no-c-format msgid "The value specified for interval and interval-origin can be any date/time conforming to the ISO8601 standard. By way of example, to specify an operation that would run on the first Monday of 2009 and every Monday after that you would add:" msgstr "" #. Tag: title #, no-c-format msgid "Specifying a Base for Recurring Action Intervals" msgstr "" #. Tag: programlisting #, no-c-format msgid "<op id=\"my-weekly-action\" name=\"custom-action\" interval=\"P7D\" interval-origin=\"2009-W01-1\"/>" msgstr "" #. Tag: title #, no-c-format msgid "Moving Resources" msgstr "" #. Tag: para #, no-c-format msgid " MovingResources Resources ResourceMoving Moving " msgstr "" #. Tag: title #, no-c-format msgid "Manual Intervention" msgstr "" #. Tag: para #, no-c-format msgid "There are primarily two occasions when you would want to move a resource from it’s current location: when the whole node is under maintenance, and when a single resource needs to be moved." msgstr "" #. Tag: para #, no-c-format msgid "Since everything eventually comes down to a score, you could create constraints for every resource to prevent them from running on one node. While the configuration can seem convoluted at times, not even we would require this of administrators." msgstr "" #. Tag: para #, no-c-format msgid "Instead one can set a special node attribute which tells the cluster \"don’t let anything run here\". There is even a helpful tool to help query and set it, called crm_standby. To check the standby status of the current machine, simply run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_standby --get-value" msgstr "" #. Tag: para #, no-c-format msgid "A value of true indicates that the node is NOT able to host any resources, while a value of false says that it CAN." msgstr "" #. Tag: para #, no-c-format msgid "You can also check the status of other nodes in the cluster by specifying the --node-uname option:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_standby --get-value --node-uname sles-2" msgstr "" #. Tag: para #, no-c-format msgid "To change the current node’s standby status, use --attr-value instead of --get-value." msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_standby --attr-value" msgstr "" #. Tag: para #, no-c-format msgid "Again, you can change another host’s value by supplying a host name with --node-uname." msgstr "" #. Tag: para #, no-c-format msgid "When only one resource is required to move, we do this by creating location constraints. However, once again we provide a user friendly shortcut as part of the crm_resource command, which creates and modifies the extra constraints for you. If Email was running on sles-1 and you wanted it moved to a specific location, the command would look something like:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -M -r Email -H sles-2" msgstr "" #. Tag: para #, no-c-format msgid "Behind the scenes, the tool will create the following location constraint:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-2\" score=\"INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "It is important to note that subsequent invocations of crm_resource -M are not cumulative. So, if you ran these commands" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -M -r Email -H sles-2\n" "# crm_resource -M -r Email -H sles-3" msgstr "" #. Tag: para #, no-c-format msgid "then it is as if you had never performed the first command." msgstr "" #. Tag: para #, no-c-format msgid "To allow the resource to move back again, use:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -U -r Email" msgstr "" #. Tag: para #, no-c-format msgid "Note the use of the word allow. The resource can move back to its original location but, depending on resource-stickiness, it might stay where it is. To be absolutely certain that it moves back to sles-1, move it there before issuing the call to crm_resource -U:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -M -r Email -H sles-1\n" "# crm_resource -U -r Email" msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, if you only care that the resource should be moved from its current location, try" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource -M -r Email`" msgstr "" #. Tag: para #, no-c-format msgid "Which will instead create a negative constraint, like" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-1\" score=\"-INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "This will achieve the desired effect, but will also have long-term consequences. As the tool will warn you, the creation of a -INFINITY constraint will prevent the resource from running on that node until crm_resource -U is used. This includes the situation where every other cluster node is no longer available!" msgstr "" #. Tag: para #, no-c-format msgid "In some cases, such as when resource-stickiness is set to INFINITY, it is possible that you will end up with the problem described in . The tool can detect some of these cases and deals with them by also creating both a positive and negative constraint. Eg." msgstr "" #. Tag: para #, no-c-format msgid "Email prefers sles-1 with a score of -INFINITY" msgstr "" #. Tag: para #, no-c-format msgid "Email prefers sles-2 with a score of INFINITY" msgstr "" #. Tag: para #, no-c-format msgid "which has the same long-term consequences as discussed earlier." msgstr "" #. Tag: title #, no-c-format msgid "Moving Resources Due to Failure" msgstr "" #. Tag: para #, no-c-format msgid "New in 1.0 is the concept of a migration threshold. The naming of this option was perhaps unfortunate as it is easily confused with true migration, the process of moving a resource from one node to another without stopping it. Xen virtual guests are the most common example of resources that can be migrated in this manner. " msgstr "" #. Tag: para #, no-c-format msgid "Simply define migration-threshold=N for a resource and it will migrate to a new node after N failures. There is no threshold defined by default. To determine the resource’s current failure status and limits, use crm_mon --failcounts." msgstr "" #. Tag: para #, no-c-format msgid "By default, once the threshold has been reached, this node will no longer be allowed to run the failed resource until the administrator manually resets the resource’s failcount using crm_failcount (after hopefully first fixing the failure’s cause). However it is possible to expire them by setting the resource’s failure-timeout option." msgstr "" #. Tag: para #, no-c-format msgid "So a setting of migration-threshold=2 and failure-timeout=60s would cause the resource to move to a new node after 2 failures, and allow it to move back (depending on the stickiness and constraint scores) after one minute." msgstr "" #. Tag: para #, no-c-format msgid "There are two exceptions to the migration threshold concept; they occur when a resource either fails to start or fails to stop. Start failures cause the failcount to be set to INFINITY and thus always cause the resource to move immediately." msgstr "" #. Tag: para #, no-c-format msgid "Stop failures are slightly different and crucial. If a resource fails to stop and STONITH is enabled, then the cluster will fence the node in order to be able to start the resource elsewhere. If STONITH is not enabled, then the cluster has no way to continue and will not try to start the resource elsewhere, but will try to stop it again after the failure timeout." msgstr "" #. Tag: para #, no-c-format msgid "Please read before enabling this option." msgstr "" #. Tag: title #, no-c-format msgid "Moving Resources Due to Connectivity Changes" msgstr "" #. Tag: para #, no-c-format msgid "Setting up the cluster to move resources when external connectivity is lost is a two-step process." msgstr "" #. Tag: title #, no-c-format msgid "Tell Pacemaker to monitor connectivity" msgstr "" #. Tag: para #, no-c-format msgid "To do this, you need to add a ping resource to the cluster. The ping resource uses the system utility of the same name to a test if list of machines (specified by DNS hostname or IPv4/IPv6 address) are reachable and uses the results to maintain a node attribute normally called pingd. The attribute name is customizable; that allows multiple ping groups to be defined. " msgstr "" #. Tag: para #, no-c-format msgid "Older versions of Heartbeat required users to add ping nodes to ha.cf - this is no longer required." msgstr "" #. Tag: para #, no-c-format msgid "Older versions of Pacemaker used a custom binary called pingd for this functionality; this is now deprecated in favor of ping." msgstr "" #. Tag: para #, no-c-format msgid "If your version of Pacemaker does not contain the ping agent, you can download the latest version from https://github.com/ClusterLabs/pacemaker/tree/master/extra/resources/ping" msgstr "" #. Tag: para #, no-c-format msgid "Normally the resource will run on all cluster nodes, which means that you’ll need to create a clone. A template for this can be found below along with a description of the most interesting parameters." msgstr "" #. Tag: title #, no-c-format msgid "Common Options for a ping Resource" msgstr "" #. Tag: para #, no-c-format msgid "dampen" msgstr "" #. Tag: para #, no-c-format msgid "The time to wait (dampening) for further changes to occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times. dampenPing Resource Option Ping Resource Option Ping ResourceOptiondampen Optiondampen dampen " msgstr "" #. Tag: para #, no-c-format msgid "multiplier" msgstr "" #. Tag: para #, no-c-format msgid "The number of connected ping nodes gets multiplied by this value to get a score. Useful when there are multiple ping nodes configured. multiplierPing Resource Option Ping Resource Option Ping ResourceOptionmultiplier Optionmultiplier multiplier " msgstr "" #. Tag: para #, no-c-format msgid "host_list" msgstr "" #. Tag: para #, no-c-format msgid "The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS host names, IPv4 and IPv6 addresses. host_listPing Resource Option Ping Resource Option Ping ResourceOptionhost_list Optionhost_list host_list " msgstr "" #. Tag: title #, no-c-format msgid "An example ping cluster resource that checks node connectivity once every minute" msgstr "" #. Tag: programlisting #, no-c-format msgid "<clone id=\"Connected\">\n" " <primitive id=\"ping\" provider=\"pacemaker\" class=\"ocf\" type=\"ping\">\n" " <instance_attributes id=\"ping-attrs\">\n" " <nvpair id=\"pingd-dampen\" name=\"dampen\" value=\"5s\"/>\n" " <nvpair id=\"pingd-multiplier\" name=\"multiplier\" value=\"1000\"/>\n" " <nvpair id=\"pingd-hosts\" name=\"host_list\" value=\"my.gateway.com www.bigcorp.com\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ping-monitor-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" "</clone>" msgstr "" #. Tag: para #, no-c-format msgid "You’re only half done. The next section deals with telling Pacemaker how to deal with the connectivity status that ocf:pacemaker:ping is recording." msgstr "" #. Tag: title #, no-c-format msgid "Tell Pacemaker how to interpret the connectivity data" msgstr "" #. Tag: para #, no-c-format msgid "Before reading the following, please make sure you have read and understood above." msgstr "" #. Tag: para #, no-c-format msgid "There are a number of ways to use the connectivity data provided by Heartbeat. The most common setup is for people to have a single ping node, to prevent the cluster from running a resource on any unconnected node." msgstr "" #. Tag: title #, no-c-format msgid "Don’t run on unconnected nodes" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"WebServer-no-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"not_defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: para #, no-c-format msgid "A more complex setup is to have a number of ping nodes configured. You can require the cluster to only run resources on nodes that can connect to all (or a minimum subset) of them." msgstr "" #. Tag: title #, no-c-format msgid "Run only on nodes connected to three or more ping nodes; this assumes multiplier is set to 1000:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: para #, no-c-format msgid "Instead you can tell the cluster only to prefer nodes with the best connectivity. Just be sure to set multiplier to a value higher than that of resource-stickiness (and don’t set either of them to INFINITY)." msgstr "" #. Tag: title #, no-c-format msgid "Prefer the node with the most connected ping nodes" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: para #, no-c-format msgid "It is perhaps easier to think of this in terms of the simple constraints that the cluster translates it into. For example, if sles-1 is connected to all 5 ping nodes but sles-2 is only connected to 2, then it would be as if you instead had the following constraints in your configuration:" msgstr "" #. Tag: title #, no-c-format msgid "How the cluster translates the pingd constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"ping-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"5000\"/>\n" "<rsc_location id=\"ping-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"2000\"/>" msgstr "" #. Tag: para #, no-c-format msgid "The advantage is that you don’t have to manually update any constraints whenever your network connectivity changes." msgstr "" #. Tag: para #, no-c-format msgid "You can also combine the concepts above into something even more complex. The example below shows how you can prefer the node with the most connected ping nodes provided they have connectivity to at least three (again assuming that multiplier is set to 1000)." msgstr "" #. Tag: title #, no-c-format msgid "A more complex example of choosing a location based on connectivity" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: title #, no-c-format msgid "Resource Migration" msgstr "" #. Tag: para #, no-c-format msgid "Some resources, such as Xen virtual guests, are able to move to another location without loss of state. We call this resource migration; this is different from the normal practice of stopping the resource on the first machine and starting it elsewhere." msgstr "" #. Tag: para #, no-c-format msgid "Not all resources are able to migrate, see the Migration Checklist below, and those that can, won’t do so in all situations. Conceptually there are two requirements from which the other prerequisites follow:" msgstr "" #. Tag: para #, no-c-format msgid "the resource must be active and healthy at the old location" msgstr "" #. Tag: para #, no-c-format msgid "everything required for the resource to run must be available on both the old and new locations" msgstr "" #. Tag: para #, no-c-format msgid "The cluster is able to accommodate both push and pull migration models by requiring the resource agent to support two new actions: migrate_to (performed on the current location) and migrate_from (performed on the destination)." msgstr "" #. Tag: para #, no-c-format msgid "In push migration, the process on the current location transfers the resource to the new location where is it later activated. In this scenario, most of the work would be done in the migrate_to action and, if anything, the activation would occur during migrate_from." msgstr "" #. Tag: para #, no-c-format msgid "Conversely for pull, the migrate_to action is practically empty and migrate_from does most of the work, extracting the relevant resource state from the old location and activating it." msgstr "" #. Tag: para #, no-c-format msgid "There is no wrong or right way to implement migration for your service, as long as it works." msgstr "" #. Tag: title #, no-c-format msgid "Migration Checklist" msgstr "" #. Tag: para #, no-c-format msgid "The resource may not be a clone." msgstr "" #. Tag: para #, no-c-format msgid "The resource must use an OCF style agent." msgstr "" #. Tag: para #, no-c-format msgid "The resource must not be in a failed or degraded state." msgstr "" #. Tag: para #, no-c-format msgid "The resource must not, directly or indirectly, depend on any primitive or group resources." msgstr "" #. Tag: para #, no-c-format msgid "The resource must support two new actions: migrate_to and migrate_from, and advertise them in its metadata." msgstr "" #. Tag: para #, no-c-format msgid "The resource must have the allow-migrate meta-attribute set to true (which is not the default)." msgstr "" #. Tag: para #, no-c-format msgid "If the resource depends on a clone, and at the time the resource needs to be move, the clone has instances that are stopping and instances that are starting, then the resource will be moved in the traditional manner. The Policy Engine is not yet able to model this situation correctly and so takes the safe (yet less optimal) path." msgstr "" #. Tag: title #, no-c-format msgid "Reusing Rules, Options and Sets of Operations" msgstr "" #. Tag: para #, no-c-format msgid "Sometimes a number of constraints need to use the same set of rules, and resources need to set the same options and parameters. To simplify this situation, you can refer to an existing object using an id-ref instead of an id." msgstr "" #. Tag: para #, no-c-format msgid "So if for one resource you have" msgstr "" #. Tag: para #, no-c-format msgid "Then instead of duplicating the rule for all your other resources, you can instead specify:" msgstr "" #. Tag: title #, no-c-format msgid "Referencing rules from other constraints" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"WebDB-connectivity\" rsc=\"WebDB\">\n" " <rule id-ref=\"ping-prefer-rule\"/>\n" "</rsc_location>" msgstr "" #. Tag: para #, no-c-format msgid "The cluster will insist that the rule exists somewhere. Attempting to add a reference to a non-existing rule will cause a validation failure, as will attempting to remove a rule that is referenced elsewhere." msgstr "" #. Tag: para #, no-c-format msgid "The same principle applies for meta_attributes and instance_attributes as illustrated in the example below:" msgstr "" #. Tag: title #, no-c-format msgid "Referencing attributes, options, and operations from other resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"mySpecialRsc-attrs\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"mySpecialRsc-options\">\n" " <nvpair id=\"failure-timeout\" name=\"failure-timeout\" value=\"5m\"/>\n" " <nvpair id=\"migration-threshold\" name=\"migration-threshold\" value=\"1\"/>\n" " <nvpair id=\"stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" " <operations id=\"health-checks\">\n" " <op id=\"health-check\" name=\"monitor\" interval=\"60s\"/>\n" " <op id=\"health-check\" name=\"monitor\" interval=\"30min\"/>\n" " </operations>\n" "</primitive>\n" "<primitive id=\"myOtherlRsc\" class=\"ocf\" type=\"Other\" provider=\"me\">\n" " <instance_attributes id-ref=\"mySpecialRsc-attrs\"/>\n" " <meta_attributes id-ref=\"mySpecialRsc-options\"/>\n" " <operations id-ref=\"health-checks\"/>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Reloading Services After a Definition Change" msgstr "" #. Tag: para #, no-c-format msgid "The cluster automatically detects changes to the definition of services it manages. However, the normal response is to stop the service (using the old definition) and start it again (with the new definition). This works well, but some services are smarter and can be told to use a new set of options without restarting." msgstr "" #. Tag: para #, no-c-format msgid "To take advantage of this capability, your resource agent must:" msgstr "" #. Tag: para #, no-c-format msgid "Accept the reload operation and perform any required actions. The steps required here depend completely on your application!" msgstr "" #. Tag: title #, no-c-format msgid "The DRBD Agent’s Control logic for Supporting the reload Operation" msgstr "" #. Tag: programlisting #, no-c-format msgid "case $1 in\n" " start)\n" " drbd_start\n" " ;;\n" " stop)\n" " drbd_stop\n" " ;;\n" " reload)\n" " drbd_reload\n" " ;;\n" " monitor)\n" " drbd_monitor\n" " ;;\n" " *)\n" " drbd_usage\n" " exit $OCF_ERR_UNIMPLEMENTED\n" " ;;\n" "esac\n" "exit $?" msgstr "" #. Tag: para #, no-c-format msgid "Advertise the reload operation in the actions section of its metadata" msgstr "" #. Tag: title #, no-c-format msgid "The DRBD Agent Advertising Support for the reload Operation" msgstr "" #. Tag: programlisting #, no-c-format msgid "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"drbd\">\n" " <version>1.1</version>\n" "\n" " <longdesc>\n" " Master/Slave OCF Resource Agent for DRBD\n" " </longdesc>\n" "\n" " ...\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"240\" />\n" " <action name=\"reload\" timeout=\"240\" />\n" " <action name=\"promote\" timeout=\"90\" />\n" " <action name=\"demote\" timeout=\"90\" />\n" " <action name=\"notify\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" #. Tag: para #, no-c-format msgid "Advertise one or more parameters that can take effect using reload." msgstr "" #. Tag: para #, no-c-format msgid "Any parameter with the unique set to 0 is eligible to be used in this way." msgstr "" #. Tag: title #, no-c-format msgid "Parameter that can be changed using reload" msgstr "" #. Tag: programlisting #, no-c-format msgid "<parameter name=\"drbdconf\" unique=\"0\">\n" " <longdesc>Full path to the drbd.conf file.</longdesc>\n" " <shortdesc>Path to drbd.conf</shortdesc>\n" " <content type=\"string\" default=\"${OCF_RESKEY_drbdconf_default}\"/>\n" "</parameter>" msgstr "" #. Tag: para #, no-c-format msgid "Once these requirements are satisfied, the cluster will automatically know to reload the resource (instead of restarting) when a non-unique fields changes." msgstr "" #. Tag: para #, no-c-format msgid "The metadata is re-read when the resource is started. This may mean that the resource will be restarted the first time, even though you changed a parameter with unique=0" msgstr "" #. Tag: para #, no-c-format msgid "If both a unique and non-unique field are changed simultaneously, the resource will still be restarted." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Advanced-Resources.pot000066400000000000000000001551171217637305600263040ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-10-17T05:19:01\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Resource Types" msgstr "" #. Tag: title #, no-c-format msgid "Groups - A Syntactic Shortcut" msgstr "" #. Tag: para #, no-c-format msgid " Group Resources ResourcesGroups Groups " msgstr "" #. Tag: para #, no-c-format msgid "One of the most common elements of a cluster is a set of resources that need to be located together, start sequentially, and stop in the reverse order. To simplify this configuration we support the concept of groups." msgstr "" #. Tag: title #, no-c-format msgid "An example group" msgstr "" #. Tag: programlisting #, no-c-format msgid "<group id=\"shortcut\">\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </group>" msgstr "" #. Tag: para #, no-c-format msgid "Although the example above contains only two resources, there is no limit to the number of resources a group can contain. The example is also sufficient to explain the fundamental properties of a group:" msgstr "" #. Tag: para #, no-c-format msgid "Resources are started in the order they appear in (Public-IP first, then Email)" msgstr "" #. Tag: para #, no-c-format msgid "Resources are stopped in the reverse order to which they appear in (Email first, then Public-IP)" msgstr "" #. Tag: para #, no-c-format msgid "If a resource in the group can’t run anywhere, then nothing after that is allowed to run, too." msgstr "" #. Tag: para #, no-c-format msgid "If Public-IP can’t run anywhere, neither can Email;" msgstr "" #. Tag: para #, no-c-format msgid "but if Email can’t run anywhere, this does not affect Public-IP in any way" msgstr "" #. Tag: para #, no-c-format msgid "The group above is logically equivalent to writing:" msgstr "" #. Tag: title #, no-c-format msgid "How the cluster sees a group resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<configuration>\n" " <resources>\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"xxx\" rsc=\"Email\" with-rsc=\"Public-IP\" score=\"INFINITY\"/>\n" " <rsc_order id=\"yyy\" first=\"Public-IP\" then=\"Email\"/>\n" " </constraints>\n" "</configuration>" msgstr "" #. Tag: para #, no-c-format msgid "Obviously as the group grows bigger, the reduced configuration effort can become significant." msgstr "" #. Tag: para #, no-c-format msgid "Another (typical) example of a group is a DRBD volume, the filesystem mount, an IP address, and an application that uses them." msgstr "" #. Tag: title #, no-c-format msgid "Group Properties" msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Group Resource" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the group idGroup Resource Property Group Resource Property ResourceGroup Propertyid Group Propertyid id " msgstr "" #. Tag: title #, no-c-format msgid "Group Options" msgstr "" #. Tag: para #, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "" #. Tag: title #, no-c-format msgid "Group Instance Attributes" msgstr "" #. Tag: para #, no-c-format msgid "Groups have no instance attributes, however any that are set here will be inherited by the group’s children." msgstr "" #. Tag: title #, no-c-format msgid "Group Contents" msgstr "" #. Tag: para #, no-c-format msgid "Groups may only contain a collection of cluster resources. To refer to the child of a group resource, just use the child’s id instead of the group’s." msgstr "" #. Tag: title #, no-c-format msgid "Group Constraints" msgstr "" #. Tag: para #, no-c-format msgid "Although it is possible to reference the group’s children in constraints, it is usually preferable to use the group’s name instead." msgstr "" #. Tag: title #, no-c-format msgid "Example constraints involving groups" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"group-prefers-node1\" rsc=\"shortcut\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"webserver-with-group\" rsc=\"Webserver\" with-rsc=\"shortcut\"/>\n" " <rsc_order id=\"start-group-then-webserver\" first=\"Webserver\" then=\"shortcut\"/>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Group Stickiness" msgstr "" #. Tag: para #, no-c-format msgid " resource-stickinessGroups Groups " msgstr "" #. Tag: para #, no-c-format msgid "Stickiness, the measure of how much a resource wants to stay where it is, is additive in groups. Every active resource of the group will contribute its stickiness value to the group’s total. So if the default resource-stickiness is 100, and a group has seven members, five of which are active, then the group as a whole will prefer its current location with a score of 500." msgstr "" #. Tag: title #, no-c-format msgid "Clones - Resources That Get Active on Multiple Hosts" msgstr "" #. Tag: para #, no-c-format msgid " Clone Resources ResourcesClones Clones " msgstr "" #. Tag: para #, no-c-format msgid "Clones were initially conceived as a convenient way to start N instances of an IP resource and have them distributed throughout the cluster for load balancing. They have turned out to quite useful for a number of purposes including integrating with Red Hat’s DLM, the fencing subsystem, and OCFS2." msgstr "" #. Tag: para #, no-c-format msgid "You can clone any resource, provided the resource agent supports it." msgstr "" #. Tag: para #, no-c-format msgid "Three types of cloned resources exist:" msgstr "" #. Tag: para #, no-c-format msgid "Anonymous" msgstr "" #. Tag: para #, no-c-format msgid "Globally Unique" msgstr "" #. Tag: para #, no-c-format msgid "Stateful" msgstr "" #. Tag: para #, no-c-format msgid "Anonymous clones are the simplest type. These resources behave completely identically everywhere they are running. Because of this, there can only be one copy of an anonymous clone active per machine." msgstr "" #. Tag: para #, no-c-format msgid "Globally unique clones are distinct entities. A copy of the clone running on one machine is not equivalent to another instance on another node. Nor would any two copies on the same node be equivalent." msgstr "" #. Tag: para #, no-c-format msgid "Stateful clones are covered later in ." msgstr "" #. Tag: title #, no-c-format msgid "An example clone" msgstr "" #. Tag: programlisting #, no-c-format msgid "<clone id=\"apache-clone\">\n" " <meta_attributes id=\"apache-clone-meta\">\n" " <nvpair id=\"apache-unique\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"apache\" class=\"lsb\" type=\"apache\"/>\n" "</clone>" msgstr "" #. Tag: title #, no-c-format msgid "Clone Properties" msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Clone Resource" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the clone idClone Property Clone Property ClonePropertyid Propertyid id " msgstr "" #. Tag: title #, no-c-format msgid "Clone Options" msgstr "" #. Tag: title #, no-c-format msgid "Clone specific configuration options" msgstr "" #. Tag: para #, no-c-format msgid "clone-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource to start. Defaults to the number of nodes in the cluster. clone-maxClone Option Clone Option CloneOptionclone-max Optionclone-max clone-max " msgstr "" #. Tag: para #, no-c-format msgid "clone-node-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource can be started on a single node; default 1. clone-node-maxClone Option Clone Option CloneOptionclone-node-max Optionclone-node-max clone-node-max " msgstr "" #. Tag: para #, no-c-format msgid "notify" msgstr "" #. Tag: para #, no-c-format msgid "When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: false, true notifyClone Option Clone Option CloneOptionnotify Optionnotify notify " msgstr "" #. Tag: para #, no-c-format msgid "globally-unique" msgstr "" #. Tag: para #, no-c-format msgid "Does each copy of the clone perform a different function? Allowed values: false, true globally-uniqueClone Option Clone Option CloneOptionglobally-unique Optionglobally-unique globally-unique " msgstr "" #. Tag: para #, no-c-format msgid "ordered" msgstr "" #. Tag: para #, no-c-format msgid "Should the copies be started in series (instead of in parallel). Allowed values: false, true orderedClone Option Clone Option CloneOptionordered Optionordered ordered " msgstr "" #. Tag: para #, no-c-format msgid "interleave" msgstr "" #. Tag: para #, no-c-format msgid "Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: false, true interleaveClone Option Clone Option CloneOptioninterleave Optioninterleave interleave " msgstr "" #. Tag: title #, no-c-format msgid "Clone Instance Attributes" msgstr "" #. Tag: para #, no-c-format msgid "Clones have no instance attributes; however, any that are set here will be inherited by the clone’s children." msgstr "" #. Tag: title #, no-c-format msgid "Clone Contents" msgstr "" #. Tag: para #, no-c-format msgid "Clones must contain exactly one group or one regular resource." msgstr "" #. Tag: para #, no-c-format msgid "You should never reference the name of a clone’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "" #. Tag: title #, no-c-format msgid "Clone Constraints" msgstr "" #. Tag: para #, no-c-format msgid "In most cases, a clone will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the clone’s id is used." msgstr "" #. Tag: para #, no-c-format msgid "Ordering constraints behave slightly differently for clones. In the example below, apache-stats will wait until all copies of the clone that need to be started have done so before being started itself. Only if no copies can be started apache-stats will be prevented from being active. Additionally, the clone will wait for apache-stats to be stopped before stopping the clone." msgstr "" #. Tag: para #, no-c-format msgid "Colocation of a regular (or group) resource with a clone means that the resource can run on any machine with an active copy of the clone. The cluster will choose a copy based on where the clone is running and the resource’s own location preferences." msgstr "" #. Tag: para #, no-c-format msgid "Colocation between clones is also possible. In such cases, the set of allowed locations for the clone is limited to nodes on which the clone is (or will be) active. Allocation is then performed as normally." msgstr "" #. Tag: title #, no-c-format msgid "Example constraints involving clones" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"clone-prefers-node1\" rsc=\"apache-clone\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"stats-with-clone\" rsc=\"apache-stats\" with=\"apache-clone\"/>\n" " <rsc_order id=\"start-clone-then-stats\" first=\"apache-clone\" then=\"apache-stats\"/>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Clone Stickiness" msgstr "" #. Tag: para #, no-c-format msgid " resource-stickinessClones Clones " msgstr "" #. Tag: para #, no-c-format msgid "To achieve a stable allocation pattern, clones are slightly sticky by default. If no value for resource-stickiness is provided, the clone will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "" #. Tag: title #, no-c-format msgid "Clone Resource Agent Requirements" msgstr "" #. Tag: para #, no-c-format msgid "Any resource can be used as an anonymous clone, as it requires no additional support from the resource agent. Whether it makes sense to do so depends on your resource and its resource agent." msgstr "" #. Tag: para #, no-c-format msgid "Globally unique clones do require some additional support in the resource agent. In particular, it must only respond with other probes for instances of the clone should result in they should return one of the other OCF error codes." msgstr "" #. Tag: para #, no-c-format msgid "Copies of a clone are identified by appending a colon and a numerical offset, eg. apache:2." msgstr "" #. Tag: para #, no-c-format msgid "Resource agents can find out how many copies there are by examining the OCF_RESKEY_CRM_meta_clone_max environment variable and which copy it is by examining OCF_RESKEY_CRM_meta_clone." msgstr "" #. Tag: para #, no-c-format msgid "You should not make any assumptions (based on OCF_RESKEY_CRM_meta_clone) about which copies are active. In particular, the list of active copies will not always be an unbroken sequence, nor always start at 0." msgstr "" #. Tag: title #, no-c-format msgid "Clone Notifications" msgstr "" #. Tag: para #, no-c-format msgid "Supporting notifications requires the notify action to be implemented. Once supported, the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "" #. Tag: title #, no-c-format msgid "Environment variables supplied with Clone notify actions" msgstr "" #. Tag: entry #, no-c-format msgid "Variable" msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_type" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: pre, post Environment VariableOCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type type typeNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_operation" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: start, stop Environment VariableOCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation operation operationNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource start_resource start_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources will be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname start_uname start_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources will be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname stop_uname stop_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname active_uname active_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname inactive_uname inactive_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "The variables come in pairs, such as OCF_RESKEY_CRM_meta_notify_start_resource and OCF_RESKEY_CRM_meta_notify_start_uname and should be treated as an array of whitespace separated elements." msgstr "" #. Tag: para #, no-c-format msgid "Thus in order to indicate that clone:0 will be started on sles-1, clone:2 will be started on sles-3, and clone:3 will be started on sles-2, the cluster would set" msgstr "" #. Tag: title #, no-c-format msgid "Example notification variables" msgstr "" #. Tag: programlisting #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_resource=\"clone:0 clone:2 clone:3\"\n" "OCF_RESKEY_CRM_meta_notify_start_uname=\"sles-1 sles-3 sles-2\"" msgstr "" #. Tag: title #, no-c-format msgid "Proper Interpretation of Notification Environment Variables" msgstr "" #. Tag: title #, no-c-format msgid "Pre-notification (stop):" msgstr "" #. Tag: para #, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "" #. Tag: para #, no-c-format msgid "Inactive resources: $OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (stop) / Pre-notification (start):" msgstr "" #. Tag: para #, no-c-format msgid "Active resources" msgstr "" #. Tag: para #, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "" #. Tag: para #, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: para #, no-c-format msgid "Inactive resources" msgstr "" #. Tag: para #, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "" #. Tag: para #, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that were started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that were stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (start):" msgstr "" #. Tag: para #, no-c-format msgid "Active resources:" msgstr "" #. Tag: para #, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "" #. Tag: para #, no-c-format msgid "Inactive resources:" msgstr "" #. Tag: para #, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "" #. Tag: title #, no-c-format msgid "Multi-state - Resources That Have Multiple Modes" msgstr "" #. Tag: para #, no-c-format msgid " Multi-state Resources ResourcesMulti-state Multi-state " msgstr "" #. Tag: para #, no-c-format msgid "Multi-state resources are a specialization of Clone resources; please ensure you understand the section on clones before continuing! They allow the instances to be in one of two operating modes; these are called Master and Slave, but can mean whatever you wish them to mean. The only limitation is that when an instance is started, it must come up in the Slave state." msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Properties" msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Multi-State Resource" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the multi-state resource idMulti-State Property Multi-State Property Multi-StatePropertyid Propertyid id " msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Options" msgstr "" #. Tag: para #, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "" #. Tag: para #, no-c-format msgid "Options inherited from clone resources: clone-max, clone-node-max, notify, globally-unique, ordered, interleave" msgstr "" #. Tag: title #, no-c-format msgid "Multi-state specific resource configuration options" msgstr "" #. Tag: para #, no-c-format msgid "master-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource can be promoted to master status; default 1. master-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-max Optionmaster-max master-max " msgstr "" #. Tag: para #, no-c-format msgid "master-node-max" msgstr "" #. Tag: para #, no-c-format msgid "How many copies of the resource can be promoted to master status on a single node; default 1. master-node-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-node-max Optionmaster-node-max master-node-max " msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Instance Attributes" msgstr "" #. Tag: para #, no-c-format msgid "Multi-state resources have no instance attributes; however, any that are set here will be inherited by master’s children." msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Contents" msgstr "" #. Tag: para #, no-c-format msgid "Masters must contain exactly one group or one regular resource." msgstr "" #. Tag: para #, no-c-format msgid "You should never reference the name of a master’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "" #. Tag: title #, no-c-format msgid "Monitoring Multi-State Resources" msgstr "" #. Tag: para #, no-c-format msgid "The normal type of monitor actions are not sufficient to monitor a multi-state resource in the Master state. To detect failures of the Master instance, you need to define an additional monitor action with role=\"Master\"." msgstr "" #. Tag: para #, no-c-format msgid "It is crucial that every monitor operation has a different interval!" msgstr "" #. Tag: para #, no-c-format msgid "This is because Pacemaker currently differentiates between operations only by resource and interval; so if eg. a master/slave resource has the same monitor interval for both roles, Pacemaker would ignore the role when checking the status - which would cause unexpected return codes, and therefore unnecessary complications." msgstr "" #. Tag: title #, no-c-format msgid "Monitoring both states of a multi-state resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<master id=\"myMasterRsc\">\n" " <primitive id=\"myRsc\" class=\"ocf\" type=\"myApp\" provider=\"myCorp\">\n" " <operations>\n" " <op id=\"public-ip-slave-check\" name=\"monitor\" interval=\"60\"/>\n" " <op id=\"public-ip-master-check\" name=\"monitor\" interval=\"61\" role=\"Master\"/>\n" " </operations>\n" " </primitive>\n" "</master>" msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Constraints" msgstr "" #. Tag: para #, no-c-format msgid "In most cases, a multi-state resources will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the master’s id is used." msgstr "" #. Tag: para #, no-c-format msgid "When considering multi-state resources in constraints, for most purposes it is sufficient to treat them as clones. The exception is when the rsc-role and/or with-rsc-role fields (for colocation constraints) and first-action and/or then-action fields (for ordering constraints) are used." msgstr "" #. Tag: title #, no-c-format msgid "Additional constraint options relevant to multi-state resources" msgstr "" #. Tag: para #, no-c-format msgid "rsc-role" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that rsc must be in. Allowed values: Started, Master, Slave. rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingrsc-role Orderingrsc-role rsc-role " msgstr "" #. Tag: para #, no-c-format msgid "with-rsc-role" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that with-rsc must be in. Allowed values: Started, Master, Slave. with-rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingwith-rsc-role Orderingwith-rsc-role with-rsc-role " msgstr "" #. Tag: para #, no-c-format msgid "first-action" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the first resource must complete before executing the specified action for the then resource. Allowed values: start, stop, promote, demote. first-actionOrdering Constraints Ordering Constraints ConstraintsOrderingfirst-action Orderingfirst-action first-action " msgstr "" #. Tag: para #, no-c-format msgid "then-action" msgstr "" #. Tag: para #, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the then resource can only execute after the first-action on the first resource has completed. Allowed values: start, stop, promote, demote. Defaults to the value (specified or implied) of first-action. then-actionOrdering Constraints Ordering Constraints ConstraintsOrderingthen-action Orderingthen-action then-action " msgstr "" #. Tag: para #, no-c-format msgid "In the example below, myApp will wait until one of the database copies has been started and promoted to master before being started itself. Only if no copies can be promoted will apache-stats be prevented from being active. Additionally, the database will wait for myApp to be stopped before it is demoted." msgstr "" #. Tag: title #, no-c-format msgid "Example constraints involving multi-state resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"db-prefers-node1\" rsc=\"database\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"backup-with-db-slave\" rsc=\"backup\"\n" " with-rsc=\"database\" with-rsc-role=\"Slave\"/>\n" " <rsc_colocation id=\"myapp-with-db-master\" rsc=\"myApp\"\n" " with-rsc=\"database\" with-rsc-role=\"Master\"/>\n" " <rsc_order id=\"start-db-before-backup\" first=\"database\" then=\"backup\"/>\n" " <rsc_order id=\"promote-db-then-app\" first=\"database\" first-action=\"promote\"\n" " then=\"myApp\" then-action=\"start\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Colocation of a regular (or group) resource with a multi-state resource means that it can run on any machine with an active copy of the multi-state resource that is in the specified state (Master or Slave). In the example, the cluster will choose a location based on where database is running as a Master, and if there are multiple Master instances it will also factor in myApp's own location preferences when deciding which location to choose." msgstr "" #. Tag: para #, no-c-format msgid "Colocation with regular clones and other multi-state resources is also possible. In such cases, the set of allowed locations for the rsc clone is (after role filtering) limited to nodes on which the with-rsc multi-state resource is (or will be) in the specified role. Allocation is then performed as-per-normal." msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Stickiness" msgstr "" #. Tag: para #, no-c-format msgid " resource-stickinessMulti-State Multi-State To achieve a stable allocation pattern, multi-state resources are slightly sticky by default. If no value for resource-stickiness is provided, the multi-state resource will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "" #. Tag: title #, no-c-format msgid "Which Resource Instance is Promoted" msgstr "" #. Tag: para #, no-c-format msgid "During the start operation, most Resource Agent scripts should call the crm_master utility. This tool automatically detects both the resource and host and should be used to set a preference for being promoted. Based on this, master-max, and master-node-max, the instance(s) with the highest preference will be promoted." msgstr "" #. Tag: para #, no-c-format msgid "The other alternative is to create a location constraint that indicates which nodes are most preferred as masters." msgstr "" #. Tag: title #, no-c-format msgid "Manually specifying which node should be promoted" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"master-location\" rsc=\"myMasterRsc\">\n" " <rule id=\"master-rule\" score=\"100\" role=\"Master\">\n" " <expression id=\"master-exp\" attribute=\"#uname\" operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Resource Agent Requirements" msgstr "" #. Tag: para #, no-c-format msgid "Since multi-state resources are an extension of cloned resources, all the requirements of Clones are also requirements of multi-state resources. Additionally, multi-state resources require two extra actions: demote and promote; these actions are responsible for changing the state of the resource. Like start and stop, they should return OCF_SUCCESS if they completed successfully or a relevant error code if they did not." msgstr "" #. Tag: para #, no-c-format msgid "The states can mean whatever you wish, but when the resource is started, it must come up in the mode called Slave. From there the cluster will then decide which instances to promote to Master." msgstr "" #. Tag: para #, no-c-format msgid "In addition to the Clone requirements for monitor actions, agents must also accurately report which state they are in. The cluster relies on the agent to report its status (including role) accurately and does not indicate to the agent what role it currently believes it to be in." msgstr "" #. Tag: title #, no-c-format msgid "Role implications of OCF return codes" msgstr "" #. Tag: entry #, no-c-format msgid "Monitor Return Code" msgstr "" #. Tag: para #, no-c-format msgid "OCF_NOT_RUNNING" msgstr "" #. Tag: para #, no-c-format msgid "Stopped Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "" #. Tag: para #, no-c-format msgid "Running (Slave) Return CodeOCF_SUCCESS OCF_SUCCESS " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "" #. Tag: para #, no-c-format msgid "Running (Master) Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "OCF_FAILED_MASTER" msgstr "" #. Tag: para #, no-c-format msgid "Failed (Master) Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "Other" msgstr "" #. Tag: para #, no-c-format msgid "Failed (Slave)" msgstr "" #. Tag: title #, no-c-format msgid "Multi-state Notifications" msgstr "" #. Tag: para #, no-c-format msgid "Like clones, supporting notifications requires the notify action to be implemented. Once supported the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "" #. Tag: title #, no-c-format msgid "Environment variables supplied with Master notify actions Emphasized variables are specific to Master resources and all behave in the same manner as described for Clone resources." msgstr "" #. Tag: para #, no-c-format msgid "Resources the that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "Resources the that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_resource OCF_RESKEY_CRM_meta_notify_master_resource master_resource master_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_resource OCF_RESKEY_CRM_meta_notify_slave_resource slave_resource slave_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid " Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be stopped" msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be promoted Environment VariableOCF_RESKEY_CRM_meta_notify_promote_resource OCF_RESKEY_CRM_meta_notify_promote_resource promote_resource promote_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_resource OCF_RESKEY_CRM_meta_notify_demote_resource demote_resource demote_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources will be promote Environment VariableOCF_RESKEY_CRM_meta_notify_promote_uname OCF_RESKEY_CRM_meta_notify_promote_uname promote_uname promote_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources will be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_uname OCF_RESKEY_CRM_meta_notify_demote_uname demote_uname demote_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_uname OCF_RESKEY_CRM_meta_notify_master_uname master_uname master_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_uname" msgstr "" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_uname OCF_RESKEY_CRM_meta_notify_slave_uname slave_uname slave_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: title #, no-c-format msgid "Multi-state - Proper Interpretation of Notification Environment Variables" msgstr "" #. Tag: title #, no-c-format msgid "Pre-notification (demote):" msgstr "" #. Tag: para #, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "" #. Tag: para #, no-c-format msgid "Master resources: $OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "" #. Tag: para #, no-c-format msgid "Slave resources: $OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources to be demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (demote) / Pre-notification (stop):" msgstr "" #. Tag: para #, no-c-format msgid "Master resources:" msgstr "" #. Tag: para #, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "" #. Tag: para #, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that were demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (stop) / Pre-notification (start)" msgstr "" #. Tag: para #, no-c-format msgid "Active resources:" msgstr "" #. Tag: para #, no-c-format msgid "Slave resources:" msgstr "" #. Tag: para #, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (start) / Pre-notification (promote)" msgstr "" #. Tag: title #, no-c-format msgid "Post-notification (promote)" msgstr "" #. Tag: para #, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "" #. Tag: para #, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "" #. Tag: para #, no-c-format msgid "Resources that were promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Basics.pot000066400000000000000000000453331217637305600240310ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Basics" msgstr "" #. Tag: title #, no-c-format msgid "Configuration Layout" msgstr "" #. Tag: para #, no-c-format msgid "The cluster is written using XML notation and divided into two main sections: configuration and status." msgstr "" #. Tag: para #, no-c-format msgid "The status section contains the history of each resource on each node and based on this data, the cluster can construct the complete current state of the cluster. The authoritative source for the status section is the local resource manager (lrmd) process on each cluster node and the cluster will occasionally repopulate the entire section. For this reason it is never written to disk and administrators are advised against modifying it in any way." msgstr "" #. Tag: para #, no-c-format msgid "The configuration section contains the more traditional information like cluster options, lists of resources and indications of where they should be placed. The configuration section is the primary focus of this document." msgstr "" #. Tag: para #, no-c-format msgid "The configuration section itself is divided into four parts:" msgstr "" #. Tag: para #, no-c-format msgid "Configuration options (called crm_config)" msgstr "" #. Tag: para #, no-c-format msgid "Nodes" msgstr "" #. Tag: para #, no-c-format msgid "Resources" msgstr "" #. Tag: para #, no-c-format msgid "Resource relationships (called constraints)" msgstr "" #. Tag: title #, no-c-format msgid "An empty configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid " <cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>" msgstr "" #. Tag: title #, no-c-format msgid "The Current State of the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "Before one starts to configure a cluster, it is worth explaining how to view the finished product. For this purpose we have created the crm_mon utility that will display the current state of an active cluster. It can show the cluster status by node or by resource and can be used in either single-shot or dynamically-updating mode. There are also modes for displaying a list of the operations performed (grouped by node and resource) as well as information about failures." msgstr "" #. Tag: para #, no-c-format msgid "Using this tool, you can examine the state of the cluster for irregularities and see how it responds when you cause or simulate failures." msgstr "" #. Tag: para #, no-c-format msgid "Details on all the available options can be obtained using the crm_mon --help command." msgstr "" #. Tag: title #, no-c-format msgid "Sample output from crm_mon" msgstr "" #. Tag: screen #, no-c-format msgid " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3" msgstr "" #. Tag: title #, no-c-format msgid "Sample output from crm_mon -n" msgstr "" #. Tag: screen #, no-c-format msgid " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" "\n" " Resource Group: group-1\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " Clone Set: DoFencing\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3\n" " child_DoFencing:1 (stonith:external/vmware): Stopped\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1" msgstr "" #. Tag: para #, no-c-format msgid "The DC (Designated Controller) node is where all the decisions are made and if the current DC fails a new one is elected from the remaining cluster nodes. The choice of DC is of no significance to an administrator beyond the fact that its logs will generally be more interesting." msgstr "" #. Tag: title #, no-c-format msgid "How Should the Configuration be Updated?" msgstr "" #. Tag: para #, no-c-format msgid "There are three basic rules for updating the cluster configuration:" msgstr "" #. Tag: para #, no-c-format msgid "Rule 1 - Never edit the cib.xml file manually. Ever. I’m not making this up." msgstr "" #. Tag: para #, no-c-format msgid "Rule 2 - Read Rule 1 again." msgstr "" #. Tag: para #, no-c-format msgid "Rule 3 - The cluster will notice if you ignored rules 1 & 2 and refuse to use the configuration." msgstr "" #. Tag: para #, no-c-format msgid "Now that it is clear how NOT to update the configuration, we can begin to explain how you should." msgstr "" #. Tag: para #, no-c-format msgid "The most powerful tool for modifying the configuration is the cibadmin command which talks to a running cluster. With cibadmin, the user can query, add, remove, update or replace any part of the configuration; all changes take effect immediately, so there is no need to perform a reload-like operation." msgstr "" #. Tag: para #, no-c-format msgid "The simplest way of using cibadmin is to use it to save the current configuration to a temporary file, edit that file with your favorite text or XML editor and then upload the revised configuration." msgstr "" #. Tag: title #, no-c-format msgid "Safely using an editor to modify the cluster configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --query > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --xml-file tmp.xml" msgstr "" #. Tag: para #, no-c-format msgid "Some of the better XML editors can make use of a Relax NG schema to help make sure any changes you make are valid. The schema describing the configuration can normally be found in /usr/lib/heartbeat/pacemaker.rng on most systems." msgstr "" #. Tag: para #, no-c-format msgid "If you only wanted to modify the resources section, you could instead do" msgstr "" #. Tag: title #, no-c-format msgid "Safely using an editor to modify a subsection of the cluster configuration" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --query --obj_type resources > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --obj_type resources --xml-file tmp.xml" msgstr "" #. Tag: para #, no-c-format msgid "to avoid modifying any other part of the configuration." msgstr "" #. Tag: title #, no-c-format msgid "Quickly Deleting Part of the Configuration" msgstr "" #. Tag: para #, no-c-format msgid "Identify the object you wish to delete. Eg. run" msgstr "" #. Tag: title #, no-c-format msgid "Searching for STONITH related configuration items" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin -Q | grep stonith" msgstr "" #. Tag: programlisting #, no-c-format msgid " <nvpair id=\"cib-bootstrap-options-stonith-action\" name=\"stonith-action\" value=\"reboot\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"1\"/>\n" " <primitive id=\"child_DoFencing\" class=\"stonith\" type=\"external/vmware\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:1\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:2\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:3\" type=\"external/vmware\" class=\"stonith\">" msgstr "" #. Tag: para #, no-c-format msgid "Next identify the resource’s tag name and id (in this case we’ll choose primitive and child_DoFencing). Then simply execute:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --delete --crm_xml '<primitive id=\"child_DoFencing\"/>'" msgstr "" #. Tag: title #, no-c-format msgid "Updating the Configuration Without Using XML" msgstr "" #. Tag: para #, no-c-format msgid "Some common tasks can also be performed with one of the higher level tools that avoid the need to read or edit XML." msgstr "" #. Tag: para #, no-c-format msgid "To enable stonith for example, one could run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name stonith-enabled --attr-value true" msgstr "" #. Tag: para #, no-c-format msgid "Or, to see if somenode is allowed to run resources, there is:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_standby --get-value --node-uname somenode" msgstr "" #. Tag: para #, no-c-format msgid "Or, to find the current location of my-test-rsc, one can use:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource --locate --resource my-test-rsc" msgstr "" #. Tag: title #, no-c-format msgid "Making Configuration Changes in a Sandbox" msgstr "" #. Tag: para #, no-c-format msgid "Often it is desirable to preview the effects of a series of changes before updating the configuration atomically. For this purpose we have created crm_shadow which creates a \"shadow\" copy of the configuration and arranges for all the command line tools to use it." msgstr "" #. Tag: para #, no-c-format msgid "To begin, simply invoke crm_shadow and give it the name of a configuration to create Shadow copies are identified with a name, making it possible to have more than one. ; be sure to follow the simple on-screen instructions." msgstr "" #. Tag: para #, no-c-format msgid "Read the above carefully, failure to do so could result in you destroying the cluster’s active configuration!" msgstr "" #. Tag: title #, no-c-format msgid "Creating and displaying the active sandbox" msgstr "" #. Tag: programlisting #, no-c-format msgid " # crm_shadow --create test\n" " Setting up shadow instance\n" " Type Ctrl-D to exit the crm_shadow shell\n" " shadow[test]:\n" " shadow[test] # crm_shadow --which\n" " test" msgstr "" #. Tag: para #, no-c-format msgid "From this point on, all cluster commands will automatically use the shadow copy instead of talking to the cluster’s active configuration. Once you have finished experimenting, you can either commit the changes, or discard them as shown below. Again, be sure to follow the on-screen instructions carefully." msgstr "" #. Tag: para #, no-c-format msgid "For a full list of crm_shadow options and commands, invoke it with the <parameter>--help</parameter> option." msgstr "" #. Tag: title #, no-c-format msgid "Using a sandbox to make multiple changes atomically" msgstr "" #. Tag: programlisting #, no-c-format msgid " shadow[test] # crm_failcount -G -r rsc_c001n01\n" " name=fail-count-rsc_c001n01 value=0\n" " shadow[test] # crm_standby -v on -n c001n02\n" " shadow[test] # crm_standby -G -n c001n02\n" " name=c001n02 scope=nodes value=on\n" " shadow[test] # cibadmin --erase --force\n" " shadow[test] # cibadmin --query\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"112\"\n" " dc-uuid=\"c001n01\" num_updates=\"1\" cib-last-written=\"Fri Jun 27 12:17:10 2008\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" " shadow[test] # crm_shadow --delete test --force\n" " Now type Ctrl-D to exit the crm_shadow shell\n" " shadow[test] # exit\n" " # crm_shadow --which\n" " No shadow instance provided\n" " # cibadmin -Q\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"110\"\n" " dc-uuid=\"c001n01\" num_updates=\"551\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-1\" name=\"stonith-enabled\" value=\"1\"/>\n" " <nvpair id=\"cib-bootstrap-2\" name=\"pe-input-series-max\" value=\"30000\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Making changes in a sandbox and verifying the real configuration is untouched" msgstr "" #. Tag: title #, no-c-format msgid "Testing Your Configuration Changes" msgstr "" #. Tag: para #, no-c-format msgid "We saw previously how to make a series of changes to a \"shadow\" copy of the configuration. Before loading the changes back into the cluster (eg. crm_shadow --commit mytest --force), it is often advisable to simulate the effect of the changes with crm_simulate, eg." msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_simulate --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot" msgstr "" #. Tag: para #, no-c-format msgid "The tool uses the same library as the live cluster to show what it would have done given the supplied input. It’s output, in addition to a significant amount of logging, is stored in two files tmp.graph and tmp.dot, both are representations of the same thing — the cluster’s response to your changes." msgstr "" #. Tag: para #, no-c-format msgid "In the graph file is stored the complete transition, containing a list of all the actions, their parameters and their pre-requisites. Because the transition graph is not terribly easy to read, the tool also generates a Graphviz dot-file representing the same information." msgstr "" #. Tag: title #, no-c-format msgid "Interpreting the Graphviz output" msgstr "" #. Tag: para #, no-c-format msgid "Arrows indicate ordering dependencies" msgstr "" #. Tag: para #, no-c-format msgid "Dashed-arrows indicate dependencies that are not present in the transition graph" msgstr "" #. Tag: para #, no-c-format msgid "Actions with a dashed border of any color do not form part of the transition graph" msgstr "" #. Tag: para #, no-c-format msgid "Actions with a green border form part of the transition graph" msgstr "" #. Tag: para #, no-c-format msgid "Actions with a red border are ones the cluster would like to execute but cannot run" msgstr "" #. Tag: para #, no-c-format msgid "Actions with a blue border are ones the cluster does not feel need to be executed" msgstr "" #. Tag: para #, no-c-format msgid "Actions with orange text are pseudo/pretend actions that the cluster uses to simplify the graph" msgstr "" #. Tag: para #, no-c-format msgid "Actions with black text are sent to the LRM" msgstr "" #. Tag: para #, no-c-format msgid "Resource actions have text of the form rsc_action_interval node" msgstr "" #. Tag: para #, no-c-format msgid "Any action depending on an action with a red border will not be able to execute." msgstr "" #. Tag: para #, no-c-format msgid "Loops are really bad. Please report them to the development team." msgstr "" #. Tag: title #, no-c-format msgid "Small Cluster Transition" msgstr "" #. Tag: phrase #, no-c-format msgid "An example transition graph as represented by Graphviz" msgstr "" #. Tag: para #, no-c-format msgid "In the above example, it appears that a new node, node2, has come online and that the cluster is checking to make sure rsc1, rsc2 and rsc3 are not already running there (Indicated by the *_monitor_0 entries). Once it did that, and assuming the resources were not active there, it would have liked to stop rsc1 and rsc2 on node1 and move them to node2. However, there appears to be some problem and the cluster cannot or is not permitted to perform the stop actions which implies it also cannot perform the start actions. For some reason the cluster does not want to start rsc3 anywhere." msgstr "" #. Tag: para #, no-c-format msgid "For information on the options supported by crm_simulate, use the --help option." msgstr "" #. Tag: title #, no-c-format msgid "Complex Cluster Transition" msgstr "" #. Tag: phrase #, no-c-format msgid "Another, slightly more complex, transition graph that you're not expected to be able to read" msgstr "" #. Tag: title #, no-c-format msgid "Do I Need to Update the Configuration on all Cluster Nodes?" msgstr "" #. Tag: para #, no-c-format msgid "No. Any changes are immediately synchronized to the other active members of the cluster." msgstr "" #. Tag: para #, no-c-format msgid "To reduce bandwidth, the cluster only broadcasts the incremental updates that result from your changes and uses MD5 checksums to ensure that each copy is completely consistent." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Constraints.pot000066400000000000000000001012641217637305600251300ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Resource Constraints" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraints Constraints " msgstr "" #. Tag: title #, no-c-format msgid "Scores" msgstr "" #. Tag: para #, no-c-format msgid "Scores of all kinds are integral to how the cluster works. Practically everything from moving a resource to deciding which resource to stop in a degraded cluster is achieved by manipulating scores in some way." msgstr "" #. Tag: para #, no-c-format msgid "Scores are calculated on a per-resource basis and any node with a negative score for a resource can’t run that resource. After calculating the scores for a resource, the cluster then chooses the node with the highest one." msgstr "" #. Tag: title #, no-c-format msgid "Infinity Math" msgstr "" #. Tag: para #, no-c-format msgid "INFINITY is currently defined as 1,000,000 and addition/subtraction with it follows these three basic rules:" msgstr "" #. Tag: para #, no-c-format msgid "Any value + INFINITY = INFINITY" msgstr "" #. Tag: para #, no-c-format msgid "Any value - INFINITY = -INFINITY" msgstr "" #. Tag: para #, no-c-format msgid "INFINITY - INFINITY = -INFINITY" msgstr "" #. Tag: title #, no-c-format msgid "Deciding Which Nodes a Resource Can Run On" msgstr "" #. Tag: para #, no-c-format msgid " Location Constraints ResourceConstraintsLocation ConstraintsLocation Location There are two alternative strategies for specifying which nodes a resources can run on. One way is to say that by default they can run anywhere and then create location constraints for nodes that are not allowed. The other option is to have nodes \"opt-in\"… to start with nothing able to run anywhere and selectively enable allowed nodes." msgstr "" #. Tag: title #, no-c-format msgid "Options" msgstr "" #. Tag: title #, no-c-format msgid "Options for Simple Location Constraints" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint idLocation Constraints Location Constraints ConstraintsLocationid Locationid id " msgstr "" #. Tag: para #, no-c-format msgid "rsc" msgstr "" #. Tag: para #, no-c-format msgid "A resource name rscLocation Constraints Location Constraints ConstraintsLocationrsc Locationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "node" msgstr "" #. Tag: para #, no-c-format msgid "A node’s name nodeLocation Constraints Location Constraints ConstraintsLocationnode Locationnode node " msgstr "" #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, no-c-format msgid "Positive values indicate the resource should run on this node. Negative values indicate the resource should not run on this node." msgstr "" #. Tag: para #, no-c-format msgid "Values of +/- INFINITY change \"should\"/\"should not\" to \"must\"/\"must not\". scoreLocation Constraints Location Constraints ConstraintsLocationscore Locationscore score " msgstr "" #. Tag: title #, no-c-format msgid "Asymmetrical \"Opt-In\" Clusters" msgstr "" #. Tag: para #, no-c-format msgid " Asymmetrical Opt-In Clusters Cluster TypeAsymmetrical Opt-In Asymmetrical Opt-In " msgstr "" #. Tag: para #, no-c-format msgid "To create an opt-in cluster, start by preventing resources from running anywhere by default:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value false" msgstr "" #. Tag: para #, no-c-format msgid "Then start enabling nodes. The following fragment says that the web server prefers sles-1, the database prefers sles-2 and both can fail over to sles-3 if their most preferred node fails." msgstr "" #. Tag: title #, no-c-format msgid "Example set of opt-in location constraints" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-3\" score=\"0\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-3\" score=\"0\"/>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Symmetrical \"Opt-Out\" Clusters" msgstr "" #. Tag: para #, no-c-format msgid " Symmetrical Opt-Out Clusters Cluster TypeSymmetrical Opt-Out Symmetrical Opt-Out " msgstr "" #. Tag: para #, no-c-format msgid "To create an opt-out cluster, start by allowing resources to run anywhere by default:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value true" msgstr "" #. Tag: para #, no-c-format msgid "Then start disabling nodes. The following fragment is the equivalent of the above opt-in configuration." msgstr "" #. Tag: title #, no-c-format msgid "Example set of opt-out location constraints" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2-dont-run\" rsc=\"Webserver\" node=\"sles-2\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-3-dont-run\" rsc=\"Database\" node=\"sles-1\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Whether you should choose opt-in or opt-out depends both on your personal preference and the make-up of your cluster. If most of your resources can run on most of the nodes, then an opt-out arrangement is likely to result in a simpler configuration. On the other-hand, if most resources can only run on a small subset of nodes an opt-in configuration might be simpler." msgstr "" #. Tag: title #, no-c-format msgid "What if Two Nodes Have the Same Score" msgstr "" #. Tag: para #, no-c-format msgid "If two nodes have the same score, then the cluster will choose one. This choice may seem random and may not be what was intended, however the cluster was not given enough information to know any better." msgstr "" #. Tag: title #, no-c-format msgid "Example of two resources that prefer two nodes equally" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-1\" score=\"500\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"300\"/>\n" " <rsc_location id=\"loc-5\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "In the example above, assuming no other constraints and an inactive cluster, Webserver would probably be placed on sles-1 and Database on sles-2. It would likely have placed Webserver based on the node’s uname and Database based on the desire to spread the resource load evenly across the cluster. However other factors can also be involved in more complex configurations." msgstr "" #. Tag: title #, no-c-format msgid "Specifying in which Order Resources Should Start/Stop" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintsOrdering ConstraintsOrdering Ordering ResourceStart Order Start Order Ordering Constraints The way to specify the order in which resources should start is by creating rsc_order constraints." msgstr "" #. Tag: title #, no-c-format msgid "Properties of an Ordering Constraint" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint idOrdering Constraints Ordering Constraints ConstraintsOrderingid Orderingid id " msgstr "" #. Tag: para #, no-c-format msgid "first" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource that must be started before the then resource is allowed to. firstOrdering Constraints Ordering Constraints ConstraintsOrderingfirst Orderingfirst first " msgstr "" #. Tag: para #, no-c-format msgid "then" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource. This resource will start after the first resource. thenOrdering Constraints Ordering Constraints ConstraintsOrderingthen Orderingthen then " msgstr "" #. Tag: para #, no-c-format msgid "kind" msgstr "" #. Tag: para #, no-c-format msgid "How to enforce the constraint. (Since 1.1.2)" msgstr "" #. Tag: para #, no-c-format msgid "* Optional - Just a suggestion. Only applies if both resources are starting/stopping." msgstr "" #. Tag: para #, no-c-format msgid "* Mandatory - Always. If first is stopping or cannot be started, then must be stopped." msgstr "" #. Tag: para #, no-c-format msgid "* Serialize - Ensure that no two stop/start actions occur concurrently for a set of resources." msgstr "" #. Tag: para #, no-c-format msgid " kindOrdering Constraints Ordering Constraints ConstraintsOrderingkind Orderingkind kind " msgstr "" #. Tag: para #, no-c-format msgid "symmetrical" msgstr "" #. Tag: para #, no-c-format msgid "If true, which is the default, stop the resources in the reverse order. Default value: true symmetricalOrdering Constraints Ordering Constraints Ordering Constraintssymmetrical symmetrical " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Ordering" msgstr "" #. Tag: para #, no-c-format msgid "When the then resource cannot run without the first resource being active, one should use mandatory constraints. To specify a constraint is mandatory, use scores greater than zero. This will ensure that the then resource will react when the first resource changes state." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource was running and is stopped, the then resource will also be stopped (if it is running)." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource was not running and cannot be started, the then resource will be stopped (if it is running)." msgstr "" #. Tag: para #, no-c-format msgid "If the first resource is (re)started while the then resource is running, the then resource will be stopped and restarted." msgstr "" #. Tag: title #, no-c-format msgid "Advisory Ordering" msgstr "" #. Tag: para #, no-c-format msgid "On the other hand, when score=\"0\" is specified for a constraint, the constraint is considered optional and only has an effect when both resources are stopping and/or starting. Any change in state by the first resource will have no effect on the then resource." msgstr "" #. Tag: title #, no-c-format msgid "Example of an optional and mandatory ordering constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_order id=\"order-1\" first=\"Database\" then=\"Webserver\" />\n" " <rsc_order id=\"order-2\" first=\"IP\" then=\"Webserver\" score=\"0\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Some additional information on ordering constraints can be found in the document Ordering Explained." msgstr "" #. Tag: title #, no-c-format msgid "Placing Resources Relative to other Resources" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintsColocation ConstraintsColocation Colocation ResourceLocation Relative to other Resources Location Relative to other Resources When the location of one resource depends on the location of another one, we call this colocation." msgstr "" #. Tag: para #, no-c-format msgid "There is an important side-effect of creating a colocation constraint between two resources: it affects the order in which resources are assigned to a node. If you think about it, it’s somewhat obvious. You can’t place A relative to B unless you know where B is. While the human brain is sophisticated enough to read the constraint in any order and choose the correct one depending on the situation, the cluster is not quite so smart. Yet. " msgstr "" #. Tag: para #, no-c-format msgid "So when you are creating colocation constraints, it is important to consider whether you should colocate A with B or B with A." msgstr "" #. Tag: para #, no-c-format msgid "Another thing to keep in mind is that, assuming A is collocated with B, the cluster will also take into account A’s preferences when deciding which node to choose for B." msgstr "" #. Tag: para #, no-c-format msgid "For a detailed look at exactly how this occurs, see the Colocation Explained document." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Collocation Constraint" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint. idColocation Constraints Colocation Constraints ConstraintsColocationid Colocationid id " msgstr "" #. Tag: para #, no-c-format msgid "The colocation source. If the constraint cannot be satisfied, the cluster may decide not to allow the resource to run at all. rscColocation Constraints Colocation Constraints ConstraintsColocationrsc Colocationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "with-rsc" msgstr "" #. Tag: para #, no-c-format msgid "The colocation target. The cluster will decide where to put this resource first and then decide where to put the resource in the rsc field. with-rscColocation Constraints Colocation Constraints ConstraintsColocationwith-rsc Colocationwith-rsc with-rsc " msgstr "" #. Tag: para #, no-c-format msgid "Positive values indicate the resource should run on the same node. Negative values indicate the resources should not run on the same node. Values of +/- INFINITY change \"should\" to \"must\". scoreColocation Constraints Colocation Constraints ConstraintsColocationscore Colocationscore score " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Placement" msgstr "" #. Tag: para #, no-c-format msgid "Mandatory placement occurs any time the constraint’s score is +INFINITY or -INFINITY. In such cases, if the constraint can’t be satisfied, then the rsc resource is not permitted to run. For score=INFINITY, this includes cases where the with-rsc resource is not active." msgstr "" #. Tag: para #, no-c-format msgid "If you need resource1 to always run on the same machine as resource2, you would add the following constraint:" msgstr "" #. Tag: title #, no-c-format msgid "An example colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Remember, because INFINITY was used, if resource2 can’t run on any of the cluster nodes (for whatever reason) then resource1 will not be allowed to run." msgstr "" #. Tag: para #, no-c-format msgid "Alternatively, you may want the opposite… that resource1 cannot run on the same machine as resource2. In this case use score=\"-INFINITY\"" msgstr "" #. Tag: title #, no-c-format msgid "An example anti-colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"anti-colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"-INFINITY\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Again, by specifying -INFINTY, the constraint is binding. So if the only place left to run is where resource2 already is, then resource1 may not run anywhere." msgstr "" #. Tag: title #, no-c-format msgid "Advisory Placement" msgstr "" #. Tag: para #, no-c-format msgid "If mandatory placement is about \"must\" and \"must not\", then advisory placement is the \"I’d prefer if\" alternative. For constraints with scores greater than -INFINITY and less than INFINITY, the cluster will try and accommodate your wishes but may ignore them if the alternative is to stop some of the cluster resources." msgstr "" #. Tag: para #, no-c-format msgid "Like in life, where if enough people prefer something it effectively becomes mandatory, advisory colocation constraints can combine with other elements of the configuration to behave as if they were mandatory." msgstr "" #. Tag: title #, no-c-format msgid "An example advisory-only colocation constraint" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_colocation id=\"colocate-maybe\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"500\"/>" msgstr "" #. Tag: title #, no-c-format msgid "Ordering Sets of Resources" msgstr "" #. Tag: para #, no-c-format msgid "A common situation is for an administrator to create a chain of ordered resources, such as:" msgstr "" #. Tag: title #, no-c-format msgid "A chain of ordered resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_order id=\"order-1\" first=\"A\" then=\"B\" />\n" " <rsc_order id=\"order-2\" first=\"B\" then=\"C\" />\n" " <rsc_order id=\"order-3\" first=\"C\" then=\"D\" />\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Ordered Set" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the four resources' start order for the above constraints" msgstr "" #. Tag: phrase #, no-c-format msgid "Ordered set" msgstr "" #. Tag: para #, no-c-format msgid "To simplify this situation, there is an alternate format for ordering constraints:" msgstr "" #. Tag: title #, no-c-format msgid "A chain of ordered resources expressed as a set" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Resource sets have the same ordering semantics as groups." msgstr "" #. Tag: title #, no-c-format msgid "A group resource with the equivalent ordering rules" msgstr "" #. Tag: programlisting #, no-c-format msgid "<group id=\"dummy\">\n" " <primitive id=\"A\" .../>\n" " <primitive id=\"B\" .../>\n" " <primitive id=\"C\" .../>\n" " <primitive id=\"D\" .../>\n" "</group>" msgstr "" #. Tag: para #, no-c-format msgid "While the set-based format is not less verbose, it is significantly easier to get right and maintain. It can also be expanded to allow ordered sets of (un)ordered resources. In the example below, rscA and rscB can both start in parallel, as can rscC and rscD, however rscC and rscD can only start once both rscA and rscB are active." msgstr "" #. Tag: title #, no-c-format msgid "Ordered sets of unordered resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Two Sets of Unordered Resources" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the start order for two ordered sets of unordered resources" msgstr "" #. Tag: phrase #, no-c-format msgid "Two ordered sets" msgstr "" #. Tag: para #, no-c-format msgid "Of course either set — or both sets — of resources can also be internally ordered (by setting sequential=\"true\") and there is no limit to the number of sets that can be specified." msgstr "" #. Tag: title #, no-c-format msgid "Advanced use of set ordering - Three ordered sets, two of which are internally unordered" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"true\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-3\" sequential=\"false\">\n" " <resource_ref id=\"E\"/>\n" " <resource_ref id=\"F\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Three Resources Sets" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of the start order for the three sets defined above" msgstr "" #. Tag: phrase #, no-c-format msgid "Three ordered sets" msgstr "" #. Tag: title #, no-c-format msgid "Collocating Sets of Resources" msgstr "" #. Tag: para #, no-c-format msgid "Another common situation is for an administrator to create a set of collocated resources. Previously this was possible either by defining a resource group (See ) which could not always accurately express the design; or by defining each relationship as an individual constraint, causing a constraint explosion as the number of resources and combinations grew." msgstr "" #. Tag: title #, no-c-format msgid "A chain of collocated resources" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_colocation id=\"coloc-1\" rsc=\"B\" with-rsc=\"A\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-2\" rsc=\"C\" with-rsc=\"B\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-3\" rsc=\"D\" with-rsc=\"C\" score=\"INFINITY\"/>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "To make things easier, we allow an alternate form of colocation constraints using resource_sets. Just like the expanded version, a resource that can’t be active also prevents any resource that must be collocated with it from being active. For example, if B was not able to run, then both C (+and by inference +D) must also remain stopped." msgstr "" #. Tag: title #, no-c-format msgid "The equivalent colocation chain expressed using resource_sets" msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Resource sets have the same colocation semantics as groups." msgstr "" #. Tag: title #, no-c-format msgid "A group resource with the equivalent colocation rules" msgstr "" #. Tag: para #, no-c-format msgid "This notation can also be used in this context to tell the cluster that a set of resources must all be located with a common peer, but have no dependencies on each other. In this scenario, unlike the previous, B would be allowed to remain active even if A or C (or both) were inactive." msgstr "" #. Tag: title #, no-c-format msgid "Using colocation sets to specify a common peer." msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\">\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: para #, no-c-format msgid "Of course there is no limit to the number and size of the sets used. The only thing that matters is that in order for any member of set N to be active, all the members of set N+1 must also be active (and naturally on the same node); and if a set has sequential=\"true\", then in order for member M to be active, member M+1 must also be active. You can even specify the role in which the members of a set must be in using the set’s role attribute." msgstr "" #. Tag: title #, no-c-format msgid "A colocation chain where the members of the middle set have no inter-dependencies and the last has master status." msgstr "" #. Tag: programlisting #, no-c-format msgid "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " <resource_ref id=\"E\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\" role=\"Master\">\n" " <resource_ref id=\"F\"/>\n" " <resource_ref id=\"G\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" #. Tag: title #, no-c-format msgid "Another Three Resources Sets" msgstr "" #. Tag: title #, no-c-format msgid "Visual representation of a colocation chain where the members of the middle set have no inter-dependencies" msgstr "" #. Tag: phrase #, no-c-format msgid "Colocation chain" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Intro.pot000066400000000000000000000233161217637305600237150ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "" #. Tag: para #, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "" #. Tag: para #, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "" #. Tag: para #, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario." msgstr "" #. Tag: para #, no-c-format msgid "Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster." msgstr "" #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is a cluster resource manager." msgstr "" #. Tag: para #, no-c-format msgid "It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker’s key features include:" msgstr "" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "" #. Tag: para #, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "" #. Tag: para #, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "" #. Tag: para #, no-c-format msgid "Support for advanced services type" msgstr "" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "" #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "" #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "" #. Tag: para #, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations." msgstr "" #. Tag: title #, no-c-format msgid "Shared Failover" msgstr "" #. Tag: para #, no-c-format msgid "By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node" msgstr "" #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "" #. Tag: para #, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload." msgstr "" #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "" #. Tag: para #, no-c-format msgid "Core cluster infrastructure providing messaging and membership functionality (illustrated in red)" msgstr "" #. Tag: para #, no-c-format msgid "Non-cluster aware components (illustrated in green)." msgstr "" #. Tag: para #, no-c-format msgid "In a Pacemaker cluster, these pieces include not only the scripts that knows how to start, stop and monitor resources, but also a local daemon that masks the differences between the different standards these scripts implement." msgstr "" #. Tag: para #, no-c-format msgid "A brain (illustrated in blue)" msgstr "" #. Tag: para #, no-c-format msgid "This component processes and reacts to events from the cluster (nodes leaving or joining) and resources (eg. monitor failures) as well as configuration changes from the administrator. In response to all of these events, Pacemaker will compute the ideal state of the cluster and plot a path to achieve it. This may include moving resources, stopping nodes and even forcing nodes offline with remote power switches." msgstr "" #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "" #. Tag: title #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "" #. Tag: para #, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. footnote:[ Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on." msgstr "" #. Tag: para #, no-c-format msgid "Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. ]" msgstr "" #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker stack when running on Corosync" msgstr "" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "" #. Tag: title #, no-c-format msgid "Subsystems of a Pacemaker cluster" msgstr "" #. Tag: para #, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "" #. Tag: para #, no-c-format msgid "This list of instructions is then fed to the DC (Designated Controller). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process (or the node it is on) fail… a new one is quickly established." msgstr "" #. Tag: para #, no-c-format msgid "The DC carries out PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "" #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and, based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "" #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd." msgstr "" #. Tag: para #, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch." msgstr "" #. Tag: para #, no-c-format msgid "In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Nodes.pot000066400000000000000000000241041217637305600236660ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Nodes" msgstr "" #. Tag: title #, no-c-format msgid "Defining a Cluster Node" msgstr "" #. Tag: para #, no-c-format msgid "Each node in the cluster will have an entry in the nodes section containing its UUID, uname, and type." msgstr "" #. Tag: title #, no-c-format msgid "Example cluster node entry" msgstr "" #. Tag: programlisting #, no-c-format msgid "<node id=\"1186dc9a-324d-425a-966e-d757e693dc86\" uname=\"pcmk-1\" type=\"normal\"/>" msgstr "" #. Tag: para #, no-c-format msgid "In normal circumstances, the admin should let the cluster populate this information automatically from the communications and membership data. However one can use the crm_uuid tool to read an existing UUID or define a value before the cluster starts." msgstr "" #. Tag: title #, no-c-format msgid "Describing a Cluster Node" msgstr "" #. Tag: para #, no-c-format msgid " Nodeattribute attribute Beyond the basic definition of a node the administrator can also describe the node’s attributes, such as how much RAM, disk, what OS or kernel version it has, perhaps even its physical location. This information can then be used by the cluster when deciding where to place resources. For more information on the use of node attributes, see ." msgstr "" #. Tag: para #, no-c-format msgid "Node attributes can be specified ahead of time or populated later, when the cluster is running, using crm_attribute." msgstr "" #. Tag: para #, no-c-format msgid "Below is what the node’s definition would look like if the admin ran the command:" msgstr "" #. Tag: title #, no-c-format msgid "The result of using crm_attribute to specify which kernel pcmk-1 is running" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r`" msgstr "" #. Tag: programlisting #, no-c-format msgid "<node uname=\"pcmk-1\" type=\"normal\" id=\"1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <instance_attributes id=\"nodes-1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <nvpair id=\"kernel-1186dc9a-324d-425a-966e-d757e693dc86\" name=\"kernel\" value=\"2.6.16.46-0.4-default\"/>\n" " </instance_attributes>\n" "</node>" msgstr "" #. Tag: para #, no-c-format msgid "A simpler way to determine the current value of an attribute is to use crm_attribute command again:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" msgstr "" #. Tag: para #, no-c-format msgid "By specifying --type nodes the admin tells the cluster that this attribute is persistent. There are also transient attributes which are kept in the status section which are \"forgotten\" whenever the node rejoins the cluster. The cluster uses this area to store a record of how many times a resource has failed on that node but administrators can also read and write to this section by specifying --type status." msgstr "" #. Tag: title #, no-c-format msgid "Adding a New Cluster Node" msgstr "" #. Tag: title #, no-c-format msgid "Corosync" msgstr "" #. Tag: para #, no-c-format msgid " CorosyncAdd Cluster Node Add Cluster Node Add Cluster NodeCorosync Corosync Adding a new node is as simple as installing Corosync and Pacemaker, and copying /etc/corosync/corosync.conf and /etc/ais/authkey (if it exists) from an existing node. You may need to modify the mcastaddr option to match the new node’s IP address." msgstr "" #. Tag: para #, no-c-format msgid "If a log message containing \"Invalid digest\" appears from Corosync, the keys are not consistent between the machines." msgstr "" #. Tag: title #, no-c-format msgid "Heartbeat" msgstr "" #. Tag: para #, no-c-format msgid " HeartbeatAdd Cluster Node Add Cluster Node Add Cluster NodeHeartbeat Heartbeat Provided you specified autojoin any in ha.cf, adding a new node is as simple as installing heartbeat and copying ha.cf and authkeys from an existing node." msgstr "" #. Tag: para #, no-c-format msgid "If you don’t want to use autojoin, then after setting up ha.cf and authkeys, you must use the hb_addnode command before starting the new node." msgstr "" #. Tag: title #, no-c-format msgid "Removing a Cluster Node" msgstr "" #. Tag: para #, no-c-format msgid " CorosyncRemove Cluster Node Remove Cluster Node Remove Cluster NodeCorosync Corosync Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution. First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below)." msgstr "" #. Tag: para #, no-c-format msgid "On the host to be removed:" msgstr "" #. Tag: para #, no-c-format msgid "Find and record the node’s Corosync id: crm_node -i" msgstr "" #. Tag: para #, no-c-format msgid "Stop the cluster: /etc/init.d/corosync stop" msgstr "" #. Tag: para #, no-c-format msgid "Next, from one of the remaining active cluster nodes:" msgstr "" #. Tag: para #, no-c-format msgid "Tell the cluster to forget about the removed host:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_node -R $COROSYNC_ID" msgstr "" #. Tag: para #, no-c-format msgid "Only now is it safe to delete the node from the CIB with:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"_pcmk-1_\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"_pcmk-1_\"/>'" msgstr "" #. Tag: para #, no-c-format msgid " HeartbeatRemove Cluster Node Remove Cluster Node Remove Cluster NodeHeartbeat Heartbeat Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution." msgstr "" #. Tag: para #, no-c-format msgid "First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below). To do this, shut down heartbeat on the node and then, from one of the remaining active cluster nodes, run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# hb_delnode pcmk-1" msgstr "" #. Tag: para #, no-c-format msgid "Only then is it safe to delete the node from the CIB with:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" msgstr "" #. Tag: title #, no-c-format msgid "Replacing a Cluster Node" msgstr "" #. Tag: para #, no-c-format msgid " CorosyncReplace Cluster Node Replace Cluster Node Replace Cluster NodeCorosync Corosync The five-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Make sure the old node is completely stopped" msgstr "" #. Tag: para #, no-c-format msgid "Give the new machine the same hostname and IP address as the old one" msgstr "" #. Tag: para #, no-c-format msgid "Install the cluster software :-)" msgstr "" #. Tag: para #, no-c-format msgid "Copy /etc/corosync/corosync.conf and /etc/ais/authkey (if it exists) to the new node" msgstr "" #. Tag: para #, no-c-format msgid "Start the new cluster node" msgstr "" #. Tag: para #, no-c-format msgid " HeartbeatReplace Cluster Node Replace Cluster Node Replace Cluster NodeHeartbeat Heartbeat The seven-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Give the new machine the same hostname as the old one" msgstr "" #. Tag: para #, no-c-format msgid "Go to an active cluster node and look up the UUID for the old node in /var/lib/heartbeat/hostcache" msgstr "" #. Tag: para #, no-c-format msgid "Install the cluster software" msgstr "" #. Tag: para #, no-c-format msgid "Copy ha.cf and authkeys to the new node" msgstr "" #. Tag: para #, no-c-format msgid "On the new node, populate it’s UUID using crm_uuid -w and the UUID from step 2" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Options.pot000066400000000000000000000530221217637305600242520ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "" #. Tag: title #, no-c-format msgid "Special Options" msgstr "" #. Tag: para #, no-c-format msgid "The reason for these fields to be placed at the top level instead of with the rest of cluster options is simply a matter of parsing. These options are used by the configuration database which is, by design, mostly ignorant of the content it holds. So the decision was made to place them in an easy to find location." msgstr "" #. Tag: title #, no-c-format msgid "Configuration Version" msgstr "" #. Tag: para #, no-c-format msgid " Configuration VersionCluster Cluster ClusterOptionConfiguration Version OptionConfiguration Version Configuration Version " msgstr "" #. Tag: para #, no-c-format msgid "When a node joins the cluster, the cluster will perform a check to see who has the best configuration based on the fields below. It then asks the node with the highest (admin_epoch, epoch, num_updates) tuple to replace the configuration on all the nodes - which makes setting them, and setting them correctly, very important." msgstr "" #. Tag: title #, no-c-format msgid "Configuration Version Properties" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "admin_epoch" msgstr "" #. Tag: para #, no-c-format msgid " admin_epochCluster Option Cluster Option ClusterOptionadmin_epoch Optionadmin_epoch admin_epoch Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete." msgstr "" #. Tag: para #, no-c-format msgid "Never set this value to zero, in such cases the cluster cannot tell the difference between your configuration and the \"empty\" one used when nothing is found on disk." msgstr "" #. Tag: para #, no-c-format msgid "epoch" msgstr "" #. Tag: para #, no-c-format msgid " epochCluster Option Cluster Option ClusterOptionepoch Optionepoch epoch Incremented every time the configuration is updated (usually by the admin)" msgstr "" #. Tag: para #, no-c-format msgid "num_updates" msgstr "" #. Tag: para #, no-c-format msgid " num_updatesCluster Option Cluster Option ClusterOptionnum_updates Optionnum_updates num_updates Incremented every time the configuration or status is updated (usually by the cluster)" msgstr "" #. Tag: title #, no-c-format msgid "Other Fields" msgstr "" #. Tag: title #, no-c-format msgid "Properties Controlling Validation" msgstr "" #. Tag: para #, no-c-format msgid "validate-with" msgstr "" #. Tag: para #, no-c-format msgid " validate-withCluster Option Cluster Option ClusterOptionvalidate-with Optionvalidate-with validate-with Determines the type of validation being done on the configuration. If set to \"none\", the cluster will not verify that updates conform to the DTD (nor reject ones that don’t). This option can be useful when operating a mixed version cluster during an upgrade." msgstr "" #. Tag: title #, no-c-format msgid "Fields Maintained by the Cluster" msgstr "" #. Tag: title #, no-c-format msgid "Properties Maintained by the Cluster" msgstr "" #. Tag: para #, no-c-format msgid "cib-last-written" msgstr "" #. Tag: para #, no-c-format msgid " cib-last-writtenCluster Property Cluster Property ClusterPropertycib-last-written Propertycib-last-written cib-last-written Indicates when the configuration was last written to disk. Informational purposes only." msgstr "" #. Tag: para #, no-c-format msgid "dc-uuid" msgstr "" #. Tag: para #, no-c-format msgid " dc-uuidCluster Property Cluster Property ClusterPropertydc-uuid Propertydc-uuid dc-uuid Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events." msgstr "" #. Tag: para #, no-c-format msgid "have-quorum" msgstr "" #. Tag: para #, no-c-format msgid " have-quorumCluster Property Cluster Property ClusterPropertyhave-quorum Propertyhave-quorum have-quorum Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See no-quorum-policy below." msgstr "" #. Tag: para #, no-c-format msgid "Note that although these fields can be written to by the admin, in most cases the cluster will overwrite any values specified by the admin with the \"correct\" ones. To change the admin_epoch, for example, one would use:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin --modify --crm_xml '<cib admin_epoch=\"42\"/>'" msgstr "" #. Tag: para #, no-c-format msgid "A complete set of fields will look something like this:" msgstr "" #. Tag: title #, no-c-format msgid "An example of the fields set for a cib object" msgstr "" #. Tag: programlisting #, no-c-format msgid "<cib have-quorum=\"true\" validate-with=\"pacemaker-1.0\"\n" " admin_epoch=\"1\" epoch=\"12\" num_updates=\"65\"\n" " dc-uuid=\"ea7d39f4-3b94-4cfa-ba7a-952956daabee\">" msgstr "" #. Tag: para #, no-c-format msgid "Cluster options, as you might expect, control how the cluster behaves when confronted with certain situations." msgstr "" #. Tag: para #, no-c-format msgid "They are grouped into sets and, in advanced configurations, there may be more than one. This will be described later in the section on where we will show how to have the cluster use different sets of options during working hours (when downtime is usually to be avoided at all costs) than it does during the weekends (when resources can be moved to the their preferred hosts without bothering end users) For now we will describe the simple case where each option is present at most once." msgstr "" #. Tag: title #, no-c-format msgid "Available Cluster Options" msgstr "" #. Tag: entry #, no-c-format msgid "Option" msgstr "" #. Tag: entry #, no-c-format msgid "Default" msgstr "" #. Tag: para #, no-c-format msgid "batch-limit" msgstr "" #. Tag: para #, no-c-format msgid "30" msgstr "" #. Tag: para #, no-c-format msgid " batch-limitCluster Option Cluster Option ClusterOptionbatch-limit Optionbatch-limit batch-limit The number of jobs that the TE is allowed to execute in parallel. The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, no-c-format msgid "migration-limit" msgstr "" #. Tag: para #, no-c-format msgid "-1 (unlimited)" msgstr "" #. Tag: para #, no-c-format msgid " migration-limitCluster Option Cluster Option ClusterOptionmigration-limit Optionmigration-limit migration-limit The number of migration jobs that the TE is allowed to execute in parallel on a node." msgstr "" #. Tag: para #, no-c-format msgid "no-quorum-policy" msgstr "" #. Tag: para #, no-c-format msgid "stop" msgstr "" #. Tag: para #, no-c-format msgid " no-quorum-policyCluster Option Cluster Option ClusterOptionno-quorum-policy Optionno-quorum-policy no-quorum-policy What to do when the cluster does not have quorum. Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* ignore - continue all resource management" msgstr "" #. Tag: para #, no-c-format msgid "* freeze - continue resource management, but don’t recover resources from nodes not in the affected partition" msgstr "" #. Tag: para #, no-c-format msgid "* stop - stop all resources in the affected cluster partition" msgstr "" #. Tag: para #, no-c-format msgid "* suicide - fence all nodes in the affected cluster partition" msgstr "" #. Tag: para #, no-c-format msgid "symmetric-cluster" msgstr "" #. Tag: para #, no-c-format msgid "TRUE" msgstr "" #. Tag: para #, no-c-format msgid " symmetric-clusterCluster Option Cluster Option ClusterOptionsymmetric-cluster Optionsymmetric-cluster symmetric-cluster Can all resources run on any node by default?" msgstr "" #. Tag: para #, no-c-format msgid "stonith-enabled" msgstr "" #. Tag: para #, no-c-format msgid " stonith-enabledCluster Option Cluster Option ClusterOptionstonith-enabled Optionstonith-enabled stonith-enabled Should failed nodes and nodes with resources that can’t be stopped be shot? If you value your data, set up a STONITH device and enable this." msgstr "" #. Tag: para #, no-c-format msgid "If true, or unset, the cluster will refuse to start resources unless one or more STONITH resources have been configured also." msgstr "" #. Tag: para #, no-c-format msgid "stonith-action" msgstr "" #. Tag: para #, no-c-format msgid "reboot" msgstr "" #. Tag: para #, no-c-format msgid " stonith-actionCluster Option Cluster Option ClusterOptionstonith-action Optionstonith-action stonith-action Action to send to STONITH device. Allowed values: reboot, off. The value poweroff is also allowed, but is only used for legacy devices." msgstr "" #. Tag: para #, no-c-format msgid "cluster-delay" msgstr "" #. Tag: para #, no-c-format msgid "60s" msgstr "" #. Tag: para #, no-c-format msgid " cluster-delayCluster Option Cluster Option ClusterOptioncluster-delay Optioncluster-delay cluster-delay Round trip delay over the network (excluding action execution). The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, no-c-format msgid "stop-orphan-resources" msgstr "" #. Tag: para #, no-c-format msgid " stop-orphan-resourcesCluster Option Cluster Option ClusterOptionstop-orphan-resources Optionstop-orphan-resources stop-orphan-resources Should deleted resources be stopped?" msgstr "" #. Tag: para #, no-c-format msgid "stop-orphan-actions" msgstr "" #. Tag: para #, no-c-format msgid " stop-orphan-actionsCluster Option Cluster Option ClusterOptionstop-orphan-actions Optionstop-orphan-actions stop-orphan-actions Should deleted actions be cancelled?" msgstr "" #. Tag: para #, no-c-format msgid "start-failure-is-fatal" msgstr "" #. Tag: para #, no-c-format msgid " start-failure-is-fatalCluster Option Cluster Option ClusterOptionstart-failure-is-fatal Optionstart-failure-is-fatal start-failure-is-fatal When set to FALSE, the cluster will instead use the resource’s failcount and value for resource-failure-stickiness." msgstr "" #. Tag: para #, no-c-format msgid "pe-error-series-max" msgstr "" #. Tag: para #, no-c-format msgid "-1 (all)" msgstr "" #. Tag: para #, no-c-format msgid " pe-error-series-maxCluster Option Cluster Option ClusterOptionpe-error-series-max Optionpe-error-series-max pe-error-series-max The number of PE inputs resulting in ERRORs to save. Used when reporting problems." msgstr "" #. Tag: para #, no-c-format msgid "pe-warn-series-max" msgstr "" #. Tag: para #, no-c-format msgid " pe-warn-series-maxCluster Option Cluster Option ClusterOptionpe-warn-series-max Optionpe-warn-series-max pe-warn-series-max The number of PE inputs resulting in WARNINGs to save. Used when reporting problems." msgstr "" #. Tag: para #, no-c-format msgid "pe-input-series-max" msgstr "" #. Tag: para #, no-c-format msgid " pe-input-series-maxCluster Option Cluster Option ClusterOptionpe-input-series-max Optionpe-input-series-max pe-input-series-max The number of \"normal\" PE inputs to save. Used when reporting problems." msgstr "" #. Tag: para #, no-c-format msgid "You can always obtain an up-to-date list of cluster options, including their default values, by running the pengine metadata command." msgstr "" #. Tag: title #, no-c-format msgid "Querying and Setting Cluster Options" msgstr "" #. Tag: para #, no-c-format msgid " QueryingCluster Option Cluster Option SettingCluster Option Cluster Option ClusterQuerying Options Querying Options ClusterSetting Options Setting Options " msgstr "" #. Tag: para #, no-c-format msgid "Cluster options can be queried and modified using the crm_attribute tool. To get the current value of cluster-delay, simply use:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name cluster-delay --get-value" msgstr "" #. Tag: para #, no-c-format msgid "which is more simply written as" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --get-value -n cluster-delay" msgstr "" #. Tag: para #, no-c-format msgid "If a value is found, you’ll see a result like this:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --get-value -n cluster-delay\n" " name=cluster-delay value=60s" msgstr "" #. Tag: para #, no-c-format msgid "However, if no value is found, the tool will display an error:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --get-value -n clusta-deway`\n" "name=clusta-deway value=(null)\n" "Error performing operation: The object/attribute does not exist" msgstr "" #. Tag: para #, no-c-format msgid "To use a different value, eg. 30, simply run:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name cluster-delay --attr-value 30s" msgstr "" #. Tag: para #, no-c-format msgid "To go back to the cluster’s default value you can delete the value, for example with this command:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name cluster-delay --delete-attr" msgstr "" #. Tag: title #, no-c-format msgid "When Options are Listed More Than Once" msgstr "" #. Tag: para #, no-c-format msgid "If you ever see something like the following, it means that the option you’re modifying is present more than once." msgstr "" #. Tag: title #, no-c-format msgid "Deleting an option that is listed twice" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name batch-limit --delete-attr\n" "\n" "Multiple attributes match name=batch-limit in crm_config:\n" "Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit)\n" "Value: 100 (set=custom, id=custom-batch-limit)\n" "Please choose from one of the matches above and supply the 'id' with --attr-id" msgstr "" #. Tag: para #, no-c-format msgid "In such cases follow the on-screen instructions to perform the requested action. To determine which value is currently being used by the cluster, please refer to ." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Resources.pot000066400000000000000000001172461217637305600246020ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Resources" msgstr "" #. Tag: title #, no-c-format msgid "What is a Cluster Resource" msgstr "" #. Tag: para #, no-c-format msgid " Resource " msgstr "" #. Tag: para #, no-c-format msgid "The role of a resource agent is to abstract the service it provides and present a consistent view to the cluster, which allows the cluster to be agnostic about the resources it manages." msgstr "" #. Tag: para #, no-c-format msgid "The cluster doesn’t need to understand how the resource works because it relies on the resource agent to do the right thing when given a start, stop or monitor command." msgstr "" #. Tag: para #, no-c-format msgid "For this reason it is crucial that resource agents are well tested." msgstr "" #. Tag: para #, no-c-format msgid "Typically resource agents come in the form of shell scripts, however they can be written using any technology (such as C, Python or Perl) that the author is comfortable with." msgstr "" #. Tag: title #, no-c-format msgid "Supported Resource Classes" msgstr "" #. Tag: para #, no-c-format msgid " Resourceclass class " msgstr "" #. Tag: para #, no-c-format msgid "There are five classes of agents supported by Pacemaker:" msgstr "" #. Tag: para #, no-c-format msgid "OCF" msgstr "" #. Tag: para #, no-c-format msgid "LSB" msgstr "" #. Tag: para #, no-c-format msgid "Upstart" msgstr "" #. Tag: para #, no-c-format msgid "Systemd" msgstr "" #. Tag: para #, no-c-format msgid "Fencing" msgstr "" #. Tag: para #, no-c-format msgid "Service" msgstr "" #. Tag: para #, no-c-format msgid " ResourceHeartbeat Heartbeat HeartbeatResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Version 1 of Heartbeat came with its own style of resource agents and it is highly likely that many people have written their own agents based on its conventions. See http://wiki.linux-ha.org/HeartbeatResourceAgent for more information " msgstr "" #. Tag: para #, no-c-format msgid "Although deprecated with the release of Heartbeat v2, they were supported by Pacemaker up until the release of 1.1.8 to enable administrators to continue to use these agents." msgstr "" #. Tag: title #, no-c-format msgid "Open Cluster Framework" msgstr "" #. Tag: para #, no-c-format msgid " ResourceOCF OCF OCFResources Resources Open Cluster FrameworkResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "The OCF standard http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD - at least as it relates to resource agents. The Pacemaker implementation has been somewhat extended from the OCF Specs, but none of those changes are incompatible with the original OCF specification. is basically an extension of the Linux Standard Base conventions for init scripts to:" msgstr "" #. Tag: para #, no-c-format msgid "support parameters," msgstr "" #. Tag: para #, no-c-format msgid "make them self describing and" msgstr "" #. Tag: para #, no-c-format msgid "extensible" msgstr "" #. Tag: para #, no-c-format msgid "OCF specs have strict definitions of the exit codes that actions must return. Included with the cluster is the ocf-tester script, which can be useful in this regard. " msgstr "" #. Tag: para #, no-c-format msgid "The cluster follows these specifications exactly, and giving the wrong exit code will cause the cluster to behave in ways you will likely find puzzling and annoying. In particular, the cluster needs to distinguish a completely stopped resource from one which is in some erroneous and indeterminate state." msgstr "" #. Tag: para #, no-c-format msgid "Parameters are passed to the script as environment variables, with the special prefix OCF_RESKEY_. So, a parameter which the user thinks of as ip it will be passed to the script as OCF_RESKEY_ip. The number and purpose of the parameters is completely arbitrary, however your script should advertise any that it supports using the meta-data command." msgstr "" #. Tag: para #, no-c-format msgid "The OCF class is the most preferred one as it is an industry standard, highly flexible (allowing parameters to be passed to agents in a non-positional manner) and self-describing." msgstr "" #. Tag: para #, no-c-format msgid "For more information, see the reference and ." msgstr "" #. Tag: title #, no-c-format msgid "Linux Standard Base" msgstr "" #. Tag: para #, no-c-format msgid " ResourceLSB LSB LSBResources Resources Linux Standard BaseResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "LSB resource agents are those found in /etc/init.d." msgstr "" #. Tag: para #, no-c-format msgid "Generally they are provided by the OS/distribution and, in order to be used with the cluster, they must conform to the LSB Spec. See http://refspecs.linux-foundation.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html for the LSB Spec (as it relates to init scripts). " msgstr "" #. Tag: para #, no-c-format msgid "Many distributions claim LSB compliance but ship with broken init scripts. For details on how to check if your init script is LSB-compatible, see . The most common problems are:" msgstr "" #. Tag: para #, no-c-format msgid "Not implementing the status operation at all" msgstr "" #. Tag: para #, no-c-format msgid "Not observing the correct exit status codes for start/stop/status actions" msgstr "" #. Tag: para #, no-c-format msgid "Starting a started resource returns an error (this violates the LSB spec)" msgstr "" #. Tag: para #, no-c-format msgid "Stopping a stopped resource returns an error (this violates the LSB spec)" msgstr "" #. Tag: para #, no-c-format msgid " ResourceSystemd Systemd SystemdResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Systemd." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is able to manage these services if they are present." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, systemd has unit files. Generally the services (or unit files) are provided by the OS/distribution but there are some instructions for converting from init scripts at: http://0pointer.de/blog/projects/systemd-for-admins-3.html" msgstr "" #. Tag: para #, no-c-format msgid "Remember to make sure the computer is not configured to start any services at boot time that should be controlled by the cluster." msgstr "" #. Tag: para #, no-c-format msgid " ResourceUpstart Upstart UpstartResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Upstart." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, upstart has jobs. Generally the services (or jobs) are provided by the OS/distribution." msgstr "" #. Tag: title #, no-c-format msgid "System Services" msgstr "" #. Tag: para #, no-c-format msgid " ResourceSystem Services System Services System ServiceResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "Since there are now many \"common\" types of system services (systemd, upstart, and lsb), Pacemaker supports a special alias which intelligently figures out which one applies to a given cluster node." msgstr "" #. Tag: para #, no-c-format msgid "This is particularly useful when the cluster contains a mix of systemd, upstart, and lsb." msgstr "" #. Tag: para #, no-c-format msgid "In order, Pacemaker will try to find the named service as:" msgstr "" #. Tag: para #, no-c-format msgid "an LSB (SYS-V) init script" msgstr "" #. Tag: para #, no-c-format msgid "a Systemd unit file" msgstr "" #. Tag: para #, no-c-format msgid "an Upstart job" msgstr "" #. Tag: title #, no-c-format msgid "STONITH" msgstr "" #. Tag: para #, no-c-format msgid " ResourceSTONITH STONITH STONITHResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "There is also an additional class, STONITH, which is used exclusively for fencing related resources. This is discussed later in ." msgstr "" #. Tag: title #, no-c-format msgid "Resource Properties" msgstr "" #. Tag: para #, no-c-format msgid "These values tell the cluster which script to use for the resource, where to find that script and what standards it conforms to." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Primitive Resource" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the resource idResource Resource ResourcePropertyid Propertyid id " msgstr "" #. Tag: para #, no-c-format msgid "class" msgstr "" #. Tag: para #, no-c-format msgid "The standard the script conforms to. Allowed values: ocf, service, upstart, systemd, lsb, stonith classResource Resource ResourcePropertyclass Propertyclass class " msgstr "" #. Tag: para #, no-c-format msgid "type" msgstr "" #. Tag: para #, no-c-format msgid "The name of the Resource Agent you wish to use. Eg. IPaddr or Filesystem typeResource Resource ResourcePropertytype Propertytype type " msgstr "" #. Tag: para #, no-c-format msgid "provider" msgstr "" #. Tag: para #, no-c-format msgid "The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify heartbeat here. providerResource Resource ResourcePropertyprovider Propertyprovider provider " msgstr "" #. Tag: para #, no-c-format msgid "Resource definitions can be queried with the crm_resource tool. For example" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource --resource Email --query-xml" msgstr "" #. Tag: para #, no-c-format msgid "might produce:" msgstr "" #. Tag: title #, no-c-format msgid "An example system resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Email\" class=\"service\" type=\"exim\"/>" msgstr "" #. Tag: para #, no-c-format msgid "One of the main drawbacks to system services (such as LSB, Systemd and Upstart) resources is that they do not allow any parameters!" msgstr "" #. Tag: title #, no-c-format msgid "An example OCF resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Resource Options" msgstr "" #. Tag: para #, no-c-format msgid "Options are used by the cluster to decide how your resource should behave and can be easily set using the --meta option of the crm_resource command." msgstr "" #. Tag: title #, no-c-format msgid "Options for a Primitive Resource" msgstr "" #. Tag: entry #, no-c-format msgid "Default" msgstr "" #. Tag: para #, no-c-format msgid "priority" msgstr "" #. Tag: para #, no-c-format msgid "0" msgstr "" #. Tag: para #, no-c-format msgid "If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active. priorityResource Option Resource Option ResourceOptionpriority Optionpriority priority " msgstr "" #. Tag: para #, no-c-format msgid "target-role" msgstr "" #. Tag: para #, no-c-format msgid "Started" msgstr "" #. Tag: para #, no-c-format msgid "What state should the cluster attempt to keep this resource in? Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* Stopped - Force the resource to be stopped" msgstr "" #. Tag: para #, no-c-format msgid "* Started - Allow the resource to be started (In the case of multi-state resources, they will not promoted to master)" msgstr "" #. Tag: para #, no-c-format msgid "* Master - Allow the resource to be started and, if appropriate, promoted target-roleResource Option Resource Option ResourceOptiontarget-role Optiontarget-role target-role " msgstr "" #. Tag: para #, no-c-format msgid "is-managed" msgstr "" #. Tag: para #, no-c-format msgid "TRUE" msgstr "" #. Tag: para #, no-c-format msgid "Is the cluster allowed to start and stop the resource? Allowed values: true, false is-managedResource Option Resource Option ResourceOptionis-managed Optionis-managed is-managed " msgstr "" #. Tag: para #, no-c-format msgid "resource-stickiness" msgstr "" #. Tag: para #, no-c-format msgid "Calculated" msgstr "" #. Tag: para #, no-c-format msgid "How much does the resource prefer to stay where it is? Defaults to the value of resource-stickiness in the rsc_defaults section resource-stickinessResource Option Resource Option ResourceOptionresource-stickiness Optionresource-stickiness resource-stickiness " msgstr "" #. Tag: para #, no-c-format msgid "requires" msgstr "" #. Tag: para #, no-c-format msgid "Under what conditions can the resource be started. (Since 1.1.8)" msgstr "" #. Tag: para #, no-c-format msgid "Defaults to fencing unless stonith-enabled is false or class is stonith - under those conditions the default is quorum. Possible values:" msgstr "" #. Tag: para #, no-c-format msgid "* nothing - can always be started" msgstr "" #. Tag: para #, no-c-format msgid "* quorum - The cluster can only start this resource if a majority of the configured nodes are active" msgstr "" #. Tag: para #, no-c-format msgid "* fencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off." msgstr "" #. Tag: para #, no-c-format msgid "* unfencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off and only on nodes that have been unfenced indexterm: Option[requires,Resource] ResourceOptionrequires Optionrequires requires " msgstr "" #. Tag: para #, no-c-format msgid "migration-threshold" msgstr "" #. Tag: para #, no-c-format msgid "INFINITY (disabled)" msgstr "" #. Tag: para #, no-c-format msgid "How many failures may occur for this resource on a node, before this node is marked ineligible to host this resource. migration-thresholdResource Option Resource Option ResourceOptionmigration-threshold Optionmigration-threshold migration-threshold " msgstr "" #. Tag: para #, no-c-format msgid "failure-timeout" msgstr "" #. Tag: para #, no-c-format msgid "0 (disabled)" msgstr "" #. Tag: para #, no-c-format msgid "How many seconds to wait before acting as if the failure had not occurred, and potentially allowing the resource back to the node on which it failed. failure-timeoutResource Option Resource Option ResourceOptionfailure-timeout Optionfailure-timeout failure-timeout " msgstr "" #. Tag: para #, no-c-format msgid "multiple-active" msgstr "" #. Tag: para #, no-c-format msgid "stop_start" msgstr "" #. Tag: para #, no-c-format msgid "What should the cluster do if it ever finds the resource active on more than one node. Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* block - mark the resource as unmanaged" msgstr "" #. Tag: para #, no-c-format msgid "* stop_only - stop all active instances and leave them that way" msgstr "" #. Tag: para #, no-c-format msgid "* stop_start - stop all active instances and start the resource in one location only" msgstr "" #. Tag: para #, no-c-format msgid " multiple-activeResource Option Resource Option ResourceOptionmultiple-active Optionmultiple-active multiple-active " msgstr "" #. Tag: para #, no-c-format msgid "If you performed the following commands on the previous LSB Email resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource --meta --resource Email --set-parameter priority --property-value 100\n" "# crm_resource --meta --resource Email --set-parameter multiple-active --property-value block" msgstr "" #. Tag: para #, no-c-format msgid "the resulting resource definition would be" msgstr "" #. Tag: title #, no-c-format msgid "An LSB resource with cluster options" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Email\" class=\"lsb\" type=\"exim\">\n" " <meta_attributes id=\"meta-email\">\n" " <nvpair id=\"email-priority\" name=\"priority\" value=\"100\"/>\n" " <nvpair id=\"email-active\" name=\"multiple-active\" value=\"block\"/>\n" " </meta_attributes>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Setting Global Defaults for Resource Options" msgstr "" #. Tag: para #, no-c-format msgid "To set a default value for a resource option, simply add it to the rsc_defaults section with crm_attribute. Thus," msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false" msgstr "" #. Tag: para #, no-c-format msgid "would prevent the cluster from starting or stopping any of the resources in the configuration (unless of course the individual resources were specifically enabled and had is-managed set to true)." msgstr "" #. Tag: title #, no-c-format msgid "Instance Attributes" msgstr "" #. Tag: para #, no-c-format msgid "The scripts of some resource classes (LSB not being one of them) can be given parameters which determine how they behave and which instance of a service they control." msgstr "" #. Tag: para #, no-c-format msgid "If your resource agent supports parameters, you can add them with the crm_resource command. For instance" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4" msgstr "" #. Tag: para #, no-c-format msgid "would create an entry in the resource like this:" msgstr "" #. Tag: title #, no-c-format msgid "An example OCF resource with instance attributes" msgstr "" #. Tag: para #, no-c-format msgid "For an OCF resource, the result would be an environment variable called OCF_RESKEY_ip with a value of 1.2.3.4." msgstr "" #. Tag: para #, no-c-format msgid "The list of instance attributes supported by an OCF script can be found by calling the resource script with the meta-data command. The output contains an XML description of all the supported attributes, their purpose and default values." msgstr "" #. Tag: title #, no-c-format msgid "Displaying the metadata for the Dummy resource agent template" msgstr "" #. Tag: programlisting #, no-c-format msgid "# export OCF_ROOT=/usr/lib/ocf\n" "# $OCF_ROOT/resource.d/pacemaker/Dummy meta-data" msgstr "" #. Tag: programlisting #, no-c-format msgid "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"Dummy\" version=\"0.9\">\n" " <version>1.0</version>\n" "\n" " <longdesc lang=\"en-US\">\n" " This is a Dummy Resource Agent. It does absolutely nothing except\n" " keep track of whether its running or not.\n" " Its purpose in life is for testing and to serve as a template for RA writers.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy resource agent</shortdesc>\n" "\n" " <parameters>\n" " <parameter name=\"state\" unique=\"1\">\n" " <longdesc lang=\"en-US\">\n" " Location to store the resource state in.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">State file</shortdesc>\n" " <content type=\"string\" default=\"/var/run/Dummy-{OCF_RESOURCE_INSTANCE}.state\" />\n" " </parameter>\n" "\n" " <parameter name=\"dummy\" unique=\"0\">\n" " <longdesc lang=\"en-US\">\n" " Dummy attribute that can be changed to cause a reload\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy attribute that can be changed to cause a reload</shortdesc>\n" " <content type=\"string\" default=\"blah\" />\n" " </parameter>\n" " </parameters>\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"monitor\" timeout=\"20\" interval=\"10\",height=\"0\" start-delay=\"0\" />\n" " <action name=\"reload\" timeout=\"90\" />\n" " <action name=\"migrate_to\" timeout=\"100\" />\n" " <action name=\"migrate_from\" timeout=\"90\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" #. Tag: title #, no-c-format msgid "Resource Operations" msgstr "" #. Tag: para #, no-c-format msgid " ResourceAction Action " msgstr "" #. Tag: title #, no-c-format msgid "Monitoring Resources for Failure" msgstr "" #. Tag: para #, no-c-format msgid "By default, the cluster will not ensure your resources are still healthy. To instruct the cluster to do this, you need to add a monitor operation to the resource’s definition." msgstr "" #. Tag: title #, no-c-format msgid "An OCF resource with a recurring health check" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Properties of an Operation" msgstr "" #. Tag: para #, no-c-format msgid "Your name for the action. Must be unique. idAction Property Action Property ActionPropertyid Propertyid id " msgstr "" #. Tag: para #, no-c-format msgid "name" msgstr "" #. Tag: para #, no-c-format msgid "The action to perform. Common values: monitor, start, stop nameAction Property Action Property ActionPropertyname Propertyname name " msgstr "" #. Tag: para #, no-c-format msgid "interval" msgstr "" #. Tag: para #, no-c-format msgid "How frequently (in seconds) to perform the operation. Default value: 0, meaning never. intervalAction Property Action Property ActionPropertyinterval Propertyinterval interval " msgstr "" #. Tag: para #, no-c-format msgid "timeout" msgstr "" #. Tag: para #, no-c-format msgid "How long to wait before declaring the action has failed. timeoutAction Property Action Property ActionPropertytimeout Propertytimeout timeout " msgstr "" #. Tag: para #, no-c-format msgid "on-fail" msgstr "" #. Tag: para #, no-c-format msgid "The action to take if this action ever fails. Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* ignore - Pretend the resource did not fail" msgstr "" #. Tag: para #, no-c-format msgid "* block - Don’t perform any further operations on the resource" msgstr "" #. Tag: para #, no-c-format msgid "* stop - Stop the resource and do not start it elsewhere" msgstr "" #. Tag: para #, no-c-format msgid "* restart - Stop the resource and start it again (possibly on a different node)" msgstr "" #. Tag: para #, no-c-format msgid "* fence - STONITH the node on which the resource failed" msgstr "" #. Tag: para #, no-c-format msgid "* standby - Move all resources away from the node on which the resource failed" msgstr "" #. Tag: para #, no-c-format msgid "The default for the stop operation is fence when STONITH is enabled and block otherwise. All other operations default to stop. on-failAction Property Action Property ActionPropertyon-fail Propertyon-fail on-fail " msgstr "" #. Tag: para #, no-c-format msgid "enabled" msgstr "" #. Tag: para #, no-c-format msgid "If false, the operation is treated as if it does not exist. Allowed values: true, false enabledAction Property Action Property ActionPropertyenabled Propertyenabled enabled " msgstr "" #. Tag: title #, no-c-format msgid "Setting Global Defaults for Operations" msgstr "" #. Tag: para #, no-c-format msgid "To set a default value for a operation option, simply add it to the op_defaults section with crm_attribute. Thus," msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --type op_defaults --attr-name timeout --attr-value 20s" msgstr "" #. Tag: para #, no-c-format msgid "would default each operation’s timeout to 20 seconds. If an operation’s definition also includes a value for timeout, then that value would be used instead (for that operation only)." msgstr "" #. Tag: title #, no-c-format msgid "When Resources Take a Long Time to Start/Stop" msgstr "" #. Tag: para #, no-c-format msgid "There are a number of implicit operations that the cluster will always perform - start, stop and a non-recurring monitor operation (used at startup to check the resource isn’t already active). If one of these is taking too long, then you can create an entry for them and simply specify a new value." msgstr "" #. Tag: title #, no-c-format msgid "An OCF resource with custom timeouts for its implicit actions" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-startup\" name=\"monitor\" interval=\"0\" timeout=\"90s\"/>\n" " <op id=\"public-ip-start\" name=\"start\" interval=\"0\" timeout=\"180s\"/>\n" " <op id=\"public-ip-stop\" name=\"stop\" interval=\"0\" timeout=\"15min\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Multiple Monitor Operations" msgstr "" #. Tag: para #, no-c-format msgid "Provided no two operations (for a single resource) have the same name and interval you can have as many monitor operations as you like. In this way you can do a superficial health check every minute and progressively more intense ones at higher intervals." msgstr "" #. Tag: para #, no-c-format msgid "To tell the resource agent what kind of check to perform, you need to provide each monitor with a different value for a common parameter. The OCF standard creates a special parameter called OCF_CHECK_LEVEL for this purpose and dictates that it is \"made available to the resource agent without the normal OCF_RESKEY prefix\"." msgstr "" #. Tag: para #, no-c-format msgid "Whatever name you choose, you can specify it by adding an instance_attributes block to the op tag. Note that it is up to each resource agent to look for the parameter and decide how to use it." msgstr "" #. Tag: title #, no-c-format msgid "An OCF resource with two recurring health checks, performing different levels of checks - specified via OCF_CHECK_LEVEL." msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-health-60\" name=\"monitor\" interval=\"60\">\n" " <instance_attributes id=\"params-public-ip-depth-60\">\n" " <nvpair id=\"public-ip-depth-60\" name=\"OCF_CHECK_LEVEL\" value=\"10\"/>\n" " </instance_attributes>\n" " </op>\n" " <op id=\"public-ip-health-300\" name=\"monitor\" interval=\"300\">\n" " <instance_attributes id=\"params-public-ip-depth-300\">\n" " <nvpair id=\"public-ip-depth-300\" name=\"OCF_CHECK_LEVEL\" value=\"20\"/>\n" " </instance_attributes>\n" " </op>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-level\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: title #, no-c-format msgid "Disabling a Monitor Operation" msgstr "" #. Tag: para #, no-c-format msgid "The easiest way to stop a recurring monitor is to just delete it. However, there can be times when you only want to disable it temporarily. In such cases, simply add enabled=\"false\" to the operation’s definition." msgstr "" #. Tag: title #, no-c-format msgid "Example of an OCF resource with a disabled health check" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\" enabled=\"false\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: para #, no-c-format msgid "This can be achieved from the command-line by executing" msgstr "" #. Tag: programlisting #, no-c-format msgid "# cibadmin -M -X '<op id=\"public-ip-check\" enabled=\"false\"/>'" msgstr "" #. Tag: para #, no-c-format msgid "Once you’ve done whatever you needed to do, you can then re-enable it with" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Rules.pot000066400000000000000000001043201217637305600237070ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Rules" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintRule ConstraintRule Rule " msgstr "" #. Tag: para #, no-c-format msgid "Rules can be used to make your configuration more dynamic. One common example is to set one value for resource-stickiness during working hours, to prevent resources from being moved back to their most preferred location, and another on weekends when no-one is around to notice an outage." msgstr "" #. Tag: para #, no-c-format msgid "Another use of rules might be to assign machines to different processing groups (using a node attribute) based on time and to then use that attribute when creating location constraints." msgstr "" #. Tag: para #, no-c-format msgid "Each rule can contain a number of expressions, date-expressions and even other rules. The results of the expressions are combined based on the rule’s boolean-op field to determine if the rule ultimately evaluates to true or false. What happens next depends on the context in which the rule is being used." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Rule" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "role" msgstr "" #. Tag: para #, no-c-format msgid "Limits the rule to apply only when the resource is in that role. Allowed values: Started, Slave, and Master. NOTE: A rule with role=\"Master\" can not determine the initial location of a clone instance. It will only affect which of the active instances will be promoted. roleConstraint Rule Constraint Rule ConstraintRulerole Rulerole role " msgstr "" #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, no-c-format msgid "The score to apply if the rule evaluates to true. Limited to use in rules that are part of location constraints. scoreConstraint Rule Constraint Rule ConstraintRulescore Rulescore score " msgstr "" #. Tag: para #, no-c-format msgid "score-attribute" msgstr "" #. Tag: para #, no-c-format msgid "The node attribute to look up and use as a score if the rule evaluates to true. Limited to use in rules that are part of location constraints. score-attributeConstraint Rule Constraint Rule ConstraintRulescore-attribute Rulescore-attribute score-attribute " msgstr "" #. Tag: para #, no-c-format msgid "boolean-op" msgstr "" #. Tag: para #, no-c-format msgid "How to combine the result of multiple expression objects. Allowed values: and and or. boolean-opConstraint Rule Constraint Rule ConstraintRuleboolean-op Ruleboolean-op boolean-op " msgstr "" #. Tag: title #, no-c-format msgid "Node Attribute Expressions" msgstr "" #. Tag: para #, no-c-format msgid " ResourceConstraintAttribute Expression ConstraintAttribute Expression Attribute Expression " msgstr "" #. Tag: para #, no-c-format msgid "Expression objects are used to control a resource based on the attributes defined by a node or nodes. In addition to any attributes added by the administrator, each node has a built-in node attribute called #uname that can also be used." msgstr "" #. Tag: title #, no-c-format msgid "Properties of an Expression" msgstr "" #. Tag: para #, no-c-format msgid "value" msgstr "" #. Tag: para #, no-c-format msgid "User supplied value for comparison valueConstraint Expression Constraint Expression ConstraintAttribute Expressionvalue Attribute Expressionvalue value " msgstr "" #. Tag: para #, no-c-format msgid "attribute" msgstr "" #. Tag: para #, no-c-format msgid "The node attribute to test attributeConstraint Expression Constraint Expression ConstraintAttribute Expressionattribute Attribute Expressionattribute attribute " msgstr "" #. Tag: para #, no-c-format msgid "type" msgstr "" #. Tag: para #, no-c-format msgid "Determines how the value(s) should be tested. Allowed values: string, integer, version typeConstraint Expression Constraint Expression ConstraintAttribute Expressiontype Attribute Expressiontype type " msgstr "" #. Tag: para #, no-c-format msgid "operation" msgstr "" #. Tag: para #, no-c-format msgid "The comparison to perform. Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* lt - True if the node attribute’s value is less than value" msgstr "" #. Tag: para #, no-c-format msgid "* gt - True if the node attribute’s value is greater than value" msgstr "" #. Tag: para #, no-c-format msgid "* lte - True if the node attribute’s value is less than or equal to value" msgstr "" #. Tag: para #, no-c-format msgid "* gte - True if the node attribute’s value is greater than or equal to value" msgstr "" #. Tag: para #, no-c-format msgid "* eq - True if the node attribute’s value is equal to value" msgstr "" #. Tag: para #, no-c-format msgid "* ne - True if the node attribute’s value is not equal to value" msgstr "" #. Tag: para #, no-c-format msgid "* defined - True if the node has the named attribute" msgstr "" #. Tag: para #, no-c-format msgid "* not_defined - True if the node does not have the named attribute operationConstraint Expression Constraint Expression ConstraintAttribute Expressionoperation Attribute Expressionoperation operation " msgstr "" #. Tag: title #, no-c-format msgid "Time/Date Based Expressions" msgstr "" #. Tag: para #, no-c-format msgid " Time Based Expressions ResourceConstraintDate/Time Expression ConstraintDate/Time Expression Date/Time Expression " msgstr "" #. Tag: para #, no-c-format msgid "As the name suggests, date_expressions are used to control a resource or cluster option based on the current date/time. They can contain an optional date_spec and/or duration object depending on the context." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Date Expression" msgstr "" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. startConstraint Expression Constraint Expression ConstraintDate/Time Expressionstart Date/Time Expressionstart start " msgstr "" #. Tag: para #, no-c-format msgid "end" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for start and a duration. endConstraint Expression Constraint Expression ConstraintDate/Time Expressionend Date/Time Expressionend end " msgstr "" #. Tag: para #, no-c-format msgid "Compares the current date/time with the start and/or end date, depending on the context. Allowed values:" msgstr "" #. Tag: para #, no-c-format msgid "* gt - True if the current date/time is after start" msgstr "" #. Tag: para #, no-c-format msgid "* lt - True if the current date/time is before end" msgstr "" #. Tag: para #, no-c-format msgid "* in-range - True if the current date/time is after start and before end" msgstr "" #. Tag: para #, no-c-format msgid "* date-spec - performs a cron-like comparison to the current date/time operationConstraint Expression Constraint Expression ConstraintDate/Time Expressionoperation Date/Time Expressionoperation operation " msgstr "" #. Tag: para #, no-c-format msgid "As these comparisons (except for date_spec) include the time, the eq, neq, gte and lte operators have not been implemented since they would only be valid for a single second." msgstr "" #. Tag: title #, no-c-format msgid "Date Specifications" msgstr "" #. Tag: para #, no-c-format msgid " Date Specification ResourceConstraintDate Specification ConstraintDate Specification Date Specification " msgstr "" #. Tag: para #, no-c-format msgid "date_spec objects are used to create cron-like expressions relating to time. Each field can contain a single number or a single range. Instead of defaulting to zero, any field not supplied is ignored." msgstr "" #. Tag: para #, no-c-format msgid "For example, monthdays=\"1\" matches the first day of every month and hours=\"09-17\" matches the hours between 9am and 5pm (inclusive). However, at this time one cannot specify weekdays=\"1,2\" or weekdays=\"1-2,5-6\" since they contain multiple ranges. Depending on demand, this may be implemented in a future release." msgstr "" #. Tag: title #, no-c-format msgid "Properties of a Date Spec" msgstr "" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the date idDate Specification Date Specification ConstraintDate Specificationid Date Specificationid id " msgstr "" #. Tag: para #, no-c-format msgid "hours" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-23 hoursDate Specification Date Specification ConstraintDate Specificationhours Date Specificationhours hours " msgstr "" #. Tag: para #, no-c-format msgid "monthdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-31 (depending on month and year) monthdaysDate Specification Date Specification ConstraintDate Specificationmonthdays Date Specificationmonthdays monthdays " msgstr "" #. Tag: para #, no-c-format msgid "weekdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-7 (1=Monday, 7=Sunday) weekdaysDate Specification Date Specification ConstraintDate Specificationweekdays Date Specificationweekdays weekdays " msgstr "" #. Tag: para #, no-c-format msgid "yeardays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-366 (depending on the year) yeardaysDate Specification Date Specification ConstraintDate Specificationyeardays Date Specificationyeardays yeardays " msgstr "" #. Tag: para #, no-c-format msgid "months" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-12 monthsDate Specification Date Specification ConstraintDate Specificationmonths Date Specificationmonths months " msgstr "" #. Tag: para #, no-c-format msgid "weeks" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-53 (depending on weekyear) weeksDate Specification Date Specification ConstraintDate Specificationweeks Date Specificationweeks weeks " msgstr "" #. Tag: para #, no-c-format msgid "years" msgstr "" #. Tag: para #, no-c-format msgid "Year according the Gregorian calendar yearsDate Specification Date Specification ConstraintDate Specificationyears Date Specificationyears years " msgstr "" #. Tag: para #, no-c-format msgid "weekyears" msgstr "" #. Tag: para #, no-c-format msgid "May differ from Gregorian years; Eg. 2005-001 Ordinal is also 2005-01-01 Gregorian is also 2004-W53-6 Weekly weekyearsDate Specification Date Specification ConstraintDate Specificationweekyears Date Specificationweekyears weekyears " msgstr "" #. Tag: para #, no-c-format msgid "moon" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added. moonDate Specification Date Specification ConstraintDate Specificationmoon Date Specificationmoon moon " msgstr "" #. Tag: title #, no-c-format msgid "Durations" msgstr "" #. Tag: para #, no-c-format msgid " Duration ResourceConstraintDuration ConstraintDuration Duration " msgstr "" #. Tag: para #, no-c-format msgid "Durations are used to calculate a value for end when one is not supplied to in_range operations. They contain the same fields as date_spec objects but without the limitations (ie. you can have a duration of 19 months). Like date_specs, any field not supplied is ignored." msgstr "" #. Tag: title #, no-c-format msgid "Sample Time Based Expressions" msgstr "" #. Tag: para #, no-c-format msgid "A small sample of how time based expressions can be used." msgstr "" #. Tag: title #, no-c-format msgid "True if now is any time in the year 2005" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule1\">\n" " <date_expression id=\"date_expr1\" start=\"2005-001\" operation=\"in_range\">\n" " <duration years=\"1\"/>\n" " </date_expression>\n" "</rule>" msgstr "" #. Tag: title #, no-c-format msgid "Equivalent expression" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule2\">\n" " <date_expression id=\"date_expr2\" operation=\"date_spec\">\n" " <date_spec years=\"2005\"/>\n" " </date_expression>\n" "</rule>" msgstr "" #. Tag: title #, no-c-format msgid "9am-5pm, Mon-Friday" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule3\">\n" " <date_expression id=\"date_expr3\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" "</rule>" msgstr "" #. Tag: para #, no-c-format msgid "Please note that the 16 matches up to 16:59:59, as the numeric value (hour) still matches!" msgstr "" #. Tag: title #, no-c-format msgid "9am-6pm, Mon-Friday, or all day saturday" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule4\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr4-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr4-2\" operation=\"date_spec\">\n" " <date_spec days=\"6\"/>\n" " </date_expression>\n" "</rule>" msgstr "" #. Tag: title #, no-c-format msgid "9am-5pm or 9pm-12pm, Mon-Friday" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule5\" boolean_op=\"and\">\n" " <rule id=\"rule5-nested1\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr5-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr5-2\" operation=\"date_spec\">\n" " <date_spec hours=\"21-23\"/>\n" " </date_expression>\n" " </rule>\n" " <date_expression id=\"date_expr5-3\" operation=\"date_spec\">\n" " <date_spec days=\"1-5\"/>\n" " </date_expression>\n" " </rule>" msgstr "" #. Tag: title #, no-c-format msgid "Mondays in March 2005" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule6\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr6-1\" operation=\"date_spec\">\n" " <date_spec weekdays=\"1\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr6-2\" operation=\"in_range\"\n" " start=\"2005-03-01\" end=\"2005-04-01\"/>\n" " </rule>" msgstr "" #. Tag: para #, no-c-format msgid "Because no time is specified, 00:00:00 is implied." msgstr "" #. Tag: para #, no-c-format msgid "This means that the range includes all of 2005-03-01 but none of 2005-04-01. You may wish to write end=\"2005-03-31T23:59:59\" to avoid confusion." msgstr "" #. Tag: title #, no-c-format msgid "A full moon on Friday the 13th" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"rule7\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr7\" operation=\"date_spec\">\n" " <date_spec weekdays=\"5\" monthdays=\"13\" moon=\"4\"/>\n" " </date_expression>\n" "</rule>" msgstr "" #. Tag: title #, no-c-format msgid "Using Rules to Determine Resource Location" msgstr "" #. Tag: para #, no-c-format msgid " RuleDetermine Resource Location Determine Resource Location ResourceLocationDetermine by Rules LocationDetermine by Rules Determine by Rules " msgstr "" #. Tag: para #, no-c-format msgid "If the constraint’s outer-most rule evaluates to false, the cluster treats the constraint as if it was not there. When the rule evaluates to true, the node’s preference for running the resource is updated with the score associated with the rule." msgstr "" #. Tag: para #, no-c-format msgid "If this sounds familiar, its because you have been using a simplified syntax for location constraint rules already. Consider the following location constraint:" msgstr "" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\"\n" " score=\"-INFINITY\" node=\"c001n03\"/>" msgstr "" #. Tag: para #, no-c-format msgid "This constraint can be more verbosely written as:" msgstr "" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03 - expanded version" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\">\n" " <rule id=\"dont-run-apache-rule\" score=\"-INFINITY\">\n" " <expression id=\"dont-run-apache-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"c00n03\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" #. Tag: para #, no-c-format msgid "The advantage of using the expanded form is that one can then add extra clauses to the rule, such as limiting the rule such that it only applies during certain times of the day or days of the week (this is discussed in subsequent sections)." msgstr "" #. Tag: para #, no-c-format msgid "It also allows us to match on node properties other than its name. If we rated each machine’s CPU power such that the cluster had the following nodes section:" msgstr "" #. Tag: title #, no-c-format msgid "A sample nodes section for use with score-attribute" msgstr "" #. Tag: programlisting #, no-c-format msgid "<nodes>\n" " <node id=\"uuid1\" uname=\"c001n01\" type=\"normal\">\n" " <instance_attributes id=\"uuid1-custom_attrs\">\n" " <nvpair id=\"uuid1-cpu_mips\" name=\"cpu_mips\" value=\"1234\"/>\n" " </instance_attributes>\n" " </node>\n" " <node id=\"uuid2\" uname=\"c001n02\" type=\"normal\">\n" " <instance_attributes id=\"uuid2-custom_attrs\">\n" " <nvpair id=\"uuid2-cpu_mips\" name=\"cpu_mips\" value=\"5678\"/>\n" " </instance_attributes>\n" " </node>\n" "</nodes>" msgstr "" #. Tag: para #, no-c-format msgid "then we could prevent resources from running on underpowered machines with the rule" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rule id=\"need-more-power-rule\" score=\"-INFINITY\">\n" " <expression id=\" need-more-power-expr\" attribute=\"cpu_mips\"\n" " operation=\"lt\" value=\"3000\"/>\n" "</rule>" msgstr "" #. Tag: title #, no-c-format msgid "Using score-attribute Instead of score" msgstr "" #. Tag: para #, no-c-format msgid "When using score-attribute instead of score, each node matched by the rule has its score adjusted differently, according to its value for the named node attribute. Thus, in the previous example, if a rule used score-attribute=\"cpu_mips\", c001n01 would have its preference to run the resource increased by 1234 whereas c001n02 would have its preference increased by 5678." msgstr "" #. Tag: title #, no-c-format msgid "Using Rules to Control Resource Options" msgstr "" #. Tag: para #, no-c-format msgid "Often some cluster nodes will be different from their peers; sometimes these differences (the location of a binary or the names of network interfaces) require resources to be configured differently depending on the machine they’re hosted on." msgstr "" #. Tag: para #, no-c-format msgid "By defining multiple instance_attributes objects for the resource and adding a rule to each, we can easily handle these special cases." msgstr "" #. Tag: para #, no-c-format msgid "In the example below, mySpecialRsc will use eth1 and port 9999 when run on node1, eth2 and port 8888 on node2 and default to eth0 and port 9999 for all other nodes." msgstr "" #. Tag: title #, no-c-format msgid "Defining different resource options based on the node name" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"special-node1\" score=\"3\">\n" " <rule id=\"node1-special-case\" score=\"INFINITY\" >\n" " <expression id=\"node1-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" " <nvpair id=\"node1-interface\" name=\"interface\" value=\"eth1\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"special-node2\" score=\"2\" >\n" " <rule id=\"node2-special-case\" score=\"INFINITY\">\n" " <expression id=\"node2-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node2\"/>\n" " </rule>\n" " <nvpair id=\"node2-interface\" name=\"interface\" value=\"eth2\"/>\n" " <nvpair id=\"node2-port\" name=\"port\" value=\"8888\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"defaults\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" #. Tag: para #, no-c-format msgid "The order in which instance_attributes objects are evaluated is determined by their score (highest to lowest). If not supplied, score defaults to zero and objects with an equal score are processed in listed order. If the instance_attributes object does not have a rule or has a rule that evaluates to true, then for any parameter the resource does not yet have a value for, the resource will use the parameter values defined by the instance_attributes object." msgstr "" #. Tag: title #, no-c-format msgid "Using Rules to Control Cluster Options" msgstr "" #. Tag: para #, no-c-format msgid " RuleControlling Cluster Options Controlling Cluster Options ClusterSetting Options with Rules Setting Options with Rules " msgstr "" #. Tag: para #, no-c-format msgid "Controlling cluster options is achieved in much the same manner as specifying different resource options on different nodes." msgstr "" #. Tag: para #, no-c-format msgid "The difference is that because they are cluster options, one cannot (or should not, because they won’t work) use attribute based expressions. The following example illustrates how to set a different resource-stickiness value during and outside of work hours. This allows resources to automatically move back to their most preferred hosts, but at a time that (in theory) does not interfere with business activities." msgstr "" #. Tag: title #, no-c-format msgid "Change resource-stickiness during working hours" msgstr "" #. Tag: programlisting #, no-c-format msgid "<rsc_defaults>\n" " <meta_attributes id=\"core-hours\" score=\"2\">\n" " <rule id=\"core-hour-rule\" score=\"0\">\n" " <date_expression id=\"nine-to-five-Mon-to-Fri\" operation=\"date_spec\">\n" " <date_spec id=\"nine-to-five-Mon-to-Fri-spec\" hours=\"9-16\" weekdays=\"1-5\"/>\n" " </date_expression>\n" " </rule>\n" " <nvpair id=\"core-stickiness\" name=\"resource-stickiness\" value=\"INFINITY\"/>\n" " </meta_attributes>\n" " <meta_attributes id=\"after-hours\" score=\"1\" >\n" " <nvpair id=\"after-stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" "</rsc_defaults>" msgstr "" #. Tag: title #, no-c-format msgid "Ensuring Time Based Rules Take Effect" msgstr "" #. Tag: para #, no-c-format msgid "A Pacemaker cluster is an event driven system. As such, it won’t recalculate the best place for resources to run in unless something (like a resource failure or configuration change) happens. This can mean that a location constraint that only allows resource X to run between 9am and 5pm is not enforced." msgstr "" #. Tag: para #, no-c-format msgid "If you rely on time based rules, it is essential that you set the cluster-recheck-interval option. This tells the cluster to periodically recalculate the ideal state of the cluster. For example, if you set cluster-recheck-interval=5m, then sometime between 9:00 and 9:05 the cluster would notice that it needs to start resource X, and between 17:00 and 17:05 it would realize that X needed to be stopped." msgstr "" #. Tag: para #, no-c-format msgid "Note that the timing of the actual start and stop actions depends on what else needs to be performed first ." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Status.pot000066400000000000000000000656121217637305600241120ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Status - Here be dragons" msgstr "" #. Tag: para #, no-c-format msgid "Most users never need to understand the contents of the status section and can be happy with the output from crm_mon." msgstr "" #. Tag: para #, no-c-format msgid "However for those with a curious inclination, this section attempts to provide an overview of its contents." msgstr "" #. Tag: title #, no-c-format msgid "Node Status" msgstr "" #. Tag: para #, no-c-format msgid " NodeStatus Status Status of a Node " msgstr "" #. Tag: para #, no-c-format msgid "In addition to the cluster’s configuration, the CIB holds an up-to-date representation of each cluster node in the status section." msgstr "" #. Tag: title #, no-c-format msgid "A bare-bones status entry for a healthy node called cl-virt-1" msgstr "" #. Tag: programlisting #, no-c-format msgid " <node_state id=\"cl-virt-1\" uname=\"cl-virt-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_update_resource\">\n" " <transient_attributes id=\"cl-virt-1\"/>\n" " <lrm id=\"cl-virt-1\"/>\n" " </node_state>" msgstr "" #. Tag: para #, no-c-format msgid "Users are highly recommended not to modify any part of a node’s state directly. The cluster will periodically regenerate the entire section from authoritative sources. So any changes should be done with the tools for those subsystems." msgstr "" #. Tag: title #, no-c-format msgid "Authoritative Sources for State Information" msgstr "" #. Tag: entry #, no-c-format msgid "Dataset" msgstr "" #. Tag: entry #, no-c-format msgid "Authoritative Source" msgstr "" #. Tag: para #, no-c-format msgid "node_state fields" msgstr "" #. Tag: para #, no-c-format msgid "crmd" msgstr "" #. Tag: para #, no-c-format msgid "transient_attributes tag" msgstr "" #. Tag: para #, no-c-format msgid "attrd" msgstr "" #. Tag: para #, no-c-format msgid "lrm tag" msgstr "" #. Tag: para #, no-c-format msgid "lrmd" msgstr "" #. Tag: para #, no-c-format msgid "The fields used in the node_state objects are named as they are largely for historical reasons and are rooted in Pacemaker’s origins as the Heartbeat resource manager." msgstr "" #. Tag: para #, no-c-format msgid "They have remained unchanged to preserve compatibility with older versions." msgstr "" #. Tag: title #, no-c-format msgid "Node Status Fields" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid " idNode Status Node Status NodeStatusid Statusid id Unique identifier for the node. Corosync based clusters use the uname of the machine, Heartbeat clusters use a human-readable (but annoying) UUID." msgstr "" #. Tag: para #, no-c-format msgid "uname" msgstr "" #. Tag: para #, no-c-format msgid " unameNode Status Node Status NodeStatusuname Statusuname uname The node’s machine name (output from uname -n)." msgstr "" #. Tag: para #, no-c-format msgid "ha" msgstr "" #. Tag: para #, no-c-format msgid " haNode Status Node Status NodeStatusha Statusha ha Flag specifying whether the cluster software is active on the node. Allowed values: active, dead." msgstr "" #. Tag: para #, no-c-format msgid "in_ccm" msgstr "" #. Tag: para #, no-c-format msgid " in_ccmNode Status Node Status NodeStatusin_ccm Statusin_ccm in_ccm Flag for cluster membership; allowed values: true, false." msgstr "" #. Tag: para #, no-c-format msgid "crmd" msgstr "" #. Tag: para #, no-c-format msgid " crmdNode Status Node Status NodeStatuscrmd Statuscrmd crmd Flag: is the crmd process active on the node? One of online, offline." msgstr "" #. Tag: para #, no-c-format msgid "join" msgstr "" #. Tag: para #, no-c-format msgid " joinNode Status Node Status NodeStatusjoin Statusjoin join Flag saying whether the node participates in hosting resources. Possible values: down, pending, member, banned." msgstr "" #. Tag: para #, no-c-format msgid "expected" msgstr "" #. Tag: para #, no-c-format msgid " expectedNode Status Node Status NodeStatusexpected Statusexpected expected Expected value for join." msgstr "" #. Tag: para #, no-c-format msgid "crm-debug-origin" msgstr "" #. Tag: para #, no-c-format msgid " crm-debug-originNode Status Node Status NodeStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin Diagnostic indicator: the origin of the most recent change(s)." msgstr "" #. Tag: para #, no-c-format msgid "The cluster uses these fields to determine if, at the node level, the node is healthy or is in a failed state and needs to be fenced." msgstr "" #. Tag: title #, no-c-format msgid "Transient Node Attributes" msgstr "" #. Tag: para #, no-c-format msgid "Like regular node attributes, the name/value pairs listed here also help to describe the node. However they are forgotten by the cluster when the node goes offline. This can be useful, for instance, when you want a node to be in standby mode (not able to run resources) until the next reboot." msgstr "" #. Tag: para #, no-c-format msgid "In addition to any values the administrator sets, the cluster will also store information about failed resources here." msgstr "" #. Tag: title #, no-c-format msgid "Example set of transient node attributes for node \"cl-virt-1\"" msgstr "" #. Tag: programlisting #, no-c-format msgid " <transient_attributes id=\"cl-virt-1\">\n" " <instance_attributes id=\"status-cl-virt-1\">\n" " <nvpair id=\"status-cl-virt-1-pingd\" name=\"pingd\" value=\"3\"/>\n" " <nvpair id=\"status-cl-virt-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " <nvpair id=\"status-cl-virt-1-fail-count-pingd:0\" name=\"fail-count-pingd:0\" value=\"1\"/>\n" " <nvpair id=\"status-cl-virt-1-last-failure-pingd:0\" name=\"last-failure-pingd:0\" value=\"1239009742\"/>\n" " </instance_attributes>\n" " </transient_attributes>" msgstr "" #. Tag: para #, no-c-format msgid "In the above example, we can see that the pingd:0 resource has failed once, at Mon Apr 6 11:22:22 2009. You can use the standard date command to print a human readable of any seconds-since-epoch value: # date -d @<parameter>number</parameter> We also see that the node is connected to three \"pingd\" peers and that all known resources have been checked for on this machine (probe_complete)." msgstr "" #. Tag: title #, no-c-format msgid "Operation History" msgstr "" #. Tag: para #, no-c-format msgid " Operation History " msgstr "" #. Tag: para #, no-c-format msgid "A node’s resource history is held in the lrm_resources tag (a child of the lrm tag). The information stored here includes enough information for the cluster to stop the resource safely if it is removed from the configuration section. Specifically the resource’s id, class, type and provider are stored." msgstr "" #. Tag: title #, no-c-format msgid "A record of the apcstonith resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\"/>" msgstr "" #. Tag: para #, no-c-format msgid "Additionally, we store the last job for every combination of resource, action and interval. The concatenation of the values in this tuple are used to create the id of the lrm_rsc_op object." msgstr "" #. Tag: title #, no-c-format msgid "Contents of an lrm_rsc_op job" msgstr "" #. Tag: para #, no-c-format msgid " idAction Status Action Status ActionStatusid Statusid id " msgstr "" #. Tag: para #, no-c-format msgid "Identifier for the job constructed from the resource’s id, operation and interval." msgstr "" #. Tag: para #, no-c-format msgid "call-id" msgstr "" #. Tag: para #, no-c-format msgid " call-idAction Status Action Status ActionStatuscall-id Statuscall-id call-id " msgstr "" #. Tag: para #, no-c-format msgid "The job’s ticket number. Used as a sort key to determine the order in which the jobs were executed." msgstr "" #. Tag: para #, no-c-format msgid "operation" msgstr "" #. Tag: para #, no-c-format msgid " operationAction Status Action Status ActionStatusoperation Statusoperation operation " msgstr "" #. Tag: para #, no-c-format msgid "The action the resource agent was invoked with." msgstr "" #. Tag: para #, no-c-format msgid "interval" msgstr "" #. Tag: para #, no-c-format msgid " intervalAction Status Action Status ActionStatusinterval Statusinterval interval " msgstr "" #. Tag: para #, no-c-format msgid "The frequency, in milliseconds, at which the operation will be repeated. A one-off job is indicated by 0." msgstr "" #. Tag: para #, no-c-format msgid "op-status" msgstr "" #. Tag: para #, no-c-format msgid " op-statusAction Status Action Status ActionStatusop-status Statusop-status op-status " msgstr "" #. Tag: para #, no-c-format msgid "The job’s status. Generally this will be either 0 (done) or -1 (pending). Rarely used in favor of rc-code." msgstr "" #. Tag: para #, no-c-format msgid "rc-code" msgstr "" #. Tag: para #, no-c-format msgid " rc-codeAction Status Action Status ActionStatusrc-code Statusrc-code rc-code " msgstr "" #. Tag: para #, no-c-format msgid "The job’s result. Refer to for details on what the values here mean and how they are interpreted." msgstr "" #. Tag: para #, no-c-format msgid "last-run" msgstr "" #. Tag: para #, no-c-format msgid " last-runAction Status Action Status ActionStatuslast-run Statuslast-run last-run " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job was executed." msgstr "" #. Tag: para #, no-c-format msgid "last-rc-change" msgstr "" #. Tag: para #, no-c-format msgid " last-rc-changeAction Status Action Status ActionStatuslast-rc-change Statuslast-rc-change last-rc-change " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job first returned the current value of rc-code." msgstr "" #. Tag: para #, no-c-format msgid "exec-time" msgstr "" #. Tag: para #, no-c-format msgid " exec-timeAction Status Action Status ActionStatusexec-time Statusexec-time exec-time " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Time, in milliseconds, that the job was running for." msgstr "" #. Tag: para #, no-c-format msgid "queue-time" msgstr "" #. Tag: para #, no-c-format msgid " queue-timeAction Status Action Status ActionStatusqueue-time Statusqueue-time queue-time " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Time, in seconds, that the job was queued for in the LRMd." msgstr "" #. Tag: para #, no-c-format msgid "crm_feature_set" msgstr "" #. Tag: para #, no-c-format msgid " crm_feature_setAction Status Action Status ActionStatuscrm_feature_set Statuscrm_feature_set crm_feature_set " msgstr "" #. Tag: para #, no-c-format msgid "The version which this job description conforms to. Used when processing op-digest." msgstr "" #. Tag: para #, no-c-format msgid "transition-key" msgstr "" #. Tag: para #, no-c-format msgid " transition-keyAction Status Action Status ActionStatustransition-key Statustransition-key transition-key " msgstr "" #. Tag: para #, no-c-format msgid "A concatenation of the job’s graph action number, the graph number, the expected result and the UUID of the crmd instance that scheduled it. This is used to construct transition-magic (below)." msgstr "" #. Tag: para #, no-c-format msgid "transition-magic" msgstr "" #. Tag: para #, no-c-format msgid " transition-magicAction Status Action Status ActionStatustransition-magic Statustransition-magic transition-magic " msgstr "" #. Tag: para #, no-c-format msgid "A concatenation of the job’s op-status, rc-code and transition-key. Guaranteed to be unique for the life of the cluster (which ensures it is part of CIB update notifications) and contains all the information needed for the crmd to correctly analyze and process the completed job. Most importantly, the decomposed elements tell the crmd if the job entry was expected and whether it failed." msgstr "" #. Tag: para #, no-c-format msgid "op-digest" msgstr "" #. Tag: para #, no-c-format msgid " op-digestAction Status Action Status ActionStatusop-digest Statusop-digest op-digest " msgstr "" #. Tag: para #, no-c-format msgid "An MD5 sum representing the parameters passed to the job. Used to detect changes to the configuration, to restart resources if necessary." msgstr "" #. Tag: para #, no-c-format msgid " crm-debug-originAction Status Action Status ActionStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. The origin of the current values." msgstr "" #. Tag: title #, no-c-format msgid "Simple Example" msgstr "" #. Tag: title #, no-c-format msgid "A monitor operation (determines current state of the apcstonith resource)" msgstr "" #. Tag: programlisting #, no-c-format msgid "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\">\n" " <lrm_rsc_op id=\"apcstonith_monitor_0\" operation=\"monitor\" call-id=\"2\"\n" " rc-code=\"7\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " op-digest=\"2e3da9274d3550dc6526fb24bfcbcba0\"\n" " transition-key=\"22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " transition-magic=\"0:7;22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"10\" queue-time=\"0\"/>\n" "</lrm_resource>" msgstr "" #. Tag: para #, no-c-format msgid "In the above example, the job is a non-recurring monitor operation often referred to as a \"probe\" for the apcstonith resource." msgstr "" #. Tag: para #, no-c-format msgid "The cluster schedules probes for every configured resource on when a new node starts, in order to determine the resource’s current state before it takes any further action." msgstr "" #. Tag: para #, no-c-format msgid "From the transition-key, we can see that this was the 22nd action of the 2nd graph produced by this instance of the crmd (2668bbeb-06d5-40f9-936d-24cb7f87006a)." msgstr "" #. Tag: para #, no-c-format msgid "The third field of the transition-key contains a 7, this indicates that the job expects to find the resource inactive." msgstr "" #. Tag: para #, no-c-format msgid "By looking at the rc-code property, we see that this was the case." msgstr "" #. Tag: para #, no-c-format msgid "As that is the only job recorded for this node we can conclude that the cluster started the resource elsewhere." msgstr "" #. Tag: title #, no-c-format msgid "Complex Resource History Example" msgstr "" #. Tag: title #, no-c-format msgid "Resource history of a pingd clone with multiple jobs" msgstr "" #. Tag: programlisting #, no-c-format msgid "<lrm_resource id=\"pingd:0\" type=\"pingd\" class=\"ocf\" provider=\"pacemaker\">\n" " <lrm_rsc_op id=\"pingd:0_monitor_30000\" operation=\"monitor\" call-id=\"34\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"30000\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_stop_0\" operation=\"stop\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" call-id=\"32\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " transition-key=\"11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_start_0\" operation=\"start\" call-id=\"33\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\" />\n" " <lrm_rsc_op id=\"pingd:0_monitor_0\" operation=\"monitor\" call-id=\"3\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"20\" queue-time=\"0\"/>\n" " </lrm_resource>" msgstr "" #. Tag: para #, no-c-format msgid "When more than one job record exists, it is important to first sort them by call-id before interpreting them." msgstr "" #. Tag: para #, no-c-format msgid "Once sorted, the above example can be summarized as:" msgstr "" #. Tag: para #, no-c-format msgid "A non-recurring monitor operation returning 7 (not running), with a call-id of 3" msgstr "" #. Tag: para #, no-c-format msgid "A stop operation returning 0 (success), with a call-id of 32" msgstr "" #. Tag: para #, no-c-format msgid "A start operation returning 0 (success), with a call-id of 33" msgstr "" #. Tag: para #, no-c-format msgid "A recurring monitor returning 0 (success), with a call-id of 34" msgstr "" #. Tag: para #, no-c-format msgid "The cluster processes each job record to build up a picture of the resource’s state. After the first and second entries, it is considered stopped and after the third it considered active." msgstr "" #. Tag: para #, no-c-format msgid "Based on the last operation, we can tell that the resource is currently active." msgstr "" #. Tag: para #, no-c-format msgid "Additionally, from the presence of a stop operation with a lower call-id than that of the start operation, we can conclude that the resource has been restarted. Specifically this occurred as part of actions 11 and 31 of transition 11 from the crmd instance with the key 2668bbeb…. This information can be helpful for locating the relevant section of the logs when looking for the source of a failure." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Stonith.pot000066400000000000000000000305141217637305600242500ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configure STONITH" msgstr "" #. Tag: para #, no-c-format msgid " STONITHConfiguration Configuration " msgstr "" #. Tag: title #, no-c-format msgid "What Is STONITH" msgstr "" #. Tag: para #, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "" #. Tag: para #, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "" #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "" #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "" #. Tag: para #, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "" #. Tag: para #, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "" #. Tag: para #, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "" #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "" #. Tag: para #, no-c-format msgid "Find the correct driver: stonith_admin --list-installed" msgstr "" #. Tag: para #, no-c-format msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run: stonith_admin --metadata --agent type" msgstr "" #. Tag: literallayout #, no-c-format msgid "The output should be XML formatted text containing additional\n" "parameter descriptions. We will endevor to make the output more\n" "friendly in a later version." msgstr "" #. Tag: para #, no-c-format msgid "Enter the shell crm Create an editable copy of the existing configuration cib new stonith Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: configure primitive …" msgstr "" #. Tag: para #, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "" #. Tag: para #, no-c-format msgid "Upload it into the CIB from the shell: cib commit stonith" msgstr "" #. Tag: para #, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "" #. Tag: title #, no-c-format msgid "Example" msgstr "" #. Tag: para #, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "" #. Tag: programlisting #, no-c-format msgid "# stonith_admin --metadata -a fence_ipmilan" msgstr "" #. Tag: programlisting #, no-c-format msgid "<?xml version=\"1.0\" ?>\n" "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" "<longdesc>\n" "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" "\n" "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" "<parameters>\n" " <parameter name=\"auth\" unique=\"1\">\n" " <getopt mixed=\"-A\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" " </parameter>\n" " <parameter name=\"ipaddr\" unique=\"1\">\n" " <getopt mixed=\"-a\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan IP to talk to</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd\" unique=\"1\">\n" " <getopt mixed=\"-p\" />\n" " <content type=\"string\" />\n" " <shortdesc>Password (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd_script\" unique=\"1\">\n" " <getopt mixed=\"-S\" />\n" " <content type=\"string\" />\n" " <shortdesc>Script to retrieve password (if required)</shortdesc>\n" " </parameter>\n" " <parameter name=\"lanplus\" unique=\"1\">\n" " <getopt mixed=\"-P\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Use Lanplus</shortdesc>\n" " </parameter>\n" " <parameter name=\"login\" unique=\"1\">\n" " <getopt mixed=\"-l\" />\n" " <content type=\"string\" />\n" " <shortdesc>Username/Login (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"action\" unique=\"1\">\n" " <getopt mixed=\"-o\" />\n" " <content type=\"string\" default=\"reboot\"/>\n" " <shortdesc>Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" " </parameter>\n" " <parameter name=\"timeout\" unique=\"1\">\n" " <getopt mixed=\"-t\" />\n" " <content type=\"string\" />\n" " <shortdesc>Timeout (sec) for IPMI operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"cipher\" unique=\"1\">\n" " <getopt mixed=\"-C\" />\n" " <content type=\"string\" />\n" " <shortdesc>Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" " </parameter>\n" " <parameter name=\"method\" unique=\"1\">\n" " <getopt mixed=\"-M\" />\n" " <content type=\"string\" default=\"onoff\"/>\n" " <shortdesc>Method to fence (onoff or cycle)</shortdesc>\n" " </parameter>\n" " <parameter name=\"power_wait\" unique=\"1\">\n" " <getopt mixed=\"-T\" />\n" " <content type=\"string\" default=\"2\"/>\n" " <shortdesc>Wait X seconds after on/off operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"delay\" unique=\"1\">\n" " <getopt mixed=\"-f\" />\n" " <content type=\"string\" />\n" " <shortdesc>Wait X seconds before fencing is started</shortdesc>\n" " </parameter>\n" " <parameter name=\"verbose\" unique=\"1\">\n" " <getopt mixed=\"-v\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Verbose mode</shortdesc>\n" " </parameter>\n" "</parameters>\n" "<actions>\n" " <action name=\"on\" />\n" " <action name=\"off\" />\n" " <action name=\"reboot\" />\n" " <action name=\"status\" />\n" " <action name=\"diag\" />\n" " <action name=\"list\" />\n" " <action name=\"monitor\" />\n" " <action name=\"metadata\" />\n" "</actions>\n" "</resource-agent>" msgstr "" #. Tag: para #, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm crm(live)# cib new stonith\n" "INFO: stonith shadow CIB created\n" "crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n" " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" " op monitor interval=\"60s\"" msgstr "" #. Tag: para #, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "crm(stonith)# configure property stonith-enabled=\"true\"\n" "crm(stonith)# configure shownode pcmk-1\n" "node pcmk-2\n" "primitive WebData ocf:linbit:drbd \\\n" " params drbd_resource=\"wwwdata\" \\\n" " op monitor interval=\"60s\"\n" "primitive WebFS ocf:heartbeat:Filesystem \\\n" " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" "primitive WebSite ocf:heartbeat:apache \\\n" " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" " op monitor interval=\"1min\"\n" "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" " params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" " op monitor interval=\"30s\"primitive ipmi-fencing stonith::fence_ipmilan \\ params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\ op monitor interval=\"60s\"ms WebDataClone WebData \\\n" " meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" "clone WebFSClone WebFS\n" "clone WebIP ClusterIP \\\n" " meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" "clone WebSiteClone WebSite\n" "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" "colocation website-with-ip inf: WebSiteClone WebIP\n" "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" "order apache-after-ip inf: WebIP WebSiteClone\n" "property $id=\"cib-bootstrap-options\" \\\n" " dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" " cluster-infrastructure=\"openais\" \\\n" " expected-quorum-votes=\"2\" \\\n" " stonith-enabled=\"true\" \\\n" " no-quorum-policy=\"ignore\"\n" "rsc_defaults $id=\"rsc-options\" \\\n" " resource-stickiness=\"100\"\n" "crm(stonith)# cib commit stonithINFO: commited 'stonith' shadow CIB to the cluster\n" "crm(stonith)# quit\n" "bye" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Ch-Utilization.pot000066400000000000000000000307021217637305600251320ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Utilization and Placement Strategy" msgstr "" #. Tag: title #, no-c-format msgid "Background" msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker decides where to place a resource according to the resource allocation scores on every node. The resource will be allocated to the node where the resource has the highest score. If the resource allocation scores on all the nodes are equal, by the default placement strategy, Pacemaker will choose a node with the least number of allocated resources for balancing the load. If the number of resources on each node is equal, the first eligible node listed in cib will be chosen to run the resource." msgstr "" #. Tag: para #, no-c-format msgid "Though resources are different. They may consume different amounts of the capacities of the nodes. Actually, we cannot ideally balance the load just according to the number of resources allocated to a node. Besides, if resources are placed such that their combined requirements exceed the provided capacity, they may fail to start completely or run with degraded performance." msgstr "" #. Tag: para #, no-c-format msgid "To take these into account, Pacemaker allows you to specify the following configurations:" msgstr "" #. Tag: para #, no-c-format msgid "The capacity a certain node provides." msgstr "" #. Tag: para #, no-c-format msgid "The capacity a certain resource requires." msgstr "" #. Tag: para #, no-c-format msgid "An overall strategy for placement of resources." msgstr "" #. Tag: title #, no-c-format msgid "Utilization attributes" msgstr "" #. Tag: para #, no-c-format msgid "To configure the capacity a node provides and the resource’s requirements, use utilization attributes. You can name the utilization attributes according to your preferences and define as many name/value pairs as your configuration needs. However, the attribute’s values must be integers." msgstr "" #. Tag: para #, no-c-format msgid "First, specify the capacities the nodes provide:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<node id=\"node1\" type=\"normal\" uname=\"node1\">\n" " <utilization id=\"node1-utilization\">\n" " <nvpair id=\"node1-utilization-cpu\" name=\"cpu\" value=\"2\"/>\n" " <nvpair id=\"node1-utilization-memory\" name=\"memory\" value=\"2048\"/>\n" " </utilization>\n" "</node>\n" "<node id=\"node2\" type=\"normal\" uname=\"node2\">\n" " <utilization id=\"node2-utilization\">\n" " <nvpair id=\"node2-utilization-cpu\" name=\"cpu\" value=\"4\"/>\n" " <nvpair id=\"node2-utilization-memory\" name=\"memory\" value=\"4096\"/>\n" " </utilization>\n" "</node>" msgstr "" #. Tag: para #, no-c-format msgid "Then, specify the capacities the resources require:" msgstr "" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"rsc-small\" class=\"ocf\" provider=\"pacemaker\" type=\"Dummy\">\n" " <utilization id=\"rsc-small-utilization\">\n" " <nvpair id=\"rsc-small-utilization-cpu\" name=\"cpu\" value=\"1\"/>\n" " <nvpair id=\"rsc-small-utilization-memory\" name=\"memory\" value=\"1024\"/>\n" " </utilization>\n" "</primitive>\n" "<primitive id=\"rsc-medium\" class=\"ocf\" provider=\"pacemaker\" type=\"Dummy\">\n" " <utilization id=\"rsc-medium-utilization\">\n" " <nvpair id=\"rsc-medium-utilization-cpu\" name=\"cpu\" value=\"2\"/>\n" " <nvpair id=\"rsc-medium-utilization-memory\" name=\"memory\" value=\"2048\"/>\n" " </utilization>\n" "</primitive>\n" "<primitive id=\"rsc-large\" class=\"ocf\" provider=\"pacemaker\" type=\"Dummy\">\n" " <utilization id=\"rsc-large-utilization\">\n" " <nvpair id=\"rsc-large-utilization-cpu\" name=\"cpu\" value=\"3\"/>\n" " <nvpair id=\"rsc-large-utilization-memory\" name=\"memory\" value=\"3072\"/>\n" " </utilization>\n" "</primitive>" msgstr "" #. Tag: para #, no-c-format msgid "A node is considered eligible for a resource if it has sufficient free capacity to satisfy the resource’s requirements. The nature of the required or provided capacities is completely irrelevant for Pacemaker, it just makes sure that all capacity requirements of a resource are satisfied before placing a resource to a node." msgstr "" #. Tag: title #, no-c-format msgid "Placement Strategy" msgstr "" #. Tag: para #, no-c-format msgid "After you have configured the capacities your nodes provide and the capacities your resources require, you need to set the placement-strategy in the global cluster options, otherwise the capacity configurations have no effect." msgstr "" #. Tag: para #, no-c-format msgid "Four values are available for the placement-strategy:" msgstr "" #. Tag: term #, no-c-format msgid "default" msgstr "" #. Tag: para #, no-c-format msgid "Utilization values are not taken into account at all, per default. Resources are allocated according to allocation scores. If scores are equal, resources are evenly distributed across nodes." msgstr "" #. Tag: term #, no-c-format msgid "utilization" msgstr "" #. Tag: para #, no-c-format msgid "Utilization values are taken into account when deciding whether a node is considered eligible if it has sufficient free capacity to satisfy the resource’s requirements. However, load-balancing is still done based on the number of resources allocated to a node." msgstr "" #. Tag: term #, no-c-format msgid "balanced" msgstr "" #. Tag: para #, no-c-format msgid "Utilization values are taken into account when deciding whether a node is eligible to serve a resource; an attempt is made to spread the resources evenly, optimizing resource performance." msgstr "" #. Tag: term #, no-c-format msgid "minimal" msgstr "" #. Tag: para #, no-c-format msgid "Utilization values are taken into account when deciding whether a node is eligible to serve a resource; an attempt is made to concentrate the resources on as few nodes as possible, thereby enabling possible power savings on the remaining nodes." msgstr "" #. Tag: para #, no-c-format msgid "Set placement-strategy with crm_attribute:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_attribute --attr-name placement-strategy --attr-value balanced" msgstr "" #. Tag: para #, no-c-format msgid "Now Pacemaker will ensure the load from your resources will be distributed evenly throughout the cluster - without the need for convoluted sets of colocation constraints." msgstr "" #. Tag: title #, no-c-format msgid "Allocation Details" msgstr "" #. Tag: title #, no-c-format msgid "Which node is preferred to be chosen to get consumed first on allocating resources?" msgstr "" #. Tag: para #, no-c-format msgid "The node that is most healthy (which has the highest node weight) gets consumed first." msgstr "" #. Tag: para #, no-c-format msgid "If their weights are equal:" msgstr "" #. Tag: para #, no-c-format msgid "If placement-strategy=\"default|utilization\", the node that has the least number of allocated resources gets consumed first." msgstr "" #. Tag: para #, no-c-format msgid "If their numbers of allocated resources are equal, the first eligible node listed in cib gets consumed first." msgstr "" #. Tag: para #, no-c-format msgid "If placement-strategy=\"balanced\", the node that has more free capacity gets consumed first." msgstr "" #. Tag: para #, no-c-format msgid "If the free capacities of the nodes are equal, the node that has the least number of allocated resources gets consumed first." msgstr "" #. Tag: para #, no-c-format msgid "If placement-strategy=\"minimal\", the first eligible node listed in cib gets consumed first." msgstr "" #. Tag: title #, no-c-format msgid "Which node has more free capacity?" msgstr "" #. Tag: para #, no-c-format msgid "This will be quite clear if we only define one type of capacity. While if we define multiple types of capacity, for example:" msgstr "" #. Tag: para #, no-c-format msgid "If nodeA has more free cpus, nodeB has more free memory, their free capacities are equal." msgstr "" #. Tag: para #, no-c-format msgid "If nodeA has more free cpus, while nodeB has more free memory and storage, nodeB has more free capacity." msgstr "" #. Tag: title #, no-c-format msgid "Which resource is preferred to be chosen to get assigned first?" msgstr "" #. Tag: para #, no-c-format msgid "The resource that has the highest priority gets allocated first." msgstr "" #. Tag: para #, no-c-format msgid "If their priorities are equal, check if they are already running. The resource that has the highest score on the node where it’s running gets allocated first (to prevent resource shuffling)." msgstr "" #. Tag: para #, no-c-format msgid "If the scores above are equal or they are not running, the resource has the highest score on the preferred node gets allocated first." msgstr "" #. Tag: para #, no-c-format msgid "If the scores above are equal, the first runnable resource listed in cib gets allocated first." msgstr "" #. Tag: title #, no-c-format msgid "Limitations" msgstr "" #. Tag: para #, no-c-format msgid "This type of problem Pacemaker is dealing with here is known as the knapsack problem and falls into the NP-complete category of computer science problems - which is fancy way of saying \"it takes a really long time to solve\"." msgstr "" #. Tag: para #, no-c-format msgid "Clearly in a HA cluster, it’s not acceptable to spend minutes, let alone hours or days, finding an optional solution while services remain unavailable." msgstr "" #. Tag: para #, no-c-format msgid "So instead of trying to solve the problem completely, Pacemaker uses a best effort algorithm for determining which node should host a particular service. This means it arrives at a solution much faster than traditional linear programming algorithms, but by doing so at the price of leaving some services stopped." msgstr "" #. Tag: para #, no-c-format msgid "In the contrived example above:" msgstr "" #. Tag: para #, no-c-format msgid "rsc-small would be allocated to node1" msgstr "" #. Tag: para #, no-c-format msgid "rsc-medium would be allocated to node2" msgstr "" #. Tag: para #, no-c-format msgid "rsc-large would remain inactive" msgstr "" #. Tag: para #, no-c-format msgid "Which is not ideal." msgstr "" #. Tag: title #, no-c-format msgid "Strategies for Dealing with the Limitations" msgstr "" #. Tag: para #, no-c-format msgid "Ensure you have sufficient physical capacity. It might sounds obvious, but if the physical capacity of your nodes is (close to) maxed out by the cluster under normal conditions, then failover isn’t going to go well. Even without the Utilization feature, you’ll start hitting timeouts and getting secondary failures'." msgstr "" #. Tag: para #, no-c-format msgid "Build some buffer into the capabilities advertised by the nodes. Advertise slightly more resources than we physically have on the (usually valid) assumption that a resource will not use 100% of the configured number of cpu/memory/etc all the time. This practice is also known as over commit." msgstr "" #. Tag: para #, no-c-format msgid "Specify resource priorities. If the cluster is going to sacrifice services, it should be the ones you care (comparatively) about the least. Ensure that resource priorities are properly set so that your most important resources are scheduled first." msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Pacemaker_Explained.pot000066400000000000000000000025371217637305600261550ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Receiving Notification for Cluster Events" msgstr "" #. Tag: title #, no-c-format msgid "Configuring Email Notifications" msgstr "" #. Tag: title #, no-c-format msgid "Configuring SNMP Notifications" msgstr "" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "" #. Tag: para #, no-c-format msgid "Project Website " msgstr "" #. Tag: para #, no-c-format msgid "Project Documentation " msgstr "" #. Tag: para #, no-c-format msgid "A comprehensive guide to cluster commands has been written by Novell" msgstr "" #. Tag: para #, no-c-format msgid "Heartbeat configuration: " msgstr "" #. Tag: para #, no-c-format msgid "Corosync Configuration: " msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Preface.pot000066400000000000000000000006271217637305600236370ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "" pacemaker-master/doc/Pacemaker_Explained/pot/Revision_History.pot000066400000000000000000000022361217637305600256070ustar00rootroot00000000000000# # AUTHOR , YEAR. # msgid "" msgstr "" "Project-Id-Version: 0\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-10-17T05:19:02\n" "Last-Translator: Automatically generated\n" "Language-Team: None\n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "" #. Tag: member #, no-c-format msgid "Cleanup and reformatting of docbook xml complete" msgstr "" #. Tag: member #, no-c-format msgid "Split book into chapters and pass validation" msgstr "" #. Tag: member #, no-c-format msgid "Re-organize book for use with Publican" msgstr "" #. Tag: member #, no-c-format msgid "Converted to asciidoc (which is converted to docbook for use with Publican)" msgstr "" pacemaker-master/doc/Pacemaker_Explained/publican.cfg.in000066400000000000000000000004001217637305600236140ustar00rootroot00000000000000# Config::Simple 4.59 # Tue Nov 10 22:28:47 2009 docname: Pacemaker_Explained version: @PACKAGE_SERIES@ xml_lang: en-US #edition: 1 type: Book brand: @PUBLICAN_BRAND@ product: Pacemaker chunk_first: 0 chunk_section_depth: 3 generate_section_toc_level: 4 pacemaker-master/doc/Pacemaker_Explained/ro-RO/000077500000000000000000000000001217637305600216755ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Changes.po000066400000000000000000000232571217637305600241540ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "What Changed in 1.0" msgstr "Ce S-a Schimbat în 1.0" #. Tag: title #, no-c-format msgid "New" msgstr "Nou" #. Tag: para #, no-c-format msgid "Failure timeouts. See " msgstr "Intervale de așteptare înainte de a declara un eșec. Vedeţi " #. Tag: para #, no-c-format msgid "New section for resource and operation defaults. See and " msgstr "O nouă secţiune pentru valorile implicite ale resurselor şi operaţiunilor. Vedeţi şi " #. Tag: para #, no-c-format msgid "Tool for making offline configuration changes. See " msgstr "Utilitar pentru realizarea de modificări ale configuraţiei offline. Vedeţi " #. Tag: para #, no-c-format msgid "Rules, instance_attributes, meta_attributes and sets of operations can be defined once and referenced in multiple places. See " msgstr "Rules, instance_attributes, meta_atributes şi seturile de operaţiuni pot fi definite o dată iar apoi pot fi referenţiate în mai multe locuri. Vedeţi " #. Tag: para #, no-c-format msgid "The CIB now accepts XPath-based create/modify/delete operations. See the cibadmin help text." msgstr "CIB-ul acum acceptă operaţiuni de creare/modificare/ştergere bazate pe tipul XPath. Vedeţi ajutorul textual pentru cibadmin." #. Tag: para #, no-c-format msgid "Multi-dimensional colocation and ordering constraints. See and " msgstr "Restricţii de ordonare şi colocare multi-dimensională. Vedeţi şi " #. Tag: para #, no-c-format msgid "The ability to connect to the CIB from non-cluster machines. See " msgstr "Posibilitatea de conectare la CIB de pe maşini care nu fac parte din cluster. Vedeţi " #. Tag: para #, no-c-format msgid "Allow recurring actions to be triggered at known times. See " msgstr "Permite declanşarea de acţiuni recurente la intervale cunoscute de timp. Vedeţi " #. Tag: title #, no-c-format msgid "Changed" msgstr "Modificat" #. Tag: para #, no-c-format msgid "Syntax" msgstr "Sintaxă" #. Tag: para #, no-c-format msgid "All resource and cluster options now use dashes (-) instead of underscores (_)" msgstr "Toate opţiunile şi resursele cluster-ului folosesc acum cratime (-) în loc de underscore (_)" #. Tag: para #, no-c-format msgid "master_slave was renamed to master" msgstr "master_slave a fost redenumit în master" #. Tag: para #, no-c-format msgid "The attributes container tag was removed" msgstr "Tag-ul attributes a fost scos" #. Tag: para #, no-c-format msgid "The operation field pre-req has been renamed requires" msgstr "Câmpul operaţiunii pre-req fost redenumit în requires" #. Tag: para #, no-c-format msgid "All operations must have an interval, start/stop must have it set to zero" msgstr "Toate operaţiunile trebuie să aibe un interval, cele de start/stop trebuie să îl aibe setat la zero" #. Tag: para #, no-c-format msgid "The stonith-enabled option now defaults to true." msgstr "Opţiunea stonith-enabled are acum valoarea implicită setată pe true." #. Tag: para #, no-c-format msgid "The cluster will refuse to start resources if stonith-enabled is true (or unset) and no STONITH resources have been defined" msgstr "Clusterul va refuza să pornească resurse dacă stonith-enabled este true (sau nu este setat) şi nici o resursă STONITH nu a fost definită" #. Tag: para #, no-c-format msgid "The attributes of colocation and ordering constraints were renamed for clarity. See and " msgstr "Atributele restricţiilor de colocare şi ordonare au fost redenumite pentru o mai bună claritate. Vedeţi şi " #. Tag: para #, no-c-format msgid "resource-failure-stickiness has been replaced by migration-threshold. See " msgstr "resource-failure-stickiness a fost înlocuită de migration-threshold. Vedeţi " #. Tag: para #, no-c-format msgid "The parameters for command-line tools have been made consistent" msgstr "Argumentele pentru utilitarele folosite în linia de comandă au fost aduse la o formă consistentă" #. Tag: para #, no-c-format msgid "Switched to RelaxNG schema validation and libxml2 parser" msgstr "" #. Tag: para #, no-c-format msgid "id fields are now XML IDs which have the following limitations:" msgstr "câmpurile id sunt acum ID-uri XML care au următoarele limitări:" #. Tag: para #, fuzzy, no-c-format msgid "id’s cannot contain colons (:)" msgstr "id-urile nu pot conţine două puncte (:)" #. Tag: para #, fuzzy, no-c-format msgid "id’s cannot begin with a number" msgstr "id-urile nu pot începe cu un număr" #. Tag: para #, fuzzy, no-c-format msgid "id’s must be globally unique (not just unique for that tag)" msgstr "id-urile trebuie să fie unice la nivel global (nu unice doar pentru acel tag)" #. Tag: para #, no-c-format msgid "Some fields (such as those in constraints that refer to resources) are IDREFs." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This means that they must reference existing resources or objects in order for the configuration to be valid. Removing an object which is referenced elsewhere will therefore fail." msgstr "Unele câmpuri (cum ar fi acelea care fac parte din restricţii care fac referinţă la resurse) sunt IDREF-uri. Acest lucru înseamnă că ele trebuie să facă referinţă către resurse sau obiecte existente pentru a fi validă configurarea. Eliminarea unui obiect care este referenţiat altundeva prin urmare va eşua." #. Tag: para #, no-c-format msgid "The CIB representation, from which a MD5 digest is calculated to verify CIBs on the nodes, has changed." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This means that every CIB update will require a full refresh on any upgraded nodes until the cluster is fully upgraded to 1.0. This will result in significant performance degradation and it is therefore highly inadvisable to run a mixed 1.0/0.6 cluster for any longer than absolutely necessary." msgstr "Reprezentarea CIB-ului din care se generează hash-ul MD5 folosit pentru a verifica CIB-ul s-a schimbat. Acest lucru înseamnă că fiecare actualizare a CIB-ului va necesita o reîmprospătare completă pe oricare dintre nodurile îmbunătăţite până ce clusterul va fi modernizat complet la 1.0. Acest aspect va duce la o degradare semnificativă a performanţei şi prin urmare este total nerecomandată rularea unui cluster mixt 1.0.0.6 pentru o perioadă mai lungă decât este absolut necesar." #. Tag: para #, fuzzy, no-c-format msgid "Ping node information no longer needs to be added to ha.cf." msgstr "Informaţii despre noduri către care se pot efectua verificări de tip ICMP (ping) nu mai trebuie adăugate în ha.cf Pur şi simplu includeţi lista de host-uri în resursa(ele) de tip ping." #. Tag: para #, no-c-format msgid "Simply include the lists of hosts in your ping resource(s)." msgstr "" #. Tag: title #, no-c-format msgid "Removed" msgstr "Scoase" #. Tag: para #, no-c-format msgid "It is no longer possible to set resource meta options as top-level attributes. Use meta attributes instead." msgstr "Nu mai este posibil să fie setate meta opţiunile resursei ca attribute de nivel înalt. Folosiţi meta atributele în schimb." #. Tag: para #, no-c-format msgid "Resource and operation defaults are no longer read from crm_config. See and instead." msgstr "Valorile implicite ale resurselor si operaţiunilor nu mai sunt citite din crm_config. Vedeţi şi în schimb." #~ msgid "Switched to RelaxNGRelaxNG schema validation and libxml2libxml2 parser" #~ msgstr "Am trecut la RelaxNGRelaxNG pentru validarea schemei şi libxml2libxml2 ca parser." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Debug.po000066400000000000000000000225471217637305600236330ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Debugging Cluster Startup" msgstr "Depanarea Pornirii Clusterului" #. Tag: title #, no-c-format msgid "Corosync" msgstr "Corosync" #. Tag: title #, no-c-format msgid "Prerequisites" msgstr "Premise" #. Tag: title #, no-c-format msgid "Minimum logging configuration" msgstr "Configuraţia minim necesară pentru log-uri" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "\n" " # /etc/init.d/openais start\n" " \n" " \n" " logging {\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " \n" " " msgstr "" "\n" " # /etc/init.d/openais start\n" "\t \n" "\t \n" " logging {\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "Whatever other logging you have, these two lines are required for Pacemaker clusters" msgstr "Indiferent de ce alte log-uri aveţi, aceste două linii sunt necesare pentru clusterele de tip Pacemaker" #. Tag: title #, no-c-format msgid "Confirm Corosync Started" msgstr "Confirmaţi că a Pornit Corosync" #. Tag: title #, no-c-format msgid "Expected output when starting openais" msgstr "Rezultatul aşteptat la pornirea openais" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # /etc/init.d/openais start\n" " \n" " \n" " Starting Corosync daemon (aisexec): starting... rc=0: OK\n" " \n" " " msgstr "" "\n" " # /etc/init.d/openais start\n" "\t \n" "\t \n" " Starting Corosync daemon (aisexec): starting... rc=0: OK\n" "\t \n" "\t " #. Tag: title #, no-c-format msgid "Expected log messages - startup" msgstr "Mesaje de log aşteptate - la pornire" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep -e \"openais.*network interface\" -e \"AIS Executive Service\" /var/log/messages\n" " \n" " \n" " Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80'\n" " Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service.\n" " Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up.\n" " \n" " " msgstr "" "\n" " # grep -e \"openais.*network interface\" -e \"AIS Executive Service\" /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:23:37 test1 openais[26337]: [MAIN ] AIS Executive Service RELEASE 'subrev 1152 version 0.80'\n" " Aug 27 16:23:38 test1 openais[26337]: [MAIN ] AIS Executive Service: started and ready to provide service.\n" " Aug 27 16:23:38 test1 openais[26337]: [TOTEM] The network interface [192.168.9.41] is now up.\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "The versions may differ, but you should see Corosync indicate it started and sucessfully attached to the machine's network interface" msgstr "Versiunile pot fi diferite, însă ar trebui să vedeţi Corosync indicând că a pornit şi s-a ataşat cu succes la interfaţa de reţea a maşinii" #. Tag: title #, no-c-format msgid "Expected log messages - membership" msgstr "Mesaje de log aşteptate - apartenenţă" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep CLM /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41)\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41\n" " \n" " " msgstr "" "\n" " # grep CLM /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] CLM CONFIGURATION CHANGE\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] New Configuration:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Left:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] Members Joined:\n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] r(0) ip(192.168.9.41) \n" " Aug 27 16:53:15 test1 openais[2166]: [CLM ] got nodejoin message 192.168.9.41\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "The exact messages will differ, but you should see a new membership formed with the real IP address of your node" msgstr "Mesajele exacte vor fi diferite, însă ar trebui sa vedeţi o nouă apartenenţă formată cu adresa IP reală a nodului vostru" #. Tag: title #, no-c-format msgid "Checking Pacemaker" msgstr "Verificarea Pacemaker" #. Tag: para #, no-c-format msgid "Now that we have confirmed that Corosync is functional we can check the rest of the stack." msgstr "Acum că am confirmat că procesul Corosync este funcţional putem verifica restul stivei." #. Tag: title #, no-c-format msgid "Expected Pacemaker startup logging for Corosync" msgstr "Log-urile aşteptate la pornirea Pacemaker pentru Corosync" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # grep pcmk_plugin_init /var/log/messages\n" " \n" " \n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1\n" " \n" " " msgstr "" "\n" " # grep pcmk_plugin_init /var/log/messages\n" "\t \n" "\t \n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: CRM: Initialized\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] Logging: Initialized pcmk_plugin_init\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Service: 9\n" " Aug 27 16:53:15 test1 openais[2166]: [pcmk ] info: pcmk_plugin_init: Local hostname: test1\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "If you don't see these messages, or some like them, there is likely a problem finding or loading the pacemaker plugin." msgstr "Dacă nu vedeţi aceste mesaje sau unele similare, este probabil o problemă în găsirea sau încărcarea plugin-ului pacemaker." #. Tag: title #, no-c-format msgid "Expected process listing on a 64-bit machine" msgstr "Lista de procese aşteptate pe o maşină pe 64 de biţi" #. Tag: screen #, fuzzy, no-c-format msgid "" "\n" " # ps axf\n" " \n" " \n" " 3718 ? Ssl 0:05 /usr/sbin/aisexec\n" " 3723 ? SLs 0:00 \\_ /usr/lib64/heartbeat/stonithd\n" " 3724 ? S 0:05 \\_ /usr/lib64/heartbeat/cib\n" " 3725 ? S 0:21 \\_ /usr/lib64/heartbeat/lrmd\n" " 3726 ? S 0:01 \\_ /usr/lib64/heartbeat/attrd\n" " 3727 ? S 0:00 \\_ /usr/lib64/heartbeat/pengine\n" " 3728 ? S 0:01 \\_ /usr/lib64/heartbeat/crmd\n" " \n" " " msgstr "" "\n" " # ps axf\n" "\t \n" "\t \n" " 3718 ? Ssl 0:05 /usr/sbin/aisexec\n" " 3723 ? SLs 0:00 \\_ /usr/lib64/heartbeat/stonithd\n" " 3724 ? S 0:05 \\_ /usr/lib64/heartbeat/cib\n" " 3725 ? S 0:21 \\_ /usr/lib64/heartbeat/lrmd\n" " 3726 ? S 0:01 \\_ /usr/lib64/heartbeat/attrd\n" " 3727 ? S 0:00 \\_ /usr/lib64/heartbeat/pengine\n" " 3728 ? S 0:01 \\_ /usr/lib64/heartbeat/crmd\n" "\t \n" "\t " #. Tag: caption #, no-c-format msgid "On 32-bit systems the exact path may differ, but all the above processes should be listed." msgstr "Pe sistemele pe 32 de biţi calea exactă poate fi diferită, dar toate procesele de mai sus ar trebui să fie listate." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-FAQ.po000066400000000000000000000167211217637305600232110ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "FAQ" msgstr "FAQ" #. Tag: title #, no-c-format msgid "History" msgstr "Istoric" #. Tag: para #, no-c-format msgid "Why is the Project Called PacemakernamingPacemaker?" msgstr "De ce este Proiectul Numit PacemakerdenumirePacemaker?" #. Tag: para #, no-c-format msgid "First of all, the reason its not called the CRM is because of the abundance of terms that are commonly abbreviated to those three letters." msgstr "În primul rând, motivul pentru care nu este denumit CRM este datorită abundenţei de termeni care sunt asociaţi în mod obişnuit cu acele trei litere." #. Tag: para #, no-c-format msgid "The Pacemaker name came from Kham, a good friend of mine, and was originally used by a Java GUI that I was prototyping in early 2007. Alas other commitments have prevented the GUI from progressing much and, when it came time to choose a name for this project, Lars suggested it was an even better fit for an independent CRM." msgstr "Numele de Pacemaker a provenit de la Kham, un bun prieten de-al meu, şi a fost folosit iniţial de către un GUI Java pentru care am creat prototipul în prima parte a anului 2007. Alte angajamente au împiedicat progresul semnificativ al GUI-ului şi când a venit momentul să alegem un nume pentru acest proiect, Lars a sugerat că ar fi o potrivire şi mai bună pentru un CRM independent." #. Tag: para #, no-c-format msgid "The idea stems from the analogy between the role of this software and that of the little device that keeps the human heart pumping. Pacemaker monitors the cluster and intervenes when necessary to ensure the smooth operation of the services it provides." msgstr "Ideea provine din analogia dintre rolul acestui software şi acela al micului dispozitiv care menţine inima umană pompând. Pacemaker monitorizează clusterul şi intervine când este necesar pentru a asigura operarea fluentă a serviciilor pe care le furnizează." #. Tag: para #, no-c-format msgid "There were a number of other names (and acronyms) tossed around, but suffice to say \"Pacemaker\" was the best" msgstr "Au existat un număr de alte nume (şi acronime) aruncate de colo, colo, dar este suficient să spun că \"Pacemaker\" a fost cel mai bun" #. Tag: para #, no-c-format msgid "Why was the Pacemaker Project Created?" msgstr "De ce a fost Creat Proiectul Pacemaker?" #. Tag: para #, no-c-format msgid "The decision was made to spin-off the CRM into its own project after the 2.1.3 Heartbeat release in order to" msgstr "Decizia a fost luată de a crea un produs secundar din CRM prin a avea proiectul propriu după lansarea Heartbeat 2.1.3 pentru a" #. Tag: para #, no-c-format msgid "support both the Corosync and Heartbeat cluster stacks equally" msgstr "suporta ambele stive de cluster, Corosync şi Heartbeat, în mod egal" #. Tag: para #, no-c-format msgid "decouple the release cycles of two projects at very different stages of their life-cycles" msgstr "decupla ciclurile de lansare ale celor două proiecte aflate la stadii foarte diferite ale ciclului vieţii acestora" #. Tag: para #, no-c-format msgid "foster the clearer package boundaries, thus leading to" msgstr "adopta graniţe mai clare legate de pachete, tinzând către" #. Tag: para #, no-c-format msgid "better and more stable interfaces" msgstr "interfeţe mai bune şi mai stabile" #. Tag: title #, no-c-format msgid "Setup" msgstr "Setup" #. Tag: para #, no-c-format msgid "What Messaging Layers Messaging Layers are Supported?" msgstr "Care Straturi de Mesagerie Straturi de Mesagerie sunt Suportate?" #. Tag: para #, no-c-format msgid "Corosync ()" msgstr "Corosync ()" #. Tag: para #, no-c-format msgid "Heartbeat ()" msgstr "Heartbeat ()" #. Tag: para #, no-c-format msgid "Can I Choose which Messaging Layer to use at Run Time?" msgstr "Pot Alege care Strat de Mesagerie să îl Folosesc la Momentul Rulării?" #. Tag: para #, no-c-format msgid "Yes. The CRM will automatically detect which started it and behave accordingly." msgstr "Da. CRM-ul va detecta în mod automat cine l-a pornit şi se va comporta în concordanţă." #. Tag: para #, no-c-format msgid "Can I Have a Mixed Heartbeat-Corosync Cluster?" msgstr "Pot Avea un Cluster Mixt Heartbeat-Corosync?" #. Tag: para #, no-c-format msgid "No." msgstr "Nu." #. Tag: para #, no-c-format msgid "Which Messaging Layer Should I Choose?" msgstr "Care Strat de Mesagerie ar trebui să îl aleg?" #. Tag: para #, no-c-format msgid "This is discussed in ." msgstr "Acest lucru este dscutat în ." #. Tag: para #, no-c-format msgid "Where Can I Get Pre-built Packages?" msgstr "De Unde Pot Obţine Pachete Pre-Compilate?" #. Tag: para #, no-c-format msgid "Official packages for most major .rpm and based distributions are available from the ClusterLabs Website." msgstr "Pachete oficiale pentru majoritatea distribuţiilor majore bazate pe .rpm sunt disponibile de pe WebSite-ul ClusterLabs." #. Tag: para #, no-c-format msgid "For Debian packages, building from source and details on using the above repositories, see our installation page." msgstr "Pentru pachete Debian, compilarea din sursă şi detalii asupra folosirii repositoarelor de mai sus, vedeți pagina noastră de instalare." #. Tag: para #, no-c-format msgid "What Versions of Pacemaker Are Supported?" msgstr "Care Versiuni de Pacemaker sunt Suportate?" #. Tag: para #, no-c-format msgid "Please refer to the Releases page for an up-to-date list of versions supported directly by the project." msgstr "Vă rugam să consultaţi pagina de Releases pentru o listă la zi a versiunilor suportate în mod direct de către proiect." #. Tag: para #, no-c-format msgid "When seeking assistance, please try to ensure you have one of these versions." msgstr "Când căutaţi asistenţă, vă rugăm să vă asiguraţi că aveţi una din versiunile acestea." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Install.po000066400000000000000000000262231217637305600242060ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Installation" msgstr "Instalare" #. Tag: para #, no-c-format msgid "The following text may no longer be accurate in some places." msgstr "" #. Tag: title #, no-c-format msgid "Choosing a Cluster Stack" msgstr "" #. Tag: para #, no-c-format msgid " ClusterChoosing Between Heartbeat and Corosync Choosing Between Heartbeat and Corosync Cluster StackCorosync Corosync Corosync Cluster StackHeartbeat Heartbeat Heartbeat " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Ultimately the choice of cluster stack is a personal decision that must be made in the context of you or your company’s needs and strategic direction. Pacemaker currently functions equally well with both stacks." msgstr "În ultimă instanţă alegerea unei stive de cluster este o decizie personală care trebuie realizată în contextul vostru sau al nevoilor şi direcţiei strategice ale companiei voastre. În momentul de faţă Pacemaker funcţionează la fel de bine cu ambele stive." #. Tag: para #, no-c-format msgid "Here are some factors that may influence the decision:" msgstr "În continuare sunt câţiva factori care ar putea influenţa decizia" #. Tag: para #, no-c-format msgid "SUSE/Novell, Red Hat and Oracle are all putting their collective weight behind the Corosync cluster stack." msgstr "SUSE/Novell, Red Hat şi Oracle îşi pun la contribuţie greutatea colectivă pentru a susţine stiva de cluster Corosync." #. Tag: para #, no-c-format msgid "Using Corosync gives your applications access to the following additional cluster services" msgstr "Folosirea Corosync oferă aplicaţiilor dvs. acces la următoarele servicii de cluster adiţionale" #. Tag: para #, no-c-format msgid "distributed locking service" msgstr "serviciu de blocare distribuit" #. Tag: para #, no-c-format msgid "extended virtual synchronization service" msgstr "serviciu de sincronie virtuală extinsă" #. Tag: para #, no-c-format msgid "cluster closed process group service" msgstr "serviciu de grup de procese închise de cluster" #. Tag: para #, no-c-format msgid "It is likely that Pacemaker, at some point in the future, will make use of some of these additional services not provided by Heartbeat" msgstr "Este probabil ca Pacemaker, la un moment dat în viitor, să utilizeze o parte din aceste servicii adiţionale care nu sunt furnizate de Heartbeat" #. Tag: title #, no-c-format msgid "Enabling Pacemaker" msgstr "Activarea Pacemaker" #. Tag: title #, no-c-format msgid "For Corosync" msgstr "Pentru Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The Corosync configuration is normally located in /etc/corosync/corosync.conf and an example for a machine with an address of 1.2.3.4 in a cluster communicating on port 1234 (without peer authentication and message encryption) is shown below." msgstr "Fişierul de configurare al Corosync se găseşte în mod normal în /etc/corosync/corosync.conf şi un exemplu pentru o maşină cu adresa 1.2.3.4 într-un cluster care comunică pe portul 1234 (fără autentificarea partenerului sau criptarea mesajelor) este prezentată mai jos." #. Tag: title #, no-c-format msgid "An example Corosync configuration file" msgstr "Un exemplu de fişier de configurare al Corosync" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " totem {\n" " version: 2\n" " secauth: off\n" " threads: 0\n" " interface {\n" " ringnumber: 0\n" " bindnetaddr: 1.2.3.4\n" " mcastaddr: 239.255.1.1\n" " mcastport: 1234\n" " }\n" " }\n" " logging {\n" " fileline: off\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " amf {\n" " mode: disabled\n" " }" msgstr "" "totem {\n" " version: 2\n" " secauth: off\n" " threads: 0\n" " interface {\n" " ringnumber: 0\n" " bindnetaddr: 1.2.3.4\n" " mcastaddr: 226.94.1.1\n" " mcastport: 1234\n" " }\n" " }\n" " logging {\n" " fileline: off\n" " to_syslog: yes\n" " syslog_facility: daemon\n" " }\n" " amf {\n" " mode: disabled\n" " }\n" "\t" #. Tag: para #, no-c-format msgid "The logging should be mostly obvious and the amf section refers to the Availability Management Framework and is not covered in this document." msgstr "Partea de loguri ar trebui să fie evidentă în cea mai mare parte şi secţiunea amf se referă la Availability Management Framework şi nu este acoperit în acest document." #. Tag: para #, fuzzy, no-c-format msgid "The interesting part of the configuration is the totem section. This is where we define how the node can communicate with the rest of the cluster and what protocol version and options (including encryption Please consult the Corosync website (http://www.corosync.org/) and documentation for details on enabling encryption and peer authentication for the cluster. ) it should use. Beginners are encouraged to use the values shown and modify the interface section based on their network." msgstr "Partea interesantă a configuraţiei o reprezintă secţiunea totem. Aici definim cum poate comunica un nod cu restul clusterului şi ce versiune de protocol şi opţiuni (incluzând criptarea Vă rugăm să consultaţi website-ul Corosync şi documentaţia pentru detalii despre activarea criptării şi a autentificării partenerului pentru cluster. ) ar trebui să folosească. Începătorii sunt încurajaţi să folosească valorile prezentate şi să modifice secţiunea referitoare la interfaţă pe baza reţelei acestora." #. Tag: para #, no-c-format msgid "It is also possible to configure Corosync for an IPv6 based environment. Simply configure bindnetaddr and mcastaddr with their IPv6 equivalents, eg." msgstr "Este totodată posibilă configurarea Corosync pentru un mediu bazat pe IPV6. Pur şi simplu configuraţi bindnetaddr şi mcastaddr cu echivalentele IPV6 ale acestora. ex." #. Tag: title #, no-c-format msgid "Example options for an IPv6 environment" msgstr "Exemple de opţiuni pentru un mediu IPV6" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " bindnetaddr: fec0::1:a800:4ff:fe00:20\n" " mcastaddr: ff05::1" msgstr "" "bindnetaddr: fec0::1:a800:4ff:fe00:20 \n" " mcastaddr: ff05::1\n" "\t " #. Tag: para #, no-c-format msgid "To tell Corosync to use the Pacemaker cluster manager, add the following fragment to a functional Corosync configuration and restart the cluster." msgstr "Pentru a îi spune Corosync-ului să folosească Pacemaker ca şi manager al clusterului, adăugaţi următorul fragment la o configuraţie funcţională de Corosync şi reporniţi clusterul." #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Corosync" msgstr "Fragment de configurare pentru a activa Pacemaker sub Corosync" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "aisexec {\n" " user: root\n" " group: root\n" "}\n" "service {\n" " name: pacemaker\n" " ver: 0\n" "}" msgstr "" "aisexec {\n" " user: root\n" " group: root\n" "}\n" "service {\n" " name: pacemaker\n" " ver: 0\n" "}\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "The cluster needs to be run as root so that its child processes (the lrmd in particular) have sufficient privileges to perform the actions requested of it. After all, a cluster manager that can’t add an IP address or start apache is of little use." msgstr "Clusterul trebuie să ruleze ca root pentru ca procesele copil ale acestuia (lrmd-ul în particular) să aibe suficiente privilegii pentru a îndeplini acţiunile care i s-au cerut. La urma urmei, un manager de cluster care nu poate să adauge o adresă IP sau să pornească apache este de puţin folos." #. Tag: para #, no-c-format msgid "The second directive is the one that actually instructs the cluster to run Pacemaker." msgstr "A doua directivă este cea care instruieşte de fapt clusterul să ruleze Pacemaker." #. Tag: title #, no-c-format msgid "For Heartbeat" msgstr "Pentru Heartbeat" #. Tag: para #, fuzzy, no-c-format msgid "Add the following to a functional ha.cf configuration file and restart Heartbeat:" msgstr "Adăugaţi următoarele la un fişier de configurare ha.cf funcţional şi reporniţi Heartbeat" #. Tag: title #, no-c-format msgid "Configuration fragment for enabling Pacemaker under Heartbeat" msgstr "Fragment de configurare pentru a activa Pacemaker sub Heartbeat" #. Tag: programlisting #, fuzzy, no-c-format msgid "crm respawn" msgstr "" "crm respawn\n" "\t " #~ msgid "Choosing a Cluster Stackchoosing oneCluster Stack" #~ msgstr "Alegerea unei Stive de Clusteralegerea uneiStive de Cluster" #~ msgid "Cluster StackCorosync CorosyncCorosync is an OSI Certified implementation of an industry standard (the Service Availability Forum Application Interface Specification)." #~ msgstr "Stivă de ClusterCorosync CorosyncCorosync este o implementare Certificată OSI a unui standard al industriei (Service Availability Forum Application Interface Specification)." #~ msgid "checkpoint service" #~ msgstr "serviciu punct de control" #~ msgid "To date, Pacemaker has received less real-world testing on Corosync than it has on Cluster StackHeartbeat HeartbeatHeartbeat." #~ msgstr "Până în acest moment, Pacemaker a avut parte de mai puţină testare \"real-world\" pe Corosync faţă de Stivă de ClusterHeartbeat HeartbeatHeartbeat" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-LSB.po000066400000000000000000000125231217637305600232160ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "init-Script LSB Compliance" msgstr "Este acest script de init compatibil LSB?" #. Tag: para #, fuzzy, no-c-format msgid "The relevant part of LSB spec includes a description of all the return codes listed here." msgstr "Partea relevantă a scripturi de init LSBscripturi de initcompatibilitatespecificaţiei LSB http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html include o descriere a tuturor codurilor de ieşire listate aici." #. Tag: para #, no-c-format msgid "Assuming some_service is configured correctly and currently not active, the following sequence will help you determine if it is LSB compatible:" msgstr "Sub presupunerea că some_service este configurat corect şi nu este activ în momentul de faţă, următoarea secvenţă vă poate ajuta să determinaţi dacă este compatibil LSB:" #. Tag: para #, no-c-format msgid "Start (stopped):" msgstr "Porneşte (oprit):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service start ; echo \"result: $?\"" msgstr " /etc/init.d/some_service start ; echo \"rezultat: $?\" " #. Tag: para #, no-c-format msgid "Did the service start?" msgstr "A pornit serviciul?" #. Tag: para #, no-c-format msgid "Did the command print result: 0 (in addition to the regular output)?" msgstr "A printat comanda rezultatul de ieşire: 0 (suplimentar faţă de rezultatul contextual normal)?" #. Tag: para #, no-c-format msgid "Status (running):" msgstr "Status (rulând):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service status ; echo \"result: $?\"" msgstr "/etc/init.d/some_service status ; echo \"rezultat: $?\" " #. Tag: para #, no-c-format msgid "Did the script accept the command?" msgstr "A acceptat scriptul comanda?" #. Tag: para #, no-c-format msgid "Did the script indicate the service was running?" msgstr "A indicat scriptul dacă serviciul rula?" #. Tag: para #, no-c-format msgid "Start (running):" msgstr "Porneşte (rulând):" #. Tag: para #, no-c-format msgid "Is the service still running?" msgstr "Serviciul încă rulează?" #. Tag: para #, no-c-format msgid "Stop (running):" msgstr "Opreşte (rulând):" #. Tag: programlisting #, fuzzy, no-c-format msgid "# /etc/init.d/some_service stop ; echo \"result: $?\"" msgstr "/etc/init.d/some_service stop ; echo \"rezultat: $?\" " #. Tag: para #, no-c-format msgid "Was the service stopped?" msgstr "A fost oprit serviciul?" #. Tag: para #, no-c-format msgid "Status (stopped):" msgstr "Status (oprit):" #. Tag: para #, no-c-format msgid "Did the script indicate the service was not running?" msgstr "A indicat scriptul faptul că serviciul nu rula?" #. Tag: para #, no-c-format msgid "Did the command print result: 3 (in addition to the regular output)?" msgstr "A printat comanda rezultatul de ieşire: 3 (suplimentar faţă de rezultatul contextual normal)?" #. Tag: para #, no-c-format msgid "Stop (stopped):" msgstr "Opreşte (oprit):" #. Tag: para #, no-c-format msgid "Is the service still stopped?" msgstr "Este serviciul în continuare oprit?" #. Tag: para #, no-c-format msgid "Status (failed):" msgstr "Status (eşuat):" #. Tag: para #, no-c-format msgid "This step is not readily testable and relies on manual inspection of the script." msgstr "Acest pas nu este gata pentru a fi testat şi se bazează pe inspecţia manuală a scriptului." #. Tag: para #, no-c-format msgid "The script can use one of the error codes (other than 3) listed in the LSB spec to indicate that it is active but failed. This tells the cluster that before moving the resource to another node, it needs to stop it on the existing one first." msgstr "Scriptul poate folosi unul din codurile de eroare (altul decât 3) listate în specificaţia LSB pentru a indica faptul că este activ dar eşuat. Acesta îi spune clusterului ca înainte de a muta resursa pe alt nod, trebuie să o oprească mai întâi pe cel existent." #. Tag: para #, no-c-format msgid "If the answer to any of the above questions is no, then the script is not LSB compliant. Your options are then to either fix the script or write an OCF agent based on the existing script." msgstr "Dacă răspunsul la oricare din întrebările de mai sus este nu, atunci scriptul nu este compatibil LSB. Opţiunile disponibile în acel moment sunt fie de a repara scriptul fie de a scrie un agent OCF bazat pe scriptul existent." #~ msgid "/etc/init.d/some_service start ; echo \"result: $?\"" #~ msgstr "/etc/init.d/some_service start ; echo \"rezultat: $?\"" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-OCF.po000066400000000000000000001257271217637305600232200ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "More About OCF Resource Agents" msgstr "Mai Multe Despre Agenţii de Resursă OCF" #. Tag: title #, no-c-format msgid "Location of Custom Scripts" msgstr "Locaţia Scripturilor Personalizate" #. Tag: para #, fuzzy, no-c-format msgid " OCF Resource Agents OCF Resource Agents are found in /usr/lib/ocf/resource.d/provider." msgstr "Agenţii de Resursă OCFAgenţii de Resursă OCF se găsesc în /usr/lib/ocf/resource.d/furnizor." #. Tag: para #, fuzzy, no-c-format msgid "When creating your own agents, you are encouraged to create a new directory under /usr/lib/ocf/resource.d/ so that they are not confused with (or overwritten by) the agents shipped with Heartbeat." msgstr "Când vă creaţi proprii agenţi, sunteţi încurajaţi să creaţi un nou director sub /usr/lib/ocf/resource.d/ astfel încât aceştia să nu fie încurcaţi cu (sau suprascrişi de) agenţii livraţi împreună cu Heartbeat. Deci, de exemplu, dacă aţi fi ales numele de furnizor bigCorp şi aţi fi dorit o nouă resursă numită bigApp, aţi crea un script numit /usr/lib/ocf/resource.d/bigCorp/bigApp şi aţi defini o resursă:" #. Tag: para #, fuzzy, no-c-format msgid "So, for example, if you chose the provider name of bigCorp and wanted a new resource named bigApp, you would create a script called /usr/lib/ocf/resource.d/bigCorp/bigApp and define a resource:" msgstr "Când vă creaţi proprii agenţi, sunteţi încurajaţi să creaţi un nou director sub /usr/lib/ocf/resource.d/ astfel încât aceştia să nu fie încurcaţi cu (sau suprascrişi de) agenţii livraţi împreună cu Heartbeat. Deci, de exemplu, dacă aţi fi ales numele de furnizor bigCorp şi aţi fi dorit o nouă resursă numită bigApp, aţi crea un script numit /usr/lib/ocf/resource.d/bigCorp/bigApp şi aţi defini o resursă:" #. Tag: programlisting #, no-c-format msgid "<primitive id=\"custom-app\" class=\"ocf\" provider=\"bigCorp\" type=\"bigApp\"/>" msgstr "<primitive id=\"custom-app\" class=\"ocf\" provider=\"bigCorp\" type=\"bigApp\"/>" #. Tag: title #, no-c-format msgid "Actions" msgstr "Acţiuni" #. Tag: para #, no-c-format msgid "All OCF Resource Agents are required to implement the following actions" msgstr "Toţi Agenţii de Resursă OCF sunt obligaţi să implementeze următoarele acţiuni" #. Tag: title #, no-c-format msgid "Required Actions for OCF Agents" msgstr "Acţiuni Necesare pentru Agenţii OCF" #. Tag: entry #, no-c-format msgid "Action" msgstr "Acţiune" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: entry #, no-c-format msgid "Instructions" msgstr "Instrucţiuni" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "Start the resource" msgstr "Porneşte resursa" #. Tag: para #, fuzzy, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active. startOCF Action OCF Action OCFActionstart Actionstart start " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "stop" msgstr "" #. Tag: para #, no-c-format msgid "Stop the resource" msgstr "Opreşte resursa" #. Tag: para #, fuzzy, no-c-format msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped. stopOCF Action OCF Action OCFActionstop Actionstop stop " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "monitor" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Check the resource’s state" msgstr "Verifică starea resursei" #. Tag: para #, fuzzy, no-c-format msgid "Exit 0 if the resource is running, 7 if it is stopped, and anything else if it is failed. monitorOCF Action OCF Action OCFActionmonitor Actionmonitor monitor " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "NOTE: The monitor script should test the state of the resource on the local machine only." msgstr "NOTĂ: Scriptul de monitorizare ar trebui să testeze starea resursei numai pe maşina locală." #. Tag: para #, no-c-format msgid "meta-data" msgstr "" #. Tag: para #, no-c-format msgid "Describe the resource" msgstr "Descrie resursa" #. Tag: para #, fuzzy, no-c-format msgid "Provide information about this resource as an XML snippet. Exit with 0. meta-dataOCF Action OCF Action OCFActionmeta-data Actionmeta-data meta-data " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, fuzzy, no-c-format msgid "NOTE: This is not performed as root." msgstr "NOTĂ: Acest aspect nu este efectuat ca root." #. Tag: para #, no-c-format msgid "validate-all" msgstr "" #. Tag: para #, no-c-format msgid "Verify the supplied parameters" msgstr "Verifică dacă parametrii furnizaţi sunt corecţi" #. Tag: para #, fuzzy, no-c-format msgid "Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured. validate-allOCF Action OCF Action OCFActionvalidate-all Actionvalidate-all validate-all " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "Additional requirements (not part of the OCF specs) are placed on agents that will be used for advanced concepts like clones and multi-state resources." msgstr "Cerinţe suplimentare (care nu sunt parte din specificaţia OCF) sunt plasate pe agenţi care vor fi folosiţi pentru concepte avansate cum ar fi clone şi resurse multi-state." #. Tag: title #, no-c-format msgid "Optional Actions for OCF Agents" msgstr "Acţiuni Opţionale pentru Agenţi OCF" #. Tag: para #, no-c-format msgid "promote" msgstr "" #. Tag: para #, no-c-format msgid "Promote the local instance of a multi-state resource to the master/primary state." msgstr "Promovează instanţa locală a unei resurse multi-state la starea master/primară" #. Tag: para #, fuzzy, no-c-format msgid "Return 0 on success promoteOCF Action OCF Action OCFActionpromote Actionpromote promote " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "demote" msgstr "" #. Tag: para #, no-c-format msgid "Demote the local instance of a multi-state resource to the slave/secondary state." msgstr "Retrogradează instanţa locală a unei resurse multi-state la starea slave/secundară" #. Tag: para #, fuzzy, no-c-format msgid "Return 0 on success demoteOCF Action OCF Action OCFActiondemote Actiondemote demote " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "notify" msgstr "" #. Tag: para #, no-c-format msgid "Used by the cluster to send the agent pre and post notification events telling the resource what has happened and will happen." msgstr "Folosit de către cluster pentru a trimite agentului notificări pre şi post eveniment spunându-i resursei ceea ce se întâmplă sau ce tocmai s-a întâmplat" #. Tag: para #, fuzzy, no-c-format msgid "Must not fail. Must exit with 0 notifyOCF Action OCF Action OCFActionnotify Actionnotify notify " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "One action specified in the OCF specs is not currently used by the cluster:" msgstr "O acţiune specificată în specificaţiile OCF nu este folosită de către cluster în mod curent" #. Tag: para #, no-c-format msgid "recover - a variant of the start action, this should try to recover a resource locally." msgstr "recover - o variantă a acţiunii start, aceasta ar trebui să recupereze o resursă local." #. Tag: para #, fuzzy, no-c-format msgid "Remember to use ocf-tester ocf-tester to verify that your new agent complies with the OCF standard properly." msgstr "Nu uitaţi să folosiţi ocf-testerocf-tester pentru a verifica dacă noul vostru agent este compatibil cu standardul OCF." #. Tag: title #, no-c-format msgid "How are OCF Return Codes Interpreted?" msgstr "Cum sunt Interpretate Codurile de Ieșire OCF?" #. Tag: para #, no-c-format msgid "The first thing the cluster does is to check the return code against the expected result. If the result does not match the expected value, then the operation is considered to have failed and recovery action is initiated." msgstr "Primul lucru pe care îl face clusterul este să verifice codul de ieşire faţă de rezultatul aşteptat. Dacă rezultatul nu se potriveşte cu valoarea aşteptată, atunci este considerat că operaţiunea a eşuat şi acţiunea de recuperare este iniţiată." #. Tag: para #, no-c-format msgid "There are three types of failure recovery:" msgstr "Sunt trei tipuri de recuperare în caz de eşec:" #. Tag: title #, no-c-format msgid "Types of recovery performed by the cluster" msgstr "Tipuri de recuperare realizate de către cluster" #. Tag: entry #, no-c-format msgid "Type" msgstr "Tip" #. Tag: entry #, no-c-format msgid "Action Taken by the Cluster" msgstr "Acţiunea Luată de către Cluster" #. Tag: para #, no-c-format msgid "soft" msgstr "" #. Tag: para #, no-c-format msgid "A transient error occurred" msgstr "O eroare tranzientă a avut loc" #. Tag: para #, fuzzy, no-c-format msgid "Restart the resource or move it to a new location softOCF error OCF error OCFerrorsoft errorsoft soft " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "hard" msgstr "" #. Tag: para #, no-c-format msgid "A non-transient error that may be specific to the current node occurred" msgstr "O eroare non-tranzientă s-a produs care ar putea fi specifică nodului curent" #. Tag: para #, fuzzy, no-c-format msgid "Move the resource elsewhere and prevent it from being retried on the current node hardOCF error OCF error OCFerrorhard errorhard hard " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "fatal" msgstr "" #. Tag: para #, no-c-format msgid "A non-transient error that will be common to all cluster nodes (eg. a bad configuration was specified)" msgstr "O eroare non-tranzientă care va fi comună pe toate nodurile clusterului (ex.: o configuraţie greşită a fost specificată)" #. Tag: para #, fuzzy, no-c-format msgid "Stop the resource and prevent it from being started on any cluster node fatalOCF error OCF error OCFerrorfatal errorfatal fatal " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "Assuming an action is considered to have failed, the following table outlines the different OCF return codes and the type of recovery the cluster will initiate when it is received." msgstr "Plecând de la presupunerea că o acţiune este considerată că ar fi eşuat, următorul tabel evidenţiază diferitele coduri de ieşire OCF şi tipul de recuperare pe care o va iniţia clusterul când acest cod este primit." #. Tag: title #, fuzzy, no-c-format msgid "OCF Return Codes" msgstr "Cum sunt Interpretate Codurile de Ieșire OCF?" #. Tag: title #, no-c-format msgid "OCF Return Codes and their Recovery Types" msgstr "Codurile de Ieşire OCF şi Cum Sunt Ele Gestionate" #. Tag: entry #, no-c-format msgid "RC" msgstr "RC" #. Tag: entry #, no-c-format msgid "OCF Alias" msgstr "Alias OCF" #. Tag: entry #, no-c-format msgid "RT" msgstr "RT" #. Tag: para #, no-c-format msgid "0" msgstr "" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Success. The command completed successfully. This is the expected result for all start, stop, promote and demote commands. Return CodeOCF_SUCCESS OCF_SUCCESS Return Code0OCF_SUCCESS 0OCF_SUCCESS OCF_SUCCESS " msgstr "OCF_ERR_CONFIGURED Environment VariableOCF_ERR_CONFIGURED return codeOCF_ERR_CONFIGUREDOCF_ERR_CONFIGURED" #. Tag: para #, no-c-format msgid "1" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_GENERIC" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Generic \"there was a problem\" error code. Return CodeOCF_ERR_GENERIC OCF_ERR_GENERIC Return Code1OCF_ERR_GENERIC 1OCF_ERR_GENERIC OCF_ERR_GENERIC " msgstr "OCF_ERR_GENERIC Environment VariableOCF_ERR_GENERIC return codeOCF_ERR_GENERIC OCF_ERR_GENERIC" #. Tag: para #, no-c-format msgid "2" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_ARGS" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The resource’s configuration is not valid on this machine. Eg. refers to a location/tool not found on the node. Return CodeOCF_ERR_ARGS OCF_ERR_ARGS Return Code2OCF_ERR_ARGS 2OCF_ERR_ARGS OCF_ERR_ARGS " msgstr "OCF_ERR_ARGS Environment VariableOCF_ERR_ARGS return codeOCF_ERR_ARGSOCF_ERR_ARGS" #. Tag: para #, no-c-format msgid "3" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_UNIMPLEMENTED" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The requested action is not implemented. Return CodeOCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED Return Code3OCF_ERR_UNIMPLEMENTED 3OCF_ERR_UNIMPLEMENTED OCF_ERR_UNIMPLEMENTED " msgstr "OCF_ERR_UNIMPLEMENTED Environment VariableOCF_ERR_UNIMPLEMENTED return codeOCF_ERR_UNIMPLEMENTEDOCF_ERR_UNIMPLEMENTED" #. Tag: para #, no-c-format msgid "4" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_PERM" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The resource agent does not have sufficient privileges to complete the task. Return CodeOCF_ERR_PERM OCF_ERR_PERM Return Code4OCF_ERR_PERM 4OCF_ERR_PERM OCF_ERR_PERM " msgstr "OCF_ERR_PERM Environment VariableOCF_ERR_PERM return codeOCF_ERR_PERMOCF_ERR_PERM" #. Tag: para #, no-c-format msgid "5" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_INSTALLED" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The tools required by the resource are not installed on this machine. Return CodeOCF_ERR_INSTALLED OCF_ERR_INSTALLED Return Code5OCF_ERR_INSTALLED 5OCF_ERR_INSTALLED OCF_ERR_INSTALLED " msgstr "OCF_ERR_INSTALLED Environment VariableOCF_ERR_INSTALLED return codeOCF_ERR_INSTALLEDOCF_ERR_INSTALLED" #. Tag: para #, no-c-format msgid "6" msgstr "" #. Tag: para #, no-c-format msgid "OCF_ERR_CONFIGURED" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The resource’s configuration is invalid. Eg. required parameters are missing. Return CodeOCF_ERR_CONFIGURED OCF_ERR_CONFIGURED Return Code6OCF_ERR_CONFIGURED 6OCF_ERR_CONFIGURED OCF_ERR_CONFIGURED " msgstr "OCF_ERR_CONFIGURED Environment VariableOCF_ERR_CONFIGURED return codeOCF_ERR_CONFIGUREDOCF_ERR_CONFIGURED" #. Tag: para #, no-c-format msgid "7" msgstr "" #. Tag: para #, no-c-format msgid "OCF_NOT_RUNNING" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action. Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING Return Code7OCF_NOT_RUNNING 7OCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "OCF_ERR_CONFIGURED Environment VariableOCF_ERR_CONFIGURED return codeOCF_ERR_CONFIGUREDOCF_ERR_CONFIGURED" #. Tag: para #, no-c-format msgid "N/A" msgstr "" #. Tag: para #, no-c-format msgid "8" msgstr "" #. Tag: para #, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The resource is running in Master mode. Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER Return Code8OCF_RUNNING_MASTER 8OCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "OCF_RUNNING_MASTER Environment VariableOCF_RUNNING_MASTER return codeOCF_RUNNING_MASTEROCF_RUNNING_MASTER" #. Tag: para #, no-c-format msgid "9" msgstr "" #. Tag: para #, no-c-format msgid "OCF_FAILED_MASTER" msgstr "" #. Tag: para #, no-c-format msgid "The resource is in Master mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again. Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER Return Code9OCF_FAILED_MASTER 9OCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "" #. Tag: para #, no-c-format msgid "other" msgstr "" #. Tag: para #, no-c-format msgid "NA" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Custom error code. Return Codeother other " msgstr "return code00" #. Tag: para #, no-c-format msgid "Although counterintuitive, even actions that return 0 (aka. OCF_SUCCESS) can be considered to have failed." msgstr "" #. Tag: title #, no-c-format msgid "Exceptions" msgstr "Excepţii" #. Tag: para #, no-c-format msgid "Non-recurring monitor actions (probes) that find a resource active (or in Master mode) will not result in recovery action unless it is also found active elsewhere" msgstr "Acţiunile de monitorizare nerecurente (probele) care găsesc o resursă activă (sau în starea Master) nu vor rezulta într-o acţiune de recuperare decât dacă este găsită activă în altă parte" #. Tag: para #, fuzzy, no-c-format msgid "The recovery action taken when a resource is found active more than once is determined by the multiple-active property of the resource" msgstr "Acţiunea de recuperare luată când o resursă este găsită activă mai mult de o dată este determinată de proprietatea multiple-active a resursei" #. Tag: para #, fuzzy, no-c-format msgid "Recurring actions that return OCF_ERR_UNIMPLEMENTED do not cause any type of recovery" msgstr "Acţiunile recurente care returnează OCF_ERR_UNIMPLEMENTED nu cauzează nici un fel de recuperare" #~ msgid "start action actionstartstart" #~ msgstr "start action actionstartstart" #~ msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully active." #~ msgstr "Returnează 0 în caz de succes şi un cod de eroare potrivit în caz contrar. Nu trebuie să raporteze succes până ce resursa nu este complet activă." #~ msgid "stop action actionstopstop" #~ msgstr "stop action actionstopstop" #~ msgid "Return 0 on success and an appropriate error code otherwise. Must not report success until the resource is fully stopped." #~ msgstr "Returnează 0 în caz de succes şi un cod de eroare potrivit în caz contrar. Nu trebuie să raporteze succes până ce resursa nu este complet oprită." #~ msgid "monitor action actionmonitormonitor" #~ msgstr "monitor action actionmonitormonitor" #~ msgid "Exit 0 if the resource is running, 7 if it is stopped, and anything else if it is failed." #~ msgstr "Iese cu 0 dacă resursa rulează, 7 dacă este oprită şi orice altceva dacă a eşuat." #~ msgid "meta-data action actionmeta-datameta-data" #~ msgstr "meta-data action actionmeta-datameta-data" #~ msgid "Provide information about this resource as an XML snippet. Exit with 0." #~ msgstr "Furnizează informaţii despre această resursă ca un extras XML. Iese cu 0." #~ msgid "validate-all action actionvalidate-allvalidate-all" #~ msgstr "validate-all action actionvalidate-allvalidate-all" #~ msgid "Exit with 0 if parameters are valid, 2 if not valid, 6 if resource is not configured." #~ msgstr "Iese cu 0 dacă parametrii sunt valizi, 2 dacă nu sunt valizi, 6 dacă resursa nu este configurată." #~ msgid "promote action actionpromotepromote" #~ msgstr "promote action actionpromotepromote" #~ msgid "Return 0 on success." #~ msgstr "Returnează 0 în caz de succes." #~ msgid "demote action actiondemotedemote" #~ msgstr "demote action actiondemotedemote" #~ msgid "notify action actionnotifynotify" #~ msgstr "notify action actionnotifynotify" #~ msgid "Must not fail. Must exit with 0." #~ msgstr "Nu trebuie să fie eşueze. Trebuie să iasă cu 0" #~ msgid "soft error type error typesoftsoft" #~ msgstr "soft error type error typesoftsoft" #~ msgid "Restart the resource or move it to a new location" #~ msgstr "Reporneşte resursa sau mut-o într-o locaţie nouă" #~ msgid "hard error type error typehardhard" #~ msgstr "hard error type error typehardhard" #~ msgid "Move the resource elsewhere and prevent it from being retried on the current node" #~ msgstr "Mută resursa în altă parte şi previne reîncercarea acesteia pe nodul curent" #~ msgid "fatal error type error typefatalfatal" #~ msgstr "fatal error type error typefatalfatal" #~ msgid "Stop the resource and prevent it from being started on any cluster node" #~ msgstr "Opreşte resursa si împiedică pornirea acesteia pe oricare nod al clusterului" #~ msgid "OCF_SUCCESS Environment VariableOCF_SUCCESS return codeOCF_SUCCESSOCF_SUCCESS" #~ msgstr "OCF_SUCCESS Environment VariableOCF_SUCCESS return codeOCF_SUCCESSOCF_SUCCESS" #~ msgid "Success. The command completed successfully. This is the expected result for all start, stop, promote and demote commands." #~ msgstr "Succes. Comanda a fost rulată cu succes. Acesta este rezultatul aşteptat pentru toate comenzile start, stop, promote şi demote." #~ msgid "soft" #~ msgstr "soft" #~ msgid "return code11" #~ msgstr "return code11" #~ msgid "Generic \"there was a problem\" error code." #~ msgstr "Cod de eroare generic \"a fost o problemă\"" #~ msgid "return code22" #~ msgstr "return code22" #~ msgid "The resource's configuration is not valid on this machine. Eg. refers to a location/tool not found on the node." #~ msgstr "Configuraţia resursei nu este validă pe această maşină. Ex. Face referinţă la o/un locaţie/utilitar care nu a fost găsit/ă pe acest nod." #~ msgid "hard" #~ msgstr "hard" #~ msgid "return code33" #~ msgstr "return code33" #~ msgid "The requested action is not implemented." #~ msgstr "Acţiunea solicitată nu este implementată." #~ msgid "return code44" #~ msgstr "return code44" #~ msgid "The resource agent does not have sufficient privileges to complete the task." #~ msgstr "Agentul de resursă nu are suficiente privilegii pentru a îndeplini sarcina." #~ msgid "return code55" #~ msgstr "return code55" #~ msgid "The tools required by the resource are not installed on this machine." #~ msgstr "Utilitarele necesitate de către resursă nu sunt instalate pe această maşină." #~ msgid "return code66" #~ msgstr "return code66" #~ msgid "The resource's configuration is invalid. Eg. required parameters are missing." #~ msgstr "Configuraţia resursei este invalidă. Ex. Un parametru necesar lipseşte." #~ msgid "fatal" #~ msgstr "fatal" #~ msgid "return code77" #~ msgstr "return code77" #~ msgid "OCF_NOT_RUNNING Environment VariableOCF_NOT_RUNNING return codeOCF_NOT_RUNNINGOCF_NOT_RUNNING" #~ msgstr "OCF_NOT_RUNNING Environment VariableOCF_NOT_RUNNING return codeOCF_NOT_RUNNINGOCF_NOT_RUNNING" #~ msgid "The resource is safely stopped. The cluster will not attempt to stop a resource that returns this for any action." #~ msgstr "Resursa a fost oprită cu succes. Clusterul nu va încerca să oprească o resursă care returnează acest cod pentru orice acţiune." #~ msgid "N/A" #~ msgstr "N/A" #~ msgid "return code88" #~ msgstr "return code88" #~ msgid "The resource is running in Master mode." #~ msgstr "Resursa rulează în modul Master." #~ msgid "return code99" #~ msgstr "return code99" #~ msgid "OCF_FAILED_MASTER Environment VariableOCF_FAILED_MASTER return codeOCF_FAILED_MASTEROCF_FAILED_MASTER" #~ msgstr "OCF_FAILED_MASTER Environment VariableOCF_FAILED_MASTER return codeOCF_FAILED_MASTEROCF_FAILED_MASTER" #~ msgid "The resource is in Master mode but has failed. The resource will be demoted, stopped and then started (and possibly promoted) again." #~ msgstr "Resursa este în modul Master dar a eşuat. Resursa va fi retrogradată, oprită şi apoi pornită (şi posibil promovată) din nou." #~ msgid "other return codes return codeotherother" #~ msgstr "other return codes return codeotherother" #~ msgid "NA" #~ msgstr "NA" #~ msgid "Custom error code." #~ msgstr "Cod de eroare personalizat." #~ msgid "Although counterintuitive, even actions that return 0 (aka. OCF_SUCCESS) can be considered to have failed. This can happen when a resource that is expected to be in the Master state is found running as a Slave, or when a resource is found active on multiple machines." #~ msgstr "Deşi contra intuitiv, chiar şi acţiunile care returnează 0 (aka. OCF_SUCCESS) pot fi considerate că ar fi eşuat. Acest lucru se poate întâmpla când o resursă care este de aşteptat să fie în starea Master este găsită rulând ca Slave sau când o resursă este găsită activă pe mai multe maşini." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Samples.po000066400000000000000000000323171217637305600242050ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Sample Configurations" msgstr "Exemple de Configurare" #. Tag: title #, no-c-format msgid "Empty" msgstr "" #. Tag: title #, no-c-format msgid "An Empty Configuration" msgstr "O Configuraţie Goală" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" "<cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" "</cib> " #. Tag: title #, no-c-format msgid "Simple" msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Simple Configuration - 2 nodes, some cluster options and a resource" msgstr "2 noduri, câteva opţiuni de cluster şi o resursă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\" score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\" score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib> " #. Tag: para #, no-c-format msgid "In this example, we have one resource (an IP address) that we check every five minutes and will run on host c001n01 until either the resource fails 10 times or the host shuts down." msgstr "În acest exemplu, avem o resursă (o adresă IP) pe care o verificăm la fiecare cinci minute şi va rula pe host-ul c001n01 până fie resursa eşuează de 10 ori fie host-ul este închis." #. Tag: title #, fuzzy, no-c-format msgid "Advanced Configuration" msgstr "Exemple de Configurare" #. Tag: title #, fuzzy, no-c-format msgid "Advanced configuration - groups and clones with stonith" msgstr "grupuri şi clone cu stonith" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " <nvpair id=\"option-3\" name=\"stonith-enabled\" value=\"true\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " <node id=\"zzz\" uname=\"c001n03\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <group id=\"myGroup\">\n" " <primitive id=\"database\" class=\"lsb\" type=\"oracle\">\n" " <operations>\n" " <op id=\"database-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " <primitive id=\"webserver\" class=\"lsb\" type=\"apache\">\n" " <operations>\n" " <op id=\"webserver-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " </group>\n" " <clone id=\"STONITH\">\n" " <meta_attributes id=\"stonith-options\">\n" " <nvpair id=\"stonith-option-1\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"stonithclone\" class=\"stonith\" type=\"external/ssh\">\n" " <operations>\n" " <op id=\"stonith-op-mon\" name=\"monitor\" interval=\"5s\"/>\n" " </operations>\n" " <instance_attributes id=\"stonith-attrs\">\n" " <nvpair id=\"stonith-attr-1\" name=\"hostlist\" value=\"c001n01,c001n02\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </clone>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\"\n" " score=\"INFINITY\"/>\n" " <rsc_colocation id=\"group-with-ip\" rsc=\"myGroup\" with-rsc=\"myAddr\"\n" " score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib>" msgstr "" " <cib admin_epoch=\"0\" epoch=\"1\" num_updates=\"0\" have-quorum=\"false\"\n" " validate-with=\"pacemaker-1.0\">\n" " <configuration>\n" " <crm_config>\n" " <nvpair id=\"option-1\" name=\"symmetric-cluster\" value=\"true\"/>\n" " <nvpair id=\"option-2\" name=\"no-quorum-policy\" value=\"stop\"/>\n" " <nvpair id=\"option-3\" name=\"stonith-enabled\" value=\"true\"/>\n" " </crm_config>\n" " <op_defaults>\n" " <nvpair id=\"op-default-1\" name=\"timeout\" value=\"30s\"/>\n" " </op_defaults>\n" " <rsc_defaults>\n" " <nvpair id=\"rsc-default-1\" name=\"resource-stickiness\" value=\"100\"/>\n" " <nvpair id=\"rsc-default-2\" name=\"migration-threshold\" value=\"10\"/>\n" " </rsc_defaults>\n" " <nodes>\n" " <node id=\"xxx\" uname=\"c001n01\" type=\"normal\"/>\n" " <node id=\"yyy\" uname=\"c001n02\" type=\"normal\"/>\n" " <node id=\"zzz\" uname=\"c001n03\" type=\"normal\"/>\n" " </nodes>\n" " <resources>\n" " <primitive id=\"myAddr\" class=\"ocf\" provider=\"heartbeat\" type=\"IPaddr\">\n" " <operations>\n" " <op id=\"myAddr-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " <instance_attributes>\n" " <nvpair name=\"ip\" value=\"10.0.200.30\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <group id=\"myGroup\">\n" " <primitive id=\"database\" class=\"lsb\" type=\"oracle\">\n" " <operations>\n" " <op id=\"database-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " <primitive id=\"webserver\" class=\"lsb\" type=\"apache\">\n" " <operations>\n" " <op id=\"webserver-monitor\" name=\"monitor\" interval=\"300s\"/>\n" " </operations>\n" " </primitive>\n" " </group>\n" " <clone id=\"STONITH\">\n" " <meta_attributes id=\"stonith-options\">\n" " <nvpair id=\"stonith-option-1\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"stonithclone\" class=\"stonith\" type=\"external/ssh\">\n" " <operations>\n" " <op id=\"stonith-op-mon\" name=\"monitor\" interval=\"5s\"/>\n" " </operations>\n" " <instance_attributes id=\"stonith-attrs\">\n" " <nvpair id=\"stonith-attr-1\" name=\"hostlist\" value=\"c001n01,c001n02\"/>\n" " </instance_attributes>\n" " </primitive>\n" " </clone>\n" " </resources>\n" " <constraints>\n" " <rsc_location id=\"myAddr-prefer\" rsc=\"myAddr\" node=\"c001n01\"\n" " score=\"INFINITY\"/>\n" " <rsc_colocation id=\"group-with-ip\" rsc=\"myGroup\" with-rsc=\"myAddr\"\n" " score=\"INFINITY\"/>\n" " </constraints>\n" " </configuration>\n" " <status/>\n" "</cib> " #~ msgid "An Empty ConfigurationConfigurationEmptyempty configuration" #~ msgstr "O Configuraţie GoalăConfiguraţieGoală configuraţie goală" #~ msgid "A SimpleConfigurationConfigurationSimpleSimple Configuration" #~ msgstr "O ConfiguraţieSimplăConfiguraţieSimplă configuraţie simplă" #~ msgid "An AdvancedConfigurationConfigurationAdvancedAdvanced Configuration" #~ msgstr "O ConfiguraţieAvansatăConfiguraţieAvansată configuraţie avansată" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Upgrade-Config.po000066400000000000000000000365311217637305600253750ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading the Configuration from 0.6" msgstr "Actualizarea Configuraţiei de la 0.6" #. Tag: title #, no-c-format msgid "Preparation" msgstr "Pregătire" #. Tag: para #, fuzzy, no-c-format msgid " Upgrading the Configuration ConfigurationUpgrading Upgrading " msgstr "Verificați ValidațiXMLxmllintValidați XML-ulvaliditatea XML-ului:" #. Tag: para #, fuzzy, no-c-format msgid " DownloadDTD DTD DTDDownload Download " msgstr "Verificați ValidațiXMLxmllintValidați XML-ulvaliditatea XML-ului:" #. Tag: para #, no-c-format msgid "Download the latest DTD and ensure your configuration validates." msgstr "" #. Tag: title #, no-c-format msgid "Perform the upgrade" msgstr "Realizaţi actualizarea" #. Tag: title #, no-c-format msgid "Upgrade the software" msgstr "Actualizaţi software-ul" #. Tag: para #, no-c-format msgid "Refer to the appendix: " msgstr "Consultaţi anexa: " #. Tag: title #, no-c-format msgid "Upgrade the Configuration" msgstr "Actualizaţi Configuraţia" #. Tag: para #, no-c-format msgid "As XML is not the friendliest of languages, it is common for cluster administrators to have scripted some of their activities. In such cases, it is likely that those scripts will not work with the new 1.0 syntax." msgstr "Cum XML-ul nu este cel mai prietenos dintre limbaje, este obişnuit pentru administratorii de cluster să fi scriptat unele dintre activităţile acestora. În astfel de cazuri, este probabil ca acele scripturi să nu funcţioneze cu noua sintaxă 1.0." #. Tag: para #, no-c-format msgid "In order to support such environments, it is actually possible to continue using the old 0.6 syntax." msgstr "Pentru a suporta astfel de medii, este chiar posibilă continuarea folosirii sintaxei vechi de 0.6." #. Tag: para #, no-c-format msgid "The downside is, however, that not all the new features will be available and there is a performance impact since the cluster must do a non-persistent configuration upgrade before each transition. So while using the old syntax is possible, it is not advisable to continue using it indefinitely." msgstr "Partea nefastă însă, este că nu toate funcţionalităţile noi vor fi disponibile şi este un impact de performanţă din moment ce clusterul trebuie să execute o actualizare non-persistentă a configuraţiei înainte de fiecare tranziţie. Deci în timp ce folosirea sintaxei vechi este posibilă, nu este recomandată folosirea acesteia pe termen nelimitat." #. Tag: para #, no-c-format msgid "Even if you wish to continue using the old syntax, it is advisable to follow the upgrade procedure to ensure that the cluster is able to use your existing configuration (since it will perform much the same task internally)." msgstr "Chiar dacă doriţi să continuaţi folosirea sintaxei vechi, este recomandat să urmaţi procedura de actualizare pentru a vă asigura că clusterul este capabil să folosească configuraţia existentă (din moment ce va efectua în mare parte aceeaşi sarcină intern)." #. Tag: para #, no-c-format msgid "Create a shadow copy to work with" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --create upgrade06" msgstr "crm_shadow --create upgrade06" #. Tag: para #, fuzzy, no-c-format msgid "Verify the configuration is valid ConfigurationVerify Verify VerifyConfiguration Configuration " msgstr "Verificați că, ConfigurațiaVerificațiVerificațiConfigurațiaconfiguraţia este validă" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_verify --live-check" msgstr "crm_verify --live-check" #. Tag: para #, no-c-format msgid "Fix any errors or warnings" msgstr "Reparaţi orice erori sau avertismente" #. Tag: para #, no-c-format msgid "Perform the upgrade:" msgstr "Realizaţi actualizarea" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --upgrade" msgstr "cibadmin --upgrade" #. Tag: para #, no-c-format msgid "If this step fails, there are three main possibilities:" msgstr "Dacă acest pas eşuează, sunt trei posibilităţi principale" #. Tag: para #, no-c-format msgid "The configuration was not valid to start with - go back to step 2" msgstr "Configuraţia nu a fost validă de la început - mergeţi înapoi la pasul 2" #. Tag: para #, fuzzy, no-c-format msgid "The transformation failed - report a bug or email the project" msgstr "Transformarea a eşuat - raportaţi un bug sau trimite-ţi un email către proiect la pacemaker@oss.clusterlabs.org" #. Tag: para #, fuzzy, no-c-format msgid "The transformation was successful but produced an invalid result The most common reason is ID values being repeated or invalid. Pacemaker 1.0 is much stricter regarding this type of validation. " msgstr "Transformarea a reuşit dar a produs un rezultat invalid Cel mai comun motiv îl reprezintă valorile ID-ului fiind repetate sau invalide. Pacemaker 1.0 este mult mai strict în privinţa acestui tip de validare. " #. Tag: para #, fuzzy, no-c-format msgid "If the result of the transformation is invalid, you may see a number of errors from the validation library. If these are not helpful, visit http://clusterlabs.org/wiki/Validation_FAQ and/or try the procedure described below under " msgstr "Dacă rezultatul transformării este invalid, se pot observa un număr de erori de la biblioteca de validare. Dacă acestea nu sunt folositoare, vizitaţi şi/sau încercaţi următoarea procedură descrisă mai jos sub ." #. Tag: para #, no-c-format msgid "Check the changes" msgstr "Verificaţi modificările" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --diff" msgstr "crm_shadow --diff" #. Tag: para #, no-c-format msgid "If at this point there is anything about the upgrade that you wish to fine-tune (for example, to change some of the automatic IDs) now is the time to do so. Since the shadow configuration is not in use by the cluster, it is safe to edit the file manually:" msgstr "Dacă la acest punct există orice legat de actualizare ce doriţi să reglaţi fin (de exemplu, să schimbaţi unele din ID-urile automate) acum este momentul să realizaţi acest lucru. Din moment ce configuraţia ascunsă nu este folosită de către cluster, este neprimejdios să editaţi fişierul manual:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --edit" msgstr "crm_shadow --edit" #. Tag: para #, fuzzy, no-c-format msgid "This will open the configuration in your favorite editor (whichever is specified by the standard $EDITOR environment variable)" msgstr "Va deschide configuraţia în editorul vostru preferat (sau oricare este specificat de variabila standard de mediu EDITOR)" #. Tag: para #, no-c-format msgid "Preview how the cluster will react" msgstr "Previzualizaţi cum va reacţiona clusterul" #. Tag: para #, no-c-format msgid "Test what the cluster will do when you upload the new configuration" msgstr "Testaţi ce va face clusterul când încărcaţi noua configuraţie" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_simulate --live-check --save-dotfile upgrade06.dot -S\n" "# graphviz upgrade06.dot" msgstr "" "# ptest -VVVVV --live-check --save-dotfile upgrade06.dot\n" "# graphviz upgrade06.dot" #. Tag: para #, fuzzy, no-c-format msgid "Verify that either no resource actions will occur or that you are happy with any that are scheduled. If the output contains actions you do not expect (possibly due to changes to the score calculations), you may need to make further manual changes. See for further details on how to interpret the output of crm_simulate" msgstr "Verificaţi că fie nu vor avea loc acţiuni ale resurelor sau că sunteţi mulţumiţi cu cele care sunt programate. Dacă rezultatul conţine acţiuni pe care nu le aşteptaţi (posibil datorită modificărilor în calculul scorurilor), ar putea fi necesar să realizaţi modificări suplimentare manual. Vedeţi pentru detalii suplimentare despre cum să interpretaţi rezultatul de ieşire al ptest." #. Tag: para #, no-c-format msgid "Upload the changes" msgstr "Încărcaţi modificările" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_shadow --commit upgrade06 --force" msgstr "crm_shadow --commit upgrade06 --force" #. Tag: para #, no-c-format msgid "If this step fails, something really strange has occurred. You should report a bug." msgstr "Dacă acest pas eşuează, ceva cu adevărat ciudat s-a întâmplat. Ar trebui să raportaţi bug-ul." #. Tag: title #, no-c-format msgid "Manually Upgrading the Configuration" msgstr "Actualizarea Manuală a Configuraţiei" #. Tag: para #, fuzzy, no-c-format msgid " ConfigurationUpgrade manually Upgrade manually It is also possible to perform the configuration upgrade steps manually. To do this" msgstr "Este de asemenea posibil să efectuaţi ConfigurațieActualizare manualăpaşii de actualizare ai configuraţiei manual. Pentru a realiza acest lucru" #. Tag: para #, fuzzy, no-c-format msgid "Locate the upgrade06.xsl conversion script or download the latest version from Git" msgstr "Localizaţi scriptul de conversie upgrade06.xsl sau descărcaţi cea mai recentă versiune de controlul versiunii" #. Tag: para #, fuzzy, no-c-format msgid "Convert the XML blob: XMLConvert Convert " msgstr "Convertiți XMLConvertițiXML-ul:" #. Tag: programlisting #, no-c-format msgid "# xsltproc /path/to/upgrade06.xsl config06.xml > config10.xml" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Locate the pacemaker.rng script." msgstr "Localizaţi scriptul pacemaker.rng." #. Tag: para #, fuzzy, no-c-format msgid "Check the XML validity: Validate Configuration ConfigurationValidate XML Validate XML " msgstr "Verificați ValidațiXMLxmllintValidați XML-ulvaliditatea XML-ului:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# xmllint --relaxng /path/to/pacemaker.rng config10.xml" msgstr "xmllint --relaxng /calea/către/pacemaker.rng config10.xml" #. Tag: para #, no-c-format msgid "The advantage of this method is that it can be performed without the cluster running and any validation errors should be more informative (despite being generated by the same library!) since they include line numbers." msgstr "Avantajul acestei metode este acela că poate fi efectuată fară ca şi clusterul să funcţioneze şi orice erori de validare ar trebui să fie cu caracter mai informativ (în ciuda faptului că sunt generate de aceeaşi bibliotecă!) din moment ce includ numerele liniilor." #~ msgid "Upgrading the Configuration" #~ msgstr "Actualizarea Configuraţiei" #~ msgid "ConfigurationUpgrading" #~ msgstr "ActualizareaConfiguraţiei" #~ msgid "DownloadDTD DTDDownload Download the latest DTD and ensure your configuration validates." #~ msgstr "DescărcaţiDTD DTDDescărcaţi Descărcaţi cel mai recent DTD de la> şi asiguraţi-vă că, configuraţia voastră se validează." #~ msgid "Create a shadow copyexample for upgradingshadow copy to work with" #~ msgstr "Creaţi o copie ascunsăexemplu pentru actualizarecopie ascunsă pe care să lucraţi" #~ msgid "xsltproc /path/to/upgrade06.xsl config06.xml > config10.xml" #~ msgstr "xsltproc /calea/către/upgrade06.xsl config06.xml > config10.xml" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ap-Upgrade.po000066400000000000000000000403011217637305600241600ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Upgrading Cluster Software" msgstr "Actualizarea Soft-ului de Cluster" #. Tag: title #, no-c-format msgid "Version Compatibility" msgstr "Compatibilitatea Versiunii" #. Tag: para #, no-c-format msgid "When releasing newer versions we take care to make sure we are backwards compatible with older versions. While you will always be able to upgrade from version x to x+1, in order to continue to produce high quality software it may occasionally be necessary to drop compatibility with older versions." msgstr "Când lansăm versiuni noi avem grijă că suntem compatibili invers cu versiunile anterioare. În timp ce veţi putea oricând să actualizaţi de la versiunea x la x+1, pentru a putea să continuăm producţia de soft de înaltă calitate ar putea fi necesar în mod ocazional să renunţăm la compatibilitatea cu versiunile mai vechi." #. Tag: para #, no-c-format msgid "There will always be an upgrade path from any series-2 release to any other series-2 release." msgstr "Întotdeauna va exista o cale de actualizare de la oricare produs lansat în seria-2 la oricare alt produs lansat în aceeaşi serie-2." #. Tag: para #, no-c-format msgid "There are three approaches to upgrading your cluster software:" msgstr "Sunt trei alternative în scopul actualizării soft-ului de cluster" #. Tag: para #, no-c-format msgid "Complete Cluster Shutdown" msgstr "Oprirea Completă a Clusterului" #. Tag: para #, no-c-format msgid "Rolling (node by node)" msgstr "Secvenţial (nod după nod)" #. Tag: para #, no-c-format msgid "Disconnect and Reattach" msgstr "Deconectează şi Reataşează" #. Tag: para #, no-c-format msgid "Each method has advantages and disadvantages, some of which are listed in the table below, and you should chose the one most appropriate to your needs." msgstr "Fiecare metodă are avantaje şi dezavantaje, unele dintre acestea sunt listate în tabelul de mai jos şi ar trebui să o alegeţi pe aceea cel mai apropiată de nevoile voastre." #. Tag: title #, no-c-format msgid "Summary of Upgrade Methodologies" msgstr "Sumar al Metodologiilor de Actualizare" #. Tag: entry #, no-c-format msgid "Type" msgstr "Tip" #. Tag: entry #, no-c-format msgid "Available between all software versions" msgstr "Disponibil între toate versiunile de soft" #. Tag: entry #, no-c-format msgid "Service Outage During Upgrade" msgstr "Indisponibilitatea Serviciului pe Durata Actualizării" #. Tag: entry #, no-c-format msgid "Service Recovery During Upgrade" msgstr "Recuperarea Serviciului pe Durata Actualizării" #. Tag: entry #, no-c-format msgid "Exercises Failover Logic/Configuration" msgstr "Exersează Logica/Configuraţia de Failover" #. Tag: entry #, fuzzy, no-c-format msgid "Allows change of cluster stack type ClusterSwitching between Stacks Switching between Stacks Changing Cluster Stack For example, switching from Heartbeat to Corosync. Consult the Heartbeat or Corosync documentation to see if upgrading them to a newer version is also supported. " msgstr "Permite schimbarea tipului de stivă de cluster Stivă de Clustertrecerea de la De exemplu, trecerea de la Heartbeat la Corosync. Consultaţi documentaţia de Heartbeat sau Corosync pentru vedea dacă actualizarea acestora la o versiune mai nouă este de asemenea suportată. " #. Tag: para #, fuzzy, no-c-format msgid "Shutdown UpgradeShutdown Shutdown Shutdown Upgrade " msgstr "ActualizareÎnchidere Închidere pentru Actualizare Închidere" #. Tag: para #, no-c-format msgid "yes" msgstr "da" #. Tag: para #, no-c-format msgid "always" msgstr "întotdeauna" #. Tag: para #, no-c-format msgid "N/A" msgstr "N/A" #. Tag: para #, no-c-format msgid "no" msgstr "nu" #. Tag: para #, fuzzy, no-c-format msgid "Rolling UpgradeRolling Rolling Rolling Upgrade " msgstr "ActualizareSecvenţială Actualizare Secvenţială Secvenţială" #. Tag: para #, fuzzy, no-c-format msgid "Reattach UpgradeReattach Reattach Reattach Upgrade " msgstr "ActualizareReatașare Actualizare cu Reatașare Reatașare" #. Tag: para #, no-c-format msgid "only due to failure" msgstr "doar din cauza eşecului" #. Tag: para #, no-c-format msgid "In this scenario one shuts down all cluster nodes and resources and upgrades all the nodes before restarting the cluster." msgstr "În acest scenariu se închid toate nodurile şi resursele clusterului şi se actualizează toate nodurile înainte de a reporni clusterul." #. Tag: title #, no-c-format msgid "Procedure" msgstr "Procedură" #. Tag: para #, no-c-format msgid "On each node:" msgstr "Pe fiecare nod:" #. Tag: para #, no-c-format msgid "Shutdown the cluster stack (Heartbeat or Corosync)" msgstr "Închideţi stiva de cluster (Heartbeat sau Corosync)" #. Tag: para #, no-c-format msgid "Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system." msgstr "Actualizaţi soft-ul Pacemaker. Acest lucru poate include actualizarea stivei de cluster şi/sau a sistemului de operare de bază." #. Tag: para #, fuzzy, no-c-format msgid "Check the configuration manually or with the crm_verify tool if available." msgstr "Verificaţi configuraţia manual sau cu utilitarul crm_verify dacă este disponibil." #. Tag: para #, no-c-format msgid "Start the cluster stack. This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "Porniţi stiva de cluster. Aceasta poate fi oricare dintre Corosync sau Heartbeat şi nu trebuie să fie aceeaşi ca stiva anterioară de cluster." #. Tag: para #, no-c-format msgid "In this scenario each node is removed from the cluster, upgraded and then brought back online until all nodes are running the newest version." msgstr "În acest scenariu fiecare nod este scos din cluster, actualizat şi apoi adus înapoi online până ce toate nodurile rulează pe cea mai recentă versiune." #. Tag: para #, no-c-format msgid "This method is currently broken between Pacemaker 0.6.x and 1.0.x." msgstr "Această metodă este în prezent nefuncţională între Pacemaker 0.6.x şi 1.0.x" #. Tag: para #, fuzzy, no-c-format msgid "Measures have been put into place to ensure rolling upgrades always work for versions after 1.0.0. Please try one of the other upgrade strategies. Detach/Reattach is a particularly good option for most people." msgstr "Măsuri au fost implementate pentru a asigura că actualizările secvenţiale vor funcţiona întotdeauna pentru versiunile după 1.0.0. Dacă există o cerere suficientă, munca necesară pentru a repara compatibilitatea între 0.6 -> 1.0 va fi dusă la final. În caz contrar, vă rugăm să încercaţi una din celelalte strategii de actualizare. Detaşare/Reataşare este o opţiune deosebit de bună pentru majoritatea persoanelor." #. Tag: para #, no-c-format msgid "On each node: . Shutdown the cluster stack (Heartbeat or Corosync) . Upgrade the Pacemaker software. This may also include upgrading the cluster stack and/or the underlying operating system. .. On the first node, check the configuration manually or with the crm_verify tool if available. .. Start the cluster stack." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "+ This must be the same type of cluster stack (Corosync or Heartbeat) that the rest of the cluster is using. Upgrading Corosync/Heartbeat may also be possible, please consult the documentation for those projects to see if the two versions will be compatible." msgstr "Porniţi stiva de cluster. Aceasta trebuie să fie acelaşi tip de stivă de cluster (Corosync sau Heartbeat) care este folosită de către restul clusterului. Actualizarea Corosync/Heartbeat este posibilă de asemenea, vă rugăm să consultaţi documentaţia pentru acele proiecte pentru a vedea dacă cele două versiuni vor fi compatibile." #. Tag: para #, fuzzy, no-c-format msgid "+ .. Repeat for each node in the cluster." msgstr "Repetaţi pentru fiecare nod din cluster" #. Tag: title #, no-c-format msgid "Version Compatibility Table" msgstr "Tabel cu Compatibilitatea Versiunilor" #. Tag: entry #, no-c-format msgid "Version being Installed" msgstr "Versiunea care este Instalată" #. Tag: entry #, no-c-format msgid "Oldest Compatible Version" msgstr "Cea mai Veche Versiune Compatibilă" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.x" msgstr "Pacemaker 1.0.x" #. Tag: para #, no-c-format msgid "Pacemaker 1.0.0" msgstr "Pacemaker 1.0.0" #. Tag: para #, no-c-format msgid "Pacemaker 0.7.x" msgstr "Pacemaker 0.7.x" #. Tag: para #, no-c-format msgid "Pacemaker 0.6 or Heartbeat 2.1.3" msgstr "Pacemaker 0.6 sau Heartbeat 2.1.3" #. Tag: para #, no-c-format msgid "Pacemaker 0.6.x" msgstr "Pacemaker 0.6.x" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.8" msgstr "Heartbeat 2.0.8" #. Tag: para #, no-c-format msgid "Heartbeat 2.1.3 (or less)" msgstr "Heartbeat 2.1.3 (sau mai mică)" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4" msgstr "Heartbeat 2.0.4" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.4 (or less)" msgstr "Heartbeat 2.0.4 (sau mai mică)" #. Tag: para #, no-c-format msgid "Heartbeat 2.0.0" msgstr "Heartbeat 2.0.0" #. Tag: para #, no-c-format msgid "None. Use an alternate upgrade strategy." msgstr "Niciuna. Folosiţi o strategie de actualizare alternativă." #. Tag: title #, no-c-format msgid "Crossing Compatibility Boundaries" msgstr "Trecerea Graniţelor de Compatibilitate" #. Tag: para #, no-c-format msgid "Rolling upgrades that cross compatibility boundaries must be preformed in multiple steps. For example, to perform a rolling update from Heartbeat 2.0.1 to Pacemaker 0.6.6 one must:" msgstr "Actualizările secvenţiale care trec de graniţele compatibilităţii trebuie efectuate în paşi multipli. De exemplu, pentru a efectua o actualizare secvenţială de la Heartbeat 2.0.1 la Pacemaker 0.6.6 trebuie să:" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.1 to Heartbeat 2.0.4" msgstr "Efectueaze o actualizare secvenţială de la Heartbeat 2.0.1 la Heartbeat 2.0.4" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.0.4 to Heartbeat 2.1.3" msgstr "Efectueaze o actualizare secvenţială de la Heartbeat 2.0.4 la Heartbeat 2.1.3" #. Tag: para #, no-c-format msgid "Perform a rolling upgrade from Heartbeat 2.1.3 to Pacemaker 0.6.6" msgstr "Efectueaze o actualizare secvenţială de la Heartbeat 2.1.3 la Pacemaker 0.6.6" #. Tag: para #, no-c-format msgid "A variant of a complete cluster shutdown, but the resources are left active and get re-detected when the cluster is restarted." msgstr "O variantă de închidere completă a clusterului, dar resursele sunt lăsate active şi re-detectate când clusterul este repornit." #. Tag: para #, fuzzy, no-c-format msgid "Tell the cluster to stop managing services." msgstr "Permiteţi clusterului să reia gestionarea resurselor" #. Tag: para #, fuzzy, no-c-format msgid "This is required to allow the services to remain active after the cluster shuts down." msgstr "Spune clusterului să se oprească din gestionarea serviciilor. Acest lucru este necesar pentru a permite serviciilor să rămână active după ce clusterul este oprit." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v false" msgstr "crm_attribute -t crm_config -n is-managed-default -v false " #. Tag: para #, no-c-format msgid "For any resource that has a value for is-managed, make sure it is set to false (so that the cluster will not stop it)" msgstr "Pentru orice resursă care are o valoare pentru is-managed, vă rugăm să vă asiguraţi că este setată pe false (astfel încât clusterul să nu o oprească)" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v false" msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false" #. Tag: para #, no-c-format msgid "Upgrade the cluster stack program - This may also include upgrading the underlying operating system." msgstr "Actualizaţi stiva de cluster - Acest lucru poate include actualizarea sistemului de operare de bază." #. Tag: para #, no-c-format msgid "Start the cluster stack." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This can be either Corosync or Heartbeat and does not need to be the same as the previous cluster stack." msgstr "Porniţi stiva de cluster. Aceasta poate fi oricare dintre Corosync sau Heartbeat şi nu trebuie să fie aceeaşi ca stiva anterioară de cluster." #. Tag: para #, no-c-format msgid "Verify that the cluster re-detected all resources correctly." msgstr "Verificaţi că, clusterul a re-detectat toate resursele în mod corect" #. Tag: para #, no-c-format msgid "Allow the cluster to resume managing resources again:" msgstr "Permiteţi clusterului să reia gestionarea resurselor" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute -t crm_config -n is-managed-default -v true" msgstr "crm_attribute -t crm_config -n is-managed-default -v true " #. Tag: para #, no-c-format msgid "For any resource that has a value for is-managed reset it to true (so the cluster can recover the service if it fails) if desired:" msgstr "Pentru orice resursă care are o valoare pentru is-managed resetaţi-o, dacă doriţi, pe true (astfel încât clusterul să poată recupera serviciul dacă acesta eşuează)" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -t primitive -r $rsc_id -p is-managed -v true" msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false" #. Tag: title #, no-c-format msgid "Notes" msgstr "Menţiuni" #. Tag: para #, no-c-format msgid "Always check your existing configuration is still compatible with the version you are installing before starting the cluster." msgstr "Întotdeauna verificaţi configuraţia existentă şi că este in continuare compatibilă cu versiunea pe care o instalaţi înainte de a porni clusterul." #. Tag: para #, no-c-format msgid "The oldest version of the CRM to support this upgrade type was in Heartbeat 2.0.4" msgstr "Cea mai veche versiune de CRM care suportă acest tip de actualizare a fost Heartbeat 2.0.4" #~ msgid "On the first node, check the configuration manually or with the crm_verify tool if available." #~ msgstr "Pe primul nod, verificaţi configuraţia manual sau cu utilitarul crm_verify dacă este disponibil." #~ msgid "crm_resource -t primitive -r <rsc_id> -p is-managed -v false " #~ msgstr "crm_resource -t primitive -r <rsc_id> -p is-managed -v false " pacemaker-master/doc/Pacemaker_Explained/ro-RO/Author_Group.po000066400000000000000000000036771217637305600246700ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Clusters from Scratch 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: orgname #, no-c-format msgid "Red Hat" msgstr "Red Hat" #. Tag: contrib #, no-c-format msgid "Primary author" msgstr "" #. Tag: firstname #, no-c-format msgid "Dan" msgstr "Dan" #. Tag: surname #, no-c-format msgid "Frîncu" msgstr "Frîncu" #. Tag: contrib #, no-c-format msgid "Romanian translation" msgstr "Traducerea în limba română" #. Tag: firstname #, no-c-format msgid "Philipp" msgstr "" #. Tag: surname #, no-c-format msgid "Marek" msgstr "" #. Tag: orgname #, no-c-format msgid "LINBit" msgstr "" #. Tag: contrib #, no-c-format msgid "Style and formatting updates. Indexing." msgstr "" #. Tag: firstname #, no-c-format msgid "Tanja" msgstr "" #. Tag: surname #, no-c-format msgid "Roth" msgstr "" #. Tag: orgname #, no-c-format msgid "SUSE" msgstr "" #. Tag: contrib #, no-c-format msgid "Utilization chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Resource Templates chapter" msgstr "" #. Tag: contrib #, no-c-format msgid "Multi-Site Clusters chapter" msgstr "" #. Tag: firstname #, no-c-format msgid "Lars" msgstr "" #. Tag: surname #, no-c-format msgid "Marowsky-Bree" msgstr "" #. Tag: firstname #, fuzzy, no-c-format msgid "Yan" msgstr "Dan" #. Tag: surname #, no-c-format msgid "Gao" msgstr "" #. Tag: firstname #, no-c-format msgid "Thomas" msgstr "" #. Tag: surname #, no-c-format msgid "Schraitle" msgstr "" #. Tag: firstname #, no-c-format msgid "Dejan" msgstr "" #. Tag: surname #, no-c-format msgid "Muhamedagic" msgstr "" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Book_Info.po000066400000000000000000000052451217637305600241100ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Explained" msgstr "Configuration Explained" #. Tag: subtitle #, no-c-format msgid "An A-Z guide to Pacemaker's Configuration Options" msgstr "Un ghid de la A la Z despre Opţiunile de Configurare ale Pacemaker" #. Tag: productname #, no-c-format msgid "Pacemaker" msgstr "Pacemaker" #. Tag: para #, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "Scopul acestui document este de a explica în mod definitiv conceptele folosite pentru a configura Pacemaker. Pentru a reuşi acest lucru în cel mai bun mod, se va concentra în mod exclusiv pe sintaxa XML folosită pentru a configura CIB-ul." #. Tag: para #, fuzzy, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "Pentru aceeia dintre voi care sunt alergici la XML, Pacemaker vine cu un shell de cluster şi un GUI bazat pe Python există, de asemenea, însă aceste utilitare nu vor fi acoperite în vreun fel în acest document Eu sper că, totuși, conceptele explicate aici fac funcţionalitatea acestor utilitare să fie înteleasă mai ușor. , întocmai datorită faptului că acestea ascund XML-ul." #. Tag: para #, fuzzy, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario. Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster. Try the Clusters from Scratch document instead." msgstr "Pe deasupra, acest document NU este un ghid pas-cu-pas pentru configurarea unui scenariu specific de cluster. Deşi astfel de ghiduri există, scopul acestui document este acela de a furniza o înţelegere a elementelor de bază care pot fi folosite pentru a construi orice tip de cluster Pacemaker." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Advanced-Options.po000066400000000000000000002052371217637305600257340ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Configuration" msgstr "Configuraţii Avansate" #. Tag: title #, no-c-format msgid "Connecting from a Remote Machine" msgstr "Conectarea de pe o Maşină la Distanţă" #. Tag: para #, fuzzy, no-c-format msgid " ClusterRemote connection Remote connection ClusterRemote administration Remote administration " msgstr "multiplicatorOpțiunea Resursei OpțiuneaResurseimultiplicator multiplicator" #. Tag: para #, fuzzy, no-c-format msgid "Provided Pacemaker is installed on a machine, it is possible to connect to the cluster even if the machine itself is not in the same cluster. To do this, one simply sets up a number of environment variables and runs the same commands as when working on a cluster node." msgstr " La distanță conectare La distanță administrare Cu condiţia ca Pacemaker să fie instalat pe o maşină, este posibilă conectarea la cluster chiar dacă maşina în sine nu este parte din el. Pentru a realiza acest lucru, nu trebuie decât să setaţi un număr de variabile de mediu şi să rulaţi aceleaşi comenzi ca şi când aţi lucra pe un nod din cluster." #. Tag: title #, no-c-format msgid "Environment Variables Used to Connect to Remote Instances of the CIB" msgstr "Variabile de Mediu Folosite pentru Conectare la Instanţe la Distanţă ale CIB-ului" #. Tag: entry #, no-c-format msgid "Environment Variable" msgstr "" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, no-c-format msgid "CIB_user" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The user to connect as. Needs to be part of the hacluster group on the target host. Defaults to $USER. Environment VariableCIB_user CIB_user " msgstr "Userul sub care se va realiza conectarea. Trebuie să facă parte din grupul hacluster pe gazda destinaţie. Valoarea implicită este $USER." #. Tag: para #, no-c-format msgid "CIB_passwd" msgstr "" #. Tag: para #, no-c-format msgid "The user’s password. Read from the command line if unset. Environment VariableCIB_passwd CIB_passwd " msgstr "" #. Tag: para #, no-c-format msgid "CIB_server" msgstr "" #. Tag: para #, no-c-format msgid "The host to contact. Defaults to localhost. Environment VariableCIB_server CIB_server " msgstr "" #. Tag: para #, no-c-format msgid "CIB_port" msgstr "" #. Tag: para #, no-c-format msgid "The port on which to contact the server; required. Environment VariableCIB_port CIB_port " msgstr "" #. Tag: para #, no-c-format msgid "CIB_encrypted" msgstr "" #. Tag: para #, no-c-format msgid "Encrypt network traffic; defaults to true. Environment VariableCIB_encrypted CIB_encrypted " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "So, if c001n01 is an active cluster node and is listening on 1234 for connections, and someguy is a member of the hacluster group, then the following would prompt for someguy's password and return the cluster’s current configuration:" msgstr "Deci dacă c001n01 este un nod activ de cluster şi ascultă pentru conexiuni pe 1234, iar someguy este un membru al grupului hacluster. Atunci următoarele ar cere parola lui someguy şi ar returna configuraţia curentă a clusterului:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy;\n" "# cibadmin -Q" msgstr "" "\n" " export CIB_port=1234; export CIB_server=c001n01; export CIB_user=someguy;\n" " cibadmin -Q " #. Tag: para #, no-c-format msgid "For security reasons, the cluster does not listen for remote connections by default. If you wish to allow remote access, you need to set the remote-tls-port (encrypted) or remote-clear-port (unencrypted) top-level options (ie., those kept in the cib tag, like num_updates and epoch)." msgstr "Din motive de securitate, clusterul nu ascultă pentru conexiuni la distanţă în mod implicit. Dacă doriţi să permiteţi accesul de la distanţă, trebuie să setaţi opţiunile primare remote-tls-port (criptat) sau remote-clear-port (necriptat) (ex. acelea stocate în tag-ul cib, precum num_updates şi epoch)." #. Tag: title #, no-c-format msgid "Extra top-level CIB options for remote access" msgstr "" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: para #, no-c-format msgid "remote-tls-port" msgstr "" #. Tag: para #, no-c-format msgid "Listen for encrypted remote connections on this port. Default: none remote-tls-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-tls-port Optionremote-tls-port remote-tls-port " msgstr "" #. Tag: para #, no-c-format msgid "remote-clear-port" msgstr "" #. Tag: para #, no-c-format msgid "Listen for plaintext remote connections on this port. Default: none remote-clear-portRemote Connection Option Remote Connection Option Remote ConnectionOptionremote-clear-port Optionremote-clear-port remote-clear-port " msgstr "" #. Tag: title #, no-c-format msgid "Specifying When Recurring Actions are Performed" msgstr "Specificând Când Acţiunile Recurente sunt Efectuate" #. Tag: para #, no-c-format msgid "By default, recurring actions are scheduled relative to when the resource started. So if your resource was last started at 14:32 and you have a backup set to be performed every 24 hours, then the backup will always run at in the middle of the business day - hardly desirable." msgstr "În mod implicit, acţiunile recurente sunt programate în mod relativ faţă de când a fost pornită resursa. Deci dacă resursa voastră a fost pornită la 14:32 şi aveţi un backup setat să fie executat la fiecare 24 de ore, atunci backup-ul va rula întotdeauna în mijlocul zilei de lucru - deloc de dorit." #. Tag: para #, fuzzy, no-c-format msgid "To specify a date/time that the operation should be relative to, set the operation’s interval-origin. The cluster uses this point to calculate the correct start-delay such that the operation will occur at origin + (interval * N)." msgstr "Pentru a specifica un/o timp/dată faţă de care ar trebui să fie relativă operaţiunea, setaţi interval-origin pentru operaţiune. Clusterul foloseşte acest punct pentru a calcula un start-delay corect astfel încât operaţiunea să se întâmple la origine + (interval * N)." #. Tag: para #, fuzzy, no-c-format msgid "So, if the operation’s interval is 24h, it’s interval-origin is set to 02:00 and it is currently 14:32, then the cluster would initiate the operation with a start delay of 11 hours and 28 minutes. If the resource is moved to another node before 2am, then the operation is of course cancelled." msgstr "Deci dacă intervalul operaţiunii este de 24 de ore, parametrul interval-origin este setat la 02:00 şi acum este 14:32, atunci clusterul va iniţia operaţiunea cu un start-delay de 11 ore şi 28 de minute. Dacă resursa este mutată pe un alt nod înainte de ora 2 dimineaţa, atunci operaţiunea este desigur anulată." #. Tag: para #, no-c-format msgid "The value specified for interval and interval-origin can be any date/time conforming to the ISO8601 standard. By way of example, to specify an operation that would run on the first Monday of 2009 and every Monday after that you would add:" msgstr "Valoarea specificată pentru interval şi interval-origin poate fi orice dată/timp ce se conformează cu standardul ISO8601. Spre exemplu, pentru a specifica o operaţiune care ar rula în prima zi de Luni din 2009 şi în fiecare zi de Luni de atunci înainte aţi adauga:" #. Tag: title #, no-c-format msgid "Specifying a Base for Recurring Action Intervals" msgstr "Specificând o Bază pentru Intervalele Acţiunilor Recurente" #. Tag: programlisting #, fuzzy, no-c-format msgid "<op id=\"my-weekly-action\" name=\"custom-action\" interval=\"P7D\" interval-origin=\"2009-W01-1\"/>" msgstr "<op id=\"my-weekly-action\" name=\"custom-action\" interval=\"P7D\" interval-origin=\"2009-W01-1\"/> " #. Tag: title #, no-c-format msgid "Moving Resources" msgstr "Mutarea Resurselor" #. Tag: para #, fuzzy, no-c-format msgid " MovingResources Resources ResourceMoving Moving " msgstr "atenuareOpțiunea Resursei OpțiuneaResurseiatenuare atenuare" #. Tag: title #, no-c-format msgid "Manual Intervention" msgstr "Intervenţie Manuală" #. Tag: para #, fuzzy, no-c-format msgid "There are primarily two occasions when you would want to move a resource from it’s current location: when the whole node is under maintenance, and when a single resource needs to be moved." msgstr "Sunt în principal două ocazii în care aţi vrea să mutaţi o resursă de pe locaţia ei curentă: când întregul nod este sub mentenanţă şi când o singură resursă trebuie mutată." #. Tag: para #, no-c-format msgid "Since everything eventually comes down to a score, you could create constraints for every resource to prevent them from running on one node. While the configuration can seem convoluted at times, not even we would require this of administrators." msgstr "În cazul în care totul trebuie mutat, din moment ce totul ajunge eventual să ţină de un scor, aţi putea crea restricţii pentru fiecare resursă pe care o aveţi împiedicând-o din a mai rula pe acel nod. În timp ce configuraţia poate părea complicată în anumite momente, nici chiar noi nu am solicita acest lucru de la administratori." #. Tag: para #, fuzzy, no-c-format msgid "Instead one can set a special node attribute which tells the cluster \"don’t let anything run here\". There is even a helpful tool to help query and set it, called crm_standby. To check the standby status of the current machine, simply run:" msgstr "În schimb aţi putea seta un atribut special de nod care îi spune clusterului \"nu lăsa nimic să ruleze aici\". Există chiar şi un utilitar pentru a ajuta la interogarea şi setarea acestuia numit crm_standby. Pentru a verifica status-ul stării de aşteptare pe maşina curentă, pur şi simplu rulaţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value" msgstr "crm_standby --get-value" #. Tag: para #, no-c-format msgid "A value of true indicates that the node is NOT able to host any resources, while a value of false says that it CAN." msgstr "O valoarea de true indică faptul că nodul NU poate găzdui nici un fel de resurse, în timp ce o valoare de false spune că acesta POATE." #. Tag: para #, fuzzy, no-c-format msgid "You can also check the status of other nodes in the cluster by specifying the --node-uname option:" msgstr "Puteţi să verificaţi de asemenea status-ul celorlalte noduri din cluster specificând opţiunea --node-uname:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value --node-uname sles-2" msgstr "crm_standby --get-value --node-uname sles-2" #. Tag: para #, fuzzy, no-c-format msgid "To change the current node’s standby status, use --attr-value instead of --get-value." msgstr "Pentru a schimba status-ul stării de aşteptare a nodului curent, folosiţi --attr-value în loc de --get-value." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --attr-value" msgstr "crm_standby --attr-value" #. Tag: para #, fuzzy, no-c-format msgid "Again, you can change another host’s value by supplying a host name with --node-uname." msgstr "Din nou, puteţi schimba valoarea altei gazde prin furnizarea unui hostname cu --node-uname." #. Tag: para #, fuzzy, no-c-format msgid "When only one resource is required to move, we do this by creating location constraints. However, once again we provide a user friendly shortcut as part of the crm_resource command, which creates and modifies the extra constraints for you. If Email was running on sles-1 and you wanted it moved to a specific location, the command would look something like:" msgstr "Când doar o resursă este necesar a fi mutată, realizăm acest lucru prin crearea de restricţii de locaţie. În schimb încă o dată furnizăm utilizatorului o scurtătură prietenoasă ca parte din comanda crm_resource care creează şi modifică restricţiile suplimentare pentru voi. Dacă Email rula pe sles-1 şi doreaţi mutarea acesteia pe o locaţie specifică, comanda ar arăta ceva de genul:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -M -r Email -H sles-2" msgstr "crm_resource -M -r Email -H sles-2" #. Tag: para #, no-c-format msgid "Behind the scenes, the tool will create the following location constraint:" msgstr "În culise, utilitarul va crea următoarea restricţie de locaţie:" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-2\" score=\"INFINITY\"/>" msgstr "<rsc_location rsc=\"Email\" node=\"sles-2\" score=\"INFINITY\"/> " #. Tag: para #, fuzzy, no-c-format msgid "It is important to note that subsequent invocations of crm_resource -M are not cumulative. So, if you ran these commands" msgstr "Este important de menţionat că invocări ulterioare ale crm_resource -M nu sunt cumulative. Deci dacă aţi rula:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource -M -r Email -H sles-2\n" "# crm_resource -M -r Email -H sles-3" msgstr "" "crm_resource -M -r Email -H sles-2\n" " crm_resource -M -r Email -H sles-3" #. Tag: para #, no-c-format msgid "then it is as if you had never performed the first command." msgstr "atunci ar fi ca şi când nu aţi fi efectuat niciodată prima comandă." #. Tag: para #, no-c-format msgid "To allow the resource to move back again, use:" msgstr "Pentru a permite resursei să se mute înapoi, folosiţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -U -r Email" msgstr "crm_resource -U -r Email" #. Tag: para #, fuzzy, no-c-format msgid "Note the use of the word allow. The resource can move back to its original location but, depending on resource-stickiness, it might stay where it is. To be absolutely certain that it moves back to sles-1, move it there before issuing the call to crm_resource -U:" msgstr "Luaţi aminte de folosirea cuvântului allow. Resursa se poate muta înapoi la locaţia originală a acesteia însă, în funcţie de resource-stickiness, ar putea să rămână acolo unde este. Pentru a fi absolut siguri că se mută înapoi pe sles-1, mutaţi-o acolo înainte de a apela crm_resource -U:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource -M -r Email -H sles-1\n" "# crm_resource -U -r Email" msgstr "" "crm_resource -M -r Email -H sles-1\n" " crm_resource -U -r Email" #. Tag: para #, no-c-format msgid "Alternatively, if you only care that the resource should be moved from its current location, try" msgstr "Ca alternativă, dacă vă pasă doar că resursa ar trebui să fie mutată din locaţia ei curentă, încercaţi" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource -M -r Email`" msgstr "crm_resource -M -r Email" #. Tag: para #, no-c-format msgid "Which will instead create a negative constraint, like" msgstr "Care va crea în schimb o restricţie negativă, precum" #. Tag: programlisting #, no-c-format msgid "<rsc_location rsc=\"Email\" node=\"sles-1\" score=\"-INFINITY\"/>" msgstr "<rsc_location rsc=\"Email\" node=\"sles-1\" score=\"-INFINITY\"/>" #. Tag: para #, fuzzy, no-c-format msgid "This will achieve the desired effect, but will also have long-term consequences. As the tool will warn you, the creation of a -INFINITY constraint will prevent the resource from running on that node until crm_resource -U is used. This includes the situation where every other cluster node is no longer available!" msgstr "Acest lucru va atinge efectul scontat dar va avea consecinţe pe termen lung. Aşa cum utilitarul vă va avertiza de altfel, crearea unei restricţii cu -INFINITY va împiedica resursa de a mai rula pe acel nod până ce comanda crm_resource -U va fi folosită. Acesta include situaţia în care oricare alt nod din cluster nu mai este disponibil!" #. Tag: para #, no-c-format msgid "In some cases, such as when resource-stickiness is set to INFINITY, it is possible that you will end up with the problem described in . The tool can detect some of these cases and deals with them by also creating both a positive and negative constraint. Eg." msgstr "În anumite cazuri, precum cel în care resource-stickiness este setată la INFINITY, este posibil să ajungeţi la problema descrisă în . Utilitarul poate detecta unele din aceste cazuri şi le tratează prin crearea atât de restricţii pozitive cât şi negative. Ex." #. Tag: para #, no-c-format msgid "Email prefers sles-1 with a score of -INFINITY" msgstr "Email preferă sles-1 cu un scor de -INFINITY" #. Tag: para #, no-c-format msgid "Email prefers sles-2 with a score of INFINITY" msgstr "Email preferă sles-2 cu un scor de INFINITY" #. Tag: para #, no-c-format msgid "which has the same long-term consequences as discussed earlier." msgstr "care are aceleaşi consecinţe pe termen lung precum am discutat anterior." #. Tag: title #, no-c-format msgid "Moving Resources Due to Failure" msgstr "Mutarea Resurselor Datorită Eşecului" #. Tag: para #, fuzzy, no-c-format msgid "New in 1.0 is the concept of a migration threshold. The naming of this option was perhaps unfortunate as it is easily confused with true migration, the process of moving a resource from one node to another without stopping it. Xen virtual guests are the most common example of resources that can be migrated in this manner. " msgstr "Nou în 1.0 este conceptul unui prag de migrare Denumirea acestei opţiuni este nefericită deoarece este uşor confundată cu migrarea adevărată, procesul mutării unei resurse de pe un nod pe altul fără oprirea acesteia. Oaspeţii virtuali de Xen sunt cel mai comun exemplu de resurse care pot fi migrate în această manieră. . Pur şi simplu definiţi migration-threshold=N pentru o resursă şi aceasta va migra pe un nod nou după N eşecuri. Nu este definit nici un prag în mod implicit. Pentru a determina status-ul de eşec şi limitele curente ale resursei, folosiţi crm_mon --failcounts" #. Tag: para #, no-c-format msgid "Simply define migration-threshold=N for a resource and it will migrate to a new node after N failures. There is no threshold defined by default. To determine the resource’s current failure status and limits, use crm_mon --failcounts." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "By default, once the threshold has been reached, this node will no longer be allowed to run the failed resource until the administrator manually resets the resource’s failcount using crm_failcount (after hopefully first fixing the failure’s cause). However it is possible to expire them by setting the resource’s failure-timeout option." msgstr "În mod implicit, odată ce pragul a fost atins, nodului nu îi va mai fi permisă rularea resursei care a eşuat până ce un administrator resetează manual failcount-ul resursei folosind crm_failcount (asta sperând după ce cauza eşecului resursei a fost reparată). Totodată este posibilă expirarea acestora prin setarea opţiunii failure-timeout resursei." #. Tag: para #, no-c-format msgid "So a setting of migration-threshold=2 and failure-timeout=60s would cause the resource to move to a new node after 2 failures, and allow it to move back (depending on the stickiness and constraint scores) after one minute." msgstr "Prin urmare setarea migration-threshold=2 şi failure-timeout=60s ar conduce resursa la mutarea pe un nod nou după 2 eşecuri şi potenţial îi va permite să se mute înapoi (în funcţie de scorurile de adezivitate şi restrictie) după un minut." #. Tag: para #, no-c-format msgid "There are two exceptions to the migration threshold concept; they occur when a resource either fails to start or fails to stop. Start failures cause the failcount to be set to INFINITY and thus always cause the resource to move immediately." msgstr "Sunt două excepţii la conceptul de prag de migrare şi se întâmplă atunci când o resursă fie eşuează să pornească sau eşuează să se oprească. Eşecurile de pornire fac failcount-ul să fie setat la INFINITY şi prin urmare provoacă mutarea imediată a resursei." #. Tag: para #, no-c-format msgid "Stop failures are slightly different and crucial. If a resource fails to stop and STONITH is enabled, then the cluster will fence the node in order to be able to start the resource elsewhere. If STONITH is not enabled, then the cluster has no way to continue and will not try to start the resource elsewhere, but will try to stop it again after the failure timeout." msgstr "Eşecurile la oprire sunt puţin diferite şi cruciale. Dacă o resursă eşuează de a se opri şi STONITH este activat, atunci clusterul va evacua nodul pentru a putea să pornească resursa în altă parte. Dacă STONITH nu este activat, atunci clusterul nu are nici o mod de a continua şi nu va încerca să pornească resursa în altă parte, dar va încerca să o oprească din nou după ce se depaşeşte timpul limită al eşecului." #. Tag: para #, no-c-format msgid "Please read before enabling this option." msgstr "Vă rugăm să citiţi înainte de activarea acestei opţiuni." #. Tag: title #, no-c-format msgid "Moving Resources Due to Connectivity Changes" msgstr "Mutarea Resurselor Din Cauza Schimbărilor de Conectivitate" #. Tag: para #, no-c-format msgid "Setting up the cluster to move resources when external connectivity is lost is a two-step process." msgstr "Setarea clusterului pentru a muta resursele când conectivitatea externă este pierdută, este un proces în doi paşi." #. Tag: title #, no-c-format msgid "Tell Pacemaker to monitor connectivity" msgstr "Spuneţi Pacemaker-ului să monitorizeze conectivitatea" #. Tag: para #, fuzzy, no-c-format msgid "To do this, you need to add a ping resource to the cluster. The ping resource uses the system utility of the same name to a test if list of machines (specified by DNS hostname or IPv4/IPv6 address) are reachable and uses the results to maintain a node attribute normally called pingd. The attribute name is customizable; that allows multiple ping groups to be defined. " msgstr "Pentru a realiza acest lucru, trebuie să adăugaţi o resursă ping la cluster. Resursa ping foloseşte utilitarul de sistem cu acelaşi nume pentru a testa dacă o listă de maşini (specificată după numele DNS sau adresa IPV4/IPV6) sunt accesibile şi foloseşte rezultatele pentru a menţine un atribut de nod numit în mod normal pingd Numele atributului este personalizabil ceea ce vă permite definirea de grupuri multiple de ping . " #. Tag: para #, fuzzy, no-c-format msgid "Older versions of Heartbeat required users to add ping nodes to ha.cf - this is no longer required." msgstr "Versiuni mai vechi de Heartbeat necesitau ca utilizatorii să adauge noduri de ping în ha.cf - acest lucru nu mai este necesar." #. Tag: para #, no-c-format msgid "Older versions of Pacemaker used a custom binary called pingd for this functionality; this is now deprecated in favor of ping." msgstr "" #. Tag: para #, no-c-format msgid "If your version of Pacemaker does not contain the ping agent, you can download the latest version from https://github.com/ClusterLabs/pacemaker/tree/master/extra/resources/ping" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Normally the resource will run on all cluster nodes, which means that you’ll need to create a clone. A template for this can be found below along with a description of the most interesting parameters." msgstr "În mod normal resursa va rula pe toate nodurile clusterului, ceea ce înseamnă că va trebui să creaţi o clonă. Un template pentru aceasta poate fi găsit mai jos împreună cu o descriere ale parametrilor cei mai interesanţi." #. Tag: title #, fuzzy, no-c-format msgid "Common Options for a ping Resource" msgstr "Opţiuni Obişnuite pentru o Resursă 'ping'" #. Tag: para #, no-c-format msgid "dampen" msgstr "" #. Tag: para #, no-c-format msgid "The time to wait (dampening) for further changes to occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times. dampenPing Resource Option Ping Resource Option Ping ResourceOptiondampen Optiondampen dampen " msgstr "" #. Tag: para #, no-c-format msgid "multiplier" msgstr "" #. Tag: para #, no-c-format msgid "The number of connected ping nodes gets multiplied by this value to get a score. Useful when there are multiple ping nodes configured. multiplierPing Resource Option Ping Resource Option Ping ResourceOptionmultiplier Optionmultiplier multiplier " msgstr "" #. Tag: para #, no-c-format msgid "host_list" msgstr "" #. Tag: para #, no-c-format msgid "The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS host names, IPv4 and IPv6 addresses. host_listPing Resource Option Ping Resource Option Ping ResourceOptionhost_list Optionhost_list host_list " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "An example ping cluster resource that checks node connectivity once every minute" msgstr "Un exemplu de resursă ping în cluster, verifică odată pe minut conectivatea nodului" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<clone id=\"Connected\">\n" " <primitive id=\"ping\" provider=\"pacemaker\" class=\"ocf\" type=\"ping\">\n" " <instance_attributes id=\"ping-attrs\">\n" " <nvpair id=\"pingd-dampen\" name=\"dampen\" value=\"5s\"/>\n" " <nvpair id=\"pingd-multiplier\" name=\"multiplier\" value=\"1000\"/>\n" " <nvpair id=\"pingd-hosts\" name=\"host_list\" value=\"my.gateway.com www.bigcorp.com\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ping-monitor-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" "</clone>" msgstr "" " <clone id=\"Connected\">\n" " <primitive id=\"ping\" provider=\"pacemaker\" class=\"ocf\" type=\"ping\">\n" " <instance_attributes id=\"ping-attrs\">\n" " <nvpair id=\"pingd-dampen\" name=\"dampen\" value=\"5s\"/>\n" " <nvpair id=\"pingd-multiplier\" name=\"multiplier\" value=\"1000\"/>\n" " <nvpair id=\"pingd-hosts\" name=\"host_list\" value=\"my.gateway.com www.bigcorp.com\"/>\n" " </instance_attributes>\n" " <operations>\n" " <op id=\"ping-monitor-60s\" interval=\"60s\" name=\"monitor\"/>\n" " </operations>\n" " </primitive>\n" " </clone> " #. Tag: para #, fuzzy, no-c-format msgid "You’re only half done. The next section deals with telling Pacemaker how to deal with the connectivity status that ocf:pacemaker:ping is recording." msgstr "Aţi terminat doar jumătate. Secţiunea următoare se ocupă cu informarea Pacemaker-ului despre cum să se comporte cu status-ul conectivităţii pe care ocf:pacemaker:ping îl înregistrează." #. Tag: title #, no-c-format msgid "Tell Pacemaker how to interpret the connectivity data" msgstr "Spuneţi Pacemaker-ului cum să interpreteze datele de conectivitate" #. Tag: para #, fuzzy, no-c-format msgid "Before reading the following, please make sure you have read and understood above." msgstr "NOTĂ: Înainte de a citi următoarele, vă rugăm să vă asiguraţi că aţi citit şi aţi înteles de mai sus." #. Tag: para #, fuzzy, no-c-format msgid "There are a number of ways to use the connectivity data provided by Heartbeat. The most common setup is for people to have a single ping node, to prevent the cluster from running a resource on any unconnected node." msgstr "Sunt un număr de feluri în care se pot folosi datele de conectivitate furnizate de Heartbeat. Cel mai întâlnit setup este ca oamenii să aibe un singur nod de ping şi să împiedice clusterul de a rula o resursă pe orice nod neconectat. TODO: este ideea că doar nodurile care pot ajunge ex. routerul ar trebui să aibe resurse active?" #. Tag: title #, fuzzy, no-c-format msgid "Don’t run on unconnected nodes" msgstr "Nu rula pe noduri neconectate" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-no-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"not_defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"WebServer-no-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"not_defined\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: para #, no-c-format msgid "A more complex setup is to have a number of ping nodes configured. You can require the cluster to only run resources on nodes that can connect to all (or a minimum subset) of them." msgstr "Un setup mai complex este acela de a avea un număr de noduri de ping configurate. Poţi solicita clusterului să ruleze resursele pe nodurile care se pot conecta la toate (sau doar un subset din) acestea" #. Tag: title #, fuzzy, no-c-format msgid "Run only on nodes connected to three or more ping nodes; this assumes multiplier is set to 1000:" msgstr "Rulează doar pe noduri conectate la 3 sau mai multe noduri de ping (presupune că multiplier este setat la 1000)" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: para #, fuzzy, no-c-format msgid "Instead you can tell the cluster only to prefer nodes with the best connectivity. Just be sure to set multiplier to a value higher than that of resource-stickiness (and don’t set either of them to INFINITY)." msgstr "sau în schimb puteţi spune clusterului să prefere doar nodurile cu cea mai mare conectivitate. Doar să vă asiguraţi să setaţi multiplicatorul la o valoare mai mare decât cea a resource-stickiness (şi să nu setaţi oricare dintre acestea la INFINITY)." #. Tag: title #, no-c-format msgid "Prefer the node with the most connected ping nodes" msgstr "Preferă nodul cu cele mai multe noduri de ping conectate" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: para #, no-c-format msgid "It is perhaps easier to think of this in terms of the simple constraints that the cluster translates it into. For example, if sles-1 is connected to all 5 ping nodes but sles-2 is only connected to 2, then it would be as if you instead had the following constraints in your configuration:" msgstr "Este probabil mai simplu să vă gândiţi la acest lucru în termenii simplelor restricţii în care clusterul traduce acest lucru. De exemplu, dacă sles-1 este conectat la toate cele 5 noduri de ping dar sles-2 este conectat doar la 2, atunci ar fi la fel ca şi când aţi avea următoarele restricţii în configuraţia voastră:" #. Tag: title #, no-c-format msgid "How the cluster translates the pingd constraint" msgstr "Cum traduce clusterul restricţia pingd" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"ping-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"5000\"/>\n" "<rsc_location id=\"ping-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"2000\"/>" msgstr "" " <rsc_location id=\"ping-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"5000\"/>\n" " <rsc_location id=\"ping-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"2000\"/> " #. Tag: para #, fuzzy, no-c-format msgid "The advantage is that you don’t have to manually update any constraints whenever your network connectivity changes." msgstr "Avantajul fiind că nu mai trebuie să le actualizaţi manual de fiecare dată când conectivitatea de reţea se schimbă." #. Tag: para #, no-c-format msgid "You can also combine the concepts above into something even more complex. The example below shows how you can prefer the node with the most connected ping nodes provided they have connectivity to at least three (again assuming that multiplier is set to 1000)." msgstr "Puteţi de asemenea să combinaţi conceptele de mai sus în ceva chiar mai complex de atât. Exemplul de mai jos arată cum puteţi prefera nodul cu cele mai multe noduri de ping conectate cu cerinţa că acestea trebuie să aibe conectivitate la minim trei (presupunând că multiplicatorul este setat la 1000)." #. Tag: title #, no-c-format msgid "A more complex example of choosing a location based on connectivity" msgstr "Un exemplu mai complex pentru alegerea locaţiei pe baza conectivităţii" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"WebServer-connectivity\" rsc=\"Webserver\">\n" " <rule id=\"ping-exclude-rule\" score=\"-INFINITY\" >\n" " <expression id=\"ping-exclude\" attribute=\"pingd\" operation=\"lt\" value=\"3000\"/>\n" " </rule>\n" " <rule id=\"ping-prefer-rule\" score-attribute=\"pingd\" >\n" " <expression id=\"ping-prefer\" attribute=\"pingd\" operation=\"defined\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: title #, no-c-format msgid "Resource Migration" msgstr "Migrarea Resurselor" #. Tag: para #, no-c-format msgid "Some resources, such as Xen virtual guests, are able to move to another location without loss of state. We call this resource migration; this is different from the normal practice of stopping the resource on the first machine and starting it elsewhere." msgstr "Unele resurse, precum oaspeţii virtuali de Xen, sunt capabili să se mute în altă locaţie fără pierderea stării. Numim acest lucru migrarea resurselor şi este diferit de practica normală a opririi resurselor pe prima maşină şi apoi pornirea acestora în altă parte." #. Tag: para #, fuzzy, no-c-format msgid "Not all resources are able to migrate, see the Migration Checklist below, and those that can, won’t do so in all situations. Conceptually there are two requirements from which the other prerequisites follow:" msgstr "Nu toate resursele sunt capabile de migrare, vedeţi Lista de Migrare de mai jos, şi mai sunt cele care nu pot să facă acest lucru în toate situaţiile. În mod conceptual sunt două cerinţe din care celelalte necesităţi urmează:" #. Tag: para #, no-c-format msgid "the resource must be active and healthy at the old location" msgstr "resursa trebuie să fie activă şi sănătoasă în locaţia veche" #. Tag: para #, no-c-format msgid "everything required for the resource to run must be available on both the old and new locations" msgstr "tot ce este necesar pentru ca resursa să funcţioneze trebuie să fie disponibil atât la vechea cât şi la noua locaţie" #. Tag: para #, no-c-format msgid "The cluster is able to accommodate both push and pull migration models by requiring the resource agent to support two new actions: migrate_to (performed on the current location) and migrate_from (performed on the destination)." msgstr "Clusterul este capabil să acomodeze atât modele de migrare de tip push cât şi pull prin solicitarea ca agentul de resursă să suporte două noi acţiuni: migrate_to (efectuată pe locaţia curentă) şi migrate_from (efectuată pe destinaţie)." #. Tag: para #, no-c-format msgid "In push migration, the process on the current location transfers the resource to the new location where is it later activated. In this scenario, most of the work would be done in the migrate_to action and, if anything, the activation would occur during migrate_from." msgstr "În migrarea de tip push, procesul de pe locaţia curentă se transferă pe locaţia nouă unde este activat mai târziu. În acest scenariu, majoritatea muncii ar fi realizată în acţiunea migrate_to şi activarea ar avea loc în timpul migrate_from." #. Tag: para #, no-c-format msgid "Conversely for pull, the migrate_to action is practically empty and migrate_from does most of the work, extracting the relevant resource state from the old location and activating it." msgstr "În egală măsură pentru pull, acţiunea migrate_to este practic fără conţinut şi migrate_from realizează majoritatea muncii, extrăgând starea relevantă a resursei de la locaţia veche şi activând-o." #. Tag: para #, no-c-format msgid "There is no wrong or right way to implement migration for your service, as long as it works." msgstr "Nu există un mod greşit sau corect de a implementa migrarea serviciului vostru, atâta timp cât funcţionează." #. Tag: title #, no-c-format msgid "Migration Checklist" msgstr "Lista de Migrare" #. Tag: para #, no-c-format msgid "The resource may not be a clone." msgstr "Resursa nu poate fi o clonă." #. Tag: para #, no-c-format msgid "The resource must use an OCF style agent." msgstr "Resursa trebuie să folosească un agent de stilul OCF." #. Tag: para #, no-c-format msgid "The resource must not be in a failed or degraded state." msgstr "Resursa nu trebuie să fie într-o stare degradată sau să fi eşuat." #. Tag: para #, fuzzy, no-c-format msgid "The resource must not, directly or indirectly, depend on any primitive or group resources." msgstr "Resursa trebuie să nu depindă, în mod direct sau indirect, de orice primitivă sau grup de resurse." #. Tag: para #, no-c-format msgid "The resource must support two new actions: migrate_to and migrate_from, and advertise them in its metadata." msgstr "Resursa trebuie să suporte două noi acţiuni: migrate_to şi migrate_from şi trebuie să le anunţe în meta-informaţiile proprii." #. Tag: para #, no-c-format msgid "The resource must have the allow-migrate meta-attribute set to true (which is not the default)." msgstr "Resursa trebuie să aibe meta-atributul allow-migrate setat pe true (nu pe valoarea implicită)" #. Tag: para #, no-c-format msgid "If the resource depends on a clone, and at the time the resource needs to be move, the clone has instances that are stopping and instances that are starting, then the resource will be moved in the traditional manner. The Policy Engine is not yet able to model this situation correctly and so takes the safe (yet less optimal) path." msgstr "Dacă resursa depinde de o clonă, iar la momentul când resursa trebuie să fie mutată, clona are instanţe care se opresc şi instanţe care pornesc, atunci resursa va fi mutată în modul tradiţional. Policy Engine-ul nu este capabil încă să modeleze această situaţie în mod corect aşa că ia calea (mai puţin optimă) dar mai sigură." #. Tag: title #, no-c-format msgid "Reusing Rules, Options and Sets of Operations" msgstr "Refolosirea Regulilor, Opţiunilor şi a Setului de Operaţiuni" #. Tag: para #, no-c-format msgid "Sometimes a number of constraints need to use the same set of rules, and resources need to set the same options and parameters. To simplify this situation, you can refer to an existing object using an id-ref instead of an id." msgstr "Câteodată un număr de restricţii trebuie să folosească acelaşi set de reguli şi resursele trebuie sa seteze aceleaşi opţiuni şi parametri. Pentru a simplifica această situaţie, puteţi face referinţă la un obiect existent folosind un id-ref în loc de un id." #. Tag: para #, no-c-format msgid "So if for one resource you have" msgstr "Deci dacă pentru o resursă aveţi" #. Tag: para #, fuzzy, no-c-format msgid "Then instead of duplicating the rule for all your other resources, you can instead specify:" msgstr "Atunci în loc să duplicaţi regula pentru toate celelalte resurse, puteţi specifica în schimb" #. Tag: title #, no-c-format msgid "Referencing rules from other constraints" msgstr "Realizând referinţe către reguli din alte restricţii" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"WebDB-connectivity\" rsc=\"WebDB\">\n" " <rule id-ref=\"ping-prefer-rule\"/>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"WebDB-connectivity\" rsc=\"WebDB\">\n" " <rule id-ref=\"ping-prefer-rule\"/>\n" " </rsc_location> " #. Tag: para #, no-c-format msgid "The cluster will insist that the rule exists somewhere. Attempting to add a reference to a non-existing rule will cause a validation failure, as will attempting to remove a rule that is referenced elsewhere." msgstr "Clusterul va insista că regula există undeva. Încercând să adaugaţi o referinţă către o regulă ce nu există va cauza un eşec al validării, la fel ca şi încercarea de a înlătura regula care este referenţiată în altă parte." #. Tag: para #, fuzzy, no-c-format msgid "The same principle applies for meta_attributes and instance_attributes as illustrated in the example below:" msgstr "Acelaşi principiu se aplică pentru meta_attributes şi pentru instance_attributes după cum este prezentat în exemplul de mai jos" #. Tag: title #, no-c-format msgid "Referencing attributes, options, and operations from other resources" msgstr "Referenţierea atributelor, opţiunilor şi operaţiunilor din alte resurse" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"mySpecialRsc-attrs\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"mySpecialRsc-options\">\n" " <nvpair id=\"failure-timeout\" name=\"failure-timeout\" value=\"5m\"/>\n" " <nvpair id=\"migration-threshold\" name=\"migration-threshold\" value=\"1\"/>\n" " <nvpair id=\"stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" " <operations id=\"health-checks\">\n" " <op id=\"health-check\" name=\"monitor\" interval=\"60s\"/>\n" " <op id=\"health-check\" name=\"monitor\" interval=\"30min\"/>\n" " </operations>\n" "</primitive>\n" "<primitive id=\"myOtherlRsc\" class=\"ocf\" type=\"Other\" provider=\"me\">\n" " <instance_attributes id-ref=\"mySpecialRsc-attrs\"/>\n" " <meta_attributes id-ref=\"mySpecialRsc-options\"/>\n" " <operations id-ref=\"health-checks\"/>\n" "</primitive>" msgstr "" " <primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"mySpecialRsc-attrs\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" " <meta_attributes id=\"mySpecialRsc-options\">\n" " <nvpair id=\"failure-timeout\" name=\"failure-timeout\" value=\"5m\"/>\n" " <nvpair id=\"migration-threshold\" name=\"migration-threshold\" value=\"1\"/>\n" " <nvpair id=\"stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" " <operations id=\"health-checks\">\n" " <op id=\"health-check\" name=\"monitor\" interval=\"60s\"/>\n" " <op id=\"health-check\" name=\"monitor\" interval=\"30min\"/>\n" " </operations>\n" " </primitive>\n" " <primitive id=\"myOtherlRsc\" class=\"ocf\" type=\"Other\" provider=\"me\">\n" " <instance_attributes id-ref=\"mySpecialRsc-attrs\"/>\n" " <meta_attributes id-ref=\"mySpecialRsc-options\"/>\n" " <operations id-ref=\"health-checks\"/>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Reloading Services After a Definition Change" msgstr "Reîncărcarea Serviciilor După Schimbarea unei Definiţii" #. Tag: para #, no-c-format msgid "The cluster automatically detects changes to the definition of services it manages. However, the normal response is to stop the service (using the old definition) and start it again (with the new definition). This works well, but some services are smarter and can be told to use a new set of options without restarting." msgstr "Clusterul detectează în mod automat schimbări ale definiţiei serviciilor pe care le gestionează. Totuşi, răspunsul normal este să oprească serviciul (folosind definiţia veche) şi să îl pornească din nou (cu definiţia nouă). Acest lucru functionează bine, dar unele servicii sunt inteligente şi li se poate spune să folosească un set nou de opţiuni fară să repornească." #. Tag: para #, no-c-format msgid "To take advantage of this capability, your resource agent must:" msgstr "Pentru a profita de această capabilitate, agentul vostru de resursă trebuie să:" #. Tag: para #, fuzzy, no-c-format msgid "Accept the reload operation and perform any required actions. The steps required here depend completely on your application!" msgstr "Accepte operaţiunea reload şi să efectueze orice acţiuni necesare. Pașii necesari aici depind complet de aplicația voastră!" #. Tag: title #, fuzzy, no-c-format msgid "The DRBD Agent’s Control logic for Supporting the reload Operation" msgstr "Logica de Control pentru Suportarea Operaţiunii de reload a Agentului DRBD" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "case $1 in\n" " start)\n" " drbd_start\n" " ;;\n" " stop)\n" " drbd_stop\n" " ;;\n" " reload)\n" " drbd_reload\n" " ;;\n" " monitor)\n" " drbd_monitor\n" " ;;\n" " *)\n" " drbd_usage\n" " exit $OCF_ERR_UNIMPLEMENTED\n" " ;;\n" "esac\n" "exit $?" msgstr "" " case $1 in\n" " start)\n" " drbd_start\n" " ;;\n" " stop)\n" " drbd_stop\n" " ;;\n" " reload)\n" " drbd_reload\n" " ;;\n" " monitor)\n" " drbd_monitor\n" " ;;\n" " *) \n" " drbd_usage\n" " exit $OCF_ERR_UNIMPLEMENTED\n" " ;;\n" " esac\n" " exit $? " #. Tag: para #, no-c-format msgid "Advertise the reload operation in the actions section of its metadata" msgstr "Anunţă operaţiunea reload în secţiunea de actions din meta-informaţiile proprii" #. Tag: title #, no-c-format msgid "The DRBD Agent Advertising Support for the reload Operation" msgstr "Anunţarea Suportului Operaţiunii de reload a Agentului DRBD" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"drbd\">\n" " <version>1.1</version>\n" "\n" " <longdesc>\n" " Master/Slave OCF Resource Agent for DRBD\n" " </longdesc>\n" "\n" " ...\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"240\" />\n" " <action name=\"reload\" timeout=\"240\" />\n" " <action name=\"promote\" timeout=\"90\" />\n" " <action name=\"demote\" timeout=\"90\" />\n" " <action name=\"notify\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" " <?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"drbd\">\n" " <version>1.1</version>\n" " \n" " <longdesc lang=\"en\">\n" " Master/Slave OCF Resource Agent for DRBD\n" " </longdesc>\n" " \n" " ...\n" " \n" " <actions>\n" " <action name=\"start\" timeout=\"240\" />\n" " <action name=\"reload\" timeout=\"240\" />\n" " <action name=\"promote\" timeout=\"90\" />\n" " <action name=\"demote\" timeout=\"90\" />\n" " <action name=\"notify\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent> " #. Tag: para #, no-c-format msgid "Advertise one or more parameters that can take effect using reload." msgstr "Promovaţi unul sau mai mulţi parametri care pot intra în vigoare folosing reload." #. Tag: para #, no-c-format msgid "Any parameter with the unique set to 0 is eligible to be used in this way." msgstr "Orice parametru cu unique setat pe 0 este eligibil să fie folosit în acest fel." #. Tag: title #, no-c-format msgid "Parameter that can be changed using reload" msgstr "Parametru care poate fi schimbat folosind reload" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<parameter name=\"drbdconf\" unique=\"0\">\n" " <longdesc>Full path to the drbd.conf file.</longdesc>\n" " <shortdesc>Path to drbd.conf</shortdesc>\n" " <content type=\"string\" default=\"${OCF_RESKEY_drbdconf_default}\"/>\n" "</parameter>" msgstr "" " <parameter name=\"drbdconf\" unique=\"0\">\n" " <longdesc lang=\"en\">Full path to the drbd.conf file.</longdesc>\n" " <shortdesc lang=\"en\">Path to drbd.conf</shortdesc>\n" " <content type=\"string\" default=\"${OCF_RESKEY_drbdconf_default}\"/>\n" " </parameter> " #. Tag: para #, no-c-format msgid "Once these requirements are satisfied, the cluster will automatically know to reload the resource (instead of restarting) when a non-unique fields changes." msgstr "Odată ce aceste cerinţe au fost satisfăcute, clusterul automat va şti să reîncarce, în loc să restarteze, resursa când un câmp non-unic se schimbă." #. Tag: para #, no-c-format msgid "The metadata is re-read when the resource is started. This may mean that the resource will be restarted the first time, even though you changed a parameter with unique=0" msgstr "Meta-informaţiile sunt recitite când resursa este pornită. Acest lucru înseamnă că resursa va fi restartată prima data, deşi aţi schimbat un parametru cu unique=0" #. Tag: para #, no-c-format msgid "If both a unique and non-unique field are changed simultaneously, the resource will still be restarted." msgstr "Dacă atât un câmp unic si non-unic sunt schimbate simultan, resursa tot va fi restartată." #~ msgid "Environment VariableRemote Administration Environment Variable" #~ msgstr "Variabilă de MediuAdministrare la Distanță Variabilă de Mediu" #~ msgid "CIB_*, Env. Var. for Remote Conn.user Environment VariableCIB_user CIB_user" #~ msgstr "CIB_*, Env. Var. for Remote Conn.user Environment VariableCIB_user CIB_user" #~ msgid "CIB_*, Env. Var. for Remote Conn.passwd Environment VariableCIB_passwd CIB_passwd" #~ msgstr "CIB_*, Env. Var. pentru Conexiuni la Distanțăpasswd Variabilă de MediuCIB_passwd CIB_passwd" #~ msgid "The user's password. Read from the command line if unset." #~ msgstr "Parola utilizatorului. Este citită de la linia de comandă dacă nu este setată" #~ msgid "CIB_*, Env. Var. for Remote Conn.server Environment VariableCIB_server CIB_server" #~ msgstr "CIB_*, Env. Var. pentru Conexiuni la Distanțăserver Variabilă de MediuCIB_server CIB_server" #~ msgid "The host to contact. Defaults to localhost." #~ msgstr "Gazda care să fie contactată. Valoarea implicită este localhost." #~ msgid "CIB_*, Env. Var. for Remote Conn.port Environment VariableCIB_port CIB_port" #~ msgstr "CIB_*, Env. Var. pentru Conexiuni la Distanțăport Variabilă de MediuCIB_port CIB_port" #~ msgid "The port on which to contact the server; required." #~ msgstr "Portul pe care să contacteze serverul. Cerinţă obligatorie." #~ msgid "CIB_*, Env. Var. for Remote Conn.encrypted Environment VariableCIB_encrypted CIB_encrypted" #~ msgstr "CIB_*, Env. Var. pentru Conexiuni la Distanțăencrtpted Variabilă de MediuCIB_encrypted CIB_encrypted" #~ msgid "Encrypt network traffic; defaults to true." #~ msgstr "Criptează traficul de reţea. Valoarea implicită este true." #~ msgid "Remoteconnect, CIB options Extra top-level CIB options for remote access" #~ msgstr "La distanțăconectare, opțiuni CIB Opțiuni primare suplimentare pentru accesul la distanță" #~ msgid "remote-tls-port remote-tls-port" #~ msgstr "remote-tls-port remote-tls-port" #~ msgid "Listen for encrypted remote connections on this port. Default: none" #~ msgstr "Ascultă pentru conexiuni de la distanţă criptate pe acest port. Valoarea implicită: none" #~ msgid "remote-clear-port remote-clear-port" #~ msgstr "remote-clear-port remote-clear-port" #~ msgid "Listen for plaintext remote connections on this port. Default: none" #~ msgstr "Ascultă pentru conexiuni de la distanţă în clar pe acest port. Valoarea implicită: none" #~ msgid "Moving Resources" #~ msgstr "Mutarea Resurselor" #~ msgid "ResourceMoving" #~ msgstr "MutareaResurselor" #~ msgid "Older versions of Pacemaker used a custom binary called pingd for this functionality; this is now deprecated in favor of ping. If your version of Pacemaker does not contain the ping agent, you can download the latest version." #~ msgstr "Versiuni mai vechi de Pacemaker foloseau un binar special numit pingd pentru această funcţionalitate; acest lucru este acum depreciat în favoarea comenzii ping. Dacă versiunea voastră de Pacemaker nu conţine agentul ping, puteţi descărca cea mai recentă versiune de la ." #~ msgid "The time to wait (dampening) for further changes to occur. Use this to prevent a resource from bouncing around the cluster when cluster nodes notice the loss of connectivity at slightly different times." #~ msgstr "Timpul pe care să îl aştepte (atenuarea) pentru alte modificări să se întâmple. Folosiţi acesta pentru a preveni o resursă de a ricoşa de colo-colo prin cluster atunci când nodurile observă pierderea conectivităţii la intervale uşor diferite de timp." #~ msgid "The number of connected ping nodes gets multiplied by this value to get a score. Useful when there are multiple ping nodes configured." #~ msgstr "Numărul cu care să se multiplice numărul de noduri ping conectate. Folositor când sunt mai multe noduri ping configurate." #~ msgid "host_listResource Option ResourceOptionhost_list host_list" #~ msgstr "host_listOpțiunea Resursei OpțiuneaResurseihost_list host_list" #~ msgid "The machines to contact in order to determine the current connectivity status. Allowed values include resolvable DNS host names, IPv4 and IPv6 addresses." #~ msgstr "Maşinile pe care să le contacteze pentru a determina status-ul curent de conectivitate. Valorile permise includ hostname-uri DNS rezolvabile, adrese IPV4 şi IPV6." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Advanced-Resources.po000066400000000000000000003425101217637305600262470ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:01\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Advanced Resource Types" msgstr "Tipuri Avansate de Resurse" #. Tag: title #, no-c-format msgid "Groups - A Syntactic Shortcut" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Group Resources ResourcesGroups Groups " msgstr "Grup de Resurse ResurseGrupuri Grupuri - A Scurtătură Sintactică" #. Tag: para #, no-c-format msgid "One of the most common elements of a cluster is a set of resources that need to be located together, start sequentially, and stop in the reverse order. To simplify this configuration we support the concept of groups." msgstr "Unul dintre cele mai comune elemente ale unui cluster este un set de resurse care trebuie plasate împreună, pornesc secvenţial şi se opres în ordine inversă. Pentru a simplifica această configuraţie suportăm conceptul de grupuri." #. Tag: title #, no-c-format msgid "An example group" msgstr "Un exemplu de grup" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<group id=\"shortcut\">\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </group>" msgstr "" " <group id=\"shortcut\">\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </group> " #. Tag: para #, no-c-format msgid "Although the example above contains only two resources, there is no limit to the number of resources a group can contain. The example is also sufficient to explain the fundamental properties of a group:" msgstr "Deşi exemplul de mai sus conţine doar două resurse, nu este nici o limită asupra numărului de resurse pe care le poate conţine un grup. Exemplul este de asemenea suficient pentru a explica proprietăţile fundamentale ale unui grup:" #. Tag: para #, no-c-format msgid "Resources are started in the order they appear in (Public-IP first, then Email)" msgstr "Resursele sunt pornite în ordinea în care apar (întâi Public-IP, apoi Email)" #. Tag: para #, no-c-format msgid "Resources are stopped in the reverse order to which they appear in (Email first, then Public-IP)" msgstr "Resursele sunt oprite în ordine inversă faţă de cea în care apar (întâi Email, apoi Public-IP)" #. Tag: para #, fuzzy, no-c-format msgid "If a resource in the group can’t run anywhere, then nothing after that is allowed to run, too." msgstr "Dacă o resursă din grup nu poate rula nicăieri, atunci nimic din ce urmează după aceasta nu îi este permis să ruleze" #. Tag: para #, fuzzy, no-c-format msgid "If Public-IP can’t run anywhere, neither can Email;" msgstr "Dacă Public-IP nu poate rula nicăieri, nici Email nu va putea;" #. Tag: para #, fuzzy, no-c-format msgid "but if Email can’t run anywhere, this does not affect Public-IP in any way" msgstr "dar dacă Email nu poate rula nicăieri, acest lucru nu afectează Public-IP în nici un fel" #. Tag: para #, no-c-format msgid "The group above is logically equivalent to writing:" msgstr "Grupul de deasupra este echivalent logic cu a scrie:" #. Tag: title #, no-c-format msgid "How the cluster sees a group resource" msgstr "Cum vede clusterul un grup de resurse" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<configuration>\n" " <resources>\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"xxx\" rsc=\"Email\" with-rsc=\"Public-IP\" score=\"INFINITY\"/>\n" " <rsc_order id=\"yyy\" first=\"Public-IP\" then=\"Email\"/>\n" " </constraints>\n" "</configuration>" msgstr "" " <configuration>\n" " <resources>\n" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive>\n" " <primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" " </resources>\n" " <constraints>\n" " <rsc_colocation id=\"xxx\" rsc=\"Email\" with-rsc=\"Public-IP\" score=\"INFINITY\"/>\n" " <rsc_order id=\"yyy\" first=\"Public-IP\" then=\"Email\"/>\n" " </constraints>\n" " </configuration> " #. Tag: para #, no-c-format msgid "Obviously as the group grows bigger, the reduced configuration effort can become significant." msgstr "În mod evident pe măsură ce grupul creşte, efortul de configurare redus poate deveni semnificativ." #. Tag: para #, no-c-format msgid "Another (typical) example of a group is a DRBD volume, the filesystem mount, an IP address, and an application that uses them." msgstr "Un alt exemplu (tipi) al unui grup este un volum DBRD, un mount de sistem de fișiere, o adresă IP și o aplicație care le folosește." #. Tag: title #, fuzzy, no-c-format msgid "Group Properties" msgstr "Proprietăţi" #. Tag: title #, no-c-format msgid "Properties of a Group Resource" msgstr "Proprietăţile unui Grup de Resurse" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, fuzzy, no-c-format msgid "id" msgstr "Resursele Active:" #. Tag: para #, fuzzy, no-c-format msgid "Your name for the group idGroup Resource Property Group Resource Property ResourceGroup Propertyid Group Propertyid id " msgstr "idProprietatea unei Resurse de Grup Proprietățile unei Resurse de Grupid ResursăProprietate de Grupid id" #. Tag: title #, fuzzy, no-c-format msgid "Group Options" msgstr "Opţiuni" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "Opţiuni moştenite de la resurse simple: priority, target-role, is-managed" #. Tag: title #, fuzzy, no-c-format msgid "Group Instance Attributes" msgstr "Atributele Instanţelor" #. Tag: para #, fuzzy, no-c-format msgid "Groups have no instance attributes, however any that are set here will be inherited by the group’s children." msgstr "Grupurile nu au atribute de instanţă, totuşi oricare ar fi setate aici vor fi moştenite de către copiii grupului." #. Tag: title #, fuzzy, no-c-format msgid "Group Contents" msgstr "Conţinut" #. Tag: para #, fuzzy, no-c-format msgid "Groups may only contain a collection of cluster resources. To refer to the child of a group resource, just use the child’s id instead of the group’s." msgstr "Grupurile pot conţine numai o colecţie de resurse de cluster de tip primitive. Pentru a face referinţă la copilul unei resurse dintr-un grup, folosiţi pur şi simplu id-ul copilului în locul celui al grupului." #. Tag: title #, fuzzy, no-c-format msgid "Group Constraints" msgstr "Restricţii" #. Tag: para #, fuzzy, no-c-format msgid "Although it is possible to reference the group’s children in constraints, it is usually preferable to use the group’s name instead." msgstr "Deşi este posibil să referenţiezi copiii grupului în restricţii, este în mod uzual preferabil să folosiţi numele grupului în schimb." #. Tag: title #, no-c-format msgid "Example constraints involving groups" msgstr "Exemple de restricţii care implică grupuri" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"group-prefers-node1\" rsc=\"shortcut\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"webserver-with-group\" rsc=\"Webserver\" with-rsc=\"shortcut\"/>\n" " <rsc_order id=\"start-group-then-webserver\" first=\"Webserver\" then=\"shortcut\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_location id=\"group-prefers-node1\" rsc=\"shortcut\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"webserver-with-group\" rsc=\"Webserver\" with-rsc=\"shortcut\"/>\n" " <rsc_order id=\"start-group-then-webserver\" first=\"Webserver\" then=\"shortcut\"/>\n" " </constraints> " #. Tag: title #, fuzzy, no-c-format msgid "Group Stickiness" msgstr "Adezivitate" #. Tag: para #, fuzzy, no-c-format msgid " resource-stickinessGroups Groups " msgstr "resource-stickinessa unei Resurse de Grup Adezivitatea" #. Tag: para #, fuzzy, no-c-format msgid "Stickiness, the measure of how much a resource wants to stay where it is, is additive in groups. Every active resource of the group will contribute its stickiness value to the group’s total. So if the default resource-stickiness is 100, and a group has seven members, five of which are active, then the group as a whole will prefer its current location with a score of 500." msgstr "Adezivitatea, măsura a cât de mult vrea o resursă să rămână acolo unde este, este aditivă în grupuri. Fiecare membru activ al grupului va contribui cu valoarea adezivităţii acestuia la totalul grupului. Deci dacă valoarea implicită a resource-stickiness este 100 şi grupul are şapte membri, cinci din aceştia fiind activi, atunci grupul ca întreg va prefera locaţia curentă cu un scor de 500." #. Tag: title #, no-c-format msgid "Clones - Resources That Get Active on Multiple Hosts" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Clone Resources ResourcesClones Clones " msgstr "Resursele Clonă ResurseleClone Clonele - Resursele Care Devin Active pe mai Multe Gazde" #. Tag: para #, fuzzy, no-c-format msgid "Clones were initially conceived as a convenient way to start N instances of an IP resource and have them distributed throughout the cluster for load balancing. They have turned out to quite useful for a number of purposes including integrating with Red Hat’s DLM, the fencing subsystem, and OCFS2." msgstr "Clonele au fost concepute iniţial ca o modalitate convenientă de a porni N instanţe ale unei resurse IP şi de a le avea distribuite de-a lungul clusterului pentru partajarea nivelului de încărcare. S-au dovedit a fi chiar utile pentru un număr de scopuri incluzând integrarea cu DLM-ul de la Red Hat, subsistemul de evacuare şi OCFS2." #. Tag: para #, no-c-format msgid "You can clone any resource, provided the resource agent supports it." msgstr "Puteţi clona orice resursă atâta timp cât agentul de resursă suportă acest lucru." #. Tag: para #, no-c-format msgid "Three types of cloned resources exist:" msgstr "Există trei tipuri de resurse clonate." #. Tag: para #, no-c-format msgid "Anonymous" msgstr "Anonime" #. Tag: para #, no-c-format msgid "Globally Unique" msgstr "Unice la nivel global" #. Tag: para #, no-c-format msgid "Stateful" msgstr "Stateful" #. Tag: para #, no-c-format msgid "Anonymous clones are the simplest type. These resources behave completely identically everywhere they are running. Because of this, there can only be one copy of an anonymous clone active per machine." msgstr "Clonele anonime sunt tipul cel mai simplu. Aceste resurse se comportă absolut identic oriunde rulează. Din această cauză, poate exista doar o copie a unei clone anonime activă per maşină." #. Tag: para #, no-c-format msgid "Globally unique clones are distinct entities. A copy of the clone running on one machine is not equivalent to another instance on another node. Nor would any two copies on the same node be equivalent." msgstr "Clonele unice la nivel global sunt entităţi distincte. O copie a unei clone rulând pe o maşină nu este echivalentă cu o altă instanţă pe alt nod. Nici nu ar fi echivalente oricare două copii pe acelaşi nod." #. Tag: para #, no-c-format msgid "Stateful clones are covered later in ." msgstr "Clonele stateful sunt discutate mai târziu în ." #. Tag: title #, no-c-format msgid "An example clone" msgstr "Un exemplu de clonă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<clone id=\"apache-clone\">\n" " <meta_attributes id=\"apache-clone-meta\">\n" " <nvpair id=\"apache-unique\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"apache\" class=\"lsb\" type=\"apache\"/>\n" "</clone>" msgstr "" " <clone id=\"apache-clone\">\n" " <meta_attributes id=\"apache-clone-meta\">\n" " <nvpair id=\"apache-unique\" name=\"globally-unique\" value=\"false\"/>\n" " </meta_attributes>\n" " <primitive id=\"apache\" class=\"lsb\" type=\"apache\"/>\n" " </clone> " #. Tag: title #, fuzzy, no-c-format msgid "Clone Properties" msgstr "Proprietăţi" #. Tag: title #, no-c-format msgid "Properties of a Clone Resource" msgstr "Proprietăţile unei Resurse Clonă" #. Tag: para #, fuzzy, no-c-format msgid "Your name for the clone idClone Property Clone Property ClonePropertyid Propertyid id " msgstr "idProprietatea unei Resurse Clonă Proprietățile Resurselor Clonăid ResurseProprietatea Cloneiid id" #. Tag: title #, fuzzy, no-c-format msgid "Clone Options" msgstr "Opţiuni" #. Tag: title #, no-c-format msgid "Clone specific configuration options" msgstr "Opţiuni de configurare specifice clonei" #. Tag: para #, fuzzy, no-c-format msgid "clone-max" msgstr "Resursele Slave:" #. Tag: para #, fuzzy, no-c-format msgid "How many copies of the resource to start. Defaults to the number of nodes in the cluster. clone-maxClone Option Clone Option CloneOptionclone-max Optionclone-max clone-max " msgstr "idProprietatea unei Resurse Clonă Proprietățile Resurselor Clonăid ResurseProprietatea Cloneiid id" #. Tag: para #, fuzzy, no-c-format msgid "clone-node-max" msgstr "Resursele Slave:" #. Tag: para #, fuzzy, no-c-format msgid "How many copies of the resource can be started on a single node; default 1. clone-node-maxClone Option Clone Option CloneOptionclone-node-max Optionclone-node-max clone-node-max " msgstr "clone-node-max Proprietatea unei Resurse Clonă Proprietățile Resursei Clonăclone-node-max ResursăProprietatea Cloneiclone-node-max clone-node-max" #. Tag: para #, fuzzy, no-c-format msgid "notify" msgstr "Resursele Active:" #. Tag: para #, no-c-format msgid "When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: false, true notifyClone Option Clone Option CloneOptionnotify Optionnotify notify " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "globally-unique" msgstr "Resursele Slave:" #. Tag: para #, no-c-format msgid "Does each copy of the clone perform a different function? Allowed values: false, true globally-uniqueClone Option Clone Option CloneOptionglobally-unique Optionglobally-unique globally-unique " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "ordered" msgstr "Resurse Master:" #. Tag: para #, fuzzy, no-c-format msgid "Should the copies be started in series (instead of in parallel). Allowed values: false, true orderedClone Option Clone Option CloneOptionordered Optionordered ordered " msgstr "idProprietatea unei Resurse Clonă Proprietățile Resurselor Clonăid ResurseProprietatea Cloneiid id" #. Tag: para #, fuzzy, no-c-format msgid "interleave" msgstr "Resursele Slave:" #. Tag: para #, no-c-format msgid "Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: false, true interleaveClone Option Clone Option CloneOptioninterleave Optioninterleave interleave " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Clone Instance Attributes" msgstr "Atributele Instanţelor" #. Tag: para #, fuzzy, no-c-format msgid "Clones have no instance attributes; however, any that are set here will be inherited by the clone’s children." msgstr "Clonele nu au atribute de instanţă, totuşi cele care sunt setate aici vor fi moştenite de copiii clonei." #. Tag: title #, fuzzy, no-c-format msgid "Clone Contents" msgstr "Conţinut" #. Tag: para #, no-c-format msgid "Clones must contain exactly one group or one regular resource." msgstr "Clonele trebuie să conţină fix un grup sau o resursă obişnuită." #. Tag: para #, fuzzy, no-c-format msgid "You should never reference the name of a clone’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "Nu ar trebui să referenţiaţi niciodată numele copilului unei clone. Dacă se consideră că este necesar acest lucru, probabil trebuie sa re-evaluaţi design-ul vostru." #. Tag: title #, fuzzy, no-c-format msgid "Clone Constraints" msgstr "Restricţii" #. Tag: para #, fuzzy, no-c-format msgid "In most cases, a clone will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the clone’s id is used." msgstr "În majoritatea cazurilor, o clonă va avea o singură copie pe fiecare nod activ din cluster. Totuşi dacă nu este cazul, puteţi indica prin restricţii de locaţie a resursei către care noduri ar trebui clusterul să asigneze în mod preferenţial copiile. Aceste restricţii nu sunt scrise în mod diferit faţă de cele pentru resurse obişnuite cu excepţia faptului că id-ul clonei este folosit." #. Tag: para #, no-c-format msgid "Ordering constraints behave slightly differently for clones. In the example below, apache-stats will wait until all copies of the clone that need to be started have done so before being started itself. Only if no copies can be started apache-stats will be prevented from being active. Additionally, the clone will wait for apache-stats to be stopped before stopping the clone." msgstr "Restricţiile de ordonare se comportă uşor diferit în cazul clonelor. În exemplele de mai jos, apache-stats va aştepta până ce toate copiile clonelor care trebuie să fie pornite au făcut acest lucru înainte ca aceasta să fie pornită la rândul ei. Doar dacă nici o copie nu poate fi pornită va fi împiedicată apache-stats din a fi activă. În plus, clona va aştepta ca apache-stats să fie oprită înainte de a opri clona." #. Tag: para #, fuzzy, no-c-format msgid "Colocation of a regular (or group) resource with a clone means that the resource can run on any machine with an active copy of the clone. The cluster will choose a copy based on where the clone is running and the resource’s own location preferences." msgstr "Colocarea unei resurse obişnuite (sau a unui grup) cu o clonă înseamnă că resursa poate rula pe orice maşină cu o copie activă a clonei. Clusterul va alege o copie ţinând cont unde rulează în mod curent clona şi de preferinţele proprii de locaţie ale resursei." #. Tag: para #, no-c-format msgid "Colocation between clones is also possible. In such cases, the set of allowed locations for the clone is limited to nodes on which the clone is (or will be) active. Allocation is then performed as normally." msgstr "Colocarea între clone este posibilă de asemenea. În astfel de cazuri, setul de locaţii permise pentru clonă este limitat la nodurile pe care clona alături de care va fi colocată este (sau va fi) activă. Alocarea este mai apoi efectuată în mod normal." #. Tag: title #, no-c-format msgid "Example constraints involving clones" msgstr "Exemple de restricţii implicând clone" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"clone-prefers-node1\" rsc=\"apache-clone\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"stats-with-clone\" rsc=\"apache-stats\" with=\"apache-clone\"/>\n" " <rsc_order id=\"start-clone-then-stats\" first=\"apache-clone\" then=\"apache-stats\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_location id=\"clone-prefers-node1\" rsc=\"apache-clone\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"stats-with-clone\" rsc=\"apache-stats\" with=\"apache-clone\"/>\n" " <rsc_order id=\"start-clone-then-stats\" first=\"apache-clone\" then=\"apache-stats\"/>\n" " </constraints> " #. Tag: title #, fuzzy, no-c-format msgid "Clone Stickiness" msgstr "Adezivitate" #. Tag: para #, fuzzy, no-c-format msgid " resource-stickinessClones Clones " msgstr "resource-stickinessa unei Resurse de Grup Adezivitatea" #. Tag: para #, fuzzy, no-c-format msgid "To achieve a stable allocation pattern, clones are slightly sticky by default. If no value for resource-stickiness is provided, the clone will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "resource-stickinessa unei Resurse Clonă Pentru a atinge un tipar de alocare stabil, clonele sunt uşor adezive în mod implicit. Dacă nu este furnizată nici o valoare pentru resource-stickiness, clona va folosi valoarea 1. Fiind o valoare mică, aceasta cauzează o perturbare minimală a calcului scorului celorlalte resurse dar este suficientă pentru a împiedica Pacemaker-ul de a muta inutil copiile prin cluster." #. Tag: title #, fuzzy, no-c-format msgid "Clone Resource Agent Requirements" msgstr "Cerinţele Agentului de Resursă" #. Tag: para #, no-c-format msgid "Any resource can be used as an anonymous clone, as it requires no additional support from the resource agent. Whether it makes sense to do so depends on your resource and its resource agent." msgstr "Orice resursă poate fi utilizată ca o clonă anonimă deoarece nu necesită vreun suport adiţional din partea agentului de resursă. Dacă are logică să facă acest lucru depinde de resursa voastră şi de agentul de resursă aferent." #. Tag: para #, fuzzy, no-c-format msgid "Globally unique clones do require some additional support in the resource agent. In particular, it must only respond with other probes for instances of the clone should result in they should return one of the other OCF error codes." msgstr "Clonele unice la nivel global necesită suport adiţional în agentul de resursă. În special, trebuie să răspundă doar cu ${OCF_SUCCESS} dacă nodul are exact acea instanţă activă. Tot restul de probe pentru instanţe ale clonei ar trebui să rezulte în ${OCF_NOT_RUNNING}. Cu excepţia cazului în care au eşuat, caz în care ar trebui să returneze unul din celelalte coduri de eroare OCF." #. Tag: para #, no-c-format msgid "Copies of a clone are identified by appending a colon and a numerical offset, eg. apache:2." msgstr "Copiile unei clone sunt identificate prin sufixarea a două puncte şi a unui delimitator numeric. Ex. apache:2" #. Tag: para #, fuzzy, no-c-format msgid "Resource agents can find out how many copies there are by examining the OCF_RESKEY_CRM_meta_clone_max environment variable and which copy it is by examining OCF_RESKEY_CRM_meta_clone." msgstr "Agenţii de resursă pot afla câte copii există prin examinarea variabilei de mediu OCF_RESKEY_CRM_meta_clone_max şi a cărei copii este cea curentă examinând OCF_RESKEY_CRM_meta_clone." #. Tag: para #, fuzzy, no-c-format msgid "You should not make any assumptions (based on OCF_RESKEY_CRM_meta_clone) about which copies are active. In particular, the list of active copies will not always be an unbroken sequence, nor always start at 0." msgstr "Nu ar trebui să faceţi presupuneri (pe baza OCF_RESKEY_CRM_meta_clone) în privinţa căror copii sunt active. În special, lista de copii active nu va fi întotdeauna o secvenţă continuă, nici nu va începe întotdeauna de la 0." #. Tag: title #, fuzzy, no-c-format msgid "Clone Notifications" msgstr "Notificări" #. Tag: para #, no-c-format msgid "Supporting notifications requires the notify action to be implemented. Once supported, the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "Suportarea notificărilor necesită acţiunea notify să fie implementată. Odată ce este suportată, acţiunii de notificare îi vor fi trimise un număr de variabile suplimentare care, atunci când sunt combinate cu un context adiţional, pot fi folosite pentru a calcula starea curentă a clusterului şi ceea ce urmează să i se întâmple." #. Tag: title #, no-c-format msgid "Environment variables supplied with Clone notify actions" msgstr "Variabile de mediu furnizate împreună cu acţiunile de notificare ale Clonei" #. Tag: entry #, no-c-format msgid "Variable" msgstr "Variabilă" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_type" msgstr "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, no-c-format msgid "Allowed values: pre, post Environment VariableOCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type type typeNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_operation" msgstr "$OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, no-c-format msgid "Allowed values: start, stop Environment VariableOCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation operation operationNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "plus $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource start_resource start_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_start_uname" msgstr "plus $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources will be started Environment VariableOCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname start_uname start_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_stop_uname" msgstr "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources will be stopped Environment VariableOCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname stop_uname stop_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_active_uname" msgstr "$OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname active_uname active_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_inactive_uname" msgstr "$OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname inactive_uname inactive_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname" #. Tag: para #, fuzzy, no-c-format msgid "The variables come in pairs, such as OCF_RESKEY_CRM_meta_notify_start_resource and OCF_RESKEY_CRM_meta_notify_start_uname and should be treated as an array of whitespace separated elements." msgstr "Variabilele vin în perechi, cum ar fi OCF_RESKEY_CRM_meta_notify_start_resource şi OCF_RESKEY_CRM_meta_notify_start_uname şi ar trebui tratate ca un array de elemente separate de spaţiu." #. Tag: para #, no-c-format msgid "Thus in order to indicate that clone:0 will be started on sles-1, clone:2 will be started on sles-3, and clone:3 will be started on sles-2, the cluster would set" msgstr "Drept urmare pentru a indica faptul că, clone:0 va fi pornită pe sles-1, clone:2 va fi pornită pe sles-3 şi clone:3 va fi pornită pe sles-2, clusterul va seta" #. Tag: title #, no-c-format msgid "Example notification variables" msgstr "Exemple de variabile de notificare" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "OCF_RESKEY_CRM_meta_notify_start_resource=\"clone:0 clone:2 clone:3\"\n" "OCF_RESKEY_CRM_meta_notify_start_uname=\"sles-1 sles-3 sles-2\"" msgstr "" "\n" "\t\tOCF_RESKEY_CRM_meta_notify_start_resource=\"clone:0 clone:2 clone:3\" \n" "\t\tOCF_RESKEY_CRM_meta_notify_start_uname=\"sles-1 sles-3 sles-2\"\n" "\t " #. Tag: title #, no-c-format msgid "Proper Interpretation of Notification Environment Variables" msgstr "Interpretarea Corespunzătoare a Variabilelor de Mediu de Notificare" #. Tag: title #, no-c-format msgid "Pre-notification (stop):" msgstr "Pre-notificare (oprire)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "Resurse active: $OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Inactive resources: $OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "Resurse inactive: $OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "Resurse care vor fi pornite: $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "Resurse care vor fi oprite: $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: title #, no-c-format msgid "Post-notification (stop) / Pre-notification (start):" msgstr "Post-notificare (oprire) / Pre-notificare (pornire)" #. Tag: para #, no-c-format msgid "Active resources" msgstr "Resurse active:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "minus $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, no-c-format msgid "Inactive resources" msgstr "Resurse inactive:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_inactive_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "plus $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were started: $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "Resurse care au fost pornite: $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were stopped: $OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "Resurse care au fost oprite: $OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: title #, no-c-format msgid "Post-notification (start):" msgstr "Post-notificare (pornire)" #. Tag: para #, no-c-format msgid "Active resources:" msgstr "Resurse active:" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "plus $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: para #, no-c-format msgid "Inactive resources:" msgstr "Resurse inactive:" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_start_resource" msgstr "minus $OCF_RESKEY_CRM_meta_notify_start_resource" #. Tag: title #, no-c-format msgid "Multi-state - Resources That Have Multiple Modes" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Multi-state Resources ResourcesMulti-state Multi-state " msgstr "Resurse Multi-state ResurseMulti-state Multi-state - Resurse Care Au Moduri Multiple" #. Tag: para #, no-c-format msgid "Multi-state resources are a specialization of Clone resources; please ensure you understand the section on clones before continuing! They allow the instances to be in one of two operating modes; these are called Master and Slave, but can mean whatever you wish them to mean. The only limitation is that when an instance is started, it must come up in the Slave state." msgstr "Resursele multi-state sunt o specializare a Clonelor (vă rugăm să vă asiguraţi că înţelegeţi secţiunea referitoare la clone înainte de a continua) care permite instanţelor să se afle în unul din două moduri operaţionale; aceste moduri sunt numite Master şi Slave dar pot însemna orice doriţi să însemne. Singura limitare este că atunci când o instanţă este pornită, trebuie să o facă în starea Slave." #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Properties" msgstr "Proprietăţi" #. Tag: title #, no-c-format msgid "Properties of a Multi-State Resource" msgstr "Proprietăţile unei Resurse Multi-State" #. Tag: para #, fuzzy, no-c-format msgid "Your name for the multi-state resource idMulti-State Property Multi-State Property Multi-StatePropertyid Propertyid id " msgstr "idProprietatea Resursei Multi-State Proprietățile Resursei Multi-Stateid ResursăProprietatea Multi-Stateid id" #. Tag: title #, no-c-format msgid "Multi-state Options" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from primitive resources: priority, target-role, is-managed" msgstr "Opţiunile moştenite de la resurse simple: priority, target-role, is-managed" #. Tag: para #, fuzzy, no-c-format msgid "Options inherited from clone resources: clone-max, clone-node-max, notify, globally-unique, ordered, interleave" msgstr "Opţiuni moştenite de la resursele clonate: clone-max, clone-node-max, notify, globally-unique, ordered, interleave" #. Tag: title #, no-c-format msgid "Multi-state specific resource configuration options" msgstr "Opţiuni specifice de configurare pentru resurse multi-state" #. Tag: para #, fuzzy, no-c-format msgid "master-max" msgstr "Resurse Master:" #. Tag: para #, fuzzy, no-c-format msgid "How many copies of the resource can be promoted to master status; default 1. master-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-max Optionmaster-max master-max " msgstr "idProprietatea Resursei Multi-State Proprietățile Resursei Multi-Stateid ResursăProprietatea Multi-Stateid id" #. Tag: para #, fuzzy, no-c-format msgid "master-node-max" msgstr "Resurse Master:" #. Tag: para #, fuzzy, no-c-format msgid "How many copies of the resource can be promoted to master status on a single node; default 1. master-node-maxMulti-State Option Multi-State Option Multi-StateOptionmaster-node-max Optionmaster-node-max master-node-max " msgstr "master-node-max Proprietatea Resursei Multi-State Proprietățile Resursei Multi-Statemaster-node-max ResursăProprietatea Multi-Statemaster-node-max master-node-max" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Instance Attributes" msgstr "Atributele Instanţelor" #. Tag: para #, fuzzy, no-c-format msgid "Multi-state resources have no instance attributes; however, any that are set here will be inherited by master’s children." msgstr "Resursele multi-state nu au atribute de instanţă; însă, oricare ar fi setate aici vor fi moştenite de către copiii master-ului." #. Tag: title #, no-c-format msgid "Multi-state Contents" msgstr "" #. Tag: para #, no-c-format msgid "Masters must contain exactly one group or one regular resource." msgstr "Masterii trebuie să conţină exact un grup sau o resursă obişnuită." #. Tag: para #, fuzzy, no-c-format msgid "You should never reference the name of a master’s child. If you think you need to do this, you probably need to re-evaluate your design." msgstr "Nu ar trebui să referenţiaţi niciodată numele copilului unui master. Dacă credeți că trebuie sa faceți asta, atunci probabil trebuie să re-evaluați designul vostru." #. Tag: title #, no-c-format msgid "Monitoring Multi-State Resources" msgstr "Monitorizarea Resurselor Multi-State" #. Tag: para #, no-c-format msgid "The normal type of monitor actions are not sufficient to monitor a multi-state resource in the Master state. To detect failures of the Master instance, you need to define an additional monitor action with role=\"Master\"." msgstr "Tipul normal de acţiuni de monitorizare nu sunt suficiente pentru a monitoriza o resursă multi-state în starea Master. Pentru a detecta eşecurile instanţei Master, trebuie să definiţi o acţiune de monitorizare adiţională cu role=\"Master\"." #. Tag: para #, no-c-format msgid "It is crucial that every monitor operation has a different interval!" msgstr "Este imperativ ca fiecare operaţiune de monitorizare să aibă un interval diferit!" #. Tag: para #, no-c-format msgid "This is because Pacemaker currently differentiates between operations only by resource and interval; so if eg. a master/slave resource has the same monitor interval for both roles, Pacemaker would ignore the role when checking the status - which would cause unexpected return codes, and therefore unnecessary complications." msgstr "Acest lucru este necesar deoarece Pacemaker diferențiază în mod curent între operațiuni numai după resursă și interval; deci dacă de ex. o resursă master/slave are același interval de monitorizare pentru ambele roluri, Pacemaker ar ignora rolul când ar verifica statusul - fapt care ar cauza coduri de ieșire neașteptate și respectiv complicații inutile." #. Tag: title #, no-c-format msgid "Monitoring both states of a multi-state resource" msgstr "Monitorizarea ambelor stări ale unei resurse multi-state" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<master id=\"myMasterRsc\">\n" " <primitive id=\"myRsc\" class=\"ocf\" type=\"myApp\" provider=\"myCorp\">\n" " <operations>\n" " <op id=\"public-ip-slave-check\" name=\"monitor\" interval=\"60\"/>\n" " <op id=\"public-ip-master-check\" name=\"monitor\" interval=\"61\" role=\"Master\"/>\n" " </operations>\n" " </primitive>\n" "</master>" msgstr "" " <master id=\"myMasterRsc\">\n" " <primitive id=\"myRsc\" class=\"ocf\" type=\"myApp\" provider=\"myCorp\">\n" " <operations>\n" " <op id=\"public-ip-slave-check\" name=\"monitor\" interval=\"60\"/>\n" " <op id=\"public-ip-master-check\" name=\"monitor\" interval=\"61\" role=\"Master\"/>\n" " </operations>\n" " </primitive>\n" " </master> " #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Constraints" msgstr "Restricţii" #. Tag: para #, fuzzy, no-c-format msgid "In most cases, a multi-state resources will have a single copy on each active cluster node. If this is not the case, you can indicate which nodes the cluster should preferentially assign copies to with resource location constraints. These constraints are written no differently to those for regular resources except that the master’s id is used." msgstr "În majoritatea cazurilor, o resursă multi-state va avea o singură copie pe fiecare nod activ din cluster. Dacă nu este cazul însă, puteţi indica pe care noduri ar trebui clusterul în mod preferențial să asigneze copii cu restricţii de locaţie ale resurselor. Aceste restricţii nu sunt scrise diferit faţă de cele pentru resursele obişnuite cu excepţia faptului că id-ul masterului este folosit." #. Tag: para #, no-c-format msgid "When considering multi-state resources in constraints, for most purposes it is sufficient to treat them as clones. The exception is when the rsc-role and/or with-rsc-role fields (for colocation constraints) and first-action and/or then-action fields (for ordering constraints) are used." msgstr "Când ţinem cont de resursele multi-state în restricţii, pentru majoritatea scopurilor este suficient să le tratăm ca pe clone. Excepţia survine atunci când sunt folosite câmpurile rsc-role şi/sau with-rsc-role (pentru restricţii de colocare) şi câmpurile first-action şi/sau then-action (pentru restricţii de ordonare)." #. Tag: title #, no-c-format msgid "Additional constraint options relevant to multi-state resources" msgstr "Opţiuni de restricţionare adiţionale relevante la resurse multi-state" #. Tag: para #, fuzzy, no-c-format msgid "rsc-role" msgstr "Resursele Slave:" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that rsc must be in. Allowed values: Started, Master, Slave. rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingrsc-role Orderingrsc-role rsc-role " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "with-rsc-role" msgstr "Resursele Slave:" #. Tag: para #, no-c-format msgid "An additional attribute of colocation constraints that specifies the role that with-rsc must be in. Allowed values: Started, Master, Slave. with-rsc-roleOrdering Constraints Ordering Constraints ConstraintsOrderingwith-rsc-role Orderingwith-rsc-role with-rsc-role " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "first-action" msgstr "Resursele Active:" #. Tag: para #, fuzzy, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the first resource must complete before executing the specified action for the then resource. Allowed values: start, stop, promote, demote. first-actionOrdering Constraints Ordering Constraints ConstraintsOrderingfirst-action Orderingfirst-action first-action " msgstr "Un atribut adiţional al restricţiilor de ordonare care specifică acţiunea pe care resursa first trebuie să o termine înaintea executării acţiunii specificate pentru resursa then. Valori permise: start, stop, promote, demote." #. Tag: para #, fuzzy, no-c-format msgid "then-action" msgstr "Resursele Active:" #. Tag: para #, fuzzy, no-c-format msgid "An additional attribute of ordering constraints that specifies the action that the then resource can only execute after the first-action on the first resource has completed. Allowed values: start, stop, promote, demote. Defaults to the value (specified or implied) of first-action. then-actionOrdering Constraints Ordering Constraints ConstraintsOrderingthen-action Orderingthen-action then-action " msgstr "Un atribut adiţional al restricţiilor de ordonare care specifică acţiunea pe care resursa then o poate executa doar după ce first-action asupra resursei first a terminat. Valori permise: start, stop, promote, demote. Valoarea implicită (specificată sau subînțeleasă) a first-action." #. Tag: para #, no-c-format msgid "In the example below, myApp will wait until one of the database copies has been started and promoted to master before being started itself. Only if no copies can be promoted will apache-stats be prevented from being active. Additionally, the database will wait for myApp to be stopped before it is demoted." msgstr "În exemplul de mai jos, myApp va aştepta până când una din copiile bazei de date a fost pornită şi promovată la master înainte de a fi ea însăşi pornită. Doar dacă nici o copie nu poate fi promovată va fi împiedicată apache-stats de a fi activă. În mod adiţional, baza de date va aştepta ca myApp să fie oprită înainte să fie degradată." #. Tag: title #, no-c-format msgid "Example constraints involving multi-state resources" msgstr "Exemple de restricţii implicând resurse multi-state" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"db-prefers-node1\" rsc=\"database\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"backup-with-db-slave\" rsc=\"backup\"\n" " with-rsc=\"database\" with-rsc-role=\"Slave\"/>\n" " <rsc_colocation id=\"myapp-with-db-master\" rsc=\"myApp\"\n" " with-rsc=\"database\" with-rsc-role=\"Master\"/>\n" " <rsc_order id=\"start-db-before-backup\" first=\"database\" then=\"backup\"/>\n" " <rsc_order id=\"promote-db-then-app\" first=\"database\" first-action=\"promote\"\n" " then=\"myApp\" then-action=\"start\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_location id=\"db-prefers-node1\" rsc=\"database\" node=\"node1\" score=\"500\"/>\n" " <rsc_colocation id=\"backup-with-db-slave\" rsc=\"backup\"\n" " with-rsc=\"database\" with-rsc-role=\"Slave\"/>\n" " <rsc_colocation id=\"myapp-with-db-master\" rsc=\"myApp\"\n" " with-rsc=\"database\" with-rsc-role=\"Master\"/>\n" " <rsc_order id=\"start-db-before-backup\" first=\"database\" then=\"backup\"/>\n" " <rsc_order id=\"promote-db-then-app\" first=\"database\" first-action=\"promote\"\n" " then=\"myApp\" then-action=\"start\"/>\n" " </constraints> " #. Tag: para #, no-c-format msgid "Colocation of a regular (or group) resource with a multi-state resource means that it can run on any machine with an active copy of the multi-state resource that is in the specified state (Master or Slave). In the example, the cluster will choose a location based on where database is running as a Master, and if there are multiple Master instances it will also factor in myApp's own location preferences when deciding which location to choose." msgstr "Colocarea unei resurse obişnuite (sau a unui grup) cu o resursă multi-state înseamnă că poate rula pe orice maşină cu o copie activă a resursei multi-state care se alfă în starea specificată (Master sau Slave). În exemplu, clusterul va alege o locaţie în funcţie de unde rulează baza de date în mod curent ca Master, şi dacă sunt mai multe instanţe de Master va lua în considerare şi preferinţele proprii de locaţie ale myApp când va decide care locaţie să aleagă." #. Tag: para #, no-c-format msgid "Colocation with regular clones and other multi-state resources is also possible. In such cases, the set of allowed locations for the rsc clone is (after role filtering) limited to nodes on which the with-rsc multi-state resource is (or will be) in the specified role. Allocation is then performed as-per-normal." msgstr "Colocarea alături de clone obişnuite şi alte resurse multi-state este posibilă de asemenea. În astfel de cazuri, setul de locaţii permise pentru clona rsc este (după filtrarea rolului) limitat la nodurile pe care resursa multi-state with-rsc există (sau va exista) în rolul specificat. Alocarea este atunci efectuată în mod normal." #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Stickiness" msgstr "Adezivitate" #. Tag: para #, fuzzy, no-c-format msgid " resource-stickinessMulti-State Multi-State To achieve a stable allocation pattern, multi-state resources are slightly sticky by default. If no value for resource-stickiness is provided, the multi-state resource will use a value of 1. Being a small value, it causes minimal disturbance to the score calculations of other resources but is enough to prevent Pacemaker from needlessly moving copies around the cluster." msgstr "resource-stickiness unei Resurse Multi-State Pentru a atinge un tipar de alocare stabil, resursele multi-state sunt uşor adezive în mod implicit. Dacă nu este furnizată nici o valoare pentru resource-stickiness, resursa multi-state va folosi valoarea 1. Fiind o valoare mică, aceasta cauzează o perturbare minimală a calcului scorului celorlalte resurse dar este suficientă pentru a împiedica Pacemaker-ul de a muta inutil copiile prin cluster." #. Tag: title #, no-c-format msgid "Which Resource Instance is Promoted" msgstr "Care Instanţă a Resursei este Promovată" #. Tag: para #, fuzzy, no-c-format msgid "During the start operation, most Resource Agent scripts should call the crm_master utility. This tool automatically detects both the resource and host and should be used to set a preference for being promoted. Based on this, master-max, and master-node-max, the instance(s) with the highest preference will be promoted." msgstr "În timpul operaţiunii de pornire, majoritatea scripturilor Agenţilor de Resursă ar trebui să apeleze utilitarul crm_master. Acesta detectează în mod automat atât resursa cât şi gazda şi ar trebui să fie folosit pentru a seta o preferinţă pentru a fi promovat. În funcţie de asta, de master-max şi de master-node-max, instanţa(ele) cu cea mai mare preferinţă va(vor) fi promovată(e)." #. Tag: para #, no-c-format msgid "The other alternative is to create a location constraint that indicates which nodes are most preferred as masters." msgstr "Cealaltă alternativă să se creeze o restricţie de locaţie care să indice care noduri sunt cele mai preferate ca masteri." #. Tag: title #, no-c-format msgid "Manually specifying which node should be promoted" msgstr "Specificând manual care nod ar trebui să fie promovat" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"master-location\" rsc=\"myMasterRsc\">\n" " <rule id=\"master-rule\" score=\"100\" role=\"Master\">\n" " <expression id=\"master-exp\" attribute=\"#uname\" operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"master-location\" rsc=\"myMasterRsc\">\n" " <rule id=\"master-rule\" score=\"100\" role=\"Master\">\n" " <expression id=\"master-exp\" attribute=\"#uname\" operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Resource Agent Requirements" msgstr "Cerinţele Agentului de Resursă" #. Tag: para #, fuzzy, no-c-format msgid "Since multi-state resources are an extension of cloned resources, all the requirements of Clones are also requirements of multi-state resources. Additionally, multi-state resources require two extra actions: demote and promote; these actions are responsible for changing the state of the resource. Like start and stop, they should return OCF_SUCCESS if they completed successfully or a relevant error code if they did not." msgstr "Din moment ce resursele multi-state sunt o extensie a resurselor clonate, toate cerinţele Clonelor sunt de asemenea cerinţe ale resurselor multi-state. Adiţional, resursele multi-state necesită două acţiuni suplimentare: promote şi demote; aceste acţiuni sunt responsabile pentru schimbarea stării resursei. Precum start şi stop, acestea ar trebui să returneze OCF_SUCCESS dacă au terminat cu succes sau un cod de eroare relevant în caz contrar." #. Tag: para #, no-c-format msgid "The states can mean whatever you wish, but when the resource is started, it must come up in the mode called Slave. From there the cluster will then decide which instances to promote to Master." msgstr "Stările pot însemna orice doriţi, dar atunci când resursa este pornită, trebuie să ajungă în modul numit Slave. De acolo clusterul va decide mai apoi care instanţe să promoveze într-un Master." #. Tag: para #, no-c-format msgid "In addition to the Clone requirements for monitor actions, agents must also accurately report which state they are in. The cluster relies on the agent to report its status (including role) accurately and does not indicate to the agent what role it currently believes it to be in." msgstr "În plus faţă de cerinţele Clonelor pentru acţiunile de monitorizare, agenţii trebuie să raporteze corespunzător starea în care sunt. Clusterul se bazează pe agent să-şi raporteze statusul (incluzând rolul) în mod corespunzător şi nu indică agentului în care rol crede acesta în mod curent că ar trebui să se afle." #. Tag: title #, no-c-format msgid "Role implications of OCF return codes" msgstr "Implicaţiile rolurilor codurilor returnate de OCF" #. Tag: entry #, no-c-format msgid "Monitor Return Code" msgstr "Cod de Monitorizare Returnat" #. Tag: para #, no-c-format msgid "OCF_NOT_RUNNING" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Stopped Return CodeOCF_NOT_RUNNING OCF_NOT_RUNNING " msgstr "cod de ieșireOCF_NOT_RUNNING Variabilă de MediuOCF_NOT_RUNNING OCF_NOT_RUNNING OCF_NOT_RUNNING" #. Tag: para #, no-c-format msgid "OCF_SUCCESS" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Running (Slave) Return CodeOCF_SUCCESS OCF_SUCCESS " msgstr "cod de ieșireOCF_SUCCESS Variabilă de MediuOCF_SUCCESS OCF_SUCCESS OCF_SUCCESS" #. Tag: para #, no-c-format msgid "OCF_RUNNING_MASTER" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Running (Master) Return CodeOCF_RUNNING_MASTER OCF_RUNNING_MASTER " msgstr "cod de ieșireOCF_RUNNING_MASTER Variabilă de MediuOCF_RUNNING_MASTER OCF_RUNNING_MASTER OCF_RUNNING_MASTER" #. Tag: para #, no-c-format msgid "OCF_FAILED_MASTER" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Failed (Master) Return CodeOCF_FAILED_MASTER OCF_FAILED_MASTER " msgstr "cod de ieșireOCF_FAILED_MASTER Variabilă de MediuOCF_FAILED_MASTER OCF_FAILED_MASTER OCF_FAILED_MASTER" #. Tag: para #, no-c-format msgid "Other" msgstr "Altul" #. Tag: para #, no-c-format msgid "Failed (Slave)" msgstr "Eşuat (Slave)" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state Notifications" msgstr "Notificări" #. Tag: para #, no-c-format msgid "Like clones, supporting notifications requires the notify action to be implemented. Once supported the notify action will be passed a number of extra variables which, when combined with additional context, can be used to calculate the current state of the cluster and what is about to happen to it." msgstr "Ca şi în cazul clonelor, suportarea notificărilor necesită acţiunea notify să fie implementată. Odată ce este suportată, acţiunii notify îi vor fi trimise un număr de variabile suplimentare care, când sunt combinate cu un context suplimentar, pot fi folosite pentru a calcula starea curentă a clusterului şi ceea ce urmează să i se întâmple." #. Tag: title #, fuzzy, no-c-format msgid "Environment variables supplied with Master notify actions Emphasized variables are specific to Master resources and all behave in the same manner as described for Clone resources." msgstr "Variabilele de mediu furnizate cu acţiunile de notificare MasterVariabilele îngroşate sunt specifice resurselor Master şi se comportă toate în acelaşi fel ca şi cel descris pentru resursele Clonă." #. Tag: para #, fuzzy, no-c-format msgid "Resources the that are running Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource active_resource active_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources the that are not running Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource inactive_resource inactive_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_resource" msgstr " OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, no-c-format msgid "Resources that are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_resource OCF_RESKEY_CRM_meta_notify_master_resource master_resource master_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr " OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: para #, no-c-format msgid "Resources that are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_resource OCF_RESKEY_CRM_meta_notify_slave_resource slave_resource slave_resourceNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource stop_resource stop_resourceNotification Environment Variable Notification Environment Variable OCF_RESKEY_CRM_meta_notify_stop_resource" msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource" #. Tag: para #, no-c-format msgid "Resources to be stopped" msgstr "Resursele care vor fi oprite" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr " OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be promoted Environment VariableOCF_RESKEY_CRM_meta_notify_promote_resource OCF_RESKEY_CRM_meta_notify_promote_resource promote_resource promote_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr " OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_resource OCF_RESKEY_CRM_meta_notify_demote_resource demote_resource demote_resourceNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_promote_uname" msgstr " OCF_RESKEY_CRM_meta_notify_promote_uname" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources will be promote Environment VariableOCF_RESKEY_CRM_meta_notify_promote_uname OCF_RESKEY_CRM_meta_notify_promote_uname promote_uname promote_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_demote_uname" msgstr " OCF_RESKEY_CRM_meta_notify_demote_uname" #. Tag: para #, fuzzy, no-c-format msgid "Nodes on which resources will be demoted Environment VariableOCF_RESKEY_CRM_meta_notify_demote_uname OCF_RESKEY_CRM_meta_notify_demote_uname demote_uname demote_unameNotification Environment Variable Notification Environment Variable " msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_master_uname" msgstr " OCF_RESKEY_CRM_meta_notify_master_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Master mode Environment VariableOCF_RESKEY_CRM_meta_notify_master_uname OCF_RESKEY_CRM_meta_notify_master_uname master_uname master_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "OCF_RESKEY_CRM_meta_notify_slave_uname" msgstr " OCF_RESKEY_CRM_meta_notify_slave_uname" #. Tag: para #, no-c-format msgid "Nodes on which resources are running in Slave mode Environment VariableOCF_RESKEY_CRM_meta_notify_slave_uname OCF_RESKEY_CRM_meta_notify_slave_uname slave_uname slave_unameNotification Environment Variable Notification Environment Variable " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Multi-state - Proper Interpretation of Notification Environment Variables" msgstr "Interpretarea Corespunzătoare a Variabilelor de Mediu de Notificare" #. Tag: title #, no-c-format msgid "Pre-notification (demote):" msgstr "Pre-notificare (degradează)" #. Tag: para #, fuzzy, no-c-format msgid "Active resources: $OCF_RESKEY_CRM_meta_notify_active_resource" msgstr "Resursele Active: $OCF_RESKEY_CRM_meta_notify_active_resource" #. Tag: para #, fuzzy, no-c-format msgid "Master resources: $OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "Resursele Master: $OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, fuzzy, no-c-format msgid "Slave resources: $OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "Resursele Slave: $OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "Resursele care vor fi promovate: $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources to be demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "Resursele care vor fi degradate: $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: title #, no-c-format msgid "Post-notification (demote) / Pre-notification (stop):" msgstr "Post-notificare (degradează) / Pre-notificare (oprire)" #. Tag: para #, no-c-format msgid "Master resources:" msgstr "Resurse Master:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_master_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_master_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "minus $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were demoted: $OCF_RESKEY_CRM_meta_notify_demote_resource" msgstr "Resurse care au fost degradate: $OCF_RESKEY_CRM_meta_notify_demote_resource" #. Tag: title #, no-c-format msgid "Post-notification (stop) / Pre-notification (start)" msgstr "Post-notificare (oprire) / Pre-notificare (pornire)" #. Tag: para #, no-c-format msgid "Active resources:" msgstr "Resursele Active:" #. Tag: para #, no-c-format msgid "Slave resources:" msgstr "Resursele Slave:" #. Tag: para #, fuzzy, no-c-format msgid "$OCF_RESKEY_CRM_meta_notify_slave_resource" msgstr "$OCF_RESKEY_CRM_meta_notify_slave_resource" #. Tag: title #, no-c-format msgid "Post-notification (start) / Pre-notification (promote)" msgstr "Post-notificare (pornire) / Pre-notificare (promovează)" #. Tag: title #, no-c-format msgid "Post-notification (promote)" msgstr "Post-notificare (promovează)" #. Tag: para #, fuzzy, no-c-format msgid "plus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "plus $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "minus $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "minus $OCF_RESKEY_CRM_meta_notify_promote_resource" #. Tag: para #, fuzzy, no-c-format msgid "Resources that were promoted: $OCF_RESKEY_CRM_meta_notify_promote_resource" msgstr "Resursele care au fost promovate: $OCF_RESKEY_CRM_meta_notify_promote_resource" #~ msgid "Your name for the group" #~ msgstr "Numele pe care îl daţi grupului" #~ msgid "Your name for the clone" #~ msgstr "Numele dat clonei" #~ msgid "Options inherited from simple resources: priority, target-role, is-managed" #~ msgstr "Opţiunile moştenite de la resurse simple: priority, target-role, is-managed" #~ msgid "clone-max Clone Resource Property Clone Resource Propertiesclone-max ResourceClone Propertyclone-max clone-max" #~ msgstr "clone-max Proprietatea unei Resurse Clonă Proprietățile Resursei Clonăclone-max ResursăProprietatea Cloneiclone-max clone-max" #~ msgid "How many copies of the resource to start. Defaults to the number of nodes in the cluster." #~ msgstr "Câte copii ale resursei să pornească. Valoarea implicită este egală cu numărul de noduri din cluster." #~ msgid "How many copies of the resource can be started on a single node; default 1." #~ msgstr "Câte copii ale resursei pot fi pornite pe un singur nod; valoarea implicită este 1." #~ msgid "notify Clone Resource Property Clone Resource Propertiesnotify ResourceClone Propertynotify notify" #~ msgstr "notify Proprietatea unei Resurse Clonă Proprietățile Resursei Clonănotify ResursăProprietatea Cloneinotify" #~ msgid "When stopping or starting a copy of the clone, tell all the other copies beforehand and when the action was successful. Allowed values: false, true" #~ msgstr "Când este oprită sau pornită o copie a clonei, comunică tuturor celorlalte copii înainte şi după ce acţiunea a reuşit. Valori permise: false, true" #~ msgid "globally-unique Clone Resource Property Clone Resource Propertiesglobally-unique ResourceClone Propertyglobally-unique globally-unique" #~ msgstr "globally-unique Proprietatea unei Resurse Clonă Proprietățile unei Resurse Clonăglobally-unique ResursăProprietatea Cloneiglobally-unique globally-unique" #~ msgid "Does each copy of the clone perform a different function? Allowed values: false, true" #~ msgstr "Efectuează fiecare copie a unei clone o funcţie diferită? Valori permise: false, true" #~ msgid "ordered Clone Resource Property Clone Resource Propertiesordered ResourceClone Propertyordered ordered" #~ msgstr "ordered Proprietatea Resursei Clonă Proprietățile Resursei Clonăordered ResursăProprietatea Cloneiordered ordered" #~ msgid "Should the copies be started in series (instead of in parallel). Allowed values: false, true" #~ msgstr "Ar trebui copiile să fie pornite secvenţial (în loc de în paralel). Valori permise: false, true" #~ msgid "interleave Clone Resource Property Clone Resource Propertiesinterleave ResourceClone Propertyinterleave interleave" #~ msgstr "interleave Proprietatea Resursei Clonă Proprietățile Resursei Clonăinterleave ResursăProprietatea Cloneiinterleave" #~ msgid "Changes the behavior of ordering constraints (between clones/masters) so that instances can start/stop as soon as their peer instance has (rather than waiting for every instance of the other clone has). Allowed values: false, true" #~ msgstr "Schimbă comportamentul de ordonare al restricţiilor (între clone/masters) astfel încât instanţele să se poată porni/opri de îndată ce şi instanţa vecină a făcut-o (decât să aştepte pentru fiecare instanţă pe care o are clona cealaltă). Valori permise: false, true" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type" #~ msgid "Allowed values: pre, post" #~ msgstr "Valori permise: pre, post" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation OCF_RESKEY_CRM_meta_notify_operation" #~ msgid "Allowed values: start, stop" #~ msgstr "Valori permise: start, stop" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource OCF_RESKEY_CRM_meta_notify_start_resource" #~ msgid "Resources to be started" #~ msgstr "Resursele care vor fi pornite" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource OCF_RESKEY_CRM_meta_notify_stop_resource" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource OCF_RESKEY_CRM_meta_notify_active_resource" #~ msgid "Resources that are running" #~ msgstr "Resursele care rulează" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource OCF_RESKEY_CRM_meta_notify_inactive_resource" #~ msgid "Resources that are not running" #~ msgstr "Resursele care nu rulează" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname OCF_RESKEY_CRM_meta_notify_start_uname" #~ msgid "Nodes on which resources will be started" #~ msgstr "Nodurile pe care resursele vor fi pornite" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname OCF_RESKEY_CRM_meta_notify_stop_uname" #~ msgid "Nodes on which resources will be stopped" #~ msgstr "Nodurile pe care resursele vor fi oprite" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname OCF_RESKEY_CRM_meta_notify_active_uname" #~ msgid "Nodes on which resources are running" #~ msgstr "Nodurile pe care rulează resursele" #~ msgid "Environment VariableOCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname OCF_RESKEY_CRM_meta_notify_inactive_uname" #~ msgid "Nodes on which resources are not running" #~ msgstr "Nodurile pe care nu rulează resursele" #~ msgid "Your name for the multi-state resource" #~ msgstr "Numele asignat pentru resursa multi-state" #~ msgid "master-max Multi-State Resource Property Multi-State Resource Propertiesmaster-max ResourceMulti-State Propertymaster-max master-max" #~ msgstr "master-max Proprietatea Resursei Multi-State Proprietățile Resursei Multi-Statemaster-max ResursăProprietatea Multi-Statemaster-max master-max" #~ msgid "How many copies of the resource can be promoted to master status; default 1." #~ msgstr "Câte copii ale resursei pot fi promovate la statutul de master; valoarea implicită este 1." #~ msgid "How many copies of the resource can be promoted to master status on a single node; default 1." #~ msgstr "Câte copii ale resursei pot fi promovate la statutul de master pe un singur nod; valoarea implicită este 1." #~ msgid "rsc-role Multi-State Resource Constraints Multi-State Resource Constraintsrsc-role ResourceMulti-State Constraintsrsc-role rsc-role" #~ msgstr "rsc-role Restricții Resursă Multi-State Restricții Resursă Multi-Statersc-role ResursăRestricții Multi-Statersc-role rsc-role" #~ msgid "An additional attribute of colocation constraints that specifies the role that rsc must be in. Allowed values: Started, Master, Slave." #~ msgstr "Un atribut adiţional al restricţiilor de colocare care specifică rolul în care trebuie să se alfe rsc. Valori permise: Started, Master, Slave." #~ msgid "with-rsc-role Multi-State Resource Constraints Multi-State Resource Constraintswith-rsc-role ResourceMulti-State Constraintswith-rsc-role with-rsc-role" #~ msgstr "with-rsc-role Restricții Resursă Multi-State Restricții Resursă Multi-Statewith-rsc-role ResursăRestricții Multi-Statewith-rsc-role with-rsc-role" #~ msgid "An additional attribute of colocation constraints that specifies the role that with-rsc must be in. Allowed values: Started, Master, Slave." #~ msgstr "Un atribut adiţional al restricţiilor de colocare care specifică rolul în care trebuie să se alfe with-rsc. Valori permise: Started, Master, Slave." #~ msgid "first-action Multi-State Resource Constraints Multi-State Resource Constraintsfirst-action ResourceMulti-State Constraintsfirst-action first-action" #~ msgstr "first-action Restricții Resursă Multi-State Restricții Resursă Multi-Statefirst-action ResursăRestricții Multi-Statefirst-action first-action" #~ msgid "then-action Multi-State Resource Constraints Multi-State Resource Constraintsthen-action ResourceMulti-State Constraintsthen-action then-action" #~ msgstr "then-action Restricții Resursă Multi-State Restricții Resursă Multi-Statethen-action ResursăRestricții Multi-Statethen-action then-action" #~ msgid "Stopped" #~ msgstr "Oprit" #~ msgid "Running (Slave)" #~ msgstr "Rulând (Slave)" #~ msgid "Running (Master)" #~ msgstr "Rulează (Master)" #~ msgid "Failed (Master)" #~ msgstr "Eşuat (Master)" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_type OCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_type OCF_RESKEY_CRM_meta_notify_type OCF_RESKEY_CRM_meta_notify_type" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_operation OCF_RESKEY_CRM_meta_notify_operationOCF_RESKEY_CRM_meta_notify_operation" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_operation OCF_RESKEY_CRM_meta_notify_operationOCF_RESKEY_CRM_meta_notify_operation" #~ msgid "Resources the that are running" #~ msgstr "Resursele care rulează" #~ msgid "Resources the that are not running" #~ msgstr "Resursele care nu rulează" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_master_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_master_resource" #~ msgid "OCF_RESKEY_CRM_meta_notify_master_resource" #~ msgstr "OCF_RESKEY_CRM_meta_notify_master_resource" #~ msgid "Resources that are running in Master mode" #~ msgstr "Resursele care funcţionează în mod Master" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_slave_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_slave_resource" #~ msgid "OCF_RESKEY_CRM_meta_notify_slave_resource" #~ msgstr "OCF_RESKEY_CRM_meta_notify_slave_resource" #~ msgid "Resources that are running in Slave mode" #~ msgstr "Resursele care funcţionează în mod Slave" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_promote_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_promote_resource" #~ msgid "OCF_RESKEY_CRM_meta_notify_promote_resource" #~ msgstr "OCF_RESKEY_CRM_meta_notify_promote_resource" #~ msgid "Resources to be promoted" #~ msgstr "Resursele care vor fi promovate" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_demote_resource" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_demote_resource" #~ msgid "OCF_RESKEY_CRM_meta_notify_demote_resource" #~ msgstr "OCF_RESKEY_CRM_meta_notify_demote_resource" #~ msgid "Resources to be demoted" #~ msgstr "Resursele care vor fi degradate" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_promote_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_promote_uname" #~ msgid "OCF_RESKEY_CRM_meta_notify_promote_uname" #~ msgstr "OCF_RESKEY_CRM_meta_notify_promote_uname" #~ msgid "Nodes on which resources will be promoted" #~ msgstr "Nodurile pe care resursele vor fi promovate" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_demote_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_demote_uname" #~ msgid "OCF_RESKEY_CRM_meta_notify_demote_uname" #~ msgstr "OCF_RESKEY_CRM_meta_notify_demote_uname" #~ msgid "Nodes on which resources will be demoted" #~ msgstr "Nodurile pe care resursele vor fi degradate" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_master_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_master_uname" #~ msgid "OCF_RESKEY_CRM_meta_notify_master_uname" #~ msgstr "OCF_RESKEY_CRM_meta_notify_master_uname" #~ msgid "Nodes on which resources are running in Master mode" #~ msgstr "Nodurile pe care resursele rulează în modul Master" #~ msgid "Environment VariableOCF_RESKEY_CRM__meta_notify_slave_uname" #~ msgstr "Variabilă de MediuOCF_RESKEY_CRM__meta_notify_slave_uname" #~ msgid "OCF_RESKEY_CRM_meta_notify_slave_uname" #~ msgstr "OCF_RESKEY_CRM_meta_notify_slave_uname" #~ msgid "Nodes on which resources are running in Slave mode" #~ msgstr "Nodurile pe care resursele rulează în modul Slave" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Basics.po000066400000000000000000001072771217637305600240070ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Configuration Basics" msgstr "Bazele Configurării" #. Tag: title #, no-c-format msgid "Configuration Layout" msgstr "Aşezarea Configuraţiei" #. Tag: para #, no-c-format msgid "The cluster is written using XML notation and divided into two main sections: configuration and status." msgstr "Clusterul este scris folosind notaţie XML şi este împărţit în două secţiuni principale: configurare şi status." #. Tag: para #, no-c-format msgid "The status section contains the history of each resource on each node and based on this data, the cluster can construct the complete current state of the cluster. The authoritative source for the status section is the local resource manager (lrmd) process on each cluster node and the cluster will occasionally repopulate the entire section. For this reason it is never written to disk and administrators are advised against modifying it in any way." msgstr "Secţiunea de status conţine istoricul fiecărei resurse de pe fiecare nod şi pe baza acestor date, clusterul poate construi starea curentă completă a clusterului. Sursa autoritativă pentru secţiunea de status este procesul managerului de resurse local (lrmd) pe fiecare nod din cluster iar clusterul va repopula în mod ocazional întreaga secţiune. Din acest motiv nu este scris niciodată pe disc iar administratorii sunt sfătuiţi împotriva modificării în orice fel a acestuia." #. Tag: para #, no-c-format msgid "The configuration section contains the more traditional information like cluster options, lists of resources and indications of where they should be placed. The configuration section is the primary focus of this document." msgstr "Secţiunea de configurare conţine informaţiile mai tradiţionale precum opţiuni ale clusterului, liste de resurse şi indicaţii despre unde ar trebui acestea plasate. Secţiunea de configurare este scopul primar al acestui document." #. Tag: para #, no-c-format msgid "The configuration section itself is divided into four parts:" msgstr "Secţiunea de configurare în sine este împărţită în patru părţi:" #. Tag: para #, no-c-format msgid "Configuration options (called crm_config)" msgstr "Opţiuni de configurare (numite crm_config)" #. Tag: para #, no-c-format msgid "Nodes" msgstr "Noduri" #. Tag: para #, no-c-format msgid "Resources" msgstr "Resurse" #. Tag: para #, no-c-format msgid "Resource relationships (called constraints)" msgstr "Relaţii între resurse (numite restricţii)" #. Tag: title #, no-c-format msgid "An empty configuration" msgstr "O configuraţie goală" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>" msgstr "" "\n" " <cib admin_epoch=\"0\" epoch=\"0\" num_updates=\"0\" have-quorum=\"false\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" " " #. Tag: title #, no-c-format msgid "The Current State of the Cluster" msgstr "Starea Curentă a Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "Before one starts to configure a cluster, it is worth explaining how to view the finished product. For this purpose we have created the crm_mon utility that will display the current state of an active cluster. It can show the cluster status by node or by resource and can be used in either single-shot or dynamically-updating mode. There are also modes for displaying a list of the operations performed (grouped by node and resource) as well as information about failures." msgstr "Înainte de a începe să configurăm clusterul, merită explicat cum să vizualizăm produsul finit. Pentru acest scop am creat utilitarul crm_mon care va arăta starea curentă a unui cluster activ. Poate arăta statusul clusterului după nod sau după resurse şi poate fi folosit fie în mod single-shot (o singură listare) sau dynamically-updating (updatându-se dinamic). Sunt de asemenea moduri pentru prezentarea unei liste de operaţiuni efectuate (grupată după nod si resursă) precum şi informaţii despre eşecuri." #. Tag: para #, no-c-format msgid "Using this tool, you can examine the state of the cluster for irregularities and see how it responds when you cause or simulate failures." msgstr "Folosind acest utilitar, puteţi examina starea clusterului pentru neconcordanţe şi pentru a vedea cum răspunde atunci când provocaţi sau simulaţi eşecuri." #. Tag: para #, fuzzy, no-c-format msgid "Details on all the available options can be obtained using the crm_mon --help command." msgstr "Detalii despre toate opţiunile disponibile pot fi obţinute folosind comanda crm_mon --help." #. Tag: title #, no-c-format msgid "Sample output from crm_mon" msgstr "Exemplu de rezultat obţinut din crm_mon" #. Tag: screen #, fuzzy, no-c-format msgid "" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3" msgstr "" "# crm_mon\n" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3" #. Tag: title #, no-c-format msgid "Sample output from crm_mon -n" msgstr "Exemplu de rezultat obţinut din crm_mon -n" #. Tag: screen #, fuzzy, no-c-format msgid "" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" "\n" " Resource Group: group-1\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " Clone Set: DoFencing\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3\n" " child_DoFencing:1 (stonith:external/vmware): Stopped\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1" msgstr "" "\n" "# crm_mon -n\n" " ============\n" " Last updated: Fri Nov 23 15:26:13 2007\n" " Current DC: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec)\n" " 3 Nodes configured.\n" " 5 Resources configured.\n" " ============\n" "\n" " Node: sles-1 (1186dc9a-324d-425a-966e-d757e693dc86): online\n" " Node: sles-2 (02fb99a8-e30e-482f-b3ad-0fb3ce27d088): standby\n" " Node: sles-3 (2298606a-6a8c-499a-9d25-76242f7006ec): online\n" "\n" " Resource Group: group-1\n" " 192.168.100.181 (heartbeat::ocf:IPaddr): Started sles-1\n" " 192.168.100.182 (heartbeat:IPaddr): Started sles-1\n" " 192.168.100.183 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-1 (heartbeat::ocf:IPaddr): Started sles-1\n" " rsc_sles-2 (heartbeat::ocf:IPaddr): Started sles-3\n" " rsc_sles-3 (heartbeat::ocf:IPaddr): Started sles-3\n" " Clone Set: DoFencing\n" " child_DoFencing:0 (stonith:external/vmware): Started sles-3\n" " child_DoFencing:1 (stonith:external/vmware): Stopped\n" " child_DoFencing:2 (stonith:external/vmware): Started sles-1" #. Tag: para #, no-c-format msgid "The DC (Designated Controller) node is where all the decisions are made and if the current DC fails a new one is elected from the remaining cluster nodes. The choice of DC is of no significance to an administrator beyond the fact that its logs will generally be more interesting." msgstr "Nodul DC (Designated Controller - Controller Desemnat) este locul unde toate deciziile sunt luate şi dacă DC-ul curent eşuează unul nou este ales din nodurile rămase în cluster. Alegerea unui DC nu are nici o semnificaţie pentru administrator dincolo de faptul că logurile acestuia vor fi în general mai interesante." #. Tag: title #, no-c-format msgid "How Should the Configuration be Updated?" msgstr "Cum Ar Trebui să fie Actualizată Configuraţia" #. Tag: para #, no-c-format msgid "There are three basic rules for updating the cluster configuration:" msgstr "Sunt trei reguli de bază pentru actualizarea configuraţiei clusterului:" #. Tag: para #, fuzzy, no-c-format msgid "Rule 1 - Never edit the cib.xml file manually. Ever. I’m not making this up." msgstr "Regula 1 - Nu editaţi niciodată fişierul cib.xml manual. Niciodată. Nu inventez acest lucru." #. Tag: para #, no-c-format msgid "Rule 2 - Read Rule 1 again." msgstr "Regula 2 - Citiţi Regula 1 din nou." #. Tag: para #, no-c-format msgid "Rule 3 - The cluster will notice if you ignored rules 1 & 2 and refuse to use the configuration." msgstr "Regula 3 - Clusterul va detecta că aţi ignorat regulile 1 & 2 şi va refuza să folosească configuraţia." #. Tag: para #, no-c-format msgid "Now that it is clear how NOT to update the configuration, we can begin to explain how you should." msgstr "Acum că este clar cum să NU actualizăm configuraţia, putem începe să explicăm cum ar trebui să realizăm acest lucru." #. Tag: para #, no-c-format msgid "The most powerful tool for modifying the configuration is the cibadmin command which talks to a running cluster. With cibadmin, the user can query, add, remove, update or replace any part of the configuration; all changes take effect immediately, so there is no need to perform a reload-like operation." msgstr "Cea mai puternică unealtă pentru modificarea configuraţiei este comanda cibadmin care comunică cu un cluster funcţional. Cu cibadmin, utilizatorul poate interoga, adăuga, înlătura, actualiza sau înlocui orice parte a configuraţiei; toate modificările iau efect imediat aşa că nu este necesar să executaţi operaţiuni de tip reîncărcare." #. Tag: para #, no-c-format msgid "The simplest way of using cibadmin is to use it to save the current configuration to a temporary file, edit that file with your favorite text or XML editor and then upload the revised configuration." msgstr "Cel mai simplu mod de a folosi cibadmin este de a-l folosi pentru a salva configuraţia curentă într-un fişier temporar, să editaţi acel fişier cu editorul de text sau XML favorit şi apoi să încărcaţi configuraţia revizuită." #. Tag: title #, no-c-format msgid "Safely using an editor to modify the cluster configuration" msgstr "Folosind cu siguranţă un editor pentru a modifica configuraţia clusterului" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --query > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --xml-file tmp.xml" msgstr "" "cibadmin --query > tmp.xml\n" " vi tmp.xml\n" " cibadmin --replace --xml-file tmp.xml\n" " " #. Tag: para #, fuzzy, no-c-format msgid "Some of the better XML editors can make use of a Relax NG schema to help make sure any changes you make are valid. The schema describing the configuration can normally be found in /usr/lib/heartbeat/pacemaker.rng on most systems." msgstr "Unele dintre editoarele mai bune de XML pot folosi schema Relax NG pentru a vă ajuta să fiţi siguri că modificările pe care le realizaţi sunt valide. Schema care descrie configuraţia poate fi găsită în mod normal în /usr/lib/heartbeat/pacemaker.rng pe majoritatea sistemelor." #. Tag: para #, no-c-format msgid "If you only wanted to modify the resources section, you could instead do" msgstr "Dacă aţi dorit să modificaţi doar secţiunea de resurse, aţi putea alternativ să executaţi" #. Tag: title #, no-c-format msgid "Safely using an editor to modify a subsection of the cluster configuration" msgstr "Folosind cu siguranţă un editor pentru a modifica o subsecţiune din configuraţia clusterlui" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --query --obj_type resources > tmp.xml\n" "# vi tmp.xml\n" "# cibadmin --replace --obj_type resources --xml-file tmp.xml" msgstr "" "cibadmin --query --obj_type resources > tmp.xml\n" " vi tmp.xml\n" " cibadmin --replace --obj_type resources --xml-file tmp.xml\n" " " #. Tag: para #, no-c-format msgid "to avoid modifying any other part of the configuration." msgstr "pentru a evita modificările survenite la orice altă parte a configuraţiei." #. Tag: title #, no-c-format msgid "Quickly Deleting Part of the Configuration" msgstr "Ştergerea Rapidă a unei Părţi din Configuraţie" #. Tag: para #, fuzzy, no-c-format msgid "Identify the object you wish to delete. Eg. run" msgstr "Identificaţi obiectul pe care doriţi să îl ştergeţi. ex." #. Tag: title #, no-c-format msgid "Searching for STONITH related configuration items" msgstr "Căutând pentru elemente de configurare legate de STONITH" #. Tag: programlisting #, no-c-format msgid "# cibadmin -Q | grep stonith" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <nvpair id=\"cib-bootstrap-options-stonith-action\" name=\"stonith-action\" value=\"reboot\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"1\"/>\n" " <primitive id=\"child_DoFencing\" class=\"stonith\" type=\"external/vmware\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:1\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:2\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:3\" type=\"external/vmware\" class=\"stonith\">" msgstr "" "# cibadmin -Q | grep stonith\n" "\n" " <nvpair id=\"cib-bootstrap-options-stonith-action\" name=\"stonith-action\" value=\"reboot\"/>\n" " <nvpair id=\"cib-bootstrap-options-stonith-enabled\" name=\"stonith-enabled\" value=\"1\"/>\n" " <primitive id=\"child_DoFencing\" class=\"stonith\" type=\"external/vmware\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:1\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:2\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:0\" type=\"external/vmware\" class=\"stonith\">\n" " <lrm_resource id=\"child_DoFencing:3\" type=\"external/vmware\" class=\"stonith\">\n" #. Tag: para #, fuzzy, no-c-format msgid "Next identify the resource’s tag name and id (in this case we’ll choose primitive and child_DoFencing). Then simply execute:" msgstr "Apoi identificaţi numele tag-ului resursei şi id-ul (în acest caz vom alege primitive şi child_DoFencing). Apoi executaţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --delete --crm_xml '<primitive id=\"child_DoFencing\"/>'" msgstr "cibadmin --delete --crm_xml '<primitive id=\"child_DoFencing\"/>'" #. Tag: title #, no-c-format msgid "Updating the Configuration Without Using XML" msgstr "Updatând Configuraţia Fără să Folosim XML" #. Tag: para #, no-c-format msgid "Some common tasks can also be performed with one of the higher level tools that avoid the need to read or edit XML." msgstr "Câteva task-uri comune pot fi efectuate de asemenea cu unul dintre utilitarele de nivel înalt pentru a evita nevoia de a citi sau edita XML." #. Tag: para #, no-c-format msgid "To enable stonith for example, one could run:" msgstr "Pentru a activa stonith de exemplu, aţi putea rula:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name stonith-enabled --attr-value true" msgstr "crm_attribute --attr-name stonith-enabled --attr-value true" #. Tag: para #, no-c-format msgid "Or, to see if somenode is allowed to run resources, there is:" msgstr "Sau pentru a vedea dacă somenode îi este permis să ruleze resurse, există:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_standby --get-value --node-uname somenode" msgstr "crm_standby --get-value --node-uname somenode" #. Tag: para #, no-c-format msgid "Or, to find the current location of my-test-rsc, one can use:" msgstr "Sau pentru a afla locaţia curentă a my-test-rsc, aţi putea folosi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --locate --resource my-test-rsc" msgstr "crm_resource --locate --resource my-test-rsc" #. Tag: title #, no-c-format msgid "Making Configuration Changes in a Sandbox" msgstr "Realizând Modificări de Configurare într-un Sandbox" #. Tag: para #, fuzzy, no-c-format msgid "Often it is desirable to preview the effects of a series of changes before updating the configuration atomically. For this purpose we have created crm_shadow which creates a \"shadow\" copy of the configuration and arranges for all the command line tools to use it." msgstr "Deseori este de dorit să previzualizaţi efectele unei serii de modificări înainte să actualizaţi configuraţia în mod atomic. Pentru acest scop am creat crm_shadow care creează o copie \"ascunsă\" a configuraţiei şi aranjează astfel încât toate utilitarele din linia de comandă să o folosească." #. Tag: para #, fuzzy, no-c-format msgid "To begin, simply invoke crm_shadow and give it the name of a configuration to create Shadow copies are identified with a name, making it possible to have more than one. ; be sure to follow the simple on-screen instructions." msgstr "Pentru a începe, invocaţi pur şi simplu crm_shadow şi daţi-i numele unei configuraţii pe care să o creeze Copiile ascunse sunt identificate cu un nume, fiind posibil să avem mai mult de una. ; asiguraţi-vă că urmaţi simplele instrucţiuni de pe ecran." #. Tag: para #, fuzzy, no-c-format msgid "Read the above carefully, failure to do so could result in you destroying the cluster’s active configuration!" msgstr "Citiţi cele de mai sus cu atenţie, nerespectarea acestora poate rezulta în distrugerea de către voi a configuraţiei active a clusterului!" #. Tag: title #, no-c-format msgid "Creating and displaying the active sandbox" msgstr "Crearea şi prezentarea sandbox-ului activ" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " # crm_shadow --create test\n" " Setting up shadow instance\n" " Type Ctrl-D to exit the crm_shadow shell\n" " shadow[test]:\n" " shadow[test] # crm_shadow --which\n" " test" msgstr "" " # crm_shadow --create test\n" " Setting up shadow instance\n" " Type Ctrl-D to exit the crm_shadow shell\n" " shadow[test]: \n" " shadow[test] # crm_shadow --which\n" " test" #. Tag: para #, fuzzy, no-c-format msgid "From this point on, all cluster commands will automatically use the shadow copy instead of talking to the cluster’s active configuration. Once you have finished experimenting, you can either commit the changes, or discard them as shown below. Again, be sure to follow the on-screen instructions carefully." msgstr "Din acest punct înainte, toate comenzile clusterului vor folosi în mod automat copia ascunsă în loc să comunice cu copia activă a configuraţiei clusterului. Odată ce aţi terminat de experimentat, puteţi fie să aplicaţi modificările sau să le înlăturaţi după cum este prezentat mai jos. Din nou, asiguraţi-vă că urmaţi instrucţiunile de pe ecran cu grijă." #. Tag: para #, fuzzy, no-c-format msgid "For a full list of crm_shadow options and commands, invoke it with the <parameter>--help</parameter> option." msgstr "Pentru o listă completă de opţiuni şi comenzi ale crm_shadow, apelaţi-l cu opţiunea --help." #. Tag: title #, no-c-format msgid "Using a sandbox to make multiple changes atomically" msgstr "Folosirea unui sandbox pentru a realiza mai multe modificări în mod atomic" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " shadow[test] # crm_failcount -G -r rsc_c001n01\n" " name=fail-count-rsc_c001n01 value=0\n" " shadow[test] # crm_standby -v on -n c001n02\n" " shadow[test] # crm_standby -G -n c001n02\n" " name=c001n02 scope=nodes value=on\n" " shadow[test] # cibadmin --erase --force\n" " shadow[test] # cibadmin --query\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"112\"\n" " dc-uuid=\"c001n01\" num_updates=\"1\" cib-last-written=\"Fri Jun 27 12:17:10 2008\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" " shadow[test] # crm_shadow --delete test --force\n" " Now type Ctrl-D to exit the crm_shadow shell\n" " shadow[test] # exit\n" " # crm_shadow --which\n" " No shadow instance provided\n" " # cibadmin -Q\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"110\"\n" " dc-uuid=\"c001n01\" num_updates=\"551\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-1\" name=\"stonith-enabled\" value=\"1\"/>\n" " <nvpair id=\"cib-bootstrap-2\" name=\"pe-input-series-max\" value=\"30000\"/>" msgstr "" "shadow[test] # crm_failcount -G -r rsc_c001n01\n" " name=fail-count-rsc_c001n01 value=0\n" " shadow[test] # crm_standby -v on -n c001n02\n" " shadow[test] # crm_standby -G -n c001n02\n" " name=c001n02 scope=nodes value=on\n" " shadow[test] # cibadmin --erase --force\n" " shadow[test] # cibadmin --query\n" "\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"112\"\n" " dc-uuid=\"c001n01\" num_updates=\"1\" cib-last-written=\"Fri Jun 27 12:17:10 2008\">\n" " <configuration>\n" " <crm_config/>\n" " <nodes/>\n" " <resources/>\n" " <constraints/>\n" " </configuration>\n" " <status/>\n" " </cib>\n" "\n" " shadow[test] # crm_shadow --delete test --force\n" " Now type Ctrl-D to exit the crm_shadow shell\n" " shadow[test] # exit\n" " # crm_shadow --which\n" " No shadow instance provided\n" " # cibadmin -Q\n" "\n" " <cib cib_feature_revision=\"1\" validate-with=\"pacemaker-1.0\" admin_epoch=\"0\" crm_feature_set=\"3.0\" have-quorum=\"1\" epoch=\"110\"\n" " dc-uuid=\"c001n01\" num_updates=\"551\">\n" " <configuration>\n" " <crm_config>\n" " <cluster_property_set id=\"cib-bootstrap-options\">\n" " <nvpair id=\"cib-bootstrap-1\" name=\"stonith-enabled\" value=\"1\"/>\n" " <nvpair id=\"cib-bootstrap-2\" name=\"pe-input-series-max\" value=\"30000\"/>\n" "\n" "\t" #. Tag: para #, no-c-format msgid "Making changes in a sandbox and verifying the real configuration is untouched" msgstr "Realizarea de modificări într-un sandbox şi apoi verificarea că, configuraţia reală nu este atinsă." #. Tag: title #, no-c-format msgid "Testing Your Configuration Changes" msgstr "Testarea Modificărilor Voastre de Configurare" #. Tag: para #, fuzzy, no-c-format msgid "We saw previously how to make a series of changes to a \"shadow\" copy of the configuration. Before loading the changes back into the cluster (eg. crm_shadow --commit mytest --force), it is often advisable to simulate the effect of the changes with crm_simulate, eg." msgstr "Am văzut anterior cum să realizăm o serie de modificări într-o copie \"ascunsă\" a configuraţiei. Înainte de a încărca modificările înapoi în cluster (ex. crm_shadow --commit mytest --force), este adeseori recomandat să simulaţi efectul modificărilor cu ptest, ex." #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_simulate --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot" msgstr "ptest --live-check -VVVVV --save-graph tmp.graph --save-dotfile tmp.dot" #. Tag: para #, fuzzy, no-c-format msgid "The tool uses the same library as the live cluster to show what it would have done given the supplied input. It’s output, in addition to a significant amount of logging, is stored in two files tmp.graph and tmp.dot, both are representations of the same thing — the cluster’s response to your changes." msgstr "Utilitarul foloseşte aceeaşi bibliotecă precum clusterul activ pentru a arăta ce ar fi realizat cu informaţiile primite. Rezultatul de ieşire, suplimentar la o cantitate semnificativă de loguri, este stocat în două fişiere tmp.graph şi tmp.dot, ambele sunt reprezentări ale aceluiaşi lucru -- răspunsul clusterului la modificările voastre. În fişierul graf este stocată tranziţia completă, conţinând o listă cu toate acţiunile, parametrii acestora şi cerinţele premergătoare ale acestora. Pentru că graful de tranziţie nu este foarte uşor de citit, utilitarul generează un fişier Graphviz dot de asemenea reprezentând aceleaşi informaţii." #. Tag: para #, fuzzy, no-c-format msgid "In the graph file is stored the complete transition, containing a list of all the actions, their parameters and their pre-requisites. Because the transition graph is not terribly easy to read, the tool also generates a Graphviz dot-file representing the same information." msgstr "Utilitarul foloseşte aceeaşi bibliotecă precum clusterul activ pentru a arăta ce ar fi realizat cu informaţiile primite. Rezultatul de ieşire, suplimentar la o cantitate semnificativă de loguri, este stocat în două fişiere tmp.graph şi tmp.dot, ambele sunt reprezentări ale aceluiaşi lucru -- răspunsul clusterului la modificările voastre. În fişierul graf este stocată tranziţia completă, conţinând o listă cu toate acţiunile, parametrii acestora şi cerinţele premergătoare ale acestora. Pentru că graful de tranziţie nu este foarte uşor de citit, utilitarul generează un fişier Graphviz dot de asemenea reprezentând aceleaşi informaţii." #. Tag: title #, no-c-format msgid "Interpreting the Graphviz output" msgstr "Interpretarea rezultatului de ieşire al Graphviz" #. Tag: para #, no-c-format msgid "Arrows indicate ordering dependencies" msgstr "Săgeţile indică dependinţele de ordonare" #. Tag: para #, no-c-format msgid "Dashed-arrows indicate dependencies that are not present in the transition graph" msgstr "Săgeţile întrerupte de cratime indică dependinţe care nu sunt prezente în graful de tranziţie" #. Tag: para #, no-c-format msgid "Actions with a dashed border of any color do not form part of the transition graph" msgstr "Acţiunile cu o margine întreruptă cu cratime de orice culoare nu se formează ca parte a grafului de tranziţie" #. Tag: para #, no-c-format msgid "Actions with a green border form part of the transition graph" msgstr "Acţiunile cu o margine verde se formează ca parte a grafului de tranziţie" #. Tag: para #, no-c-format msgid "Actions with a red border are ones the cluster would like to execute but cannot run" msgstr "Acţiunile cu o margine roşie sunt cele pe care clusterul ar dori să le execute dar sunt neexecutabile" #. Tag: para #, no-c-format msgid "Actions with a blue border are ones the cluster does not feel need to be executed" msgstr "Acţiunile cu o margine albastră sunt cele pe care clusterul nu consideră că trebuie executate" #. Tag: para #, no-c-format msgid "Actions with orange text are pseudo/pretend actions that the cluster uses to simplify the graph" msgstr "Acţiunile cu text portocaliu sunt acţiuni pseudo/de prefacere pe care clusterul le foloseşte pentru a simplifica graful" #. Tag: para #, no-c-format msgid "Actions with black text are sent to the LRM" msgstr "Acţiunile cu text negru sunt trimise la LRM" #. Tag: para #, no-c-format msgid "Resource actions have text of the form rsc_action_interval node" msgstr "Acţiunile resurselor au textul de forma rsc_action_intervalnode" #. Tag: para #, no-c-format msgid "Any action depending on an action with a red border will not be able to execute." msgstr "Orice acţiune care depine de o acţiune cu o margine roşie nu va putea să se execute." #. Tag: para #, no-c-format msgid "Loops are really bad. Please report them to the development team." msgstr "Buclele de execuţie sunt foarte rele. Vă rugăm să le raportaţi echipei de dezvoltare." #. Tag: title #, no-c-format msgid "Small Cluster Transition" msgstr "Tranziţia unui Cluster Mic" #. Tag: phrase #, no-c-format msgid "An example transition graph as represented by Graphviz" msgstr "Un exemplu de graf de tranziţie aşa cum este reprezentat de Graphviz" #. Tag: para #, no-c-format msgid "In the above example, it appears that a new node, node2, has come online and that the cluster is checking to make sure rsc1, rsc2 and rsc3 are not already running there (Indicated by the *_monitor_0 entries). Once it did that, and assuming the resources were not active there, it would have liked to stop rsc1 and rsc2 on node1 and move them to node2. However, there appears to be some problem and the cluster cannot or is not permitted to perform the stop actions which implies it also cannot perform the start actions. For some reason the cluster does not want to start rsc3 anywhere." msgstr "În exemplul de mai sus, se pare că un nod nou, node2, a ajuns online şi clusterul verifică să se asigure că rsc1, rsc2 şi rsc3, nu rulează deja acolo (aspect indicat de intrările *_monitor_0). Odată ce a realizat acest lucru şi mergând pe presupunerea că resursele nu erau active acolo, ar fi preferat să oprească rsc1 şi rsc2 pe node1 şi să le mute pe node2. Totuşi se pare că există o problemă şi clusterul nu poate sau nu îi este permis să execute operaţiunile de oprire, fapt care implică neputinţa de a efectua acţiunile de pornire de asemenea. Pentru un motiv anume clusterul nu vrea să pornească rsc3 nicăieri." #. Tag: para #, fuzzy, no-c-format msgid "For information on the options supported by crm_simulate, use the --help option." msgstr "Pentru informaţii legate de opţiunile suportate de ptest, folosiţi ptest --help" #. Tag: title #, no-c-format msgid "Complex Cluster Transition" msgstr "Tranziţii Complexe ale Clusterului" #. Tag: phrase #, no-c-format msgid "Another, slightly more complex, transition graph that you're not expected to be able to read" msgstr "Un alt graf de tranziţie, ceva mai complex, pe care nu sunteţi aşteaptaţi să îl puteţi citi" #. Tag: title #, no-c-format msgid "Do I Need to Update the Configuration on all Cluster Nodes?" msgstr "Trebuie să Actualizez Configuraţia pe toate Nodurile Clusterului?" #. Tag: para #, no-c-format msgid "No. Any changes are immediately synchronized to the other active members of the cluster." msgstr "Nu. Orice modificări sunt sincronizate imediat către ceilalţi membri activi ai clusterului." #. Tag: para #, no-c-format msgid "To reduce bandwidth, the cluster only broadcasts the incremental updates that result from your changes and uses MD5 checksums to ensure that each copy is completely consistent." msgstr "Pentru a reduce consumul de lăţime de bandă, clusterul transmite numai actualizările incrementale care rezultă din modificările realizate de voi şi foloseşte hash-uri MD5 pentru a se asigura că fiecare copie este complet consistentă." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Constraints.po000066400000000000000000001623101217637305600250770ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Resource Constraints" msgstr "Restricţiile Resurselor" #. Tag: para #, fuzzy, no-c-format msgid " ResourceConstraints Constraints " msgstr "scorCâmp de Restricție Constraint Fieldscor scor" #. Tag: title #, no-c-format msgid "Scores" msgstr "Scoruri" #. Tag: para #, no-c-format msgid "Scores of all kinds are integral to how the cluster works. Practically everything from moving a resource to deciding which resource to stop in a degraded cluster is achieved by manipulating scores in some way." msgstr "Scorurile de toate tipurile sunt parte integrală din cum funcţionează clusterul. Practic orice de la mutarea unei resurse la a decide care resursă să fie oprită într-un cluster degradat este atinsă prin manipularea scorurilor în vreun fel." #. Tag: para #, fuzzy, no-c-format msgid "Scores are calculated on a per-resource basis and any node with a negative score for a resource can’t run that resource. After calculating the scores for a resource, the cluster then chooses the node with the highest one." msgstr "Scorurile sunt calculate la nivel de resursă şi orice nod cu un scor negativ pentru o resursă nu poate rula acea resursă. După calcularea scorurilor pentru o resursă, clusterul alege mai apoi nodul cu scorul cel mai mare." #. Tag: title #, no-c-format msgid "Infinity Math" msgstr "Matematica Infinitului" #. Tag: para #, no-c-format msgid "INFINITY is currently defined as 1,000,000 and addition/subtraction with it follows these three basic rules:" msgstr "INFINITY este definit în mod curent ca 1,000,000 şi adunarea/scăderea din acesta urmează următoarele 3 reguli de bază:" #. Tag: para #, no-c-format msgid "Any value + INFINITY = INFINITY" msgstr "Orice valoare + INFINITY = INFINITY " #. Tag: para #, no-c-format msgid "Any value - INFINITY = -INFINITY" msgstr "Orice valoare - INFINITY = -INFINITY" #. Tag: para #, no-c-format msgid "INFINITY - INFINITY = -INFINITY" msgstr "INFINITY - INFINITY = -INFINITY" #. Tag: title #, no-c-format msgid "Deciding Which Nodes a Resource Can Run On" msgstr "Decizând pe Care Noduri Poate Rula o Resursă" #. Tag: para #, fuzzy, no-c-format msgid " Location Constraints ResourceConstraintsLocation ConstraintsLocation Location There are two alternative strategies for specifying which nodes a resources can run on. One way is to say that by default they can run anywhere and then create location constraints for nodes that are not allowed. The other option is to have nodes \"opt-in\"… to start with nothing able to run anywhere and selectively enable allowed nodes." msgstr "Sunt două strategii alternative pentru specificarea nodurilor pe care poate rula o resursă. Un mod este acela de a spune că în mod implicit acestea pot rula oriunde şi apoi să se creeze restricţii de locaţie pentru nodurile pe care acestea nu sunt permise. Cealaltă opţiune este cea de a avea noduri care să \"opt-in\"... de a porni fără a permite la nimic de a rula nicăieri şi de a activa în mod selectiv nodurile permise." #. Tag: title #, no-c-format msgid "Options" msgstr "Opţiuni" #. Tag: title #, no-c-format msgid "Options for Simple Location Constraints" msgstr "Opţiuni pentru Restricţii Simple de Locaţie" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the constraint idLocation Constraints Location Constraints ConstraintsLocationid Locationid id " msgstr "" #. Tag: para #, no-c-format msgid "rsc" msgstr "" #. Tag: para #, no-c-format msgid "A resource name rscLocation Constraints Location Constraints ConstraintsLocationrsc Locationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "node" msgstr "" #. Tag: para #, no-c-format msgid "A node’s name nodeLocation Constraints Location Constraints ConstraintsLocationnode Locationnode node " msgstr "" #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Positive values indicate the resource should run on this node. Negative values indicate the resource should not run on this node." msgstr "Valorile pozitive indică faptul că resursa ar trebui să ruleze pe acelaşi nod. Valorile negative indică faptul că resursele ar trebui să nu ruleze pe acelaşi nod. Valorile +/- INFINITY schimbâ \"ar trebui\" în \"trebuie\"." #. Tag: para #, no-c-format msgid "Values of +/- INFINITY change \"should\"/\"should not\" to \"must\"/\"must not\". scoreLocation Constraints Location Constraints ConstraintsLocationscore Locationscore score " msgstr "" #. Tag: title #, no-c-format msgid "Asymmetrical \"Opt-In\" Clusters" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Asymmetrical Opt-In Clusters Cluster TypeAsymmetrical Opt-In Asymmetrical Opt-In " msgstr "Clustere Opt-In Asimetrice Tip de ClusterOpt-In Asimetric Clustere \"Opt-In\" Asimetrice" #. Tag: para #, no-c-format msgid "To create an opt-in cluster, start by preventing resources from running anywhere by default:" msgstr "Pentru a crea un cluster opt-in, porniţi prin a împiedica resursele din a rula oriunde în mod implicit:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value false" msgstr "crm_attribute --attr-name symmetric-cluster --attr-value false" #. Tag: para #, no-c-format msgid "Then start enabling nodes. The following fragment says that the web server prefers sles-1, the database prefers sles-2 and both can fail over to sles-3 if their most preferred node fails." msgstr "Apoi începeţi să activaţi noduri. Fragmentul următor spune că serverul web preferă sles-1, baza de date preferă sles-2 şi ambele pot face failover pe sles-3 dacă nodul lor cu cea mai mare preferinţă eşuează." #. Tag: title #, no-c-format msgid "Example set of opt-in location constraints" msgstr "Exemplu de restricţii de locaţie opt-in" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-3\" score=\"0\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-3\" score=\"0\"/>\n" "</constraints>" msgstr "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-3\" score=\"0\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-3\" score=\"0\"/>\n" " </constraints> " #. Tag: title #, no-c-format msgid "Symmetrical \"Opt-Out\" Clusters" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Symmetrical Opt-Out Clusters Cluster TypeSymmetrical Opt-Out Symmetrical Opt-Out " msgstr "Clustere Opt-Out Simetrice Tip de ClusterOpt-Out Simetrice Clustere \"Opt-Out\" Simetrice" #. Tag: para #, fuzzy, no-c-format msgid "To create an opt-out cluster, start by allowing resources to run anywhere by default:" msgstr "Pentru a crea un cluster opt-out, începeţi prin a permite resurselor să ruleze oriunde în mod implicit" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name symmetric-cluster --attr-value true" msgstr "crm_attribute --attr-name symmetric-cluster --attr-value true" #. Tag: para #, no-c-format msgid "Then start disabling nodes. The following fragment is the equivalent of the above opt-in configuration." msgstr "Apoi începeţi să dezactivaţi noduri. Următorul fragment este echivalentul configuraţiei opt-in de mai sus." #. Tag: title #, no-c-format msgid "Example set of opt-out location constraints" msgstr "Exemplu de restricţii de locaţie opt-out" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2-dont-run\" rsc=\"Webserver\" node=\"sles-2\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-3-dont-run\" rsc=\"Database\" node=\"sles-1\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"200\"/>\n" " <rsc_location id=\"loc-2-dont-run\" rsc=\"Webserver\" node=\"sles-2\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-3-dont-run\" rsc=\"Database\" node=\"sles-1\" score=\"-INFINITY\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " </constraints> " #. Tag: para #, no-c-format msgid "Whether you should choose opt-in or opt-out depends both on your personal preference and the make-up of your cluster. If most of your resources can run on most of the nodes, then an opt-out arrangement is likely to result in a simpler configuration. On the other-hand, if most resources can only run on a small subset of nodes an opt-in configuration might be simpler." msgstr "Fie că ar trebui să alegeţi opt-in sau opt-out depinde atât de preferinţele voastre personale cât şi de structura clusterului vostru. Dacă majoritatea resurselor pot rula pe majoritatea nodurilor, atunci un aranjament opt-out va rezulta într-o configuraţie mai simplă. Pe partea cealaltă, dacă majoritatea resurselor pot rula doar pe un subset mic de noduri o configuraţie opt-in ar putea fi mai simplă." #. Tag: title #, no-c-format msgid "What if Two Nodes Have the Same Score" msgstr "Dacă Două Noduri Au Acelaşi Scor" #. Tag: para #, no-c-format msgid "If two nodes have the same score, then the cluster will choose one. This choice may seem random and may not be what was intended, however the cluster was not given enough information to know any better." msgstr "Dacă două noduri au acelaşi scor, atunci clusterul va alege unul. Această alegere poate părea aleatorie şi ar putea să nu fie ceea ce s-a intenţionat, în schimb clusterului nu i-a fost dată suficientă informaţie pentru a şti care a fost intenţia." #. Tag: title #, no-c-format msgid "Example of two resources that prefer two nodes equally" msgstr "Exemplu de două resurse care preferă două noduri în mod egal" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-1\" score=\"500\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"300\"/>\n" " <rsc_location id=\"loc-5\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_location id=\"loc-1\" rsc=\"Webserver\" node=\"sles-1\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-2\" rsc=\"Webserver\" node=\"sles-2\" score=\"INFINITY\"/>\n" " <rsc_location id=\"loc-3\" rsc=\"Database\" node=\"sles-1\" score=\"500\"/>\n" " <rsc_location id=\"loc-4\" rsc=\"Database\" node=\"sles-2\" score=\"300\"/>\n" " <rsc_location id=\"loc-5\" rsc=\"Database\" node=\"sles-2\" score=\"200\"/>\n" " </constraints> " #. Tag: para #, fuzzy, no-c-format msgid "In the example above, assuming no other constraints and an inactive cluster, Webserver would probably be placed on sles-1 and Database on sles-2. It would likely have placed Webserver based on the node’s uname and Database based on the desire to spread the resource load evenly across the cluster. However other factors can also be involved in more complex configurations." msgstr "În exemplul de mai sus, mergând pe presupunerea că nu sunt alte restricţii şi un cluster inactiv, Webserver ar fi probabil plasat pe sles-1 şi Database pe sles-2. Este probabil să fi plasat Webserver pe baza uname-ului nodului şi Database bazat pe dorinţa de a împrăştia încărcarea cu resurse în mod egal de-a lungul clusterului. Totuşi alţi factori pot fi implicaţi de asemenea în configuraţii mai complexe." #. Tag: title #, no-c-format msgid "Specifying in which Order Resources Should Start/Stop" msgstr "Specificând Ordinea în care Resursele ar Trebui să Pornească/Oprească" #. Tag: para #, no-c-format msgid " ResourceConstraintsOrdering ConstraintsOrdering Ordering ResourceStart Order Start Order Ordering Constraints The way to specify the order in which resources should start is by creating rsc_order constraints." msgstr "" #. Tag: title #, no-c-format msgid "Properties of an Ordering Constraint" msgstr "Proprietăţile unei Restricţii de Ordonare" #. Tag: para #, no-c-format msgid "A unique name for the constraint idOrdering Constraints Ordering Constraints ConstraintsOrderingid Orderingid id " msgstr "" #. Tag: para #, no-c-format msgid "first" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource that must be started before the then resource is allowed to. firstOrdering Constraints Ordering Constraints ConstraintsOrderingfirst Orderingfirst first " msgstr "" #. Tag: para #, no-c-format msgid "then" msgstr "" #. Tag: para #, no-c-format msgid "The name of a resource. This resource will start after the first resource. thenOrdering Constraints Ordering Constraints ConstraintsOrderingthen Orderingthen then " msgstr "" #. Tag: para #, no-c-format msgid "kind" msgstr "" #. Tag: para #, no-c-format msgid "How to enforce the constraint. (Since 1.1.2)" msgstr "" #. Tag: para #, no-c-format msgid "* Optional - Just a suggestion. Only applies if both resources are starting/stopping." msgstr "" #. Tag: para #, no-c-format msgid "* Mandatory - Always. If first is stopping or cannot be started, then must be stopped." msgstr "" #. Tag: para #, no-c-format msgid "* Serialize - Ensure that no two stop/start actions occur concurrently for a set of resources." msgstr "" #. Tag: para #, no-c-format msgid " kindOrdering Constraints Ordering Constraints ConstraintsOrderingkind Orderingkind kind " msgstr "" #. Tag: para #, no-c-format msgid "symmetrical" msgstr "" #. Tag: para #, no-c-format msgid "If true, which is the default, stop the resources in the reverse order. Default value: true symmetricalOrdering Constraints Ordering Constraints Ordering Constraintssymmetrical symmetrical " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Ordering" msgstr "Ordonarea Obligatorie" #. Tag: para #, no-c-format msgid "When the then resource cannot run without the first resource being active, one should use mandatory constraints. To specify a constraint is mandatory, use scores greater than zero. This will ensure that the then resource will react when the first resource changes state." msgstr "Când resursa then nu poate rula fără ca resursa first să fie activă, ar trebui să folosiţi restricţii obligatorii. Pentru a specifica faptul că o restricţie este obligatorie, folosiţi scoruri mai mari decât zero. Acest lucru va asigura că resursa \"then\" va reacţiona atunci când resursa \"first\" îşi schimbă starea." #. Tag: para #, no-c-format msgid "If the first resource was running and is stopped, the then resource will also be stopped (if it is running)." msgstr "Dacâ resursa first rula şi este oprită, resursa then va fi oprită de asemenea (dacă rulează)" #. Tag: para #, no-c-format msgid "If the first resource was not running and cannot be started, the then resource will be stopped (if it is running)." msgstr "Dacă resursa first nu rula şi nu poate fi pornită, resursa then va fi oprită (dacă rulează)" #. Tag: para #, no-c-format msgid "If the first resource is (re)started while the then resource is running, the then resource will be stopped and restarted." msgstr "Dacă resursa first este (re)pornită în timp ce resursa then rulează, resursa then va fi oprită şi repornită" #. Tag: title #, no-c-format msgid "Advisory Ordering" msgstr "Ordonare Recomandată" #. Tag: para #, no-c-format msgid "On the other hand, when score=\"0\" is specified for a constraint, the constraint is considered optional and only has an effect when both resources are stopping and/or starting. Any change in state by the first resource will have no effect on the then resource." msgstr "Pe altă parte, când score=\"0\" este specificat pentru o restricţie, restricţia este considerată opţională şi are efect doar când ambele resurse sunt oprite sau pornite. Orice modificare a stării resursei first nu va avea nici un efect asupra resursei then." #. Tag: title #, no-c-format msgid "Example of an optional and mandatory ordering constraint" msgstr "Exemplu de restricţie de ordonare obligatorie şi recomandată" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\" first=\"Database\" then=\"Webserver\" />\n" " <rsc_order id=\"order-2\" first=\"IP\" then=\"Webserver\" score=\"0\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_order id=\"order-1\" first=\"Database\" then=\"Webserver\" />\n" " <rsc_order id=\"order-2\" first=\"IP\" then=\"Webserver\" score=\"0\"/>\n" " </constraints> " #. Tag: para #, no-c-format msgid "Some additional information on ordering constraints can be found in the document Ordering Explained." msgstr "Informaţii adiţionale despre restricţiile de ordonare pot fi găsite în documentul Ordonarea Explicată" #. Tag: title #, no-c-format msgid "Placing Resources Relative to other Resources" msgstr "Plasarea Resurselor Relativă la alte Resurse" #. Tag: para #, no-c-format msgid " ResourceConstraintsColocation ConstraintsColocation Colocation ResourceLocation Relative to other Resources Location Relative to other Resources When the location of one resource depends on the location of another one, we call this colocation." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "There is an important side-effect of creating a colocation constraint between two resources: it affects the order in which resources are assigned to a node. If you think about it, it’s somewhat obvious. You can’t place A relative to B unless you know where B is. While the human brain is sophisticated enough to read the constraint in any order and choose the correct one depending on the situation, the cluster is not quite so smart. Yet. " msgstr "Există un efect secundar important ca urmare a creării unei restricţii de colocare între două resurse, şi anume acela că afectează ordinea în care resursele sunt asignate unui nod. Dacă stai să te gândeşti, este oarecum evident. Nu poţi plasa A relativ la B decât dacă ştii unde B este În timp ce creierul uman este destul de sofisticat pentru a citi o restricţie în orice ordine şi de a alege pe cea corectă în funcţie de situaţie, clusterul nu este atât de inteligent. Încă. . Aşa că atunci când creaţi restricţii de colocare, este important să ţineţi cont de dacă vreţi să colocaţi A cu B sau B cu A." #. Tag: para #, no-c-format msgid "So when you are creating colocation constraints, it is important to consider whether you should colocate A with B or B with A." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Another thing to keep in mind is that, assuming A is collocated with B, the cluster will also take into account A’s preferences when deciding which node to choose for B." msgstr "Un alt aspect care merită reţinut este acela că, presupunând că A este colocat cu B, clusterul va lua în considerare preferinţele lui A când va decide care nod să aleagă pentru B. Pentru o vedere detaliată asupra modului exact în care se întâmplă acest lucru, vedeţi documentul Colocarea Explicată." #. Tag: para #, fuzzy, no-c-format msgid "For a detailed look at exactly how this occurs, see the Colocation Explained document." msgstr "Un alt aspect care merită reţinut este acela că, presupunând că A este colocat cu B, clusterul va lua în considerare preferinţele lui A când va decide care nod să aleagă pentru B. Pentru o vedere detaliată asupra modului exact în care se întâmplă acest lucru, vedeţi documentul Colocarea Explicată." #. Tag: title #, no-c-format msgid "Properties of a Collocation Constraint" msgstr "Proprietăţile unei Restricţii de Colocare" #. Tag: para #, no-c-format msgid "A unique name for the constraint. idColocation Constraints Colocation Constraints ConstraintsColocationid Colocationid id " msgstr "" #. Tag: para #, no-c-format msgid "The colocation source. If the constraint cannot be satisfied, the cluster may decide not to allow the resource to run at all. rscColocation Constraints Colocation Constraints ConstraintsColocationrsc Colocationrsc rsc " msgstr "" #. Tag: para #, no-c-format msgid "with-rsc" msgstr "" #. Tag: para #, no-c-format msgid "The colocation target. The cluster will decide where to put this resource first and then decide where to put the resource in the rsc field. with-rscColocation Constraints Colocation Constraints ConstraintsColocationwith-rsc Colocationwith-rsc with-rsc " msgstr "" #. Tag: para #, no-c-format msgid "Positive values indicate the resource should run on the same node. Negative values indicate the resources should not run on the same node. Values of +/- INFINITY change \"should\" to \"must\". scoreColocation Constraints Colocation Constraints ConstraintsColocationscore Colocationscore score " msgstr "" #. Tag: title #, no-c-format msgid "Mandatory Placement" msgstr "Plasament Obligatoriu" #. Tag: para #, fuzzy, no-c-format msgid "Mandatory placement occurs any time the constraint’s score is +INFINITY or -INFINITY. In such cases, if the constraint can’t be satisfied, then the rsc resource is not permitted to run. For score=INFINITY, this includes cases where the with-rsc resource is not active." msgstr "Plasamentul obligatoriu se întâmplă oricând scorul restricţiei este +INFINITY sau -INFINITY. În astfel de cazuri, dacă restricţia poate fi satisfăcută, atunci resursei rsc nu îi este permis să ruleze. Pentru scor=INFINITY, acest aspect include cazuri în care resursa with-rsc nu este activă." #. Tag: para #, no-c-format msgid "If you need resource1 to always run on the same machine as resource2, you would add the following constraint:" msgstr "Dacă aveţi nevoie ca resource1 să ruleze întotdeauna pe aceeaşi maşină ca şi resource2, aţi adăuga următoarea restricţie:" #. Tag: title #, no-c-format msgid "An example colocation constraint" msgstr "Un exemplu de restricţie de colocare" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_colocation id=\"colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"INFINITY\"/>" msgstr "" " <rsc_colocation id=\"colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"INFINITY\"/>\n" "\t " #. Tag: para #, fuzzy, no-c-format msgid "Remember, because INFINITY was used, if resource2 can’t run on any of the cluster nodes (for whatever reason) then resource1 will not be allowed to run." msgstr "Ţineţi minte, datorită faptului că INFINITY a fost folosit, dacă resource2 nu poate rula pe nici unul din nodurile clusterului (indiferent de motiv) atunci resource1 nu îi va fi permis să ruleze." #. Tag: para #, fuzzy, no-c-format msgid "Alternatively, you may want the opposite… that resource1 cannot run on the same machine as resource2. In this case use score=\"-INFINITY\"" msgstr "Alternativ, aţi putea dori opusul... ca resource1 să nu poată rula pe aceeaşi maşină ca resource2. În acest caz folosiţi scor=\"-INFINITY\"" #. Tag: title #, no-c-format msgid "An example anti-colocation constraint" msgstr "Un exemplu de restricţie anti-colocare" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_colocation id=\"anti-colocate\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"-INFINITY\"/>" msgstr "" "<rsc_colocation id=\"anti-colocate\"\n" " rsc=\"resource1\" with-rsc=\"resource2\" score=\"-INFINITY\"/> \n" "\t " #. Tag: para #, no-c-format msgid "Again, by specifying -INFINTY, the constraint is binding. So if the only place left to run is where resource2 already is, then resource1 may not run anywhere." msgstr "Din nou, specificând -INFINTY, restricţia este imutabilă. Deci singurul loc rămas pentru a rula este cel unde resource2 este deja, atunci resource1 nu poate rula nicăieri." #. Tag: title #, no-c-format msgid "Advisory Placement" msgstr "Plasament Recomandat" #. Tag: para #, fuzzy, no-c-format msgid "If mandatory placement is about \"must\" and \"must not\", then advisory placement is the \"I’d prefer if\" alternative. For constraints with scores greater than -INFINITY and less than INFINITY, the cluster will try and accommodate your wishes but may ignore them if the alternative is to stop some of the cluster resources." msgstr "Dacă plasamentul obligatoriu se referă la \"trebuie\" şi \"nu trebuie\", atunci plasamentul recomandat este alternativa \"aş prefera dacă\". Pentru restricţii cu scoruri mai mari decât -INFINITY şi mai mici decât INFINITY, clusterul va încerca să acomodeze dorinţele voastre dar le-ar putea ignora dacă alternativa este să oprească unele din resursele clusterului." #. Tag: para #, no-c-format msgid "Like in life, where if enough people prefer something it effectively becomes mandatory, advisory colocation constraints can combine with other elements of the configuration to behave as if they were mandatory." msgstr "Ca şi în viaţă, unde dacă destule persoane preferă ceva acest lucru devine obligatoriu, restricţiile de colocare recomandate se pot combina cu alte elemente ale configuraţiei pentru a se comporta ca şi cum ar fi obligatorii." #. Tag: title #, no-c-format msgid "An example advisory-only colocation constraint" msgstr "Un exemplu de restricţie de colocare doar recomandată" #. Tag: programlisting #, fuzzy, no-c-format msgid "<rsc_colocation id=\"colocate-maybe\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"500\"/>" msgstr "" "<rsc_colocation id=\"colocate-maybe\" rsc=\"resource1\" with-rsc=\"resource2\" score=\"500\"/>\n" "\t " #. Tag: title #, no-c-format msgid "Ordering Sets of Resources" msgstr "Ordonarea Seturilor de Resurse" #. Tag: para #, no-c-format msgid "A common situation is for an administrator to create a chain of ordered resources, such as:" msgstr "O situaţie comună este ca un administrator să creeze un lanţ de resurse ordonate, precum:" #. Tag: title #, no-c-format msgid "A chain of ordered resources" msgstr "Un lanţ de resurse ordonate" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\" first=\"A\" then=\"B\" />\n" " <rsc_order id=\"order-2\" first=\"B\" then=\"C\" />\n" " <rsc_order id=\"order-3\" first=\"C\" then=\"D\" />\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_order id=\"order-1\" first=\"A\" then=\"B\" />\n" " <rsc_order id=\"order-2\" first=\"B\" then=\"C\" />\n" " <rsc_order id=\"order-3\" first=\"C\" then=\"D\" />\n" " </constraints> " #. Tag: title #, no-c-format msgid "Ordered Set" msgstr "Set Ordonat" #. Tag: title #, no-c-format msgid "Visual representation of the four resources' start order for the above constraints" msgstr "Reprezentarea vizuală a ordinii de pornire a celor patru resurse pentru restricţiile de mai sus" #. Tag: phrase #, fuzzy, no-c-format msgid "Ordered set" msgstr "Set Ordonat" #. Tag: para #, no-c-format msgid "To simplify this situation, there is an alternate format for ordering constraints:" msgstr "Pentru a simplifica această situaţie, există un format alternativ pentru ordonarea restricţiilor" #. Tag: title #, no-c-format msgid "A chain of ordered resources expressed as a set" msgstr "Un lanţ de resurse ordonate exprimate ca un set" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints> " #. Tag: para #, no-c-format msgid "Resource sets have the same ordering semantics as groups." msgstr "Seturile de resurse au aceeaşi semantică de ordonare ca şi grupurile." #. Tag: title #, no-c-format msgid "A group resource with the equivalent ordering rules" msgstr "Un grup de resurse cu regulile de ordonare echivalente" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<group id=\"dummy\">\n" " <primitive id=\"A\" .../>\n" " <primitive id=\"B\" .../>\n" " <primitive id=\"C\" .../>\n" " <primitive id=\"D\" .../>\n" "</group>" msgstr "" " <group id=\"dummy\">\n" " <primitive id=\"A\" .../>\n" " <primitive id=\"B\" .../>\n" " <primitive id=\"C\" .../>\n" " <primitive id=\"D\" .../>\n" " </group> " #. Tag: para #, no-c-format msgid "While the set-based format is not less verbose, it is significantly easier to get right and maintain. It can also be expanded to allow ordered sets of (un)ordered resources. In the example below, rscA and rscB can both start in parallel, as can rscC and rscD, however rscC and rscD can only start once both rscA and rscB are active." msgstr "În timp ce formatul bazat pe seturi nu este mai puţin verbose, este semnificativ mai uşor de a nimeri şi menţine. Poate fi extins pentru a permite seturi ordonate de resurse (ne)ordonate. În exemplul de mai jos, rscA şi rscB pot porni ambele în paralel, la fel pot si rscC şi rscD, însă rscC şi rscD pot porni doar odată ce ambele rscA şi rscB sunt active." #. Tag: title #, no-c-format msgid "Ordered sets of unordered resources" msgstr "Seturi ordonate de resurse neordonate" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints>" msgstr "" " <constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints> " #. Tag: title #, no-c-format msgid "Two Sets of Unordered Resources" msgstr "Două Seturi de Resurse Neordonate" #. Tag: title #, no-c-format msgid "Visual representation of the start order for two ordered sets of unordered resources" msgstr "Reprezentarea vizuală a ordinii de pornire pentru două seturi de resurse neordonate" #. Tag: phrase #, fuzzy, no-c-format msgid "Two ordered sets" msgstr "Set Ordonat" #. Tag: para #, fuzzy, no-c-format msgid "Of course either set — or both sets — of resources can also be internally ordered (by setting sequential=\"true\") and there is no limit to the number of sets that can be specified." msgstr "Desigur că oricare set -- sau ambele seturi -- de resurse pot de asemenea să fie ordonate intern (prin setarea sequential=\"true\") şi nu este nici o limită asupra numărului de seturi care poate fi specificat." #. Tag: title #, no-c-format msgid "Advanced use of set ordering - Three ordered sets, two of which are internally unordered" msgstr "Utilizări avansate ale ordonării seturilor - Trei seturi ordonate, două din care sunt neordonate intern" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"true\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-3\" sequential=\"false\">\n" " <resource_ref id=\"E\"/>\n" " <resource_ref id=\"F\"/>\n" " </resource_set>\n" " </rsc_order>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_order id=\"order-1\">\n" " <resource_set id=\"ordered-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-2\" sequential=\"true\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " <resource_set id=\"ordered-set-3\" sequential=\"false\">\n" " <resource_ref id=\"E\"/>\n" " <resource_ref id=\"F\"/>\n" " </resource_set>\n" " </rsc_order>\n" " </constraints> " #. Tag: title #, no-c-format msgid "Three Resources Sets" msgstr "Trei Seturi de Resurse" #. Tag: title #, no-c-format msgid "Visual representation of the start order for the three sets defined above" msgstr "Reprezentarea vizuală a ordinii de pornire pentru cele trei seturi definite mai sus" #. Tag: phrase #, fuzzy, no-c-format msgid "Three ordered sets" msgstr "Trei Seturi de Resurse" #. Tag: title #, no-c-format msgid "Collocating Sets of Resources" msgstr "Colocarea Seturilor de Resurse" #. Tag: para #, no-c-format msgid "Another common situation is for an administrator to create a set of collocated resources. Previously this was possible either by defining a resource group (See ) which could not always accurately express the design; or by defining each relationship as an individual constraint, causing a constraint explosion as the number of resources and combinations grew." msgstr "O altă situaţie comună este ca un administrator să creeze un set de resurse colocate. Anterior acest lucru era posibil fie prin definirea unui grup de resurse (Vedeţi ) care nu putea întotdeauna să exprime designul în mod corect; sau prin definirea fiecărei relaţii ca o restricţie individuală, cauzând o explozie de restricţii pe măsură ce numărul resurselor şi al combinaţiilor creştea." #. Tag: title #, no-c-format msgid "A chain of collocated resources" msgstr "Un lanţ de resurse colocate" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" rsc=\"B\" with-rsc=\"A\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-2\" rsc=\"C\" with-rsc=\"B\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-3\" rsc=\"D\" with-rsc=\"C\" score=\"INFINITY\"/>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_colocation id=\"coloc-1\" rsc=\"B\" with-rsc=\"A\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-2\" rsc=\"C\" with-rsc=\"B\" score=\"INFINITY\"/>\n" " <rsc_colocation id=\"coloc-3\" rsc=\"D\" with-rsc=\"C\" score=\"INFINITY\"/>\n" " </constraints> " #. Tag: para #, fuzzy, no-c-format msgid "To make things easier, we allow an alternate form of colocation constraints using resource_sets. Just like the expanded version, a resource that can’t be active also prevents any resource that must be collocated with it from being active. For example, if B was not able to run, then both C (+and by inference +D) must also remain stopped." msgstr "Pentru a face lucrurile mai uşoare, permitem o altă formă de restricţii de colocare folosind resource_sets (seturi de resurse). La fel ca şi versiunea extinsă, o resursă care nu poate fi activă împiedică de asemenea orice resursă care trebuie colocată cu aceasta de a fi activă. De exemplu dacă B nu era capabil să ruleze, atunci atât C (şi prin alianţă D) trebuie să rămână oprite." #. Tag: title #, no-c-format msgid "The equivalent colocation chain expressed using resource_sets" msgstr "Lanţul echivalent de restricţii de colocare exprimat folosind resource_sets" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-example\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" " </constraints> " #. Tag: para #, no-c-format msgid "Resource sets have the same colocation semantics as groups." msgstr "Seturile de resurse au aceleaşi restricţii semantice ca şi grupurile." #. Tag: title #, no-c-format msgid "A group resource with the equivalent colocation rules" msgstr "O resursă de grup cu regulile echivalente de colocare" #. Tag: para #, fuzzy, no-c-format msgid "This notation can also be used in this context to tell the cluster that a set of resources must all be located with a common peer, but have no dependencies on each other. In this scenario, unlike the previous, B would be allowed to remain active even if A or C (or both) were inactive." msgstr "Această notaţie poate fi folosită de asemenea în acest context pentru a spune clusterului că un set de resurse trebuie să fie toate amplasate pe un nod comun, dar că nu au dependinţe unele de altele. În acest scenariu, contrar faţă de cel anterior, lui B i-ar fi permis să rămână activă chiar dacă A sau C (sau ambele) ar fi fost inactive." #. Tag: title #, no-c-format msgid "Using colocation sets to specify a common peer." msgstr "Folosirea seturilor de colocare pentru a specifica un nod comun." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\">\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"false\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " <resource_ref id=\"C\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\">\n" " <resource_ref id=\"D\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" " </constraints> " #. Tag: para #, fuzzy, no-c-format msgid "Of course there is no limit to the number and size of the sets used. The only thing that matters is that in order for any member of set N to be active, all the members of set N+1 must also be active (and naturally on the same node); and if a set has sequential=\"true\", then in order for member M to be active, member M+1 must also be active. You can even specify the role in which the members of a set must be in using the set’s role attribute." msgstr "Desigur nu există nici o limită asupra numărului şi mărimii seturilor folosite. Singurul lucru care contează este ca pentru orice membru al setului N să fie activ, toţi membrii setului N+1 trebuie să fie activi de asemenea (şi evident pe acelaşi nod) şi dacă un set are sequential=\"true\", atunci pentru ca membrul M să fie activ, membrul M+1 trebuie să fie activ de asemenea. Puteţi specifica chiar rolul în care membrii unui set trebuie să fie folosind atributele de rol ale setului." #. Tag: title #, no-c-format msgid "A colocation chain where the members of the middle set have no inter-dependencies and the last has master status." msgstr "Un lanţ de colocare unde membrii setului mijlociu nu au interdependenţe şi ultimul are statusul de master." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " <resource_ref id=\"E\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\" role=\"Master\">\n" " <resource_ref id=\"F\"/>\n" " <resource_ref id=\"G\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" "</constraints>" msgstr "" " <constraints>\n" " <rsc_colocation id=\"coloc-1\" score=\"INFINITY\" >\n" " <resource_set id=\"collocated-set-1\" sequential=\"true\">\n" " <resource_ref id=\"A\"/>\n" " <resource_ref id=\"B\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"false\">\n" " <resource_ref id=\"C\"/>\n" " <resource_ref id=\"D\"/>\n" " <resource_ref id=\"E\"/>\n" " </resource_set>\n" " <resource_set id=\"collocated-set-2\" sequential=\"true\" role=\"Master\">\n" " <resource_ref id=\"F\"/>\n" " <resource_ref id=\"G\"/>\n" " </resource_set>\n" " </rsc_colocation>\n" " </constraints> " #. Tag: title #, no-c-format msgid "Another Three Resources Sets" msgstr "Încă Trei Seturi de Resurse" #. Tag: title #, no-c-format msgid "Visual representation of a colocation chain where the members of the middle set have no inter-dependencies" msgstr "Reprezentarea vizuală a unui lanţ de colocare unde membrii setului mijlociu nu au interdependenţe" #. Tag: phrase #, no-c-format msgid "Colocation chain" msgstr "" #~ msgid "ResourceConstraints" #~ msgstr "RestricțiileResurselor" #~ msgid "Constraintsfor Resources" #~ msgstr "Restricțiipentru Resurse" #~ msgid "idConstraint Field Constraint Fieldid entry>id" #~ msgstr "idCâmp de Restricție Câmp de Restricțieid entry>id" #~ msgid "A unique name for the constraint" #~ msgstr "Un nume unic pentru restricţie" #~ msgid "rsc Constraint Field Constraint Fieldrsc rsc" #~ msgstr "rsc Câmp de Restricție Constraint Fieldrsc rsc" #~ msgid "A resource name" #~ msgstr "Un nume de resursă" #~ msgid "NodeConstraint Field Constraint Fieldnode node" #~ msgstr "NodCâmp de Restricție Constraint Fieldnod nod" #~ msgid "A node's uname" #~ msgstr "uname-ul unui nod" #~ msgid "Positive values indicate the resource should run on this node. Negative values indicate the resource should not run on this node. Values of +/- INFINITY change \"should\"/\"should not\" to \"must\"/\"must not\"." #~ msgstr "Valorile pozitive indică faptul că resursa ar trebui să ruleze pe acelaşi nod. Valorile negative indică faptul că resursele ar trebui să nu ruleze pe acelaşi nod. Valorile +/- INFINITY schimbă \"ar putea\"/\"nu ar putea\" în \"trebuie\"/\"nu trebuie\"." #~ msgid "The way to specify the order in which resources should start is by creating rsc_order constraints." #~ msgstr "Modul în care se poate specifica ordinea în care resursele ar trebui să pornească este prin crearea de restricţii rsc_order" #~ msgid "id" #~ msgstr "id" #~ msgid "first" #~ msgstr "first" #~ msgid "The name of a resource that must be started before the then resource is allowed to." #~ msgstr "Numele unei resurse care trebuie pornită înainte de a îi permite resursei then să pornească" #~ msgid "then" #~ msgstr "then" #~ msgid "The name of a resource. This resource will start after the first resource." #~ msgstr "Numele unei resurse. Această resursă va porni după resursa first." #~ msgid "score" #~ msgstr "scor" #~ msgid "If greater than zero, the constraint is mandatory. Otherwise it is only a suggestion. Default value: INFINITY" #~ msgstr "Dacă este mai mare decât zero, restricţia este obligatorie. Altfel este doar o sugestie. Valoarea implicită: INFINITY" #~ msgid "symmetrical" #~ msgstr "simetric" #~ msgid "If true, which is the default, stop the resources in the reverse order. Default value: true" #~ msgstr "Dacă este adevărat, care este şi valoarea implicită, opreşte resursele în ordine inversă. Valoarea implicită: true" #~ msgid "When the location of one resource depends on the location of another one, we call this colocation." #~ msgstr "Când locaţia unei resurse depinde de locaţia altei resurse, numim acest lucru colocare." #~ msgid "A unique name for the constraint." #~ msgstr "Un nume unic pentru restricţie" #~ msgid "rsc" #~ msgstr "rsc" #~ msgid "The colocation source. If the constraint cannot be satisfied, the cluster may decide not to allow the resource to run at all." #~ msgstr "Sursa colocării. Dacă restricţia nu poate fi satisfăcută, clusterul poate decide să nu permită resursei să ruleze deloc." #~ msgid "with-rsc" #~ msgstr "with-rsc" #~ msgid "The colocation target. The cluster will decide where to put this resource first and then decide where to put the resource in the rsc field." #~ msgstr "Destinaţia colocării. Clusterul va decide unde să plaseze această resursă mai întâi şi apoi va decide unde să plaseze resursa din câmpul rsc" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Intro.po000066400000000000000000000447071217637305600236740ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Read-Me-First" msgstr "Citeşte-mă-Întâi-pe-Mine" #. Tag: title #, no-c-format msgid "The Scope of this Document" msgstr "Domeniul de Aplicare al acestui Document" #. Tag: para #, no-c-format msgid "The purpose of this document is to definitively explain the concepts used to configure Pacemaker. To achieve this, it will focus exclusively on the XML syntax used to configure the CIB." msgstr "Scopul acestul document este să explice în mod definitiv conceptele folosite pentru a configura Pacemaker. Pentru a atinge acest lucru, se va concentra exclusiv pe sintaxa XML folosită pentru a configura CIB-ul." #. Tag: para #, fuzzy, no-c-format msgid "For those that are allergic to XML, there exist several unified shells and GUIs for Pacemaker. However these tools will not be covered at all in this document I hope, however, that the concepts explained here make the functionality of these tools more easily understood. , precisely because they hide the XML." msgstr "Pentru aceia dintre voi care sunt alergici la XML, Pacemaker vine cu un shell de cluster; un GUI bazat pe Python există, de asemenea, însă aceste utilitare nu vor fi acoperite în vreun fel în acest document Eu sper, totuşi, conceptele explicate aici să facă funcţionalitatea acestor utilitare mai ușor de înțeles. , întocmai datorită faptului că acestea ascund XML-ul." #. Tag: para #, no-c-format msgid "Additionally, this document is NOT a step-by-step how-to guide for configuring a specific clustering scenario." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Although such guides exist, the purpose of this document is to provide an understanding of the building blocks that can be used to construct any type of Pacemaker cluster." msgstr "Pe deasupra, acest document NU este un ghid pas-cu-pas pentru configurarea unui scenariu specific de cluster. Deşi astfel de ghiduri există, scopul acestui document este acela de a furniza o înţelegere a elementelor de bază care pot fi folosite pentru a construi orice tip de cluster Pacemaker." #. Tag: title #, no-c-format msgid "What Is Pacemaker?" msgstr "Ce este Pacemaker?" #. Tag: para #, no-c-format msgid "Pacemaker is a cluster resource manager." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "It achieves maximum availability for your cluster services (aka. resources) by detecting and recovering from node and resource-level failures by making use of the messaging and membership capabilities provided by your preferred cluster infrastructure (either Corosync or Heartbeat." msgstr "Pacemaker este un manager de resurse de cluster. Atinge disponibilitatea maximă pentru serviciile voastre de cluster (a.k.a. resursele) prin detectarea şi recuperarea din eşecuri la nivel de nod sau de resursă prin folosirea capabilităţilor de mesagerie şi apartenenţă furnizate de infrastructura de cluster preferată (fie Corosync sau Heartbeat)." #. Tag: para #, fuzzy, no-c-format msgid "Pacemaker’s key features include:" msgstr "Caracteristicile cheie ale Pacemaker includ:" #. Tag: para #, no-c-format msgid "Detection and recovery of node and service-level failures" msgstr "Detectarea şi recuperarea eşecurilor la nivel de nod şi serviciu" #. Tag: para #, no-c-format msgid "Storage agnostic, no requirement for shared storage" msgstr "Agnostic d.p.d.v. al stocării, nu sunt cerinţe pentru spaţiu de stocare partajat" #. Tag: para #, no-c-format msgid "Resource agnostic, anything that can be scripted can be clustered" msgstr "Agnostic d.p.d.v. al resurselor, orice poate fi scriptat poate fi folosit într-un cluster" #. Tag: para #, no-c-format msgid "Supports STONITH for ensuring data integrity" msgstr "Suportă STONITH pentru asigurarea integrităţii datelor" #. Tag: para #, no-c-format msgid "Supports large and small clusters" msgstr "Suportă clustere mici şi mari" #. Tag: para #, fuzzy, no-c-format msgid "Supports both quorate and resource driven clusters" msgstr "Suportă atât quorate cât şi clustere conduse de resurse TODO: quorum-driven?" #. Tag: para #, no-c-format msgid "Supports practically any redundancy configuration" msgstr "Suportă practic orice configuraţie redundantă" #. Tag: para #, no-c-format msgid "Automatically replicated configuration that can be updated from any node" msgstr "Configuraţie replicată în mod automat care poate fi actualizată de pe orice nod" #. Tag: para #, no-c-format msgid "Ability to specify cluster-wide service ordering, colocation and anti-colocation" msgstr "Abilitatea de a specifica ordonare, colocare şi anti-colocare la nivelul întregului cluster" #. Tag: para #, no-c-format msgid "Support for advanced services type" msgstr "Suport pentru tipuri de servicii avansate" #. Tag: para #, no-c-format msgid "Clones: for services which need to be active on multiple nodes" msgstr "Clone: pentru servicii care trebuie să fie active pe mai multe noduri" #. Tag: para #, no-c-format msgid "Multi-state: for services with multiple modes (eg. master/slave, primary/secondary)" msgstr "Multi-state: pentru servicii cu mai multe moduri de operare (ex. master/slave, primar/secundar)" #. Tag: title #, no-c-format msgid "Types of Pacemaker Clusters" msgstr "Tipuri de Clustere Pacemaker" #. Tag: para #, no-c-format msgid "Pacemaker makes no assumptions about your environment, this allows it to support practically any redundancy configuration including Active/Active, Active/Passive, N+1, N+M, N-to-1 and N-to-N." msgstr "Pacemaker nu face nici un fel de presupuneri despre mediul vostru, acest aspect îi permite să suporte practic orice configuraţie redundantă incluzând Activ/Activ, Activ/Pasiv, N+1, N+M, N-la-1 şi N-la-N." #. Tag: title #, no-c-format msgid "Active/Passive Redundancy" msgstr "Redundanţă Activă/Pasivă" #. Tag: para #, no-c-format msgid "Two-node Active/Passive clusters using Pacemaker and DRBD are a cost-effective solution for many High Availability situations." msgstr "Clusterele Active/Pasive formate din două noduri care folosesc Pacemaker şi DRBD sunt o soluţie eficientă d.p.d.v. al costului pentru multe situaţii de High Availability." #. Tag: title #, no-c-format msgid "Shared Failover" msgstr "Failover Partajat" #. Tag: para #, no-c-format msgid "By supporting many nodes, Pacemaker can dramatically reduce hardware costs by allowing several active/passive clusters to be combined and share a common backup node" msgstr "Prin suportarea de multe noduri, Pacemaker poate reduce costurile hardware în mod dramatic permiţând mai multor clustere active/pasive să fie combinate şi să împartă un nod comun de backup" #. Tag: title #, no-c-format msgid "N to N Redundancy" msgstr "Redundanţă N la N" #. Tag: para #, no-c-format msgid "When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload." msgstr "Când un mediu de stocare partajat este disponibil, fiecare nod poate fi folosit în mod potenţial pentru failover. Pacemaker poate chiar rula mai multe copii ale serviciilor pentru a distribui sarcina de lucru." #. Tag: title #, no-c-format msgid "Pacemaker Architecture" msgstr "Arhitectura Pacemaker" #. Tag: para #, no-c-format msgid "At the highest level, the cluster is made up of three pieces:" msgstr "La cel mai înalt nivel, clusterul este compus din trei părţi:" #. Tag: para #, no-c-format msgid "Core cluster infrastructure providing messaging and membership functionality (illustrated in red)" msgstr "Nucleul infrastructurii de cluster care furnizează funcţionalitatea de mesagerie şi apartenenţă (ilustrată cu roşu)" #. Tag: para #, no-c-format msgid "Non-cluster aware components (illustrated in green)." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In a Pacemaker cluster, these pieces include not only the scripts that knows how to start, stop and monitor resources, but also a local daemon that masks the differences between the different standards these scripts implement." msgstr "Componente fără apartenenţă la cluster (ilustrate în albastru). Într-un cluster Pacemaker, aceste părţi includ nu numai scripturile care ştiu să pornească, oprească şi să monitorizeze resurse, dar şi un daemon local care maschează diferenţele între standardele diferite pe care aceste scripturi le implementează." #. Tag: para #, no-c-format msgid "A brain (illustrated in blue)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This component processes and reacts to events from the cluster (nodes leaving or joining) and resources (eg. monitor failures) as well as configuration changes from the administrator. In response to all of these events, Pacemaker will compute the ideal state of the cluster and plot a path to achieve it. This may include moving resources, stopping nodes and even forcing nodes offline with remote power switches." msgstr "Un creier (ilustrat cu verde) care procesează şi reacţionează la evenimente din partea clusterului (noduri care pleacă sau se alătură) şi a resurselor (ex. eşecuri de monitorizare) la fel ca şi la schimbări de configuraţie din partea administratorului. Ca răspuns la aceste evenimente, Pacemaker va calcula starea ideală a clusterului şi va cartografia o cale de a atinge ţelul. Acest lucru ar putea include mutarea resurselor, oprirea nodurilor sau chiar oprirea acestora forţat cu switch-uri de curent la distanţă." #. Tag: title #, no-c-format msgid "Conceptual Stack Overview" msgstr "Vedere Conceptuală a Stivei" #. Tag: title #, no-c-format msgid "Conceptual overview of the cluster stack" msgstr "Vederea conceptuală a stivei de cluster" #. Tag: para #, no-c-format msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems. footnote:[ Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they’re standardizing on." msgstr "" #. Tag: para #, no-c-format msgid "Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. ]" msgstr "" #. Tag: para #, no-c-format msgid "Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." msgstr "" #. Tag: title #, no-c-format msgid "The Pacemaker stack when running on Corosync" msgstr "Stiva Pacemaker atunci când rulează pe Corosync" #. Tag: title #, no-c-format msgid "Internal Components" msgstr "Componente Interne" #. Tag: para #, no-c-format msgid "Pacemaker itself is composed of four key components (illustrated below in the same color scheme as the previous diagram):" msgstr "Pacemaker însuşi este compus din patru componente cheie (ilustrate mai jos cu aceeaşi schemă de culori ca şi în diagrama anterioară):" #. Tag: para #, no-c-format msgid "CIB (aka. Cluster Information Base)" msgstr "CIB (Cluster Information Base)" #. Tag: para #, no-c-format msgid "CRMd (aka. Cluster Resource Management daemon)" msgstr "CRMd (aka. Cluster Resource Management daemon)" #. Tag: para #, no-c-format msgid "PEngine (aka. PE or Policy Engine)" msgstr "PEngine (aka. PE sau Policy Engine)" #. Tag: para #, no-c-format msgid "STONITHd" msgstr "STONITHd" #. Tag: title #, no-c-format msgid "Subsystems of a Pacemaker cluster" msgstr "Subsisteme ale unui cluster Pacemaker rulând pe Corosync" #. Tag: para #, fuzzy, no-c-format msgid "The CIB uses XML to represent both the cluster’s configuration and current state of all resources in the cluster. The contents of the CIB are automatically kept in sync across the entire cluster and are used by the PEngine to compute the ideal state of the cluster and how it should be achieved." msgstr "CIB-ul foloseşte XML pentru a reprezenta atât configuraţia clusterului cât şi starea curentă a tuturor resurselor din cluster. Conţinutul CIB-ului este ţinut sincronizat în mod automat pe tot clusterul şi este folosit de către PEngine pentru a calcula starea ideală a clusterului şi de a arăta cum poate fi atinsă." #. Tag: para #, fuzzy, no-c-format msgid "This list of instructions is then fed to the DC (Designated Controller). Pacemaker centralizes all cluster decision making by electing one of the CRMd instances to act as a master. Should the elected CRMd process (or the node it is on) fail… a new one is quickly established." msgstr "Această listă de instrucţiuni este apoi furnizată către DC (Designated Controller). Pacemaker centralizează toate deciziile clusterului prin alegerea uneia dintre instanţele de CRMd pentru a se comporta ca master. Dacă procesul ales de CRMd (sau nodul pe care se află acesta) eşuează ... unul nou este stabilit repede." #. Tag: para #, fuzzy, no-c-format msgid "The DC carries out PEngine’s instructions in the required order by passing them to either the LRMd (Local Resource Management daemon) or CRMd peers on other nodes via the cluster messaging infrastructure (which in turn passes them on to their LRMd process)." msgstr "DC-ul îndeplineşte instrucţiunile PEngine-ului în ordinea necesară prin pasarea acestora fie către LRMd (Local Resource Managemen daemon) fie altor noduri pe care rulează CRMd prin infrastructura de mesagerie a clusterului (care la rândul ei le pasează către procesul lor LRMd)." #. Tag: para #, no-c-format msgid "The peer nodes all report the results of their operations back to the DC and, based on the expected and actual results, will either execute any actions that needed to wait for the previous one to complete, or abort processing and ask the PEngine to recalculate the ideal cluster state based on the unexpected results." msgstr "Nodurile vecine raportează toate rezultatele operaţiunilor înapoi către DC şi pe baza rezultatelor aşteptate şi a rezultatelor actuale, fie va executa acţiuni care necesitau să aştepte ca şi cele anterioare să termine, sau va anula procesarea şi va ruga PEngine-ul să recalculeze starea ideală a clusterului pe baza rezultatelor neaşteptate." #. Tag: para #, no-c-format msgid "In some cases, it may be necessary to power off nodes in order to protect shared data or complete resource recovery. For this Pacemaker comes with STONITHd." msgstr "" #. Tag: para #, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and is usually implemented with a remote power switch." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "In Pacemaker, STONITH devices are modeled as resources (and configured in the CIB) to enable them to be easily monitored for failure, however STONITHd takes care of understanding the STONITH topology such that its clients simply request a node be fenced and it does the rest." msgstr "În anumite cazuri, ar putea fi necesar să oprească alimentarea nodurilor pentru a proteja datele partajate sau pentru a termina recuperarea de resurse. Pentru acest lucru Pacemaker vine cu STONITHd. STONITH este un acronim pentru Shoot-The-Other-Node-In-The-Head (împuşcă celălalt nod în cap) şi este implementat de obicei cu un switch de alimentare cu curent controlat de la distanţă. În Pacemaker, dispozitivele STONITH sunt modelate precum resursele (şi configurate în CIB) pentru a permite monitorizarea facilă a acestora în caz de eşec, totuşi STONITHd se ocupă de înţelegerea topologiei STONITH astfel încât clienţii acestuia să solicite pur şi simplu ca un nod să fie evacuat şi acesta se va ocupa de rest." #~ msgid "Unified, scriptable, cluster shell" #~ msgstr "Shell de cluster unificat, scriptabil" #~ msgid "When combined with Corosync, Pacemaker also supports popular open source cluster filesystems Even though Pacemaker also supports Heartbeat, the filesystems need to use the stack for messaging and membership and Corosync seems to be what they're standardizing on. Technically it would be possible for them to support Heartbeat as well, however there seems little interest in this. . Due to recent standardization within the cluster filesystem community, they make use of a common distributed lock manager which makes use of Corosync for its messaging capabilities and Pacemaker for its membership (which nodes are up/down) and fencing services." #~ msgstr "În combinaţie cu Corosync, Pacemaker suportă de asemenea sistemele de fişiere de cluster open source populare Deşi Pacemaker suportă şi Heartbeat, sistemele de fişiere care trebuie să folosească stiva pentru mesagerie şi apartenenţă şi Corosync pare să fie ţinta standardizării. Tehnic vorbind ar fi posibil ca acestea să suporte Heartbeat de asemenea, însă există puţin interes pentru acest aspect. . Datorită standardizării recente dinăuntrul comunităţii de sisteme de fişiere de cluster, acestea folosesc un manager de blocare distribuit care foloseşte la rândul său Corosync pentru capabilităţile acestuia de mesagerie şi Pacemaker pentru apartenenţă (care noduri sunt funcţionale şi care nu) şi pentru servicii de evacuare forțată." #~ msgid "The Pacemaker Stack" #~ msgstr "Stiva Pacemaker" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Nodes.po000066400000000000000000000430361217637305600236430ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Nodes" msgstr "Nodurile Clusterului" #. Tag: title #, no-c-format msgid "Defining a Cluster Node" msgstr "Definirea unui Nod de Cluster" #. Tag: para #, no-c-format msgid "Each node in the cluster will have an entry in the nodes section containing its UUID, uname, and type." msgstr "Fiecare nod în cluster va avea o intrare în secţiunea de noduri conţinând UUID-ul, uname-ul şi tipul acestuia." #. Tag: title #, no-c-format msgid "Example cluster node entry" msgstr "Exemplu de intrare de nod de cluster" #. Tag: programlisting #, fuzzy, no-c-format msgid "<node id=\"1186dc9a-324d-425a-966e-d757e693dc86\" uname=\"pcmk-1\" type=\"normal\"/>" msgstr "" "<node id=\"1186dc9a-324d-425a-966e-d757e693dc86\" uname=\"pcmk-1\" type=\"normal\"/>\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "In normal circumstances, the admin should let the cluster populate this information automatically from the communications and membership data. However one can use the crm_uuid tool to read an existing UUID or define a value before the cluster starts." msgstr "În circumstanţe normale, admin-ul ar trebui să lase clusterul să populeze această informaţie în mod automat din datele de comunicare şi apartenenţă. Totuşi cineva poate folosi utilitarul crm_uuid pentru a citi un UUID existent sau pentru a defini o valoare înainte să pornească clusterul." #. Tag: title #, no-c-format msgid "Describing a Cluster Node" msgstr "Descrierea unui Nod de Cluster" #. Tag: para #, fuzzy, no-c-format msgid " Nodeattribute attribute Beyond the basic definition of a node the administrator can also describe the node’s attributes, such as how much RAM, disk, what OS or kernel version it has, perhaps even its physical location. This information can then be used by the cluster when deciding where to place resources. For more information on the use of node attributes, see ." msgstr "Dincolo de definiţia de bază a unui nod, administratorul poate descrie de asemenea şi atributele nodului, cum ar fi cât de mult RAM, disc are, care OS sau versiune de kernel are, poate chiar şi locaţia fizică. Această informaţie poate fi utilizată mai apoi de către cluster când va decide unde să plaseze resursele. Pentru mai multe informaţii referitoare la folosirea atributelor nodului, vedeţi secţiunea despre ." #. Tag: para #, fuzzy, no-c-format msgid "Node attributes can be specified ahead of time or populated later, when the cluster is running, using crm_attribute." msgstr "Atributele nodului pot fi specificate în avans sau populate ulterior, când clusterul rulează, folosind crm_attribute." #. Tag: para #, fuzzy, no-c-format msgid "Below is what the node’s definition would look like if the admin ran the command:" msgstr "Mai jos este prezentat cum ar arăta definiţia nodului dacă administratorul ar executa comanda:" #. Tag: title #, no-c-format msgid "The result of using crm_attribute to specify which kernel pcmk-1 is running" msgstr "Rezultatul folosirii crm_attribute pentru a specifica pe ce kernel rulează pcmk-1" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r`" msgstr " crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<node uname=\"pcmk-1\" type=\"normal\" id=\"1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <instance_attributes id=\"nodes-1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <nvpair id=\"kernel-1186dc9a-324d-425a-966e-d757e693dc86\" name=\"kernel\" value=\"2.6.16.46-0.4-default\"/>\n" " </instance_attributes>\n" "</node>" msgstr "" "crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --attr-value `uname -r` \n" "\n" " <node uname=\"pcmk-1\" type=\"normal\" id=\"1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <instance_attributes id=\"nodes-1186dc9a-324d-425a-966e-d757e693dc86\">\n" " <nvpair id=\"kernel-1186dc9a-324d-425a-966e-d757e693dc86\" name=\"kernel\" value=\"2.6.16.46-0.4-default\"/>\n" " </instance_attributes>\n" " </node> " #. Tag: para #, fuzzy, no-c-format msgid "A simpler way to determine the current value of an attribute is to use crm_attribute command again:" msgstr "O metodă mai simplă de a determina valoarea curentă a unui atribut este de a folosi comanda crm_attribute din nou:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" msgstr " crm_attribute --type nodes --node-uname pcmk-1 --attr-name kernel --get-value" #. Tag: para #, fuzzy, no-c-format msgid "By specifying --type nodes the admin tells the cluster that this attribute is persistent. There are also transient attributes which are kept in the status section which are \"forgotten\" whenever the node rejoins the cluster. The cluster uses this area to store a record of how many times a resource has failed on that node but administrators can also read and write to this section by specifying --type status." msgstr "Prin specificarea --type noduri administratorul îi spune clusterului că acest atribut este persistent. Există de asemenea atribute tranzitive care sunt păstrate în secţiunea de status şi care sunt \"uitate\" oricând nodul se realătură clusterului. Clusterul foloseşte această zonă pentru a stoca o înregistrare despre de câte ori a eşuat o resursă pe acel nod însâ administratorii pot citi şi scrie în această secţiune prin specificarea a --type status." #. Tag: title #, no-c-format msgid "Adding a New Cluster Node" msgstr "Adăugarea unui Nou Nod în Cluster" #. Tag: title #, no-c-format msgid "Corosync" msgstr "Corosync" #. Tag: para #, fuzzy, no-c-format msgid " CorosyncAdd Cluster Node Add Cluster Node Add Cluster NodeCorosync Corosync Adding a new node is as simple as installing Corosync and Pacemaker, and copying /etc/corosync/corosync.conf and /etc/corosync/authkey (if it exists) from an existing node. You may need to modify the mcastaddr option to match the new node’s IP address." msgstr "Adăugarea unui nou nod este la fel de simplă ca instalarea Corosync şi Pacemaker şi copierea /etc/corosync/corosync.conf şi a /etc/corosync/authkey (dacă există) de pe un nod existent. Ar putea fi necesar să modificaţi opţiunea mcastaddr pentru a se potrivi cu adresa IP a noului nod." #. Tag: para #, no-c-format msgid "If a log message containing \"Invalid digest\" appears from Corosync, the keys are not consistent between the machines." msgstr "Dacă apare în log-uri un mesaj de la Corosync conţinând \"Invalid digest\", cheile nu sunt consistente între maşini." #. Tag: title #, no-c-format msgid "Heartbeat" msgstr "Heartbeat" #. Tag: para #, no-c-format msgid " HeartbeatAdd Cluster Node Add Cluster Node Add Cluster NodeHeartbeat Heartbeat Provided you specified autojoin any in ha.cf, adding a new node is as simple as installing heartbeat and copying ha.cf and authkeys from an existing node." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "If you don’t want to use autojoin, then after setting up ha.cf and authkeys, you must use the hb_addnode command before starting the new node." msgstr "În caz contrar, după setarea ha.cf şi a authkeys, trebuie să folosiţi comanda hb_addnode înainte de a porni noul nod." #. Tag: title #, no-c-format msgid "Removing a Cluster Node" msgstr "Înlăturarea unui Nod din Cluster" #. Tag: para #, fuzzy, no-c-format msgid " CorosyncRemove Cluster Node Remove Cluster Node Remove Cluster NodeCorosync Corosync Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution. First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below)." msgstr "Datorită faptului că straturile de mesagerie şi apartenenţă sunt surse autoritative pentru nodurile clusterului, ştergerea acestoa din CIB nu este o soluţie de încredere. Întâi cineva trebuie să facă astfel încât heartbeat să uite de nod (pcmk-1 în exemplul de mai jos)." #. Tag: para #, no-c-format msgid "On the host to be removed:" msgstr "Pe gazda care va fi înlăturată:" #. Tag: para #, fuzzy, no-c-format msgid "Find and record the node’s Corosync id: crm_node -i" msgstr "Găsiţi şi înregistraţi id-ul Corosync al nodului: crm_node -i" #. Tag: para #, fuzzy, no-c-format msgid "Stop the cluster: /etc/init.d/corosync stop" msgstr "Opriţi clusterul: /etc/init.d/corosync stop" #. Tag: para #, no-c-format msgid "Next, from one of the remaining active cluster nodes:" msgstr "Ulterior, de pe unul din nodurile rămase active ale clusterului:" #. Tag: para #, no-c-format msgid "Tell the cluster to forget about the removed host:" msgstr "" #. Tag: programlisting #, no-c-format msgid "# crm_node -R $COROSYNC_ID" msgstr "" #. Tag: para #, no-c-format msgid "Only now is it safe to delete the node from the CIB with:" msgstr "Doar acum este în siguranţă să ştergeţi nodul din CIB cu:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"_pcmk-1_\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"_pcmk-1_\"/>'" msgstr "" "cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" "\tcibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" #. Tag: para #, no-c-format msgid " HeartbeatRemove Cluster Node Remove Cluster Node Remove Cluster NodeHeartbeat Heartbeat Because the messaging and membership layers are the authoritative source for cluster nodes, deleting them from the CIB is not a reliable solution." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "First one must arrange for heartbeat to forget about the node (pcmk-1 in the example below). To do this, shut down heartbeat on the node and then, from one of the remaining active cluster nodes, run:" msgstr "Datorită faptului că straturile de mesagerie şi apartenenţă sunt surse autoritative pentru nodurile clusterului, ştergerea acestoa din CIB nu este o soluţie de încredere. Întâi cineva trebuie să facă astfel încât heartbeat să uite de nod (pcmk-1 în exemplul de mai jos). Pentru a realiza acest lucru, opriţi heartbeat pe nod şi apoi, de pe unul din nodurile rămase active în cluster, rulaţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# hb_delnode pcmk-1" msgstr "hb_delnode pcmk-1" #. Tag: para #, no-c-format msgid "Only then is it safe to delete the node from the CIB with:" msgstr "Doar acum este în siguranţă să ştergeţi nodul din CIB cu:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" "# cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" msgstr "" "cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" "\tcibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" #. Tag: title #, no-c-format msgid "Replacing a Cluster Node" msgstr "Înlocuirea unui Nod din Cluster" #. Tag: para #, no-c-format msgid " CorosyncReplace Cluster Node Replace Cluster Node Replace Cluster NodeCorosync Corosync The five-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Make sure the old node is completely stopped" msgstr "Asiguraţi-vă că nodul vechi este oprit de tot." #. Tag: para #, no-c-format msgid "Give the new machine the same hostname and IP address as the old one" msgstr "Daţi maşinii noi acelaşi hostname şi adresă IP ca celei vechi" #. Tag: para #, no-c-format msgid "Install the cluster software :-)" msgstr "Instalaţi soft-ul de cluster :-)" #. Tag: para #, fuzzy, no-c-format msgid "Copy /etc/corosync/corosync.conf and /etc/corosync/authkey (if it exists) to the new node" msgstr "Copiaţi /etc/corosync/corosync.conf şi /etc/corosync/authkey (dacă există) pe nodul nou" #. Tag: para #, no-c-format msgid "Start the new cluster node" msgstr "Porniţi noul nod în cluster" #. Tag: para #, no-c-format msgid " HeartbeatReplace Cluster Node Replace Cluster Node Replace Cluster NodeHeartbeat Heartbeat The seven-step guide to replacing an existing cluster node:" msgstr "" #. Tag: para #, no-c-format msgid "Give the new machine the same hostname as the old one" msgstr "Daţi maşinii noi acelaşi hostname ca şi celei vechi" #. Tag: para #, fuzzy, no-c-format msgid "Go to an active cluster node and look up the UUID for the old node in /var/lib/heartbeat/hostcache" msgstr "Mergeţi pe un nod activ din cluster şi căutaţi UUID-ul nodului vechi în /var/lib/heartbeat/hostcache" #. Tag: para #, no-c-format msgid "Install the cluster software" msgstr "Instalaţi soft-ul de cluster" #. Tag: para #, fuzzy, no-c-format msgid "Copy ha.cf and authkeys to the new node" msgstr "Copiaţi /etc/corosync/corosync.conf şi /etc/corosync/authkey (dacă există) pe nodul nou" #. Tag: para #, fuzzy, no-c-format msgid "On the new node, populate it’s UUID using crm_uuid -w and the UUID from step 2" msgstr "Pe nodul nou, populaţi UUID-ul acestuia folosind crm_uuid -w şi UUID-ul prelevat de la pasul 2" #~ msgid "Provided you specified autojoin any in ha.cf, adding a new node is as simple as installing heartbeat and copying ha.cf and authkeys from an existing node." #~ msgstr "Dacă aţi specificat autojoin any în ha.cf, adăugarea unui nod nou este la fel de simpla ca şi instalarea Heartbeat şi copierea ha.cf şi a authkeys de pe un nod existent." #~ msgid "Tell the cluster to forget about the removed host: crm_node -R COROSYNC_ID" #~ msgstr "Comunicaţi clusterului să uite despre gazda înlăturată: crm_node -R COROSYNC_ID" #~ msgid "" #~ "cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" #~ "\t cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" #~ msgstr "" #~ "cibadmin --delete --obj_type nodes --crm_xml '<node uname=\"pcmk-1\"/>'\n" #~ "\t cibadmin --delete --obj_type status --crm_xml '<node_state uname=\"pcmk-1\"/>'" #~ msgid "The five-step guide to replacing an existing cluster node:" #~ msgstr "Ghidul în cinci paşi pentru înlocuirea unui nod existent din cluster:" #~ msgid "The seven-step guide to replacing an existing cluster node:" #~ msgstr "Ghidul în şapte paşi pentru înlocuirea unui nod existent din cluster" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Options.po000066400000000000000000001377641217637305600242420ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Options" msgstr "Opţiunile Clusterului" #. Tag: title #, fuzzy, no-c-format msgid "Special Options" msgstr "Descriere" #. Tag: para #, no-c-format msgid "The reason for these fields to be placed at the top level instead of with the rest of cluster options is simply a matter of parsing. These options are used by the configuration database which is, by design, mostly ignorant of the content it holds. So the decision was made to place them in an easy to find location." msgstr "Motivul pentru care aceste câmpuri să fie plasate la nivelul cel mai înalt în loc să fie cu restul opţiunilor clusterului este pur şi simplu legat de parsare. Aceste opţiuni sunt folosite de către baza de date cu configuraţii care este, prin design, în principal ignorantă faţă de conţinutul pe care îl deţine. Aşa că decizia a fost luată de a le plasa într-o locaţie uşor de găsit." #. Tag: title #, fuzzy, no-c-format msgid "Configuration Version" msgstr "Proprietăţi ale Versiunii Configuraţiei" #. Tag: para #, fuzzy, no-c-format msgid " Configuration VersionCluster Cluster ClusterOptionConfiguration Version OptionConfiguration Version Configuration Version " msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "When a node joins the cluster, the cluster will perform a check to see who has the best configuration based on the fields below. It then asks the node with the highest (admin_epoch, epoch, num_updates) tuple to replace the configuration on all the nodes - which makes setting them, and setting them correctly, very important." msgstr "Când un nod aderă la cluster, clusterul va efectua o verificare pentru a vedea cine are cea mai bună configuraţie bazată pe câmpurile de mai jos. Apoi întreabă nodul cu cea mai mare tuplă (admin_epoch, epoch, num_updates) să înlocuiască configuraţia pe toate nodurile - fapt care face setarea acestora şi setarea lor corectă, foarte importantă." #. Tag: title #, no-c-format msgid "Configuration Version Properties" msgstr "Proprietăţi ale Versiunii Configuraţiei" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, no-c-format msgid "admin_epoch" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " admin_epochCluster Option Cluster Option ClusterOptionadmin_epoch Optionadmin_epoch admin_epoch Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete." msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "Never set this value to zero, in such cases the cluster cannot tell the difference between your configuration and the \"empty\" one used when nothing is found on disk." msgstr "Nu setaţi niciodată această valoare la zero, în astfel de cazuri clusterul nu poate face diferenţa între configuraţia voastră şi cea \"goală\" folosită atunci când nu este găsit nimic pe disc." #. Tag: para #, no-c-format msgid "epoch" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " epochCluster Option Cluster Option ClusterOptionepoch Optionepoch epoch Incremented every time the configuration is updated (usually by the admin)" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "num_updates" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " num_updatesCluster Option Cluster Option ClusterOptionnum_updates Optionnum_updates num_updates Incremented every time the configuration or status is updated (usually by the cluster)" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: title #, no-c-format msgid "Other Fields" msgstr "Alte Câmpuri" #. Tag: title #, no-c-format msgid "Properties Controlling Validation" msgstr "Proprietăţi care Controlează Validarea" #. Tag: para #, no-c-format msgid "validate-with" msgstr "" #. Tag: para #, no-c-format msgid " validate-withCluster Option Cluster Option ClusterOptionvalidate-with Optionvalidate-with validate-with Determines the type of validation being done on the configuration. If set to \"none\", the cluster will not verify that updates conform to the DTD (nor reject ones that don’t). This option can be useful when operating a mixed version cluster during an upgrade." msgstr "" #. Tag: title #, no-c-format msgid "Fields Maintained by the Cluster" msgstr "Câmpuri Menţinute de către Cluster" #. Tag: title #, no-c-format msgid "Properties Maintained by the Cluster" msgstr "Proprietăţi Menţinute de către Cluster" #. Tag: para #, no-c-format msgid "cib-last-written" msgstr "" #. Tag: para #, no-c-format msgid " cib-last-writtenCluster Property Cluster Property ClusterPropertycib-last-written Propertycib-last-written cib-last-written Indicates when the configuration was last written to disk. Informational purposes only." msgstr "" #. Tag: para #, no-c-format msgid "dc-uuid" msgstr "" #. Tag: para #, no-c-format msgid " dc-uuidCluster Property Cluster Property ClusterPropertydc-uuid Propertydc-uuid dc-uuid Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events." msgstr "" #. Tag: para #, no-c-format msgid "have-quorum" msgstr "" #. Tag: para #, no-c-format msgid " have-quorumCluster Property Cluster Property ClusterPropertyhave-quorum Propertyhave-quorum have-quorum Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See no-quorum-policy below." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Note that although these fields can be written to by the admin, in most cases the cluster will overwrite any values specified by the admin with the \"correct\" ones. To change the admin_epoch, for example, one would use:" msgstr "Luaţi aminte că deşi aceste câmpuri pot fi scrise de către administrator, în majoritatea cazurilor clusterul va suprascrie orice valoare specificată de către administrator cu cele \"corecte\". Pentru a schimba admin_epoch de exemplu, cineva ar putea folosi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin --modify --crm_xml '<cib admin_epoch=\"42\"/>'" msgstr "cibadmin --modify --crm_xml ‘<cib admin_epoch=\"42\"/>'" #. Tag: para #, no-c-format msgid "A complete set of fields will look something like this:" msgstr "Un set complet de câmpuri ar arăta ceva de genul acesta:" #. Tag: title #, no-c-format msgid "An example of the fields set for a cib object" msgstr "Un exemplu al câmpurilor setate pentru un obiect CIB" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<cib have-quorum=\"true\" validate-with=\"pacemaker-1.0\"\n" " admin_epoch=\"1\" epoch=\"12\" num_updates=\"65\"\n" " dc-uuid=\"ea7d39f4-3b94-4cfa-ba7a-952956daabee\">" msgstr "" "<cib have-quorum=\"true\" validate-with=\"pacemaker-1.0\"\n" " admin_epoch=\"1\" epoch=\"12\" num_updates=\"65\"\n" " dc-uuid=\"ea7d39f4-3b94-4cfa-ba7a-952956daabee\"> \n" "\t " #. Tag: para #, no-c-format msgid "Cluster options, as you might expect, control how the cluster behaves when confronted with certain situations." msgstr "Opţiunile clusterului, aşa cum v-aţi aştepta, controlează cum se comportă clusterul când se confruntă cu anumite situaţii." #. Tag: para #, fuzzy, no-c-format msgid "They are grouped into sets and, in advanced configurations, there may be more than one. This will be described later in the section on where we will show how to have the cluster use different sets of options during working hours (when downtime is usually to be avoided at all costs) than it does during the weekends (when resources can be moved to the their preferred hosts without bothering end users) For now we will describe the simple case where each option is present at most once." msgstr "Sunt grupate în seturi şi, în configuraţii avansate, ar putea fi mai mult de una Acest aspect va fi descris mai târziu în secţiunea despre unde vă vom arăta cum să punem clusterul să folosească diferite seturi de opţiuni în timpul orelor de lucru (când nefuncţionarea este de evitat cu orice preţ) faţă de cele folosite în timpul weekend-urilor (când resursele pot fi mutate pe gazdele preferate fără să deranjeze utilizatorii finali) . Momentan vom descrie cazul simplu în care fiecare opţiune este prezentă cel mult o dată." #. Tag: title #, no-c-format msgid "Available Cluster Options" msgstr "Opţiuni Disponibile ale Clusterului" #. Tag: entry #, no-c-format msgid "Option" msgstr "Opţiune" #. Tag: entry #, no-c-format msgid "Default" msgstr "Valoare implicită" #. Tag: para #, no-c-format msgid "batch-limit" msgstr "" #. Tag: para #, no-c-format msgid "30" msgstr "30" #. Tag: para #, no-c-format msgid " batch-limitCluster Option Cluster Option ClusterOptionbatch-limit Optionbatch-limit batch-limit The number of jobs that the TE is allowed to execute in parallel. The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, no-c-format msgid "migration-limit" msgstr "" #. Tag: para #, no-c-format msgid "-1 (unlimited)" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " migration-limitCluster Option Cluster Option ClusterOptionmigration-limit Optionmigration-limit migration-limit The number of migration jobs that the TE is allowed to execute in parallel on a node." msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "no-quorum-policy" msgstr "" #. Tag: para #, no-c-format msgid "stop" msgstr "stop" #. Tag: para #, fuzzy, no-c-format msgid " no-quorum-policyCluster Option Cluster Option ClusterOptionno-quorum-policy Optionno-quorum-policy no-quorum-policy What to do when the cluster does not have quorum. Allowed values:" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "* ignore - continue all resource management" msgstr "ignore - continuă toată gestionarea resurselor" #. Tag: para #, fuzzy, no-c-format msgid "* freeze - continue resource management, but don’t recover resources from nodes not in the affected partition" msgstr "freeze - continuă gestionarea resurselor, dar nu recupera resurse de pe noduri care nu sunt în partiţia afectată" #. Tag: para #, fuzzy, no-c-format msgid "* stop - stop all resources in the affected cluster partition" msgstr "stop - opreşte toate resursele în partiţia de cluster afectată" #. Tag: para #, fuzzy, no-c-format msgid "* suicide - fence all nodes in the affected cluster partition" msgstr "suicide - evacuează forțat toate nodurile din partiţia de cluster afectată" #. Tag: para #, no-c-format msgid "symmetric-cluster" msgstr "" #. Tag: para #, no-c-format msgid "TRUE" msgstr "TRUE" #. Tag: para #, fuzzy, no-c-format msgid " symmetric-clusterCluster Option Cluster Option ClusterOptionsymmetric-cluster Optionsymmetric-cluster symmetric-cluster Can all resources run on any node by default?" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "stonith-enabled" msgstr "" #. Tag: para #, no-c-format msgid " stonith-enabledCluster Option Cluster Option ClusterOptionstonith-enabled Optionstonith-enabled stonith-enabled Should failed nodes and nodes with resources that can’t be stopped be shot? If you value your data, set up a STONITH device and enable this." msgstr "" #. Tag: para #, no-c-format msgid "If true, or unset, the cluster will refuse to start resources unless one or more STONITH resources have been configured also." msgstr "Dacă este true, sau nu este setată, clusterul va refuza să pornească resurse decât dacă unul sau mai multe dispozitive STONITH au fost configurate de asemenea." #. Tag: para #, no-c-format msgid "stonith-action" msgstr "" #. Tag: para #, no-c-format msgid "reboot" msgstr "reboot" #. Tag: para #, no-c-format msgid " stonith-actionCluster Option Cluster Option ClusterOptionstonith-action Optionstonith-action stonith-action Action to send to STONITH device. Allowed values: reboot, off. The value poweroff is also allowed, but is only used for legacy devices." msgstr "" #. Tag: para #, no-c-format msgid "cluster-delay" msgstr "" #. Tag: para #, no-c-format msgid "60s" msgstr "60s" #. Tag: para #, no-c-format msgid " cluster-delayCluster Option Cluster Option ClusterOptioncluster-delay Optioncluster-delay cluster-delay Round trip delay over the network (excluding action execution). The \"correct\" value will depend on the speed and load of your network and cluster nodes." msgstr "" #. Tag: para #, no-c-format msgid "stop-orphan-resources" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " stop-orphan-resourcesCluster Option Cluster Option ClusterOptionstop-orphan-resources Optionstop-orphan-resources stop-orphan-resources Should deleted resources be stopped?" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "stop-orphan-actions" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " stop-orphan-actionsCluster Option Cluster Option ClusterOptionstop-orphan-actions Optionstop-orphan-actions stop-orphan-actions Should deleted actions be cancelled?" msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "start-failure-is-fatal" msgstr "" #. Tag: para #, no-c-format msgid " start-failure-is-fatalCluster Option Cluster Option ClusterOptionstart-failure-is-fatal Optionstart-failure-is-fatal start-failure-is-fatal When set to FALSE, the cluster will instead use the resource’s failcount and value for resource-failure-stickiness." msgstr "" #. Tag: para #, no-c-format msgid "pe-error-series-max" msgstr "" #. Tag: para #, no-c-format msgid "-1 (all)" msgstr "-1 (all)" #. Tag: para #, fuzzy, no-c-format msgid " pe-error-series-maxCluster Option Cluster Option ClusterOptionpe-error-series-max Optionpe-error-series-max pe-error-series-max The number of PE inputs resulting in ERRORs to save. Used when reporting problems." msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "pe-warn-series-max" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " pe-warn-series-maxCluster Option Cluster Option ClusterOptionpe-warn-series-max Optionpe-warn-series-max pe-warn-series-max The number of PE inputs resulting in WARNINGs to save. Used when reporting problems." msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, no-c-format msgid "pe-input-series-max" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " pe-input-series-maxCluster Option Cluster Option ClusterOptionpe-input-series-max Optionpe-input-series-max pe-input-series-max The number of \"normal\" PE inputs to save. Used when reporting problems." msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "You can always obtain an up-to-date list of cluster options, including their default values, by running the pengine metadata command." msgstr "Puteţi întotdeauna să obţineţi o listă actualizată a opţiunilor clusterului, incluzând valorile implicite ale acestora, prin rularea comenzii pengine metadata." #. Tag: title #, fuzzy, no-c-format msgid "Querying and Setting Cluster Options" msgstr "Opţiuni Disponibile ale Clusterului" #. Tag: para #, fuzzy, no-c-format msgid " QueryingCluster Option Cluster Option SettingCluster Option Cluster Option ClusterQuerying Options Querying Options ClusterSetting Options Setting Options " msgstr "Interogarea Opțiunilor Clusterului Setarea Opțiunilor Clusterului Opțiunile ClusteruluiInterogarea Opțiunilor ClusteruluiSetarea Interogarea și Setarea Opțiunilor Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "Cluster options can be queried and modified using the crm_attribute tool. To get the current value of cluster-delay, simply use:" msgstr "Opţiunile clusterului pot fi interogate şi modificate folosind utilitarul crm_attribute. Pentru a obţine valoarea curentă a cluster-delay, pur şi simplu folosiţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --get-value" msgstr "crm_attribute --attr-name cluster-delay --get-value" #. Tag: para #, no-c-format msgid "which is more simply written as" msgstr "care este scrisă mai simplu ca" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --get-value -n cluster-delay" msgstr "crm_attribute --get-value -n cluster-delay" #. Tag: para #, fuzzy, no-c-format msgid "If a value is found, you’ll see a result like this:" msgstr "Dacă o valoare este găsită, atunci veţi vedea un rezultat ca acesta" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --get-value -n cluster-delay\n" " name=cluster-delay value=60s" msgstr "" " # crm_attribute --get-value -n cluster-delay\n" " name=cluster-delay value=60s" #. Tag: para #, no-c-format msgid "However, if no value is found, the tool will display an error:" msgstr "Însă dacă nici o valoare nu este găsită, utilitarul va arăta o eroare:" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --get-value -n clusta-deway`\n" "name=clusta-deway value=(null)\n" "Error performing operation: The object/attribute does not exist" msgstr "" "# crm_attribute --get-value -n clusta-deway\n" " name=clusta-deway value=(null)\n" " Error performing operation: The object/attribute does not exist" #. Tag: para #, fuzzy, no-c-format msgid "To use a different value, eg. 30, simply run:" msgstr "Pentru a folosi o altă valoare, ex. , pur şi simplu rulaţi:" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --attr-value 30s" msgstr "crm_attribute --attr-name cluster-delay --attr-value 30s" #. Tag: para #, fuzzy, no-c-format msgid "To go back to the cluster’s default value you can delete the value, for example with this command:" msgstr "Pentru a reveni la valoarea implicită a clusterului puteţi ştergeţi valoarea, de exemplu cu această comandă: " #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --attr-name cluster-delay --delete-attr" msgstr "crm_attribute --attr-name cluster-delay --delete-attr" #. Tag: title #, no-c-format msgid "When Options are Listed More Than Once" msgstr "Când Opţiunile sunt Listate Mai Mult De O Dată" #. Tag: para #, fuzzy, no-c-format msgid "If you ever see something like the following, it means that the option you’re modifying is present more than once." msgstr "Dacă vedeţi vreodată ceva precum următoarele, înseamnă că opţiunea pe care o modificaţi este prezentă mai mult de o dată." #. Tag: title #, no-c-format msgid "Deleting an option that is listed twice" msgstr "Ştergerea unei opţiuni care este listată de două ori" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_attribute --attr-name batch-limit --delete-attr\n" "\n" "Multiple attributes match name=batch-limit in crm_config:\n" "Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit)\n" "Value: 100 (set=custom, id=custom-batch-limit)\n" "Please choose from one of the matches above and supply the 'id' with --attr-id" msgstr "" "# crm_attribute --attr-name batch-limit --delete-attr\n" " Multiple attributes match name=batch-limit in crm_config:\n" " Value: 50 (set=cib-bootstrap-options, id=cib-bootstrap-options-batch-limit)\n" " Value: 100 (set=custom, id=custom-batch-limit)\n" " Please choose from one of the matches above and supply the 'id' with --attr-id" #. Tag: para #, fuzzy, no-c-format msgid "In such cases follow the on-screen instructions to perform the requested action. To determine which value is currently being used by the cluster, please refer to ." msgstr "În astfel de cazuri urmaţi instrucţiunile de pe ecran pentru a efectua acţiunea cerută. Pentru a determina care valoare este folosită în mod curent de către cluster, vă rugăm să faceţi referinţă la secţiunea despre ." #~ msgid "Special Cluster Options Cluster OptionsSpecial Options Special Options" #~ msgstr "Opțiunile Speciale ale Clusterului Opțiunile ClusteruluiOpțiuni Speciale Opțiuni Speciale" #~ msgid "Configuration Version, Cluster Option Cluster OptionsConfiguration Version Configuration Version" #~ msgstr "Versiunea Configurației, Opțiunea Clusterului Opțiunile ClusteruluiVersiunea Configurației Versiunea Configurației" #~ msgid "admin_epoch Cluster Option Cluster Optionsadmin_epoch admin_epoch" #~ msgstr "Opțiunea Clusterului admin_epoch Opțiunile Clusteruluiadmin_epoch admin_epoch" #~ msgid "Never modified by the cluster. Use this to make the configurations on any inactive nodes obsolete." #~ msgstr "Niciodată modificat de către cluster. Folosiţi acesta pentru a face configuraţiile pe nodurile inactive să fie învechite." #~ msgid "epoch Cluster Option Cluster Optionsepoch epoch" #~ msgstr "Opțiunea Clusterului epoch Opțiunile Clusteruluiepoch epoch" #~ msgid "Incremented every time the configuration is updated (usually by the admin)" #~ msgstr "Incrementată de fiecare dată când configuraţia este actualizată (de obicei de către administrator)" #~ msgid "num_updates Cluster Option Cluster Optionsnum_updates num_updates" #~ msgstr "Opțiunea Clusterului num_updates Opțiunile Clusteruluinum_updates num_updates" #~ msgid "Incremented every time the configuration or status is updated (usually by the cluster)" #~ msgstr "Incrementată de fiecare dată când configuraţia sau statusul este actualizat (de obicei de către cluster)" #~ msgid "validate-with Cluster Option Cluster Optionsvalidate-with validate-with" #~ msgstr "Opțiunea Clusterului validate-with Opțiunile Clusteruluivalidate-with validate-with" #~ msgid "Determines the type of validation being done on the configuration. If set to \"none\", the cluster will not verify that updates conform to the DTD (nor reject ones that don't). This option can be useful when operating a mixed version cluster during an upgrade." #~ msgstr "Determină tipul de validare care este realizat pe configuraţie. Dacă este setat pe \"none\", clusterul nu va verifica dacă actualizările sunt conforme cu DTD (nici nu le va respinge pe cele care nu sunt). Această opţiune poate fi utilă când lucraţi cu o versiune combinată a clusterului în timpul unei actualizări." #~ msgid "cib-last-written Cluster Fields Cluster Fieldscib-last-written cib-last-written" #~ msgstr "Câmpurile Clusterului cib-last-written Câmpurile Clusteruluicib-last-written cib-last-written" #~ msgid "Indicates when the configuration was last written to disk. Informational purposes only." #~ msgstr "Indică momentul când configuraţia a fost scrisă ultima oară pe disc. Numai cu scop informaţional." #~ msgid "dc-uuid Cluster Fields Cluster Fieldsdc-uuid dc-uuid" #~ msgstr "Câmpurile Clusterului dc-uuid Câmpurile Clusteruluidc-uuid dc-uuid" #~ msgid "Indicates which cluster node is the current leader. Used by the cluster when placing resources and determining the order of some events." #~ msgstr "Arată care dintre nodurile clusterului este conducătorul curent. Folosit de către cluster când plasează resurse şi determină ordinea anumitor evenimente." #~ msgid "have-quorum Cluster Fields Cluster Fieldshave-quorum have-quorum" #~ msgstr "Câmpurile Clusterului have-quorum Câmpurile Clusteruluihave-quorum have-quorum" #~ msgid "Indicates if the cluster has quorum. If false, this may mean that the cluster cannot start resources or fence other nodes. See no-quorum-policy below." #~ msgstr "Indică dacă clusterul are quorum. Dacă este fals, acest lucru ar putea însemna că, clusterul nu poate porni resurse sau evacua forțat alte noduri. Vedeţi no-quorum-policy mai jos." #~ msgid "batch-limit Cluster Options Cluster Optionsbatch-limit batch-limit" #~ msgstr "Opțiunea Clusterului batch-limit Opțiunile Clusteruluibatch-limit batch-limit" #~ msgid "The number of jobs that the TE is allowed to execute in parallel. The \"correct\" value will depend on the speed and load of your network and cluster nodes." #~ msgstr "Numărul de sarcini pe care TE-ul este permis să le execute în paralel. Valoarea \"corectă\" va depinde de viteza şi de încărcarea reţelei şi a nodurilor voastre din cluster." #~ msgid "no-quorum-policy Cluster Options Cluster Optionsno-quorum-policy no-quorum-policy" #~ msgstr "Opțiunea Clusterului no-quorum-policy Opțiunile Clusteruluino-quorum-policy no-quorum-policy" #~ msgid "What to do when the cluster does not have quorum. Allowed values:" #~ msgstr "Ce este de făcut atunci când clusterul nu are quorum. Valori permise:" #~ msgid "symmetric-cluster Cluster Options Cluster Optionssymmetric-cluster symmetric-cluster" #~ msgstr "Opțiunea Clusterului symmetric-cluster Opțiunile Clusteruluisymmetric-cluster symmetric-cluster" #~ msgid "Can all resources run on any node by default?" #~ msgstr "Pot rula toate resursele pe orice nod în mod implicit?" #~ msgid "stonith-enabled Cluster Options Cluster Optionsstonith-enabled stonith-enabled" #~ msgstr "Opțiunea Clusterului stonith-enabled Opțiunile Clusteruluistonith-enabled stonith-enabled" #~ msgid "Should failed nodes and nodes with resources that can't be stopped be shot? If you value your data, set up a STONITH device and enable this." #~ msgstr "Ar trebui nodurile care au eşuat şi nodurile cu resurse care nu pot fi oprite să fie împuşcate? Dacă ţineţi la datele voastre, setaţi un dispozitiv STONITH şi activaţi această opţiune." #~ msgid "stonith-action Cluster Options Cluster Optionsstonith-action stonith-action" #~ msgstr "Opțiunea Clusterului stonith-action Opțiunile Clusteruluistonith-action stonith-action" #~ msgid "Action to send to STONITH device. Allowed values: reboot, poweroff." #~ msgstr "Acţiunea care să fie trimisă către dispozitivul STONITH. Valori permise: reboot, poweroff." #~ msgid "cluster-delay Cluster Options Cluster Optionscluster-delay cluster-delay" #~ msgstr "Opțiunea Clusterului cluster-delay Opțiunile Clusteruluicluster-delay cluster-delay" #~ msgid "Round trip delay over the network (excluding action execution). The \"correct\" value will depend on the speed and load of your network and cluster nodes." #~ msgstr "Întârzierea dus-întors experimentată pe reţea (excluzând timpul necesar executării acţiunii). Valoarea \"corectă\" va depinde de viteza şi de nivelul de încărcare al reţelei şi al nodurilor voastre din cluster." #~ msgid "stop-orphan-resources Cluster Options Cluster Optionsstop-orphan-resources stop-orphan-resources" #~ msgstr "Opțiunea Clusterului stop-orphan-resources Opțiunile Clusteruluistop-orphan-resources stop-orphan-resources" #~ msgid "Should deleted resources be stopped?" #~ msgstr "Ar trebui să fie oprite resursele şterse?" #~ msgid "stop-orphan-actions Cluster Options Cluster Optionsstop-orphan-actions stop-orphan-actions" #~ msgstr "Opțiunea Clusterului stop-orphan-actions Opțiunile Clusteruluistop-orphan-actions stop-orphan-actions" #~ msgid "Should deleted actions be cancelled?" #~ msgstr "Ar trebui anulate acţiunile şterse?" #~ msgid "start-failure-is-fatal Cluster Options Cluster Optionsstart-failure-is-fatal start-failure-is-fatal" #~ msgstr "Opțiunea Clusterului start-failure-is-fatal Opțiunile Clusteruluistart-failure-is-fatal start-failure-is-fatal" #~ msgid "When set to FALSE, the cluster will instead use the resource's failcount and value for resource-failure-stickiness." #~ msgstr "Când este setat pe FALSE, clusterul va folosi în schimb failcount-ul şi valoarea resursei pentru resource-failure-stickiness." #~ msgid "pe-error-series-max Cluster Options Cluster Optionspe-error-series-max pe-error-series-max" #~ msgstr "Opțiunea Clusterului pe-error-series-max Opțiunile Clusteruluipe-error-series-max pe-error-series-max" #~ msgid "The number of PE inputs resulting in ERRORs to save. Used when reporting problems." #~ msgstr "Numărul de intrări PE care rezultă în ERROR(i) de a salva. Folosite când se raporteazâ probleme." #~ msgid "pe-warn-series-max Cluster Options Cluster Optionspe-warn-series-max pe-warn-series-max" #~ msgstr "Opțiunea Clusterului pe-warn-series-max Opțiunile Clusteruluipe-warn-series-max pe-warn-series-max" #~ msgid "The number of PE inputs resulting in WARNINGs to save. Used when reporting problems." #~ msgstr "Numărul de intrări PE care rezultă în WARNING-uri de a salva. Folosite când se raportează probleme." #~ msgid "pe-input-series-max Cluster Options Cluster Optionspe-input-series-max pe-input-series-max" #~ msgstr "Opțiunea Clusterului pe-input-series-max Opțiunile Clusteruluipe-input-series-max pe-input-series-max" #~ msgid "The number of \"normal\" PE inputs to save. Used when reporting problems." #~ msgstr "Numărul de intrări PE \"normale\" care să fie salvate. Folosite când se raportează probleme." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Resources.po000066400000000000000000002237561217637305600245560ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Cluster Resources" msgstr "Resursele Clusterului" #. Tag: title #, no-c-format msgid "What is a Cluster Resource" msgstr "Ce este o Resursă de Cluster" #. Tag: para #, fuzzy, no-c-format msgid " Resource " msgstr "id id" #. Tag: para #, fuzzy, no-c-format msgid "The role of a resource agent is to abstract the service it provides and present a consistent view to the cluster, which allows the cluster to be agnostic about the resources it manages." msgstr "Rolul agentului de resursă este de a abstractiza serviciul pe care îl furnizează şi de a prezenta o viziune consistentă clusterului, care îi permite clusterului să fie agnostic cu resursele pe care le gestionează. Clusterul nu trebuie să înţeleagă cum funcţionează resursa pentru că se bazează pe agentul de resursă să efectueze ceea ce trebuie atunci când îi este trimisă o comandă de start, stop sau monitor." #. Tag: para #, fuzzy, no-c-format msgid "The cluster doesn’t need to understand how the resource works because it relies on the resource agent to do the right thing when given a start, stop or monitor command." msgstr "Rolul agentului de resursă este de a abstractiza serviciul pe care îl furnizează şi de a prezenta o viziune consistentă clusterului, care îi permite clusterului să fie agnostic cu resursele pe care le gestionează. Clusterul nu trebuie să înţeleagă cum funcţionează resursa pentru că se bazează pe agentul de resursă să efectueze ceea ce trebuie atunci când îi este trimisă o comandă de start, stop sau monitor." #. Tag: para #, no-c-format msgid "For this reason it is crucial that resource agents are well tested." msgstr "Din acest motiv este imperativ ca agenţii de resursă să fie testaţi corespunzător." #. Tag: para #, no-c-format msgid "Typically resource agents come in the form of shell scripts, however they can be written using any technology (such as C, Python or Perl) that the author is comfortable with." msgstr "În mod normal agenţii de resursă vin sub forma de scripturi de shell, însă aceştia pot fi scrişi folosind orice limbaj de programare (cum ar fi C, Python sau Perl) cu care este confortabil autorul." #. Tag: title #, no-c-format msgid "Supported Resource Classes" msgstr "Clase de Resurse Suportate" #. Tag: para #, fuzzy, no-c-format msgid " Resourceclass class " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, fuzzy, no-c-format msgid "There are five classes of agents supported by Pacemaker:" msgstr "Există trei clase de bază de agenţi suportate de Pacemaker. În ordinea în care este încurajată folosirea acestora ele sunt:" #. Tag: para #, no-c-format msgid "OCF" msgstr "" #. Tag: para #, no-c-format msgid "LSB" msgstr "" #. Tag: para #, no-c-format msgid "Upstart" msgstr "" #. Tag: para #, no-c-format msgid "Systemd" msgstr "" #. Tag: para #, no-c-format msgid "Fencing" msgstr "" #. Tag: para #, no-c-format msgid "Service" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " ResourceHeartbeat Heartbeat HeartbeatResources Resources " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, fuzzy, no-c-format msgid "Version 1 of Heartbeat came with its own style of resource agents and it is highly likely that many people have written their own agents based on its conventions. See http://wiki.linux-ha.org/HeartbeatResourceAgent for more information " msgstr "Versiunea 1 de Heartbeat venea cu propriul stil de agenţi de resursă şi este foarte probabil că mulţi oameni şi-au scris proprii agenţi de resursă pe baza convenţiilor acestuia. Pentru a permite administratorilor să continue folosirea acestor agenţi, aceştia sunt suportaţi de către noul manager de cluster Vedeți pentru mai multe informații.." #. Tag: para #, no-c-format msgid "Although deprecated with the release of Heartbeat v2, they were supported by Pacemaker up until the release of 1.1.8 to enable administrators to continue to use these agents." msgstr "" #. Tag: title #, no-c-format msgid "Open Cluster Framework" msgstr "Open Cluster Framework" #. Tag: para #, no-c-format msgid " ResourceOCF OCF OCFResources Resources Open Cluster FrameworkResources Resources " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The OCF standard http://www.opencf.org/cgi-bin/viewcvs.cgi/specs/ra/resource-agent-api.txt?rev=HEAD - at least as it relates to resource agents. The Pacemaker implementation has been somewhat extended from the OCF Specs, but none of those changes are incompatible with the original OCF specification. is basically an extension of the Linux Standard Base conventions for init scripts to:" msgstr "Spec-ul OCF - cel puțin partea care se leagă de agenții de resursă.'Notă: Implementarea Pacemaker a fost oarecum extinsă din Specificațiile OCF, dar nici una din acele modificări nu sunt incompatibile cu specificația originală OCF. este în principiu o extensie a convențiilor Linux Standard Base folosite pentru scripturile de init ca să" #. Tag: para #, no-c-format msgid "support parameters," msgstr "suporte parametri" #. Tag: para #, no-c-format msgid "make them self describing and" msgstr "să îi facă auto descriptivi şi" #. Tag: para #, no-c-format msgid "extensible" msgstr "extensibili" #. Tag: para #, no-c-format msgid "OCF specs have strict definitions of the exit codes that actions must return. Included with the cluster is the ocf-tester script, which can be useful in this regard. " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The cluster follows these specifications exactly, and giving the wrong exit code will cause the cluster to behave in ways you will likely find puzzling and annoying. In particular, the cluster needs to distinguish a completely stopped resource from one which is in some erroneous and indeterminate state." msgstr "Specificaţiile OCF au definiţii stricte asupra căror coduri de ieşire trebuie să returneze acţiunile Inclus cu clusterul este scriptul ocf-tester care poate fi folositor în această privinţă. . Clusterul urmează aceste specificaţii întocmai, iar ieşirea din execuţie cu codul de eroare greşit va cauza clusterul să se comporte în feluri pe care le puteţi găsi enervante şi lipsite de sens. În mod special, clusterul trebuie să poată distinge între o resursă oprită complet şi una care se află într-o stare eronată sau nedeterminată." #. Tag: para #, fuzzy, no-c-format msgid "Parameters are passed to the script as environment variables, with the special prefix OCF_RESKEY_. So, a parameter which the user thinks of as ip it will be passed to the script as OCF_RESKEY_ip. The number and purpose of the parameters is completely arbitrary, however your script should advertise any that it supports using the meta-data command." msgstr "Parametrii sunt pasaţi scriptului ca variabile de mediu, cu prefixul special OCF_RESKEY_. Deci, un parametru pe care utilizatorul îl consideră ca fiind ip va fi pasat către script ca OCF_RESKEY_ip. Numărul şi scopul parametrilor este complet arbitrar, însă scriptul vostru ar trebui să îi anunţe pe toţi pe care îi suportă folosind comanda meta-data." #. Tag: para #, no-c-format msgid "The OCF class is the most preferred one as it is an industry standard, highly flexible (allowing parameters to be passed to agents in a non-positional manner) and self-describing." msgstr "Clasa OCF este cea mai preferată din moment ce este un standard al industriei, foarte flexibilă (permiţând parametrii să fie pasaţi agenţilor într-o manieră care nu ţine cont de poziţia acestora) şi auto-descriptivă." #. Tag: para #, fuzzy, no-c-format msgid "For more information, see the reference and ." msgstr "Pentru mai multe informaţii, vedeţi referința şi ." #. Tag: title #, no-c-format msgid "Linux Standard Base" msgstr "Linux Standard Base" #. Tag: para #, no-c-format msgid " ResourceLSB LSB LSBResources Resources Linux Standard BaseResources Resources " msgstr "" #. Tag: para #, no-c-format msgid "LSB resource agents are those found in /etc/init.d." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Generally they are provided by the OS/distribution and, in order to be used with the cluster, they must conform to the LSB Spec. See http://refspecs.linux-foundation.org/LSB_3.0.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html for the LSB Spec (as it relates to init scripts). " msgstr "Agenţii de resursă LSB sunt cei găsiţi în /etc/init.d. În mod normal aceştia sunt furnizaţi de către OS/distribuţie şi pentru a putea fi folosiţi împreună cu clusterul, trebuie să se conforme Specificaţiilor LSB Vedeți pentru Spec-ul LSB (partea care se leagă de scripturi de init). ." #. Tag: para #, fuzzy, no-c-format msgid "Many distributions claim LSB compliance but ship with broken init scripts. For details on how to check if your init script is LSB-compatible, see . The most common problems are:" msgstr "Multe distribuţii afirmă compatibilitatea LSB dar livrează scripturi de init nefuncţionale din acest punct de vedere. Pentru a vedea dacă scriptul vostru de init este compatibil LSB, vedeţi intrarea din FAQ referitoare la . Cele mai comune probleme sunt:" #. Tag: para #, no-c-format msgid "Not implementing the status operation at all" msgstr "Neimplementarea în vreun fel a operaţiunii status" #. Tag: para #, no-c-format msgid "Not observing the correct exit status codes for start/stop/status actions" msgstr "Neobservarea status-urilor corecte de ieşire pentru acţiuni start/stop/status" #. Tag: para #, no-c-format msgid "Starting a started resource returns an error (this violates the LSB spec)" msgstr "Pornirea unei resurse deja pornite returnează o eroare (acest aspect încalcă specificaţia LSB)" #. Tag: para #, no-c-format msgid "Stopping a stopped resource returns an error (this violates the LSB spec)" msgstr "Oprirea unei resurse deja oprită returnează o eroare (acest aspect încalcă specificaţia LSB)" #. Tag: para #, fuzzy, no-c-format msgid " ResourceSystemd Systemd SystemdResources Resources " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Systemd." msgstr "" #. Tag: para #, no-c-format msgid "Pacemaker is able to manage these services if they are present." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, systemd has unit files. Generally the services (or unit files) are provided by the OS/distribution but there are some instructions for converting from init scripts at: http://0pointer.de/blog/projects/systemd-for-admins-3.html" msgstr "" #. Tag: para #, no-c-format msgid "Remember to make sure the computer is not configured to start any services at boot time that should be controlled by the cluster." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " ResourceUpstart Upstart UpstartResources Resources " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, no-c-format msgid "Some newer distributions have replaced the old SYS-V style of initialization daemons (and scripts) with an alternative called Upstart." msgstr "" #. Tag: para #, no-c-format msgid "Instead of init scripts, upstart has jobs. Generally the services (or jobs) are provided by the OS/distribution." msgstr "" #. Tag: title #, no-c-format msgid "System Services" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " ResourceSystem Services System Services System ServiceResources Resources " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, no-c-format msgid "Since there are now many \"common\" types of system services (systemd, upstart, and lsb), Pacemaker supports a special alias which intelligently figures out which one applies to a given cluster node." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "This is particularly useful when the cluster contains a mix of systemd, upstart, and lsb." msgstr "Acţiunea pe care să o execute. Valori obişnuite: monitor, start, stop" #. Tag: para #, no-c-format msgid "In order, Pacemaker will try to find the named service as:" msgstr "" #. Tag: para #, no-c-format msgid "an LSB (SYS-V) init script" msgstr "" #. Tag: para #, no-c-format msgid "a Systemd unit file" msgstr "" #. Tag: para #, no-c-format msgid "an Upstart job" msgstr "" #. Tag: title #, no-c-format msgid "STONITH" msgstr "STONITH" #. Tag: para #, fuzzy, no-c-format msgid " ResourceSTONITH STONITH STONITHResources Resources " msgstr "classCâmpul Resursei CâmpulResurseiclass class" #. Tag: para #, no-c-format msgid "There is also an additional class, STONITH, which is used exclusively for fencing related resources. This is discussed later in ." msgstr "Mai există o clasă adiţională, STONITH, care este folosită exclusiv pentru resurse relevante în procesul de evacuare forțată. Acest aspect este discutat mai târziu în ." #. Tag: title #, fuzzy, no-c-format msgid "Resource Properties" msgstr "Operaţiile Resurselor" #. Tag: para #, no-c-format msgid "These values tell the cluster which script to use for the resource, where to find that script and what standards it conforms to." msgstr "Aceste valori îi spun clusterului care script să îl folosească pentru resursă, unde să găsească acel script şi care sunt standardele la care acesta aderă." #. Tag: title #, no-c-format msgid "Properties of a Primitive Resource" msgstr "Proprietăţile unei Resurse Primitive" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, fuzzy, no-c-format msgid "id" msgstr "0" #. Tag: para #, fuzzy, no-c-format msgid "Your name for the resource idResource Resource ResourcePropertyid Propertyid id " msgstr "priorityOpțiunea Resursei OpțiuneaResurseipriority priority" #. Tag: para #, fuzzy, no-c-format msgid "class" msgstr "0" #. Tag: para #, no-c-format msgid "The standard the script conforms to. Allowed values: ocf, service, upstart, systemd, lsb, stonith classResource Resource ResourcePropertyclass Propertyclass class " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "type" msgstr "0" #. Tag: para #, no-c-format msgid "The name of the Resource Agent you wish to use. Eg. IPaddr or Filesystem typeResource Resource ResourcePropertytype Propertytype type " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "provider" msgstr "0" #. Tag: para #, no-c-format msgid "The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify heartbeat here. providerResource Resource ResourcePropertyprovider Propertyprovider provider " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Resource definitions can be queried with the crm_resource tool. For example" msgstr "Definiţiile resurselor pot fi interogate cu utilitarul crm_resource. De exemplu" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --resource Email --query-xml" msgstr "crm_resource --resource Email --query-xml" #. Tag: para #, fuzzy, no-c-format msgid "might produce:" msgstr "ar putea produce" #. Tag: title #, fuzzy, no-c-format msgid "An example system resource" msgstr "Un exemplu de resursă LSB" #. Tag: programlisting #, fuzzy, no-c-format msgid "<primitive id=\"Email\" class=\"service\" type=\"exim\"/>" msgstr "" "<primitive id=\"Email\" class=\"lsb\" type=\"exim\"/>\n" "\t" #. Tag: para #, fuzzy, no-c-format msgid "One of the main drawbacks to system services (such as LSB, Systemd and Upstart) resources is that they do not allow any parameters!" msgstr "Unul din principalele aspecte negative ale resurselor LSB este acela că nu permit parametri!" #. Tag: title #, no-c-format msgid "An example OCF resource" msgstr "Un exemplu de resursă OCF" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Resource Options" msgstr "Opţiuni ale Resurselor" #. Tag: para #, fuzzy, no-c-format msgid "Options are used by the cluster to decide how your resource should behave and can be easily set using the --meta option of the crm_resource command." msgstr "Opţiunile sunt folosite de către cluster pentru a decide cum ar trebui să se comporte resursa voastră şi pot fi setate facil folosind opţiunea --meta a comenzii crm_resource." #. Tag: title #, no-c-format msgid "Options for a Primitive Resource" msgstr "Opţiuni pentru o Resursă Primitivă" #. Tag: entry #, no-c-format msgid "Default" msgstr "Valoarea implicită" #. Tag: para #, fuzzy, no-c-format msgid "priority" msgstr "0" #. Tag: para #, no-c-format msgid "0" msgstr "0" #. Tag: para #, no-c-format msgid "If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active. priorityResource Option Resource Option ResourceOptionpriority Optionpriority priority " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "target-role" msgstr "Started" #. Tag: para #, no-c-format msgid "Started" msgstr "Started" #. Tag: para #, no-c-format msgid "What state should the cluster attempt to keep this resource in? Allowed values:" msgstr "În ce stare ar trebui să încerce clusterul să menţină această resursă? Valori permise:" #. Tag: para #, fuzzy, no-c-format msgid "* Stopped - Force the resource to be stopped" msgstr "Stopped - Forţează resursa să fie oprită" #. Tag: para #, fuzzy, no-c-format msgid "* Started - Allow the resource to be started (In the case of multi-state resources, they will not promoted to master)" msgstr "Started - Permite resursei să fie pornită (În cazul resurselor cu multi-state, acestea nu vor fi promovate la master)" #. Tag: para #, fuzzy, no-c-format msgid "* Master - Allow the resource to be started and, if appropriate, promoted target-roleResource Option Resource Option ResourceOptiontarget-role Optiontarget-role target-role " msgstr "target-roleOpțiunea Resursei OpțiuneaResurseitarget-role target-role" #. Tag: para #, fuzzy, no-c-format msgid "is-managed" msgstr "Started" #. Tag: para #, fuzzy, no-c-format msgid "TRUE" msgstr "0" #. Tag: para #, no-c-format msgid "Is the cluster allowed to start and stop the resource? Allowed values: true, false is-managedResource Option Resource Option ResourceOptionis-managed Optionis-managed is-managed " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "resource-stickiness" msgstr "Started" #. Tag: para #, no-c-format msgid "Calculated" msgstr "" #. Tag: para #, no-c-format msgid "How much does the resource prefer to stay where it is? Defaults to the value of resource-stickiness in the rsc_defaults section resource-stickinessResource Option Resource Option ResourceOptionresource-stickiness Optionresource-stickiness resource-stickiness " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "requires" msgstr "0" #. Tag: para #, no-c-format msgid "Under what conditions can the resource be started. (Since 1.1.8)" msgstr "" #. Tag: para #, no-c-format msgid "Defaults to fencing unless stonith-enabled is false or class is stonith - under those conditions the default is quorum. Possible values:" msgstr "" #. Tag: para #, no-c-format msgid "* nothing - can always be started" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "* quorum - The cluster can only start this resource if a majority of the configured nodes are active" msgstr "quorum - Clusterul poate porni această resursă dacă o majoritate a nodurilor configurate este activă" #. Tag: para #, fuzzy, no-c-format msgid "* fencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off." msgstr "fencing - Clusterul poate porni această resursă doar dacă o majoritate a nodurilor configurate este activă şi orice noduri necunoscute sau defectate au fost deconectate de la reţeaua de alimentare." #. Tag: para #, no-c-format msgid "* unfencing - The cluster can only start this resource if a majority of the configured nodes are active and any failed or unknown nodes have been powered off and only on nodes that have been unfenced indexterm: Option[requires,Resource] ResourceOptionrequires Optionrequires requires " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "migration-threshold" msgstr "Started" #. Tag: para #, no-c-format msgid "INFINITY (disabled)" msgstr "INFINITY (dezactivat)" #. Tag: para #, fuzzy, no-c-format msgid "How many failures may occur for this resource on a node, before this node is marked ineligible to host this resource. migration-thresholdResource Option Resource Option ResourceOptionmigration-threshold Optionmigration-threshold migration-threshold " msgstr "migration-thresholdOpțiunea Resursei OpțiuneaResurseimigration-threshold migration-threshold" #. Tag: para #, fuzzy, no-c-format msgid "failure-timeout" msgstr "Started" #. Tag: para #, no-c-format msgid "0 (disabled)" msgstr "0 (dezactivat)" #. Tag: para #, no-c-format msgid "How many seconds to wait before acting as if the failure had not occurred, and potentially allowing the resource back to the node on which it failed. failure-timeoutResource Option Resource Option ResourceOptionfailure-timeout Optionfailure-timeout failure-timeout " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "multiple-active" msgstr "Started" #. Tag: para #, no-c-format msgid "stop_start" msgstr "stop_start" #. Tag: para #, no-c-format msgid "What should the cluster do if it ever finds the resource active on more than one node. Allowed values:" msgstr "Ce ar trebui să realizeze clusterul dacă găseşte vreodată o resursă activă pe mai mult de un nod. Valori permise:" #. Tag: para #, fuzzy, no-c-format msgid "* block - mark the resource as unmanaged" msgstr "block - marchează resursa ca fiind negestionată" #. Tag: para #, fuzzy, no-c-format msgid "* stop_only - stop all active instances and leave them that way" msgstr "stop_only - opreşte toate instanţele active şi lasă-le în acest fel" #. Tag: para #, fuzzy, no-c-format msgid "* stop_start - stop all active instances and start the resource in one location only" msgstr "stop_start - opreşte toate instanţele active şi porneşte resursa doar într-o singură locaţie" #. Tag: para #, fuzzy, no-c-format msgid " multiple-activeResource Option Resource Option ResourceOptionmultiple-active Optionmultiple-active multiple-active " msgstr "multiple-activeOpțiunea Resursei OpțiuneaResurseimultiple-active multiple-active" #. Tag: para #, no-c-format msgid "If you performed the following commands on the previous LSB Email resource" msgstr "Dacă aţi efectuat următoarele comenzi pe resursa LSB Email anterioară" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "# crm_resource --meta --resource Email --set-parameter priority --property-value 100\n" "# crm_resource --meta --resource Email --set-parameter multiple-active --property-value block" msgstr "" "crm_resource --meta --resource Email --set-parameter priority --property-value 100\n" "\tcrm_resource --meta --resource Email --set-parameter multiple-active --property-value block\n" " " #. Tag: para #, no-c-format msgid "the resulting resource definition would be" msgstr "definiţia rezultantă a resursei ar fi" #. Tag: title #, no-c-format msgid "An LSB resource with cluster options" msgstr "O resursă LSB cu opţiuni ale clusterului" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Email\" class=\"lsb\" type=\"exim\">\n" " <meta_attributes id=\"meta-email\">\n" " <nvpair id=\"email-priority\" name=\"priority\" value=\"100\"/>\n" " <nvpair id=\"email-active\" name=\"multiple-active\" value=\"block\"/>\n" " </meta_attributes>\n" "</primitive>" msgstr "" "<primitive id=\"Email\" class=\"lsb\" type=\"exim\">\n" " <meta_attributes id=\"meta-email\">\n" " <nvpair id=\"email-priority\" name=\"priority\" value=\"100\"/>\n" " <nvpair id=\"email-active\" name=\"multiple-active\" value=\"block\"/>\n" " </meta_attributes>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Setting Global Defaults for Resource Options" msgstr "Setarea de Valori Implicite Globale pentru Opţiunile Clusterului" #. Tag: para #, fuzzy, no-c-format msgid "To set a default value for a resource option, simply add it to the rsc_defaults section with crm_attribute. Thus," msgstr "Pentru a seta o valoare implicită pentru o opţiune a resursei, pur şi simplu adăugaţi-o la secţiunea rsc_defaults cu crm_attribute. Astfel," #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false" msgstr "crm_attribute --type rsc_defaults --attr-name is-managed --attr-value false" #. Tag: para #, no-c-format msgid "would prevent the cluster from starting or stopping any of the resources in the configuration (unless of course the individual resources were specifically enabled and had is-managed set to true)." msgstr "ar preveni clusterul de a porni sau opri orice resurse din configuraţie (cu excepţia cazului când resursele individuale au fost activate în mod specific şi aveau is-managed setat pe true)." #. Tag: title #, no-c-format msgid "Instance Attributes" msgstr "Atributele Instanţelor" #. Tag: para #, no-c-format msgid "The scripts of some resource classes (LSB not being one of them) can be given parameters which determine how they behave and which instance of a service they control." msgstr "Scripturile unor clase de resurse (LSB nefiind una dintre acestea) pot primi parametri care determină cum se comportă şi care instanţe ale unui serviciu controlează acestea." #. Tag: para #, fuzzy, no-c-format msgid "If your resource agent supports parameters, you can add them with the crm_resource command. For instance" msgstr "Dacă agentul vostru de resursă suportă parametri, îi puteţi adăuga cu comanda crm_resource. De exemplu" #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4" msgstr "crm_resource --resource Public-IP --set-parameter ip --property-value 1.2.3.4" #. Tag: para #, no-c-format msgid "would create an entry in the resource like this:" msgstr "ar crea o intrare în resursă precum aceasta:" #. Tag: title #, no-c-format msgid "An example OCF resource with instance attributes" msgstr "Un exemplu de resursă OCF cu atribute de instanţă" #. Tag: para #, fuzzy, no-c-format msgid "For an OCF resource, the result would be an environment variable called OCF_RESKEY_ip with a value of 1.2.3.4." msgstr "Pentru o resursă OCF, rezultatul ar fi o variabilă de mediu numită OCF_RESKEY_ip cu o valoare de 1.2.3.4." #. Tag: para #, fuzzy, no-c-format msgid "The list of instance attributes supported by an OCF script can be found by calling the resource script with the meta-data command. The output contains an XML description of all the supported attributes, their purpose and default values." msgstr "Lista de atribute de instanţă suportate de un script OCF poate fi găsită apelând scriptul resursei cu comanda meta-data. Rezultatul de ieşire conţine o descriere XML a tuturor atributelor suportate, scopul acestora şi valori implicite." #. Tag: title #, no-c-format msgid "Displaying the metadata for the Dummy resource agent template" msgstr "Afişarea metadata pentru template-ul agentului de resursă Dummy" #. Tag: programlisting #, no-c-format msgid "" "# export OCF_ROOT=/usr/lib/ocf\n" "# $OCF_ROOT/resource.d/pacemaker/Dummy meta-data" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"Dummy\" version=\"0.9\">\n" " <version>1.0</version>\n" "\n" " <longdesc lang=\"en-US\">\n" " This is a Dummy Resource Agent. It does absolutely nothing except\n" " keep track of whether its running or not.\n" " Its purpose in life is for testing and to serve as a template for RA writers.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy resource agent</shortdesc>\n" "\n" " <parameters>\n" " <parameter name=\"state\" unique=\"1\">\n" " <longdesc lang=\"en-US\">\n" " Location to store the resource state in.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">State file</shortdesc>\n" " <content type=\"string\" default=\"/var/run/Dummy-{OCF_RESOURCE_INSTANCE}.state\" />\n" " </parameter>\n" "\n" " <parameter name=\"dummy\" unique=\"0\">\n" " <longdesc lang=\"en-US\">\n" " Dummy attribute that can be changed to cause a reload\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy attribute that can be changed to cause a reload</shortdesc>\n" " <content type=\"string\" default=\"blah\" />\n" " </parameter>\n" " </parameters>\n" "\n" " <actions>\n" " <action name=\"start\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"monitor\" timeout=\"20\" interval=\"10\",height=\"0\" start-delay=\"0\" />\n" " <action name=\"reload\" timeout=\"90\" />\n" " <action name=\"migrate_to\" timeout=\"100\" />\n" " <action name=\"migrate_from\" timeout=\"90\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent>" msgstr "" "export OCF_ROOT=/usr/lib/ocf; $OCF_ROOT/resource.d/pacemaker/Dummy meta-data\n" " <?xml version=\"1.0\"?>\n" " <!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n" " <resource-agent name=\"Dummy\" version=\"0.9\">\n" " <version>1.0</version>\n" " \n" " <longdesc lang=\"en-US\">\n" " This is a Dummy Resource Agent. It does absolutely nothing except \n" " keep track of whether its running or not.\n" " Its purpose in life is for testing and to serve as a template for RA writers.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy resource agent</shortdesc>\n" " \n" " <parameters>\n" " <parameter name=\"state\" unique=\"1\">\n" " <longdesc lang=\"en-US\">\n" " Location to store the resource state in.\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">State file</shortdesc>\n" " <content type=\"string\" default=\"/var/run/Dummy-{OCF_RESOURCE_INSTANCE}.state\" />\n" " </parameter>\n" " \n" " <parameter name=\"dummy\" unique=\"0\">\n" " <longdesc lang=\"en-US\"> \n" " Dummy attribute that can be changed to cause a reload\n" " </longdesc>\n" " <shortdesc lang=\"en-US\">Dummy attribute that can be changed to cause a reload</shortdesc>\n" " <content type=\"string\" default=\"blah\" />\n" " </parameter>\n" " </parameters>\n" " \n" " <actions>\n" " <action name=\"start\" timeout=\"90\" />\n" " <action name=\"stop\" timeout=\"100\" />\n" " <action name=\"monitor\" timeout=\"20\" interval=\"10\" depth=\"0\" start-delay=\"0\" />\n" " <action name=\"reload\" timeout=\"90\" />\n" " <action name=\"migrate_to\" timeout=\"100\" />\n" " <action name=\"migrate_from\" timeout=\"90\" />\n" " <action name=\"meta-data\" timeout=\"5\" />\n" " <action name=\"validate-all\" timeout=\"30\" />\n" " </actions>\n" " </resource-agent> " #. Tag: title #, no-c-format msgid "Resource Operations" msgstr "Operaţiile Resurselor" #. Tag: para #, fuzzy, no-c-format msgid " ResourceAction Action " msgstr "priorityOpțiunea Resursei OpțiuneaResurseipriority priority" #. Tag: title #, no-c-format msgid "Monitoring Resources for Failure" msgstr "Monitorizarea Resurselor pentru Defecţiuni" #. Tag: para #, fuzzy, no-c-format msgid "By default, the cluster will not ensure your resources are still healthy. To instruct the cluster to do this, you need to add a monitor operation to the resource’s definition." msgstr "În mod implicit, clusterul nu va asigura că resursele voastre sunt încă sănătoase. Pentru a instrui clusterul să realizeze acest lucru, trebuie să adăugaţi o operaţiune monitor la definiţia resursei." #. Tag: title #, no-c-format msgid "An OCF resource with a recurring health check" msgstr "O resursă OCF cu o verificare recurentă a sănătăţii" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Properties of an Operation" msgstr "Proprietăţile unei Operaţii" #. Tag: para #, no-c-format msgid "Your name for the action. Must be unique. idAction Property Action Property ActionPropertyid Propertyid id " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "name" msgstr "0" #. Tag: para #, no-c-format msgid "The action to perform. Common values: monitor, start, stop nameAction Property Action Property ActionPropertyname Propertyname name " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "interval" msgstr "0" #. Tag: para #, no-c-format msgid "How frequently (in seconds) to perform the operation. Default value: 0, meaning never. intervalAction Property Action Property ActionPropertyinterval Propertyinterval interval " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "timeout" msgstr "0" #. Tag: para #, no-c-format msgid "How long to wait before declaring the action has failed. timeoutAction Property Action Property ActionPropertytimeout Propertytimeout timeout " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "on-fail" msgstr "0" #. Tag: para #, no-c-format msgid "The action to take if this action ever fails. Allowed values:" msgstr "Acţiunea pe care să o execute dacă vreodată această acţiune eşuează. Valori permise:" #. Tag: para #, fuzzy, no-c-format msgid "* ignore - Pretend the resource did not fail" msgstr "ignore - Consideră că acţiunea nu a eşuat" #. Tag: para #, fuzzy, no-c-format msgid "* block - Don’t perform any further operations on the resource" msgstr "block - Nu mai efectua operaţiuni ulterioare pe resursă" #. Tag: para #, fuzzy, no-c-format msgid "* stop - Stop the resource and do not start it elsewhere" msgstr "stop - Opreşte resursa şi nu o mai porni în altă parte" #. Tag: para #, fuzzy, no-c-format msgid "* restart - Stop the resource and start it again (possibly on a different node)" msgstr "restart - Opreşte resursa şi porneşte-o din nou (posibil pe un nod diferit)" #. Tag: para #, fuzzy, no-c-format msgid "* fence - STONITH the node on which the resource failed" msgstr "fence - STONITH nodul pe care resursa a eşuat" #. Tag: para #, fuzzy, no-c-format msgid "* standby - Move all resources away from the node on which the resource failed" msgstr "standby - Mută toate resursele de pe nodul pe care resursa a eşuat" #. Tag: para #, no-c-format msgid "The default for the stop operation is fence when STONITH is enabled and block otherwise. All other operations default to stop. on-failAction Property Action Property ActionPropertyon-fail Propertyon-fail on-fail " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "enabled" msgstr "Started" #. Tag: para #, no-c-format msgid "If false, the operation is treated as if it does not exist. Allowed values: true, false enabledAction Property Action Property ActionPropertyenabled Propertyenabled enabled " msgstr "" #. Tag: title #, no-c-format msgid "Setting Global Defaults for Operations" msgstr "Setarea de Valori Implicite Globale pentru Operaţiuni" #. Tag: para #, fuzzy, no-c-format msgid "To set a default value for a operation option, simply add it to the op_defaults section with crm_attribute. Thus," msgstr "Pentru a seta o valoare implicită pentru o opţiune a resursei, pur şi simplu adăugaţi-o la secţiunea rsc_defaults cu crm_attribute. Astfel," #. Tag: programlisting #, fuzzy, no-c-format msgid "# crm_attribute --type op_defaults --attr-name timeout --attr-value 20s" msgstr "crm_attribute --type op_defaults --attr-name timeout --attr-value 20s" #. Tag: para #, fuzzy, no-c-format msgid "would default each operation’s timeout to 20 seconds. If an operation’s definition also includes a value for timeout, then that value would be used instead (for that operation only)." msgstr "ar seta valoarea implicită a timeout-ului fiecărei operaţiuni la 20 de secunde. Dacă definiţia unei operaţiuni include de asemenea o valoare pentru timeout, atunci acea valoare ar fi folosită în schimb (numai pentru acea operaţiune)." #. Tag: title #, no-c-format msgid "When Resources Take a Long Time to Start/Stop" msgstr "Când Resursele Durează Mult Timp să Pornească/Oprească" #. Tag: para #, fuzzy, no-c-format msgid "There are a number of implicit operations that the cluster will always perform - start, stop and a non-recurring monitor operation (used at startup to check the resource isn’t already active). If one of these is taking too long, then you can create an entry for them and simply specify a new value." msgstr "Sunt un număr de operaţiuni implicite pe care clusterul pe va efectua întotdeauna - start, stop şi o operaţiune monitor nerecurentă (folosită la pornire pentru a verifica dacă resursa nu este deja activă). Dacă una din aceste operaţiuni durează prea mult, atunci puteţi crea o intrare pentru acestea şi să specificaţi o valoarea nouă." #. Tag: title #, no-c-format msgid "An OCF resource with custom timeouts for its implicit actions" msgstr "O resursă OCF cu intervale customizate pentru acţiunile implicite ale acesteia" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-startup\" name=\"monitor\" interval=\"0\" timeout=\"90s\"/>\n" " <op id=\"public-ip-start\" name=\"start\" interval=\"0\" timeout=\"180s\"/>\n" " <op id=\"public-ip-stop\" name=\"stop\" interval=\"0\" timeout=\"15min\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-startup\" name=\"monitor\" interval=\"0\" timeout=\"90s\"/>\n" " <op id=\"public-ip-start\" name=\"start\" interval=\"0\" timeout=\"180s\"/>\n" " <op id=\"public-ip-stop\" name=\"stop\" interval=\"0\" timeout=\"15min\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Multiple Monitor Operations" msgstr "Operaţiuni de Monitorizare Multiple" #. Tag: para #, no-c-format msgid "Provided no two operations (for a single resource) have the same name and interval you can have as many monitor operations as you like. In this way you can do a superficial health check every minute and progressively more intense ones at higher intervals." msgstr "Atâta timp cât o pereche de două operaţiuni (pentru o singură resursă) nu au acelaşi nume sau acelaşi interval puteţi avea cât de multe operaţiuni de monitorizare pe cât doriţi. În acest fel puteţi realiza o verificare superficială a stării de sănătate la fiecare minut şi unele progresiv mai intense la intervale mai mari." #. Tag: para #, fuzzy, no-c-format msgid "To tell the resource agent what kind of check to perform, you need to provide each monitor with a different value for a common parameter. The OCF standard creates a special parameter called OCF_CHECK_LEVEL for this purpose and dictates that it is \"made available to the resource agent without the normal OCF_RESKEY prefix\"." msgstr "Pentru a spune agentului ce fel de verificare să efectueze, trebuie să furnizaţi fiecărei operaţiuni monitor o valoare diferită pentru un parametru comun. Standardul OCF creează un parametru special numit OCF_CHECK_LEVEL pentru acest scop şi dictează că este \"făcut disponibil agentului de resursă fără obişnuitul prefix OCF_RESKEY_ \"." #. Tag: para #, no-c-format msgid "Whatever name you choose, you can specify it by adding an instance_attributes block to the op tag. Note that it is up to each resource agent to look for the parameter and decide how to use it." msgstr "Indiferent de ce nume alegeţi, puteţi să îl specificaţi adăugând un bloc instance_attributes la tag-ul op. Ţineţi cont că acest lucru este datoria fiecărui agent de resursă să verifice dacă parametrul există şi să decidă cum să îl folosească." #. Tag: title #, no-c-format msgid "An OCF resource with two recurring health checks, performing different levels of checks - specified via OCF_CHECK_LEVEL." msgstr "O resursă OCF cu două verificări de sănătate recurente, efectuând nivele diferite de verificări - specificate via OCF_CHECK_LEVEL." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-health-60\" name=\"monitor\" interval=\"60\">\n" " <instance_attributes id=\"params-public-ip-depth-60\">\n" " <nvpair id=\"public-ip-depth-60\" name=\"OCF_CHECK_LEVEL\" value=\"10\"/>\n" " </instance_attributes>\n" " </op>\n" " <op id=\"public-ip-health-300\" name=\"monitor\" interval=\"300\">\n" " <instance_attributes id=\"params-public-ip-depth-300\">\n" " <nvpair id=\"public-ip-depth-300\" name=\"OCF_CHECK_LEVEL\" value=\"20\"/>\n" " </instance_attributes>\n" " </op>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-level\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-health-60\" name=\"monitor\" interval=\"60\">\n" " <instance_attributes id=\"params-public-ip-depth-60\">\n" " <nvpair id=\"public-ip-depth-60\" name=\"OCF_CHECK_LEVEL\" value=\"10\"/>\n" " </instance_attributes>\n" " </op>\n" " <op id=\"public-ip-health-300\" name=\"monitor\" interval=\"300\">\n" " <instance_attributes id=\"params-public-ip-depth-300\">\n" " <nvpair id=\"public-ip-depth-300\" name=\"OCF_CHECK_LEVEL\" value=\"20\"/>\n" " </instance_attributes>\n" " </op>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-level\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: title #, no-c-format msgid "Disabling a Monitor Operation" msgstr "Dezactivarea unei Operaţiuni de Monitorizare" #. Tag: para #, fuzzy, no-c-format msgid "The easiest way to stop a recurring monitor is to just delete it. However, there can be times when you only want to disable it temporarily. In such cases, simply add enabled=\"false\" to the operation’s definition." msgstr "Cel mai simplu mod de a opri un monitor recurent este să îl ştergeţi. Însă pot exista momente când vreţi doar să îl dezactivaţi temporar. În astfel de cazuri, pur şi simplu adăugaţi enabled=\"false\" la definiţia operaţiunii." #. Tag: title #, no-c-format msgid "Example of an OCF resource with a disabled health check" msgstr "Exemplu de resursă OCF cu o verificare a sănătăţii dezactivată" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\" enabled=\"false\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" " <operations>\n" " <op id=\"public-ip-check\" name=\"monitor\" interval=\"60s\" enabled=\"false\"/>\n" " </operations>\n" " <instance_attributes id=\"params-public-ip\">\n" " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: para #, no-c-format msgid "This can be achieved from the command-line by executing" msgstr "Acest lucru poate fi realizat din linia de comanda executând" #. Tag: programlisting #, fuzzy, no-c-format msgid "# cibadmin -M -X '<op id=\"public-ip-check\" enabled=\"false\"/>'" msgstr "cibadmin -M -X ‘<op id=\"public-ip-check\" enabled=\"false\"/>'" #. Tag: para #, fuzzy, no-c-format msgid "Once you’ve done whatever you needed to do, you can then re-enable it with" msgstr "Odată ce aţi făcut ceea ce aveaţi nevoie să faceţi, îl puteţi reactiva cu" #~ msgid "ResourceDescription" #~ msgstr "DescriereaResursei" #~ msgid "ResourceClasses" #~ msgstr "Clase deResurse" #~ msgid "ResourceOCF" #~ msgstr "ResursăOCF" #~ msgid "OCFResources" #~ msgstr "ResurseOCF" #~ msgid "Open Cluster FrameworkResources" #~ msgstr "ResurseOpen Cluster Framework" #~ msgid "ResourceLSB" #~ msgstr "ResursăLSB" #~ msgid "LSBResources" #~ msgstr "ResurseLSB" #~ msgid "Linus Standard BaseResources" #~ msgstr "ResurseLinus Standard Base" #~ msgid "Legacy Heartbeat" #~ msgstr "Depreciat Heartbeat" #~ msgid "ResourceHeartbeat (legacy)" #~ msgstr "ResursăHeartbeat (depreciat)" #~ msgid "HeartbeatLegacy Resources" #~ msgstr "Resurse DepreciateHeartbeat" #~ msgid "ResourceSTONITH" #~ msgstr "ResursăSTONITH" #~ msgid "STONITHResources" #~ msgstr "ResurseSTONITH" #~ msgid "Properties" #~ msgstr "Proprietăţi" #~ msgid "Your name for the resource" #~ msgstr "Numele pe care îl daţi resursei" #~ msgid "The standard the script conforms to. Allowed values: heartbeat, lsb, ocf, stonith" #~ msgstr "Standardul la care aderă scriptul. Valori permise: heartbeat, lsb, ocf, stonith" #~ msgid "typeResource Field ResourceFieldtype type" #~ msgstr "typeCâmpul Resursei CâmpulResurseitype type" #~ msgid "The name of the Resource Agent you wish to use. Eg. IPaddr or Filesystem" #~ msgstr "Numele Agentului de Resursă pe care doriţi să îl folosiţi. ex. IPaddr or Filesystem" #~ msgid "providerResource Field ResourceFieldprovider provider" #~ msgstr "providerCâmpul Resursei CâmpulResurseiprovider provider" #~ msgid "The OCF spec allows multiple vendors to supply the same ResourceAgent. To use the OCF resource agents supplied with Heartbeat, you should specify heartbeat here." #~ msgstr "Specificaţia OCF permite mai multor entităţi să furnizeze acelaşi Agent de Resursă. Pentru a folosi agenţii de resursă OCF furnizaţi împreună cu Heartbeat, ar trebui să specificaţi heartbeat aici." #~ msgid "Example for an OCF resource:" #~ msgstr "Exemplu pentru o resursă OCF:" #~ msgid "" #~ "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" #~ " <instance_attributes id=\"params-public-ip\">\n" #~ " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgstr "" #~ "<primitive id=\"Public-IP\" class=\"ocf\" type=\"IPaddr\" provider=\"heartbeat\">\n" #~ " <instance_attributes id=\"params-public-ip\">\n" #~ " <nvpair id=\"public-ip-addr\" name=\"ip\" value=\"1.2.3.4\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgid "Or, finally for the equivalent legacy Heartbeat resource:" #~ msgstr "sau în sfârşit pentru echivalentul unei resurse depreciate Heartbeat: " #~ msgid "An example Heartbeat resource" #~ msgstr "Un exemplu de resursă Heartbeat" #~ msgid "" #~ " <primitive id=\"Public-IP-legacy\" class=\"heartbeat\" type=\"IPaddr\">\n" #~ " <instance_attributes id=\"params-public-ip-legacy\">\n" #~ " <nvpair id=\"public-ip-addr-legacy\" name=\"1\" value=\"1.2.3.4\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgstr "" #~ " <primitive id=\"Public-IP-legacy\" class=\"heartbeat\" type=\"IPaddr\">\n" #~ " <instance_attributes id=\"params-public-ip-legacy\">\n" #~ " <nvpair id=\"public-ip-addr-legacy\" name=\"1\" value=\"1.2.3.4\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgid "Heartbeat resources take only ordered and unnamed parameters. The supplied name therefore indicates the order in which they are passed to the script. Only single digit values are allowed." #~ msgstr "Resursele Heartbeat primesc doar parametri ordonaţi şi fără denumire. Numele furnizat indică prin urmare ordinea în care sunt pasaţi către script. Doar valori formate dintr-o singură cifră sunt permise." #~ msgid "If not all resources can be active, the cluster will stop lower priority resources in order to keep higher priority ones active." #~ msgstr "Dacă nu pot fi active toate resursele, clusterul va opri resursele cu prioritate mai mică pentru a păstra resursele cu o prioritate mai mare active." #~ msgid "Master - Allow the resource to be started and, if appropriate, promoted" #~ msgstr "Master - Permite resursei să fie pornită, iar dacă este adecvat, promovată" #~ msgid "is-managedResource Option ResourceOptionis-managed is-managed" #~ msgstr "is-managedOpțiunea Resursei OpțiuneaResurseiis-managed is-managed" #~ msgid "TRUE" #~ msgstr "TRUE" #~ msgid "Is the cluster allowed to start and stop the resource? Allowed values: true, false" #~ msgstr "Îi este permis clusterului să pornească şi să oprească resursa? Valori permise: true, false" #~ msgid "resource-stickinessResource Option ResourceOptionresource-stickiness resource-stickiness" #~ msgstr "resource-stickinessOpțiunea Resursei OpțiuneaResurseiresource-stickiness resource-stickiness" #~ msgid "Inherited" #~ msgstr "Moştenită" #~ msgid "How much does the resource prefer to stay where it is? Defaults to the value of resource-stickiness in the rsc_defaults section" #~ msgstr "Cât de mult preferă resursa să rămână acolo unde este? Valoarea implicită este cea a resource-stickiness din secţiunea rsc_defaults" #~ msgid "How many failures may occur for this resource on a node, before this node is marked ineligible to host this resource." #~ msgstr "Câte eşecuri ar trebui să se întâmple acestei resurse pe un nod înainte de face nodul ineligibil de a mai găzdui această resursă." #~ msgid "failure-timeoutResource Option ResourceOptionfailure-timeout failure-timeout" #~ msgstr "failure-timeoutOpțiunea Resursei OpțiuneaResurseifailure-timeout failure-timeout" #~ msgid "How many seconds to wait before acting as if the failure had not occurred, and potentially allowing the resource back to the node on which it failed." #~ msgstr "Câte secunde să aştepte înainte să se comporte ca şi cum eşecul nu s-ar fi întâmplat (şi potenţial să permită resursei să revină pe nodul pe care a eşuat)." #~ msgid "id" #~ msgstr "id" #~ msgid "Your name for the action. Must be unique." #~ msgstr "Numele dat acţiunii. Trebuie să fie unic." #~ msgid "name" #~ msgstr "nume" #~ msgid "interval" #~ msgstr "interval" #~ msgid "How frequently (in seconds) to perform the operation. Default value: 0, meaning never." #~ msgstr "Cât de frecvent (în secunde) să efectueze operaţiunea. Valoarea implicită: 0, însemnând niciodată." #~ msgid "timeout" #~ msgstr "timeout" #~ msgid "How long to wait before declaring the action has failed." #~ msgstr "Cât de mult să aştepte înainte de a declara că acţiunea a eşuat." #~ msgid "requires" #~ msgstr "necesită" #~ msgid "What conditions need to be satisfied before this action occurs. Allowed values:" #~ msgstr "Care condiţii trebuie să fie satisfăcute înainte ca această acţiune să se întâmple. Valori permise:" #~ msgid "nothing - The cluster may start this resource at any time" #~ msgstr "nothing - Clusterul poate porni această resursă oricând" #~ msgid "STONITH resources default to nothing, and all others default to fencing if STONITH is enabled and quorum otherwise." #~ msgstr "Resursele STONITH au ca valoare implicită nimic, iar toate celelalte au ca valoare implicită fencing dacă STONITH este activat şi quorum în caz contrar." #~ msgid "on-fail" #~ msgstr "on-fail" #~ msgid "The default for the stop operation is fence when STONITH is enabled and block otherwise. All other operations default to stop." #~ msgstr "Valoarea implicită pentru operaţiunea stop este fence atunci când STONITH este activat şi block în caz contrar. Toate celelalte operaţiuni au valoarea implicită stop." #~ msgid "enabled" #~ msgstr "activat" #~ msgid "If false, the operation is treated as if it does not exist. Allowed values: true, false" #~ msgstr "Dacă este false, operaţiunea este tratată ca şi când nu ar exista. Valori permise: true, false" #~ msgid "cibadmin -M -X ‘<op id=\"public-ip-check\" enabled=\"true\"/>'" #~ msgstr "cibadmin -M -X ‘<op id=\"public-ip-check\" enabled=\"true\"/>'" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Rules.po000066400000000000000000002023721217637305600236650ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Rules" msgstr "Reguli" #. Tag: para #, fuzzy, no-c-format msgid " ResourceConstraintRule ConstraintRule Rule " msgstr "Proprietatea Regulii score ProprietățileReguliiscore score" #. Tag: para #, no-c-format msgid "Rules can be used to make your configuration more dynamic. One common example is to set one value for resource-stickiness during working hours, to prevent resources from being moved back to their most preferred location, and another on weekends when no-one is around to notice an outage." msgstr "Regulile pot fi folosite pentru a face configuraţia voastră mai dinamică. Un exemplu comun este de a seta o valoare pentru resource-stickiness în timpul orelor de program, pentru a împiedica resursele de a fi mutate înapoi la locaţia cea mai preferată a acestora, iar altă valoare în weekend-uri când nu este nimeni în preajmă să detecteze o întrerupere a serviciului." #. Tag: para #, no-c-format msgid "Another use of rules might be to assign machines to different processing groups (using a node attribute) based on time and to then use that attribute when creating location constraints." msgstr "O altă utilizare a regulilor ar putea fi pentru a asigna maşini la grupuri de procesare diferite (folosind un atribut de nod) bazat pe timp şi mai apoi să folosească acel atribut pentru a crea o restricţie de locaţie." #. Tag: para #, fuzzy, no-c-format msgid "Each rule can contain a number of expressions, date-expressions and even other rules. The results of the expressions are combined based on the rule’s boolean-op field to determine if the rule ultimately evaluates to true or false. What happens next depends on the context in which the rule is being used." msgstr "Fiecare regulă poate conţine un număr de expresii, expresii de dată şi chiar si alte reguli. Rezultatele expresiilor sunt combinate pe baza câmpului boolean-op al regulii pentru a determina dacă regula în ultimă instanţă este evaluată ca true sau false. Ce se întâmplă mai departe depinde de contextul în care regula este folosită." #. Tag: title #, no-c-format msgid "Properties of a Rule" msgstr "Proprietăţile unei Reguli" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, no-c-format msgid "role" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Limits the rule to apply only when the resource is in that role. Allowed values: Started, Slave, and Master. NOTE: A rule with role=\"Master\" can not determine the initial location of a clone instance. It will only affect which of the active instances will be promoted. roleConstraint Rule Constraint Rule ConstraintRulerole Rulerole role " msgstr "Limitează regula pentru a se aplica numai când resursa se află în acel rol. Valori permise: Started, Slave, și Master. NOTĂ: O regulă cu role=\"Master\" nu poate determina locaţia iniţială a unei instanţe ale unei clone. Va afecta numai care dintre instanţele active va fi promovată." #. Tag: para #, no-c-format msgid "score" msgstr "" #. Tag: para #, no-c-format msgid "The score to apply if the rule evaluates to true. Limited to use in rules that are part of location constraints. scoreConstraint Rule Constraint Rule ConstraintRulescore Rulescore score " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "score-attribute" msgstr "Folosind score-attribute în loc de score" #. Tag: para #, no-c-format msgid "The node attribute to look up and use as a score if the rule evaluates to true. Limited to use in rules that are part of location constraints. score-attributeConstraint Rule Constraint Rule ConstraintRulescore-attribute Rulescore-attribute score-attribute " msgstr "" #. Tag: para #, no-c-format msgid "boolean-op" msgstr "" #. Tag: para #, no-c-format msgid "How to combine the result of multiple expression objects. Allowed values: and and or. boolean-opConstraint Rule Constraint Rule ConstraintRuleboolean-op Ruleboolean-op boolean-op " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Node Attribute Expressions" msgstr "Proprietăţile unei Expresii" #. Tag: para #, fuzzy, no-c-format msgid " ResourceConstraintAttribute Expression ConstraintAttribute Expression Attribute Expression " msgstr "RegulaControlarea Opțiunilor Clusterului Opțiunile ClusteruluiControlat de Reguli Folosirea Regulilor pentru a Controla Opțiunile Clusterului" #. Tag: para #, no-c-format msgid "Expression objects are used to control a resource based on the attributes defined by a node or nodes. In addition to any attributes added by the administrator, each node has a built-in node attribute called #uname that can also be used." msgstr "Obiectele de expresie sunt folosite pentru a controla o resursă pe baza atributelor definite de un nod sau de mai multe noduri. Adiţional la orice atribute adăugate de administrator, fiecare nod are un atribut de nod predefinit numit #uname care poate fi folosit de asemenea." #. Tag: title #, no-c-format msgid "Properties of an Expression" msgstr "Proprietăţile unei Expresii" #. Tag: para #, no-c-format msgid "value" msgstr "" #. Tag: para #, no-c-format msgid "User supplied value for comparison valueConstraint Expression Constraint Expression ConstraintAttribute Expressionvalue Attribute Expressionvalue value " msgstr "" #. Tag: para #, no-c-format msgid "attribute" msgstr "" #. Tag: para #, no-c-format msgid "The node attribute to test attributeConstraint Expression Constraint Expression ConstraintAttribute Expressionattribute Attribute Expressionattribute attribute " msgstr "" #. Tag: para #, no-c-format msgid "type" msgstr "" #. Tag: para #, no-c-format msgid "Determines how the value(s) should be tested. Allowed values: string, integer, version typeConstraint Expression Constraint Expression ConstraintAttribute Expressiontype Attribute Expressiontype type " msgstr "" #. Tag: para #, no-c-format msgid "operation" msgstr "" #. Tag: para #, no-c-format msgid "The comparison to perform. Allowed values:" msgstr "Comparaţia pe care să o efectueze. Valori permise:" #. Tag: para #, fuzzy, no-c-format msgid "* lt - True if the node attribute’s value is less than value" msgstr "lt - Adevărat dacă valoarea atributului nodului este mai mică decât value" #. Tag: para #, fuzzy, no-c-format msgid "* gt - True if the node attribute’s value is greater than value" msgstr "gt - Adevărat dacă valoarea atributului nodului este mai mare decât value" #. Tag: para #, fuzzy, no-c-format msgid "* lte - True if the node attribute’s value is less than or equal to value" msgstr "lte - Adevărat dacă valoarea atributului nodului este mai mică sau egală cu value" #. Tag: para #, fuzzy, no-c-format msgid "* gte - True if the node attribute’s value is greater than or equal to value" msgstr "gte - Adevărat dacă valoarea atributului nodului este mai mare sau egală cu value" #. Tag: para #, fuzzy, no-c-format msgid "* eq - True if the node attribute’s value is equal to value" msgstr "eq - Adevărat dacă valoarea atributului nodului este egală cu value" #. Tag: para #, fuzzy, no-c-format msgid "* ne - True if the node attribute’s value is not equal to value" msgstr "ne - Adevărat dacă valoarea atributului nodului nu este egală cu value" #. Tag: para #, fuzzy, no-c-format msgid "* defined - True if the node has the named attribute" msgstr "defined - Adevărat dacă nodul are un atribut numit" #. Tag: para #, no-c-format msgid "* not_defined - True if the node does not have the named attribute operationConstraint Expression Constraint Expression ConstraintAttribute Expressionoperation Attribute Expressionoperation operation " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Time/Date Based Expressions" msgstr "Exemple de Expresii Bazate pe Timp" #. Tag: para #, fuzzy, no-c-format msgid " Time Based Expressions ResourceConstraintDate/Time Expression ConstraintDate/Time Expression Date/Time Expression " msgstr "Proprietatea Regulii score ProprietățileReguliiscore score" #. Tag: para #, no-c-format msgid "As the name suggests, date_expressions are used to control a resource or cluster option based on the current date/time. They can contain an optional date_spec and/or duration object depending on the context." msgstr "După cum sugerează numele, date_expressions sunt folosite pentru a controla o resursă sau opţiune a clusterului pe baza timpului/dăţii curente. Acestea pot conţine opţional obiecte date_spec şi/sau duration în funcţie de context." #. Tag: title #, no-c-format msgid "Properties of a Date Expression" msgstr "Proprietăţile unei Expresii de Dată" #. Tag: para #, no-c-format msgid "start" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. startConstraint Expression Constraint Expression ConstraintDate/Time Expressionstart Date/Time Expressionstart start " msgstr "" #. Tag: para #, no-c-format msgid "end" msgstr "" #. Tag: para #, no-c-format msgid "A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for start and a duration. endConstraint Expression Constraint Expression ConstraintDate/Time Expressionend Date/Time Expressionend end " msgstr "" #. Tag: para #, no-c-format msgid "Compares the current date/time with the start and/or end date, depending on the context. Allowed values:" msgstr "Compară data/ora curentă cu data de început şi/sau sfârşit, în funcţie de context. Valori permise:" #. Tag: para #, fuzzy, no-c-format msgid "* gt - True if the current date/time is after start" msgstr "gt - Adevărat dacă data/ora curentă este după start" #. Tag: para #, fuzzy, no-c-format msgid "* lt - True if the current date/time is before end" msgstr "lt - Adevărat dacă data/ora curentă este înainte de end" #. Tag: para #, fuzzy, no-c-format msgid "* in-range - True if the current date/time is after start and before end" msgstr "in-range - Adevărat dacă data/ora curentă este după start şi înainte de end" #. Tag: para #, no-c-format msgid "* date-spec - performs a cron-like comparison to the current date/time operationConstraint Expression Constraint Expression ConstraintDate/Time Expressionoperation Date/Time Expressionoperation operation " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "As these comparisons (except for date_spec) include the time, the eq, neq, gte and lte operators have not been implemented since they would only be valid for a single second." msgstr "Deoarece comparaţiile (cu excepţia date_spec) includ timpul, operatorii eq, neq, gte şi lte nu au fost implementaţi." #. Tag: title #, no-c-format msgid "Date Specifications" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Date Specification ResourceConstraintDate Specification ConstraintDate Specification Date Specification " msgstr "Proprietatea Regulii score ProprietățileReguliiscore score" #. Tag: para #, no-c-format msgid "date_spec objects are used to create cron-like expressions relating to time. Each field can contain a single number or a single range. Instead of defaulting to zero, any field not supplied is ignored." msgstr "Obiectele date_spec sunt folosite pentru a crea expresii similare cu cele create de cron în relaţie cu timpul. Fiecare câmp poate conţine un singur număr sau un singur şir. În loc să aibe valoarea implicită zero, orice câmp a cărui valoare nu este furnizată este ignorat." #. Tag: para #, no-c-format msgid "For example, monthdays=\"1\" matches the first day of every month and hours=\"09-17\" matches the hours between 9am and 5pm (inclusive). However, at this time one cannot specify weekdays=\"1,2\" or weekdays=\"1-2,5-6\" since they contain multiple ranges. Depending on demand, this may be implemented in a future release." msgstr "De exemplu, monthdays=\"1\" se potriveşte pentru prima zi din fiecare lună şi hours=\"09-17\" se potriveşte orelor între 9am şi 5pm (inclusiv). Însă la acest moment nu se poate specifica weekdays=\"1,2\" sau weekdays=\"1-2,5-6\" din moment ce conţin şiruri multiple. În funcţie de cerere, acest aspect ar putea fi implementat într-un release viitor." #. Tag: title #, no-c-format msgid "Properties of a Date Spec" msgstr "Proprietăţile unei Specificaţii de Dată" #. Tag: para #, no-c-format msgid "id" msgstr "" #. Tag: para #, no-c-format msgid "A unique name for the date idDate Specification Date Specification ConstraintDate Specificationid Date Specificationid id " msgstr "" #. Tag: para #, no-c-format msgid "hours" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-23 hoursDate Specification Date Specification ConstraintDate Specificationhours Date Specificationhours hours " msgstr "" #. Tag: para #, no-c-format msgid "monthdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-31 (depending on month and year) monthdaysDate Specification Date Specification ConstraintDate Specificationmonthdays Date Specificationmonthdays monthdays " msgstr "" #. Tag: para #, no-c-format msgid "weekdays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-7 (1=Monday, 7=Sunday) weekdaysDate Specification Date Specification ConstraintDate Specificationweekdays Date Specificationweekdays weekdays " msgstr "" #. Tag: para #, no-c-format msgid "yeardays" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-366 (depending on the year) yeardaysDate Specification Date Specification ConstraintDate Specificationyeardays Date Specificationyeardays yeardays " msgstr "" #. Tag: para #, no-c-format msgid "months" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-12 monthsDate Specification Date Specification ConstraintDate Specificationmonths Date Specificationmonths months " msgstr "" #. Tag: para #, no-c-format msgid "weeks" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 1-53 (depending on weekyear) weeksDate Specification Date Specification ConstraintDate Specificationweeks Date Specificationweeks weeks " msgstr "" #. Tag: para #, no-c-format msgid "years" msgstr "" #. Tag: para #, no-c-format msgid "Year according the Gregorian calendar yearsDate Specification Date Specification ConstraintDate Specificationyears Date Specificationyears years " msgstr "" #. Tag: para #, no-c-format msgid "weekyears" msgstr "" #. Tag: para #, no-c-format msgid "May differ from Gregorian years; Eg. 2005-001 Ordinal is also 2005-01-01 Gregorian is also 2004-W53-6 Weekly weekyearsDate Specification Date Specification ConstraintDate Specificationweekyears Date Specificationweekyears weekyears " msgstr "" #. Tag: para #, no-c-format msgid "moon" msgstr "" #. Tag: para #, no-c-format msgid "Allowed values: 0-7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added. moonDate Specification Date Specification ConstraintDate Specificationmoon Date Specificationmoon moon " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "Durations" msgstr "operaţiune" #. Tag: para #, fuzzy, no-c-format msgid " Duration ResourceConstraintDuration ConstraintDuration Duration " msgstr "Proprietatea Regulii score ProprietățileReguliiscore score" #. Tag: para #, no-c-format msgid "Durations are used to calculate a value for end when one is not supplied to in_range operations. They contain the same fields as date_spec objects but without the limitations (ie. you can have a duration of 19 months). Like date_specs, any field not supplied is ignored." msgstr "Duratele sunt folosite pentru a calcula valoarea pentru end atunci când una nu este furnizată în operaţiunile in_range. Acestea conţin aceleaşi câmpuri ca şi obiectele date_spec dar fără limitări (ex. puteţi avea o durată de 19 zile). Ca şi în cazul date_specs, orice câmp care nu este furnizat este ignorat." #. Tag: title #, no-c-format msgid "Sample Time Based Expressions" msgstr "Exemple de Expresii Bazate pe Timp" #. Tag: para #, no-c-format msgid "A small sample of how time based expressions can be used." msgstr "" #. Tag: title #, no-c-format msgid "True if now is any time in the year 2005" msgstr "Adevărat dacă acum este oricând în anul 2005" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule1\">\n" " <date_expression id=\"date_expr1\" start=\"2005-001\" operation=\"in_range\">\n" " <duration years=\"1\"/>\n" " </date_expression>\n" "</rule>" msgstr "" " <rule id=\"rule1\">\n" " <date_expression id=\"date_expr1\" start=\"2005-001\" operation=\"in_range\">\n" " <duration years=\"1\"/>\n" " </date_expression>\n" " </rule> " #. Tag: title #, fuzzy, no-c-format msgid "Equivalent expression" msgstr "Expresie echivalentă." #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule2\">\n" " <date_expression id=\"date_expr2\" operation=\"date_spec\">\n" " <date_spec years=\"2005\"/>\n" " </date_expression>\n" "</rule>" msgstr "" " <rule id=\"rule2\">\n" " <date_expression id=\"date_expr2\" operation=\"date_spec\">\n" " <date_spec years=\"2005\"/>\n" " </date_expression>\n" " </rule> " #. Tag: title #, no-c-format msgid "9am-5pm, Mon-Friday" msgstr "9am-5pm, Lun-Vineri" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule3\">\n" " <date_expression id=\"date_expr3\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" "</rule>" msgstr "" " <rule id=\"rule3\">\n" " <date_expression id=\"date_expr3\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" " </rule> " #. Tag: para #, no-c-format msgid "Please note that the 16 matches up to 16:59:59, as the numeric value (hour) still matches!" msgstr "Vă rugăm să luați aminte că 16 se potrivește cu 16:59:59, deoarece valoarea numerică (ora) încă se potrivește!" #. Tag: title #, no-c-format msgid "9am-6pm, Mon-Friday, or all day saturday" msgstr "9am-6pm, Lun-Vineri sau toată ziua sâmbătă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule4\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr4-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr4-2\" operation=\"date_spec\">\n" " <date_spec days=\"6\"/>\n" " </date_expression>\n" "</rule>" msgstr "" " <rule id=\"rule4\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr4-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\" days=\"1-5\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr4-2\" operation=\"date_spec\">\n" " <date_spec days=\"6\"/>\n" " </date_expression>\n" " </rule> " #. Tag: title #, no-c-format msgid "9am-5pm or 9pm-12pm, Mon-Friday" msgstr "9am-5pm sau 9pm-12pm, Lun-Vineri" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule5\" boolean_op=\"and\">\n" " <rule id=\"rule5-nested1\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr5-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr5-2\" operation=\"date_spec\">\n" " <date_spec hours=\"21-23\"/>\n" " </date_expression>\n" " </rule>\n" " <date_expression id=\"date_expr5-3\" operation=\"date_spec\">\n" " <date_spec days=\"1-5\"/>\n" " </date_expression>\n" " </rule>" msgstr "" " <rule id=\"rule5\" boolean_op=\"and\">\n" " <rule id=\"rule5-nested1\" boolean_op=\"or\">\n" " <date_expression id=\"date_expr5-1\" operation=\"date_spec\">\n" " <date_spec hours=\"9-16\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr5-2\" operation=\"date_spec\">\n" " <date_spec hours=\"21-23\"/>\n" " </date_expression>\n" " </rule>\n" " <date_expression id=\"date_expr5-3\" operation=\"date_spec\">\n" " <date_spec days=\"1-5\"/>\n" " </date_expression>\n" " </rule> " #. Tag: title #, no-c-format msgid "Mondays in March 2005" msgstr "Zilele de Luni în Martie 2005" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule6\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr6-1\" operation=\"date_spec\">\n" " <date_spec weekdays=\"1\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr6-2\" operation=\"in_range\"\n" " start=\"2005-03-01\" end=\"2005-04-01\"/>\n" " </rule>" msgstr "" " <rule id=\"rule6\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr6-1\" operation=\"date_spec\">\n" " <date_spec weekdays=\"1\"/>\n" " </date_expression>\n" " <date_expression id=\"date_expr6-2\" operation=\"in_range\"\n" " start=\"2005-03-01\" end=\"2005-04-01\"/>\n" " </rule> " #. Tag: para #, fuzzy, no-c-format msgid "Because no time is specified, 00:00:00 is implied." msgstr "NOTĂ: Pentru că nici un timp nu este specificat, 00:00:00 este subînţeles." #. Tag: para #, fuzzy, no-c-format msgid "This means that the range includes all of 2005-03-01 but none of 2005-04-01. You may wish to write end=\"2005-03-31T23:59:59\" to avoid confusion." msgstr "Aţi dori să scrieţi end=\"2005-03-31T23:59:59\" pentru a evita confuzia." #. Tag: title #, no-c-format msgid "A full moon on Friday the 13th" msgstr "O lună plină pe data de Vineri 13" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"rule7\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr7\" operation=\"date_spec\">\n" " <date_spec weekdays=\"5\" monthdays=\"13\" moon=\"4\"/>\n" " </date_expression>\n" "</rule>" msgstr "" " <rule id=\"rule7\" boolean_op=\"and\">\n" " <date_expression id=\"date_expr7\" operation=\"date_spec\">\n" " <date_spec weekdays=\"5\" monthdays=\"13\" moon=\"4\"/>\n" " </date_expression>\n" " </rule> " #. Tag: title #, fuzzy, no-c-format msgid "Using Rules to Determine Resource Location" msgstr "Folosind Reguli pentru a Controla Opţiunile Resurselor" #. Tag: para #, fuzzy, no-c-format msgid " RuleDetermine Resource Location Determine Resource Location ResourceLocationDetermine by Rules LocationDetermine by Rules Determine by Rules " msgstr "RegulăDetermină Locația Resursei ResursăLocația, Determinată de Reguli Folosirea de Reguli pentru a Determina Locația Resursei" #. Tag: para #, fuzzy, no-c-format msgid "If the constraint’s outer-most rule evaluates to false, the cluster treats the constraint as if it was not there. When the rule evaluates to true, the node’s preference for running the resource is updated with the score associated with the rule." msgstr "Dacă regula cea mai exterioară a unei restricţii este evaluată la false, clusterul se poartă cu restricţia ca şi cum nu ar fi fost acolo. Când regula este evaluată ca true, preferinţa nodului pentru rularea resursei este actualizată cu scorul asociat cu această regulă." #. Tag: para #, no-c-format msgid "If this sounds familiar, its because you have been using a simplified syntax for location constraint rules already. Consider the following location constraint:" msgstr "Dacă acest lucru sună cunoscut, este datorită faptului că deja folosiţi o sintaxă simplificată pentru regulile de restricţie a locaţiei. Consideraţi următoarea restricţie de locaţie:" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03" msgstr "Împiedică myApacheRsc de a rula pe c001n03" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\"\n" " score=\"-INFINITY\" node=\"c001n03\"/>" msgstr "" "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\"\n" " score=\"-INFINITY\" node=\"c001n03\"/> " #. Tag: para #, no-c-format msgid "This constraint can be more verbosely written as:" msgstr "Aceaastă restricţie poate fi scrisă mai elaborat ca:" #. Tag: title #, no-c-format msgid "Prevent myApacheRsc from running on c001n03 - expanded version" msgstr "Împiedică myApacheRsc de a rula pe c001n03 - versiunea extinsă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\">\n" " <rule id=\"dont-run-apache-rule\" score=\"-INFINITY\">\n" " <expression id=\"dont-run-apache-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"c00n03\"/>\n" " </rule>\n" "</rsc_location>" msgstr "" " <rsc_location id=\"dont-run-apache-on-c001n03\" rsc=\"myApacheRsc\">\n" " <rule id=\"dont-run-apache-rule\" score=\"-INFINITY\">\n" " <expression id=\"dont-run-apache-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"c00n03\"/>\n" " </rule>\n" " </rsc_location> " #. Tag: para #, no-c-format msgid "The advantage of using the expanded form is that one can then add extra clauses to the rule, such as limiting the rule such that it only applies during certain times of the day or days of the week (this is discussed in subsequent sections)." msgstr "Avantajul folosirii formei extinse este că se pot adăuga clauze suplimentare la regulă, cum ar fi limitarea regulii astfel încât să se aplice doar în momente specifice ale zilei sau zilelor săptămânii (acest lucru este discutat în secţiunile următoare)." #. Tag: para #, fuzzy, no-c-format msgid "It also allows us to match on node properties other than its name. If we rated each machine’s CPU power such that the cluster had the following nodes section:" msgstr "Este folosit de asemenea pentru a realiza potriviri pe proprietăţi ale nodului altele decât numele acestuia. Dacă am apreciat puterea procesorului fiecărei maşini astfel încât clusterul să aibe următoarea secţiune de noduri: " #. Tag: title #, no-c-format msgid "A sample nodes section for use with score-attribute" msgstr "Un exemplu de secţiune de noduri pentru utilizarea cu score-attribute" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<nodes>\n" " <node id=\"uuid1\" uname=\"c001n01\" type=\"normal\">\n" " <instance_attributes id=\"uuid1-custom_attrs\">\n" " <nvpair id=\"uuid1-cpu_mips\" name=\"cpu_mips\" value=\"1234\"/>\n" " </instance_attributes>\n" " </node>\n" " <node id=\"uuid2\" uname=\"c001n02\" type=\"normal\">\n" " <instance_attributes id=\"uuid2-custom_attrs\">\n" " <nvpair id=\"uuid2-cpu_mips\" name=\"cpu_mips\" value=\"5678\"/>\n" " </instance_attributes>\n" " </node>\n" "</nodes>" msgstr "" " <nodes>\n" " <node id=\"uuid1\" uname=\"c001n01\" type=\"normal\">\n" " <instance_attributes id=\"uuid1-custom_attrs\">\n" " <nvpair id=\"uuid1-cpu_mips\" name=\"cpu_mips\" value=\"1234\"/>\n" " </instance_attributes>\n" " </node>\n" " <node id=\"uuid2\" uname=\"c001n02\" type=\"normal\">\n" " <instance_attributes id=\"uuid2-custom_attrs\">\n" " <nvpair id=\"uuid2-cpu_mips\" name=\"cpu_mips\" value=\"5678\"/>\n" " </instance_attributes>\n" " </node>\n" " </nodes> " #. Tag: para #, no-c-format msgid "then we could prevent resources from running on underpowered machines with the rule" msgstr "atunci am putea împiedica resursele de a rula pe maşini fără nivelul de procesare cerut cu această regulă" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rule id=\"need-more-power-rule\" score=\"-INFINITY\">\n" " <expression id=\" need-more-power-expr\" attribute=\"cpu_mips\"\n" " operation=\"lt\" value=\"3000\"/>\n" "</rule>" msgstr "" " <rule id=\"need-more-power-rule\" score=\"-INFINITY\">\n" " <expression id=\" need-more-power-expr\" attribute=\"cpu_mips\"\n" " operation=\"lt\" value=\"3000\"/>\n" " </rule> " #. Tag: title #, no-c-format msgid "Using score-attribute Instead of score" msgstr "Folosind score-attribute în loc de score" #. Tag: para #, no-c-format msgid "When using score-attribute instead of score, each node matched by the rule has its score adjusted differently, according to its value for the named node attribute. Thus, in the previous example, if a rule used score-attribute=\"cpu_mips\", c001n01 would have its preference to run the resource increased by 1234 whereas c001n02 would have its preference increased by 5678." msgstr "Când folosim score-attribute în loc de score, fiecare nod care se potriveşte regulii va avea scorul acestuia ajustat în mod diferit, în funcţie de valoarea sa pentru atributul numit de nod. Prin urmare în exemplul anterior, dacă o regulă folosea score-attribute=\"cpu_mips\", c001n01 ar avea preferinţa proprie de a rula resursa crescută cu 1234 în timp ce c001n02 ar avea preferinţa crescută cu 5678." #. Tag: title #, no-c-format msgid "Using Rules to Control Resource Options" msgstr "Folosind Reguli pentru a Controla Opţiunile Resurselor" #. Tag: para #, fuzzy, no-c-format msgid "Often some cluster nodes will be different from their peers; sometimes these differences (the location of a binary or the names of network interfaces) require resources to be configured differently depending on the machine they’re hosted on." msgstr "Adeseori unele noduri din cluster vor fi diferite de altele, câteodată aceste diferenţe (locaţia unui binar sau numele interfeţelor de reţea) necesită ca şi resursele să fie configurate diferit în funcţie de maşina pe care sunt găzduite." #. Tag: para #, no-c-format msgid "By defining multiple instance_attributes objects for the resource and adding a rule to each, we can easily handle these special cases." msgstr "Prin definirea de obiecte multiple instance_attributes pentru resursă şi prin adăugarea unei reguli pentru fiecare, putem gestiona facil aceste cazuri speciale." #. Tag: para #, no-c-format msgid "In the example below, mySpecialRsc will use eth1 and port 9999 when run on node1, eth2 and port 8888 on node2 and default to eth0 and port 9999 for all other nodes." msgstr "În exemplul de mai jos, mySpecialRsc va folosi eth1 şi portul 9999 când va rula pe node1, eth2 şi portul 8888 pe node2 şi va avea valorea implicită eth0 şi portul 9999 pentru toate celelalte noduri. " #. Tag: title #, no-c-format msgid "Defining different resource options based on the node name" msgstr "Definirea de opţiuni de resursă diferite pe baza numelui nodului" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"special-node1\" score=\"3\">\n" " <rule id=\"node1-special-case\" score=\"INFINITY\" >\n" " <expression id=\"node1-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" " <nvpair id=\"node1-interface\" name=\"interface\" value=\"eth1\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"special-node2\" score=\"2\" >\n" " <rule id=\"node2-special-case\" score=\"INFINITY\">\n" " <expression id=\"node2-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node2\"/>\n" " </rule>\n" " <nvpair id=\"node2-interface\" name=\"interface\" value=\"eth2\"/>\n" " <nvpair id=\"node2-port\" name=\"port\" value=\"8888\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"defaults\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" "</primitive>" msgstr "" " <primitive id=\"mySpecialRsc\" class=\"ocf\" type=\"Special\" provider=\"me\">\n" " <instance_attributes id=\"special-node1\" score=\"3\">\n" " <rule id=\"node1-special-case\" score=\"INFINITY\" >\n" " <expression id=\"node1-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node1\"/>\n" " </rule>\n" " <nvpair id=\"node1-interface\" name=\"interface\" value=\"eth1\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"special-node2\" score=\"2\" >\n" " <rule id=\"node2-special-case\" score=\"INFINITY\">\n" " <expression id=\"node2-special-case-expr\" attribute=\"#uname\"\n" " operation=\"eq\" value=\"node2\"/>\n" " </rule>\n" " <nvpair id=\"node2-interface\" name=\"interface\" value=\"eth2\"/>\n" " <nvpair id=\"node2-port\" name=\"port\" value=\"8888\"/>\n" " </instance_attributes>\n" " <instance_attributes id=\"defaults\" score=\"1\" >\n" " <nvpair id=\"default-interface\" name=\"interface\" value=\"eth0\"/>\n" " <nvpair id=\"default-port\" name=\"port\" value=\"9999\"/>\n" " </instance_attributes>\n" " </primitive> " #. Tag: para #, no-c-format msgid "The order in which instance_attributes objects are evaluated is determined by their score (highest to lowest). If not supplied, score defaults to zero and objects with an equal score are processed in listed order. If the instance_attributes object does not have a rule or has a rule that evaluates to true, then for any parameter the resource does not yet have a value for, the resource will use the parameter values defined by the instance_attributes object." msgstr "Ordinea în care obiectele instance_attributes sunt evaluate este determinată de către scorul acestora (cel mai mare la cel mai mic). Dacă nu este furnizat, scorul va avea valoarea implicită zero şi obiectele cu un scor egal sunt procesate în ordinea listată. Dacă obiectul instance_attributes nu are o rule sau are o rule care este evaluată la true, atunci pentru orice parametru pentru care resursa nu are înca o valoare, resursa va folosi valorile parametrilor definite de obiectul instance_attributes." #. Tag: title #, fuzzy, no-c-format msgid "Using Rules to Control Cluster Options" msgstr "Folosind Reguli pentru a Controla Opţiunile Resurselor" #. Tag: para #, fuzzy, no-c-format msgid " RuleControlling Cluster Options Controlling Cluster Options ClusterSetting Options with Rules Setting Options with Rules " msgstr "RegulaControlarea Opțiunilor Clusterului Opțiunile ClusteruluiControlat de Reguli Folosirea Regulilor pentru a Controla Opțiunile Clusterului" #. Tag: para #, no-c-format msgid "Controlling cluster options is achieved in much the same manner as specifying different resource options on different nodes." msgstr "Controlarea opţiunilor clusterului este reuşită în mare parte prin aceeaşi manieră ca şi specificarea diverselor opţiuni pentru resurse pe noduri diferite." #. Tag: para #, fuzzy, no-c-format msgid "The difference is that because they are cluster options, one cannot (or should not, because they won’t work) use attribute based expressions. The following example illustrates how to set a different resource-stickiness value during and outside of work hours. This allows resources to automatically move back to their most preferred hosts, but at a time that (in theory) does not interfere with business activities." msgstr "Diferenţa este că din cauza că sunt opţiuni de cluster, nu ar trebui să puteţi (sau nu ar trebui să pentru că acestea nu funcţionează) să folosiţi expresii bazate pe atribute. Următorul exemplu ilustrează cum să setaţi o valoare resource-stickiness diferită în timpul şi în afara orelor de lucru. Acest lucru permite resurselor să se mute înapoi în mod automat la gazdele cele mai preferate, dar la un moment în care (teoretic) nu interferează cu activităţile de business." #. Tag: title #, no-c-format msgid "Change resource-stickiness during working hours" msgstr "Schimbarea resource-stickiness în timpul orelor de lucru" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<rsc_defaults>\n" " <meta_attributes id=\"core-hours\" score=\"2\">\n" " <rule id=\"core-hour-rule\" score=\"0\">\n" " <date_expression id=\"nine-to-five-Mon-to-Fri\" operation=\"date_spec\">\n" " <date_spec id=\"nine-to-five-Mon-to-Fri-spec\" hours=\"9-16\" weekdays=\"1-5\"/>\n" " </date_expression>\n" " </rule>\n" " <nvpair id=\"core-stickiness\" name=\"resource-stickiness\" value=\"INFINITY\"/>\n" " </meta_attributes>\n" " <meta_attributes id=\"after-hours\" score=\"1\" >\n" " <nvpair id=\"after-stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" "</rsc_defaults>" msgstr "" " <rsc_defaults>\n" " <meta_attributes id=\"core-hours\" score=\"2\">\n" " <rule id=\"core-hour-rule\" score=\"0\">\n" " <date_expression id=\"nine-to-five-Mon-to-Fri\" operation=\"date_spec\">\n" " <date_spec id=\"nine-to-five-Mon-to-Fri-spec\" hours=\"9-16\" weekdays=\"1-5\"/>\n" " </date_expression>\n" " </rule>\n" " <nvpair id=\"core-stickiness\" name=\"resource-stickiness\" value=\"INFINITY\"/>\n" " </meta_attributes>\n" " <meta_attributes id=\"after-hours\" score=\"1\" >\n" " <nvpair id=\"after-stickiness\" name=\"resource-stickiness\" value=\"0\"/>\n" " </meta_attributes>\n" " </rsc_defaults> " #. Tag: title #, no-c-format msgid "Ensuring Time Based Rules Take Effect" msgstr "Asigurarea că Regulile Bazate pe Timp Iau Efect" #. Tag: para #, fuzzy, no-c-format msgid "A Pacemaker cluster is an event driven system. As such, it won’t recalculate the best place for resources to run in unless something (like a resource failure or configuration change) happens. This can mean that a location constraint that only allows resource X to run between 9am and 5pm is not enforced." msgstr "Un cluster Pacemaker este un sistem condus de evenimente. Prin urmare, nu va recalcula cel mai bun loc pentru a rula resursele decât dacă ceva (cum ar fi eşecul unei resurse sau modificarea configuraţiei) se întâmplă. Asta poate însemna că o restricţie a locaţiei care permite resursei X să ruleze numai între 9am şi 5pm nu este aplicată în mod obligatoriu." #. Tag: para #, no-c-format msgid "If you rely on time based rules, it is essential that you set the cluster-recheck-interval option. This tells the cluster to periodically recalculate the ideal state of the cluster. For example, if you set cluster-recheck-interval=5m, then sometime between 9:00 and 9:05 the cluster would notice that it needs to start resource X, and between 17:00 and 17:05 it would realize that X needed to be stopped." msgstr "Dacă vă bazaţi pe reguli bazate pe timp, este esenţial să setaţi opţiunea cluster-recheck-interval. Aceasta spune clusterului să recalculeze periodic starea ideală a clusterului. De exemplu, dacă setaţi cluster-recheck-interval=5m, atunci cândva între 9:00 şi 9:05 clusterul va detecta că trebuie să pornească resursa X, iar între 17:00 şi 17:05 va realiza că trebuie să o oprească." #. Tag: para #, fuzzy, no-c-format msgid "Note that the timing of the actual start and stop actions depends on what else needs to be performed first ." msgstr "Ţineţi cont că momentul efectiv de pornire şi oprire al acţiunilor depinde de ce alte lucruri trebuie efectuate mai întâi." #~ msgid "role Rule Property RulePropertiesrole role" #~ msgstr "Proprietatea Regulii role ProprietățileReguliirole role" #~ msgid "The score to apply if the rule evaluates to true. Limited to use in rules that are part of location constraints." #~ msgstr "Scorul pe care să îl aplice în cazul în care regula este evaluată la true. Limitată la folosirea în reguli care sunt parte din restricţiile de locaţie." #~ msgid "score-attribute Rule Property RulePropertiesscore-attribute score-attribute" #~ msgstr "Proprietatea Regulii score-attribute ProprietățileReguliiscore-attribute score-attribute" #~ msgid "The node attribute to look up and use as a score if the rule evaluates to true. Limited to use in rules that are part of location constraints." #~ msgstr "Atributul nodului pe care să îl caute şi pe care să îl folosească drept scor dacă regula se evaluează la true. Limitată la folosirea în reguli care sunt parte din restricţii de locaţie." #~ msgid "boolean-op Rule Property RulePropertiesboolean-op boolean-op" #~ msgstr "Proprietatea Regulii boolean-op ProprietățileReguliiboolean-op boolean-op" #~ msgid "How to combine the result of multiple expression objects. Allowed values: and and or." #~ msgstr "Cum să combinaţi rezultatul mai multor obiecte de expresii. Valori permise: and și or." #~ msgid "NodeAttribute ExpressionsNode Attribute Expressions" #~ msgstr "Expresiile AtributelorNoduluiExpresiile Atributelor Nodului" #~ msgid "value Expression Property Expression Propertiesvalue value" #~ msgstr "Proprietatea Expresiei value Proprietățile Proprietățiivalue value" #~ msgid "User supplied value for comparison" #~ msgstr "Valorea furnizată de utilizator pentru comparaţie" #~ msgid "attribute Expression Property Expression Propertiesattribute attribute" #~ msgstr "Proprietatea Expresiei attribute Proprietățile Proprietățiiattribute attribute" #~ msgid "The node attribute to test" #~ msgstr "Atributul nodului care să fie testat" #~ msgid "typeExpression Property Expression Propertiestype type" #~ msgstr "Proprietatea Expresiei type Proprietățile Proprietățiitype type" #~ msgid "Determines how the value(s) should be tested. Allowed values: string, integer, version" #~ msgstr "Determină cum ar trebui să fie testate valorile. Valori permise: string, integer, version" #~ msgid "operation Expression Property Expression Propertiesoperation operation" #~ msgstr "Proprietatea Expresiei operation Proprietățile Proprietățiioperation operation" #~ msgid "not_defined - True if the node does not have the named attribute" #~ msgstr "not_defined - Adevărat dacă nodul nu are un atribut numit" #~ msgid "Time Based Expressions ExpressionTime/Date Based Time/Date Based Expressions" #~ msgstr "Expresii Bazate pe Timp ExpresiiBazate pe Timp/Dată Expresii Bazate pe Timp/Dată" #~ msgid "start" #~ msgstr "început" #~ msgid "A date/time conforming to the ISO8601 specification." #~ msgstr "O dată/oră conformă cu specificaţia ISO8601." #~ msgid "end" #~ msgstr "sfârşit" #~ msgid "A date/time conforming to the ISO8601 specification. Can be inferred by supplying a value for start and a duration." #~ msgstr "O dată/oră conformă cu specificaţia ISO8601. Poate fi omisă dacă se furnizează o valoare pentru start şi o duration." #~ msgid "date-spec - performs a cron-like comparison to the current date/time" #~ msgstr "date-spec - efectuează o comparaţie similară cron-ului față de ora/data curentă" #~ msgid "Date Specifications Date Specifications" #~ msgstr "Specificațiile Datei Specificațiile Datei" #~ msgid "idDate Spec Property Date Spec Propertiesid id" #~ msgstr "idProprietatea Specificației de Dată Proprietățile Specificației de Datăid id" #~ msgid "A unique name for the date" #~ msgstr "Un nume unic pentru dată" #~ msgid "hours Date Spec Property Date Spec Propertieshours hours" #~ msgstr "Proprietatea hours a Specificației de Dată Proprietățile Specificației de Datăhours hours" #~ msgid "Allowed values: 0-23" #~ msgstr "Valori permise: 0-23" #~ msgid "monthdays Date Spec Property Date Spec Propertiesmonthdays monthdays" #~ msgstr "Proprietatea monthdays a Specificației de Dată Proprietățile Specificației de Datămonthdays monthdays" #~ msgid "Allowed values: 0-31 (depending on month and year)" #~ msgstr "Valori permise: 0-31 (în funcţie de luna curentă şi an)" #~ msgid "weekdays Date Spec Property Date Spec Propertiesweekdays weekdays" #~ msgstr "Proprietatea weekdays a Specificației de Dată Proprietățile Specificației de Datăweekdays weekdays" #~ msgid "Allowed values: 1-7 (1=Monday, 7=Sunday)" #~ msgstr "Valori permise: 1-7 (1=Luni, 7=Duminică)" #~ msgid "yeardays Date Spec Property Date Spec Propertiesyeardays yeardays" #~ msgstr "Proprietatea yeardays a Specificației de Dată Proprietățile Specificației de Datăyeardays yeardays" #~ msgid "Allowed values: 1-366 (depending on the year)" #~ msgstr "Valori permise: 1-366 (în funcţie de anul curent)" #~ msgid "months Date Spec Property Date Spec Propertiesmonths months" #~ msgstr "Proprietatea months a Specificației de Dată Proprietățile Specificației de Datămonths months" #~ msgid "Allowed values: 1-12" #~ msgstr "Valori permise: 1-12" #~ msgid "weeks Date Spec Property Date Spec Propertiesweeks weeks" #~ msgstr "Proprietatea weeks a Specificației de Dată Proprietățile Specificației de Datăweeks weeks" #~ msgid "Allowed values: 1-53 (depending on weekyear)" #~ msgstr "Valori permise: 1-53 (în funcţie câte săptămâni are anul)" #~ msgid "years Date Spec Property Date Spec Propertiesyears years" #~ msgstr "Proprietatea years a Specificației de Dată Proprietățile Specificației de Datăyears years" #~ msgid "Year according the Gregorian calendar" #~ msgstr "Anul conform calendarului Gregorian" #~ msgid "weekyears Date Spec Property Date Spec Propertiesweekyears weekyears" #~ msgstr "Proprietatea weekyears a Specificației de Dată Proprietățile Specificației de Datăweekyears weekyears" #~ msgid "May differ from Gregorian years; Eg. 2005-001 Ordinal is also 2005-01-01 Gregorian is also 2004-W53-6 Weekly" #~ msgstr "Ar putea fi diferit față de anii Gregorieni; Ex. 2005-001 Ordinal este de asemenea 2005-01-01 Gregorian şi de asemenea 2004-W53-6 Weekly" #~ msgid "moon Date Spec Property Date Spec Propertiesmoon moon" #~ msgstr "Proprietatea moon a Specificației de Dată Proprietățile Specificației de Datămoon moon" #~ msgid "Allowed values: 0-7 (0 is new, 4 is full moon). Seriously, you can use this. This was implemented to demonstrate the ease with which new comparisons could be added." #~ msgstr "Valori permise: 0..7 (0 este pentru lună nouă, 4 pentru pentru lună plină). Nu glumesc, puteţi folosi asta. Acest lucru a fost implementat ca să demonstreze uşurinţa cu care se pot adăuga comparaţii noi." #~ msgid "Durations Expressions ExpressionsDurations Durations" #~ msgstr "Expresii de Durată Expresiide Durată de Durată" #~ msgid "This means that the range includes all of 2005-03-01 but none of 2005-04-01." #~ msgstr "Acest lucru înseamnă că şirul include tot din 2005-03-01 dar nimic din 2005-04-01." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Status.po000066400000000000000000001457431217637305600240660ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Status - Here be dragons" msgstr "Status - Aici sunt dragoni" #. Tag: para #, fuzzy, no-c-format msgid "Most users never need to understand the contents of the status section and can be happy with the output from crm_mon." msgstr "Majoritatea utilizatorilor nu trebuie niciodată să înţeleagă conţinutul secţiunii de status şi se pot mulţumi cu rezultatul de ieşire de la crm_mon. Totuşi pentru aceia dintre voi cu o înclinaţie către curiozitate, următoarele încearcă să furnizeze o vedere de ansamblu asupra conţinutului acestuia." #. Tag: para #, fuzzy, no-c-format msgid "However for those with a curious inclination, this section attempts to provide an overview of its contents." msgstr "Majoritatea utilizatorilor nu trebuie niciodată să înţeleagă conţinutul secţiunii de status şi se pot mulţumi cu rezultatul de ieşire de la crm_mon. Totuşi pentru aceia dintre voi cu o înclinaţie către curiozitate, următoarele încearcă să furnizeze o vedere de ansamblu asupra conţinutului acestuia." #. Tag: title #, fuzzy, no-c-format msgid "Node Status" msgstr "Câmpuri de Status ale Nodului" #. Tag: para #, fuzzy, no-c-format msgid " NodeStatus Status Status of a Node " msgstr "StatusulNodului Statusul unui Nod Statusul Nodului" #. Tag: para #, fuzzy, no-c-format msgid "In addition to the cluster’s configuration, the CIB holds an up-to-date representation of each cluster node in the status section." msgstr "În plus faţă de configuraţia clusterului, CIB-ul menţine o reprezentare cât mai actualizată a fiecărui nod din cluster în secţiunea de status." #. Tag: title #, no-c-format msgid "A bare-bones status entry for a healthy node called cl-virt-1" msgstr "O intrare iniţială de status pentru un nod sănătos numit cl-virt-1" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <node_state id=\"cl-virt-1\" uname=\"cl-virt-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_update_resource\">\n" " <transient_attributes id=\"cl-virt-1\"/>\n" " <lrm id=\"cl-virt-1\"/>\n" " </node_state>" msgstr "" " <node_state id=\"cl-virt-1\" uname=\"cl-virt-2\" ha=\"active\" in_ccm=\"true\" crmd=\"online\" join=\"member\" expected=\"member\" crm-debug-origin=\"do_update_resource\">\n" " <transient_attributes id=\"cl-virt-1\"/>\n" " <lrm id=\"cl-virt-1\"/>\n" " </node_state> " #. Tag: para #, fuzzy, no-c-format msgid "Users are highly recommended not to modify any part of a node’s state directly. The cluster will periodically regenerate the entire section from authoritative sources. So any changes should be done with the tools for those subsystems." msgstr "Utilizatorilor li se recomandă stringent să nu modifice nici o parte din starea nodului în mod direct. Clusterul va regenera periodic întreaga secţiune din surse autoritative. Aşa că orice modificare ar trebui executată cu utilitarele pentru acele subsisteme." #. Tag: title #, no-c-format msgid "Authoritative Sources for State Information" msgstr "Surse Autoritative pentru Informaţia de Stare" #. Tag: entry #, no-c-format msgid "Dataset" msgstr "Dataset" #. Tag: entry #, no-c-format msgid "Authoritative Source" msgstr "Sursă Autoritativă" #. Tag: para #, fuzzy, no-c-format msgid "node_state fields" msgstr "câmpurile node_state" #. Tag: para #, no-c-format msgid "crmd" msgstr "crmd" #. Tag: para #, fuzzy, no-c-format msgid "transient_attributes tag" msgstr "tag-ul transient_attributes" #. Tag: para #, no-c-format msgid "attrd" msgstr "attrd" #. Tag: para #, no-c-format msgid "lrm tag" msgstr "" #. Tag: para #, no-c-format msgid "lrmd" msgstr "lrmd" #. Tag: para #, fuzzy, no-c-format msgid "The fields used in the node_state objects are named as they are largely for historical reasons and are rooted in Pacemaker’s origins as the Heartbeat resource manager." msgstr "Câmpurile folosite în obiectele node_state sunt denumite aşa cum sunt în mare parte din motive istorice şi sunt înrădăcinate în originile Pacemaker-ului ca manager de resurse pentru Heartbeat. Acestea au rămas neschimbate pentru a păstra compatibilitatea cu versiuni mai vechi." #. Tag: para #, no-c-format msgid "They have remained unchanged to preserve compatibility with older versions." msgstr "" #. Tag: title #, no-c-format msgid "Node Status Fields" msgstr "Câmpuri de Status ale Nodului" #. Tag: entry #, no-c-format msgid "Field" msgstr "Câmp" #. Tag: entry #, no-c-format msgid "Description" msgstr "Descriere" #. Tag: para #, fuzzy, no-c-format msgid "id" msgstr "Valoarea aşteptată pentru join." #. Tag: para #, no-c-format msgid " idNode Status Node Status NodeStatusid Statusid id Unique identifier for the node. Corosync based clusters use the uname of the machine, Heartbeat clusters use a human-readable (but annoying) UUID." msgstr "" #. Tag: para #, no-c-format msgid "uname" msgstr "" #. Tag: para #, no-c-format msgid " unameNode Status Node Status NodeStatusuname Statusuname uname The node’s machine name (output from uname -n)." msgstr "" #. Tag: para #, no-c-format msgid "ha" msgstr "" #. Tag: para #, no-c-format msgid " haNode Status Node Status NodeStatusha Statusha ha Flag specifying whether the cluster software is active on the node. Allowed values: active, dead." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "in_ccm" msgstr "Valoarea aşteptată pentru join." #. Tag: para #, no-c-format msgid " in_ccmNode Status Node Status NodeStatusin_ccm Statusin_ccm in_ccm Flag for cluster membership; allowed values: true, false." msgstr "" #. Tag: para #, no-c-format msgid "crmd" msgstr "" #. Tag: para #, no-c-format msgid " crmdNode Status Node Status NodeStatuscrmd Statuscrmd crmd Flag: is the crmd process active on the node? One of online, offline." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "join" msgstr "Valoarea aşteptată pentru join." #. Tag: para #, no-c-format msgid " joinNode Status Node Status NodeStatusjoin Statusjoin join Flag saying whether the node participates in hosting resources. Possible values: down, pending, member, banned." msgstr "" #. Tag: para #, no-c-format msgid "expected" msgstr "" #. Tag: para #, no-c-format msgid " expectedNode Status Node Status NodeStatusexpected Statusexpected expected Expected value for join." msgstr "" #. Tag: para #, no-c-format msgid "crm-debug-origin" msgstr "" #. Tag: para #, no-c-format msgid " crm-debug-originNode Status Node Status NodeStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin Diagnostic indicator: the origin of the most recent change(s)." msgstr "" #. Tag: para #, no-c-format msgid "The cluster uses these fields to determine if, at the node level, the node is healthy or is in a failed state and needs to be fenced." msgstr "Clusterul foloseşte aceste câmpuri ca să determine dacă, la nivel de nod, nodul este sănătos sau este într-o stare defectuoasă şi trebuie evacuat forțat." #. Tag: title #, no-c-format msgid "Transient Node Attributes" msgstr "Atribute Tranziente ale Nodului" #. Tag: para #, no-c-format msgid "Like regular node attributes, the name/value pairs listed here also help to describe the node. However they are forgotten by the cluster when the node goes offline. This can be useful, for instance, when you want a node to be in standby mode (not able to run resources) until the next reboot." msgstr "Precum atributele nodului obişnuite, perechile nume/valoare listate aici ajută de asemenea la descrierea nodului. Totuşi acestea sunt uitate de către cluster atunci când nodul trece în mod offline. Acest lucru poate fi util, de exemplu, când vreţi un nod să se afle în mod standby (să nu poată rula resurse) până la următorul reboot." #. Tag: para #, no-c-format msgid "In addition to any values the administrator sets, the cluster will also store information about failed resources here." msgstr "În plus faţă de orice valori setează administratorul, clusterul va stoca de asemenea informaţii despre resursele eşuate aici." #. Tag: title #, no-c-format msgid "Example set of transient node attributes for node \"cl-virt-1\"" msgstr "Exemplu de atribute tranziente de nod pentru nodul \"cl-virt-1\"" #. Tag: programlisting #, fuzzy, no-c-format msgid "" " <transient_attributes id=\"cl-virt-1\">\n" " <instance_attributes id=\"status-cl-virt-1\">\n" " <nvpair id=\"status-cl-virt-1-pingd\" name=\"pingd\" value=\"3\"/>\n" " <nvpair id=\"status-cl-virt-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " <nvpair id=\"status-cl-virt-1-fail-count-pingd:0\" name=\"fail-count-pingd:0\" value=\"1\"/>\n" " <nvpair id=\"status-cl-virt-1-last-failure-pingd:0\" name=\"last-failure-pingd:0\" value=\"1239009742\"/>\n" " </instance_attributes>\n" " </transient_attributes>" msgstr "" " <transient_attributes id=\"cl-virt-1\">\n" " <instance_attributes id=\"status-cl-virt-1\">\n" " <nvpair id=\"status-cl-virt-1-pingd\" name=\"pingd\" value=\"3\"/>\n" " <nvpair id=\"status-cl-virt-1-probe_complete\" name=\"probe_complete\" value=\"true\"/>\n" " <nvpair id=\"status-cl-virt-1-fail-count-pingd:0\" name=\"fail-count-pingd:0\" value=\"1\"/>\n" " <nvpair id=\"status-cl-virt-1-last-failure-pingd:0\" name=\"last-failure-pingd:0\"\n" " value=\"1239009742\"/>\n" " </instance_attributes>\n" " </transient_attributes> " #. Tag: para #, fuzzy, no-c-format msgid "In the above example, we can see that the pingd:0 resource has failed once, at Mon Apr 6 11:22:22 2009. You can use the standard date command to print a human readable of any seconds-since-epoch value: # date -d @<parameter>number</parameter> We also see that the node is connected to three \"pingd\" peers and that all known resources have been checked for on this machine (probe_complete)." msgstr "În exemplul de mai sus, putem vedea că resursa pingd:0 a eşuat o dată, pe Mon Apr 6 11:22:22 2009 Puteți folosi comanda standard date pentru a lista în format ușor de citit de oameni a oricărei valori a secundelor-de-la-epoch: # date -d @număr . Observăm de asemenea că nodul este conectat la trei noduri \"pingd\" şi că toate resursele cunoscute au fost verificate pe această maşină (probe_complete)." #. Tag: title #, no-c-format msgid "Operation History" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid " Operation History " msgstr "Istoria Operațiunilor Istoria Operațiunilor" #. Tag: para #, fuzzy, no-c-format msgid "A node’s resource history is held in the lrm_resources tag (a child of the lrm tag). The information stored here includes enough information for the cluster to stop the resource safely if it is removed from the configuration section. Specifically the resource’s id, class, type and provider are stored." msgstr "Istoricul resurselor unui nod este ţinut în tag-ul lrm_resources (un copil al tag-ului lrm). Informaţia stocată aici include destulă informaţie pentru ca şi clusterul să oprească resursa în siguranţă dacă este îndepărtată din secţiunea de configurare. În mod specific stocăm id, class, type şi provider-ul resursei sunt stocate." #. Tag: title #, no-c-format msgid "A record of the apcstonith resource" msgstr "O înregistrare a resursei apcstonith" #. Tag: programlisting #, fuzzy, no-c-format msgid "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\"/>" msgstr "" "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\">\n" "\t" #. Tag: para #, no-c-format msgid "Additionally, we store the last job for every combination of resource, action and interval. The concatenation of the values in this tuple are used to create the id of the lrm_rsc_op object." msgstr "Suplimentar, stocăm ultimul job pentru fiecare combinaţie de resource, action şi interval. Concatenarea valorilor din această tuplă este folosită pentru a crea id-ul obiectului lrm_rsc_op." #. Tag: title #, fuzzy, no-c-format msgid "Contents of an lrm_rsc_op job" msgstr "Conţinutul unui job lrm_rsc_op." #. Tag: para #, fuzzy, no-c-format msgid " idAction Status Action Status ActionStatusid Statusid id " msgstr "idCâmp pentru Statusul Nodului Câmpul de Statusal Noduluiid id" #. Tag: para #, fuzzy, no-c-format msgid "Identifier for the job constructed from the resource’s id, operation and interval." msgstr "Identificatorul pentru job construit din id-ul resursei, operation şi interval." #. Tag: para #, no-c-format msgid "call-id" msgstr "" #. Tag: para #, no-c-format msgid " call-idAction Status Action Status ActionStatuscall-id Statuscall-id call-id " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s ticket number. Used as a sort key to determine the order in which the jobs were executed." msgstr "Numărul tichetului job-ului. Folosit ca şi cheie de sortare pentru a determina ordinea în care job-urile au fost executate." #. Tag: para #, fuzzy, no-c-format msgid "operation" msgstr "Valoarea aşteptată pentru join." #. Tag: para #, no-c-format msgid " operationAction Status Action Status ActionStatusoperation Statusoperation operation " msgstr "" #. Tag: para #, no-c-format msgid "The action the resource agent was invoked with." msgstr "Acţiunea cu care a fost invocat agentul de resursă." #. Tag: para #, fuzzy, no-c-format msgid "interval" msgstr "Valoarea aşteptată pentru join." #. Tag: para #, no-c-format msgid " intervalAction Status Action Status ActionStatusinterval Statusinterval interval " msgstr "" #. Tag: para #, no-c-format msgid "The frequency, in milliseconds, at which the operation will be repeated. A one-off job is indicated by 0." msgstr "Frecvenţa, în milisecunde, la care va fi repetată operaţiunea. 0 indică un job unicat." #. Tag: para #, no-c-format msgid "op-status" msgstr "" #. Tag: para #, no-c-format msgid " op-statusAction Status Action Status ActionStatusop-status Statusop-status op-status " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s status. Generally this will be either 0 (done) or -1 (pending). Rarely used in favor of rc-code." msgstr "Status-ul job-ului. În general acesta va fi ori 0 (completat) ori -1 (în aşteptare). Rareori folosit în favoarea a rc-code." #. Tag: para #, no-c-format msgid "rc-code" msgstr "" #. Tag: para #, no-c-format msgid " rc-codeAction Status Action Status ActionStatusrc-code Statusrc-code rc-code " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "The job’s result. Refer to for details on what the values here mean and how they are interpreted." msgstr "Rezultatul job-ului. Faceţi referire la pentru detalii despre ce înseamnă valorile de aici şi cum sunt interpretate." #. Tag: para #, no-c-format msgid "last-run" msgstr "" #. Tag: para #, no-c-format msgid " last-runAction Status Action Status ActionStatuslast-run Statuslast-run last-run " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job was executed." msgstr "Indicator de diagnostic. Ora/data locală a maşinii, în secunde de la epoch, la care job-ul a fost executat." #. Tag: para #, no-c-format msgid "last-rc-change" msgstr "" #. Tag: para #, no-c-format msgid " last-rc-changeAction Status Action Status ActionStatuslast-rc-change Statuslast-rc-change last-rc-change " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Machine local date/time, in seconds since epoch, at which the job first returned the current value of rc-code." msgstr "Indicator de diagnostic. Ora/data locală a maşinii, în secunde de la epocă, la care job-ul a returnat prima oară valoarea rc-code." #. Tag: para #, no-c-format msgid "exec-time" msgstr "" #. Tag: para #, no-c-format msgid " exec-timeAction Status Action Status ActionStatusexec-time Statusexec-time exec-time " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Time, in milliseconds, that the job was running for." msgstr "Indicator de diagnostic. Timpul, în milisecunde, pentru care a rulat job-ul" #. Tag: para #, no-c-format msgid "queue-time" msgstr "" #. Tag: para #, no-c-format msgid " queue-timeAction Status Action Status ActionStatusqueue-time Statusqueue-time queue-time " msgstr "" #. Tag: para #, no-c-format msgid "Diagnostic indicator. Time, in seconds, that the job was queued for in the LRMd." msgstr "Indicator de diagnostic. Timpul, în secunde, pentru care a fost pus job-ul în coada de aşteptare în LRMd" #. Tag: para #, no-c-format msgid "crm_feature_set" msgstr "" #. Tag: para #, no-c-format msgid " crm_feature_setAction Status Action Status ActionStatuscrm_feature_set Statuscrm_feature_set crm_feature_set " msgstr "" #. Tag: para #, no-c-format msgid "The version which this job description conforms to. Used when processing op-digest." msgstr "Versiunea la care se conformează această descriere a job-ului. Folosită când se procesează op-digest." #. Tag: para #, no-c-format msgid "transition-key" msgstr "" #. Tag: para #, no-c-format msgid " transition-keyAction Status Action Status ActionStatustransition-key Statustransition-key transition-key " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A concatenation of the job’s graph action number, the graph number, the expected result and the UUID of the crmd instance that scheduled it. This is used to construct transition-magic (below)." msgstr "O concatenare a numărului de acţiune al grafului job-ului, numărul grafului, rezultatul aşteptat şi UUID-ul instanţei de crmd care l-a programat. Acesta este folosit pentru a construi transition-magic (mai jos)." #. Tag: para #, no-c-format msgid "transition-magic" msgstr "" #. Tag: para #, no-c-format msgid " transition-magicAction Status Action Status ActionStatustransition-magic Statustransition-magic transition-magic " msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "A concatenation of the job’s op-status, rc-code and transition-key. Guaranteed to be unique for the life of the cluster (which ensures it is part of CIB update notifications) and contains all the information needed for the crmd to correctly analyze and process the completed job. Most importantly, the decomposed elements tell the crmd if the job entry was expected and whether it failed." msgstr "O concatenare a op-status-ului job-ului, rc-code-ului şi a transition-key. Garantat să fie unic pe perioada vieţii clusterului (fapt care asigură ca este parte din notificările de actualizări ale CIB-ului) şi conţine toată informaţia necesară ca şi crmd-ul să analizeze şi să proceseze corect job-ul terminat. Cel mai important, elementele descompuse îi spun crmd-ului dacă intrarea pentru job era aşteptată şi dacă aceasta a eşuat." #. Tag: para #, no-c-format msgid "op-digest" msgstr "" #. Tag: para #, no-c-format msgid " op-digestAction Status Action Status ActionStatusop-digest Statusop-digest op-digest " msgstr "" #. Tag: para #, no-c-format msgid "An MD5 sum representing the parameters passed to the job. Used to detect changes to the configuration, to restart resources if necessary." msgstr "Un hash MD5 reprezentând parametrii trimişi job-ului. Folosit pentru a detecta schimbările în configuraţie şi a reporni resursele dacă este necesar." #. Tag: para #, fuzzy, no-c-format msgid " crm-debug-originAction Status Action Status ActionStatuscrm-debug-origin Statuscrm-debug-origin crm-debug-origin " msgstr "Câmpul crm-debug-origin pentru Statusul Nodului Câmpul de Statusal Noduluicrm-debug-origin crm-debug-origin" #. Tag: para #, no-c-format msgid "Diagnostic indicator. The origin of the current values." msgstr "Indicator de diagnostic. Originea valorilor curente." #. Tag: title #, no-c-format msgid "Simple Example" msgstr "Exemplu Simplu" #. Tag: title #, no-c-format msgid "A monitor operation (determines current state of the apcstonith resource)" msgstr "O operaţiune de monitorizare (determina starea curentă a resursei apcstonith)" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\">\n" " <lrm_rsc_op id=\"apcstonith_monitor_0\" operation=\"monitor\" call-id=\"2\"\n" " rc-code=\"7\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " op-digest=\"2e3da9274d3550dc6526fb24bfcbcba0\"\n" " transition-key=\"22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " transition-magic=\"0:7;22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"10\" queue-time=\"0\"/>\n" "</lrm_resource>" msgstr "" "<lrm_resource id=\"apcstonith\" type=\"apcmastersnmp\" class=\"stonith\"> \n" " <lrm_rsc_op id=\"apcstonith_monitor_0\" operation=\"monitor\" call-id=\"2\"\n" " rc-code=\"7\" op-status=\"0\" interval=\"0\" \n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" \n" " op-digest=\"2e3da9274d3550dc6526fb24bfcbcba0\"\n" " transition-key=\"22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " transition-magic=\"0:7;22:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\" \n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"10\" queue-time=\"0\"/>\n" " </lrm_resource> " #. Tag: para #, fuzzy, no-c-format msgid "In the above example, the job is a non-recurring monitor operation often referred to as a \"probe\" for the apcstonith resource." msgstr "În exemplul de mai sus, job-ul este un monitor non-recurent adeseori făcută referire la acesta sub numele de \"probă\" pentru resursa apcstonith. Clusterul programează probe pentru fiecare resursă configurată când un nou nod porneşte, în vederea determinării stării curente a resursei înainte de a urma orice acţiune ulterioară." #. Tag: para #, fuzzy, no-c-format msgid "The cluster schedules probes for every configured resource on when a new node starts, in order to determine the resource’s current state before it takes any further action." msgstr "În exemplul de mai sus, job-ul este un monitor non-recurent adeseori făcută referire la acesta sub numele de \"probă\" pentru resursa apcstonith. Clusterul programează probe pentru fiecare resursă configurată când un nou nod porneşte, în vederea determinării stării curente a resursei înainte de a urma orice acţiune ulterioară." #. Tag: para #, fuzzy, no-c-format msgid "From the transition-key, we can see that this was the 22nd action of the 2nd graph produced by this instance of the crmd (2668bbeb-06d5-40f9-936d-24cb7f87006a)." msgstr "Din transition-key, putem să vedem că aceasta a fost a 22-a acţiune a celui de-al 2-lea graf produs de această instanţă a crmd-ului (2668bbeb-06d5-40f9-936d-24cb7f87006a). Al treilea câmp al transition-key conţine un 7, acest lucru indică faptul că job-ul se aşteaptă să găsească resursa inactivă. Uitându-ne acum la proprietatea rc-code, putem vedea că aşa a şi fost." #. Tag: para #, no-c-format msgid "The third field of the transition-key contains a 7, this indicates that the job expects to find the resource inactive." msgstr "" #. Tag: para #, no-c-format msgid "By looking at the rc-code property, we see that this was the case." msgstr "" #. Tag: para #, no-c-format msgid "As that is the only job recorded for this node we can conclude that the cluster started the resource elsewhere." msgstr "Cum acela este singurul job înregistrat pentru acest nod putem concluziona că clusterul a pornit resursa în altă parte." #. Tag: title #, no-c-format msgid "Complex Resource History Example" msgstr "Exemplu Complex de Istoric al Resurselor" #. Tag: title #, no-c-format msgid "Resource history of a pingd clone with multiple jobs" msgstr "Istoricul resurselor unei clone pingd cu job-uri multiple" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<lrm_resource id=\"pingd:0\" type=\"pingd\" class=\"ocf\" provider=\"pacemaker\">\n" " <lrm_rsc_op id=\"pingd:0_monitor_30000\" operation=\"monitor\" call-id=\"34\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"30000\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_stop_0\" operation=\"stop\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" call-id=\"32\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " transition-key=\"11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_start_0\" operation=\"start\" call-id=\"33\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\" />\n" " <lrm_rsc_op id=\"pingd:0_monitor_0\" operation=\"monitor\" call-id=\"3\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\"\n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\"\n" " transition-key=\"23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\"\n" " ...\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"20\" queue-time=\"0\"/>\n" " </lrm_resource>" msgstr "" " <lrm_resource id=\"pingd:0\" type=\"pingd\" class=\"ocf\" provider=\"pacemaker\">\n" " <lrm_rsc_op id=\"pingd:0_monitor_30000\" operation=\"monitor\" call-id=\"34\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"30000\" \n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" \n" " transition-key=\"10:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\" \n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_stop_0\" operation=\"stop\" \n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" call-id=\"32\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\" \n" " transition-key=\"11:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\" \n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\"/>\n" " <lrm_rsc_op id=\"pingd:0_start_0\" operation=\"start\" call-id=\"33\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\" \n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" \n" " transition-key=\"31:11:0:2668bbeb-06d5-40f9-936d-24cb7f87006a\" \n" " ...\n" " last-run=\"1239009741\" last-rc-change=\"1239009741\" exec-time=\"10\" queue-time=\"0\" />\n" " <lrm_rsc_op id=\"pingd:0_monitor_0\" operation=\"monitor\" call-id=\"3\"\n" " rc-code=\"0\" op-status=\"0\" interval=\"0\" \n" " crm-debug-origin=\"do_update_resource\" crm_feature_set=\"3.0.1\" \n" " transition-key=\"23:2:7:2668bbeb-06d5-40f9-936d-24cb7f87006a\" \n" " ...\n" " last-run=\"1239008085\" last-rc-change=\"1239008085\" exec-time=\"20\" queue-time=\"0\"/>\n" " </lrm_resource> " #. Tag: para #, fuzzy, no-c-format msgid "When more than one job record exists, it is important to first sort them by call-id before interpreting them." msgstr "Când există mai mult de o singură înregistrare a unui job, este important mai întâi să le sortăm după call-id înainte de a le interpreta. Odată sortate, exemplul de mai sus poate fi sumarizat ca:" #. Tag: para #, no-c-format msgid "Once sorted, the above example can be summarized as:" msgstr "" #. Tag: para #, no-c-format msgid "A non-recurring monitor operation returning 7 (not running), with a call-id of 3" msgstr "O operaţiune non-recurentă de monitorizare returnează 7 (nu rulează), cu un call-id de 3" #. Tag: para #, no-c-format msgid "A stop operation returning 0 (success), with a call-id of 32" msgstr "O operaţiune de oprire returnează 0 (succes), cu un call-id de 32" #. Tag: para #, no-c-format msgid "A start operation returning 0 (success), with a call-id of 33" msgstr "O operaţiune de pornire returnează 0 (succes), cu un call-id de 33" #. Tag: para #, no-c-format msgid "A recurring monitor returning 0 (success), with a call-id of 34" msgstr "Un monitor recurent returnează 0 (succes), cu un call-id de 34" #. Tag: para #, fuzzy, no-c-format msgid "The cluster processes each job record to build up a picture of the resource’s state. After the first and second entries, it is considered stopped and after the third it considered active." msgstr "Clusterul procesează fiecare înregistrare a unui job pentru a construi o imagine asupra stării resursei. După prima şi a doua intrare, este considerată oprită şi după a treia este considerată activă. Pe baza ultimelor operaţiuni, putem spune că resursa este activă în mod curent." #. Tag: para #, no-c-format msgid "Based on the last operation, we can tell that the resource is currently active." msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Additionally, from the presence of a stop operation with a lower call-id than that of the start operation, we can conclude that the resource has been restarted. Specifically this occurred as part of actions 11 and 31 of transition 11 from the crmd instance with the key 2668bbeb…. This information can be helpful for locating the relevant section of the logs when looking for the source of a failure." msgstr "Suplimentar, din prezenţa unei operaţiuni stop cu un call-id mai mic decât cel al operaţiunii start, putem concluziona că resursa a fost repornită. În mod specific acest lucru s-a întâmplat ca parte a acţiunilor 11 şi 31 ale tranziţiei 11 de la instanţa crmd cu cheia 2668bbeb-06d5-40f9-936d-24cb7f87006a. Această informaţie poate fi utilă pentru localizarea secţiunii relevante din loguri când căutaţi sursa unei defecţiuni." #~ msgid "lrm tag" #~ msgstr "tag-ul lrm" #~ msgid "Unique identifier for the node. Corosync based clusters use the uname of the machine, Heartbeat clusters use a human-readable (but annoying) UUID." #~ msgstr "Identificator unic pentru nod. Clusterele bazate pe Corosync folosesc aceeaşi valoare ca uname, clusterele Heartbeat folosesc un UUID în format uşor de citit de oameni (dar enervant)." #~ msgid "uname Node Status Field NodeStatus Fielduname uname" #~ msgstr "Câmpul uname pentru Statusul Nodului Câmpul de Statusal Noduluiuname uname" #~ msgid "The node's machine name (output from uname -n)." #~ msgstr "Numele nodului (rezultat din uname -n)" #~ msgid "ha Node Status Field NodeStatus Fieldha ha" #~ msgstr "Câmpul ha pentru Statusul Nodului Câmpul de Statusal Noduluiha ha" #~ msgid "Flag specifying whether the cluster software is active on the node. Allowed values: active, dead." #~ msgstr "Flag care specifică dacă soft-ul de cluster activ pe nod. Valori permise: active, dead." #~ msgid "in_ccm Node Status Field NodeStatus Fieldin_ccm in_ccm" #~ msgstr "Câmpul in_ccm pentru Statusul Nodului Câmpul de Statusal Noduluiin_ccm in_ccm" #~ msgid "Flag for cluster membership; allowed values: true, false." #~ msgstr "Flag pentru apartenența la cluster; valori permise: true, false." #~ msgid "crmd Node Status Field NodeStatus Fieldcrmd crmd" #~ msgstr "Câmpul crmd pentru Statusul Nodului Câmpul de Statusal Noduluicrmd crmd" #~ msgid "Flag: is the crmd process active on the node? One of online, offline." #~ msgstr "Flag: este procesul crmd activ pe nod? Valori permise: online, offline." #~ msgid "join Node Status Field NodeStatus Fieldjoin join" #~ msgstr "Câmpul join pentru Statusul Nodului Câmpul de Statusal Noduluijoin join" #~ msgid "Flag saying whether the node participates in hosting resources. Possible values: down, pending, member, banned." #~ msgstr "Flag care spune dacă nodul participă în găzduirea de resurse. Valori permise: down, pending, member, banned." #~ msgid "expected Node Status Field NodeStatus Fieldexpected expected" #~ msgstr "Câmpul expected pentru Statusul Nodului Câmpul de Statusal Noduluiexpected expected" #~ msgid "Diagnostic indicator: the origin of the most recent change(s)." #~ msgstr "Indicator de diagnostic. Originea celei mai recente schimbări." #~ msgid "idJob Field Job Fieldid id" #~ msgstr "idCâmpul Job-ului Câmpul Job-uluiid id" #~ msgid "call-id Job Field Job Fieldcall-id call-id" #~ msgstr "Câmpul Job-ului call-id Câmpul Job-uluicall-id call-id" #~ msgid "operation Job Field Job Fieldoperation operation" #~ msgstr "Câmpul Job-ului operation Câmpul Job-uluioperation operation" #~ msgid "interval Job Field Job Fieldinterval interval" #~ msgstr "Câmpul Job-ului interval Câmpul Job-uluiinterval interval" #~ msgid "op-status Job Field Job Fieldop-status op-status" #~ msgstr "Câmpul Job-ului op-status Câmpul Job-uluiop-status op-status" #~ msgid "rc-code Job Field Job Fieldrc-code rc-code" #~ msgstr "Câmpul Job-ului rc-code Câmpul Job-uluirc-code rc-code" #~ msgid "last-run Job Field Job Fieldlast-run last-run" #~ msgstr "Câmpul Job-ului last-run Câmpul Job-uluilast-run last-run" #~ msgid "last-rc-change Job Field Job Fieldlast-rc-change last-rc-change" #~ msgstr "Câmpul Job-ului last-rc-change Câmpul Job-uluilast-rc-change last-rc-change" #~ msgid "exec-time Job Field Job Fieldexec-time exec-time" #~ msgstr "Câmpul Job-ului exec-time Câmpul Job-uluiexec-time exec-time" #~ msgid "queue-time Job Field Job Fieldqueue-time queue-time" #~ msgstr "Câmpul Job-ului queue-time Câmpul Job-uluiqueue-time queue-time" #~ msgid "crm_feature_set Job Field Job Fieldcrm_feature_set crm_feature_set" #~ msgstr "Câmpul Job-ului crm_feature_set Câmpul Job-uluicrm_feature_set crm_feature_set" #~ msgid "transition-key Job Field Job Fieldtransition-key transition-key" #~ msgstr "Câmpul Job-ului transition-key Câmpul Job-uluitransition-key transition-key" #~ msgid "transition-magic Job Field Job Fieldtransition-magic transition-magic" #~ msgstr "Câmpul Job-ului transition-magic Câmpul Job-uluitransition-magic transition-magic" #~ msgid "op-digest Job Field Job Fieldop-digest op-digest" #~ msgstr "Câmpul Job-ului op-digest Câmpul Job-uluiop-digest op-digest" #~ msgid "crm-debug-origin Job Field Job Fieldcrm-debug-origin crm-debug-origin" #~ msgstr "Câmpul Job-ului crm-debug-origin Câmpul Job-uluicrm-debug-origin crm-debug-origin" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Ch-Stonith.po000066400000000000000000000556531217637305600242330ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, fuzzy, no-c-format msgid "Configure STONITH" msgstr "Configurarea STONITH" #. Tag: para #, no-c-format msgid " STONITHConfiguration Configuration " msgstr "" #. Tag: title #, fuzzy, no-c-format msgid "What Is STONITH" msgstr "De Ce Aveţi Nevoie De STONITH" #. Tag: para #, fuzzy, no-c-format msgid "STONITH is an acronym for Shoot-The-Other-Node-In-The-Head and it protects your data from being corrupted by rogue nodes or concurrent access." msgstr "STONITH este un acronim pentru Shoot-The-Other-Node-In-The-Head şi protejează datele voastre de la a fi corupte de către noduri pribege sau de la acces simultan." #. Tag: para #, fuzzy, no-c-format msgid "Just because a node is unresponsive, this doesn’t mean it isn’t accessing your data. The only way to be 100% sure that your data is safe, is to use STONITH so we can be certain that the node is truly offline, before allowing the data to be accessed from another node." msgstr "Doar pentru că un nod nu mai răspunde, acest lucru nu înseamnă că acesta nu mai accesează datele voastre. Singura metodă de a fi 100% siguri că datele voastre sunt în siguranţă, este să folosiţi STONITH pentru a putea fi siguri că nodul este cu adevărat offline, înainte de a permite datelor să fie accesate de pe alt nod." #. Tag: para #, no-c-format msgid "STONITH also has a role to play in the event that a clustered service cannot be stopped. In this case, the cluster uses STONITH to force the whole node offline, thereby making it safe to start the service elsewhere." msgstr "STONITH mai are un rol pe care îl joacă în cazul în care un serviciu de pe cluster nu poate fi oprit. În acest caz, clusterul foloseşte STONITH pentru a forţa întregul nod offline, astfel făcând să fie sigurâ pornirea serviciului în altă parte." #. Tag: title #, no-c-format msgid "What STONITH Device Should You Use" msgstr "Ce Dispozitiv STONITH Ar Trebui Să Folosiţi" #. Tag: para #, fuzzy, no-c-format msgid "It is crucial that the STONITH device can allow the cluster to differentiate between a node failure and a network one." msgstr "Este imperativ ca dispozitivul STONITH să permită clusterului să facă diferenţa între o defecţiune a nodului şi una a reţelei." #. Tag: para #, fuzzy, no-c-format msgid "The biggest mistake people make in choosing a STONITH device is to use remote power switch (such as many on-board IMPI controllers) that shares power with the node it controls. In such cases, the cluster cannot be sure if the node is really offline, or active and suffering from a network fault." msgstr "Cea mai mare greşeală pe care o fac oamenii în alegerea unui dispozitiv STONITH este să folosească un switch de curent cu acces la distanţă (cum ar fi multe controlere IPMI integrate) care partajează curentul cu nodul pe care îl controlează. În astfel de cazuri, clusterul nu poate fi sigur dacă nodul este cu adevărat offline sau inactiv şi suferă din cauza unei probleme de reţea." #. Tag: para #, no-c-format msgid "Likewise, any device that relies on the machine being active (such as SSH-based \"devices\" used during testing) are inappropriate." msgstr "În mod similar, orice dispozitiv care se bazează pe maşină să fie activă (cum ar fi \"dispozitivele\" bazate pe SSH folosite în timpul testării) sunt nepotrivite." #. Tag: title #, no-c-format msgid "Configuring STONITH" msgstr "Configurarea STONITH" #. Tag: para #, fuzzy, no-c-format msgid "Find the correct driver: stonith_admin --list-installed" msgstr "Găsiţi driverul corect: stonith_admin --list-installed" #. Tag: para #, fuzzy, no-c-format msgid "Since every device is different, the parameters needed to configure it will vary. To find out the parameters associated with the device, run: stonith_admin --metadata --agent type" msgstr "Din moment ce fiecare dispozitiv este diferit, parametrii necesari să îl configureze vor varia. Pentru a afla parametrii asociaţi dispozitivului, rulaţi:" #. Tag: literallayout #, fuzzy, no-c-format msgid "" "The output should be XML formatted text containing additional\n" "parameter descriptions. We will endevor to make the output more\n" "friendly in a later version." msgstr "Rezultatul de ieşire ar trebui să fie un text formatat XML conţinând descrierile parametrilor adiţionali. Ne vom aventura să facem rezultatul de ieşire mai prietenos într-o versiune ulterioară." #. Tag: para #, fuzzy, no-c-format msgid "Enter the shell crm Create an editable copy of the existing configuration cib new stonith Create a fencing resource containing a primitive resource with a class of stonith, a type of type and a parameter for each of the values returned in step 2: configure primitive …" msgstr "Creaţi un fişier numit stonith.xml conţinând o resursă primitivă cu o clasă de stonith, un tip de type şi un parametru pentru fiecare dintre valorile returnate la pasul 2" #. Tag: para #, fuzzy, no-c-format msgid "If the device does not know how to fence nodes based on their uname, you may also need to set the special pcmk_host_map parameter. See man stonithd for details." msgstr "Dacă dispozitivul nu ştie să evacueze noduri pe baza uname-ului acestora, ar putea fi nevoie să setaţi parametrul special pcmk_host_map. Vedeţi man stonithd pentru detalii." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not support the list command, you may also need to set the special pcmk_host_list and/or pcmk_host_check parameters. See man stonithd for details." msgstr "Dacă dispozitivul nu suportă comanda list, ar putea fi nevoie să setaţi parametrii speciali pcmk_host_list şi/sau pcmk_host_check. Vedeţi man stonithd pentru detalii." #. Tag: para #, fuzzy, no-c-format msgid "If the device does not expect the victim to be specified with the port parameter, you may also need to set the special pcmk_host_argument parameter. See man stonithd for details." msgstr "Dacă dispozitivul nu se aşteaptă ca victima să fie specificată cu parametrul port, ar putea fi nevoie să setaţi parametrul special pcmk_host_argument. Vedeţi man stonithd pentru detalii." #. Tag: para #, no-c-format msgid "Upload it into the CIB from the shell: cib commit stonith" msgstr "" #. Tag: para #, fuzzy, no-c-format msgid "Once the stonith resource is running, you can test it by executing: stonith_admin --reboot nodename. Although you might want to stop the cluster on that machine first." msgstr "Odată ce resursa stonith rulează, o puteţi testa executând: stonith_admin --reboot nodename. Deşi aţi putea dori să opriţi clusterul pe acea maşină mai întâi." #. Tag: title #, no-c-format msgid "Example" msgstr "Exemplu" #. Tag: para #, fuzzy, no-c-format msgid "Assuming we have an chassis containing four nodes and an IPMI device active on 10.0.0.1, then we would chose the fence_ipmilan driver in step 2 and obtain the following list of parameters" msgstr "Presupunând că avem un şasiu conţinând patru noduri şi un dispozitiv IPMI activ pe 10.0.0.1, atunci am alege driverul fence_ipmilan la pasul 2 şi am obţine următoarea listă de parametri" #. Tag: title #, no-c-format msgid "Obtaining a list of STONITH Parameters" msgstr "Obţinerea unei liste de Parametri STONITH" #. Tag: programlisting #, no-c-format msgid "# stonith_admin --metadata -a fence_ipmilan" msgstr "" #. Tag: programlisting #, fuzzy, no-c-format msgid "" "<?xml version=\"1.0\" ?>\n" "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" "<longdesc>\n" "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI. This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" "\n" "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" "<parameters>\n" " <parameter name=\"auth\" unique=\"1\">\n" " <getopt mixed=\"-A\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" " </parameter>\n" " <parameter name=\"ipaddr\" unique=\"1\">\n" " <getopt mixed=\"-a\" />\n" " <content type=\"string\" />\n" " <shortdesc>IPMI Lan IP to talk to</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd\" unique=\"1\">\n" " <getopt mixed=\"-p\" />\n" " <content type=\"string\" />\n" " <shortdesc>Password (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"passwd_script\" unique=\"1\">\n" " <getopt mixed=\"-S\" />\n" " <content type=\"string\" />\n" " <shortdesc>Script to retrieve password (if required)</shortdesc>\n" " </parameter>\n" " <parameter name=\"lanplus\" unique=\"1\">\n" " <getopt mixed=\"-P\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Use Lanplus</shortdesc>\n" " </parameter>\n" " <parameter name=\"login\" unique=\"1\">\n" " <getopt mixed=\"-l\" />\n" " <content type=\"string\" />\n" " <shortdesc>Username/Login (if required) to control power on IPMI device</shortdesc>\n" " </parameter>\n" " <parameter name=\"action\" unique=\"1\">\n" " <getopt mixed=\"-o\" />\n" " <content type=\"string\" default=\"reboot\"/>\n" " <shortdesc>Operation to perform. Valid operations: on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" " </parameter>\n" " <parameter name=\"timeout\" unique=\"1\">\n" " <getopt mixed=\"-t\" />\n" " <content type=\"string\" />\n" " <shortdesc>Timeout (sec) for IPMI operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"cipher\" unique=\"1\">\n" " <getopt mixed=\"-C\" />\n" " <content type=\"string\" />\n" " <shortdesc>Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" " </parameter>\n" " <parameter name=\"method\" unique=\"1\">\n" " <getopt mixed=\"-M\" />\n" " <content type=\"string\" default=\"onoff\"/>\n" " <shortdesc>Method to fence (onoff or cycle)</shortdesc>\n" " </parameter>\n" " <parameter name=\"power_wait\" unique=\"1\">\n" " <getopt mixed=\"-T\" />\n" " <content type=\"string\" default=\"2\"/>\n" " <shortdesc>Wait X seconds after on/off operation</shortdesc>\n" " </parameter>\n" " <parameter name=\"delay\" unique=\"1\">\n" " <getopt mixed=\"-f\" />\n" " <content type=\"string\" />\n" " <shortdesc>Wait X seconds before fencing is started</shortdesc>\n" " </parameter>\n" " <parameter name=\"verbose\" unique=\"1\">\n" " <getopt mixed=\"-v\" />\n" " <content type=\"boolean\" />\n" " <shortdesc>Verbose mode</shortdesc>\n" " </parameter>\n" "</parameters>\n" "<actions>\n" " <action name=\"on\" />\n" " <action name=\"off\" />\n" " <action name=\"reboot\" />\n" " <action name=\"status\" />\n" " <action name=\"diag\" />\n" " <action name=\"list\" />\n" " <action name=\"monitor\" />\n" " <action name=\"metadata\" />\n" "</actions>\n" "</resource-agent>" msgstr "" "# stonith_admin --metadata -a fence_ipmilan\n" "<?xml version=\"1.0\" ?>\n" "<resource-agent name=\"fence_ipmilan\" shortdesc=\"Fence agent for IPMI over LAN\">\n" "<longdesc>\n" "fence_ipmilan is an I/O Fencing agent which can be used with machines controlled by IPMI.\n" "This agent calls support software using ipmitool (http://ipmitool.sf.net/).\n" "\n" "To use fence_ipmilan with HP iLO 3 you have to enable lanplus option (lanplus / -P) and\n" "increase wait after operation to 4 seconds (power_wait=4 / -T 4)</longdesc>\n" "<parameters>\n" " <parameter name=\"auth\" unique=\"1\">\n" " <shortdesc lang=\"en\">IPMI Lan Auth type (md5, password, or none)</shortdesc>\n" " <getopt mixed=\"-A\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"ipaddr\" unique=\"1\">\n" " <shortdesc lang=\"en\">IPMI Lan IP to talk to</shortdesc>\n" " <getopt mixed=\"-a\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"passwd\" unique=\"1\">\n" " <shortdesc lang=\"en\">Password to control power on IPMI device</shortdesc>\n" " <getopt mixed=\"-p\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"passwd_script\" unique=\"1\">\n" " <shortdesc lang=\"en\">Script to retrieve password (if required)</shortdesc>\n" " <getopt mixed=\"-S\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"lanplus\" unique=\"1\">\n" " <shortdesc lang=\"en\">Use Lanplus</shortdesc>\n" " <getopt mixed=\"-P\" /> <content type=\"boolean\" /> </parameter>\n" " <parameter name=\"login\" unique=\"1\">\n" " <shortdesc lang=\"en\">Username/Login to control IPMI device</shortdesc>\n" " <getopt mixed=\"-l\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"action\" unique=\"1\">\n" " <shortdesc lang=\"en\">Operation to perform. Valid operations:\n" " on, off, reboot, status, list, diag, monitor or metadata</shortdesc>\n" " <getopt mixed=\"-o\" /> <content type=\"string\" default=\"reboot\"/> </parameter>\n" " <parameter name=\"timeout\" unique=\"1\">\n" " <shortdesc lang=\"en\">Timeout (sec) for IPMI operation</shortdesc>\n" " <getopt mixed=\"-t\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"cipher\" unique=\"1\">\n" " <shortdesc lang=\"en\">Ciphersuite to use (same as ipmitool -C parameter)</shortdesc>\n" " <getopt mixed=\"-C\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"method\" unique=\"1\">\n" " <shortdesc lang=\"en\">Method to fence (onoff or cycle)</shortdesc>\n" " <getopt mixed=\"-M\" /> <content type=\"string\" default=\"onoff\"/> </parameter>\n" " <parameter name=\"power_wait\" unique=\"1\">\n" " <shortdesc lang=\"en\">Wait X seconds after on/off operation</shortdesc>\n" " <getopt mixed=\"-T\" /> <content type=\"string\" default=\"2\"/> </parameter>\n" " <parameter name=\"delay\" unique=\"1\">\n" " <shortdesc lang=\"en\">Wait X seconds before fencing is started</shortdesc>\n" " <getopt mixed=\"-f\" /> <content type=\"string\" /> </parameter>\n" " <parameter name=\"verbose\" unique=\"1\">\n" " <shortdesc lang=\"en\">Verbose mode</shortdesc>\n" " <getopt mixed=\"-v\" /> <content type=\"boolean\" /> </parameter>\n" "</parameters>\n" "<actions>\n" " <action name=\"on\" /> <action name=\"off\" /> \n" " <action name=\"reboot\" /> <action name=\"status\" /> \n" " <action name=\"diag\" /> <action name=\"list\" /> \n" " <action name=\"monitor\" /> <action name=\"metadata\" />\n" "</actions>\n" "</resource-agent>\n" " " #. Tag: para #, fuzzy, no-c-format msgid "from which we would create a STONITH resource fragment that might look like this" msgstr "Din această listă am putea crea un fragment de resursă STONITH care ar putea arăta aşa:" #. Tag: title #, no-c-format msgid "Sample STONITH Resource" msgstr "Exemplu de Resursă STONITH" #. Tag: programlisting #, no-c-format msgid "" "# crm crm(live)# cib new stonith\n" "INFO: stonith shadow CIB created\n" "crm(stonith)# configure primitive impi-fencing stonith::fence_ipmilan \\\n" " params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\\n" " op monitor interval=\"60s\"" msgstr "" #. Tag: para #, no-c-format msgid "And finally, since we disabled it earlier, we need to re-enable STONITH. At this point we should have the following configuration." msgstr "" #. Tag: para #, no-c-format msgid "Now push the configuration into the cluster." msgstr "" #. Tag: programlisting #, no-c-format msgid "" "crm(stonith)# configure property stonith-enabled=\"true\"\n" "crm(stonith)# configure shownode pcmk-1\n" "node pcmk-2\n" "primitive WebData ocf:linbit:drbd \\\n" " params drbd_resource=\"wwwdata\" \\\n" " op monitor interval=\"60s\"\n" "primitive WebFS ocf:heartbeat:Filesystem \\\n" " params device=\"/dev/drbd/by-res/wwwdata\" directory=\"/var/www/html\" fstype=\"gfs2\"\n" "primitive WebSite ocf:heartbeat:apache \\\n" " params configfile=\"/etc/httpd/conf/httpd.conf\" \\\n" " op monitor interval=\"1min\"\n" "primitive ClusterIP ocf:heartbeat:IPaddr2 \\\n" " params ip=\"192.168.122.101\" cidr_netmask=\"32\" clusterip_hash=\"sourceip\" \\\n" " op monitor interval=\"30s\"primitive ipmi-fencing stonith::fence_ipmilan \\ params pcmk_host_list=\"pcmk-1 pcmk-2\" ipaddr=10.0.0.1 login=testuser passwd=abc123 \\ op monitor interval=\"60s\"ms WebDataClone WebData \\\n" " meta master-max=\"2\" master-node-max=\"1\" clone-max=\"2\" clone-node-max=\"1\" notify=\"true\"\n" "clone WebFSClone WebFS\n" "clone WebIP ClusterIP \\\n" " meta globally-unique=\"true\" clone-max=\"2\" clone-node-max=\"2\"\n" "clone WebSiteClone WebSite\n" "colocation WebSite-with-WebFS inf: WebSiteClone WebFSClone\n" "colocation fs_on_drbd inf: WebFSClone WebDataClone:Master\n" "colocation website-with-ip inf: WebSiteClone WebIP\n" "order WebFS-after-WebData inf: WebDataClone:promote WebFSClone:start\n" "order WebSite-after-WebFS inf: WebFSClone WebSiteClone\n" "order apache-after-ip inf: WebIP WebSiteClone\n" "property $id=\"cib-bootstrap-options\" \\\n" " dc-version=\"1.1.5-bdd89e69ba545404d02445be1f3d72e6a203ba2f\" \\\n" " cluster-infrastructure=\"openais\" \\\n" " expected-quorum-votes=\"2\" \\\n" " stonith-enabled=\"true\" \\\n" " no-quorum-policy=\"ignore\"\n" "rsc_defaults $id=\"rsc-options\" \\\n" " resource-stickiness=\"100\"\n" "crm(stonith)# cib commit stonithINFO: commited 'stonith' shadow CIB to the cluster\n" "crm(stonith)# quit\n" "bye" msgstr "" #~ msgid "Protecting Your Data - STONITH" #~ msgstr "Protejarea Datelor Voastre - STONITH" #~ msgid "" #~ "stonith_admin --metadata --agent type\n" #~ " " #~ msgstr "" #~ "stonith_admin --metadata --agent type\n" #~ " " #~ msgid "Upload it into the CIB using cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgstr "Încărcaţi-l în CIB folosind cibadmin: cibadmin -C -o resources --xml-file stonith.xml" #~ msgid "" #~ " <primitive id=\"ipmi\" class=\"stonith\" type=\"fence_ipmilan\">\n" #~ " <operations>\n" #~ " <op id=\"ipmi-mon-1\" name=\"monitor\" interval=\"2h\"/>\n" #~ " </operations>\n" #~ " <instance_attributes id=\"ipmi-parameters\">\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"pcmk_host_list\" value=\"node1 node2 node3 node4\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"login\" value=\"testuser\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"passwd\" value=\"abc123\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgstr "" #~ " <primitive id=\"ipmi\" class=\"stonith\" type=\"fence_ipmilan\">\n" #~ " <operations>\n" #~ " <op id=\"ipmi-mon-1\" name=\"monitor\" interval=\"2h\"/>\n" #~ " </operations>\n" #~ " <instance_attributes id=\"ipmi-parameters\">\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"pcmk_host_list\" value=\"node1 node2 node3 node4\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"ipaddr\" value=\"10.0.0.1\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"login\" value=\"testuser\"/>\n" #~ " <nvpair id=\"ipmi-attr-1\" name=\"passwd\" value=\"abc123\"/>\n" #~ " </instance_attributes>\n" #~ " </primitive> " #~ msgid "The monitor interval of two hours is explained by bugs in some IPMI implementations; see Monitoring the fencing devices." #~ msgstr "Intervalul de monitorizare de două ore este explicat de bug-uri în anumite implementări de IPMI; vedeți Monitorizarea dispozitivelor de evacuare forțată." pacemaker-master/doc/Pacemaker_Explained/ro-RO/Pacemaker_Explained.po000066400000000000000000000040031217637305600261130ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Receiving Notification for Cluster Events" msgstr "Primirea de Notificări ale Evenimentelor Clusterului" #. Tag: title #, no-c-format msgid "Configuring Email Notifications" msgstr "Configurarea de Notificări pe Email" #. Tag: title #, no-c-format msgid "Configuring SNMP Notifications" msgstr "Configurarea de Notificări pe SNMP" #. Tag: title #, no-c-format msgid "Further Reading" msgstr "Documentaţie Adiţională" #. Tag: para #, no-c-format msgid "Project Website " msgstr "Site-ul Proiectului " #. Tag: para #, no-c-format msgid "Project Documentation " msgstr "Documentaţia Proiectului " #. Tag: para #, fuzzy, no-c-format msgid "A comprehensive guide to cluster commands has been written by Novell" msgstr "Un ghid comprehensiv al comenzilor clusterului a fost scris de Novell şi poate fi găsit la: " #. Tag: para #, no-c-format msgid "Heartbeat configuration: " msgstr "Configuraţia Heartbeat: " #. Tag: para #, no-c-format msgid "Corosync Configuration: " msgstr "Configuraţia Corosync: " pacemaker-master/doc/Pacemaker_Explained/ro-RO/Preface.po000066400000000000000000000007451217637305600236100ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Preface" msgstr "Prefaţă" #~ msgid "translator-credits" #~ msgstr "genericul-traducătorului" pacemaker-master/doc/Pacemaker_Explained/ro-RO/Revision_History.po000066400000000000000000000035511217637305600255600ustar00rootroot00000000000000msgid "" msgstr "" "Project-Id-Version: Pacemaker 1.1\n" "POT-Creation-Date: 2012-10-17T05:19:02\n" "PO-Revision-Date: 2012-01-01T17:48:32\n" "Last-Translator: Dan Frîncu \n" "Language-Team: None\n" "Language: \n" "MIME-Version: 1.0\n" "Content-Type: application/x-publican; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" #. Tag: title #, no-c-format msgid "Revision History" msgstr "Istoricul Reviziilor" #. Tag: firstname #, no-c-format msgid "Andrew" msgstr "Andrew" #. Tag: surname #, no-c-format msgid "Beekhof" msgstr "Beekhof" #. Tag: member #, no-c-format msgid "Import from Pages.app" msgstr "Import din Pages.app" #. Tag: member #, no-c-format msgid "Cleanup and reformatting of docbook xml complete" msgstr "Curăţarea şi reformatarea xml-ului pentru docbook terminată" #. Tag: member #, no-c-format msgid "Split book into chapters and pass validation" msgstr "Împărţirea cărţii în capitole şi trecerea validării" #. Tag: member #, no-c-format msgid "Re-organize book for use with Publican" msgstr "" #. Tag: member #, no-c-format msgid "Converted to asciidoc (which is converted to docbook for use with Publican)" msgstr "" #~ msgid "1" #~ msgstr "1" #~ msgid "19 Oct 2009" #~ msgstr "19 Oct 2009" #~ msgid "andrew@beekhof.net" #~ msgstr "andrew@beekhof.net" #~ msgid "2" #~ msgstr "2" #~ msgid "26 Oct 2009" #~ msgstr "26 Oct 2009" #~ msgid "3" #~ msgstr "3" #~ msgid "Tue Nov 12 2009" #~ msgstr "Tue Nov 12 2009" #~ msgid "Publican" #~ msgstr "Publican" #~ msgid "Re-organize book for use with " #~ msgstr "Reorganizarea cărţii pentru folosirea cu " #~ msgid "translator-credits" #~ msgstr "genericul-traducătorului" pacemaker-master/doc/Pacemaker_Remote/000077500000000000000000000000001217637305600202615ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Remote/en-US/000077500000000000000000000000001217637305600212105ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Remote/en-US/Author_Group.xml000066400000000000000000000006341217637305600243530ustar00rootroot00000000000000 DavidVossel Red Hat Primary author dvossel@redhat.com pacemaker-master/doc/Pacemaker_Remote/en-US/Book_Info.xml000066400000000000000000000032311217637305600235760ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> Pacemaker Remote Extending High Availablity into Virtual Nodes 1 0 The document exists as both a reference and deployment guide for the Pacemaker Remote service. The KVM and Linux Container walk-through tutorials will use: &DISTRO; &DISTRO_VERSION; as the host operating system Pacemaker Remote to perform resource management within virtual nodes libvirt to manage KVM and LXC virtual nodes Corosync to provide messaging and membership services on the host nodes Pacemaker to perform resource management on host nodes pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-Example.txt000066400000000000000000000106421217637305600236770ustar00rootroot00000000000000= Quick Example = If you already know how to use pacemaker, you'll likely be able to grasp this new concept of remote-nodes by reading through this quick example without having to sort through all the detailed walk-through steps. Here are the key configuration ingredients that make this possible using libvirt and KVM virtual guests. These steps strip everything down to the very basics. == Mile High View of Configuration Steps == * +Put an authkey with this path, /etc/pacemaker/authkey, on every cluster-node and virtual machine+. This secures remote communication and authentication. Run this command if you want to make a somewhat random authkey. [source,C] ---- dd if=/dev/urandom of=/etc/pacemaker/authkey bs=4096 count=1 ---- * +Install pacemaker_remote packages every virtual machine, enable pacemaker_remote on startup, and poke hole in firewall for tcp port 3121.+ [source,C] ---- yum install pacemaker-remote resource-agents systemctl enable pacemaker_remote # If you just want to see this work, disable iptables and ip6tables on most distros. # You may have to put selinux in permissive mode as well for the time being. firewall-cmd --add-port 3121/tcp --permanent ---- * +Give each virtual machine a static network address and unique hostname+ * +Tell pacemaker to launch a virtual machine and that the virtual machine is a remote-node capable of running resources by using the "remote-node" meta-attribute.+ with pcs [source,C] ---- # pcs resource create vm-guest1 VirtualDomain hypervisor="qemu:///system" config="vm-guest1.xml" meta +remote-node=guest1+ ---- raw xml [source,XML] ---- ---- In the example above the meta-attribute 'remote-node=guest1' tells pacemaker that this resource is a remote-node with the hostname 'guest1' that is capable of being integrated into the cluster. The cluster will attempt to contact the virtual machine's pacemaker_remote service at the hostname 'guest1' after it launches. == What those steps just did == Those steps just told pacemaker to launch a virtual machine called vm-guest1 and integrate that virtual machine as a remote-node called 'guest1'. Example crm_mon output after guest1 is integrated into cluster. [source,C] ---- Last updated: Wed Mar 13 13:52:39 2013 Last change: Wed Mar 13 13:25:17 2013 via crmd on node1 Stack: corosync Current DC: node1 (24815808) - partition with quorum Version: 1.1.10 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ node1 guest1] vm-guest1 (ocf::heartbeat:VirtualDomain): Started node1 ---- Now, you could place a resource, such as a webserver on guest1. [source,C] ---- # pcs resource create webserver apache params configfile=/etc/httpd/conf/httpd.conf op monitor interval=30s # pcs constraint webserver prefers guest1 ---- Now the crm_mon output would show a webserver launched on the guest1 remote-node. [source,C] ---- Last updated: Wed Mar 13 13:52:39 2013 Last change: Wed Mar 13 13:25:17 2013 via crmd on node1 Stack: corosync Current DC: node1 (24815808) - partition with quorum Version: 1.1.10 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ node1 guest1] vm-guest1 (ocf::heartbeat:VirtualDomain): Started node1 webserver (ocf::heartbeat::apache): Started guest1 ---- == Accessing Cluster from Remote-node == It is worth noting that after 'guest1' is integrated into the cluster, all the pacemaker cli tools immediately become available to the remote node. This means things like crm_mon, crm_resource, and crm_attribute will work natively on the remote-node as long as the connection between the remote-node and cluster-node exists. This is particularly important for any master/slave resources executing on the remote-node that need access to crm_master to set the nodes transient attributes. pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-Future.txt000066400000000000000000000033751217637305600235630ustar00rootroot00000000000000= Future Features = Basic KVM and Linux container integration was the first phase of development for pacemaker_remote and was completed for Pacemaker v1.1.10. Here are some planned features that expand upon this initial functionality. == Libvirt Sandbox Support == Once the libvirt-sandbox project is integrated with pacemaker_remote, we will gain the ability to preform per-resource linux container isolation with very little performance impact. This functionality will allow resources living on a single node to be isolated from one another. At that point CPU and memory limits could be set per-resource dynamically just using the cluster config. == Bare-metal Support == The pacemaker_remote daemon already has the ability to run on bare-metal hardware nodes, but the policy engine logic for integrating bare-metal nodes is not complete. There are some complications involved with understanding a bare-metal node's state that virtual nodes don't have. Once this logic is complete, pacemaker will be able to integrate bare-metal nodes in the same way virtual remote-nodes currently are. Some special considerations for fencing will need to be addressed. == KVM Migration Support == Pacemaker's policy engine is limited in its ability to perform live migrations of KVM resources when resource dependencies are involved. This limitation affects how resources living within a KVM remote-node are handled when a live migration takes place. Currently when a live migration is performed on a KVM remote-node, all the resources within that remote-node have to be stopped before the migration takes place and started once again after migration has finished. This policy engine limitation is fully explained in this bug report, http://bugs.clusterlabs.org/show_bug.cgi?id=5055#c3 pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-Intro.txt000066400000000000000000000126301217637305600233760ustar00rootroot00000000000000= Extending High Availability Cluster into Virtual Nodes = == Overview == The recent addition of the +pacemaker_remote+ service supported by +Pacemaker version 1.1.10 and greater+ allows nodes not running the cluster stack (pacemaker+corosync) to integrate into the cluster and have the cluster manage their resources just as if they were a real cluster node. This means that pacemaker clusters are now capable of managing both launching virtual environments (KVM/LXC) as well as launching the resources that live within those virtual environments without requiring the virtual environments to run pacemaker or corosync. == Terms == +cluster-node+ - A baremetal hardware node running the High Availability stack (pacemaker + corosync) +remote-node+ - A virtual guest node running the pacemaker_remote service. +pacemaker_remote+ - A service daemon capable of performing remote application management within virtual guests (kvm and lxc) in both pacemaker cluster environments and standalone (non-cluster) environments. This service is an enhanced version of pacemaker's local resource manage daemon (LRMD) that is capable of managing and monitoring LSB, OCF, upstart, and systemd resources on a guest remotely. It also allows for most of pacemaker's cli tools (crm_mon, crm_resource, crm_master, crm_attribute, ect..) to work natively on remote-nodes. +LXC+ - A Linux Container defined by the libvirt-lxc Linux container driver. http://libvirt.org/drvlxc.html == Virtual Machine Use Case == The use of pacemaker_remote in virtual machines solves a deployment scenario that has traditionally been difficult to solve. +"I want a pacemaker cluster to manage virtual machine resources, but I also want pacemaker to be able to manage the resources that live within those virtual machines."+ In the past, users desiring this deployment had to make a decision. They would either have to sacrifice the ability of monitoring resources residing within virtual guests by running the cluster stack on the baremetal nodes, or run another cluster instance on the virtual guests where they potentially run into corosync scalability issues. There is a third scenario where the virtual guests run the cluster stack and join the same network as the baremetal nodes, but that can quickly hit issues with scalability as well. With the pacemaker_remote service we have a new option. * The baremetal cluster-nodes run the cluster stack (paceamaker+corosync). * The virtual remote-nodes run the pacemaker_remote service (nearly zero configuration required on the virtual machine side) * The cluster stack on the cluster-nodes launch the virtual machines and immediately connect to the pacemaker_remote service, allowing the virtual machines to integrate into the cluster just as if they were a real cluster-node. The key difference here between the virtual machine remote-nodes and the cluster-nodes is that the remote-nodes are not running the cluster stack. This means the remote nodes will never become the DC, and they do not take place in quorum. On the hand this also means that the remote-nodes are not bound to the scalability limits associated with the cluster stack either. +No 16 node corosync member limits+ to deal with. That isn't to say remote-nodes can scale indefinitely, but the expectation is that remote-nodes scale horizontally much further than cluster-nodes. Other than the quorum limitation, these remote-nodes behave just like cluster nodes in respects to resource management. The cluster is fully capable of managing and monitoring resources on each remote-node. You can build constraints against remote-nodes, put them in standby, or whatever else you'd expect to be able to do with normal cluster-nodes. They even show up in the crm_mon output as you would expect cluster-nodes to. To solidify the concept, an example cluster deployment integrating remote-nodes could look like this. * 16 cluster-nodes running corosync+pacemaker stack. * 64 pacemaker managed virtual machine resources running pacemaker_remote configured as remote-nodes. * 64 pacemaker managed webserver and database resources configured to run on the 64 remote-nodes. With this deployment you would have 64 webservers and databases running on 64 virtual machines on 16 hardware nodes all of which are managed and monitored by the same pacemaker deployment. == Linux Container Use Case == +I want to isolate and limit the system resources (cpu, memory, filesystem) a cluster resource can consume without using virtual machines.+ Using pacemaker_remote with Linux containers (libvirt-lxc) opens up some interesting possibilities for isolating resources in the cluster without the use of a hypervisor. We now have the ability to both define a contained environment with cpu and memory utilization limits and then assign resources to that contained environment all managed from within pacemaker. The LXC Walk-through section of this document outlines how pacemaker_remote can be used to bring Linux containers into the cluster as remote-nodes capable of executing resources. == Expanding the Cluster Stack == === Traditional HA Stack === image::images/pcmk-ha-cluster-stack.png["The Traditional Pacemaker Corosync HA Stack.",width="17cm",height="9cm",align="center"] === Remote-Node Enabled HA Stack === The stack grows one additional layer vertical so we can go further horizontal. image::images/pcmk-ha-remote-stack.png["Placing Pacemaker Remote into the Traditional HA Stack.",width="20cm",height="10cm",align="center"] pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-KVM-Tutorial.txt000066400000000000000000000374541217637305600245540ustar00rootroot00000000000000= KVM Walk-through = +What this tutorial is:+ This tutorial is an in-depth walk-through of how to get pacemaker to manage a KVM guest instance and integrate that guest into the cluster as a remote-node. +What this tutorial is not:+ This tutorial is not a realistic deployment scenario. The steps shown here are meant to get users familiar with the concept of remote-nodes as quickly as possible. == Step 1: Setup the Host == This tutorial was created using Fedora 18 on the host and guest nodes. Anything that is capable of running libvirt and pacemaker v1.1.10 or greater will do though. An installation guide for installing Fedora 18 can be found here, http://docs.fedoraproject.org/en-US/Fedora/18/html/Installation_Guide/. Fedora 18 (or similar distro) host preparation steps. === SElinux and Firewall === In order to simply this tutorial we will disable the selinux and the firewall on the host. +WARNING:+ These actions will open a significant security threat to machines exposed to the outside world. [source,C] ---- # setenforce 0 # sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config # systemctl disable iptables.service # systemctl disable ip6tables.service # rm '/etc/systemd/system/basic.target.wants/iptables.service' # rm '/etc/systemd/system/basic.target.wants/ip6tables.service' # systemctl stop iptables.service # systemctl stop ip6tables.service ---- === Install Cluster Software === [source,C] ---- # yum install -y pacemaker corosync pcs resource-agents ---- === Setup Corosync === Running the command below will attempt to detect the network address corosync should bind to. [source,C] ---- # export corosync_addr=`ip addr | grep "inet " | tail -n 1 | awk '{print $4}' | sed s/255/0/g` ---- Display and verify that address is correct [source,C] ---- # echo $corosync_addr ---- In many cases the address will be 192.168.1.0 if you are behind a standard home router. Now copy over the example corosync.conf. This code will inject your bindaddress and enable the vote quorum api which is required by pacemaker. [source,C] ---- # cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf # sed -i.bak "s/.*\tbindnetaddr:.*/bindnetaddr:\ $corosync_addr/g" /etc/corosync/corosync.conf # cat << END >> /etc/corosync/corosync.conf quorum { provider: corosync_votequorum expected_votes: 2 } END ---- === Verify Cluster Software === Start the cluster [source,C] ---- # pcs cluster start ---- Verify corosync membership [source,C] ---- # pcs status corosync Membership information Nodeid Votes Name 1795270848 1 example-host (local) ---- Verify pacemaker status. At first the 'pcs cluster status' output will look like this. [source,C] ---- # pcs status Last updated: Thu Mar 14 12:26:00 2013 Last change: Thu Mar 14 12:25:55 2013 via crmd on example-host Stack: corosync Current DC: Version: 1.1.10 1 Nodes configured, unknown expected votes 0 Resources configured. ---- After about a minute you should see your host as a single node in the cluster. [source,C] ---- # pcs status Last updated: Thu Mar 14 12:28:23 2013 Last change: Thu Mar 14 12:25:55 2013 via crmd on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.8-9b13ea1 1 Nodes configured, unknown expected votes 0 Resources configured. Online: [ example-host ] ---- Go ahead and stop the cluster for now after verifying everything is in order. [source,C] ---- # pcs cluster stop ---- === Install Virtualization Software === [source,C] ---- # yum install -y kvm libvirt qemu-system qemu-kvm bridge-utils virt-manager # systemctl enable libvirtd.service ---- reboot the host == Step2: Create the KVM guest == I am not going to outline the installation steps required to create a kvm guest. There are plenty of tutorials available elsewhere that do that. I recommend using a Fedora 18 or greater distro as your guest as that is what I am testing this tutorial with. === Setup Guest Network === Run the commands below to set up a static ip address (192.168.122.10) and hostname (guest1). [source,C] ---- export remote_hostname=guest1 export remote_ip=192.168.122.10 export remote_gateway=192.168.122.1 yum remove -y NetworkManager rm -f /etc/hostname cat << END >> /etc/hostname $remote_hostname END hostname $remote_hostname cat << END >> /etc/sysconfig/network HOSTNAME=$remote_hostname GATEWAY=$remote_gateway END sed -i.bak "s/.*BOOTPROTO=.*/BOOTPROTO=none/g" /etc/sysconfig/network-scripts/ifcfg-eth0 cat << END >> /etc/sysconfig/network-scripts/ifcfg-eth0 IPADDR0=$remote_ip PREFIX0=24 GATEWAY0=$remote_gateway DNS1=$remote_gateway END systemctl restart network systemctl enable network.service systemctl enable sshd systemctl start sshd echo "checking connectivity" ping www.google.com ---- To simplify the tutorial we'll go ahead and disable selinux on the guest. We'll also need to poke a hole through the firewall on port 3121 (the default port for pacemaker_remote) so the host can contact the guest. [source,C] ---- # setenforce 0 # sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config # firewall-cmd --add-port 3121/tcp --permanent ---- If you still encounter connection issues just disable iptables and ipv6tables on the guest like we did on the host to guarantee you'll be able to contact the guest from the host. At this point you should be able to ssh into the guest from the host. === Setup Pacemaker Remote === On the +HOST+ machine run these commands to generate an authkey and copy it to the /etc/pacemaker folder on both the host and guest. [source,C] ---- # mkdir /etc/pacemaker # dd if=/dev/urandom of=/etc/pacemaker/authkey bs=4096 count=1 # scp -r /etc/pacemaker root@192.168.122.10:/etc/ ---- Now on the +GUEST+ install pacemaker-remote package and enable the daemon to run at startup. In the commands below you will notice the 'pacemaker' and 'pacemaker_remote' packages are being installed. The 'pacemaker' package is not required. The only reason it is being installed for this tutorial is because it contains the a 'Dummy' resource agent we will be using later on to test the remote-node. [source,C] ---- # yum install -y pacemaker paceamaker-remote resource-agents # systemctl enable pacemaker_remote.service ---- Now start pacemaker_remote on the guest and verify the start was successful. [source,C] ---- # systemctl start pacemaker_remote.service # systemctl status pacemaker_remote pacemaker_remote.service - Pacemaker Remote Service Loaded: loaded (/usr/lib/systemd/system/pacemaker_remote.service; enabled) Active: active (running) since Thu 2013-03-14 18:24:04 EDT; 2min 8s ago Main PID: 1233 (pacemaker_remot) CGroup: name=systemd:/system/pacemaker_remote.service └─1233 /usr/sbin/pacemaker_remoted Mar 14 18:24:04 guest1 systemd[1]: Starting Pacemaker Remote Service... Mar 14 18:24:04 guest1 systemd[1]: Started Pacemaker Remote Service. Mar 14 18:24:04 guest1 pacemaker_remoted[1233]: notice: lrmd_init_remote_tls_server: Starting a tls listener on port 3121. ---- === Verify Host Connection to Guest === Before moving forward it's worth going ahead and verifying the host can contact the guest on port 3121. Here's a trick you can use. Connect using telnet from the host. The connection will get destroyed, but how it is destroyed tells you whether it worked or not. First add guest1 to the host machine's /etc/hosts file if you haven't already. This is required unless you have dns setup in a way where guest1's address can be discovered. [source,C] ---- # cat << END >> /etc/hosts 192.168.122.10 guest1 END ---- If running the telnet command on the host results in this output before disconnecting, the connection works. [source,C] ---- # telnet guest1 3121 Trying 192.168.122.10... Connected to guest1. Escape character is '^]'. Connection closed by foreign host. ---- If you see this, the connection is not working. [source,C] ---- # telnet guest1 3121 Trying 192.168.122.10... telnet: connect to address 192.168.122.10: No route to host ---- Once you can successfully connect to the guest from the host, shutdown the guest. Pacemaker will be managing the virtual machine from this point forward. == Step3: Integrate KVM guest into Cluster. == Now the fun part, integrating the virtual machine you've just created into the cluster. It is incredibly simple. === Start the Cluster === On the host, start pacemaker. [source,C] ---- # pcs cluster start ---- Wait for the host to become the DC. The output of 'pcs status' should look similar to this after about a minute. [source,C] ---- Last updated: Thu Mar 14 16:41:22 2013 Last change: Thu Mar 14 16:41:08 2013 via crmd on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.10 1 Nodes configured, unknown expected votes 0 Resources configured. Online: [ example-host ] ---- Now enable the cluster to work without quorum or stonith. This is required just for the sake of getting this tutorial to work with a single cluster-node. [source,C] ---- # pcs property set stonith-enabled=false # pcs property set no-quorum-policy=ignore ---- === Integrate KVM Guest as remote-node === If you didn't already do this earlier in the verify host to guest connection section, add the KVM guest's ip to the host's /etc/hosts file so we can connect by hostname. The command below will do that if you used the same ip address I used earlier. [source,C] ---- # cat << END >> /etc/hosts 192.168.122.10 guest1 END ---- We will use the +VirtualDomain+ resource agent for the management of the virtual machine. This agent requires the virtual machine's xml config to be dumped to a file on disk. To do this pick out the name of the virtual machine you just created from the output of this list. [source,C] ---- # virsh list --all Id Name State ______________________________________________ - guest1 shut off ---- In my case I named it guest1. Dump the xml to a file somewhere on the host using the following command. [source,C] ---- # virsh dumpxml guest1 > /root/guest1.xml ---- Now just register the resource with pacemaker and you're set! [source,C] ---- # pcs resource create vm-guest1 VirtualDomain hypervisor="qemu:///system" config="/root/guest1.xml" meta remote-node=guest1 ---- Once the 'vm-guest1' resource is started you will see 'guest1' appear in the 'pcs status' output as a node. The final 'pcs status' output should look something like this. [source,C] ---- Last updated: Fri Mar 15 09:30:30 2013 Last change: Thu Mar 14 17:21:35 2013 via cibadmin on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.10 2 Nodes configured, unknown expected votes 2 Resources configured. Online: [ example-host guest1 ] Full list of resources: vm-guest1 (ocf::heartbeat:VirtualDomain): Started example-host ---- === Starting Resources on KVM Guest === The commands below demonstrate how resources can be executed on both the remote-node and the cluster-node. Create a few Dummy resources. Dummy resources are real resource agents used just for testing purposes. They actually execute on the host they are assigned to just like an apache server or database would, except their execution just means a file was created. When the resource is stopped, that the file it created is removed. [source,C] ---- # pcs resource create FAKE1 ocf:pacemaker:Dummy # pcs resource create FAKE2 ocf:pacemaker:Dummy # pcs resource create FAKE3 ocf:pacemaker:Dummy # pcs resource create FAKE4 ocf:pacemaker:Dummy # pcs resource create FAKE5 ocf:pacemaker:Dummy ---- Now check your 'pcs status' output. In the resource section you should see something like the following, where some of the resources got started on the cluster-node, and some started on the remote-node. [source,C] ---- Full list of resources: vm-guest1 (ocf::heartbeat:VirtualDomain): Started example-host FAKE1 (ocf::pacemaker:Dummy): Started guest1 FAKE2 (ocf::pacemaker:Dummy): Started guest1 FAKE3 (ocf::pacemaker:Dummy): Started example-host FAKE4 (ocf::pacemaker:Dummy): Started guest1 FAKE5 (ocf::pacemaker:Dummy): Started example-host ---- The remote-node, 'guest1', reacts just like any other node in the cluster. For example, pick out a resource that is running on your cluster-node. For my purposes I am picking FAKE3 from the output above. We can force FAKE3 to run on 'guest1' in the exact same way we would any other node. [source,C] ---- # pcs constraint FAKE3 prefers guest1 ---- Now looking at the bottom of the 'pcs status' output you'll see FAKE3 is on 'guest1'. [source,C] ---- Full list of resources: vm-guest1 (ocf::heartbeat:VirtualDomain): Started example-host FAKE1 (ocf::pacemaker:Dummy): Started guest1 FAKE2 (ocf::pacemaker:Dummy): Started guest1 FAKE3 (ocf::pacemaker:Dummy): Started guest1 FAKE4 (ocf::pacemaker:Dummy): Started example-host FAKE5 (ocf::pacemaker:Dummy): Started example-host ---- === Testing Remote-node Recovery and Fencing === Pacemaker's policy engine is smart enough to know fencing remote-nodes associated with a virtual machine means shutting off/rebooting the virtual machine. No special configuration is necessary to make this happen. If you are interested in testing this functionality out, trying stopping the guest's pacemaker_remote daemon. This would be equivalent of abruptly terminating a cluster-node's corosync membership without properly shutting it down. ssh into the guest and run this command. [source,C] ---- # kill -9 `pidof pacemaker_remoted` ---- After a few seconds or so you'll see this in your 'pcs status' output. The 'guest1' node will be show as offline as it is being recovered. [source,C] ---- Last updated: Fri Mar 15 11:00:31 2013 Last change: Fri Mar 15 09:54:16 2013 via cibadmin on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.10 2 Nodes configured, unknown expected votes 7 Resources configured. Online: [ example-host ] OFFLINE: [ guest1 ] Full list of resources: vm-guest1 (ocf::heartbeat:VirtualDomain): Started example-host FAKE1 (ocf::pacemaker:Dummy): Stopped FAKE2 (ocf::pacemaker:Dummy): Stopped FAKE3 (ocf::pacemaker:Dummy): Stopped FAKE4 (ocf::pacemaker:Dummy): Started example-host FAKE5 (ocf::pacemaker:Dummy): Started example-host Failed actions: guest1_monitor_30000 (node=example-host, call=3, rc=7, status=complete): not running ---- Once recovery of the guest is complete, you'll see it automatically get re-integrated into the cluster. The final 'pcs status' output should look something like this. [source,C] ---- Last updated: Fri Mar 15 11:03:17 2013 Last change: Fri Mar 15 09:54:16 2013 via cibadmin on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.10 2 Nodes configured, unknown expected votes 7 Resources configured. Online: [ example-host guest1 ] Full list of resources: vm-guest1 (ocf::heartbeat:VirtualDomain): Started example-host FAKE1 (ocf::pacemaker:Dummy): Started guest1 FAKE2 (ocf::pacemaker:Dummy): Started guest1 FAKE3 (ocf::pacemaker:Dummy): Started guest1 FAKE4 (ocf::pacemaker:Dummy): Started example-host FAKE5 (ocf::pacemaker:Dummy): Started example-host Failed actions: guest1_monitor_30000 (node=example-host, call=3, rc=7, status=complete): not running ---- === Accessing Cluster Tools from Remote-node === Besides just allowing the cluster to manage resources on a remote-node, pacemaker_remote has one other trick. +The pacemaker_remote daemon allows nearly all the pacemaker tools (crm_resource, crm_mon, crm_attribute, crm_master) to work on remote nodes natively.+ Try it, run +crm_mon+ or +pcs status+ on the guest after pacemaker has integrated the remote-node into the cluster. These tools just work. These means resource agents such as master/slave resources which need access to tools like crm_master work seamlessly on the remote-nodes. pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-LXC-Tutorial.txt000066400000000000000000000270721217637305600245400ustar00rootroot00000000000000= Linux Container (LXC) Walk-through = +What this tutorial is:+ This tutorial demonstrates how pacemaker_remote can be used with Linux containers (managed by libvirt-lxc) to run cluster resources in an isolated environment. +What this tutorial is not:+ This tutorial is not a realistic deployment scenario. The steps shown here are meant to introduce users to the concept of managing Linux container environments with Pacemaker. == Step 1: Setup LXC Host == This tutorial was tested with Fedora 18. Anything that is capable of running libvirt and pacemaker v1.1.10 or greater will do though. An installation guide for installing Fedora 18 can be found here, http://docs.fedoraproject.org/en-US/Fedora/18/html/Installation_Guide/. Fedora 18 (or similar distro) host preparation steps. === SElinux and Firewall Rules === In order to simply this tutorial we will disable the selinux and the firewall on the host. WARNING: These actions pose a significant security issues to machines exposed to the outside world. Basically, just don't do this on your production system. [source,C] ---- # setenforce 0 # sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config # firewall-cmd --add-port 3121/tcp --permanent # systemctl disable iptables.service # systemctl disable ip6tables.service # rm '/etc/systemd/system/basic.target.wants/iptables.service' # rm '/etc/systemd/system/basic.target.wants/ip6tables.service' # systemctl stop iptables.service # systemctl stop ip6tables.service ---- === Install Cluster Software on Host === [source,C] ---- # yum install -y pacemaker pacemaker-remote corosync pcs resource-agents ---- === Configure Corosync === Running the command below will attempt to detect the network address corosync should bind to. [source,C] ---- # export corosync_addr=`ip addr | grep "inet " | tail -n 1 | awk '{print $4}' | sed s/255/0/g` ---- Display and verify the address is correct [source,C] ---- # echo $corosync_addr ---- In most cases the address will be 192.168.1.0 if you are behind a standard home router. Now copy over the example corosync.conf. This code will inject your bindaddress and enable the vote quorum api which is required by pacemaker. [source,C] ---- # cp /etc/corosync/corosync.conf.example /etc/corosync/corosync.conf # sed -i.bak "s/.*\tbindnetaddr:.*/bindnetaddr:\ $corosync_addr/g" /etc/corosync/corosync.conf # cat << END >> /etc/corosync/corosync.conf quorum { provider: corosync_votequorum expected_votes: 2 } END ---- === Verify Cluster === Start the cluster [source,C] ---- # pcs cluster start ---- Verify corosync membership [source,C] ---- # pcs status corosync Membership information Nodeid Votes Name 1795270848 1 example-host (local) ---- Verify pacemaker status. At first the 'pcs cluster status' output will look like this. [source,C] ---- # pcs status Last updated: Thu Mar 14 12:26:00 2013 Last change: Thu Mar 14 12:25:55 2013 via crmd on example-host Stack: corosync Current DC: Version: 1.1.10 1 Nodes configured, unknown expected votes 0 Resources configured. ---- After about a minute you should see your host as a single node in the cluster. [source,C] ---- # pcs status Last updated: Thu Mar 14 12:28:23 2013 Last change: Thu Mar 14 12:25:55 2013 via crmd on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.8-9b13ea1 1 Nodes configured, unknown expected votes 0 Resources configured. Online: [ example-host ] ---- Go ahead and stop the cluster for now after verifying everything is in order. [source,C] ---- # pcs cluster stop ---- == Step 2: Setup LXC Environment == === Install Libvirt LXC software === [source,C] ---- # yum install -y libvirt libvirt-daemon-lxc wget # systemctl enable libvirtd ---- At this point, restart the host. === Generate Libvirt LXC domains === I've attempted to simply this tutorial by creating a script to auto generate the libvirt-lxc xml domain definitions. Download the script to whatever directory you want the containers to live in. In this example I am using the /root/lxc/ directory. [source,C] ---- # mkdir /root/lxc/ # cd /root/lxc/ # wget https://raw.github.com/davidvossel/pcmk-lxc-autogen/master/lxc-autogen # chmod 755 lxc-autogen ---- Now execute the script. [source,C] ---- # ./lxc-autogen ---- After executing the script you will see a bunch of directories and xml files are generated. Those xml files are the libvirt-lxc domain definitions, and the directories are used as some special mount points for each container. If you open up one of the xml files you'll be able to see how the cpu, memory, and filesystem resources for the container are defined. You can use the libvirt-lxc driver's documentation found here, http://libvirt.org/drvlxc.html, as a reference to help understand all the parts of the xml file. The lxc-autogen script is not complicated and is worth exploring in order to grasp how the environment is generated. It is worth noting that this environment is dependent on use of libvirt's default network interface. Verify the commands below look the same as your environment. The default network address 192.168.122.1 should have been generated by automatically when you installed the virtualization software. [source,C] ---- # virsh net-list Name State Autostart Persistent ________________________________________________________ default active yes yes # virsh net-dumpxml default | grep -e "ip address=" ---- === Generate the Authkey === Generate the authkey used to secure connections between the host and the lxc guest pacemaker_remote instances. This is sort of a funny case because the lxc guests and the host will share the same key file in the /etc/pacemaker/ directory. If in a different deployment where the lxc guests do not share the host's /etc/pacemaker directory, this key will have to be copied into each lxc guest. [source,C] ---- # dd if=/dev/urandom of=/etc/pacemaker/authkey bs=4096 count=1 ---- == Step 3: Integrate LXC guests into Cluster. == === Start Cluster === On the host, start pacemaker. [source,C] ---- # pcs cluster start ---- Wait for the host to become the DC. The output of 'pcs status' should look similar to this after about a minute. [source,C] ---- Last updated: Thu Mar 14 16:41:22 2013 Last change: Thu Mar 14 16:41:08 2013 via crmd on example-host Stack: corosync Current DC: example-host (1795270848) - partition WITHOUT quorum Version: 1.1.10 1 Nodes configured, unknown expected votes 0 Resources configured. Online: [ example-host ] ---- Now enable the cluster to work without quorum or stonith. This is required just for the sake of getting this tutorial to work with a single cluster-node. [source,C] ---- # pcs property set stonith-enabled=false # pcs property set no-quorum-policy=ignore ---- === Integrate LXC Guests as remote-nodes === If you ran the 'lxc-autogen' script with default parameters, 3 lxc domain definitions were created as .xml files. If you used the same directory I used for the lxc environment, the config files will be located in /root/lxc. Replace the 'config' parameters in the following pcs commands if yours should be different. The pcs commands below each configure a lxc guest as a remote-node in pacemaker. Behind the scenes each lxc guest is launching an instance of pacemaker_remote allowing pacemaker to integrate the lxc guests as remote-nodes. The meta-attribute 'remote-node=' used in each command is what tells pacemaker that the lxc guest is both a resource and a remote-node capable of running resources. In this case, the 'remote-node' attribute also indicates to pacemaker that it can contact each lxc's pacemaker_remote service by using the remote-node name as the hostname. If you look in the /etc/hosts/ file you will see entries for each lxc guest. These entries were auto-generated earlier by the 'lxc-autogen' script. [source,C] ---- # pcs resource create container1 VirtualDomain force_stop="true" hypervisor="lxc:///" config="/root/lxc/lxc1.xml" meta remote-node=lxc1 # pcs resource create container2 VirtualDomain force_stop="true" hypervisor="lxc:///" config="/root/lxc/lxc2.xml" meta remote-node=lxc2 # pcs resource create container3 VirtualDomain force_stop="true" hypervisor="lxc:///" config="/root/lxc/lxc3.xml" meta remote-node=lxc3 ---- After creating the container resources you 'pcs status' should look like this. [source,C] ---- Last updated: Mon Mar 18 17:15:46 2013 Last change: Mon Mar 18 17:15:26 2013 via cibadmin on guest1 Stack: corosync Current DC: example-host (175810752) - partition WITHOUT quorum Version: 1.1.10 4 Nodes configured, unknown expected votes 6 Resources configured. Online: [ example-host lxc1 lxc2 lxc3 ] Full list of resources: container3 (ocf::heartbeat:VirtualDomain): Started example-host container1 (ocf::heartbeat:VirtualDomain): Started example-host container2 (ocf::heartbeat:VirtualDomain): Started example-host ---- === Starting Resources on LXC Guests === Now that the lxc guests are integrated into the cluster, lets generate some Dummy resources to run on them. Dummy resources are real resource agents used just for testing purposes. They actually execute on the node they are assigned to just like an apache server or database would, except their execution just means a file was created. When the resource is stopped, that the file it created is removed. [source,C] ---- # pcs resource create FAKE1 ocf:pacemaker:Dummy # pcs resource create FAKE2 ocf:pacemaker:Dummy # pcs resource create FAKE3 ocf:pacemaker:Dummy # pcs resource create FAKE4 ocf:pacemaker:Dummy # pcs resource create FAKE5 ocf:pacemaker:Dummy ---- After creating the Dummy resources you will see that the resource got distributed among all the nodes. The 'pcs status' output should look similar to this. [source,C] ---- Last updated: Mon Mar 18 17:31:54 2013 Last change: Mon Mar 18 17:31:05 2013 via cibadmin on example-host Stack: corosync Current DC: example=host (175810752) - partition WITHOUT quorum Version: 1.1.10 4 Nodes configured, unknown expected votes 11 Resources configured. Online: [ example-host lxc1 lxc2 lxc3 ] Full list of resources: container3 (ocf::heartbeat:VirtualDomain): Started example-host container1 (ocf::heartbeat:VirtualDomain): Started example-host container2 (ocf::heartbeat:VirtualDomain): Started example-host FAKE1 (ocf::pacemaker:Dummy): Started lxc1 FAKE2 (ocf::pacemaker:Dummy): Started lxc2 FAKE3 (ocf::pacemaker:Dummy): Started lxc3 FAKE4 (ocf::pacemaker:Dummy): Started lxc1 FAKE5 (ocf::pacemaker:Dummy): Started lxc2 ---- To witness that Dummy agents are running within the lxc guests browse one of the lxc domain's filesystem folders. Each lxc guest has a custom mount point for the '/var/run/'directory, which is the location the Dummy resources write their state files to. [source,C] ---- # ls lxc1-filesystem/var/run/ Dummy-FAKE4.state Dummy-FAKE.state ---- If you are curious, take a look at lxc1.xml to see how the filesystem is mounted. === Testing LXC Guest Failure === You will be able to see each pacemaker_remoted process running in each lxc guest from the host machine. [source,C] ---- # ps -A | grep -e pacemaker_remote* 9142 pts/2 00:00:00 pacemaker_remot 10148 pts/4 00:00:00 pacemaker_remot 10942 pts/6 00:00:00 pacemaker_remot ---- In order to see how the cluster reacts to a failed lxc guest. Try killing one of the pacemaker_remote instances. [source,C] ---- # kill -9 9142 ---- After a few moments the lxc guest that was running that instance of pacemaker_remote will be recovered along with all the resources running within that container. pacemaker-master/doc/Pacemaker_Remote/en-US/Ch-Options.txt000066400000000000000000000045611217637305600237420ustar00rootroot00000000000000= Configuration Explained = The walk-through examples use some of these options, but don't explain exactly what they mean or do. This section is meant to be the go-to resource for all the options available for configuring remote-nodes. == Resource Options == When configuring a virtual machine or lxc resource to act as a remote-node, these are the metadata options available to both enable the resource as a remote-node and define the connection parameters. .Metadata Options for configuring KVM/LXC resources as remote-nodes [width="95%",cols="1m,1,4<",options="header",align="center"] |========================================================= |Option |Default |Description |+remote-node+ | |The name of the remote-node this resource defines. This both enables the resource as a remote-node and defines the unique name used to identify the remote-node. If no other parameters are set, this value will also be assumed as the hostname to connect to at port 3121. +WARNING+ This value cannot overlap with any resource or node IDs. |+remote-port+ |3121 |Configure a custom port to use for the guest connection to pacemaker_remote. |+remote-addr+ |+remote-node+ value used as hostname |The ip address or hostname to connect to if remote-node's name is not the hostname of the guest. |+remote-connect-timeout+ |60s |How long before a pending guest connection will time out. |========================================================= == Host and Guest Authentication == Authentication and encryption of the connection between cluster-nodes (pacemaker) to remote-nodes (pacemaker_remote) is achieved using TLS with PSK encryption/authentication on +tcp port 3121+. This means both the cluster-node and remote-node must share the same private key. By default this +key must be placed at "/etc/pacemaker/authkey" on both cluster-nodes and remote-nodes+. == Pacemaker and pacemaker_remote Options == If you need to change the default port or authkey location for either pacemaker or pacemaker_remote, there are environment variables you can set that affect both of those daemons. These environment variables can be enabled by placing them in the /etc/sysconfig/pacemaker file. [source,C] ---- #==#==# Pacemaker Remote # Use a custom directory for finding the authkey. PCMK_authkey_location=/etc/pacemaker/authkey # # Specify a custom port for Pacemaker Remote connections PCMK_remote_port=3121 ---- pacemaker-master/doc/Pacemaker_Remote/en-US/Pacemaker_Remote.ent000066400000000000000000000002671217637305600251300ustar00rootroot00000000000000 pacemaker-master/doc/Pacemaker_Remote/en-US/Pacemaker_Remote.xml000066400000000000000000000016751217637305600251460ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> pacemaker-master/doc/Pacemaker_Remote/en-US/Revision_History.xml000066400000000000000000000017641217637305600252610ustar00rootroot00000000000000 %BOOK_ENTITIES; ]> Revision History 1-0 Tue Mar 19 2013 DavidVosseldvossel@redhat.com Import from Pages.app 2-0 Tue May 13 2013 DavidVosseldvossel@redhat.com Added Future Features Section pacemaker-master/doc/Pacemaker_Remote/en-US/images/000077500000000000000000000000001217637305600224555ustar00rootroot00000000000000pacemaker-master/doc/Pacemaker_Remote/en-US/images/pcmk-ha-cluster-stack.png000066400000000000000000001025501217637305600272700ustar00rootroot00000000000000PNG  IHDRmM* pHYs+IDATx]w\TG^P{7((X D.V${Â{nXP1K K56 |ϷͼƲwsΝ9s̝;=%%Em A5xO>Uy һ2^MyfQ~;v(QBf]S5ҥה)SZl)M%55{III֫HC#6K45?OS^ZF c%۫.VXLL̳gϴ'ڴiw ,EEOSq_=忮Y3l WhTCZiUTI6ЦPn]Ak+T5{zڙJ|ի3j(Ir5ڥ? * ?u.8wߡdʏ(-[iӦٝ?AR{q$2 p`` .h'r$ʁUŋ]ڶknΜ9kxxׯu|2a۶msvvQp dJWng*L7ϟ߽{AAA[9s&y!,n[I935f̘۷ݼys N< 3dm +i7oFS1k׮{!/zРAX{V^{&x;1b :*THd&mrAˠ0Ej:AIllŋSRR`Ϝ9ʋdž % &O<r"%M$K`g!IeRӧO߽{q#Յb`SfT+IfϞlW[%A]<C L" d MA$=:u űc~XaaWyʑv#hݩvk)SвqJkNC3#c0]aYڒTWm޽keeվ} . .S |}}m#t,})jCSΦ*sJISh͛!ډh'nP;A=i8cZLFf!doh57[f|m2ٍ2ɚ.e˂qF޼yUٳg'%*dʕ|EGGӇiTص7nؤI,zzNY2$$JWpD ]UwjcLjGԩlZ}||/_WdEb1,Nt#,M\y \tI5_CgÆ ܩ\SکF?-N}9mtD08BSN& `ӦMރT۷շeZ[[Y&kb+vvv\IǸ:RUeݩPzTNBG}Ik3ԣ=zm۶'ONΆOO~͌!?}I&t 5W{tBW4z:)s-Ob~6mz PBgΜپ}֭[qɓ'%K-sss矵kf ߶m[Ν^*].坧'xtmn>i|HHH_sΉ>+W.8{qpp)ݯG+"[Qud ͛ġGR*GZ4M$~~٢E l~u4nz>`$/jժ]~=o޼ڵ4hݻ^zݼyS:Ytn_t %~Pmh `薥e@_t雎~ѯ2˗/1zA^ntI&#i~EL~:/00qwwG==<<-CCC`#1Dj˛1~[SL)ʤ[={ѽ{QFҸv)Tښڲe R bM4` ]vJ-& "/N\ojHa =2խ9UA5>1E˖-uNzFR1HIEx.M}J>ސPiaaabMLLjEVfpI=vEet~׭[uVk~D+|pIisZͯX*֟*ʊ#W4e˖V1ߛ5kr ,رc'g~i~ϝ;'9sC%ܯz@\ǎѱcGzph!Cp t eca.\8h 8$N:uދ/icY$.X~gƌ߿3gmEwޭP}5nܸ'O8qBkYoF);vPC?B<6lةSh9hq(A#&IIIG7o:5.@4|E_-,,}LqjE@XJF"iِ"֤tUΜ9QĜn~i7RB򡚭,Z...2^יvPjk- P_땪\à qdѯBd zϞ= Q} [niTcl+#[H˗O"G>V>iΝ:t?~0@OBy;w.dk֭ trrj׮OdVw DQFJڴiǷI+E[lYʕ+k֬I\#JK.UYNzBCC߼yӧO: 5Ls0 9Һu(IҲMbQ,ґڵk9jWkb$z%Ed< d=YnB6R%h`jjZRxJT'Ok9%:e˖I&'0V_q}fu dzTt.Ғ(ѣ ht_Â&QS/X :/~#zT+W.,@Vzq25g)오:{3tB]SՍ~0BF lM(w=qB 㙱!;fFO2 Gݒ0rY܊+M6p@Y2s9))TR7NTQthYB֭INܦ'Oѣlj'@Ǔ\7d9-...z;ėZ]֯_`~ŋϙ3-[h߆={ܹƘTK_Ϛ5kٲe}|| 1$ԻjՊ޸qc-ʗ/?hР!CϟÆ ȏ}2ڵ %27/S Tݻww@@/_>C@G5QaDOeu~E| DQvQhevSНt~w}=UBSSEA(?4pȟIlAϜ9j@6iҤgϞb2bŊsn׮,11C2B/G.lGzb0tPd@+UL#ﶶaaavvvܹs!OUTy&njCxu+73m֭III!!!qqq͚58W\Bk[n iKHH@ɴاLuի2PQݻˌseA{fUFH )S3|8R C"Nqo߾w)RnGV7Fښ IBh 2Tre~Mkwռ.Y鉑1F#1\[πY:u*G֥e˖aLC >aŊՙ08BG GΙJd"P0=EUUËu9ÐciV}>g `=|ݖ3:`Vŋ&L9s`d76nܸdɒc&8l޼_~[lqwwq2"#Zйsg'''N:lRos)ϢիWn9"""^|))Э[7"LBJ96jѣ/jwjx9?ݾ}{.]?G:UhZ+C; ,ֵEiyͅǔ 111og;vZmAaܹsU֧O|a%͈#8[:.x1޽ 0m۶U>& #9V>[ i˴KVGiM]̍u( E46l@V w_YXb]__\r!kkGȑ#!!2zb:F-=3 Y:@%iL>c)j,cqGmzJ_mtO<9j(NN7klȑ=z?6wRѴoرc,NV Q2Dsj=vO޽{wz0yi:w:uٳ>}BTa=(9s\x1}TvL N/<;w[j9s&oƌ߿Gx}Hy{{r[:'Nhy7i$3::`TxSm޼ySzusذaC%1VH{,XpAWWLuÇGp 0`Ud/˗/?tPDFYSYfaXy@>^&_hnntRSSSuٲeҩ;A}OΟ?'b]HAΞ=[Z[k׮Q (߹sfffNMVH" Ν#V&_H-Zd^;qD .BϸuǏ!ṕQQ4kB3 RJpO'O~* Q[> [ժUmll``3,3MS4􍰺=.SH)p yZɑo`NL &P^Z[J[#PnMKgp3 t^fv$OEk)O_Hƒ -f2!ԯ$!"NcB˜wziZ0)_~'OL[it͛7qԩm۶-ZHfDu qk@VW;A~zժUHQF^J.λv0gxw>yb1. u9)׬Y驡3 qqq4S:~xJ={6  !3mMVdɒǎC޽ SNrr2u:K.-k֬ ʕ Ct~&ri% ci&w )0][lپ}իW~Meiw133sssuW^q%z< ׯ_۷e'/NӧO3:lذaӦMoFdUlY77~)}ڴ+Jc-ebnzSʟ={u~9$$dB' RFzѥKb TǏI]S}PB!vZm?kРLLL)C߾} ?zGTϝ;wIVׯkjsh(O]|رcNNNꞂڜzڵk#>1ct޽t&''wرQFӦMb'OG>}Ըq[nΝ[]0x;vܹ = tURV?- pCCYrHS!.۶mSxjTi㬥 k)`-e0XK k)(-`B6QѤG`B޽+Vr L0D —طoʰ1cHG2҄6mxyyIVS2ƪ,4x| iբEj5k}ԭ[ʼn'DR6l fϞc:k˗/2D\0JJ+k珈~^xVZ߿'u۶m+\Hk![lzxPWUTTTŊܹYtupk /` ZhѡC'CbbbRR :MΜ9#∗#^4ի'΄4ֈWu"ϴe((GDmڴ ݼ#,xMLZ!xȬ0mY>}tڴi/_.WHZp-DbjnѢED7hMQJq{A4!CH:!T`A˗/ ҥجȀxaa;tv5lwhblh2ZtY\_C8tN`ϟ?WxXg[n# u'n֬LM)T?I.]JJC;JuN9ťBBuJ'05g3'脄r${*4-&&QH 4L$-Q^3WW>DEqīc۲eK0:8TE%J.!1>>>DLhOH07Ch)Gt%2.\r3YLKyCT&x0Hŋ23=M~hϩLhIМr%Zxy?ެ{|U dRU zAahhhlٲQ\Q6Nu666&M2n񪆯n~m.]mӧOJ433۱cݻwZcǎ͐]\\)s͚5 ~gggg*Օ򙘘'nݺ e8ie[, Pmҿg*8z耀~~~SLba]bbL?8:/W\|}}Ӡ *ԭ[Gyϔ *VX-͞=;TXh&Bb ȆAX 3M0BΝ;UK>ԬYS0g…fͺ~BBÑjAumCbd]9r9:xR%<>\dܹsϪ}nܸQJYf)MP J p >|Y&8҂###e===;hhʕ׮]C֥K5jׯ#{%b:wwjժ}C/Z>jjРA}%b!C enzƍ*TOg:yfذa!!!8>e,/ sέ_>W˗S%K@n*WLbcc+\ .yիSRRz fVX!1@MLLF!f1>}zRRR͛w}<.c쌎Hrva|B9ȆAP4U[_3bcǎ-YǙ3g.^[n( <~f]Eow]H4 1eS񞝺zC`ׯ_ߦMŋV׮] 6}TCYaM Cx!MqssꛔD8uT8iӦAHࢢĢd[ ) CdCcJMZ*GCxiRQuMʼ{58FشiS#2@!|haaѸqcɓMs* ,}vfȘyċ CI^7o^///J(<[N8Vҥ1jSqAK5xLet h2`0rH~1$àC)-J =r*+3GAǔy+o۩s'={vutf- k5uHLxK'ĨkUcGb$HWЁ0>CBۈqc FPQK1tRm9 &b"7..qdd$L0DZ11 ׯ_,X M~b_Og"Ux&'2}?^"۶mۂ=z3gڵkףG[ )>>>yuɓ'Ν;:x={"[HHȨQPEP-[ݻw/f>j:~8-+ӧsΕ+Wbb `ӧܹ˗&&&={(.LӫU KؠaÆ~PO)g&%Ug֙?,YeUV.s#^e]=<|8Zڷo~Q :{I-MC=#"")))R^*kҒYf_kԹàRg{Q2A]fM{ +?MKgTK  CGؠnj}E}K+Q ݄4K+9# A߹sg墪#FRwIe5@0m.;rL*Fp0 }׻wohn7#޿eoozj.uEj MR˼y,gj+++ I .03f̐>x"D<"-q͚5KNke)L)RFwRTXQz ܽ{K4U^d}b9ؒzN{;}xLA&    ϫWpCIIIrFR)B#?X@ͨ_>Qqܹs nw2tgΝE- @c'i7CA3sνqF9FFBBھk.~K>ƍ ՀWG ߤIYj͛7C"E򢥾E`L_C6c5yʕ+o< G;ԭQFʕ ѯBV H*0j(fen3{! 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Order and collocation constraints are created for those resources and new LVM resources to ensure proper start/stop order and resource placement. 7. Non-LVM EVMS2 Skip this in case you don't have EVMS2 resources. It is not possible to deal with this on a SLE11 system, so you should convert it to a compatibility volume on SLES10, which would turn the it into a LVM2 volume group. The CIB then should be modified accordingly. Enforcing conversion -------------------- There is a simple mechanism which prevents running the conversion process twice in a row. If you know what you are doing, it is possible to force the conversion using the -F option. After the conversion -------------------- Once the conversion has been finished, you may start the new cluster stack: # /etc/init.d/openais start (for SLE11 HAE >=SP1 too) or # /etc/init.d/corosync start Put resources back to the managed mode in case they were previously unmanaged. Backup ------ The conversion procedure also creates backup of all affected files. It is possible to revert to the version from the time of backup: # /usr/lib/heartbeat/hb2openais.sh revert Note that the revert process is executed only on the node on which the conversion took place. NB: hostcache and hb_uuid files (in /var/lib/heartbeat) are not removed. They are not used by Corosync/OpenAIS, hence, once you're content with the conversion, you may safely remove them. Affected files -------------- All file processing is done on the node where conversion runs. The CIB is the only file which is converted: /var/lib/heartbeat/crm/cib.xml The CIB is removed on all other nodes. The following files are generated: /etc/ais/openais.conf /etc/ais/authkey or /etc/corosync/corosync.conf /etc/corosync/authkey The following files are removed on all nodes: /var/lib/heartbeat/crm/cib.xml.sig /var/lib/heartbeat/crm/cib.xml.last /var/lib/heartbeat/crm/cib.xml.sig.last /var/lib/heartbeat/hostcache /var/lib/heartbeat/hb_uuid The Corosync/OpenAIS specific files are copied to all nodes using ssh. The CIB is automatically replicated by the CRM and it is not copied to other nodes. References ---------- http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained openais.conf(5) corosync.conf(5) pacemaker-master/doc/acls.txt000066400000000000000000000157621217637305600165540ustar00rootroot00000000000000Pacemaker Access Control Lists ============================== Tim Serong == Introduction The various tools for administering Pacemaker clusters (crm_mon, crm shell, cibadmin and friends, Python GUI, Hawk) can be used by the +root+ user, or any user in the +haclient+ group. By default, these users have full read/write access. Starting with Pacemaker version 1.1.5, flexible access control lists are introduced to provide different levels of administration to different users. == Prerequisites * Users are regular UNIX users, so the same user accounts must be present on all nodes in the cluster. * All user accounts must be in the +haclient+ group. * Pacemaker 1.1.5 or newer must be installed on all cluster nodes. * The CIB must be configured to use the pacemaker-1.1 or 1.2 schema. This can be set by running: cibadmin --modify --xml-text '' * The +enable-acl+ option must be set. If ACLs are not explicitly enabled, the previous behaviour will be used (i.e. all users in the +haclient+ group have full access): crm configure property enable-acl=true * Once this is done, ACLs can be configured as described below. * Note that the +root+ and +hacluster+ users will always have full access. * If nonprivileged users will be using the crm shell and CLI tools (as opposed to only using Hawk or the Python GUI) they will need to have +/usr/sbin+ added to their path. == Configuring ACLs Access control lists consist of an ordered set of access rules. Each rule allows read or write access or denies access completely to a part of the CIB. Rules are typically combined to produce a specific role, then users may be assigned to that role. It is also possible to configure ACLs directly for individual users. ACLs may be configured using the crm shell or the Python GUI. The shell syntax is documented here. Using the Python GUI should be reasonably straightforward once the concepts are understood. Note that rules are applied from first to last with the first matching rule being used. This means specific +write+ rules usually need to be listed before general +read+ rules. Any permission not explicitly granted is denied by default, but note that +write+ implies +read+, so there is no need to specicify both to allow full read/write access. === Minimum Required ACLs In order for the various tools to work correctly, a certain minimum amount of data must be readable by the user invoking the tool. In general, the safest thing to do is simply allow all users and roles read access to the entire CIB. === Role Syntax An ACL role is a set of rules which describe access rights to CIB. Rules consist of an access right +read+, +write+, or +deny+ and a specification denoting part of the configuration to which the access right applies. The specification can be an XPath or a combination of tag and id references. If an attribute is appended, then the specification applies only to that attribute of the matching element. ==== Usage ............... role rule [rule ...] rule :: acl-right cib-spec [attribute:] acl-right :: read | write | deny cib-spec :: xpath-spec | tag-ref-spec xpath-spec :: xpath: tag-ref-spec :: tag: | ref: | tag: ref: ............... ==== Example Role: Read-only Access ............... role monitor \ read xpath:"/cib" ............... This is a single rule which allows read-only access to the entire CIB. Users with this role will be able to view the status of the cluster, but not make any changes. ==== Example Role: ``Operator'' Access ............... role operator \ write xpath:"//crm_config//nvpair[@name='maintenance-mode']" \ write xpath:"//op_defaults//nvpair[@name='record-pending']" \ write xpath:"//nodes/node//nvpair[@name='standby']" \ write xpath:"//resources//nvpair[@name='target-role']" \ write xpath:"//resources//nvpair[@name='is-managed']" \ write xpath:"//constraints/rsc_location" \ read xpath:"/cib" ............... These rules specify that users with this role will be able to: . Turn maintenance mode on or off . Change whether pending operations are recorded . Put any node on standby, and bring any node back online . Start, stop, promote or demote any resource . Tell the cluster to manage, or not manage any resource . Migrate/move resources from node to note . View the status of the cluster Users with this role will not be able to reconfigure resources (change parameters, operations, etc.) or colocation or ordering constraints. ==== Example Role: Full Access ............... role administrator \ write xpath:"/cib" ............... This is a single rule which allows rull read-write access to the entirue CIB. Users with this role will have equivalent access to the +root+ and +hacluster+ users. === User Syntax ACLs can be defined for individual users using the same syntax as for roles. Alternately, users can simply be assigned a given role. The latter is considered best practice. ==== Usage ............... user {role:|rule [rule ...]} rule :: acl-right cib-spec [attribute:] acl-right :: read | write | deny cib-spec :: xpath-spec | tag-ref-spec xpath-spec :: xpath: tag-ref-spec :: tag: | ref: | tag: ref: ............... ==== Example ............... user alice role:monitor user bob role:operator ............... The above example assigns +alice+ the +monitor+ role and +bob+ the +operator+ role. == Advanced Usage Because ACLs can refer to elements and attributes in the CIB in a very granular way, it is possible to configure very specific rules. A refinement of the ``operator'' role above would be to allow manipulation of only a specific resource, for example: ............... role bigdb_admin \ write xpath:"//primitive[@id='bigdb']/meta_attributes/nvpair[@name='target-role']" \ write xpath:"//primitive[@id='bigdb']/meta_attributes/nvpair[@name='is-managed']" \ write xpath:"//constraints/rsc_location[@rsc='bigdb']" \ read ref:"bigdb" \ read xpath:"//nodes/node" uname \ read xpath:"//nodes/node" type \ read xpath:"//crm_config/cluster_property_set" \ read xpath:"/cib/status" ............... The first four rules are specific for the +bigdb+ resource. They allow modifying the +target-role+ and +is-managed+ meta attributes which effectively enables users in this role to stop/start and manage/unmanage the resource. The constraints write access rule allows moving the resource around. Finally, the user is granted read access to the resource definition. The bottom four rules are the absolute minimum read permissions necessary for proper operation of various Pacemaker tools, including `crm_mon` and the shell. This is fine for viewing cluster status, but there are some tools for which this will not be sufficient access (notably `ptest`), which is why it is generally recommened that read access be allowed to the entire CIB. pacemaker-master/doc/asciidoc.reference000066400000000000000000000015131217637305600205140ustar00rootroot00000000000000See also: http://powerman.name/doc/asciidoc Commands: `some-tool --with option` Files: '/tmp/file.name' Italic: _some text_ Mono: +some text+ Bold: *some text* Super: ^some text^ Sub: ~some text~ Quotes: ``double quoted'' `single quoted' Tool: command Literal: mono Varname: mono Option: italic Emphasis: italic bold Replaceable: italic mono .Title for Eaxmple ===== Some text ===== .Title for Eaxmple with XML Listing ===== [source,XML] ----- ----- ===== Naked code listing: (Use 'C' and a leading '#' instead of 'Bash' when commands are being show) [source,C] ----- # some command --here ----- Section anchors: [[s-name]] === Some Section Title === References to section anchors: <> or <>pacemaker-master/doc/cib-example-1.xml000066400000000000000000000071521217637305600201310ustar00rootroot00000000000000 pacemaker-master/doc/coding_guidelines.txt000066400000000000000000000055241217637305600213000ustar00rootroot00000000000000= Pacemaker Coding Guidelines = == Table of Contents == 1. Introduction 2. Formatting Guidelines 3. Naming Conventions 4. vim Settings == Introduction == The purpose of this document is to discuss guidelines about how to write code that will be a part of the Pacemaker project. == Formatting Guidelines == === Whitespace === - Indentation must be 4 spaces, no tabs. - Do not leave trailing whitespace. === Line Length === - Lines should be no longer than 80 characters unless limiting line length significantly impacts readability. === Pointers === - The '*' goes by the variable name, not the type: ``` char *foo; ``` - Use a space before the '*' and after the closing parenthesis in a cast: ``` char *foo = (char *) bar; ``` === Functions === - Put the return type on its own line: - Place the opening brace for a function on the next line: ``` static int foo(void) { ``` - For functions with enough arguments that they must break to the next line, align arguments with the first argument: ``` static int function_name(int bar, const char *a, const char *b, const char *c, const char *d) { ``` - If a function name gets really long, start the arguments on their own line with 8 spaces of indentation: ``` static int really_really_long_function_name_this_is_getting_silly_now( int bar, const char *a, const char *b, const char *c, const char *d) { ``` === Control statements (if, else, while, for, switch) === - Keyword is followed by one space, then left parenthesis witout space, condition, right parenthesis, space, opening bracket on the same line. - "else" and "else if" are on the same line with ending brace and opening brace, separated by space ``` if (condition1) { statement1; } else if (condition2) { statement2; } else { statement3; } ``` - Cases in switch statement have same indentation as switch. Body of cases is indented by one level. Opening brace is on the same line as switch. ``` switch (expression) { case 0: command0; break; case 1: command1; break; default: command; } ``` === Operators === - Operators have spaces from both sides. Do not rely on operator precedence, use brackets when mixing operators with different priority. - No space after opening bracked and before closing bracket. ``` x = a + b - (c * d); ``` == Naming Conventions == - Public C API calls and type names must begin with an API specific prefix, eg. "crm_", "pe_", "st_", "lrm_". == vim Settings == ```vim " This section contains settings that can be placed in the vimrc file that are " compatible with the Pacemaker coding guidelines. " Whitespace set ts=4 set sw=4 set expandtab let c_space_error=1 ``` pacemaker-master/doc/crm-flowchart.fig000066400000000000000000000275701217637305600203300ustar00rootroot00000000000000#FIG 3.2 Landscape Center Metric A4 59.40 Single -2 1200 2 6 1620 1665 2970 2430 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 2925 2385 2925 1890 1845 1890 1845 2385 2925 2385 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 2835 2295 1755 2295 1755 1800 2835 1800 2835 2295 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 2745 2205 1665 2205 1665 1710 2745 1710 2745 2205 4 1 0 50 0 14 14 0.0000 4 120 360 2340 2115 RAs\001 -6 6 6255 2520 7785 3375 6 6345 2610 7695 3285 4 1 0 50 0 14 14 0.0000 4 135 840 7020 2745 Cluster\001 4 1 0 50 0 14 14 0.0000 4 135 1320 7020 3000 Information\001 4 1 0 50 0 14 14 0.0000 4 120 480 7020 3255 Base\001 -6 6 6255 2520 7785 3375 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 7740 3330 7740 2565 6300 2565 6300 3330 7740 3330 -6 -6 6 7875 2520 8820 3150 6 7875 2520 8820 3150 2 4 0 2 0 7 50 0 -1 0.000 0 0 12 0 0 5 8773 3102 8773 2568 7922 2568 7922 3102 8773 3102 -6 4 1 0 50 0 14 14 0.0000 4 180 720 8348 2762 Policy\001 4 1 0 50 0 14 14 0.0000 4 180 720 8348 3037 Engine\001 -6 6 8910 2520 10665 2925 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 10620 2880 10620 2565 8955 2565 8955 2880 10620 2880 4 1 0 50 0 14 14 0.0000 4 135 1440 9765 2790 Transitioner\001 -6 6 6480 1620 10305 2025 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 10260 1980 10260 1665 6525 1665 6525 1980 10260 1980 4 1 0 50 0 14 16 0.0000 4 195 3600 8415 1890 Cluster Resource Manager\001 -6 6 7875 4725 9450 5130 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 9405 5085 9405 4770 7920 4770 7920 5085 9405 5085 4 1 0 50 0 14 16 0.0000 4 150 1350 8685 4995 heartbeat\001 -6 6 8730 4095 9990 4455 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 9945 4410 9945 4140 8775 4140 8775 4410 9945 4410 4 1 0 50 0 14 14 0.0000 4 180 1080 9360 4320 Messaging\001 -6 6 7200 3825 8640 4680 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 8595 4635 8595 3870 7245 3870 7245 4635 8595 4635 4 1 0 50 0 14 14 0.0000 4 120 1080 7920 4050 Concensus\001 4 1 0 50 0 14 14 0.0000 4 135 840 7920 4305 Cluster\001 4 1 0 50 0 14 14 0.0000 4 180 1200 7920 4560 Membership\001 -6 6 12465 1575 13815 2340 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 13770 2295 13770 1800 12690 1800 12690 2295 13770 2295 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 13680 2205 12600 2205 12600 1710 13680 1710 13680 2205 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 13590 2115 12510 2115 12510 1620 13590 1620 13590 2115 4 1 0 50 0 14 14 0.0000 4 120 360 13185 2025 RAs\001 -6 6 17325 1530 21150 1935 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 21105 1890 21105 1575 17370 1575 17370 1890 21105 1890 4 1 0 50 0 14 16 0.0000 4 195 3600 19260 1800 Cluster Resource Manager\001 -6 6 18720 4635 20295 5040 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 20250 4995 20250 4680 18765 4680 18765 4995 20250 4995 4 1 0 50 0 14 16 0.0000 4 150 1350 19530 4905 heartbeat\001 -6 6 19575 4005 20835 4365 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 20790 4320 20790 4050 19620 4050 19620 4320 20790 4320 4 1 0 50 0 14 14 0.0000 4 180 1080 20205 4230 Messaging\001 -6 6 18045 3735 19485 4590 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 19440 4545 19440 3780 18090 3780 18090 4545 19440 4545 4 1 0 50 0 14 14 0.0000 4 120 1080 18765 3960 Concensus\001 4 1 0 50 0 14 14 0.0000 4 135 840 18765 4215 Cluster\001 4 1 0 50 0 14 14 0.0000 4 180 1200 18765 4470 Membership\001 -6 6 18315 2115 19845 2970 6 18405 2205 19755 2880 4 1 0 50 0 14 14 0.0000 4 135 840 19080 2340 Cluster\001 4 1 0 50 0 14 14 0.0000 4 135 1320 19080 2595 Information\001 4 1 0 50 0 14 14 0.0000 4 120 480 19080 2850 Base\001 -6 6 18315 2115 19845 2970 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 19800 2925 19800 2160 18360 2160 18360 2925 19800 2925 -6 -6 6 6750 8370 8010 9090 4 1 0 50 0 14 14 0.0000 4 120 1080 7380 8505 Concensus\001 4 1 0 50 0 14 14 0.0000 4 135 840 7380 8760 Cluster\001 4 1 0 50 0 14 14 0.0000 4 180 1200 7380 9015 Membership\001 -6 6 6300 9945 7830 10800 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 6345 9990 6345 10755 7785 10755 7785 9990 6345 9990 -6 6 6390 10035 7740 10710 4 1 0 50 0 14 14 0.0000 4 135 840 7065 10170 Cluster\001 4 1 0 50 0 14 14 0.0000 4 135 1320 7065 10425 Information\001 4 1 0 50 0 14 14 0.0000 4 120 480 7065 10680 Base\001 -6 6 3240 1755 4905 2250 2 4 0 2 0 7 50 0 -1 6.000 0 0 15 0 0 5 4859 2222 4859 1783 3286 1783 3286 2222 4859 2222 4 1 0 50 0 14 14 0.0000 4 135 1320 4095 1980 Executioner\001 4 1 0 50 0 12 14 0.0000 4 165 1080 4095 2160 (STONITH)\001 -6 6 14085 1710 15750 2205 2 4 0 2 0 7 50 0 -1 6.000 0 0 15 0 0 5 15704 2177 15704 1738 14131 1738 14131 2177 15704 2177 4 1 0 50 0 14 14 0.0000 4 135 1320 14940 1935 Executioner\001 4 1 0 50 0 12 14 0.0000 4 165 1080 14940 2115 (STONITH)\001 -6 6 10485 10710 12150 11205 2 4 0 2 0 7 50 0 -1 6.000 0 0 15 0 0 5 12104 11177 12104 10738 10531 10738 10531 11177 12104 11177 4 1 0 50 0 14 14 0.0000 4 135 1320 11340 10935 Executioner\001 4 1 0 50 0 12 14 0.0000 4 165 1080 11340 11115 (STONITH)\001 -6 6 15300 4320 17415 4995 2 2 3 2 1 7 50 0 -1 6.000 0 0 -1 0 0 5 15345 4365 17370 4365 17370 4950 15345 4950 15345 4365 4 1 1 50 0 14 16 0.0000 4 150 1950 16380 4590 Adminstrative\001 4 1 1 50 0 14 16 0.0000 4 180 1050 16380 4875 request\001 -6 2 1 0 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 1350 6300 21600 6300 2 1 1 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 1845 6795 21780 6795 2 1 1 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 8775 6795 8775 5085 2 1 1 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 19755 4995 19755 6795 2 1 0 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 19350 6255 19350 4995 2 1 0 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 8415 6300 8415 5085 2 1 1 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 6750 7920 6750 6795 2 1 0 4 0 7 50 0 -1 10.000 0 0 -1 0 0 2 6390 7920 6390 6300 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 5040 3195 5040 2880 1575 2880 1575 3195 5040 3195 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 2430 2880 2430 2385 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 5130 1620 5130 3285 1485 3285 1485 1620 5130 1620 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 10710 3465 10710 1530 6165 1530 6165 3465 10710 3465 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 10035 5175 10035 3780 7155 3780 7155 5175 10035 5175 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 15885 3105 15885 2790 12420 2790 12420 3105 15885 3105 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 13275 2790 13275 2295 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 14850 2790 14850 2160 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 15975 1530 15975 3195 12330 3195 12330 1530 15975 1530 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 20880 5085 20880 3690 18000 3690 18000 5085 20880 5085 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 21195 3015 21195 1485 17280 1485 17280 3015 21195 3015 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 21375 5220 21375 900 12150 900 12150 5220 21375 5220 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 10260 9810 10260 10125 13725 10125 13725 9810 10260 9810 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 12870 10125 12870 10620 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 10170 11385 10170 9720 13815 9720 13815 11385 10170 11385 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 5265 7830 5265 9225 8145 9225 8145 7830 5265 7830 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 5355 8595 5355 8865 6525 8865 6525 8595 5355 8595 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 5895 7920 5895 8235 7380 8235 7380 7920 5895 7920 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 6705 8370 6705 9135 8055 9135 8055 8370 6705 8370 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 4725 7650 4725 11970 13950 11970 13950 7650 4725 7650 2 4 0 2 0 7 50 0 -1 0.000 0 0 11 0 0 5 5040 11025 5040 11340 8775 11340 8775 11025 5040 11025 2 4 2 3 0 7 50 0 -1 2.000 0 0 11 0 0 5 4950 11430 4950 9900 8865 9900 8865 11430 4950 11430 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 11295 10125 11295 10755 2 4 0 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 12375 10620 12375 11115 13455 11115 13455 10620 12375 10620 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 12465 10710 13545 10710 13545 11205 12465 11205 12465 10710 2 4 1 2 0 7 50 0 -1 6.000 0 0 11 0 0 5 12555 10800 13635 10800 13635 11295 12555 11295 12555 10800 2 1 1 2 0 7 50 0 -1 6.000 0 0 11 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 4095 2925 4095 2295 2 2 3 2 1 7 50 0 -1 6.000 0 0 -1 0 0 5 12735 4185 14985 4185 14985 4815 12735 4815 12735 4185 2 4 2 3 2 7 50 0 -1 2.000 0 0 11 0 0 5 10935 5445 1305 5445 1305 855 10935 855 10935 5445 3 2 1 2 4 7 50 0 -1 6.000 0 1 1 3 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 7740 3150 14355 3780 18360 2790 0.000 -1.000 0.000 3 2 1 2 4 7 50 0 -1 6.000 0 1 0 2 1 1 1.00 120.00 150.00 10620 2745 12420 2970 0.000 0.000 3 2 1 2 4 7 50 0 -1 6.000 0 1 0 2 1 1 1.00 120.00 150.00 10125 2880 11250 9810 0.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 7245 4365 5535 3375 6525 1845 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 5040 3060 6300 2925 0.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 7245 4275 6930 4005 6930 3330 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 6975 2565 7740 2340 8325 2565 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 8325 2565 9000 2340 9765 2565 0.000 -1.000 0.000 3 2 1 2 4 7 50 0 -1 6.000 0 1 0 4 1 1 1.00 120.00 150.00 10035 2565 9450 2115 6480 2205 4905 2880 0.000 -1.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 18090 4275 16380 3285 17370 1755 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 15885 2970 18315 2565 0.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 18090 4185 17820 3645 18405 2925 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 8055 8640 9765 9630 8775 11160 0.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 1 2 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 10260 9945 7830 10350 0.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 8055 8730 8370 9000 7740 9990 0.000 -1.000 0.000 3 2 1 2 4 7 50 0 -1 6.000 0 1 0 5 1 1 1.00 120.00 150.00 6345 10575 3330 9765 2610 6165 3780 4095 6300 3060 0.000 -1.000 -1.000 -1.000 0.000 3 2 1 2 4 7 50 0 -1 6.000 0 0 1 5 1 1 1.00 120.00 150.00 6300 10305 4095 8460 3420 5850 4635 3825 6300 3195 0.000 -1.000 -1.000 -1.000 0.000 3 2 1 2 0 7 50 0 -1 6.000 0 1 0 3 1 1 1.00 120.00 150.00 8055 2610 7785 2475 7380 2565 0.000 -1.000 0.000 3 2 3 2 1 7 50 0 -1 6.000 0 1 0 4 1 1 1.00 120.00 150.00 16650 4365 17730 1755 13050 1350 10260 1800 0.000 -1.000 -1.000 0.000 3 2 3 2 1 7 50 0 -1 6.000 0 1 1 3 1 1 1.00 120.00 150.00 1 1 1.00 120.00 150.00 14940 4185 17730 1800 18810 2160 0.000 -1.000 0.000 4 1 0 50 0 14 16 0.0000 4 195 3300 3330 3105 Local Resource Manager\001 4 1 0 50 0 14 14 0.0000 4 120 720 5625 4050 Events\001 4 1 0 50 0 14 18 0.0000 4 240 4455 5850 1125 Designated Coordinator Node\001 4 1 0 50 0 14 16 0.0000 4 195 3300 14175 3015 Local Resource Manager\001 4 1 0 50 0 14 14 0.0000 4 120 720 16470 3960 Events\001 4 1 0 50 0 14 18 0.0000 4 240 5280 16650 1215 Any client node in the partition\001 4 1 0 50 0 14 14 0.0000 4 120 720 9675 8955 Events\001 4 1 0 50 0 14 16 0.0000 4 150 1350 6660 8145 heartbeat\001 4 1 0 50 0 14 14 0.0000 4 180 1080 5940 8775 Messaging\001 4 1 0 50 0 14 16 0.0000 4 195 3600 6885 11250 Cluster Resource Manager\001 4 1 0 50 0 14 16 0.0000 4 195 3300 12015 10035 Local Resource Manager\001 4 1 0 50 0 14 14 0.0000 4 120 360 13050 11025 RAs\001 4 1 0 50 0 14 18 0.0000 4 240 5280 9495 11700 Any client node in the partition\001 4 2 4 50 0 12 14 0.0000 4 120 720 2970 4920 status\001 4 2 4 50 0 12 14 0.0000 4 120 840 3105 4680 Gathers\001 4 0 4 50 0 12 14 0.0000 4 135 3000 10665 5940 Instructs and coordinates\001 4 0 4 50 0 12 14 0.0000 4 165 1200 3825 4905 Replicates\001 4 0 4 50 0 12 14 0.0000 4 165 1560 3735 5130 configuration\001 4 1 1 50 0 14 16 0.0000 4 150 1950 13860 4410 Adminstrative\001 4 1 1 50 0 14 16 0.0000 4 195 2100 13860 4695 status inquiry\001 pacemaker-master/doc/crm.txt000066400000000000000000000774261217637305600164200ustar00rootroot00000000000000DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! NOTICE: Some ideas in this paper aren't yet well sorted. Some ideas aren't complete. Some phrasings I'm myself not happy with yet. Some ideas need further explanation. Most of the ideas presented are not final yet. It is mostly a braindump. And did I say yet that this is still a DRAFT!!!!!! ? Title: Design of a Cluster Resource Manager Revision: $Id: crm.txt,v 1.2 2003/12/01 14:10:14 lars Exp $ Author: Lars Marowsky-Bre Acknowledgements: Andrew Beekhof Luis Claudio R. Goncalves Fbio Oliv Leite Alan Robertson XX. Global TODO for this document In this section I keep track of tasks which I still want to perform on this document; probably of little interest to anyone else, and this section should be gone in the final version ;-) - Break out major parts (CIB, Policy Engine etc) into their own documents. - Add references to sub-features used and do not replicate too much information here. References should take the form of the feature id from the feature list. - Ensure unified use of words and terms when referring to the components. - Convert to docbook (not pressing) 0. Abstract This paper outlines the design of a clustered recovery/resource manager to be running on top of and enhancing the Open Clustering Framework (OCF) infrastructure provided by heartbeat. The goal is to allow flexible resource allocation and globally ordered actions in a cluster of N nodes and dynamic reallocation of resources in case of failures (ie, "fail-over") or administrative changes to the cluster ("switch-over"). This new Cluster Resource Manager is intended to be a replacement for the currently used "resource manager" of heartbeat. 1. Introduction 1.1. Requirements overview The CRM needs to provide the following functionality: - Secure. - Simple. heartbeat already provides these two properties; by no means may the new resource manager be more insecure. For sanity and stability - both of the developers, but in particular the users -, complexity needs to be kept at a minimum (but no simpler). - Support for more than 2 nodes. - Fault tolerant. (Failures can be node, network or resource failures.) - Ability to deal with complex policies for resource allocation and dependencies. Examples: - Support for globally ordered starting order, - Support for feedback in the allocation process to better support replicated resources, - Negated dependencies etc - Ability to make administrative requests for resource migration, adding new resources, removing resources et cetera while online. - Extensible framework. 1.2. Scenario description The design outlined in this document is aimed at a cluster with the following properties; some of them will be further specified later. - The cluster provides a Concensus Membership Layer, as outlined in the OCF documents and provided by the CCM implementation by Ram Pai. (This provides all nodes in a partition with a common and agreed upon view of cluster membership, which tries to compute the largest set of fully connected nodes.) - It is possible for the nodes in a given partition to order all nodes in the partition in the same way, without the need for a distributed decision. This can be either achieved by having the membership be returned in the same order on all nodes, or by attaching a distinguishing attribute to each node. - The cluster provides a communication mechanism for unicast as well as broadcast messaging. Messages don't necessarily satisfy any special ordering, but they are atomic. - Byzantine failures are rare and self-contained. Stable storage is stable and not otherwise corrupted; network packets aren't spuriously generated etc. These errors are self-contained to the respective components which take appropriate precautions to prevent them from propagating upwards. (Checksums, authentication, error recovery or fail-fast) - Time is synchronized cluster-wide. Even in the face of a network partition, an upper bound for time diversion can be safely assumed. This can be virtually guaranteed by running NTP across all nodes in the cluster. - An IO fencing mechanism is available in the cluster. The fencing mechanism provides definitive feedback on whether a given fencing request succeeded or not. - A node knows which resources itself currently holds and their state (running / failed / stopped); it can provide this information if queried and will inform the CRM of state changes. (This part will be provided by the Local Resource Manager.) 2.1. Basic algorithm The basic algorithm can be summarized as follows: a) Every partition elects a "Designated Coordinator"; this node will activate special logic to coordinate the recovery and administrative actions on all nodes in the cluster. a.1) The DC has the full state of the cluster available (or is able to retrieve it), as well as an uptodate copy of the administrative policies, information about fenced nodes etc; this shall further be referred to as "Cluster Information Base". b) Whenever a cluster event occurs, be it an adminstrative request, a node failure by membership services or a resource failure reported by a participating LRM, it is forwarded to the "Designated Coordinator". b1) For administrative requests, the DC arbitates whether or not they will be accepted into the CIB and serializes these updates. ie, policy changes which cannot be satisfied or would lead to an inconsistent state of the cluster will be rejected (unless explicitly overridden). c) It then computes via the Policy Engine: c.1) the new CIB c.2) The Transition Graph, an dependency-ordered graph of the actions necessary to go from the current cluster state as close as possible to the cluster state described by the CIB. d) Leading the transition to the target state: d1) Replicating the new CIB to all clients. d2) Executing each step of the transition graph in dependency order. (Potentially parallelized.) e) Exception handling if _any_ event or failure occurs: e1) The algorithm is aborted cleanly; pending operations are allowed to finish, but no new commands are issued to clients (in particular during phase d2) e2) The algorithm is invoked again from scratch. (It is obvious that there is room for optimization here by only recomputing smaller parts of the dependency tree or not broadcasting the full CIB every time, in particular if the DC has not been re-elected. However, these complicate the implementation and are not necessary for the first phase.) 2.2) Feature analysis This meets the requirements listed as follows: - It is reasonably simple to have a policy engine capable of dealing with more than two nodes as distributed decisions are avoided as far as possible; only a single node leads the transition and coordinates participating nodes. Local nodes are only required to know their own state; whenever the coordinator fails, the necessary state can simply be reconstructed by the DC. - An event can be anything from a failed node or a request to add a new policy rule (ie, a new resource, a change to an allocation policy etc); this satisfies the requirement to deal with adminstrative requests at runtime. - Support for new kinds of policies, types of resources, ... can be added via the policy engine. - The modular design keeps complexity in any single component down. 2.3. Stability of the algorithm This algorithm will eventually converge if no new events occur for a sufficiently long period of time. TODO: Add a discussion on factors affecting stability or kill the section entirely. 2.4. Components This approach neatly divides the task into various components: (see crm-flowchart.fig!) - Cluster infrastructure - heartbeat - Concensus Cluster Membership - Messaging - Cluster Resource Manager - Policy Engine - Cluster Information Base - Transitioner - Local Resource Manager - Executioner - Resource Agents 3. Local Resource Manager Note: This section only documents the requirements on the LRM from the point of view of the cluster-wide resource management. For a more detailled explanation, see the documentation by lclaudio. [ TODO: Add reference to lclaudio's document as soon as available ] This component knows which resources the node currently holds, their status (running, running/failed, stopping, stopped, stopped/failed, etc) and can provide this information to the CRM. It can start, restart and stop resources on demand. It can provide the CRM with a list of supported resource types. It will initiate any recovery action which is applicable and limitted to the local node and escalate all other events to the CRM. Any correct node in the cluster is running this service. Any node which fails to run this service will be evicted and fenced. It has access to the CIB for the resource parameters when starting a resource. NOTE: Because it might be necessary for the success of the monitoring operation that it is invoked with the same instance parameters as the resource was started with, it needs to keep a copy of that data, because the CIB might change at runtime. 4. Cluster Resource Manager The CRM coordinates all non-local interactions in the cluster. It interacts with: - The membership layer - The local resource managers - non-local CRMs - Administrative commands - Fencing functionality Only one node is running the "Designated Coordinator" CRM at any given time in any given partition. All other nodes forward their input to this node only, and will relay its decisions to the local LRM. The coordinator is a "primus inter pares"; in theory, any CRM can act in this fashion, but the arbitation algorithm will distinguish a designated node. 4.1. How to deal with failure of the designated CRM There are two major groups of failures here; if the entire node running the CRM fails, the underlaying membership algorithm shall take care of this. If the CRM logic fails, this shall be detected by internal consistency checks and local heartbeating to apphbd must stop immediately, effectively committing 'suicide' and providing a failfast mechanism. However, for now we will assume that the CRM does not fail. Coping with internal failures internally is always difficult. This can later be enhanced by providing 'peer monitoring' of the CRMs among eachother and initiating fencing if necessary; however this has many pitfalls and is not inherently better. 4.2. Election algorithm for the DC The election algorithm exploits the fact that there is a global ordering of the nodes in a given partition; it will simply select the first one. The node will know that it has been "distinguished" and take control. As the first action in the algorithm is to collect the status from all nodes, this will inform any node about the newly elected leader. Should any of them have been a DC until the new membership (in the case of cluster partitionings healing), he will cease operation and handover control in an orderly fashion. 4.3. Consistency audits The DC can perform a variety of consistency checks: - Exclusive allocation of resources - All nodes have the necessary Resource Agents for the resources which might be running on them - Adminstrative requests (ie, rule additions) can be rejected if it would prevent the policy engine from computing a valid target state Implementing any of the audits is optional. 4.4. Communication between the CRM and LRM - Every resource in the system is clearly identified in the CIB via a "UUID". This is the key passed around between CRM/LRM. (This avoids issues like with FailSafe, which used a "resource name / type" combination as the key; however, this made it very difficult to have, for example, two filesystems mounted at /usr/sap - production system and the test system - , because that is a key-clash. It is however a perfectly legal combination, as long as the resources are not activated on the same node; which can however be avoided by an appropriate negative dependency. Combined with "resource priority", the higher priority production system will push off the lower-priority test system and operation will continue) TODO: Protocol and channel need to be decided; based on the heartbeat IPC layer, wrapper library so they don't have to know all the gory details. AI lclaudio 4.4. Executing the Transition Graph It is also the task of the DC to execute the computed dependency graph. The graph will be traversed and evaluated in dependency-compliant order. Every node in the graph corresponds to a single action; the links between them correspond to the dependencies. Only nodes for which all dependencies have been satisfied will be executed; the CRM is allowed to parallelize these however. If a task cannot be successfully evaluated and has to be ultimately considered failed, this will be treated as a hard barrier - all currently pending tasks will run to completion, appropriate constraints added to the CIB (ie, "resource X cannot start on node N1", for example) and the graph execution will be aborted with a failure; this will escalate the recovery back to the higher level again. (ie, trigger a rerun of the recovery algorithm) TODO: This needs more thought. Especially the failure paths could simply be treated just as normal nodes in the graph, simplifying the logic here; and for some tasks where re-running the recovery algorithm is pointless, the Policy Engine could precompute alternate actions (like marking the resource hierarchy failed from that node upwards etc). Could be a possible future extension not implemented in v1.0. TODO: A pure dependency graph as outlined doesn't easily allow to express "OR" conditions, but only "AND". "OR" conditions might be helpful if a node could be fenced via multiple mechanisms, and if each one should be tried in order as a fallback; this could be implemented by allowing a node in the graph to be a _list_ of actions to be tried in order. 5. Cluster Information Base The CIB is also running on every node in the cluster. In essence, it provides a distributed database with weak transactional semantics, exploiting the fact that all updates are serialized by the DC and that each node itself knows its own latest status. 5.1. Contents of the CIB The CIB is divided into two major parts; the "configuration" data and the "runtime" data. a) The configuration part of the database is setup by the administrator. The configuration present on any given node is appropriately versioned; a combination of timestamps and generation counter seems sensible. Thus the most recent version available in a partition can always be clearly identified and selected. - Configured resources - Resource identifier - Resource instance parameters - Special node attributes - Administrative policies - Resource placement constraints - Resource dependencies b) Runtime information This includes: - Information about the currently participating nodes in the partition. - Resource Agents present on each node - Resources active on the node and their status - Operational status of the node itself - Fencing data - results: the timestamped result of a fencing request. - metadata: each nodes contributes the list of fencing devices available to it. TODO: Maybe this is part of the "static" configuration data? - Dynamic administrative policies and constraints: - Temporary constraints to deny placing a resource on a node, ie in response to failures etc. - Resource migration requests by the administrator. (These might be ignored by the policy engine if otherwise a consistent state cannot be computed or because they have a limitted life time, for example "until the node has booted again") The runtime data can be constructed by merging all available data in the partition by exploiting that every node holds authoritive data on itself. 5.2. Process of generating an uptodate CIB If necessary, the DC will retrieve the CIB from each node and compute the uptodate CIB from this data and broadcast the result to all nodes. The algorithm for merging the CIBs is rather straightforward: - Select the most recent configuration from all nodes. Note that this relies on the fact that an adminstrator has the wits to not force incompatible changes to separate cluster partitions; if he does, some configuration changes might be lost (or rather, overridden by the others), but that is a classical PEBKAC anyway. More complex merging algorithms could always be devised later for this step; the straightforward approach is to complain loudly about this problem as it can be clearly detected, and to also try to reject configuration changes in a degraded cluster unless forced. If any node in the cluster has a valid copy of the configuration, the cluster will be able to proceed. The case where this is not true is very unlikely; it requires at least a double failure to occur. The worstcase in this scenario is that some configuration changes might be reverted. - Merge the runtime data. - A node present in the partition is assumed to always have authoritive data on itself, its current status, resources it helds etc. This overrides any other data about it from other nodes. ("Normative power of facts" as opposed to rumours) - For nodes not present in the partition, their latest status can be identified from the partial information present on other nodes because it is timestamped. ie, it is possible to say whether they were cleanly shutdown, whether they have already been fenced cleanly or whether a fencing attempt has failed etc. - Update timestamps and generation counters as appropriate. - Commit locally and broadcast. 5.3. How are updates to the CIB handled? Any updates to the configuration will be serialized by the DC; they will be verified, committed to its own CIB and also broadcast to all nodes in the partition as an incremental update. Any updates pertaining to the runtime portion of the CIB can simply be broadcast to all nodes; the DC will receive them too, and all other nodes can save them for further reference so they will be available if the (new) DC needs to compute a new CIB. 6. Policy Engine 6.1. Functionality provided Even if only simple dependencies are supported at first (of the first two types, probably) which is straightforward to implement, the model can be easily extended. 6.1.1. Required constraints - To be started on the same node as resX after resX - To only be started on a node from the set {A, B, C} 6.1.2. Future extensions - To be started after resX, but without tieing them both to a given node, ie providing globally order - To NOT be run on the same node as resX (or generically, negated constraints) - To only be placed on a node with the attribute FOO (for example, connected to the FC-AL rack, or with at least XX mb of memory and others) 6.2. Thoughts about algorithm implementation The process of arriving at a target state / transition graph for the cluster from the set of rules and the current cluster state (basically, all information in the CIB is available) can be implemented by a "constraint solver". - Analyse dependency graph in the configuration; - Compute eligible nodes for each subtree (intersection of nodes configured for resources within a dependency subtree) - Order eligible nodes by priority, stickiness etc and select target node - All other eligible nodes either have to be part of the partition or must be fenced successfully. ... TODO: UNFINISHED TODO: Alternate implementation: Steal Finite Domain solver from GNU Prolog; steal constraint solver from http://www.cs.washington.edu/research/constraints/cassowary/ etc would allow policies to be expressed as intuitive constraints. Rather cool indeed. Evaluation. 6.4. Design considerations The following part should answer the most common questions regarding this approach: 6.4.1. Whether to deal with resource groups or "only" resources and dependencies? At the first glance, resource groups a la FailSafe are a welcome simplification. They can be treated as atomic units, resource allocation policy seems to become simpler, the CRM wouldn't even have to know about resources but simply allocate/reallocate resource groups. It seems natural to group resources in this fashion; all related resources are put into a resource group and done. However, it is also limitting. Resource groups become awkward if they stop being a logical mapping between resource and provided service; for example, the natural answer is to throw everything which should be running on a single node into a single resource group. If this becomes unnecessary later, resource group splitting is difficult. (Same for merging) Dependencies which spawn resource groups are also commonly requested; ie, a resource group should not run on the same node as a given other one. They are also cumbersome if one has to have a resource group for _everything_, even if it might only be a single resource or two. Then the abstraction gains little. Some decisions also spawn the boundary between single resources and resource groups, in which case the CRM has to know about both again. For example, the allocation policy of a resource group must be in line with how each resource itself can be allocated. In short, resource groups seem to fall short of easing bigger clusters and also lack some flexibility which can only be added at the expense of complexity. It seems more natural to me (by now) to only deal with resources and dependencies between them and to external constraints. I believe that in the end, both are just mindsets and that none is inherently harder to understand than the other, just one which is cleaner to implement. A very important point to keep in mind is that this document reflects the _internal_ representation of the configuration. An appropriate configuration wizard could (reasonably easily, although with limited features) present the user with a 'resource group'-style frontend. 6.4.2. Why a transition graph The dependency information in the graph will allow operations to be parallelized to speed up recovery. (All operations for which all requirements are satisfied can be carried out in parallel.) The graph is "global" (by virtue of being centralized at the DC) and thus even allows the possibility of "barriers"; ie, starting a resource only if a resource has been started on another node. 6.4.3. Who orders resource operations on a single node The LRM does not have enough information to order resource operations (start, stop etc) even for the local node, because it might - in theory - depend on non-local actions (resource operations, fencing etc). Only the transition graph as constructed by the DC contains such information. A possible optimisation here is that the DC transmits all operations which do not depend on external events as a single block to a given node, which can then proceed accordingly. Initially, just issueing the actions one by one shall suffice. 7. Executioner 7.1. Integration The Executioner is responsible for the fencing of nodes on request. It is a local component on each node and knows which fencing devices are available to it. This information is contributed to the CIB. On request of the CRM (relayed from the DC), it will carry out a fencing attempt and report the status back. The CRM might of course try to fence a given node from multiple nodes until one succeeds. See "executioner.txt" for details. 7.2. Fencing algorithm At the start of the recovery process, the CRM shall verify the list of devices reachable by each node; this shall be done as part of querying the current CIB from them. It will then retrieve the list of nodes fenceable via each device. If this list has already been retrieved in the past, it may be reused from cache appropriately. (Reloaded only when new nodes get added to the cluster, or something) For nodes which need to be fenced, appropriate dependencies will need to be added to the transition graph. These shall ensure that any given device is not concurrently accessed, and that fencing requests are appropriately retried on other devices if available. THOUGHT: Adding "meatware" as a ultima ratio fallback fencing would allow disaster resilient setups; if the one site failed completely, the administrator could flip the switch and the transition graph would proceed. This would neatly address this part of the requirements list. 7.3. Un-fencing Aborting an on-going fencing / STONITH operation is not supported. 7.3.1. After a successful fencing Okay, so a node has been fenced. How does it properly rejoin the cluster? For example, a node n1 can notice an unclean shutdown at startup, and must assume it has been STONITHed (in particular, if uptime very low ;-). When can it clear this flag and initiate recovery / startup actions on its own? The answer seems to relate to the "thought" under 6.2.; when is recovery action initiated for a resource group anyway. An additional option "Proceed if more than 50% of the nodes for the resource group are in our partition; if it is a tie, do not proceed to initiate recovery if the 'unclean' flag is set on any node." (This moves the unclean flag into the runtime portion of the CIB) The flag can be cleared once majority for all resources has been reached again. 7.3.2. Rejoining node while fencing requests are still pending Answer: Running fencing requests can not be aborted. In this rather unfortunate case, the node will most likely disappear soon because of the fencing request. Provisions might be made to consider this node as "down" already, to prevent resource pingpong. TODO: Ok, so n1 tried to fence n2 and vice-versa because of a partition, they failed via the STONITH device and have fallen back to meatware. The partition resolves. Shouldn't the system try to abort the meatware request? Maybe a special case for "meatware" requests? Or should meatware just notice this? 7.3.3. Rejoining node for which fencing has ultimately failed in the past Two options are basically possible; if a node has rejoined the cluster, the "fencing failed" flag could be cleared for it, and the cluster could proceed as normal. (This seems sensible) The other option would be to request the node to commit suicide. Again, this is difficult in the case of a resolving cluster partition; both sides would commit suicide. This doesn't seem sensible. If the failure was due to a local hang - ie, scheduler bug, power management running wild etc - this shall be considered outside the scope of this discussion. The local health monitoring on such a node shall be responsible for containing such failures and reacting to it appropriately. 8. Interaction with quorum TODO: Highly unfinished! Summary: CRM does not need quorum. However, the CRM could easily compute 'quorum' as just another resource. "Quorum" is in fact not necessary for this design. It is implicit in the policy engine / CRM which will only bring a resources for which all dependencies - including fencing - have been satisfied. This in fact is quorum with slightly finer granularity. It allows the cluster to proceed in a scenario like: - {a,b,c,d} form a cluster. {a,b} share resources (called R1) and {c,d} share resources (called R2). If the cluster is partitioned int {a,b} and {c,d}, no fencing has to carried out; cluster operation can proceed as normal. Of course, as soon as a global resource spawning {a,b,c,d} is added, this in fact translates to "global quorum". This makes me think that if global quorum is in fact required it can be best expressed in this design by mapping it to such a global ('configured on all nodes') resource and communicating to the partition that it has quorum if it was able to recover this resource (or failed to recover it, that is). However, it also allows for "sub-quorum"; ie, given the example of an application requiring quorum to operate, it will usually only be interested in quorum of the _nodes eligible for the related resources_. So quorum could potentially be different if reported to different clients... 8.1. Issues wrt quorum TODO: Certainly ;-) 10. Integration with other projects 10.1. Integration with heartbeat TODO: Elaborate. This component is supposed to replace the "resource manager" present in heartbeat currently. Issues which need to be addressed / kept in mind: - Start order; heartbeat should only join the cluster if the startup of CRM is successfully completed locally. - CRM makes extensive use of heartbeat's libraries (IPC, HBcomm, STONITH, PILS etc). ... 10.2. Integration with CCM TODO: Elaborate, if necessary. CRM is a client of CCM; CCM provides the set of nodes in the partition, CRM only operates on this data. It would be nice if CCM enforced policy before allowing a node to join a partition; ie, time not vastly desynchronized, CRM/LRM etc running and other ideas come to mind. 10.3. Integration with Group Services Should Group Services functionality - in particular, group messaging - be available one day, the exact semantics will of course have to be taken into account. The obvious simplification possible with this component would be that the CRM could form a distributed process group in the cluster; instead of building on top of node messaging primitives and filtering these. 10.4. Integration with non-heartbeat clusters In theory, the software should be able to run in any "compliant" environment; I'd safely assume that it should be reasonably easy to port on top of the Compaq CI, for example, or any Service-Availability Forum AIS. This would complement the respective feature lists as well as demonstrate that such interoperability is in fact possible, providing great leverage for OCF! TODO: Keep that in mind while designing the code. Encapsulate interactions with the lower levels cleanly. 10.5. Integration with cluster-aware applications Software like cluster-aware volume managers, filesystems or distributed applications (databases) need to be integrated into the 'recovery' tree just like Resource Agent based ones. This should be reasonably simple - because it is a matter of inserting the necessary trigger in the right order into the transition graph -, but these clients need to be aware that they don't need to provide any fencing themselves etc, because the external framework has already taken care of this. 10.6. Relation to OCF All applicable OCF specifications shall be implemented. Areas which OCF does not specify yet shall be implemented as prototypes, hopefully serving as a basis for OCF discussion. 11. Monitoring 11.1. Integration with health monitoring Health monitoring should prevent startup of cluster software on a "sick" node. ("Hey, I've rebooted 12 times within the last 60 minutes, maybe bringing the cluster software online wouldn't be so smart!") Should be handled by Local Resource Manager? Health monitoring can send events to DC: - I'm about to crash, migrate everything while you can - I'm overloaded, please migrate some resources if possible etc 11.2. Monitoring the CRM Monitoring software can query CIB to get access to all data. TODO: Should traps/events be triggered from inside the different components themselves, or might it be a good idea to allow clients to "subscribe" to certain parts of the CIB and be notified if a change occurs? This would be helpful for SNMP/CIM traps. (The later would be somewhat alike FailSafe's cdbd) XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX Attention: Here be dragons. Anything following these lines are unordered thoughts which haven't yet been incorporated into the grand scheme of things. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX X. ... Question: Why isn't moving a resource to another node an basic operation? Answer: Because it involves more than one node and needs to be coordinated by the designated CRM. Question: How can this deal with disaster resilient setups, where one site may be physical separate and fencing the other side is not possible? Answer: See the "note" under "Hangman". pacemaker-master/doc/crm_fencing.txt000066400000000000000000000413221217637305600200730ustar00rootroot00000000000000Fencing and Stonith =================== Dejan_Muhamedagic v0.9 Fencing is a very important concept in computer clusters for HA (High Availability). Unfortunately, given that fencing does not offer a visible service to users, it is often neglected. Fencing may be defined as a method to bring an HA cluster to a known state. But, what is a "cluster state" after all? To answer that question we have to see what is in the cluster. == Introduction to HA clusters Any computer cluster may be loosely defined as a collection of cooperating computers or nodes. Nodes talk to each other over communication channels, which are typically standard network connections, such as Ethernet. The main purpose of an HA cluster is to manage user services. Typical examples of user services are an Apache web server or, say, a MySQL database. From the user's point of view, the services do some specific and hopefully useful work when ordered to do so. To the cluster, however, they are just things which may be started or stopped. This distinction is important, because the nature of the service is irrelevant to the cluster. In the cluster lingo, the user services are known as resources. Every resource has a state attached, for instance: "resource r1 is started on node1". In an HA cluster, such state implies that "resource r1 is stopped on all nodes but node1", because an HA cluster must make sure that every resource may be started on at most one node. A collection of resource states and node states is the cluster state. Every node must report every change that happens to resources. This may happen only for the running resources, because a node should not start resources unless told so by somebody. That somebody is the Cluster Resource Manager (CRM) in our case. So far so good. But what if, for whatever reason, we cannot establish with certainty a state of some node or resource? This is where fencing comes in. With fencing, even when the cluster doesn't know what is happening on some node, we can make sure that that node doesn't run any or certain important resources. If you wonder how this can happen, there may be many risks involved with computing: reckless people, power outages, natural disasters, rodents, thieves, software bugs, just to name a few. We are sure that at least a few times your computer failed unpredictably. == Fencing There are two kinds of fencing: resource level and node level. Using the resource level fencing the cluster can make sure that a node cannot access one or more resources. One typical example is a SAN, where a fencing operation changes rules on a SAN switch to deny access from a node. The resource level fencing may be achieved using normal resources on which the resource we want to protect would depend. Such a resource would simply refuse to start on this node and therefore resources which depend on it will be unrunnable on the same node as well. The node level fencing makes sure that a node does not run any resources at all. This is usually done in a very simple, yet brutal way: the node is simply reset using a power switch. This may ultimately be necessary because the node may not be responsive at all. The node level fencing is our primary subject below. == Node level fencing devices Before we get into the configuration details, you need to pick a fencing device for the node level fencing. There are quite a few to choose from. If you want to see the list of stonith devices which are supported just run: stonith -L Stonith devices may be classified into five categories: - UPS (Uninterruptible Power Supply) - PDU (Power Distribution Unit) - Blade power control devices - Lights-out devices - Testing devices The choice depends mainly on your budget and the kind of hardware. For instance, if you're running a cluster on a set of blades, then the power control device in the blade enclosure is the only candidate for fencing. Of course, this device must be capable of managing single blade computers. The lights-out devices (IBM RSA, HP iLO, Dell DRAC) are becoming increasingly popular and in future they may even become standard equipment of of-the-shelf computers. They are, however, inferior to UPS devices, because they share a power supply with their host (a cluster node). If a node stays without power, the device supposed to control it would be just as useless. Even though this is obvious to us, the cluster manager is not in the know and will try to fence the node in vain. This will continue forever because all other resource operations would wait for the fencing/stonith operation to succeed. The testing devices are used exclusively for testing purposes. They are usually more gentle on the hardware. Once the cluster goes into production, they must be replaced with real fencing devices. == STONITH (Shoot The Other Node In The Head) Stonith is our fencing implementation. It provides the node level fencing. .NB The stonith and fencing terms are often used interchangeably here as well as in other texts. The stonith subsystem consists of two components: - stonithd - stonith plugins === stonithd stonithd is a daemon which may be accessed by the local processes or over the network. It accepts commands which correspond to fencing operations: reset, power-off, and power-on. It may also check the status of the fencing device. stonithd runs on every node in the CRM HA cluster. The stonithd instance running on the DC node receives a fencing request from the CRM. It is up to this and other stonithd programs to carry out the desired fencing operation. === Stonith plugins For every supported fencing device there is a stonith plugin which is capable of controlling that device. A stonith plugin is the interface to the fencing device. All stonith plugins look the same to stonithd, but are quite different on the other side reflecting the nature of the fencing device. Some plugins support more than one device. A typical example is ipmilan (or external/ipmi) which implements the IPMI protocol and can control any device which supports this protocol. == CRM stonith configuration The fencing configuration consists of one or more stonith resources. A stonith resource is a resource of class stonith and it is configured just like any other resource. The list of parameters (attributes) depend on and are specific to a stonith type. Use the stonith(1) program to see the list: $ stonith -t ibmhmc -n ipaddr $ stonith -t ipmilan -n hostname ipaddr port auth priv login password reset_method .NB It is easy to guess the class of a fencing device from the set of attribute names. A short help text is also available: $ stonith -t ibmhmc -h STONITH Device: ibmhmc - IBM Hardware Management Console (HMC) Use for IBM i5, p5, pSeries and OpenPower systems managed by HMC Optional parameter name managedsyspat is white-space delimited list of patterns used to match managed system names; if last character is '*', all names that begin with the pattern are matched Optional parameter name password is password for hscroot if passwordless ssh access to HMC has NOT been setup (to do so, it is necessary to create a public/private key pair with empty passphrase - see "Configure the OpenSSH client" in the redbook for more details) For more information see http://publib-b.boulder.ibm.com/redbooks.nsf/RedbookAbstracts/SG247038.html .You just said that there is stonithd and stonith plugins. What's with these resources now? ************************** Resources of class stonith are just a representation of stonith plugins in the CIB. Well, a bit more: apart from the fencing operations, the stonith resources, just like any other, may be started and stopped and monitored. The start and stop operations are a bit of a misnomer: enable and disable would serve better, but it's too late to change that. So, these two are actually administrative operations and do not translate to any operation on the fencing device itself. Monitor, however, does translate to device status. ************************** A dummy stonith resource configuration, which may be used in some testing scenarios is very simple: configure primitive st-null stonith:null \ params hostlist="node1 node2" clone fencing st-null commit .NB ************************** All configuration examples are in the crm configuration tool syntax. To apply them, put the sample in a text file, say sample.txt and run: crm < sample.txt The configure and commit lines are omitted from further examples. ************************** An alternative configuration: primitive st-node1 stonith:null \ params hostlist="node1" primitive st-node2 stonith:null \ params hostlist="node2" location l-st-node1 st-node1 -inf: node1 location l-st-node2 st-node2 -inf: node2 This configuration is perfectly alright as far as the cluster software is concerned. The only difference to a real world configuration is that no fencing operation takes place. A more realistic, but still only for testing, is the following external/ssh configuration: primitive st-ssh stonith:external/ssh \ params hostlist="node1 node2" clone fencing st-ssh This one can also reset nodes. As you can see, this configuration is remarkably similar to the first one which features the null stonith device. .What is this clone thing? ************************** Clones are a CRM/Pacemaker feature. A clone is basically a shortcut: instead of defining _n_ identical, yet differently named resources, a single cloned resource suffices. By far the most common use of clones is with stonith resources if the stonith device is accessible from all nodes. ************************** The real device configuration is not much different, though some devices may require more attributes. For instance, an IBM RSA lights-out device might be configured like this: primitive st-ibmrsa-1 stonith:external/ibmrsa-telnet \ params nodename=node1 ipaddr=192.168.0.101 \ userid=USERID passwd=PASSW0RD primitive st-ibmrsa-2 stonith:external/ibmrsa-telnet \ params nodename=node2 ipaddr=192.168.0.102 \ userid=USERID passwd=PASSW0RD # st-ibmrsa-1 can run anywhere but on node1 location l-st-node1 st-ibmrsa-1 -inf: node1 # st-ibmrsa-2 can run anywhere but on node2 location l-st-node2 st-ibmrsa-2 -inf: node2 .Why those strange location constraints? ************************** There is always certain probability that the stonith operation is going to fail. Hence, a stonith operation on the node which is the executioner too is not reliable. If the node is reset, then it cannot send the notification about the fencing operation outcome. The only way to do that is to assume that the operation is going to succeed and send the notification beforehand. Then, if the operation fails, we are in trouble. Given all this, we decided that, by convention, stonithd refuses to kill its host. ************************** If you haven't already guessed, configuration of a UPS kind of fencing device is remarkably similar to all we have already shown. All UPS devices employ the same mechanics for fencing. What is, however, different is how the device itself is accessed. Old UPS devices, those that were considered professional, used to have just a serial port, typically connected at 1200baud using a special serial cable. Many new ones still come equipped with a serial port, but often they also sport a USB interface or an Ethernet interface. The kind of connection we may make use of depends on what the plugin supports. Let's see a few examples for the APC UPS equipment: $ stonith -t apcmaster -h STONITH Device: apcmaster - APC MasterSwitch (via telnet) NOTE: The APC MasterSwitch accepts only one (telnet) connection/session a time. When one session is active, subsequent attempts to connect to the MasterSwitch will fail. For more information see http://www.apc.com/ List of valid parameter names for apcmaster STONITH device: ipaddr login password $ stonith -t apcsmart -h STONITH Device: apcsmart - APC Smart UPS (via serial port - NOT USB!). Works with higher-end APC UPSes, like Back-UPS Pro, Smart-UPS, Matrix-UPS, etc. (Smart-UPS may have to be >= Smart-UPS 700?). See http://www.networkupstools.org/protocols/apcsmart.html for protocol compatibility details. For more information see http://www.apc.com/ List of valid parameter names for apcsmart STONITH device: ttydev hostlist The former plugin supports APC UPS with a network port and telnet protocol. The latter plugin uses the APC SMART protocol over the serial line which is supported by many different APC UPS product lines. .So, what do I use: clones, constraints, both? ************************** It depends. Depends on the nature of the fencing device. For example, if the device cannot serve more than one connection at the time, then clones won't do. Depends on how many hosts can the device manage. If it's only one, and that is always the case with lights-out devices, then again clones are right out. Depends also on the number of nodes in your cluster: the more nodes the more desirable to use clones. Finally, it is also a matter of personal preference. In short: if clones are safe to use with your configuration and if they reduce the configuration, then make cloned stonith resources. ************************** The CRM configuration is left as an exercise to the reader. == Monitoring the fencing devices Just like any other resource, the stonith class agents also support the monitor operation. Given that we have often seen monitor either not configured or configured in a wrong way, we have decided to devote a section to the matter. Monitoring stonith resources, which is actually checking status of the corresponding fencing devices, is strongly recommended. So strongly, that we should consider a configuration without it invalid. On the one hand, though an indispensable part of an HA cluster, a fencing device, being the last line of defense, is used seldom. Very seldom and preferably never. On the other, for whatever reason, the power management equipment is known to be rather fragile on the communication side. Some devices were known to give up if there was too much broadcast traffic on the wire. Some cannot handle more than ten or so connections per minute. Some get confused or depressed if two clients try to connect at the same time. Most cannot handle more than one session at the time. The bottom line: try not to exercise your fencing device too often. It may not like it. Use monitoring regularly, yet sparingly, say once every couple of hours. The probability that within those few hours there will be a need for a fencing operation and that the power switch would fail is usually low. == Odd plugins Apart from plugins which handle real devices, some stonith plugins are a bit out of line and deserve special attention. === external/kdumpcheck Sometimes, it may be important to get a kernel core dump. This plugin may be used to check if the dump is in progress. If that is the case, then it will return true, as if the node has been fenced, which is actually true given that it cannot run any resources at the time. kdumpcheck is typically used in concert with another, real, fencing device. See README_kdumpcheck.txt for more details. === external/sbd This is a self-fencing device. It reacts to a so-called "poison pill" which may be inserted into a shared disk. On shared storage connection loss, it also makes the node commit suicide. See http://www.linux-ha.org/wiki/SBD_Fencing for more details. === meatware Strange name and a simple concept. `meatware` requires help from a human to operate. Whenever invoked, `meatware` logs a CRIT severity message which should show up on the node's console. The operator should then make sure that the node is down and issue a `meatclient(8)` command to tell `meatware` that it's OK to tell the cluster that it may consider the node dead. See `README.meatware` for more information. === null This one is probably not of much importance to the general public. It is used in various testing scenarios. `null` is an imaginary device which always behaves and always claims that it has shot a node, but never does anything. Sort of a happy-go-lucky. Do not use it unless you know what you are doing. === suicide `suicide` is a software-only device, which can reboot a node it is running on. It depends on the operating system, so it should be avoided whenever possible. But it is OK on one-node clusters. `suicide` and `null` are the only exceptions to the "don't shoot my host" rule. .What about that stonithd? You forgot about it, eh? ************************** The stonithd daemon, though it is really the master of ceremony, requires no configuration itself. All configuration is stored in the CIB. ************************** == Resources http://www.linux-ha.org/wiki/STONITH http://www.clusterlabs.org/doc/crm_fencing.html http://www.clusterlabs.org/doc/en-US/Pacemaker/1.0/html/Pacemaker_Explained http://techthoughts.typepad.com/managing_computers/2007/10/split-brain-quo.html pacemaker-master/doc/executioner.txt000066400000000000000000000073621217637305600201610ustar00rootroot00000000000000DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! DRAFT! NOTICE: Some ideas in this paper aren't yet well sorted. Some ideas aren't complete. Some phrasings I'm myself not happy with yet. Some ideas need further explanation. Most of the ideas presented are not final yet. It is mostly a braindump. And did I say yet that this is still a DRAFT!!!!!! ? Title: The Executioner Author: Lars Marowsky-Bre Acknowledgements: David Brower, Oracle Alan Robertson, IBM 1. Summary Every node runs an instance of the fencing daemon ("executioner"). This daemon knows which fencing devices are currently reachable and which nodes can be fenced by them - ie, the current topology of the fencing mechanisms - and will execute such requests on behalf of the CRM and report success or failure. A succesful fencing operation shall imply that the target node of the request can no longer access any shared resources in the cluster, until it has "properly rejoined the cluster". 2. Fencing topology information (Note: modelled after the STONITH model by alanr in heartbeat) 2.1. Static configuration data The mechanisms available for fencing need to be configured on each node. Provision should be made that this file can be the same on all nodes (to ease configuration deployment). It shall be made easy to configure a device for a list of nodes or all nodes. TODO: Can this configuration also be stored in the CIB configuration part? This would collide with the concept that every node is the authoritive source of information about itself. 2.2. Runtime topology Every device needs to support a low-latency "ping" operation, which shall verify whether it can currently be reached from the local node; this shall preferrably not be affected by concurrent access. The devices can either autodiscover their targets (ie, like via STONITH devices), or have to provide means of configuring this list; the list shall only be queried from the device on explicit request by the CRM. The CRM shall be allowed to assume that the same device can fence the same set of nodes for all clients. 3. Interaction with the CRM 3.1. Policies The CRM will be responsible for retrying failed commands; the Executioner shall only make exactly one attempt. It shall not retry the request on another device in particular; it is permissible to retry the command on the same device if it seems like an intermediate failure. 3.2. Queries/Commands issued 3.2.1. Device reachable The Executioner shall verify whether the given device is still reachable by the local node at this point in time. The verification shall be low-latency and low weight and allow for concurrent access from multiple nodes (if appropriate, ie for network switches). 3.2.2. Targets fenceable via device Y The node shall contact the device and return the list of nodes which it can fence. The CRM will ensure that no other node in the partition is accessing device Y right now. Results: 0 Success; list of targets included 1 Failed; device not reached 2 Failed; device failed to return list of targets 3.2.3. Fencing request to fence node X via device Y This is a blocking, synchronous call. The CRM will ensure that no other node in the partition is accessing device Y right now. (This is an issue for certain network powerswitches) The result code need to distinguish between: 0 Fencing request succeeded 1 Failed: device could not be reached, potential network issue 2 Failed: device tried, but failed to acknowledge success 3 Failed: interal device failure TODO: So much differentiation really necessary? Yes, it can help identify quickly whether it is sensible to retry the fencing request via another node to the same device, or whether the next fencing device should be tried immediately; maybe that is overkill. pacemaker-master/doc/index.php000066400000000000000000000063401217637305600167010ustar00rootroot00000000000000 pacemaker-master/doc/msg-schema.txt000066400000000000000000000145401217637305600176470ustar00rootroot00000000000000Background ################## First of all, go look at the diagram (comms.gif), read this, then look at the diagram again. Next, some terminology... Here I will use CRM to refer to the light blue section. That is, the entire collection of processes/daemons/modules on a node that, as a whole, manage resources in the cluster. CRMd refers to one of the dark blue boxes. It is the "master subsystem" if you like. Its role is to co-ordinate the actions of all the other pieces of the puzzle, including those on other nodes. Key points from the diagram: - All communications with the CRM are done with Heartbeat messages routed through the CRMd. These messages contain a text representation of an XML document, the schema of which is outlined at the end of this document. - All communications internal to the CRM (ie. between its subsystems) is performed with IPC messages. Again all messages are routed via the CRMd and contain the same XML documents as Heartbeat messages. - All admin clients (eventually) end up sending Heartbeat messages and are thus subject to existing HA client security is available. - The RPC layer allows the cluster to be controled from non-member hosts (subject to RPC security which is available for free). - The option of syncronous or asynchronous RPC calls will be provided. This will probably be in the form of a flag sent as part of the function call. Advantages: - The only source of "requests" is the CRMd which means it *never* has to forward on "request" messages for any of it sub-systems. This is useful for the security of the system (see security.txt). - Potentially, most CRM<-->CRM communications can be replaced with RPC calls. - We are able to re-use existing security mechanisms (IPC, HA, RPC, unix_auth via RPC) to protect the system. Message scenarios: ################## There are really only 3 messaging scenarios in this system (exluding broadcast vs. point-to-point). Again this is nice as it keeps down the number of "special cases". 1) Sub-system <--(IPC)--> CRM <--(IPC)--> Sub-system 2) Sub-system <--(IPC)--> Local CRM <--(Heartbeat)--> Remote CRM <--(IPC)--> Sub-system 3) Admin Client <--(Heartbeat Broadcast)--> Remote CRM <--(IPC)--> Sub-system Message examples: ################## 1.1) the DC telling the local LRM to start a resource 1.2) the LRM asking the CIB about a resource 2.1) the DC telling a remote LRM to start a resource 2.2) the DC asking (all) the CIB(s) to provide their view of the world 3.1) an admin request to add/remove/modify a resource 3.2) an admin request to force a failover of a resource or a recomputation of the resource dependancies. Message Notes: ################## Messages may be sent to the CRM from local sub-systems via IPC or from other HA clients via Heartbeat. It is then the responsibility of the CRM to unpack the message and pass it on to the correct sub-system. If the destination sub-system is the DC and the DC is not running on the current node, the message is discarded without error. Where the DC recieves a message from another node, it will also keep track of the sending host and the reference number so that it can direct the replies appropriately. The exception to this is where the message is from the DC. Messages to the DC are *always* sent as broadcast messages and the DC *must always* acknowledge the message with either the results of the message or a "thankyou" message. The reason for this is that the DC may change or a DC election may be in progress. The implication of this is that the sender should always set a timer and resend dc_messages if they have not been acknowledged. The DC will be able to detect duplicates by examining the destination sub-system and the reference number and we will rely on HA to ensure the delivery of DC responses. All messages are full crm_messages. I toyed with only sending the *_request or *_response piece of the message to and/or from the relevant sub-systems, but it just got messy. This way, the routing role of the CRM is much easier. And easier equals lower complexity, which means less bugs, which is good for everyone. Schema Notes: ################### Key Attributes =============== reference: provides the ability to track which request a responce is in relation to and where the local CRM should send it. *_filter: allow the operation to be limited to a particular type, id and/or priority timeout: allows the receiver to know how long the sender is expecting the task to take so we can act and report back accordingly. Attribute values ================= Where the list ends with |... , the complete list of possibilities will be fleshed out at a later date. Message Schema: ################### filter_type? #CDATA filter_id? #CDATA> pacemaker-master/doc/openstack.md000066400000000000000000000121161217637305600173700ustar00rootroot00000000000000# OpenStack CTS setup If we ever get the OpenStack networking sorted out to the point where Corosync can use it, this documents the process of getting a Pacemaker cluster set up for testing with CTS. ## Prep Install python-novaclient yum install -y python-novaclient Export your OpenStack credentials export OS_REGION_NAME=... export OS_TENANT_NAME=... export OS_AUTH_URL=... export OS_USERNAME=... export OS_PASSWORD=... export IMAGE_USER=fedora Allocate 5 floating IPs. For the purposes of the setup instructions (and probably your sanity), they need to be consecutive and to remain sane, should ideally start with a multiple of 10. Below we will assume 10.16.16.60-64 for n in `seq 1 5`; do nova floating-ip-create; done Create some variables based on the IP addresses nova created for you: export IP_BASE=10.16.16.60 and a function for calculating offsets function nth_ipaddr() { echo $IP_BASE | awk -F. -v offset=$1 '{ printf "%s.%s.%s.%s\n", $1, $2, $3, $4 + offset }' } function ip_net() { echo $IP_BASE | awk -F. '{ printf "%s.%s.%s.*\n", $1, $2, $3 }' } Upload a public key that we can use to log into the images we create. I created one especially for cluster testing and left it without a password. nova keypair-add --pub-key ~/.ssh/cluster Cluster Make sure it gets used when connecting to the CTS master cat << EOF >> ~/.ssh/config Host cts-master \`echo $IP_BASE | awk -F. '{ printf "%s.%s.%s.*", \$1, \$2, \$3 }'\` User root IdentityFile ~/.ssh/cluster UserKnownHostsFile ~/.ssh/known.openstack EOF Punch a hole in the firewall for SSH access and ping nova secgroup-add-rule default tcp 23 23 10.0.0.0/8 nova secgroup-add-rule default icmp -1 -1 0.0.0.0/0 Add the CTS master to /etc/hosts cat << EOF >> /etc/hosts `nth_ipaddr 0` cts-master EOF Create helper scripts on a local host cat << END > ./master.sh echo export OS_REGION_NAME=$OS_REGION_NAME >> ~/.bashrc echo export OS_TENANT_NAME=$OS_TENANT_NAME >> ~/.bashrc echo export OS_AUTH_URL=$OS_AUTH_URL >> ~/.bashrc echo export OS_USERNAME=$OS_USERNAME >> ~/.bashrc echo export OS_PASSWORD=$OS_PASSWORD >> ~/.bashrc function nth_ipaddr() { echo $IP_BASE | awk -F. -v offset=\$1 '{ printf "%s.%s.%s.%s\n", \$1, \$2, \$3, \$4 + offset }' } yum install -y python-novaclient git screen pdsh pdsh-mod-dshgroup git clone --depth 0 git://github.com/beekhof/fence_openstack.git ln -s /root/fence_openstack/fence_openstack /sbin mkdir -p /root/.dsh/group/ echo export cluster_name=openstack >> ~/.bashrc rm -f /root/.dsh/group/openstack for n in `seq 1 4`; do echo "cluster-\$n" >> /root/.dsh/group/openstack echo \`nth_ipaddr \$n\` cluster-\$n >> /etc/hosts done cat << EOF >> /root/.ssh/config Host cts-master \`echo $IP_BASE | awk -F. '{ printf "%s.%s.%s.*", \$1, \$2, \$3 }'\` User root IdentityFile ~/.ssh/cluster EOF END Some images do not allow root to log in by default and insist on a 'fedora' user. Create a script to disable this "feature": cat << EOF > fix-guest.sh #!/bin/bash # Re-allow root to log in sudo sed -i s/.*ssh-/ssh-/ /root/.ssh/authorized_keys EOF ## CTS master (Fedora-18) Create and update the master nova boot --poll --image "Fedora 18" --key_name Cluster --flavor m1.tiny cts-master nova add-floating-ip cts-master `nth_ipaddr 0` If your image does not allow root to log in by default, disable this "feature" with the script we created earlier: scp fix-guest.sh $IMAGE_USER@cts-master: ssh -l $IMAGE_USER -t cts-master -- bash ./fix-guest.sh Now we can set up the CTS master with the script we created earlier: scp ~/.ssh/cluster cts-master:.ssh/id_rsa scp master.sh cts-master: ssh cts-master -- bash ./master.sh ### Create the Guests First create the guests for n in `seq 1 4`; do nova boot --poll --image "Fedora 18" --key_name Cluster --flavor m1.tiny cluster-$n; nova add-floating-ip cluster-$n `nth_ipaddr $n` done Then wait for everything to settle sleep 10 ### Fix the Guests If your image does not allow root to log in by default, disable this "feature" with the script we created earlier: for n in `seq 1 4`; do scp fix-guest.sh $IMAGE_USER@`nth_ipaddr $n`: ssh -l $IMAGE_USER -t `nth_ipaddr $n` -- bash ./fix-guest.sh; done ## Run CTS ### Prep Switch to the CTS master ssh cts-master Clone Pacemaker for the latest version of CTS: git clone --depth 0 git://github.com/ClusterLabs/pacemaker.git echo 'export PATH=$PATH:/root/pacemaker/extra:/root/pacemaker/cts' >> ~/.bashrc echo alias c=\'cluster-helper\' >> ~/.bashrc . ~/.bashrc Now set up CTS to run from the local source tree cts local-init Configure a cluster (this will install all needed packages and configure corosync on the guests in the $cluster_name group) cluster-init -g openstack --yes --unicast --hosts fedora-18 ### Run cd pacemaker cts clean run --stonith openstackpacemaker-master/doc/pcs-crmsh-quick-ref.md000066400000000000000000000101331217637305600211610ustar00rootroot00000000000000## Display the configuration crmsh # crm configure show pcs # pcs cluster cib ## Display the current status crmsh # crm_mon -1 pcs # pcs status ## Node standby crmsh # crm node standby pcs # pcs cluster standby pcmk-1 crmsh # crm node online pcs # pcs cluster unstandby pcmk-1 ## Setting configuration options crmsh # crm configure property stonith-enabled=false pcs # pcs property set stonith-enabled=false ## Listing available resources crmsh # crm ra classes pcs # pcs resource standards crmsh # crm ra list ocf pacemaker pcs # pcs resource agents ocf:pacemaker ## Creating a resource crmsh # crm configure primitive ClusterIP ocf:heartbeat:IPaddr2 \ params ip=192.168.122.120 cidr_netmask=32 \ op monitor interval=30s pcs # pcs resource create ClusterIP IPaddr2 ip=192.168.0.120 cidr_netmask=32 The standard and provider (`ocf:heartbeat`) are determined automatically since `IPaddr2` is unique. The monitor operation is automatically created based on the agent's metadata. ## Start a resource crmsh # crm resource start ClusterIP pcs # pcs resource start ClusterIP ## Stop a resource crmsh # crm resource stop ClusterIP pcs # pcs resource stop ClusterIP ## Remove a resource crmsh # crm configure delete ClusterIP pcs # ## Update a resource crmsh # crm configure edit ClusterIP pcs # pcs resource update ClusterIP clusterip_hash=sourceip ## Display a resource crmsh # pcs # pcs resource show WebFS ## Resource defaults crmsh # crm configure rsc_defaults resource-stickiness=100 pcs # pcs rsc defaults resource-stickiness=100 Listing the current defaults: pcs # pcs rsc defaults ## Operation defaults crmsh # crm configure op_defaults timeout=240s pcs # pcs resource op defaults timeout=240s Listing the current defaults: pcs # pcs resource op defaults ## Colocation crmsh # crm configure colocation website-with-ip INFINITY: WebSite ClusterIP pcs # pcs constraint colocation add WebSite ClusterIP INFINITY With roles crmsh # pcs # ## Start/stop ordering crmsh # crm configure order apache-after-ip mandatory: ClusterIP WebSite pcs # pcs constraint order ClusterIP then WebSite With roles: crmsh # pcs # ## Preferred locations crmsh # crm configure location prefer-pcmk-1 WebSite 50: pcmk-1 pcs # pcs constraint location WebSite prefers pcmk-1=50 With roles: crmsh # pcs # ## Moving resources crmsh # crm resource move WebSite pcmk-1 pcs # pcs constraint location WebSite prefers pcmk-1=INFINITY crmsh # crm resource unmove WebSite pcs # pcs constraint rm location-WebSite-pcmk-1-INFINITY ## Creating a clone crmsh # configure clone WebIP ClusterIP meta globally-unique="true" clone-max="2" clone-node-max="2" pcs # pcs resource clone ClusterIP globally-unique=true clone-max=2 clone-node-max=2 ## Creating a master/slave clone crmsh # crm configure ms WebDataClone WebData \ meta master-max=1 master-node-max=1 \ clone-max=2 clone-node-max=1 notify=true pcs # resource master WebDataClone WebData \ master-max=1 master-node-max=1 clone-max=2 clone-node-max=1 \ notify=true ## ... crmsh # pcs # crmsh # pcs # ## Batch changes crmsh # crm crmsh # cib new drbd_cfg crmsh # configure primitive WebData ocf:linbit:drbd params drbd_resource=wwwdata \ op monitor interval=60s crmsh # configure ms WebDataClone WebData meta master-max=1 master-node-max=1 \ clone-max=2 clone-node-max=1 notify=true crmsh # cib commit drbd_cfg crmsh # quit pcs # pcs cluster cib drbd_cfg pcs # pcs -f drbd_cfg resource create WebData ocf:linbit:drbd drbd_resource=wwwdata \ op monitor interval=60s pcs # pcs -f drbd_cfg resource master WebDataClone WebData master-max=1 master-node-max=1 \ clone-max=2 clone-node-max=1 notify=true pcs # pcs cluster push cib drbd_cfg pacemaker-master/doc/publican-clusterlabs/000077500000000000000000000000001217637305600211745ustar00rootroot00000000000000pacemaker-master/doc/publican-clusterlabs/COPYING000066400000000000000000000000651217637305600222300ustar00rootroot00000000000000SETUP This file should contain your COPYRIGHT Licensepacemaker-master/doc/publican-clusterlabs/README000066400000000000000000000000001217637305600220420ustar00rootroot00000000000000pacemaker-master/doc/publican-clusterlabs/defaults.cfg000066400000000000000000000002171217637305600234640ustar00rootroot00000000000000# Config::Simple 4.59 # Thu Nov 12 09:56:27 2009 doc_url: http://www.clusterlabs.org/wiki/Documentation prod_url: http://www.clusterlabs.org pacemaker-master/doc/publican-clusterlabs/en-US/000077500000000000000000000000001217637305600221235ustar00rootroot00000000000000pacemaker-master/doc/publican-clusterlabs/en-US/Feedback.xml000066400000000000000000000020601217637305600243270ustar00rootroot00000000000000
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1ap("AHIt'ImEH k}#oѡ&tIrN\wBIt# ^9E eUJ鵯I_꙯ԡ`"3ʜŲ P`{p[PZիy Y`NҹeWuL{z5qZ)_LF x2O9oG]ķwgǁ 撖ErTѓxwuNEJ` Na=> SW/I*ܗN|Ab]=|q1DZn6kKjhwzTIZ9tNIeU{.uNwMs7"] d@_j-R|.pOY2 z=3hBߏsi``"_x$I󼆾t9ՍjNm4i;2Á/YuTbLsEJyHҒޣʜ'9ˇ h)^DK|S jYYĒP!֧oXM1C~18:gw)-}F syarߏ-sMuxHiζJ imbWo}Ryi')=!I)/Od8۫[l ukd5,5,BL[PժrcDZʜ KE7êWG$5\H <`RI$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$I$IZܫmB{IENDB`pacemaker-master/doc/publican-clusterlabs/en-US/images/watermark-draft.svg000066400000000000000000000013521217637305600272050ustar00rootroot00000000000000 watermark-draft pacemaker-master/doc/publican-clusterlabs/overrides.cfg000066400000000000000000000000751217637305600236610ustar00rootroot00000000000000# Config::Simple 4.59 # Thu Nov 12 09:56:27 2009 strict: 0 pacemaker-master/doc/publican-clusterlabs/publican-clusterlabs.spec000066400000000000000000000020501217637305600261630ustar00rootroot00000000000000%define brand clusterlabs Name: publican-clusterlabs Summary: Common documentation files for %{brand} Version: 0.1 Release: 0%{?dist} License: SETUP: Set This Group: Applications/Text Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n) Buildarch: noarch Source: https://www.SETUP.set.me.example.com/source/%{name}-%{version}.tgz Requires: publican >= 1.0 BuildRequires: publican >= 1.0 URL: https://www.SETUP.set.me.example.com %description This package provides common files and templates needed to build documentation for %{brand} with publican. %prep %setup -q %build publican build --formats=xml --langs=all --publish %install rm -rf $RPM_BUILD_ROOT mkdir -p -m755 $RPM_BUILD_ROOT%{_datadir}/publican/Common_Content publican install_brand --path=$RPM_BUILD_ROOT%{_datadir}/publican/Common_Content %clean rm -rf $RPM_BUILD_ROOT %files %defattr(-,root,root,-) %doc README %doc COPYING %{_datadir}/publican/Common_Content/%{brand} %changelog * Thu Nov 12 2009 SETUP:YourName 0.1 - Created Brand pacemaker-master/doc/publican-clusterlabs/publican.cfg000066400000000000000000000001721217637305600234520ustar00rootroot00000000000000# Config::Simple 4.59 # Thu Nov 12 09:56:27 2009 version: 0.1 xml_lang: en-US release: 0 type: brand brand: clusterlabs pacemaker-master/doc/publican-clusterlabs/xsl/000077500000000000000000000000001217637305600220025ustar00rootroot00000000000000pacemaker-master/doc/publican-clusterlabs/xsl/common.xsl000066400000000000000000000027041217637305600240250ustar00rootroot00000000000000 ]> #2C4081 appendix toc,title article/appendix nop article toc,title book toc,title,figure,table,example,equation chapter toc,title part toc,title preface toc,title qandadiv nop qandaset nop reference toc,title sect1 nop sect2 nop sect3 nop sect4 nop sect5 nop section nop set toc,title even pacemaker-master/doc/publican-clusterlabs/xsl/header.html000066400000000000000000000006551217637305600241260ustar00rootroot00000000000000 pacemaker-master/doc/publican-clusterlabs/xsl/html-single.xsl000066400000000000000000000014741217637305600247630ustar00rootroot00000000000000 ]> pacemaker-master/doc/publican-clusterlabs/xsl/html.xsl000066400000000000000000000022401217637305600234740ustar00rootroot00000000000000 ]> pacemaker-master/doc/publican-clusterlabs/xsl/pdf.xsl000066400000000000000000000015621217637305600233070ustar00rootroot00000000000000 ]> pacemaker-master/doc/security.txt000066400000000000000000000130241217637305600174660ustar00rootroot00000000000000Points of Entry ################## Inter CRM Messaging ======================= Security relies on the existing systems in place for sending HA Messages. The assumption here is that once a member node has been compromised, you've pretty much had it anyway. CRM Internal Messaging ======================= Security relies on the existing systems in place for sending IPC Messages. Remember, once a member node has been compromised, you've pretty much had it anyway. Admin client X, Y ======================= Security replies on standard RPC mechanisms of hosts.allow/hosts.deny etc. It is likely that this would be augmented by adding an identity store (leading candidates would be the CIB and /etc/passwd) and authorization mechanisms to the CRM RPC Server processes. To achieve a moderatly sensible level of security granularity, the API should at least be split up into the following list of RPC Servers: cib_delete cib_update cib_create crm_admin Admin client Z ======================= See: Inter CRM Messaging Potential Exploits ======================= These exclude things like faking HA Messages, hacking IPC fifo's and for the moment packet sniffing of RPC requests. The "Measures" section is intended to contain messures to prevent the attack or to at least raise the bar for potential intruders. Exploit Class #1 Desc: Impersonate the DC Requires: Access to the DC Ability to register with heartbeat as it is currently running[1] Measures: 1, 2, 3, 4, 5 Exploit Class #2 Desc: Impersonate the local CRMd Requires: Access to the member node Ability to reconfigure and restart heartbeat Measures: 4, 5, 7 Notes: This attack is pretty much limited to the local node (and any shared resources :cringe:) which is no more than they could do with access to the node anyway. Exploit Class #3 Desc: Impersonate a local CRMd client Requires: Access to a member node Measures: 1, 6 Exploit Class #4 Desc: Rogue Admin client (Type Z) Requires: Access to a member node Ability to construct valid XML message a) Ability to reconfigure and restart heartbeat, or b) Ability to register with Heartbeat with a currently unused client name Measures: 8, ? Notes: This is probably the second worst scenario, about all we could potentially do is implement behavioural pattern recognition and that is :definitly: not going to be in 1.0 :) Exploit Class #5 Desc: Rogue Admin client (Type X or Y) Requires: Access to the CRM RPC API Access to a host with sufficient RPC permissions Measures: 8, 9 Notes: This :is: the worst scenario, attackers dont even need access to a member node or modify/interrogate the Heartbeat config. Again, about all we could potentially do is implement behavioural pattern recognition. Exploit Class #6 Desc: Data interception - Rogue Admin client (Type Y) Requires: Access to the RPC API Knowledge of a current, valid and unchecked ticket ID[5] Measures: 8, 9, 10 Exploit Class #7 Desc: Malicious user (Using a Known Admin Client) Requires: Access to a host with sufficient RPC permissions Access to an existing admin client a) Access to an identity that the RPC servers deem to have sufficient permissions, or b) Access to an admin client that passes a pre-defined set of credentials, not the users Measures: 8, 9, 10, 11 List of Measures ================= Measure 1: As the CRMd, verify the "type" attribute when routing IPC messages from sub-systems and discard if it is not a response[2] Measure 2: As the CRMd, verfiy the "from" field on incomming messages and discard if it is not "admin" or "dc" Measure 3: As the CRMd, Verfiy F_ORIG against known value for the DC. Only the DC should be sending us messages[3] Measure 4: As Heartbeat, only allow clients registered as "crmd" to send messages with F_TYPE="CRM" Measure 5: Respawn the CRMd if it is stopped and drop out of the cluster if multiple HA clients are trying to register as "crmd"[4] Measure 6: As CRMd, cause Heartbeat tp drop out of the cluster if multiple clients are trying to register as the same sub-system. Measure 7: As the CIB, detect multiple active registrations and shutdown when this is detected. Measure 8: Require the admin clients to provide a credential which must be matched against an identity store.[6][7] Measure 9: Configure RPC security appropriatly Measure 10: Invalidate the ticket and the result set once the ticket has been used. Measure 11: Dont create admin clients that pass a pre-defined set of credentials [1] Shutting down Heartbeat to change permissions would mean the DC is assigned elsewhere anyway [2] Sub-systems other than the CRMs/DC should not be making requests [3] If not implemented, then this exploit would only require acess to any member node [4] This is currently reported as an error and the second attempt is denied [5] It is envisioned that in the case of asyncronous RPC calls, that a "ticket" would be issued that the client would use to ask for a result, or perhaps set up a callback. A second async call would be made to retrieve the result. Syncronous RPC calls would internally use a different call that would block on this ticket until a result was available. [6] Depending on the type of client and where it takes its credentials from, this would either prevent unknown clients or unknown users accessing the CRM (at least until the ID store is hacked) [7] After the ID store is decided on, we obviously then need to consider the security surrounding it also pacemaker-master/doc/stonith-ng.conf.example000066400000000000000000000040461217637305600214550ustar00rootroot00000000000000# Using Standalone Configuration # # The standalone configuration can only be applied to the # stonithd process while in standalone mode. This is achieved # by using the --stand-alone option when launching stonithd. # When in standalone mode, stonithd will look for a config # file named stonith-ng.conf in the /etc/pacemaker directory. # If the config file is present, it will be applied on startup. # # Below are examples of how to configure stonithd in standalone # mode using this configuration file. # # Example 1: Standalone fence_ipmilan configuration # for 2 hosts device stonith-1 fence_ipmilan auth=md5 lanplus=true method=onoff \ power_wait=5 ipaddr=v02-a-control login=abc passwd=def # Since there are no ports in fence_ipmilan, just give it # the host(s) that is controlled by stonith-1. fence_ipmilan # happens to only be able to control 1 host at a time. ports stonith-1 v02-a # There is no host checker for ipmilan and there is no host # or port argument really, tell stonithd this. options stonith-1 host_argument=none # # Example 2: fence_apc controlling 4 hosts, 1 port each # # Port assignment implies connection to device # device stonith-2 fence_apc ipaddr=north-apc login=apc passwd=apc ports stonith-2 north-01=2 north-02=3 north-03=4 north-04=5 # # Example 3: fence_wti controlling 2 hosts, 2 ports each # device stonith-3 fence_wti ipaddr=10.1.1.2 login=admin passwd=admin ports stonith-3 v02-a="1,5" v02-b="2,6" # # Example 4: fence_xvm with special option # device stonith-4 fence_xvm # Non-fencing agent option to give stonithd hints options stonith-4 pcmk_arg_map="domain:uname" # # Example 5: external/ssh # device stonith-5 "external/ssh" livedangerously=yes ports stonith-5 v02-a v02-b # # Example 6: Fence_scsi # # fence_scsi has no ports and no host list, so all we do is # tell stonith what hosts it controls # device stonith-6 fence_scsi ports stonith-6 v02-a v02-b # Try to fence v02-a using stonith-6 and stonith-3. If either # fails, move on to stonith-5. priority v02-a 1 stonith-6 stonith-3 priority v02-a 2 stonith-5 pacemaker-master/extra/000077500000000000000000000000001217637305600154345ustar00rootroot00000000000000pacemaker-master/extra/Makefile.am000066400000000000000000000015751217637305600175000ustar00rootroot00000000000000# # Copyright (C) 2004-2009 Andrew Beekhof # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # MAINTAINERCLEANFILES = Makefile.in SUBDIRS = resources rgmanager mibdir = $(datadir)/snmp/mibs mib_DATA = PCMK-MIB.txt pacemaker-master/extra/PCMK-MIB.txt000066400000000000000000000054221217637305600173370ustar00rootroot00000000000000PACEMAKER-MIB DEFINITIONS ::= BEGIN -- -- MIB objects for the pacemaker cluster manager implementation -- IMPORTS MODULE-IDENTITY, OBJECT-TYPE, Integer32, NOTIFICATION-TYPE, enterprises FROM SNMPv2-SMI SnmpAdminString FROM SNMP-FRAMEWORK-MIB netSnmp FROM NET-SNMP-MIB RowStatus, StorageType FROM SNMPv2-TC InetAddressType, InetAddress FROM INET-ADDRESS-MIB ; pacemaker MODULE-IDENTITY LAST-UPDATED "200901051115Z" ORGANIZATION "www.clusterlabs.org" CONTACT-INFO "name: Michael Schwartzkopff email: pacemaker@oss.clusterlabs.org" DESCRIPTION "MIB objects for the pacemaker cluster manager implementation" REVISION "200910051115Z" DESCRIPTION "First draft" REVISION "200910062115Z" DESCRIPTION "Corrections after feedback from beekhof" ::= { enterprises 32723 } -- -- top level structure -- pacemakerNotification OBJECT IDENTIFIER ::= { pacemaker 1 } -- -- pacemaker Notifications -- pacemakerNotificationNode OBJECT-TYPE SYNTAX OCTET STRING (SIZE(1..64)) MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The node on which the status change happened." ::= { pacemakerNotification 1 } pacemakerNotificationResource OBJECT-TYPE SYNTAX OCTET STRING (SIZE(1..256)) MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The name of the resource that changed the status." ::= { pacemakerNotification 2 } pacemakerNotificationOperation OBJECT-TYPE SYNTAX OCTET STRING (SIZE(1..64)) MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The operation that caused the status change." ::= { pacemakerNotification 3 } pacemakerNotificationDescription OBJECT-TYPE SYNTAX OCTET STRING (SIZE(1..256)) MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The textual output relevant error code of the operation (if any) that caused the status change." ::= { pacemakerNotification 4 } pacemakerNotificationStatus OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The numerical representation of the status of the operation." ::= { pacemakerNotification 5 } pacemakerNotificationReturnCode OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The return code of the operation." ::= { pacemakerNotification 6 } pacemakerNotificationTargetReturnCode OBJECT-TYPE SYNTAX Integer32 MAX-ACCESS accessible-for-notify STATUS current DESCRIPTION "The expected return code of the operation." ::= { pacemakerNotification 7 } END pacemaker-master/extra/buildbot.helper000077500000000000000000000007541217637305600204520ustar00rootroot00000000000000#!/bin/bash set -x self=`basename $0` if [ x$1 = xinstall ]; then # Basic test phase mock --configdir=$PWD --root=mock --resultdir=./mock -v --install ./mock/*.rpm nano sudo valgrind lcov elif [ x$1 = xdownloads ]; then # Extra test phase mock --configdir=$PWD --root=mock --resultdir=./mock -v --install ./downloads/*.rpm nano sudo valgrind lcov elif [ x$1 = xlint ]; then rpmlint -i -f rpmlintrc ./mock/*.rpm else echo "Unknown sub-command: $1" exit 1 fi pacemaker-master/extra/cluster-clean000077500000000000000000000046241217637305600201310ustar00rootroot00000000000000#!/bin/bash hosts= group= kill=0 while true; do case "$1" in -x) set -x; shift;; -w) for h in $2; do hosts="$hosts -w $h"; done shift; shift;; -g) group=$2; shift; shift;; --kill) kill=1; shift;; --kill-only) kill=2; shift;; "") break;; *) echo "unknown option: $1"; exit 1;; esac done if [ x"$group" = x -a x"$hosts" = x ]; then group=$CTS_GROUP fi if [ x"$hosts" != x ]; then echo `date` ": Cleaning up hosts:" target=$hosts elif [ x"$group" != x ]; then echo `date` ": Cleaning up group: $group" target="-g $group" else echo "You didn't specify any nodes to clean up" exit 1 fi cluster-helper --list bullet $target if [ $kill != 0 ]; then echo "Cleaning processes" # Bah. Force systemd to actually look at the process and realize its dead" cluster-helper $target -- "service corosync stop" &> /dev/null & cluster-helper $target -- "service pacemaker stop" &> /dev/null & cluster-helper $target -- "killall -q -9 corosync aisexec heartbeat pacemakerd pacemaker-remoted ccm stonithd ha_logd lrmd crmd pengine attrd pingd mgmtd cib fenced dlm_controld gfs_controld" &> /dev/null cluster-helper $target -- 'kill -9 `pidof valgrind`' &> /dev/null if [ $kill == 2 ]; then exit 0 fi fi #logrotate -f $cluster_rotate echo "Cleaning files" log_files="" log_files="$log_files 'messages*'" log_files="$log_files 'localmessages*'" log_files="$log_files 'cluster*.log'" log_files="$log_files corosync.log" log_files="$log_files pacemaker.log" state_files="" state_files="$state_files 'cib.xml*'" state_files="$state_files 'valgrind-*'" state_files="$state_files 'cib-*'" state_files="$state_files 'core.*'" state_files="$state_files hostcache" state_files="$state_files 'cts.*'" state_files="$state_files 'pe*.bz2'" for f in $log_files; do cluster-helper $target -- "find /var/log -name '$f' -exec rm -f \{\} \;" done for f in $state_files; do cluster-helper $target -- "find /var/lib -name '$f' -exec rm -f \{\} \;" done cluster-helper $target -- "find /dev/shm -name 'qb-*' -exec rm -f \{\} \;" cluster-helper $target -- "find /var/lib/pacemaker/blackbox -name '*.*' -exec rm -f \{\} \;" cluster-helper $target -- "find /tmp -name '*.valgrind' -exec rm -f \{\} \;" cluster-helper $target -- service rsyslog restart 2>&1 > /dev/null cluster-helper $target -- logger -i -p daemon.info __clean_logs__ #touch $cluster_log echo `date` ": Clean complete" pacemaker-master/extra/cluster-helper000077500000000000000000000112221217637305600203160ustar00rootroot00000000000000#!/bin/bash hosts= group=$cluster_name user=root pdsh=`which pdsh 2>/dev/null` ssh=`which qarsh 2>/dev/null` scp=`which qacp 2>/dev/null` command=list format=oneline replace="{}" if [ x$ssh = "x" ]; then ssh=ssh scp=scp fi function helptext() { echo "cluster-helper - A tool for running commands on multiple hosts" echo "" echo "Attempt to use pdsh, qarsh, or ssh (in that order) to execute commands" echo "on mutiple hosts" echo "" echo "DSH groups can be configured and specified with -g instead of listing" echo "the individual hosts every time" echo "" echo "Usage: cluster-helper [options] [command]" echo "" echo "Options:" echo "--ssh Force the use of ssh instead of qarsh even if it available" echo "-g, --group Specify the group to operate on/with" echo "-w, --host Specify a host to operate on/with. May be specified multiple times" echo "-f, --format Specifiy the output format When listing hosts or group contents" echo " Allowed values: [oneline], long, short, pdsh, bullet" echo "" echo "" echo "Commands:" echo "--list format List the contents of a group in the specified format" echo "--add name Add supplied (-w) hosts to the named group" echo "--create name Create the named group with the supplied (-w) hosts" echo "--run, -- Treat all subsequent arguments as a command to perform on" echo " the specified command on the hosts or group" echo "--xargs Run the supplied command having replaced any occurances" echo " of {} with the node name" echo "" echo "--copy file(s) host:file Pass subsequent arguments to scp or qacp" echo " Any occurances of {} are replaced with the node name" echo "" exit $1 } while true ; do case "$1" in --help|-h|-\?) helptext 0;; -x) set -x; shift;; --ssh) ssh="ssh"; scp="scp"; shift;; -g|--group) group="$2"; shift; shift;; -w|--host) for h in $2; do hosts="$hosts -w $h"; done shift; shift;; -f|--format) format=$2; shift; shift;; -I) replace=$2; shift; shift;; --list|list) format=$2; command=list; shift; shift;; --add|add) command=group-add; shift;; --create|create) group="$2", command=group-create; shift; shift;; --run|run) command=run; shift;; --copy|copy) command=copy; shift; break ;; --xargs) command=xargs; shift; break ;; --) command=run; shift; break ;; "") break;; *) helptext 1;; esac done if [ x"$group" = x -a x"$hosts" = x ]; then group=$CTS_GROUP fi function expand() { fmt=$1 if [ x$group != x -a -f ~/.dsh/group/$group ]; then hosts=`cat ~/.dsh/group/$group` elif [ x$group != x ]; then echo "Unknown group: $group" >&2 exit 1 fi if [ "x$hosts" != x -a $fmt = oneline ]; then echo $hosts elif [ "x$hosts" != x -a $fmt = short ]; then ( for h in $hosts; do echo $h | sed 's:\..*::' done ) | tr '\n' ' ' echo "" elif [ "x$hosts" != x -a $fmt = pdsh ]; then ( for h in $hosts; do echo "-w $h" done ) | tr '\n' ' ' echo "" elif [ "x$hosts" != x -a $fmt = long ]; then for h in $hosts; do echo $h done elif [ "x$hosts" != x -a $fmt = bullet ]; then for h in $hosts; do echo " * $h" done elif [ "x$hosts" != x ]; then echo "Unknown format: $fmt" >&2 fi } if [ $command = list ]; then expand $format elif [ $command = group-create ]; then f=`mktemp` mkdir -p ~/.dsh/group if [ -f ~/.dsh/group/$group ]; then echo "Overwriting existing group $group" fi for h in $hosts; do echo $h >> $f done echo "Creating group $group in ~/.dsh/group" sort -u $f > ~/.dsh/group/$group rm -f $f elif [ $command = group-add ]; then if [ x$group = x ]; then echo "Please specify a group to append to" exit 1 fi f=`mktemp` mkdir -p ~/.dsh/group if [ -f ~/.dsh/group/$group ]; then cat ~/.dsh/group/$group > $f fi for h in $hosts; do echo $h >> $f done echo "Appending hosts to group $group in ~/.dsh/group" sort -u $f > ~/.dsh/group/$group rm -f $f elif [ $command = run ]; then if [ x$pdsh != x ]; then hosts=`expand pdsh` $pdsh -l $user $hosts -- $* else hosts=`expand oneline` for n in $hosts; do $ssh -l $user $n -- $* < /dev/null done if [ x"$hosts" = x ]; then echo "No hosts specified" fi fi elif [ $command = copy ]; then hosts=`expand oneline` for n in $hosts; do $scp `echo $* | sed 's@'$replace'@'$n'@'` done elif [ $command = xargs ]; then hosts=`expand oneline` for n in $hosts; do eval `echo $* | sed 's@'$replace'@'$n'@'` done fi pacemaker-master/extra/cluster-init000077500000000000000000000476111217637305600200150ustar00rootroot00000000000000#!/bin/bash accept_defaults=0 do_raw=0 ETCHOSTS=0 CMAN=0 do_heartbeat=0 plugin_ver=-1 pcmk_ver=11 nodelist=0 pkgs="corosync xinetd nmap abrt-cli fence-agents perl-TimeDate gdb" transport="multicast" inaddr_any="no" INSTALL= cs_conf= fence_conf= rpm_repo= distro= dsh_group=0 cluster=dummy0 # Corosync/OpenAIS Settings cs_port=666 # Settings that work great on nXX join=60 #token=3000 consensus=1500 # Official settings join=2000 token=5000 consensus=2500 # Testing join=1000 consensus=7500 do_debug=off function ip_for_node() { ping -c 1 $1 | grep "bytes from" | head -n 1 | sed -e 's/.*bytes from//' -e 's/: icmp.*//' | awk '{print $NF}' | sed 's:(::' | sed 's:)::' # if [ $do_raw = 1 ]; then # echo $1 # else # #host $1 | grep "has address" | head -n 1 | awk '{print $NF}' | sed 's:(::' | sed 's:)::' # fi } function id_for_node() { ip_for_node $* | tr '.' ' ' | awk '{print $4}' } function name_for_node() { echo $1 | awk -F. '{print $1}' } function helptext() { echo "cluster-init - Configure cluster communication for the different infrastructures supported by Pacemaker" echo "" echo "-g, --group Specify the group to operate on/with" echo "-w, --host Specify a host to operate on/with. May be specified multiple times" echo "-r, --raw-ip Supplied nodes were listed as their IP addresses" echo "" echo "-h, --heartbeat configure for heartbeat" echo "-c, --corosync configure for corosync" echo "-C, --nodelist configure for corosync with a node list" echo "-o, --openais configure for openais" echo "--cman configure for cman" echo "-p, --plugin version" echo "-u, --unicast configure point-to-point communication instead of multicast (corosync only)" echo "" echo "-I, --install Install packages" echo "-R, --repo name Setup and update/install Pacemaker from the named clusterlabs.org repo" echo " Known values: rpm, rpm-test, rpm-next, rpm-test-next, rpm-test-rhel" echo "-D, --distro The distro within the --repo. Defaults to fedora-15" echo "" echo "-d, --debug Enable debug logging for the cluster" echo "-10 install stable-1.0 packages, implies: -p 0 -R rpm-test -I" echo "--hosts Copy /etc/hosts from the test master to the nodes" echo "-e, --extra package-list" echo " Extra packages to install" exit $1 } host_input="" while true; do case "$1" in -g) cluster=$2; dsh_group=`echo $cluster | sed s/[a-zA-Z]*//` host_input="-g $cluster" shift; shift;; -w|--host) for h in $2; do host_input="$host_input -w $h"; done shift; shift;; -w) host_input="$host_input -w $2" shift; shift;; -r|--raw-ip) do_raw=1; shift;; -D) distro=$2; shift; shift;; -d|--debug) do_debug=on; shift;; -R|--repo) rpm_repo=$2; shift; shift;; -I|--install) INSTALL=Yes; shift;; --hosts) ETCHOSTS=1; shift;; cman|--cman) CTYPE=cman; shift;; -h|--heartbeat) CTYPE=heartbeat; shift;; -c|--corosync) CTYPE=corosync; shift;; -C|--nodelist) CTYPE=corosync; nodelist=1; shift;; -o|--openais) CTYPE=openais; shift;; --plugin|-p) CTYPE=plugin; plugin_ver=$2; shift; shift;; -u|--unicast) nodelist=1; transport=udpu; inaddr_any="yes"; shift;; -e|--extra) pkgs="$pkgs $2"; shift; shift;; -t|--test) rpm_repo=rpm-test-next; pkgs="$pkgs valgrind"; shift;; r*[0-9]) rhel=`echo $1 | sed -e s/rhel// -e s/-// -e s/r//` distro="rhel-$rhel"; pkgs="$pkgs qarsh-server"; case $rhel in 6) CTYPE=cman;; 7) CTYPE=corosync;; esac shift ;; f*[0-9][0-9]) distro="fedora-`echo $1 | sed -e s/fedora// -e s/-// -e s/f//`"; CTYPE=corosync; shift ;; p0|10) pcmk_ver=10; plugin_ver=0; rpm_repo="rpm-test"; install=1; shift;; -y|--yes|--defaults) accept_defaults=1; shift;; -x) set -x; shift;; -\?|--help) helptext 0; shift;; "") break;; *) echo "unknown option: $1"; exit 1;; esac done if [ x = "x$host_input" -a x = "x$cluster_name" ]; then if [ -d $HOME/.dsh/group ]; then read -p "Please specify a dsh group you'd like to configure as a cluster? [] " -t 60 cluster_name else read -p "Please specify a whitespace delimetered list of nodes you'd like to configure as a cluster? [] " -t 60 host_list for h in $2; do host_input="$host_input -w $h"; done fi fi if [ ! -z $cluster_name ]; then host_input="-g $cluster_name" dsh_group=`echo $cluster_name | sed s/[a-zA-Z]*//` fi if [ -z "$host_input" ]; then echo "You didn't specify any nodes or groups to configure" exit 1 fi host_list=`cluster-helper --list short $host_input` num_hosts=`echo $host_list | wc -w` if [ -z $dsh_group ]; then dsh_group=1 fi if [ -z $CTYPE ]; then echo "" read -p "Where should Pacemaker obtain membership and quorum from? [corosync] (corosync, cman, plugin, openais, heartbeat) " -t 60 CTYPE fi case $CTYPE in cman) CMAN=1; cs_conf=/etc/cluster/cluster.conf;; corosync) cs_conf=/etc/corosync/corosync.conf;; heartbeat) do_heartbeat=1;; openais) cs_conf=/etc/ais/openais.conf;; plugin) cs_conf=/etc/corosync/corosync.conf if [ -z $plugin_ver ]; then echo "" read -p "Should corosync start Pacemaker? [No]" -t 60 PTYPE case $PTYPE in [Yy][Ee][Ss]|[Yy]) plugin_ver=0;; *) plugin_ver=1;; esac fi ;; esac function get_defaults() { if [ -z $SSH ]; then SSH="No" fi if [ -z $SELINUX ]; then SELINUX="Yes" fi if [ -z $IPTABLES ]; then IPTABLES="Yes" fi if [ -z $DOMAIN ]; then DOMAIN="No" fi if [ -z $INSTALL ]; then INSTALL="Yes" fi if [ -z $DATE ]; then DATE="Yes" fi } get_defaults if [ $accept_defaults = 0 ]; then echo "" read -p "Shall I install an ssh key to cluster nodes? [$SSH] " -t 60 SSH echo "" echo "SELinux prevent many things, including password-less ssh logins" read -p "Shall I disable selinux? [$SELINUX] " -t 60 SELINUX echo "" echo "Incorrectly configured firewalls will prevent corosync from starting up" read -p "Shall I disable iptables? [$IPTABLES] " -t 60 IPTABLES if [ $CMAN = 1 ]; then echo "" echo "Without a default domain, cman probably wont start because it can't look up the IP for hosts" read -p "Shall I set one? [No] (domain.name) " -t 60 DOMAIN elif [ $pcmk_ver = 10 ]; then echo "" echo "Without a default domain, external/ssh fencing probably wont work because it can't find its peers" read -p "Shall I set one? [No] (domain.name) " -t 60 DOMAIN fi echo "" read -p "Shall I install/update the relevant packages? [$INSTALL] " -t 60 INSTALL case $INSTALL in [Yy][Ee][Ss]|[Yy]|"") if [ -z $rpm_repo ]; then echo "" read -p "Would you like to install packages from ClusterLabs.org? [No] (rpm, rpm-next, rpm-test-next) " -t 60 rpm_repo fi if [ ! -z $rpm_repo ]; then if [ -z $distro ]; then distro=fedora-18 echo "" read -p "Which distro are you installing for? [$distro] (eg. fedora-17, rhel-6) " -t 60 distro fi fi ;; esac echo "" read -p "Shall I sync the date/time? [$DATE] " -t 60 DATE fi get_defaults echo "" echo "Detecting possible fencing options" if [ -e /etc/cluster/fence_xvm.key ]; then echo "* Found fence_xvm" fence_conf=/etc/cluster/fence_xvm.key pkgs="$pkgs fence-virt" fi if [ ! -z ${OS_AUTH_URL} ]; then echo "* Found openstack credentials" fence_conf=/sbin/fence_openstack pkgs="$pkgs python-novaclient" fi echo "" echo "Beginning cluster configuration" echo "" case $SSH in [Yy][Ee][Ss]|[Yy]) for host in $host_list; do echo "Installing our ssh key on ${host}" ssh-copy-id root@${host} >/dev/null 2>&1 # Fix selinux labeling ssh -l root ${host} -- restorecon -R -v . done ;; esac case $DATE in [Yy][Ee][Ss]|[Yy]) for host in $host_list; do echo "Setting time on ${host}" scp /etc/localtime root@${host}:/etc now=`date` ssh -l root ${host} -- date -s "'$now'" echo "" done ;; esac REPO= if [ ! -z $rpm_repo ]; then REPO=$rpm_repo/$distro fi if [ $do_heartbeat = 1 ]; then pkgs="$pkgs heartbeat" fi if [ $CMAN = 1 ]; then pkgs="$pkgs cman" fi init=`mktemp` cat<<-END>$init verbose=0 pkgs="$pkgs" lhost=\`uname -n\` lshort=\`echo \$lhost | awk -F. '{print \$1}'\` log() { printf "%-10s \$*\n" "\$lshort:" 1>&2 } debug() { if [ \$verbose -gt 0 ]; then log "Debug: \$*" fi } info() { log "\$*" } warning() { log "WARN: \$*" } fatal() { log "ERROR: \$*" exit 1 } case $SELINUX in [Yy][Ee][Ss]|[Yy]|"") sed -i.sed "s/enforcing/disabled/g" /etc/selinux/config ;; esac case $IPTABLES in [Yy][Ee][Ss]|[Yy]|"") service iptables stop chkconfig iptables off service firewalld stop chkconfig firewalld off ;; esac case $DOMAIN in [Nn][Oo]|"") ;; *.*) if ! grep domain /etc/resolv.conf then sed -i.sed "s/nameserver/domain\ $DOMAIN\\\nnameserver/g" /etc/resolv.conf fi ;; *) echo "Unknown domain: $DOMAIN";; esac case $INSTALL in [Yy][Ee][Ss]|[Yy]|"") if [ ! -z $REPO ]; then info Configuring Clusterlabs repo: $REPO yum install -y wget rm -f /etc/yum.repos.d/clusterlabs.repo wget -O /etc/yum.repos.d/clusterlabs.repo http://www.clusterlabs.org/$REPO/clusterlabs.repo &>/dev/null yum clean all fi info Installing cluster software if [ $pcmk_ver = 10 ]; then yum install -y $pkgs at service atd start systemctl enable atd.service yum install -y "pacemaker < 1.1" else yum install -y $pkgs pacemaker fi ;; esac info "Configuring services" chkconfig xinetd on service xinetd start &>/dev/null chkconfig corosync off &> /dev/null chkconfig heartbeat off &> /dev/null mkdir -p /etc/cluster info "Turning on core files" grep -q "unlimited" /etc/bashrc if [ $? = 1 ]; then sed -i.sed "s/bashrc/bashrc\\\nulimit\ -c\ unlimited/g" /etc/bashrc fi if [ $CMAN = 1 ]; then grep -q "logger" /etc/init.d/cman if [ $? = 1 ]; then info "Turning on CMAN init-script logging" sed -i.sed "s/function=/logger\ -p\ daemon.info\ cman\ init\ \\\$1\\\nfunction=/g" /etc/init.d/cman fi sed -i.sed "s/.*CMAN_QUORUM_TIMEOUT=.*/CMAN_QUORUM_TIMEOUT=0/g" /etc/sysconfig/cman fi END function create_hb_config() { cat <<-END >/tmp/lha.$$ auth 1 1 crc END printf "%-10s Installing authkeys\n" ${host} scp -q /tmp/lha.$$ root@${host}:/etc/ha.d/authkeys ssh -l root ${host} -- chmod 600 /etc/ha.d/authkeys cat <<-END >/tmp/lha.$$ traditional_compression off compression bz2 realtime yes conn_logd_time 120 coredumps true udpport $cs_port$dsh_group bcast eth0 autojoin any logfacility daemon crm respawn # 8-node version debug 0 keepalive 1 warntime 6 deadtime 10 initdead 15 END printf "%-10s Installing ha.cf\n" ${host} scp -q /tmp/lha.$$ root@${host}:/etc/ha.d/ha.cf } function patch_cs_config() { test $num_hosts != 2 two_node=$? priority="info" if [ $do_debug = 1 ]; then priority="debug" fi ssh -l root ${host} -- sed -i.sed "s/.*mcastaddr:.*/mcastaddr:\ 226.94.1.1/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/.*mcastport:.*/mcastport:\ $cs_port$dsh_group/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/.*bindnetaddr:.*/bindnetaddr:\ $ip/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/.*syslog_facility:.*/syslog_facility:\ daemon/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/.*logfile_priority:.*/logfile_priority:\ $priority/g" $cs_conf if [ ! -z $token ]; then ssh -l root ${host} -- sed -i.sed "s/.*token:.*/token:\ $token/g" $cs_conf fi if [ ! -z $consensus ]; then ssh -l root ${host} -- sed -i.sed "s/.*consensus:.*/consensus:\ $consensus/g" $cs_conf fi if [ ! -z $join ]; then ssh -l root ${host} -- sed -i.sed "s/^join:.*/join:\ $join/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/\\\Wjoin:.*/join:\ $join/g" $cs_conf fi if [ $plugin_ver -ge 0 ]; then ssh -l root ${host} -- grep -q "name: pacemaker" $cs_conf 2>&1 > /dev/null if [ $? = 0 ]; then ssh -l root ${host} -- sed -i.sed "s/.*ver:.*/ver:\ $plugin_ver/g" $cs_conf else printf "%-10s Wrong quorum provider: installing $cs_conf for plugin v${plugin_ver} instead\n" ${host} create_cs_config fi elif [ $CMAN = 1 ]; then ssh -l root ${host} -- grep -q "quorum_cman" $cs_conf 2>&1 > /dev/null if [ $? = 0 ]; then ssh -l root ${host} -- sed -i.sed "s/\\\Wexpected_votes:.*/expected_votes:\ $num_hosts/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/\\\Wtwo_node:.*/two_node:\ $two_node/g" $cs_conf else printf "%-10s Wrong quorum provider: installing $cs_conf for cman instead\n" ${host} create_cs_config fi else ssh -l root ${host} -- grep -q "corosync_votequorum" $cs_conf 2>&1 > /dev/null if [ $? = 0 ]; then ssh -l root ${host} -- sed -i.sed "s/\\\Wexpected_votes:.*/expected_votes:\ $num_hosts/g" $cs_conf ssh -l root ${host} -- sed -i.sed "s/\\\Wtwo_node:.*/two_node:\ $two_node/g" $cs_conf else printf "%-10s Wrong quorum provider: installing $cs_conf for corosync instead\n" ${host} create_cs_config fi fi } function create_cs_config() { cs_tmp=/tmp/cs_conf.$$ test $num_hosts != 2 two_node=$? # Base config priority="info" if [ $do_debug = 1 ]; then priority="debug" fi cat <<-END >$cs_tmp # Please read the corosync.conf.5 manual page totem { version: 2 # cypto_cipher and crypto_hash: Used for mutual node authentication. # If you choose to enable this, then do remember to create a shared # secret with "corosync-keygen". crypto_cipher: none crypto_hash: none # Assign a fixed node id nodeid: $id # Disable encryption secauth: off transport: $transport inaddr_any: $inaddr_any # interface: define at least one interface to communicate # over. If you define more than one interface stanza, you must # also set rrp_mode. interface { # Rings must be consecutively numbered, starting at 0. ringnumber: 0 # This is normally the *network* address of the # interface to bind to. This ensures that you can use # identical instances of this configuration file # across all your cluster nodes, without having to # modify this option. bindnetaddr: $ip # However, if you have multiple physical network # interfaces configured for the same subnet, then the # network address alone is not sufficient to identify # the interface Corosync should bind to. In that case, # configure the *host* address of the interface # instead: # bindnetaddr: 192.168.1.1 # When selecting a multicast address, consider RFC # 2365 (which, among other things, specifies that # 239.255.x.x addresses are left to the discretion of # the network administrator). Do not reuse multicast # addresses across multiple Corosync clusters sharing # the same network. # Corosync uses the port you specify here for UDP # messaging, and also the immediately preceding # port. Thus if you set this to 5405, Corosync sends # messages over UDP ports 5405 and 5404. mcastport: $cs_port$dsh_group # Time-to-live for cluster communication packets. The # number of hops (routers) that this ring will allow # itself to pass. Note that multicast routing must be # specifically enabled on most network routers. ttl: 1 mcastaddr: 226.94.1.1 } } logging { debug: off fileline: off to_syslog: yes to_stderr: no syslog_facility: daemon timestamp: on to_logfile: yes logfile: /var/log/corosync.log logfile_priority: $priority } amf { mode: disabled } END # Corosync Variant if [ $plugin_ver -ge 0 ]; then cat <<-END >>$cs_tmp service { name: pacemaker ver: $plugin_ver } END elif [ $CMAN = 1 ]; then cat <<-END >>$cs_tmp cluster { name: $cluster clusternodes { END for peer in $host_list; do p_name=`name_for_node $peer` p_id=`id_for_node $peer` cat <<-END >>$cs_tmp clusternode { votes: 1 nodeid: $p_id name: $p_name } END done cat <<-END >>$cs_tmp } cman { expected_votes: $num_hosts cluster_id: $dsh_group nodename: $cs_short_host two_node: $two_node max_queued: 10 } } service { name: corosync_cman ver: 0 } quorum { provider: quorum_cman } END elif [ $nodelist = 1 ]; then cat <<-END >>$cs_tmp nodelist { END for peer in $host_list; do p_name=`name_for_node $peer` p_id=`id_for_node $peer` p_ip=`ip_for_node $peer` cat <<-END >>$cs_tmp node { ring0_addr: $p_ip nodeid: $p_id quorum_votes: 1 name: $peer } END done cat <<-END >>$cs_tmp } quorum { provider: corosync_votequorum expected_votes: $num_hosts votes: 1 two_node: $two_node wait_for_all: 0 last_man_standing: 0 auto_tie_breaker: 0 } END else cat <<-END >>$cs_tmp quorum { provider: corosync_votequorum expected_votes: $num_hosts votes: 1 two_node: $two_node wait_for_all: 0 last_man_standing: 0 auto_tie_breaker: 0 } END fi scp -q $cs_tmp root@${host}:$cs_conf rm -f $cs_tmp } function create_cman_config() { cs_tmp=/tmp/cs_conf.$$ cat <<-END >$cs_tmp END lpc=1 for h in $host_list; do short_h=`name_for_node $h` cat <<-END >>$cs_tmp END lpc=`expr $lpc + 1` done test $num_hosts != 2 two_node=$? extra="" if [ $two_node = 1 ]; then extra="\n " fi cat <<-END >>$cs_tmp $extra END scp -q $cs_tmp root@${host}:$cs_conf rm -f $cs_tmp } for host in $host_list; do echo "" echo "" echo "* Configuring $host" cs_short_host=`name_for_node $host` ip=`ip_for_node $host` id=`id_for_node $host` echo $ip | grep -qis NXDOMAIN if [ $? = 0 ]; then echo "Couldn't find resolve $host to an IP address" exit 1 fi if [ `uname -n` = $host ]; then bash $init else cat $init | ssh -l root -T $host -- "cat > $init; bash $init" fi if [ "x$fence_conf" != x ]; then if [ -e $fence_conf ]; then scp $fence_conf root@${host}:$fence_conf fi fi if [ $ETCHOSTS = 1 ]; then scp /etc/hosts root@${host}:/etc/hosts fi if [ $pcmk_ver = 10 ]; then scp /etc/hosts root@${host}:/etc/hosts scp ~/.ssh/id_dsa.suse root@${host}:.ssh/id_dsa scp ~/.ssh/known_hosts root@${host}:.ssh/known_hosts fi if [ $do_heartbeat = 1 ]; then create_hb_config ${host} elif [ $CMAN = 1 ]; then create_cman_config printf "%-10s Installed $cs_conf\n" ${host}: else ssh -l root ${host} -- grep -q "token:" $cs_conf 2>&1 > /dev/null new_config=$? new_config=1 if [ $new_config = 0 ]; then printf "%-10s Updating $cs_conf\n" ${host}: patch_cs_config else printf "%-10s Installing $cs_conf\n" ${host}: create_cs_config fi fi done pacemaker-master/extra/pcmk_snmp_helper.sh000066400000000000000000000046551217637305600213300ustar00rootroot00000000000000#!/bin/bash # # Copyright (C) 2013 Florian CROUZAT # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public # License as published by the Free Software Foundation; either # version 2 of the License, or (at your option) any later version. # # This software is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA # Resources: # crm ra meta ocf:pacemaker:ClusterMon # man 8 crm_mon # Sample configuration # ================================ # primitive ClusterMon ocf:pacemaker:ClusterMon \ # params user="root" update="30" extra_options="-E /path/to/pcmk_snmp_helper.sh -e 192.168.1.2" \ # op monitor on-fail="restart" interval="10" # # clone ClusterMon-clone ClusterMon \ # meta target-role="Started" # ================================ # The external agent is fed with environment variables allowing us to know # what transition happened and to react accordingly: # http://clusterlabs.org/doc/en-US/Pacemaker/1.1-crmsh/html/Pacemaker_Explained/s-notification-external.html # Generates SNMP alerts for any failing monitor operation # OR # for any operations (even successful) that are not a monitor if [[ ${CRM_notify_rc} != 0 && ${CRM_notify_task} == "monitor" ]] || [[ ${CRM_notify_task} != "monitor" ]] ; then # This trap is compliant with PACEMAKER MIB # https://github.com/ClusterLabs/pacemaker/blob/master/extra/PCMK-MIB.txt /usr/bin/snmptrap -v 2c -c public ${CRM_notify_recipient} "" PACEMAKER-MIB::pacemakerNotification \ PACEMAKER-MIB::pacemakerNotificationNode s "${CRM_notify_node}" \ PACEMAKER-MIB::pacemakerNotificationResource s "${CRM_notify_rsc}" \ PACEMAKER-MIB::pacemakerNotificationOperation s "${CRM_notify_task}" \ PACEMAKER-MIB::pacemakerNotificationDescription s "${CRM_notify_desc}" \ PACEMAKER-MIB::pacemakerNotificationStatus i "${CRM_notify_status}" \ PACEMAKER-MIB::pacemakerNotificationReturnCode i ${CRM_notify_rc} \ PACEMAKER-MIB::pacemakerNotificationTargetReturnCode i ${CRM_notify_target_rc} && exit 0 || exit 1 fi exit 0 pacemaker-master/extra/resources/000077500000000000000000000000001217637305600174465ustar00rootroot00000000000000pacemaker-master/extra/resources/ClusterMon000066400000000000000000000157721217637305600215000ustar00rootroot00000000000000#!/bin/sh # # # ClusterMon OCF RA. # Starts crm_mon in background which logs cluster status as # html to the specified file. # # Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Bre # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # # OCF instance parameters: # OCF_RESKEY_user # OCF_RESKEY_pidfile # OCF_RESKEY_update # OCF_RESKEY_extra_options # OCF_RESKEY_htmlfile ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 1.0 This is a ClusterMon Resource Agent. It outputs current cluster status to the html. Runs crm_mon in the background, recording the cluster status to an HTML file The user we want to run crm_mon as The user we want to run crm_mon as How frequently should we update the cluster status Update interval Additional options to pass to crm_mon. Eg. -n -r Extra options PID file location to ensure only one instance is running PID file Location to write HTML output to. HTML output END } ####################################################################### ClusterMon_usage() { cat </dev/null 2>&1; rc=$? case $rc in 0) exit $OCF_SUCCESS;; 1) exit $OCF_NOT_RUNNING;; *) exit $OCF_ERR_GENERIC;; esac fi fi exit $OCF_NOT_RUNNING } CheckOptions() { while getopts Vi:nrh:cdp: OPTION do case $OPTION in V|n|r|c|d);; i) ocf_log warn "You should not have specified the -i option, since OCF_RESKEY_update is set already!";; h) ocf_log warn "You should not have specified the -h option, since OCF_RESKEY_htmlfile is set already!";; p) ocf_log warn "You should not have specified the -p option, since OCF_RESKEY_pidfile is set already!";; *) return $OCF_ERR_ARGS;; esac done if [ $? -ne 0 ]; then return $OCF_ERR_ARGS fi # We should have eaten all options at this stage shift $(($OPTIND -1)) if [ $# -gt 0 ]; then false else true fi } ClusterMon_validate() { # Existence of the user if [ ! -z $OCF_RESKEY_user ]; then getent passwd "$OCF_RESKEY_user" >/dev/null if [ $? -eq 0 ]; then : Yes, user exists. We can further check his permission on crm_mon if necessary else ocf_log err "The user $OCF_RESKEY_user does not exist!" exit $OCF_ERR_ARGS fi fi # Pidfile better be an absolute path case $OCF_RESKEY_pidfile in /*) ;; *) ocf_log warn "You should have pidfile($OCF_RESKEY_pidfile) of absolute path!" ;; esac # Check the update interval if ocf_is_decimal "$OCF_RESKEY_update" && [ $OCF_RESKEY_update -gt 0 ]; then : else ocf_log err "Invalid update interval $OCF_RESKEY_update. It should be positive integer!" exit $OCF_ERR_ARGS fi if CheckOptions $OCF_RESKEY_extra_options; then : else ocf_log err "Invalid options $OCF_RESKEY_extra_options!" exit $OCF_ERR_ARGS fi # Htmlfile better be an absolute path case $OCF_RESKEY_htmlfile in /*) ;; *) ocf_log warn "You should have htmlfile($OCF_RESKEY_htmlfile) of absolute path!" ;; esac echo "Validate OK" return $OCF_SUCCESS } if [ $# -ne 1 ]; then ClusterMon_usage exit $OCF_ERR_ARGS fi : ${OCF_RESKEY_update:="15000"} : ${OCF_RESKEY_pidfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.pid"} : ${OCF_RESKEY_htmlfile:="/tmp/ClusterMon_${OCF_RESOURCE_INSTANCE}.html"} OCF_RESKEY_update=`expr $OCF_RESKEY_update / 1000` case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) ClusterMon_start ;; stop) ClusterMon_stop ;; monitor) ClusterMon_monitor ;; validate-all) ClusterMon_validate ;; usage|help) ClusterMon_usage exit $OCF_SUCCESS ;; *) ClusterMon_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? pacemaker-master/extra/resources/Dummy000066400000000000000000000136501217637305600204710ustar00rootroot00000000000000#!/bin/sh # # # Dummy OCF RA. Does nothing but wait a few seconds, can be # configured to fail occassionally. # # Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Bre # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 1.0 This is a Dummy Resource Agent. It does absolutely nothing except keep track of whether its running or not. Its purpose in life is for testing and to serve as a template for RA writers. NB: Please pay attention to the timeouts specified in the actions section below. They should be meaningful for the kind of resource the agent manages. They should be the minimum advised timeouts, but they shouldn't/cannot cover _all_ possible resource instances. So, try to be neither overly generous nor too stingy, but moderate. The minimum timeouts should never be below 10 seconds. Example stateless resource agent Location to store the resource state in. State file Fake attribute that can be changed to cause a reload Fake attribute that can be changed to cause a reload Number of seconds to sleep during operations. This can be used to test how the cluster reacts to operation timeouts. Operation sleep duration in seconds. END } ####################################################################### # don't exit on TERM, to test that lrmd makes sure that we do exit trap sigterm_handler TERM sigterm_handler() { ocf_log info "They use TERM to bring us down. No such luck." return } dummy_usage() { cat < 0.1 Systhem health agent that measures the CPU idling and updates the #health-cpu attribute. System health CPU usage Location to store the resource state in. State file Lower (!) limit of idle percentage to switch the health attribute to yellow. I.e. the #health-cpu will go yellow if the %idle of the CPU falls below 50%. Lower limit for yellow health attribute Lower (!) limit of idle percentage to switch the health attribute to red. I.e. the #health-cpu will go red if the %idle of the CPU falls below 10%. Lower limit for red health attribute END } ####################################################################### # don't exit on TERM, to test that lrmd makes sure that we do exit trap sigterm_handler TERM sigterm_handler() { ocf_log info "They use TERM to bring us down. No such luck." return } dummy_usage() { cat < 0.1 Systhem health agent that checks the S.M.A.R.T. status of the given drives and updates the #health-smart attribute. SMART health status Location to store the resource state in. State file The drive(s) to check as a SPACE separated list. Enter the full path to the device, e.g. "/dev/sda". Drives to check The device type(s) to assume for the drive(s) being tested as a SPACE separated list. Device types Lower limit of the temperature in deg C of the drive(s). Below this limit the status will be red. Lower limit for the red smart attribute Upper limit of the temperature if deg C of the drives(s). If the drive reports a temperature higher than this value the status of #health-smart will be red. Upper limit for red smart attribute Number of deg C below/above the upper/lower temp limits at which point the status of #health-smart will change to yellow. Deg C below/above the upper limits for yellow smart attribute END } ####################################################################### check_temperature() { if [ $1 -lt ${lower_red_limit} ] ; then ocf_log info "Drive ${DRIVE} ${DEVICE} too cold: ${1} C" $ATTRDUP -n "#health-smart" -U "red" -d "5s" return 1 fi if [ $1 -gt ${upper_red_limit} ] ; then ocf_log info "Drive ${DRIVE} ${DEVICE} too hot: ${1} C" $ATTRDUP -n "#health-smart" -U "red" -d "5s" return 1 fi if [ $1 -lt ${lower_yellow_limit} ] ; then ocf_log info "Drive ${DRIVE} ${DEVICE} quite cold: ${1} C" $ATTRDUP -n "#health-smart" -U "yellow" -d "5s" return 1 fi if [ $1 -gt ${upper_yellow_limit} ] ; then ocf_log info "Drive ${DRIVE} ${DEVICE} quite hot: ${1} C" $ATTRDUP -n "#health-smart" -U "yellow" -d "5s" return 1 fi } init_smart() { #Set temperature defaults if [ -z ${OCF_RESKEY_temp_warning} ]; then yellow_threshold=5 else yellow_threshold=${OCF_RESKEY_temp_warning} fi if [ -z ${OCF_RESKEY_temp_lower_limit} ] ; then lower_red_limit=0 else lower_red_limit=${OCF_RESKEY_temp_lower_limit} fi lower_yellow_limit=$((${lower_red_limit}+${yellow_threshold})) if [ -z ${OCF_RESKEY_temp_upper_limit} ] ; then upper_red_limit=60 else upper_red_limit=${OCF_RESKEY_temp_upper_limit} fi upper_yellow_limit=$((${upper_red_limit}-${yellow_threshold})) #Set disk defaults if [ -z ${OCF_RESKEY_drives} ] ; then DRIVES="/dev/sda" else DRIVES=${OCF_RESKEY_drives} fi #Test for presence of smartctl if [ ! -x $SMARTCTL ] ; then ocf_log err "${SMARTCTL} not installed." exit $OCF_ERR_INSTALLED fi for DRIVE in $DRIVES; do if [ "${OCF_RESKEY_devices}" ]; then for DEVICE in ${OCF_RESKEY_devices}; do $SMARTCTL -d $DEVICE -i ${DRIVE} | grep -q "SMART support is: Enabled" if [ $? -ne "0" ] ; then ocf_log err "S.M.A.R.T. not enabled for drive "${DRIVE} exit $OCF_ERR_INSTALLED fi done else $SMARTCTL -i ${DRIVE} | grep -q "SMART support is: Enabled" if [ $? -ne "0" ] ; then ocf_log err "S.M.A.R.T. not enabled for drive "${DRIVE} exit $OCF_ERR_INSTALLED fi fi done } HealthSMART_usage() { cat < $@ ocf_pacemaker_%.7: %.xml $(XSLTPROC) $(MANPAGE_XSLT) $(top_builddir)/extra/resources/$< endif clean-generic: rm -f $(man7_MANS) $(ocf_SCRIPTS:%=%.xml) *~ pacemaker-master/extra/resources/Stateful000066400000000000000000000123611217637305600211630ustar00rootroot00000000000000#!/bin/sh # # # Example of a stateful OCF Resource Agent. # # Copyright (c) 2006 Andrew Beekhof # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} CRM_MASTER="${HA_SBIN_DIR}/crm_master -l reboot" ####################################################################### meta_data() { cat < 1.0 This is an example resource agent that impliments two states Example stateful resource agent Location to store the resource state in State file END exit $OCF_SUCCESS } ####################################################################### stateful_usage() { cat < ${OCF_RESKEY_state} } stateful_check_state() { target=$1 if [ -f ${OCF_RESKEY_state} ]; then state=`cat ${OCF_RESKEY_state}` if [ "x$target" = "x$state" ]; then return 0 fi else if [ "x$target" = "x" ]; then return 0 fi fi return 1 } stateful_start() { stateful_check_state master if [ $? = 0 ]; then # CRM Error - Should never happen return $OCF_RUNNING_MASTER fi stateful_update slave $CRM_MASTER -v ${slave_score} return 0 } stateful_demote() { stateful_check_state if [ $? = 0 ]; then # CRM Error - Should never happen return $OCF_NOT_RUNNING fi stateful_update slave $CRM_MASTER -v ${slave_score} return 0 } stateful_promote() { stateful_check_state if [ $? = 0 ]; then return $OCF_NOT_RUNNING fi stateful_update master $CRM_MASTER -v ${master_score} return 0 } stateful_stop() { $CRM_MASTER -D stateful_check_state master if [ $? = 0 ]; then # CRM Error - Should never happen return $OCF_RUNNING_MASTER fi if [ -f ${OCF_RESKEY_state} ]; then rm ${OCF_RESKEY_state} fi return 0 } stateful_monitor() { stateful_check_state "master" if [ $? = 0 ]; then if [ $OCF_RESKEY_CRM_meta_interval = 0 ]; then # Restore the master setting during probes $CRM_MASTER -v ${master_score} fi return $OCF_RUNNING_MASTER fi stateful_check_state "slave" if [ $? = 0 ]; then if [ $OCF_RESKEY_CRM_meta_interval = 0 ]; then # Restore the master setting during probes $CRM_MASTER -v ${slave_score} fi return $OCF_SUCCESS fi if [ -f ${OCF_RESKEY_state} ]; then echo "File '${OCF_RESKEY_state}' exists but contains unexpected contents" cat ${OCF_RESKEY_state} return $OCF_ERR_GENERIC fi return 7 } stateful_validate() { exit $OCF_SUCCESS } : ${slave_score=5} : ${master_score=10} : ${OCF_RESKEY_CRM_meta_interval=0} : ${OCF_RESKEY_CRM_meta_globally_unique:="true"} if [ "x$OCF_RESKEY_state" = "x" ]; then if [ ${OCF_RESKEY_CRM_meta_globally_unique} = "false" ]; then state="${HA_VARRUN}/Stateful-${OCF_RESOURCE_INSTANCE}.state" # Strip off the trailing clone marker OCF_RESKEY_state=`echo $state | sed s/:[0-9][0-9]*\.state/.state/` else OCF_RESKEY_state="${HA_VARRUN}/Stateful-${OCF_RESOURCE_INSTANCE}.state" fi fi case $__OCF_ACTION in meta-data) meta_data;; start) stateful_start;; promote) stateful_promote;; demote) stateful_demote;; stop) stateful_stop;; monitor) stateful_monitor;; validate-all) stateful_validate;; usage|help) stateful_usage $OCF_SUCCESS;; *) stateful_usage $OCF_ERR_UNIMPLEMENTED;; esac exit $? pacemaker-master/extra/resources/SysInfo000066400000000000000000000235671217637305600210000ustar00rootroot00000000000000#!/bin/sh # # # SysInfo OCF Resource Agent # It records (in the CIB) various attributes of a node # # Copyright (c) 2004 SUSE LINUX AG, Lars Marowsky-Bre # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 1.0 This is a SysInfo Resource Agent. It records (in the CIB) various attributes of a node Sample Linux output: arch: i686 os: Linux-2.4.26-gentoo-r14 free_swap: 1999 cpu_info: Intel(R) Celeron(R) CPU 2.40GHz cpu_speed: 4771.02 cpu_cores: 1 cpu_load: 0.00 ram_total: 513 ram_free: 117 root_free: 2.4 Sample Darwin output: arch: i386 os: Darwin-8.6.2 cpu_info: Intel Core Duo cpu_speed: 2.16 cpu_cores: 2 cpu_load: 0.18 ram_total: 2016 ram_free: 787 root_free: 13 Units: free_swap: Mb ram_*: Mb cpu_speed (Linux): bogomips cpu_speed (Darwin): Ghz *_free: GB (or user-defined: disk_unit) SysInfo resource agent PID file PID file Interval to allow values to stabilize Dampening Delay Filesystems or Paths to be queried for free disk space as a SPACE separated list - e.g "/dev/sda1 /tmp". Results will be written to an attribute with leading slashes removed, and other slashes replaced with underscore, and the word 'free' appended - e.g for /dev/sda1 it would be 'dev_sda1_free'. Note: The root filesystem '/' is always queried to an attribute named 'root_free' List of Filesytems/Paths to query for free disk space Unit to report disk free space in. Can be one of: B, K, M, G, T, P (case-insensitive) Unit to report disk free space in The amount of free space required in monitored disks. If any of the monitored disks has less than this amount of free space, all resources will move away from the node. Set the node-health-strategy property appropriately for this to take effect. If the unit is not specified, it defaults to disk_unit. minimum disk free space required END } ####################################################################### UpdateStat() { name=$1; shift value="$*" printf "%s:\t%s\n" "$name" "$value" ${HA_SBIN_DIR}/attrd_updater ${OCF_RESKEY_delay} -S status -n $name -v "$value" } SysInfoStats() { UpdateStat arch "`uname -m`" UpdateStat os "`uname -s`-`uname -r`" case `uname -s` in "Darwin") mem=`top -l 1 | grep Mem: | awk '{print $10}'` mem_used=`top -l 1 | grep Mem: | awk '{print $8}'` mem=`SysInfo_mem_units $mem` mem_used=`SysInfo_mem_units $mem_used` mem_total=`expr $mem_used + $mem` cpu_type=`system_profiler SPHardwareDataType | awk -F': ' '/^CPU Type/ {print $2; exit}'` cpu_speed=`system_profiler SPHardwareDataType | awk -F': ' '/^CPU Speed/ {print $2; exit}'` cpu_cores=`system_profiler SPHardwareDataType | awk -F': ' '/^Number Of/ {print $2; exit}'` ;; "Linux") if [ -f /proc/cpuinfo ]; then cpu_type=`awk -F': ' '/model name/ {print $2; exit}' /proc/cpuinfo` cpu_speed=`awk -F': ' '/bogomips/ {print $2; exit}' /proc/cpuinfo` cpu_cores=`grep "^processor" /proc/cpuinfo | wc -l` fi if [ -f /proc/meminfo ]; then # meminfo results are in kB mem=`grep "SwapFree" /proc/meminfo | awk '{print $2"k"}'` if [ ! -z $mem ]; then UpdateStat free_swap `SysInfo_mem_units $mem` fi mem=`grep "Inactive" /proc/meminfo | awk '{print $2"k"}'` mem_total=`grep "MemTotal" /proc/meminfo | awk '{print $2"k"}'` else mem=`top -n 1 | grep Mem: | awk '{print $7}'` fi ;; *) esac if [ x != x"$cpu_type" ]; then UpdateStat cpu_info "$cpu_type" fi if [ x != x"$cpu_speed" ]; then UpdateStat cpu_speed "$cpu_speed" fi if [ x != x"$cpu_cores" ]; then UpdateStat cpu_cores "$cpu_cores" fi loads=`uptime` load15=`echo ${loads} | awk '{print $10}'` UpdateStat cpu_load $load15 if [ ! -z "$mem" ]; then # Massage the memory values UpdateStat ram_total `SysInfo_mem_units $mem_total` UpdateStat ram_free `SysInfo_mem_units $mem` fi # Portability notes: # o tail: explicit "-n" not available in Solaris; instead simplify # 'tail -n ' to the equivalent 'tail -'. for disk in "/" ${OCF_RESKEY_disks}; do unset disk_free disk_label disk_free=`df -h ${disk} | tail -1 | awk '{print $4}'` if [ x != x"$disk_free" ]; then disk_label=`echo $disk | sed -e 's#^/$#root#;s#^/*##;s#/#_#g'` disk_free=`SysInfo_hdd_units $disk_free` UpdateStat ${disk_label}_free $disk_free if [ -n "$MIN_FREE" ]; then test $disk_free -le $MIN_FREE && UpdateStat "#health_disk" "red" fi fi done } SysInfo_megabytes() { # Size in megabytes echo $1 | awk '{ n = $0; sub(/[0-9]+(.[0-9]+)?/, ""); split(n, a, $0); n=a[1]; if ($0 == "G" || $0 == "") { n *= 1024 }; if (/^kB?/) { n /= 1024 }; printf "%d\n", n }' # Intentionaly round to an integer } SysInfo_mem_units() { mem=$1 if [ -z $1 ]; then return fi mem=$(SysInfo_megabytes "$1") # Round to the next multiple of 50 r=$(($mem % 50)) if [ $r != 0 ]; then mem=$(($mem + 50 - $r)) fi echo $mem } SysInfo_hdd_units() { # Defauts to size in gigabytes case $OCF_RESKEY_disk_unit in [Pp]) echo $(($(SysInfo_megabytes "$1") / 1024 / 1024 / 1024));; [Tt]) echo $(($(SysInfo_megabytes "$1") / 1024 / 1024));; [Gg]) echo $(($(SysInfo_megabytes "$1") / 1024));; [Mm]) echo $(SysInfo_megabytes "$1");; [Kk]) echo $(($(SysInfo_megabytes "$1") * 1024));; [Bb]) echo $(($(SysInfo_megabytes "$1") * 1024 * 1024));; *) ocf_log err "Invalid value for disk_unit: $OCF_RESKEY_disk_unit" echo $(($(SysInfo_megabytes "$1") / 1024));; esac } SysInfo_usage() { cat < $OCF_RESKEY_pidfile SysInfoStats exit $OCF_SUCCESS } SysInfo_stop() { rm $OCF_RESKEY_pidfile exit $OCF_SUCCESS } SysInfo_monitor() { if [ -f $OCF_RESKEY_pidfile ]; then clone=`cat $OCF_RESKEY_pidfile` fi if [ x$clone = x ]; then rm $OCF_RESKEY_pidfile exit $OCF_NOT_RUNNING elif [ $clone = $OCF_RESKEY_clone ]; then SysInfoStats exit $OCF_SUCCESS elif [ x$OCF_RESKEY_CRM_meta_globally_unique = xtrue -o x$OCF_RESKEY_CRM_meta_globally_unique = xTrue -o x$OCF_RESKEY_CRM_meta_globally_unique = xyes -o x$OCF_RESKEY_CRM_meta_globally_unique = xYes ]; then SysInfoStats exit $OCF_SUCCESS fi exit $OCF_NOT_RUNNING } SysInfo_validate() { return $OCF_SUCCESS } if [ $# -ne 1 ]; then SysInfo_usage exit $OCF_ERR_ARGS fi : ${OCF_RESKEY_pidfile:="$HA_VARRUN/SysInfo-${OCF_RESOURCE_INSTANCE}"} : ${OCF_RESKEY_disk_unit:="G"} : ${OCF_RESKEY_clone:="0"} if [ x != x${OCF_RESKEY_delay} ]; then OCF_RESKEY_delay="-d ${OCF_RESKEY_delay}" fi MIN_FREE="" if [ -n "$OCF_RESKEY_min_disk_free" ]; then ocf_is_decimal "$OCF_RESKEY_min_disk_free" && OCF_RESKEY_min_disk_free="$OCF_RESKEY_min_disk_free$OCF_RESKEY_disk_unit" MIN_FREE=`SysInfo_hdd_units $OCF_RESKEY_min_disk_free` fi case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) SysInfo_start ;; stop) SysInfo_stop ;; monitor) SysInfo_monitor ;; validate-all) SysInfo_validate ;; usage|help) SysInfo_usage exit $OCF_SUCCESS ;; *) SysInfo_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? pacemaker-master/extra/resources/SystemHealth000066400000000000000000000135671217637305600220170ustar00rootroot00000000000000#!/bin/sh # # SystemHealth OCF RA. # # Copyright (c) 2009 International Business Machines (IBM), Mark Hamzy # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 0.1 This is a SystemHealth Resource Agent. It is used to monitor the health of a system via IPMI. SystemHealth resource agent END } ####################################################################### SystemHealth_usage() { cat < /dev/null 2>&1 RC=$? if [ $RC != 0 ]; then ocf_log err "servicelog_notify not found!" return $OCF_ERR_INSTALLED fi which ipmiservicelogd > /dev/null 2>&1 RC=$? if [ $RC != 0 ]; then ocf_log err "ipmiservicelogd not found!" return $OCF_ERR_INSTALLED fi test -x $OCF_RESKEY_program RC=$? if [ $RC != 0 ]; then ocf_log err "$OCF_RESKEY_program not found!" return $OCF_ERR_INSTALLED fi } SystemHealth_start() { SystemHealth_monitor RC=$? if [ $RC = $OCF_ERR_GENERIC ]; then return $OCF_ERR_GENERIC elif [ $RC = $OCF_SUCCESS ]; then ocf_log warn "starting an already started SystemHealth" return $OCF_SUCCESS fi service ipmi start > /dev/null 2>&1 RC=$? if [ $RC != 0 ]; then ocf_log err "Could not start service IPMI!" return $OCF_ERR_GENERIC fi ipmiservicelogd smi 0 > /dev/null 2>&1 & RC=$? if [ $RC != 0 ]; then ocf_log err "Could not start ipmiservicelogd!" return $OCF_ERR_GENERIC fi servicelog_notify --add --type=EVENT --command="$OCF_RESKEY_program" --method=num_arg --match='type=4' > /dev/null 2>&1 RC=$? if [ $RC != 0 ]; then ocf_log err "servicelog_notify register handler failed!" return $OCF_ERR_GENERIC fi return $OCF_SUCCESS } SystemHealth_stop() { SystemHealth_monitor RC=$? if [ $RC = $OCF_ERR_GENERIC ]; then return $OCF_ERR_GENERIC elif [ $RC = $OCF_SUCCESS ]; then killall ipmiservicelogd RC1=$? if [ $RC1 != 0 ]; then ocf_log err "Could not stop ipmiservicelogd!" fi servicelog_notify --remove --command="$OCF_RESKEY_program" > /dev/null 2>&1 RC2=$? if [ $RC2 != 0 ]; then ocf_log err "servicelog_notify remove handler failed!" fi if [ $RC1 = 0 -a $RC2 = 0 ]; then return $OCF_SUCCESS else return $OCF_ERR_GENERIC fi elif [ $RC = $OCF_NOT_RUNNING ]; then ocf_log warn "stopping an already stopped SystemHealth" return $OCF_SUCCESS else ocf_log err "SystemHealth_stop: should not be here!" return $OCF_ERR_GENERIC fi } SystemHealth_monitor() { # Monitor _MUST!_ differentiate correctly between running # (SUCCESS), failed (ERROR) or _cleanly_ stopped (NOT RUNNING). # That is THREE states, not just yes/no. if [ ! -f /var/run/ipmiservicelogd.pid0 ]; then ocf_log debug "ipmiservicelogd is not running!" return $OCF_NOT_RUNNING fi ps -p `cat /var/run/ipmiservicelogd.pid0` > /dev/null 2>&1 RC=$? if [ $RC != 0 ]; then ocf_log debug "ipmiservicelogd's pid `cat /var/run/ipmiservicelogd.pid0` is not running!" rm /var/run/ipmiservicelogd.pid0 return $OCF_ERR_GENERIC fi servicelog_notify --list --command="$OCF_RESKEY_program" > /dev/null 2>&1 RC=$? if [ $RC = 0 ]; then return $OCF_SUCCESS else return $OCF_NOT_RUNNING fi } SystemHealth_validate() { SystemHealth_check_tools RC=$? if [ $RC != 0 ]; then return $RC fi return $OCF_SUCCESS } : ${OCF_RESKEY_program=/usr/sbin/notifyServicelogEvent} case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; usage|help) SystemHealth_usage exit $OCF_SUCCESS ;; esac SystemHealth_check_tools RC=$? if [ $RC != 0 ]; then case $__OCF_ACTION in stop) exit $OCF_SUCCESS;; *) exit $RC;; esac fi case $__OCF_ACTION in start) SystemHealth_start;; stop) SystemHealth_stop;; monitor) SystemHealth_monitor;; reload) ocf_log info "Reloading..." SystemHealth_start ;; validate-all) ;; *) SystemHealth_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac rc=$? ocf_log debug "${OCF_RESOURCE_INSTANCE} $__OCF_ACTION : $rc" exit $rc pacemaker-master/extra/resources/controld000066400000000000000000000144421217637305600212220ustar00rootroot00000000000000#!/bin/sh # # Resource Agent for managing the DLM controld process. # # Copyright (c) 2009 Novell, Inc # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 1.0 This Resource Agent can control the dlm_controld services needed by ocfs2. It assumes that dlm_controld is in your default PATH. In most cases, it should be run as an anonymous clone. DLM Agent for OCFS2 Any additional options to start the dlm_controld service with DLM Options The location where configfs is or should be mounted Location of configfs The daemon to start - supports gfs_controld(.pcmk) and dlm_controld(.pcmk) The daemon to start END } ####################################################################### controld_usage() { cat < /dev/null if [ $? != 0 ]; then mount -t configfs none $OCF_RESKEY_configdir fi if [ ! -e $OCF_RESKEY_configdir/dlm ]; then modprobe dlm if [ ! -e $OCF_RESKEY_configdir/dlm ]; then ocf_log err "$OCF_RESKEY_configdir/dlm not available" return $OCF_NOT_INSTALLED fi fi ${OCF_RESKEY_daemon} $OCF_RESKEY_args while true do sleep 1 controld_monitor; rc=$? case $rc in $OCF_SUCCESS) check_dir=/sys/kernel/config/dlm/cluster/comms if grep 1 $check_dir/*/local >/dev/null 2>&1; then return $OCF_SUCCESS fi ;; $OCF_NOT_RUNNING) return $OCF_NOT_RUNNING ;; *) return $OCF_ERR_GENERIC ;; esac ocf_log debug "Waiting for ${OCF_RESKEY_daemon} to be ready" done } controld_stop() { controld_monitor; rc=$? if [ $rc = $OCF_NOT_RUNNING ]; then return $OCF_SUCCESS fi killall -TERM ${OCF_RESKEY_daemon}; rc=$? if [ $rc != 0 ]; then return $OCF_ERR_GENERIC fi rc=$OCF_SUCCESS while [ $rc = $OCF_SUCCESS ]; do controld_monitor; rc=$? sleep 1 done if [ $rc = $OCF_NOT_RUNNING ]; then rc=$OCF_SUCCESS fi return $rc } controld_monitor() { killall -0 ${OCF_RESKEY_daemon} >/dev/null 2>&1 ; rc=$? case $rc in 0) return $OCF_SUCCESS;; 1) return $OCF_NOT_RUNNING;; *) return $OCF_ERR_GENERIC;; esac } controld_validate() { check_binary ${OCF_RESKEY_daemon} case ${OCF_RESKEY_CRM_meta_globally_unique} in yes|Yes|true|True|1) ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the globally_unique=false meta attribute" exit $OCF_ERR_CONFIGURED ;; esac [ -d /var/run/cluster ] || mkdir /var/run/cluster return $OCF_SUCCESS } : ${OCF_RESKEY_sctp=false} : ${OCF_RESKEY_configdir=/sys/kernel/config} : ${OCF_RESKEY_CRM_meta_globally_unique:="false"} case "$HA_quorum_type" in cman|corosync) daemon_ext="";; *) daemon_ext=".pcmk";; esac case "$OCF_RESOURCE_INSTANCE" in *[gG][fF][sS]*) : ${OCF_RESKEY_args=-g 0} : ${OCF_RESKEY_daemon=gfs_controld${daemon_ext}} ;; *[dD][lL][mM]*) : ${OCF_RESKEY_args=-q 0} : ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}} ;; *) : ${OCF_RESKEY_args=-q 0} : ${OCF_RESKEY_daemon=dlm_controld${daemon_ext}} esac case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) controld_validate; controld_start;; stop) controld_stop;; monitor) controld_validate; controld_monitor;; validate-all) controld_validate;; usage|help) controld_usage exit $OCF_SUCCESS ;; *) controld_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac rc=$? exit $rc pacemaker-master/extra/resources/ifspeed000066400000000000000000000303761217637305600210210ustar00rootroot00000000000000#!/bin/bash # # OCF resource agent which monitors state of network interface and records it # as a value in CIB based on summ of speeds of its active (up, link detected, # not blocked) underlying interfaces. # # Copyright (c) 2011 Vladislav Bogdanov # Partially based on 'ping' RA by Andrew Beekhof # # OCF instance parameters: # OCF_RESKEY_name: name of attribute to set in CIB # OCF_RESKEY_iface: network interface to monitor # OCF_RESKEY_bridge_ports: if not null and OCF_RESKEY_iface is a bridge, list of # bridge ports to consider. # Default is all ports which have designated_bridge=root_id # OCF_RESKEY_weight_base: Relative weight of 1Gbps. This can be used to tune # value of resulting CIB attribute. # # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} # Defaults OCF_RESKEY_name_default="ifspeed" OCF_RESKEY_bridge_ports_default="detect" OCF_RESKEY_weight_base_default=1000 OCF_RESKEY_dampen_default=5 : ${OCF_RESKEY_name=${OCF_RESKEY_name_default}} : ${OCF_RESKEY_bridge_ports=${OCF_RESKEY_bridge_ports_default}} : ${OCF_RESKEY_weight_base=${OCF_RESKEY_weight_base_default}} : ${OCF_RESKEY_dampen=${OCF_RESKEY_dampen_default}} meta_data() { cat < 1.0 Every time the monitor action is run, this resource agent records (in the CIB) (relative) speed of network interface it monitors. This RA can monitor physical interfaces, bonds, bridges, vlans and (hopefully) any combination of them. Examples: *) Bridge on top of one 10Gbps interface (eth2) and 802.3ad bonding (bond0) built on two 1Gbps interfaces (eth0 and eth1). *) Active-backup bonding built on top of one physical interface and one vlan on another interface. For STP-enabled bridges this RA tries to some-how guess network topology and by default looks only on ports which are connected to upstream switch. This can be overriden by 'bridge_ports' parameter. Active interfaces in this case are those in "forwarding" state. For balancing bonds this RA summs speeds of underlying "up" slave interfaces (and applies coefficient 0.8 to result). For non-balancing bonds ('active-backup' and probably 'brodcast') only speed of now active slave is used. Network interface speed monitor The name of the attribute to set. This is the name to be used in the constraints. Attribute name Network interface to monitor. Network interface If not null and OCF_RESKEY_iface is a bridge, list of bridge ports to consider. Default is all ports which have designated_bridge=root_id. Bridge ports Relative weight of 1Gbps in interface speed. Can be used to tune how big attribute value will be. Weight of 1Gbps The time to wait (dampening) for further changes to occur. Dampening interval Log what have been done more verbosely. Verbose logging END } usage() { cat </dev/null)" if [ -z "$SP_OUT" ] then modprobe -s ocfs2_stack_user if [ $? != 0 ]; then ocf_log err "Could not load ocfs2_stack_user" return $OCF_ERR_INSTALLED fi fi SP_OUT="$(awk '/^'user'$/{print; exit}' "$LOADED_PLUGINS_FILE" 2>/dev/null)" if [ -z "$SP_OUT" ]; then ocf_log err "Switch to userspace stack unsuccessful" return $OCF_ERR_INSTALLED fi if [ -f "$CLUSTER_STACK_FILE" ]; then echo "$OCF_RESKEY_stack" >"$CLUSTER_STACK_FILE" if [ $? != 0 ]; then ocf_log err "Userspace stack '$OCF_RESKEY_stack' not supported" return $OCF_ERR_INSTALLED fi else ocf_log err "Switch to userspace stack not supported" return $OCF_ERR_INSTALLED fi driver_filesystem ocfs2; rc=$? if [ $rc != 0 ]; then modprobe -s ocfs2 if [ "$?" != 0 ]; then ocf_log err "Unable to load ocfs2 module" return $OCF_ERR_INSTALLED fi fi bringup_daemon return $? } o2cb_stop() { o2cb_monitor; rc=$? case $rc in $OCF_NOT_RUNNING) return $OCF_SUCCESS;; esac ocf_log info "Stopping $OCF_RESOURCE_INSTANCE" kill_daemon if [ $? != 0 ]; then ocf_log err "Unable to unload modules: the cluster is still online" return $OCF_ERR_GENERIC fi unload_filesystem ocfs2 if [ $? = 1 ]; then ocf_log err "Unable to unload ocfs2 module" return $OCF_ERR_GENERIC fi # If we can't find the stack glue, we have nothing to do. [ ! -e "$LOADED_PLUGINS_FILE" ] && return $OCF_SUCCESS while read plugin do unload_module "ocfs2_stack_${plugin}" if [ $? = 1 ]; then ocf_log err "Unable to unload ocfs2_stack_${plugin}" return $OCF_ERR_GENERIC fi done <"$LOADED_PLUGINS_FILE" unload_module "ocfs2_stackglue" if [ $? = 1 ]; then ocf_log err "Unable to unload ocfs2_stackglue" return $OCF_ERR_GENERIC fi # Dont unmount configfs - its always in use by libdlm } o2cb_monitor() { o2cb_validate # Assume that ocfs2_controld will terminate if any of the conditions below are met driver_filesystem configfs; rc=$? if [ $rc != 0 ]; then ocf_log info "configfs not loaded" return $OCF_NOT_RUNNING fi check_filesystem configfs "${OCF_RESKEY_configfs}"; rc=$? if [ $rc != 0 ]; then ocf_log info "configfs not mounted" return $OCF_NOT_RUNNING fi if [ ! -e "$LOADED_PLUGINS_FILE" ]; then ocf_log info "Stack glue driver not loaded" return $OCF_NOT_RUNNING fi grep user "$LOADED_PLUGINS_FILE" >/dev/null 2>&1; rc=$? if [ $rc != 0 ]; then ocf_log err "Wrong stack `cat $LOADED_PLUGINS_FILE`" return $OCF_ERR_INSTALLED fi driver_filesystem ocfs2; rc=$? if [ $rc != 0 ]; then ocf_log info "ocfs2 not loaded" return $OCF_NOT_RUNNING fi status_daemon return $? } o2cb_usage() { echo "usage: $0 {start|stop|monitor|validate-all|meta-data}" echo " Expects to have a fully populated OCF RA-compliant environment set." echo " In particualr, a value for OCF_ROOT" } o2cb_validate() { check_binary ${DAEMON} case ${OCF_RESKEY_CRM_meta_globally_unique} in yes|Yes|true|True|1) ocf_log err "$OCF_RESOURCE_INSTANCE must be configured with the globally_unique=false meta attribute" exit $OCF_ERR_CONFIGURED ;; esac return $OCF_SUCCESS } meta_data() { cat < 1.0 OCFS2 daemon resource agent This Resource Agent controls the userspace daemon needed by OCFS2. Location where sysfs is mounted Sysfs location Location where configfs is mounted Configfs location Which userspace stack to use. Known values: pcmk, cman Userspace stack Number of seconds to allow the control daemon to come up Daemon Timeout END } case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) o2cb_start ;; stop) o2cb_stop ;; monitor) o2cb_monitor ;; validate-all) o2cb_validate ;; usage|help) o2cb_usage exit $OCF_SUCCESS ;; *) o2cb_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? pacemaker-master/extra/resources/ping000077500000000000000000000241121217637305600203310ustar00rootroot00000000000000#!/bin/sh # # # Ping OCF RA that utilizes the system ping # # Copyright (c) 2009 Andrew Beekhof # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 1.0 Every time the monitor action is run, this resource agent records (in the CIB) the current number of ping nodes the host can connect to. It is essentially the same as pingd except that it uses the system ping tool to obtain the results. node connectivity PID file PID file The time to wait (dampening) further changes occur Dampening interval The name of the attributes to set. This is the name to be used in the constraints. Attribute name The number by which to multiply the number of connected ping nodes by Value multiplier The list of ping nodes to count. Host list Number of ping attempts, per host, before declaring it dead no. of ping attempts How long, in seconds, to wait before declaring a ping lost ping timeout in seconds A catch all for any other options that need to be passed to ping. Extra Options Resource is failed if the score is less than failure_score. Default never fails. failure_score Enables to use default attrd_updater verbose logging on every call. Verbose logging END } ####################################################################### ping_conditional_log() { level=$1; shift if [ ${OCF_RESKEY_debug} = "true" ]; then ocf_log $level "$*" fi } ping_usage() { cat <$f_out 2>$f_err; rc=$? active=`grep alive $f_out|wc -l` case $rc in 0) ;; 1) for h in `grep unreachable $f_out | awk '{print $1}'`; do ping_conditional_log warn "$h is inactive" done ;; *) ocf_log err "Unexpected result for '$cmd' $rc: `tr '\n' ';' < $f_err`" ;; esac rm -f $f_out $f_err return $active } ping_check() { active=0 for host in $OCF_RESKEY_host_list; do p_exe=ping case `uname` in Linux) p_args="-n -q -W $OCF_RESKEY_timeout -c $OCF_RESKEY_attempts";; Darwin) p_args="-n -q -t $OCF_RESKEY_timeout -c $OCF_RESKEY_attempts -o";; *) ocf_log err "Unknown host type: `uname`"; exit $OCF_ERR_INSTALLED;; esac case $host in *:*) p_exe=ping6 esac p_out=`$p_exe $p_args $OCF_RESKEY_options $host 2>&1`; rc=$? case $rc in 0) active=`expr $active + 1`;; 1) ping_conditional_log warn "$host is inactive: $p_out";; *) ocf_log err "Unexpected result for '$p_exe $p_args $OCF_RESKEY_options $host' $rc: $p_out";; esac done return $active } ping_update() { if have_binary fping; then fping_check active=$? else ping_check active=$? fi score=`expr $active \* $OCF_RESKEY_multiplier` attrd_updater -n $OCF_RESKEY_name -v $score -d $OCF_RESKEY_dampen $attrd_options rc=$? case $rc in 0) ping_conditional_log debug "Updated $OCF_RESKEY_name = $score" ;; *) ocf_log warn "Could not update $OCF_RESKEY_name = $score: rc=$rc";; esac if [ $rc -ne 0 ]; then return $rc fi if [ -n "$OCF_RESKEY_failure_score" -a "$score" -lt "$OCF_RESKEY_failure_score" ]; then ocf_log warn "$OCF_RESKEY_name is less than failure_score($OCF_RESKEY_failure_score)" return 1 fi return 0 } : ${OCF_RESKEY_name:="pingd"} : ${OCF_RESKEY_dampen:="5s"} : ${OCF_RESKEY_attempts:="3"} : ${OCF_RESKEY_multiplier:="1"} : ${OCF_RESKEY_debug:="false"} : ${OCF_RESKEY_failure_score:="0"} : ${OCF_RESKEY_CRM_meta_timeout:="20000"} : ${OCF_RESKEY_CRM_meta_globally_unique:="true"} integer=`echo ${OCF_RESKEY_timeout} | egrep -o '[0-9]*'` case ${OCF_RESKEY_timeout} in *[0-9]ms|*[0-9]msec) OCF_RESKEY_timeout=`expr $integer / 1000`;; *[0-9]m|*[0-9]min) OCF_RESKEY_timeout=`expr $integer \* 60`;; *[0-9]h|*[0-9]hr) OCF_RESKEY_timeout=`expr $integer \* 60 \* 60`;; *) OCF_RESKEY_timeout=$integer;; esac if [ -z ${OCF_RESKEY_timeout} ]; then if [ x"$OCF_RESKEY_host_list" != x ]; then host_count=`echo $OCF_RESKEY_host_list | awk '{print NF}'` OCF_RESKEY_timeout=`expr $OCF_RESKEY_CRM_meta_timeout / $host_count / $OCF_RESKEY_attempts` OCF_RESKEY_timeout=`expr $OCF_RESKEY_timeout / 1100` # Convert to seconds and finish 10% early else OCF_RESKEY_timeout=5 fi fi if [ ${OCF_RESKEY_timeout} -lt 1 ]; then OCF_RESKEY_timeout=5 elif [ ${OCF_RESKEY_timeout} -gt 1000 ]; then # ping actually complains if this value is too high, 5 minutes is plenty OCF_RESKEY_timeout=300 fi if [ ${OCF_RESKEY_CRM_meta_globally_unique} = "false" ]; then : ${OCF_RESKEY_pidfile:="$HA_VARRUN/ping-${OCF_RESKEY_name}"} else : ${OCF_RESKEY_pidfile:="$HA_VARRUN/ping-${OCF_RESOURCE_INSTANCE}"} fi attrd_options='-q' if ocf_is_true ${OCF_RESKEY_debug} ; then attrd_options='' fi # Check the debug option case "${OCF_RESKEY_debug}" in true|True|TRUE|1) OCF_RESKEY_debug=true;; false|False|FALSE|0) OCF_RESKEY_debug=false;; *) ocf_log warn "Value for 'debug' is incorrect. Please specify 'true' or 'false' not: ${OCF_RESKEY_debug}" OCF_RESKEY_debug=false ;; esac case $__OCF_ACTION in meta-data) meta_data exit $OCF_SUCCESS ;; start) ping_start;; stop) ping_stop;; monitor) ping_monitor;; reload) ping_start;; validate-all) ping_validate;; usage|help) ping_usage exit $OCF_SUCCESS ;; *) ping_usage exit $OCF_ERR_UNIMPLEMENTED ;; esac exit $? pacemaker-master/extra/resources/pingd000066400000000000000000000156251217637305600205030ustar00rootroot00000000000000#!/bin/sh # # # pingd OCF Resource Agent # Records (in the CIB) the current number of ping nodes a # cluster node can connect to. # # Copyright (c) 2006 Andrew Beekhof # All Rights Reserved. # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} : ${OCF_RESKEY_name:="pingd"} : ${OCF_RESKEY_interval:="1"} : ${OCF_RESKEY_CRM_meta_interval:=0} upgrade1="This agent (ocf:pacemaker:pingd) has been replaced by the more reliable ocf:pacemaker:ping." upgrade2="Attempting automated conversion, run 'crm ra info ocf:pacemaker:ping' for all configuration options" upgrade3="You will need to remove the existing resource and replace it with one that uses 'ocf:pacemaker:ping' directly" case $__OCF_ACTION in start|monitor) if [ "x" != "x$OCF_RESKEY_host_list" ]; then ocf_log err "$upgrade1" ocf_log err "$upgrade2" ocf_log err "Automatic conversion to ocf:pacemaker:ping failed: no hosts were configured to check for connectivity" ocf_log err "$upgrade3" exit $OCF_ERR_ARGS fi recurring=`crm configure show $OCF_RESOURCE_INSTANCE | grep "op monitor.*interval=\"[1-9]" | sed s/.*interval=// | awk -F\" '{print $2}' | sed s/.*interval=// | awk -F\" '{print $2}' | sort | head -n 1` if [ -z $recurring ]; then ocf_log err "$upgrade1" ocf_log err "$upgrade2" ocf_log err "Automatic conversion to ocf:pacemaker:ping failed: no monitor operation configured" ocf_log err "Without an explicit monitor operation for '$OCF_RESOURCE_INSTANCE', connectivity changes will not be noticed" ocf_log err "Preventing startup to ensure the issue is addressed before it matters" exit $OCF_ERR_ARGS fi if [ $OCF_RESKEY_CRM_meta_interval = 0 ]; then ocf_log warn "$upgrade1" ocf_log warn "$upgrade2" if [ $recurring != $OCF_RESKEY_interval ]; then ocf_log warn "Your monitor operation happens every $recurring, which means that the $OCF_RESKEY_name attribute will be updated with a different frequency than the previously configured ( $OCF_RESKEY_interval )" ocf_log warn "Either change the monitor interval to match or, ideally, switch to the ocf:pacemaker:ping agent and avoid all this compatibility nonsense." fi fi ;; meta-data) cat < 1.0 This agent (ocf:pacemaker:pingd) has been replaced by the more reliable ocf:pacemaker:ping. It records (in the CIB) the current number of ping nodes (specified in the 'host_list' parameter) a cluster node can connect to. pingd resource agent PID file PID file The user we want to run pingd as The user we want to run pingd as The time to wait (dampening) further changes occur Dampening interval The name of the instance_attributes set to place the value in. Rarely needs to be specified. Set name The name of the attributes to set. This is the name to be used in the constraints. Attribute name The section place the value in. Rarely needs to be specified. Section name The number by which to multiply the number of connected ping nodes by Value multiplier The list of ping nodes to count. Defaults to all configured ping nodes. Rarely needs to be specified. Host list How often, in seconds, to check for node liveliness ping interval in seconds Number of ping attempts, per host, before declaring it dead no. of ping attempts How long, in seconds, to wait before declaring a ping lost ping timeout in seconds A catch all for any other options that need to be passed to pingd. Extra Options END exit $OCF_SUCCESS ;; esac ${OCF_ROOT}/resource.d/pacemaker/ping $1 exit $? pacemaker-master/extra/resources/remote000066400000000000000000000065561217637305600207000ustar00rootroot00000000000000#!/bin/sh # # # remote OCF RA. This script provides metadata for the internal # pacemaker remote lrmd connection agent. Outside of acting # as a place holder so the remote ra script can be indexed and # providing metadata, this script should never be invoked. The # actual functionality behind the remote lrmd connection lives # within pacemaker's crmd component. # # Copyright (c) 2013 David Vossel # # This program is free software; you can redistribute it and/or modify # it under the terms of version 2 of the GNU General Public License as # published by the Free Software Foundation. # # This program is distributed in the hope that it would be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # # Further, this software is distributed without any warranty that it is # free of the rightful claim of any third person regarding infringement # or the like. Any license provided herein, whether implied or # otherwise, applies only to this software file. Patent licenses, if # any, provided herein do not apply to combinations of this program with # other software, or any other product whatsoever. # # You should have received a copy of the GNU General Public License # along with this program; if not, write the Free Software Foundation, # Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. # ####################################################################### # Initialization: : ${OCF_FUNCTIONS=${OCF_ROOT}/resource.d/heartbeat/.ocf-shellfuncs} . ${OCF_FUNCTIONS} : ${__OCF_ACTION=$1} ####################################################################### meta_data() { cat < 0.1 Server location to connect to. This can be an ip address or hostname. Server location tcp port to connect to. tcp port END } ####################################################################### remote_usage() { cat < $@ echo >> $@ echo XSL_FILE=\"$(pkgdatadir)/cluconf2cib.xsl\" >> $@ echo SAXON_JAR=\"$(datadir)/java/saxon.jar\" >> $@ echo >> $@ cat $^ >> $@ chmod +x $@ endif pacemaker-master/extra/rgmanager/README000066400000000000000000000004421217637305600202570ustar00rootroot00000000000000Linux-cluster cluster.conf to Pacemaker CIB translation utility. Development is on Fedora 14+ 2 phases: Step 1: Flatten tree Step 2: Convert Requires: resource-agents libxml2 java saxon >= 9.1 java-1.6.0-openjdk TODO: * Fencing * Resource-defaults [ skipping ] ... * Profit pacemaker-master/extra/rgmanager/ccs2cib.in000066400000000000000000000067061217637305600212500ustar00rootroot00000000000000# Above is autogenerated; DEBUG here is run-time DEBUG=0 export XSL_FILE SAXON_JAR DEBUG die() { echo "$*" exit 1 } _validate() { if [ $DEBUG -eq 1 ]; then echo "debug: adding . to $PATH" export PATH="$PATH:." fi which ccs_flatten &> /dev/null || die "Can't find ccs_flatten in path!" which java &> /dev/null || die "Can not find java in path!" if [ -z "$XSL_FILE" ]; then if [ $DEBUG -eq 1 ]; then XSL_FILE=./cluconf2cib.xsl echo "debug: using $XSL_FILE" else die "Please specify path to XSLT script using -X ." fi fi if [ -z "$SAXON_JAR" ]; then if [ $DEBUG -eq 1 ]; then SAXON_JAR=/usr/share/java/saxon.jar echo "debug: using $SAXON_JAR" else die "Please specify path to saxon.jar using -J ." fi fi [ -d /usr/share/cluster ] || die "/usr/share/cluster does not exist." [ -f /usr/share/cluster/service.sh ] || die "Missing rgmanager resource agents?" [ -f "$XSL_FILE" ] || die "$XSL_FILE does not exist!" [ -f "$SAXON_JAR" ] || die "$SAXON_JAR does not exist!" [ -f "$1" ] || die "Input file $1 not found" if [ -f "$2" ]; then [ $3 -ne 0 ] || die "Output file $2 exists; please remove or use -f" fi return 0 } help() { cat < Specify path to XSLT script -J Specify path to Saxon jar file -h This message EOT } # main declare conf_in cib_out xsl_file saxon_jar conf_out opt do_update tmp declare force_update no_verify # defaults conf_in="/etc/cluster/cluster.conf" cib_out="cib-converted.xml" conf_out="" do_update=0 no_verify=0 force_update=0 tmp=$(mktemp /tmp/ccs2cib.tmp.XXXXXX) while getopts i:o:X:J:Rr:dnhf opt; do case $opt in d) DEBUG=1 ;; i) conf_in="$OPTARG" ;; o) cib_out="$OPTARG" ;; R) do_update=1 ;; r) do_update=1 conf_out="$OPTARG" ;; n) no_verify=1 ;; f) force_update=1 ;; X) XSL_FILE="$OPTARG" ;; J) SAXON_JAR="$OPTARG" ;; h) help $0 exit 0 ;; *) echo "Error parsing $opt" help $0 exit 1 ;; esac done [ -z "$conf_out" ] && conf_out="$conf_in" _validate "$conf_in" "$cib_out" $force_update echo " * Converting configuration" if ! ccs_flatten "$conf_in" > $tmp; then rm -f $tmp die "Flattening of configuration file failed." fi if ! java -jar $SAXON_JAR -xsl:$XSL_FILE $tmp > $cib_out; then rm -f $tmp die "Conversion failed." fi echo " * Calling crm_verify to validate the configuration." if [ $no_verify -eq 0 ]; then crm_verify --xml-file $cib_out -V || die "Validation failed." fi if [ $do_update -ne 0 ]; then echo " * Disabling rgmanager in $conf_out" rm -f $tmp disable_rgmanager "$conf_in" > "$tmp" || die "Failed to disable rgmanager" mv "$tmp" "$conf_out" if [ "$conf_out" = "/etc/cluster/cluster.conf" ]; then if clustat -Q &> /dev/null; then echo " * Calling cman_tool to update cluster.conf" cman_tool version -r else echo " * You will need to manually copy $conf_out to the other cluster" echo " nodes using scp, ccs_sync, or some other utility." fi fi fi echo " * Proposed cib stored in $cib_out" exit 0 pacemaker-master/extra/rgmanager/cluconf2cib.xsl000066400000000000000000000171561217637305600223320ustar00rootroot00000000000000 500000 1000000 INFINITY -INFINITY pacemaker-master/extra/rgmanager/disable_rgmanager.c000066400000000000000000000055021217637305600231730ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004-2006 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #define shift() {++argv; --argc;} static int disable_rgmanager(xmlDocPtr doc) { char buf[32]; xmlNodePtr n, o; char *a; int x; if (!doc) return 0; n = xmlDocGetRootElement(doc); if (!n) return 0; if (strcmp((char *)n->name, "cluster")) { fprintf(stderr, "Expected cluster tag, got %s\n", (char *)n->name); return 0; } a = (char *)xmlGetProp(n, (xmlChar *) "config_version"); if (!a) { fprintf(stderr, "No config_version found on cluster tag\n"); return 0; } x = atoi(a); if (x == 0) { fprintf(stderr, "config_version was invalid\n"); return 0; } ++x; snprintf(buf, sizeof(buf), "%d", x); if (xmlSetProp(n, (xmlChar *) "config_version", (xmlChar *) buf) == NULL) { fprintf(stderr, "Failed to update config_version\n"); return 0; } for (o = n->xmlChildrenNode; o; o = o->next) { if (o->type != XML_ELEMENT_NODE) continue; if (!strcmp((char *)o->name, "rm")) break; } if (!o) return 0; if (xmlSetProp(o, (xmlChar *) "disabled", (xmlChar *) "1") == NULL) { fprintf(stderr, "Failed to disable rgmanager\n"); return 0; } return 1; } static void usage(const char *arg0, int ret) { fprintf(stderr, "usage: %s [output.conf]\n", arg0); exit(ret); } int main(int argc, char **argv) { char *arg0 = basename(argv[0]); int ret = 0; xmlDocPtr doc = NULL; if (argc < 2) { usage(arg0, 1); } if (!strcasecmp(argv[1], "-h") || !strcasecmp(argv[1], "-?")) { usage(arg0, 0); } xmlInitParser(); xmlIndentTreeOutput = 1; xmlKeepBlanksDefault(0); shift(); doc = xmlParseFile(argv[0]); if (disable_rgmanager(doc)) { xmlDocFormatDump(stdout, doc, 1); } if (doc) xmlFreeDoc(doc); xmlCleanupParser(); return ret; } pacemaker-master/extra/rgmanager/flatten.c000066400000000000000000000125071217637305600212050ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004-2006 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #define shift() {++argv; --argc;} const char *agentpath = RESOURCE_ROOTDIR; static xmlNode * get_rm_node(xmlDocPtr doc) { xmlNodePtr n, o; if (!doc) return NULL; n = xmlDocGetRootElement(doc); if (!n) return NULL; if (strcmp((char *)n->name, "cluster")) { fprintf(stderr, "Expected cluster tag, got %s\n", (char *)n->name); return NULL; } for (o = n->xmlChildrenNode; o; o = o->next) { if (o->type != XML_ELEMENT_NODE) continue; if (!strcmp((char *)o->name, "rm")) return o; } return NULL; } static void remove_resources_block(xmlNodePtr rm) { xmlNodePtr o, r = NULL; for (o = rm->xmlChildrenNode; o; o = o->next) { if (o->type != XML_ELEMENT_NODE) continue; if (!strcmp((char *)o->name, "resources")) { r = o; break; } } if (!r) return; xmlUnlinkNode(r); xmlFreeNode(r); } static int replace_resource(xmlNodePtr rm, char *restype, char *primattr, char *ident, xmlNodePtr n) { xmlNodePtr o, r = NULL; char *p; for (o = rm->xmlChildrenNode; o; o = o->next) { if (o->type != XML_ELEMENT_NODE) continue; if (!strcmp((char *)o->name, restype)) { p = (char *)xmlGetProp(o, (xmlChar *) primattr); if (!strcmp(p, ident)) { r = o; break; } } } if (!r) return -1; xmlUnlinkNode(r); xmlFreeNode(r); xmlAddChild(rm, n); return 0; } static int flatten(int argc, char **argv, xmlDocPtr * doc) { xmlDocPtr d = NULL; xmlNode *n = NULL, *rm = NULL, *new_rb = NULL; resource_rule_t *rulelist = NULL; resource_t *reslist = NULL, *curres; resource_node_t *tree = NULL, *rn; FILE *f = stdout; int ret = 0; conf_setconfig(argv[0]); if (conf_open() < 0) { xmlFree(new_rb); goto out; } while (argc >= 2) { shift(); if (!strcmp(argv[0], "-r")) { if (!new_rb) new_rb = xmlNewNode(NULL, (xmlChar *) "rm"); } else { if (f == stdout) f = fopen(argv[0], "w+"); } } d = conf_get_doc(); rm = get_rm_node(d); load_resource_rules(agentpath, &rulelist); if (!rulelist) { fprintf(stderr, "No resource rules available\n"); goto out; } load_resources(&reslist, &rulelist); build_resource_tree(&tree, &rulelist, &reslist); if (!tree) { fprintf(stderr, "No resource trees defined; nothing to do\n"); goto out; } #ifdef DEBUG fprintf(stderr, "Resources %p tree %p\n", reslist, tree); #endif shift(); list_do(&tree, rn) { n = NULL; curres = rn->rn_resource; #ifdef DEBUG fprintf(stderr, "Flatten %s:%s ... \n", curres->r_rule->rr_type, curres->r_attrs[0].ra_value); #endif if (res_flatten(&n, new_rb, &tree, curres)) { fprintf(stderr, "FAIL 1\n"); ret = -1; goto out; } if (replace_resource(rm, curres->r_rule->rr_type, curres->r_attrs[0].ra_name, curres->r_attrs[0].ra_value, n) != 0) { fprintf(stderr, "FAIL 2\n"); ret = -1; goto out; } } while (!list_done(&tree, rn)) ; remove_resources_block(rm); if (new_rb) { xmlAddChild(rm, new_rb); } xmlDocFormatDump(f, d, 1); if (f != stdout) fclose(f); out: if (ret < 0) { xmlFreeDoc(d); } else { *doc = d; } conf_close(); destroy_resource_tree(&tree); destroy_resources(&reslist); destroy_resource_rules(&rulelist); return ret; } static void usage(const char *arg0, int ret) { fprintf(stderr, "usage: %s [output.conf] [-r]\n", arg0); exit(ret); } int main(int argc, char **argv) { char *arg0 = basename(argv[0]); int ret = 0; xmlDocPtr doc = NULL; if (argc < 2) { usage(arg0, 1); } if (!strcasecmp(argv[1], "-h") || !strcasecmp(argv[1], "-?")) { usage(arg0, 0); } xmlInitParser(); xmlIndentTreeOutput = 1; xmlKeepBlanksDefault(0); shift(); ret = flatten(argc, argv, &doc); //if (doc) //xmlFreeDoc(doc); xmlCleanupParser(); return ret; } pacemaker-master/extra/rgmanager/list.h000066400000000000000000000044061217637305600205270ustar00rootroot00000000000000#ifndef _LIST_H # define _LIST_H /** Simple list handlig macros. Needs rewrite or inclusion of /usr/include/linux/list.h as a replacement. */ /* Must be first if structure is going to use it. */ struct list_entry { struct list_entry *le_next, *le_prev; }; # define list_head() struct list_entry _list_head # define le(p) (&((*p)._list_head)) # define list_insert(list, newnode) \ do { \ if (!(*list)) { \ le(newnode)->le_next = \ le(newnode)->le_prev = le(newnode); \ *list = (void *)le(newnode); \ } else { \ le(*list)->le_prev->le_next = le(newnode); \ le(newnode)->le_next = le(*list); \ le(newnode)->le_prev = le(*list)->le_prev; \ le(*list)->le_prev = le(newnode); \ } \ } while (0) # define list_prepend(list, newnode) \ do { \ list_insert(list, newnode); \ *list = newnode; \ } while (0) # define list_remove(list, oldnode) \ do { \ if (le(oldnode) == le(*list)) { \ *list = (void *)le(*list)->le_next; \ } \ if (le(oldnode) == le(*list)) { \ le(oldnode)->le_next = NULL; \ le(oldnode)->le_prev = NULL; \ *list = NULL; \ } else { \ le(oldnode)->le_next->le_prev = le(oldnode)->le_prev; \ le(oldnode)->le_prev->le_next = le(oldnode)->le_next; \ le(oldnode)->le_prev = NULL; \ le(oldnode)->le_next = NULL; \ } \ } while (0) /* list_do(list, node) { stuff; } while (!list_done(list, node)); */ # define list_do(list, curr) \ if (*list && (curr = *list)) do # define list_done(list, curr) \ (curr && (((curr = (void *)le(curr)->le_next)) && (curr == *list))) /* * list_for(list, tmp, counter) { * stuff; * } * * counter = # of items in list when done. * * sets cnt to 0 before even checking list; * * checks for valid list * * traverses list, incrementing counter. If we get to the for loop, * there must be at least one item in the list */ # define list_for(list, curr, cnt) \ if (!(cnt=0) && (list != NULL) && (*list != NULL)) \ for (curr = *list; \ (cnt == 0) || (curr != *list); \ curr = (void*)le(curr)->le_next, \ cnt++) # define list_for_rev(list, curr, cnt) \ if (!(cnt=0) && list && *list) \ for (curr = (void *)(le(*list)->le_prev); \ (cnt == 0) || ((void *)curr != le(*list)->le_prev); \ curr = (void*)(le(curr)->le_prev), \ cnt++) #endif pacemaker-master/extra/rgmanager/resgroup.h000066400000000000000000000100471217637305600214200ustar00rootroot00000000000000#ifndef __RESGROUP_H # define __RESGROUP_H # include # include # include # include # include # include # include # include /* Requests */ # define RG_SUCCESS 0 # define RG_FAIL 1 # define RG_START 2 # define RG_STOP 3 # define RG_STATUS 4 # define RG_DISABLE 5 # define RG_STOP_RECOVER 6 # define RG_START_RECOVER 7 # define RG_RESTART 8 # define RG_EXITING 9 # define RG_INIT 10 # define RG_ENABLE 11 # define RG_STATUS_NODE 12 # define RG_RELOCATE 13 # define RG_CONDSTOP 14 # define RG_CONDSTART 15 # define RG_START_REMOTE 16 /* Part of a relocate */ # define RG_STOP_USER 17 /* User-stop request */ # define RG_STOP_EXITING 18 /* Exiting. */ # define RG_LOCK 19 # define RG_UNLOCK 20 # define RG_QUERY_LOCK 21 # define RG_MIGRATE 22 # define RG_FREEZE 23 # define RG_UNFREEZE 24 # define RG_STATUS_INQUIRY 25 # define RG_CONVALESCE 26 # define RG_NONE 999 /* Resource group states (for now) */ # define RG_STATE_BASE 110 # define RG_STATE_STOPPED 110 /** Resource group is stopped */ # define RG_STATE_STARTING 111 /** Resource is starting */ # define RG_STATE_STARTED 112 /** Resource is started */ # define RG_STATE_STOPPING 113 /** Resource is stopping */ # define RG_STATE_FAILED 114 /** Resource has failed */ # define RG_STATE_UNINITIALIZED 115 /** Thread not running yet */ # define RG_STATE_CHECK 116 /** Checking status */ # define RG_STATE_ERROR 117 /** Recoverable error */ # define RG_STATE_RECOVER 118 /** Pending recovery */ # define RG_STATE_DISABLED 119 /** Resource not allowd to run */ # define RG_STATE_MIGRATE 120 /** Resource migrating */ # define DEFAULT_CHECK_INTERVAL 10 /* Resource group flags (for now) */ # define RG_FLAG_FROZEN (1<<0) /** Resource frozen */ # define RG_FLAG_PARTIAL (1<<1) /** One or more non-critical resources offline */ /* Return codes */ # define RG_EEXCL -16 /* Service not runnable due to the fact that it is tagged exclusive and there are no empty nodes. */ # define RG_EDOMAIN -15 /* Service not runnable given the set of nodes and its failover domain */ # define RG_ESCRIPT -14 /* S/Lang script failed */ # define RG_EFENCE -13 /* Fencing operation pending */ # define RG_ENODE -12 /* Node is dead/nonexistent */ # define RG_EFROZEN -11 /* Forward compat. with -HEAD */ # define RG_ERUN -10 /* Service is already running */ # define RG_EQUORUM -9 /* Operation requires quorum */ # define RG_EINVAL -8 /* Invalid operation for resource */ # define RG_EDEPEND -7 /* Operation violates dependency */ # define RG_EAGAIN -6 /* Try again */ # define RG_EDEADLCK -5 /* Aborted - would deadlock */ # define RG_ENOSERVICE -4 /* Service does not exist */ # define RG_EFORWARD -3 /* Service not mastered locally */ # define RG_EABORT -2 /* Abort; service unrecoverable */ # define RG_EFAIL -1 /* Generic failure */ # define RG_ESUCCESS 0 # define RG_YES 1 # define RG_NO 2 const char *rg_strerror(int val); /* * Fail-over domain states */ # define FOD_ILLEGAL 0 # define FOD_GOOD 1 # define FOD_BETTER 2 # define FOD_BEST 3 /* Fail-over domain flags */ # define FOD_ORDERED (1<<0) # define FOD_RESTRICTED (1<<1) # define FOD_NOFAILBACK (1<<2) /* Status tree flags */ # define SFL_FAILURE (1<<0) # define SFL_RECOVERABLE (1<<1) # define SFL_PARTIAL (1<<2) #endif pacemaker-master/extra/rgmanager/reslist.c000066400000000000000000000326161217637305600212400ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include void res_build_name(char *buf, size_t buflen, resource_t * res) { snprintf(buf, buflen, "%s:%s", res->r_rule->rr_type, res->r_attrs[0].ra_value); } /** Find and determine an attribute's value. @param res Resource node to look examine @param attrname Attribute to retrieve. @return value of attribute or NULL if not found */ char * res_attr_value(resource_t * res, const char *attrname) { resource_attr_t *ra; int x; for (x = 0; res->r_attrs && res->r_attrs[x].ra_name; x++) { if (strcmp(attrname, res->r_attrs[x].ra_name)) continue; ra = &res->r_attrs[x]; if (ra->ra_flags & RA_INHERIT) /* Can't check inherited resources */ return NULL; return ra->ra_value; } return NULL; } /** Find and determine an attribute's value. Takes into account inherited attribute flag, and append attribute flag, which isn't implemented yet. @param node Resource tree node to look examine @param attrname Attribute to retrieve. @param ptype Resource type to look for (if inheritance) @return value of attribute or NULL if not found */ static char * _attr_value(resource_node_t * node, const char *attrname, const char *ptype) { resource_t *res; resource_attr_t *ra; char *c, p_type[32]; ssize_t len; int x; if (!node) return NULL; res = node->rn_resource; /* Go up the tree if it's not the right parent type */ if (ptype && strcmp(res->r_rule->rr_type, ptype)) return _attr_value(node->rn_parent, attrname, ptype); for (x = 0; res->r_attrs && res->r_attrs[x].ra_name; x++) { if (strcmp(attrname, res->r_attrs[x].ra_name)) continue; ra = &res->r_attrs[x]; if (!(ra->ra_flags & RA_INHERIT)) return ra->ra_value; /* Handle resource_type%field to be more precise, so we don't have to worry about this being a child of an unexpected type. E.g. lots of things have the "name" attribute. */ c = strchr(ra->ra_value, '%'); if (!c) { /* Someone doesn't care or uses older semantics on inheritance */ return _attr_value(node->rn_parent, ra->ra_value, NULL); } len = (c - ra->ra_value); memset(p_type, 0, sizeof(p_type)); memcpy(p_type, ra->ra_value, len); /* Skip the "%" and recurse */ return _attr_value(node->rn_parent, ++c, p_type); } return NULL; } char * attr_value(resource_node_t * node, const char *attrname) { return _attr_value(node, attrname, NULL); } char * primary_attr_value(resource_t * res) { int x; resource_attr_t *ra; for (x = 0; res->r_attrs && res->r_attrs[x].ra_name; x++) { ra = &res->r_attrs[x]; if (!(ra->ra_flags & RA_PRIMARY)) continue; return ra->ra_value; } return NULL; } /** Find a resource given its reference. A reference is the value of the primary attribute. @param reslist List of resources to traverse. @param type Type of resource to look for. @param ref Reference @return Resource matching type/ref or NULL if none. */ resource_t * find_resource_by_ref(resource_t ** reslist, char *type, char *ref) { resource_t *curr; int x; list_do(reslist, curr) { if (strcmp(curr->r_rule->rr_type, type)) continue; /* This should be one operation - the primary attr is generally at the head of the array. */ for (x = 0; curr->r_attrs && curr->r_attrs[x].ra_name; x++) { if (!(curr->r_attrs[x].ra_flags & RA_PRIMARY)) continue; if (strcmp(ref, curr->r_attrs[x].ra_value)) continue; return curr; } } while (!list_done(reslist, curr)) ; return NULL; } /** Store a resource in the resource list if it's legal to do so. Otherwise, don't store it. Note: This function needs to be rewritten; it's way too long and way too indented. @param reslist Resource list to store the new resource. @param newres Resource to store @return 0 on succes; nonzero on failure. */ int store_resource(resource_t ** reslist, resource_t * newres) { resource_t *curr; int x, y; if (!*reslist) { /* first resource */ list_insert(reslist, newres); return 0; } list_do(reslist, curr) { if (strcmp(curr->r_rule->rr_type, newres->r_rule->rr_type)) continue; for (x = 0; newres->r_attrs && newres->r_attrs[x].ra_name; x++) { /* Look for conflicting primary/unique keys */ if (!(newres->r_attrs[x].ra_flags & (RA_PRIMARY | RA_UNIQUE))) continue; for (y = 0; curr->r_attrs[y].ra_name; y++) { if (curr->r_attrs[y].ra_flags & RA_INHERIT) continue; if (strcmp(curr->r_attrs[y].ra_name, newres->r_attrs[x].ra_name)) continue; if (!strcmp(curr->r_attrs[y].ra_value, newres->r_attrs[x].ra_value)) { /* Unique/primary is not unique */ fprintf(stderr, "%s attribute collision. " "type=%s attr=%s value=%s\n", (newres->r_attrs[x].ra_flags & RA_PRIMARY) ? "Primary" : "Unique", newres->r_rule->rr_type, newres->r_attrs[x].ra_name, newres->r_attrs[x].ra_value); return -1; } break; } } } while (!list_done(reslist, curr)) ; list_insert(reslist, newres); return 0; } /** Obliterate a resource_t structure. @param res Resource to free. */ void destroy_resource(resource_t * res) { int x; if (res->r_name) free(res->r_name); if (res->r_attrs) { for (x = 0; res->r_attrs && res->r_attrs[x].ra_name; x++) { free(res->r_attrs[x].ra_name); free(res->r_attrs[x].ra_value); } free(res->r_attrs); } if (res->r_actions) { /* Don't free the strings; they're part of the rule */ free(res->r_actions); } free(res); } /** Obliterate a resource_t list. @param list Resource list to free. */ void destroy_resources(resource_t ** list) { resource_t *res; while ((res = *list)) { list_remove(list, res); destroy_resource(res); } } void * act_dup(resource_act_t * acts) { int x; resource_act_t *newacts; for (x = 0; acts[x].ra_name; x++) ; ++x; x *= sizeof(resource_act_t); newacts = malloc(x); if (!newacts) return NULL; memcpy(newacts, acts, x); return newacts; } /* Copied from resrules.c -- _get_actions */ static void _get_actions_ccs(const char *base, resource_t * res) { char xpath[256]; int idx = 0; char *act, *ret; int interval, timeout, depth; do { /* setting these to -1 prevents overwriting with 0 */ interval = -1; depth = -1; act = NULL; timeout = -1; snprintf(xpath, sizeof(xpath), "%s/action[%d]/@name", base, ++idx); if (conf_get(xpath, &act) != 0) break; snprintf(xpath, sizeof(xpath), "%s/action[%d]/@timeout", base, idx); if (conf_get(xpath, &ret) == 0 && ret) { timeout = expand_time(ret); if (timeout < 0) timeout = 0; free(ret); } snprintf(xpath, sizeof(xpath), "%s/action[%d]/@interval", base, idx); if (conf_get(xpath, &ret) == 0 && ret) { interval = expand_time(ret); if (interval < 0) interval = 0; free(ret); } if (!strcmp(act, "status") || !strcmp(act, "monitor")) { snprintf(xpath, sizeof(xpath), "%s/action[%d]/@depth", base, idx); if (conf_get(xpath, &ret) == 0 && ret) { depth = atoi(ret); if (depth < 0) depth = 0; /* */ if (ret[0] == '*') depth = -1; free(ret); } } if (store_action(&res->r_actions, act, depth, timeout, interval) != 0) free(act); } while (1); } /** Try to load all the attributes in our rule set. If none are found, or an error occurs, return NULL and move on to the next one. @param rule Resource rule set to use when looking for data @param base Base XPath path to start with. @return New resource if legal or NULL on failure/error */ resource_t * load_resource(resource_rule_t * rule, const char *base) { resource_t *res; char ccspath[1024]; char *attrname, *attr; int x, found = 0, flags; res = malloc(sizeof(*res)); if (!res) { fprintf(stderr, "Out of memory\n"); return NULL; } memset(res, 0, sizeof(*res)); res->r_rule = rule; for (x = 0; res->r_rule->rr_attrs && res->r_rule->rr_attrs[x].ra_name; x++) { flags = rule->rr_attrs[x].ra_flags; attrname = strdup(rule->rr_attrs[x].ra_name); if (!attrname) { destroy_resource(res); return NULL; } /* Ask CCS for the respective attribute */ attr = NULL; snprintf(ccspath, sizeof(ccspath), "%s/@%s", base, attrname); if (conf_get(ccspath, &attr) != 0) { if (flags & (RA_REQUIRED | RA_PRIMARY)) { /* Missing required attribute. We're done. */ free(attrname); destroy_resource(res); return NULL; } if (!(flags & RA_INHERIT)) { /* If we don't have the inherit flag, see if we have a value anyway. If we do, this value is the default value, and should be used. */ if (!rule->rr_attrs[x].ra_value) { free(attrname); continue; } /* Copy default value from resource rule */ attr = strdup(rule->rr_attrs[x].ra_value); } } found = 1; /* If we are supposed to inherit and we don't have an instance of the specified attribute in CCS, then we keep the inherit flag and use it as the attribute. However, if we _do_ have the attribute for this instance, we drop the inherit flag and use the attribute. */ if (flags & RA_INHERIT) { if (attr) { flags &= ~RA_INHERIT; } else { attr = strdup(rule->rr_attrs[x].ra_value); if (!attr) { destroy_resource(res); free(attrname); return NULL; } } } /* Store the attribute. We'll ensure all required attributes are present soon. */ if (attrname && attr) store_attribute(&res->r_attrs, attrname, attr, flags); } if (!found) { destroy_resource(res); return NULL; } res->r_actions = act_dup(rule->rr_actions); _get_actions_ccs(base, res); return res; } /** Read all resources in the resource manager block in CCS. @param reslist Empty list to fill with resources. @param rulelist List of rules to use when searching CCS. @return 0 on success, nonzero on failure. */ int load_resources(resource_t ** reslist, resource_rule_t ** rulelist) { int resID = 0; resource_t *newres; resource_rule_t *currule; char tok[256]; list_do(rulelist, currule) { for (resID = 1;; resID++) { snprintf(tok, sizeof(tok), RESOURCE_BASE "/%s[%d]", currule->rr_type, resID); newres = load_resource(currule, tok); if (!newres) break; if (store_resource(reslist, newres) != 0) { fprintf(stderr, "Error storing %s resource\n", newres->r_rule->rr_type); destroy_resource(newres); } /* Just information */ newres->r_flags = RF_DEFINED; } } while (!list_done(rulelist, currule)) ; return 0; } pacemaker-master/extra/rgmanager/reslist.h000066400000000000000000000140141217637305600212350ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef _RESLIST_H # define _RESLIST_H # include # include # include # include # define RA_PRIMARY (1<<0) /** Primary key */ # define RA_UNIQUE (1<<1) /** Unique for given type */ # define RA_REQUIRED (1<<2) /** Required (or an error if not present */ # define RA_INHERIT (1<<3) /** Inherit a parent resource's attr */ # define RA_RECONFIG (1<<4) /** Allow inline reconfiguration */ # define RF_INLINE (1<<0) # define RF_DEFINED (1<<1) # define RF_NEEDSTART (1<<2) /** Used when adding/changing resources */ # define RF_NEEDSTOP (1<<3) /** Used when deleting/changing resources */ # define RF_COMMON (1<<4) /** " */ # define RF_INDEPENDENT (1<<5) /** Define this for a resource if it is otherwise an independent subtree */ # define RF_RECONFIG (1<<6) # define RF_INIT (1<<7) /** Resource rule: Initialize this resource class on startup */ # define RF_DESTROY (1<<8) /** Resource rule flag: Destroy this resource class if you delete it from the configuration */ # define RF_ENFORCE_TIMEOUTS (1<<9) /** Enforce timeouts for this node */ # define RF_NON_CRITICAL (1<<10) /** stop this resource if it fails */ # define RF_QUIESCE (1<<11) /** don't restart this resource */ # define RES_STOPPED (0) # define RES_STARTED (1) # define RES_FAILED (2) # define RES_DISABLED (3) # ifndef SHAREDIR # define SHAREDIR "/usr/share/cluster" # endif # define RESOURCE_ROOTDIR SHAREDIR # define RESOURCE_TREE_ROOT "//rm" # define RESOURCE_BASE RESOURCE_TREE_ROOT "/resources" # define RESOURCE_ROOT_FMT RESOURCE_TREE_ROOT "/%s[%d]" # define RESOURCE_MAX_LEVELS 100 /* Include OCF definitions */ //#include typedef struct _resource_attribute { char *ra_name; char *ra_value; int ra_flags; int _pad_; } resource_attr_t; typedef struct _resource_child { char *rc_name; int rc_startlevel; int rc_stoplevel; int rc_forbid; int rc_flags; } resource_child_t; typedef struct _resource_act { char *ra_name; time_t ra_timeout; time_t ra_last; time_t ra_interval; int ra_depth; int _pad_; } resource_act_t; typedef struct _resource_rule { list_head(); char *rr_type; char *rr_agent; char *rr_version; /** agent XML spec version; OCF-ism */ int rr_flags; int rr_maxrefs; resource_attr_t *rr_attrs; resource_child_t *rr_childtypes; resource_act_t *rr_actions; } resource_rule_t; typedef struct _resource { list_head(); resource_rule_t *r_rule; char *r_name; resource_attr_t *r_attrs; resource_act_t *r_actions; int r_flags; int r_refs; int r_incarnations; /** Number of instances running locally */ int _pad_; /* align */ } resource_t; typedef struct _rg_node { list_head(); struct _rg_node *rn_child, *rn_parent; resource_t *rn_resource; resource_act_t *rn_actions; int rn_state; /* State of this instance of rn_resource */ int rn_flags; int rn_last_status; int rn_last_depth; int rn_checked; int rn_pad; } resource_node_t; typedef struct _fod_node { list_head(); char *fdn_name; int fdn_prio; int fdn_nodeid; /* on rhel4 this will be 64-bit int */ } fod_node_t; typedef struct _fod { list_head(); char *fd_name; fod_node_t *fd_nodes; int fd_flags; int _pad_; /* align */ } fod_t; /* Exported Functions */ int res_flatten(xmlNode ** n, xmlNode * r, resource_node_t ** tree, resource_t * res); int expand_time(char *val); int store_action(resource_act_t ** actsp, char *name, int depth, int timeout, int interval); /* Load/kill resource rule sets */ int load_resource_rules(const char *rpath, resource_rule_t ** rules); void destroy_resource_rules(resource_rule_t ** rules); /* Load/kill resource sets */ int load_resources(resource_t ** reslist, resource_rule_t ** rulelist); void dump_resources(FILE * fp, resource_t ** reslist); void destroy_resources(resource_t ** list); /* Construct/deconstruct resource trees */ int build_resource_tree(resource_node_t ** tree, resource_rule_t ** rulelist, resource_t ** reslist); void destroy_resource_tree(resource_node_t ** tree); /* Construct/deconstruct failover domains */ int construct_domains(fod_t ** domains); void deconstruct_domains(fod_t ** domains); /* Handy functions */ resource_t *find_resource_by_ref(resource_t ** reslist, char *type, char *ref); resource_rule_t *find_rule_by_type(resource_rule_t ** rulelist, char *type); void res_build_name(char *, size_t, resource_t *); /* Internal functions; shouldn't be needed. */ int store_attribute(resource_attr_t ** attrsp, char *name, char *value, int flags); resource_t *load_resource(resource_rule_t * rule, const char *base); int store_resource(resource_t ** reslist, resource_t * newres); void destroy_resource(resource_t * res); char *attr_value(resource_node_t * node, const char *attrname); char *res_attr_value(resource_t * res, const char *attrname); char *primary_attr_value(resource_t *); void *act_dup(resource_act_t * acts); #endif /* _RESLIST_H */ pacemaker-master/extra/rgmanager/resrules.c000066400000000000000000000606301217637305600214140ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004-2010 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /** Store a new resource rule in the given rule list. @param rulelist List of rules to store new rule in. @param newrule New rule to store. @return 0 on success or -1 if rule with same name already exists in rulelist */ static int store_rule(resource_rule_t ** rulelist, resource_rule_t * newrule) { resource_rule_t *curr; list_do(rulelist, curr) { if (!strcmp(newrule->rr_type, curr->rr_type)) { fprintf(stderr, "Error storing %s: Duplicate\n", newrule->rr_type); return -1; } } while (!list_done(rulelist, curr)) ; list_insert(rulelist, newrule); return 0; } /** Obliterate a resource_rule_t structure. @param rr Resource rule to free. */ static void destroy_resource_rule(resource_rule_t * rr) { int x; if (rr->rr_type) free(rr->rr_type); if (rr->rr_agent) free(rr->rr_agent); if (rr->rr_version) free(rr->rr_version); if (rr->rr_attrs) { for (x = 0; rr->rr_attrs && rr->rr_attrs[x].ra_name; x++) { free(rr->rr_attrs[x].ra_name); if (rr->rr_attrs[x].ra_value) free(rr->rr_attrs[x].ra_value); } free(rr->rr_attrs); } if (rr->rr_actions) { for (x = 0; rr->rr_actions && rr->rr_actions[x].ra_name; x++) { free(rr->rr_actions[x].ra_name); } free(rr->rr_actions); } if (rr->rr_childtypes) { for (x = 0; rr->rr_childtypes && rr->rr_childtypes[x].rc_name; x++) free(rr->rr_childtypes[x].rc_name); free(rr->rr_childtypes); } free(rr); } /** Destroy a list of resource rules. @param rules List of rules to destroy. */ void destroy_resource_rules(resource_rule_t ** rules) { resource_rule_t *rr; while ((rr = *rules)) { list_remove(rules, rr); destroy_resource_rule(rr); } } /** Get and store the maxparents (max instances) attribute for a given resource rule set. @param doc Pre-parsed XML document pointer. @param ctx Pre-allocated XML XPath context pointer. @param base XPath prefix to search @param rr Resource rule to store new information in. */ static void _get_maxparents(xmlDocPtr doc, xmlXPathContextPtr ctx, char *base, resource_rule_t * rr) { char xpath[256]; char *ret = NULL; snprintf(xpath, sizeof(xpath), "%s/attributes/@maxinstances", base); ret = xpath_get_one(doc, ctx, xpath); if (ret) { rr->rr_maxrefs = atoi(ret); if (rr->rr_maxrefs < 0) rr->rr_maxrefs = 0; free(ret); } } /** Get and store a bit field. @param doc Pre-parsed XML document pointer. @param ctx Pre-allocated XML XPath context pointer. @param base XPath prefix to search @param rr Resource rule to store new information in. */ static void _get_rule_flag(xmlDocPtr doc, xmlXPathContextPtr ctx, const char *base, resource_rule_t * rr, const char *flag, int bit) { char xpath[256]; char *ret = NULL; snprintf(xpath, sizeof(xpath), "%s/attributes/@%s", base, flag); ret = xpath_get_one(doc, ctx, xpath); if (ret) { if (atoi(ret)) { rr->rr_flags |= bit; } else { rr->rr_flags &= ~bit; } free(ret); } } /** Get and store the version @param doc Pre-parsed XML document pointer. @param ctx Pre-allocated XML XPath context pointer. @param base XPath prefix to search @param rr Resource rule to store new information in. */ static void _get_version(xmlDocPtr doc, xmlXPathContextPtr ctx, char *base, resource_rule_t * rr) { char xpath[256]; char *ret = NULL; snprintf(xpath, sizeof(xpath), "%s/@version", base); ret = xpath_get_one(doc, ctx, xpath); if (ret) { rr->rr_version = ret; free(ret); } rr->rr_version = NULL; } int expand_time(char *val) { int curval, len; int ret = 0; char *start = val, ival[16]; if (!val) return (time_t) 0; while (start[0]) { len = 0; curval = 0; memset(ival, 0, sizeof(ival)); while (isdigit(start[len])) { ival[len] = start[len]; len++; } if (len) { curval = atoi(ival); } else { len = 1; } switch (start[len]) { case 0: case 'S': case 's': break; case 'M': case 'm': curval *= 60; break; case 'h': case 'H': curval *= 3600; break; case 'd': case 'D': curval *= 86400; break; case 'w': case 'W': curval *= 604800; break; case 'y': case 'Y': curval *= 31536000; break; default: curval = 0; } ret += (time_t) curval; start += len; } return ret; } /** * Store a resource action * @param actsp Action array; may be modified and returned! * @param name Name of the action * @param depth Resource depth (status/monitor; -1 means *ALL LEVELS* * ... this means that only the highest-level check depth * will ever be performed!) * @param timeout Timeout (not used) * @param interval Time interval for status/monitor * @return 0 on success, -1 on failure * */ int store_action(resource_act_t ** actsp, char *name, int depth, int timeout, int interval) { int x = 0, replace = 0; resource_act_t *acts = *actsp; if (!name) return -1; if (depth < 0 && timeout < 0 && interval < 0) return -1; if (!acts) { /* Can't create with anything < 0 */ if (depth < 0 || timeout < 0 || interval < 0) return -1; acts = malloc(sizeof(resource_act_t) * 2); if (!acts) return -1; acts[0].ra_name = name; acts[0].ra_depth = depth; acts[0].ra_timeout = timeout; acts[0].ra_interval = interval; acts[0].ra_last = 0; acts[1].ra_name = NULL; *actsp = acts; return 0; } for (x = 0; acts[x].ra_name; x++) { if (!strcmp(acts[x].ra_name, name) && (depth == acts[x].ra_depth || depth == -1)) { fprintf(stderr, "Replacing action '%s' depth %d: ", name, acts[x].ra_depth); if (timeout >= 0) { fprintf(stderr, "timeout: %d->%d ", (int)acts[x].ra_timeout, (int)timeout); acts[x].ra_timeout = timeout; } if (interval >= 0) { fprintf(stderr, "interval: %d->%d", (int)acts[x].ra_interval, (int)interval); acts[x].ra_interval = interval; } fprintf(stderr, "\n"); replace = 1; } } if (replace) /* If we replaced something, we're done */ return 1; /* Can't create with anything < 0 */ if (depth < 0 || timeout < 0 || interval < 0) return -1; acts = realloc(acts, sizeof(resource_act_t) * (x + 2)); if (!acts) return -1; acts[x].ra_name = name; acts[x].ra_depth = depth; acts[x].ra_timeout = timeout; acts[x].ra_interval = interval; acts[x].ra_last = 0; acts[x + 1].ra_name = NULL; *actsp = acts; return 0; } static void _get_actions(xmlDocPtr doc, xmlXPathContextPtr ctx, char *base, resource_rule_t * rr) { char xpath[256]; int idx = 0; char *act, *ret; int interval, timeout, depth; do { interval = 0; depth = 0; act = NULL; timeout = 0; snprintf(xpath, sizeof(xpath), "%s/action[%d]/@name", base, ++idx); act = xpath_get_one(doc, ctx, xpath); if (!act) break; snprintf(xpath, sizeof(xpath), "%s/action[%d]/@timeout", base, idx); ret = xpath_get_one(doc, ctx, xpath); if (ret) { timeout = expand_time(ret); if (timeout < 0) timeout = 0; free(ret); } snprintf(xpath, sizeof(xpath), "%s/action[%d]/@interval", base, idx); ret = xpath_get_one(doc, ctx, xpath); if (ret) { interval = expand_time(ret); if (interval < 0) interval = 0; free(ret); } if (!strcmp(act, "status") || !strcmp(act, "monitor")) { snprintf(xpath, sizeof(xpath), "%s/action[%d]/@depth", base, idx); ret = xpath_get_one(doc, ctx, xpath); if (ret) { depth = atoi(ret); if (depth < 0) depth = 0; free(ret); } } if (store_action(&rr->rr_actions, act, depth, timeout, interval) != 0) free(act); } while (1); } /** Store an attribute with the given name, value, and flags in a resource_t structure. XXX This could be rewritten to use the list macros. @param attrsp Attribute array to store new attribute in. @param name Name of attribute (must be non-null) @param value Value of attribute @param flags Attribute flags, or 0 if none. @return 0 on success, nonzero on error/failure */ int store_attribute(resource_attr_t ** attrsp, char *name, char *value, int flags) { int x = 0; resource_attr_t *attrs = *attrsp; if (!name) return -1; if (!attrs) { attrs = malloc(sizeof(resource_attr_t) * 2); if (!attrs) return -1; attrs[0].ra_name = name; attrs[0].ra_value = value; attrs[0].ra_flags = flags; attrs[1].ra_name = NULL; attrs[1].ra_value = NULL; *attrsp = attrs; return 0; } for (x = 0; attrs[x].ra_name; x++) ; attrs = realloc(attrs, sizeof(resource_attr_t) * (x + 2)); if (!attrs) return -1; /* Primary attribute goes first. This makes this interaction with CCS work way faster. */ if (flags & RA_PRIMARY) { attrs[x].ra_name = attrs[0].ra_name; attrs[x].ra_value = attrs[0].ra_value; attrs[x].ra_flags = attrs[0].ra_flags; attrs[0].ra_name = name; attrs[0].ra_value = value; attrs[0].ra_flags = flags; } else { attrs[x].ra_name = name; attrs[x].ra_value = value; attrs[x].ra_flags = flags; } attrs[x + 1].ra_name = NULL; attrs[x + 1].ra_value = NULL; *attrsp = attrs; return 0; } /** Store a child type in the child array of a resource rule. XXX Could be rewritten to use list macros. @param childp Child array. Might be modified. @param name Name of child type @param start Start level @param stop Stop level @param forbid Do NOT allow this child type to exist @param flags set to 1 to note that it was defined inline @return 0 on success, nonzero on failure */ static int store_childtype(resource_child_t ** childp, char *name, int start, int stop, int forbid, int flags) { int x = 0; resource_child_t *child = *childp; if (!name) return -1; if (!child) { child = malloc(sizeof(resource_child_t) * 2); if (!child) return -1; child[0].rc_name = name; child[0].rc_startlevel = start; child[0].rc_stoplevel = stop; child[0].rc_forbid = forbid; child[0].rc_flags = flags; child[1].rc_name = NULL; *childp = child; return 0; } for (x = 0; child[x].rc_name; x++) ; child = realloc(child, sizeof(resource_child_t) * (x + 2)); if (!child) return -1; child[x].rc_name = name; child[x].rc_startlevel = start; child[x].rc_stoplevel = stop; child[x].rc_forbid = forbid; child[x].rc_flags = flags; child[x + 1].rc_name = NULL; *childp = child; return 0; } /** Get and store attributes for a given instance of a resource rule. @param doc Pre-parsed XML document pointer. @param ctx Pre-allocated XML XPath context pointer. @param base XPath prefix to search @param rr Resource rule to store new information in. @return 0 */ static int _get_rule_attrs(xmlDocPtr doc, xmlXPathContextPtr ctx, const char *base, resource_rule_t * rr) { char *ret, *attrname, *dflt = NULL, xpath[256]; int x, flags, primary_found = 0; for (x = 1; 1; x++) { snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@name", base, x); ret = xpath_get_one(doc, ctx, xpath); if (!ret) break; flags = 0; attrname = ret; /* See if there's a default value. */ snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/content/@default", base, x); dflt = xpath_get_one(doc, ctx, xpath); /* See if this is either the primary identifier or a required field. */ snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@required", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { if ((atoi(ret) != 0) || (ret[0] == 'y')) flags |= RA_REQUIRED; free(ret); } /* See if this is supposed to be unique */ snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@unique", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { if ((atoi(ret) != 0) || (ret[0] == 'y')) flags |= RA_UNIQUE; free(ret); } snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@primary", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { if ((atoi(ret) != 0) || (ret[0] == 'y')) { if (primary_found) { free(ret); fprintf(stderr, "Multiple primary " "definitions for " "resource type %s\n", rr->rr_type); return -1; } flags |= RA_PRIMARY; primary_found = 1; } free(ret); } /* See if this can be reconfigured on the fly without a stop/start */ snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@reconfig", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { if ((atoi(ret) != 0) || (ret[0] == 'y')) flags |= RA_RECONFIG; free(ret); } /* See if this is supposed to be inherited */ snprintf(xpath, sizeof(xpath), "%s/parameter[%d]/@inherit", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { flags |= RA_INHERIT; if (flags & (RA_REQUIRED | RA_PRIMARY | RA_UNIQUE)) { free(ret); fprintf(stderr, "Can not inherit and be primary, " "unique, or required\n"); return -1; } /* don't free ret. Store as attr value. If we had a default value specified from above, free it; inheritance supercedes a specified default value. */ if (dflt) free(dflt); } else { /* Use default value, if specified, as the attribute value. */ ret = dflt; } /* Store the attribute. We'll ensure all required attributes are present soon. */ if (attrname) store_attribute(&rr->rr_attrs, attrname, ret, flags); } return 0; } /** Get and store attributes for a given instance of a resource. @param doc Pre-parsed XML document pointer. @param ctx Pre-allocated XML XPath context pointer. @param base XPath prefix to search @param rr Resource rule to store new information in. @return 0 */ static int _get_childtypes(xmlDocPtr doc, xmlXPathContextPtr ctx, char *base, resource_rule_t * rr) { char *ret, *childname, xpath[256]; int x, startlevel = 0, stoplevel = 0, forbid = 0; for (x = 1; 1; x++) { snprintf(xpath, sizeof(xpath), "%s/child[%d]/@type", base, x); ret = xpath_get_one(doc, ctx, xpath); if (!ret) break; startlevel = stoplevel = forbid = 0; childname = ret; /* Try to get the start level if it exists */ snprintf(xpath, sizeof(xpath), "%s/child[%d]/@start", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { startlevel = atoi(ret); free(ret); } /* Try to get the stop level if it exists */ snprintf(xpath, sizeof(xpath), "%s/child[%d]/@stop", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { stoplevel = atoi(ret); free(ret); } /* Get the 'forbidden' flag if it exists */ snprintf(xpath, sizeof(xpath), "%s/child[%d]/@forbid", base, x); if ((ret = xpath_get_one(doc, ctx, xpath))) { forbid = atoi(ret); free(ret); } /* Store the attribute. We'll ensure all required attributes are present soon. */ if (childname) store_childtype(&rr->rr_childtypes, childname, startlevel, stoplevel, forbid, 0); } return 0; } /** Read a file from a stdout pipe. */ static int read_pipe(int fd, char **file, size_t * length) { char buf[4096]; int n, done = 0; *file = NULL; *length = 0; while (!done) { n = read(fd, buf, sizeof(buf)); if (n < 0) { if (errno == EINTR) continue; if (*file) free(*file); return -1; } if (n == 0 && (!*length)) return 0; if (n == 0) { done = 1; } if (*file) *file = realloc(*file, (*length) + n + done); else *file = malloc(n + done); if (!*file) return -1; memcpy((*file) + (*length), buf, n); *length += (done + n); } /* Null terminator */ (*file)[(*length) - 1] = 0; return 0; } static xmlDocPtr read_resource_agent_metadata(char *filename) { int pid; int _pipe[2]; char *data; size_t size; xmlDocPtr doc; if (pipe(_pipe) == -1) return NULL; pid = fork(); if (pid == -1) { close(_pipe[0]); close(_pipe[1]); } if (pid == 0) { /* child */ close(0); close(1); close(2); close(_pipe[0]); dup2(_pipe[1], 1); close(_pipe[1]); /* exec */ execl(filename, filename, "meta-data", NULL); exit(1); } close(_pipe[1]); /* parent */ if (read_pipe(_pipe[0], &data, &size) == -1) { close(_pipe[0]); return NULL; } waitpid(pid, NULL, 0); close(_pipe[0]); if (!size) return NULL; doc = xmlParseMemory(data, size); free(data); return doc; } /** Load the XML rule set for a resource and store attributes, constructing a new resource_t structure. @param filename File name to load rules from @param rules Rule list to add new rules to @return 0 */ static int load_resource_rulefile(char *filename, resource_rule_t ** rules) { resource_rule_t *rr = NULL; xmlDocPtr doc = NULL; xmlXPathContextPtr ctx = NULL; int ruleid = 0; char *type; char base[256]; doc = read_resource_agent_metadata(filename); if (!doc) return 0; ctx = xmlXPathNewContext(doc); do { /* Look for resource types */ snprintf(base, sizeof(base), "/resource-agent[%d]/@name", ++ruleid); type = xpath_get_one(doc, ctx, base); if (!type) break; if (!strcasecmp(type, "action")) { fprintf(stderr, "Error: Resource type '%s' is reserved", type); free(type); break; } rr = malloc(sizeof(*rr)); if (!rr) break; memset(rr, 0, sizeof(*rr)); rr->rr_flags = RF_INIT | RF_DESTROY; rr->rr_type = type; snprintf(base, sizeof(base), "/resource-agent[%d]", ruleid); /* First, grab the global attributes if existent */ _get_version(doc, ctx, base, rr); snprintf(base, sizeof(base), "/resource-agent[%d]/special[@tag=\"rgmanager\"]", ruleid); _get_maxparents(doc, ctx, base, rr); _get_rule_flag(doc, ctx, base, rr, "init_on_add", RF_INIT); _get_rule_flag(doc, ctx, base, rr, "destroy_on_delete", RF_DESTROY); rr->rr_agent = strdup(filename); /* Second, add the children fields */ _get_childtypes(doc, ctx, base, rr); /* Get the OCF status check intervals/monitor. */ snprintf(base, sizeof(base), "/resource-agent[%d]/actions", ruleid); _get_actions(doc, ctx, base, rr); /* Last, load the attributes from our XML file and their respective instantiations from CCS */ snprintf(base, sizeof(base), "/resource-agent[%d]/parameters", ruleid); if (_get_rule_attrs(doc, ctx, base, rr) < 0) { destroy_resource_rule(rr); rr = NULL; } if (!rr) continue; if (store_rule(rules, rr) != 0) { destroy_resource_rule(rr); rr = NULL; } } while (1); if (ctx) xmlXPathFreeContext(ctx); if (doc) xmlFreeDoc(doc); return 0; } /** Load all the resource rules we can find from our resource root directory. @param rules Rule list to create/add to @return 0 on success, -1 on failure. Sucess does not imply any rules have been found; only that no errors were encountered. */ int load_resource_rules(const char *rpath, resource_rule_t ** rules) { DIR *dir; struct dirent *de; char *fn, *dot; char path[2048]; struct stat st_buf; dir = opendir(rpath); if (!dir) return -1; xmlInitParser(); while ((de = readdir(dir))) { fn = basename(de->d_name); if (!fn) continue; /* Ignore files with common backup extension */ if ((fn != NULL) && (strlen(fn) > 0) && (fn[strlen(fn) - 1] == '~')) continue; /* Ignore hidden files */ if (*fn == '.') continue; dot = strrchr(fn, '.'); if (dot) { /* Ignore RPM installed save files, patches, diffs, etc. */ if (!strncasecmp(dot, ".rpm", 4)) { fprintf(stderr, "Warning: " "Ignoring %s/%s: Bad extension %s\n", rpath, de->d_name, dot); continue; } } snprintf(path, sizeof(path), "%s/%s", rpath, de->d_name); if (stat(path, &st_buf) < 0) continue; if (S_ISDIR(st_buf.st_mode)) continue; if (st_buf.st_mode & (S_IXUSR | S_IXOTH | S_IXGRP)) { //printf("Loading resource rule from %s\n", path); load_resource_rulefile(path, rules); } } closedir(dir); return 0; } /** Find a resource rule given its type. @param rulelist Rule list to search @param type Rule type identifier @return Resource rule or NULL if not found. */ resource_rule_t * find_rule_by_type(resource_rule_t ** rulelist, char *type) { resource_rule_t *curr = NULL; list_do(rulelist, curr) { if (!strcmp(curr->rr_type, type)) return curr; } while (!list_done(rulelist, curr)) ; return NULL; } pacemaker-master/extra/rgmanager/restree.c000066400000000000000000000521561217637305600212250ustar00rootroot00000000000000/* Copyright Red Hat, Inc. 2004-2006 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Fix for #193859 - relocation of a service w/o umounting file-systems by Navid Sheikhol-Eslami [ navid at redhat dot com ] */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* XXX from resrules.c */ int store_childtype(resource_child_t ** childp, char *name, int start, int stop, int forbid, int flags); int _res_op(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first, char *type); static inline int _res_op_internal(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first, char *type, resource_node_t * node); /* XXX from reslist.c */ void *act_dup(resource_act_t * acts); /** Fold a resource into an XML node. @param xpp XML node pp @param rmp resources block pp @param node Resource tree node we're dealing with @param op Operation to perform (stop/start/etc.) @param depth OCF Check level/depth @return Return value of script. @see build_env */ static int res_do_flatten(xmlNode ** xpp, xmlNode * rmp, resource_node_t * node, const char *arg, int depth) { xmlNode *n, *r; resource_attr_t *ra; resource_t *res = node->rn_resource; char *val; char buf[256]; int x, y; n = xmlNewNode(NULL, (xmlChar *) node->rn_resource->r_rule->rr_type); xmlSetProp(n, (xmlChar *) "rgmanager-meta-agent", (xmlChar *) basename(node->rn_resource->r_rule->rr_agent)); /* Multiple-instance resources must be decomposed into separate resources */ if (node->rn_resource->r_refs > 1) { snprintf(buf, sizeof(buf), "%s_%d", primary_attr_value(node->rn_resource), node->rn_resource->r_incarnations); ++node->rn_resource->r_incarnations; } else { snprintf(buf, sizeof(buf), "%s", primary_attr_value(node->rn_resource)); } for (x = 0; node->rn_resource->r_attrs && node->rn_resource->r_attrs[x].ra_name; x++) { ra = &node->rn_resource->r_attrs[x]; if (ra->ra_flags & RA_PRIMARY) { xmlSetProp(n, (xmlChar *) ra->ra_name, (xmlChar *) buf); } else { val = attr_value(node, res->r_attrs[x].ra_name); if (!val) continue; for (y = 0; res->r_rule->rr_attrs[y].ra_name; y++) { if (strcmp(ra->ra_name, res->r_rule->rr_attrs[y].ra_name)) continue; if (!res->r_rule->rr_attrs[y].ra_value || strcmp(val, res->r_rule->rr_attrs[y].ra_value)) xmlSetProp(n, (xmlChar *) ra->ra_name, (xmlChar *) val); } } } if (!*xpp) { /* Add top-level container */ *xpp = n; } else { if (!rmp) { xmlAddChild(*xpp, n); } else { r = xmlNewNode(NULL, (xmlChar *) node->rn_resource->r_rule->rr_type); xmlSetProp(r, (xmlChar *) "ref", (xmlChar *) primary_attr_value(node->rn_resource)); xmlAddChild(rmp, n); xmlAddChild(*xpp, r); } } return 0; } static inline void assign_restart_policy(resource_t * curres, resource_node_t * parent, resource_node_t * node, char *base) { char *val; int max_restarts = 0; time_t restart_expire_time = 0; char tok[1024]; if (!curres || !node) return; if (parent && !(node->rn_flags & RF_INDEPENDENT)) return; if (node->rn_flags & RF_INDEPENDENT) { /* per-resource-node failures / expire times */ snprintf(tok, sizeof(tok), "%s/@__max_restarts", base); if (conf_get(tok, &val) == 0) { max_restarts = atoi(val); if (max_restarts <= 0) max_restarts = 0; free(val); } snprintf(tok, sizeof(tok), "%s/@__restart_expire_time", base); if (conf_get(tok, &val) == 0) { restart_expire_time = (time_t) expand_time(val); if ((int64_t) restart_expire_time <= 0) restart_expire_time = 0; free(val); } //if (restart_expire_time == 0 || max_restarts == 0) return; //goto out_assign; } val = (char *)res_attr_value(curres, "max_restarts"); if (!val) return; max_restarts = atoi(val); if (max_restarts <= 0) return; val = res_attr_value(curres, "restart_expire_time"); if (val) { restart_expire_time = (time_t) expand_time(val); if ((int64_t) restart_expire_time < 0) return; } //out_assign: return; } static inline int do_load_resource(char *base, resource_rule_t * rule, resource_node_t ** tree, resource_t ** reslist, resource_node_t * parent, resource_node_t ** newnode) { char tok[512]; char *ref; resource_node_t *node; resource_t *curres; time_t failure_expire = 0; int max_failures = 0; snprintf(tok, sizeof(tok), "%s/@ref", base); if (conf_get(tok, &ref) != 0) { /* There wasn't an existing resource. See if there is one defined inline */ curres = load_resource(rule, base); if (!curres) { /* No ref and no new one inline == no more of the selected type */ return 1; } if (store_resource(reslist, curres) != 0) { fprintf(stderr, "Error storing %s resource\n", curres->r_rule->rr_type); destroy_resource(curres); return -1; } curres->r_flags = RF_INLINE; } else { curres = find_resource_by_ref(reslist, rule->rr_type, ref); if (!curres) { fprintf(stderr, "Error: Reference to nonexistent " "resource %s (type %s)\n", ref, rule->rr_type); free(ref); return -1; } if (curres->r_flags & RF_INLINE) { fprintf(stderr, "Error: Reference to inlined " "resource %s (type %s) is illegal\n", ref, rule->rr_type); free(ref); return -1; } free(ref); } /* Load it if its max refs hasn't been exceeded */ if (rule->rr_maxrefs && (curres->r_refs >= rule->rr_maxrefs)) { fprintf(stderr, "Warning: Max references exceeded for resource" " %s (type %s)\n", curres->r_attrs[0].ra_name, rule->rr_type); return -1; } node = malloc(sizeof(*node)); if (!node) return -1; memset(node, 0, sizeof(*node)); //printf("New resource tree node: %s:%s \n", curres->r_rule->rr_type,curres->r_attrs->ra_value); node->rn_child = NULL; node->rn_parent = parent; node->rn_resource = curres; node->rn_state = RES_STOPPED; node->rn_flags = 0; node->rn_actions = (resource_act_t *) act_dup(curres->r_actions); if (parent) { /* Independent subtree / non-critical for top-level is * not useful and can interfere with restart thresholds for * non critical resources */ snprintf(tok, sizeof(tok), "%s/@__independent_subtree", base); if (conf_get(tok, &ref) == 0) { if (atoi(ref) == 1 || strcasecmp(ref, "yes") == 0) node->rn_flags |= RF_INDEPENDENT; if (atoi(ref) == 2 || strcasecmp(ref, "non-critical") == 0) { curres->r_flags |= RF_NON_CRITICAL; } free(ref); } } snprintf(tok, sizeof(tok), "%s/@__enforce_timeouts", base); if (conf_get(tok, &ref) == 0) { if (atoi(ref) > 0 || strcasecmp(ref, "yes") == 0) node->rn_flags |= RF_ENFORCE_TIMEOUTS; free(ref); } /* per-resource-node failures / expire times */ snprintf(tok, sizeof(tok), "%s/@__max_failures", base); if (conf_get(tok, &ref) == 0) { max_failures = atoi(ref); if (max_failures < 0) max_failures = 0; free(ref); } snprintf(tok, sizeof(tok), "%s/@__failure_expire_time", base); if (conf_get(tok, &ref) == 0) { failure_expire = (time_t) expand_time(ref); if ((int64_t) failure_expire < 0) failure_expire = 0; free(ref); } if (max_failures && failure_expire) { /* node->rn_failure_counter = restart_init(failure_expire, max_failures); */ } curres->r_refs++; if (curres->r_refs > 1 && (curres->r_flags & RF_NON_CRITICAL)) { res_build_name(tok, sizeof(tok), curres); fprintf(stderr, "Non-critical flag for %s is being cleared due to multiple references.\n", tok); curres->r_flags &= ~RF_NON_CRITICAL; } if (curres->r_flags & RF_NON_CRITICAL) { /* Independent subtree is implied if a * resource is non-critical */ node->rn_flags |= RF_NON_CRITICAL | RF_INDEPENDENT; } assign_restart_policy(curres, parent, node, base); *newnode = node; list_insert(tree, node); return 0; } /** Build the resource tree. If a new resource is defined inline, add it to the resource list. All rules, however, must have already been read in. @param tree Tree to modify/insert on to @param parent Parent node, if one exists. @param rule Rule surrounding the new node @param rulelist List of all rules allowed in the tree. @param reslist List of all currently defined resources @param base Base CCS path. @see destroy_resource_tree */ #define RFL_FOUND 0x1 #define RFL_FORBID 0x2 static int build_tree(resource_node_t ** tree, resource_node_t * parent, resource_rule_t * rule, resource_rule_t ** rulelist, resource_t ** reslist, char *base) { char tok[512]; resource_rule_t *childrule; resource_node_t *node; char *ref; char *tmp; int ccount = 0, x = 0, y = 0, flags = 0; //printf("DESCEND: %s / %s\n", rule?rule->rr_type:"(none)", base); /* Pass 1: typed / defined children */ for (y = 0; rule && rule->rr_childtypes && rule->rr_childtypes[y].rc_name; y++) { flags = 0; list_for(rulelist, childrule, x) { if (strcmp(rule->rr_childtypes[y].rc_name, childrule->rr_type)) continue; flags |= RFL_FOUND; if (rule->rr_childtypes[y].rc_forbid) flags |= RFL_FORBID; break; } if (flags & RFL_FORBID) /* Allow all *but* forbidden */ continue; if (!(flags & RFL_FOUND)) /* Not found? Wait for pass 2 */ continue; //printf("looking for %s %s @ %s\n", //rule->rr_childtypes[y].rc_name, //childrule->rr_type, base); for (x = 1;; x++) { /* Search for base/type[x]/@ref - reference an existing resource */ snprintf(tok, sizeof(tok), "%s/%s[%d]", base, childrule->rr_type, x); flags = 1; switch (do_load_resource(tok, childrule, tree, reslist, parent, &node)) { case -1: continue; case 1: /* 1 == no more */ //printf("No resource found @ %s\n", tok); flags = 0; break; case 0: break; } if (!flags) break; /* Got a child :: bump count */ snprintf(tok, sizeof(tok), "%s/%s[%d]", base, childrule->rr_type, x); /* Kaboom */ build_tree(&node->rn_child, node, childrule, rulelist, reslist, tok); } } /* Pass 2: untyped children */ for (ccount = 1;; ccount++) { snprintf(tok, sizeof(tok), "%s/child::*[%d]", base, ccount); if (conf_get(tok, &ref) != 0) { /* End of the line. */ //printf("End of the line: %s\n", tok); break; } tmp = strchr(ref, '='); if (tmp) { *tmp = 0; } else { /* no = sign... bad */ free(ref); continue; } /* Find the resource rule */ flags = 0; list_for(rulelist, childrule, x) { if (!strcasecmp(childrule->rr_type, ref)) { /* Ok, matching rule found */ flags = 1; break; } } /* No resource rule matching the child? Press on... */ if (!flags) { free(ref); continue; } flags = 0; /* Don't descend on anything we should have already picked up on in the above loop */ for (y = 0; rule && rule->rr_childtypes && rule->rr_childtypes[y].rc_name; y++) { /* SKIP defined child types of any type */ if (strcmp(rule->rr_childtypes[y].rc_name, ref)) continue; if (rule->rr_childtypes[y].rc_flags == 0) { /* 2 = defined as a real child */ flags = 2; break; } flags = 1; break; } free(ref); if (flags == 2) continue; x = 1; switch (do_load_resource(tok, childrule, tree, reslist, parent, &node)) { case -1: continue; case 1: /* no more found */ x = 0; fprintf(stderr, "No resource found @ %s\n", tok); break; case 0: /* another is found */ break; } if (!x) /* no more found */ break; /* childrule = rule set of this child at this point */ /* tok = set above; if we got this far, we're all set */ /* Kaboom */ build_tree(&node->rn_child, node, childrule, rulelist, reslist, tok); } //printf("ASCEND: %s / %s\n", rule?rule->rr_type:"(none)", base); return 0; } /** Set up to call build_tree. Hides the nastiness from the user. @param tree Tree pointer. Should start as a pointer to NULL. @param rulelist List of all rules allowed @param reslist List of all currently defined resources @return 0 @see build_tree destroy_resource_tree */ int build_resource_tree(resource_node_t ** tree, resource_rule_t ** rulelist, resource_t ** reslist) { resource_node_t *root = NULL; char tok[512]; snprintf(tok, sizeof(tok), "%s", RESOURCE_TREE_ROOT); /* Find and build the list of root nodes */ build_tree(&root, NULL, NULL /*curr */ , rulelist, reslist, tok); if (root) *tree = root; return 0; } /** Deconstruct a resource tree. @param tree Tree to obliterate. @see build_resource_tree */ void destroy_resource_tree(resource_node_t ** tree) { resource_node_t *node; while ((node = *tree)) { if ((*tree)->rn_child) destroy_resource_tree(&(*tree)->rn_child); list_remove(tree, node); if (node->rn_actions) { free(node->rn_actions); } free(node); } } static inline int _do_child_levels(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first) { resource_node_t *node = *tree; resource_t *res = node->rn_resource; resource_rule_t *rule = res->r_rule; int l, lev, x, rv = 0; for (l = 1; l <= RESOURCE_MAX_LEVELS; l++) { for (x = 0; rule->rr_childtypes && rule->rr_childtypes[x].rc_name; x++) { lev = rule->rr_childtypes[x].rc_startlevel; if (!lev || lev != l) continue; /* Do op on all children at our level */ rv |= _res_op(xpp, rmp, &node->rn_child, first, rule->rr_childtypes[x].rc_name); if (rv & SFL_FAILURE) return rv; } if (rv != 0) return rv; } return rv; } static inline int _xx_child_internal(xmlNode ** xpp, xmlNode * rmp, resource_node_t * node, resource_t * first, resource_node_t * child) { int x; resource_rule_t *rule = node->rn_resource->r_rule; for (x = 0; rule->rr_childtypes && rule->rr_childtypes[x].rc_name; x++) { if (!strcmp(child->rn_resource->r_rule->rr_type, rule->rr_childtypes[x].rc_name)) { if (rule->rr_childtypes[x].rc_startlevel || rule->rr_childtypes[x].rc_stoplevel) { return 0; } } } return _res_op_internal(xpp, rmp, &child, first, child->rn_resource->r_rule->rr_type, child); } static inline int _do_child_default_level(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first) { resource_node_t *node = *tree, *child; int y, rv = 0; list_for(&node->rn_child, child, y) { rv |= _xx_child_internal(xpp, rmp, node, first, child); if (rv & SFL_FAILURE) return rv; } return rv; } /** Nasty codependent function. Perform an operation by numerical level at some point in the tree. This allows indirectly-dependent resources (such as IP addresses and user scripts) to have ordering without requiring a direct dependency. @param tree Resource tree to search/perform operations on @param first Resource we're looking to perform the operation on, if one exists. @param ret Unused, but will be used to store status information such as resources consumed, etc, in the future. @param op Operation to perform if either first is found, or no first is declared (in which case, all nodes in the subtree). @see _res_op res_exec */ static int _res_op_by_level(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first) { resource_node_t *node = *tree; resource_t *res = node->rn_resource; resource_rule_t *rule = res->r_rule; int rv = 0; if (!rule->rr_childtypes) return _res_op(xpp, rmp, &node->rn_child, first, NULL); rv |= _do_child_levels(xpp, rmp, tree, first); if (rv & SFL_FAILURE) return rv; /* default level after specified ones */ rv |= _do_child_default_level(xpp, rmp, tree, first); return rv; } /** Nasty codependent function. Perform an operation by type for all siblings at some point in the tree. This allows indirectly-dependent resources (such as IP addresses and user scripts) to have ordering without requiring a direct dependency. @param tree Resource tree to search/perform operations on @param first Resource we're looking to perform the operation on, if one exists. @param type Type to look for. @see _res_op_by_level res_exec */ static inline int _res_op_internal(xmlNode ** xpp, xmlNode * rmp, resource_node_t __attribute__ ((unused)) ** tree, resource_t * first, char *type, resource_node_t * node) { int rv = 0, me; /* Restore default operation. */ /* If we're starting by type, do that funky thing. */ if (type && strlen(type) && strcmp(node->rn_resource->r_rule->rr_type, type)) return 0; /* If the resource is found, all nodes in the subtree must have the operation performed as well. */ me = !first || (node->rn_resource == first); /* Start starts before children */ if (me) { rv = res_do_flatten(xpp, rmp, node, NULL, 0); } if (node->rn_child) { rv |= _res_op_by_level(xpp, rmp, &node, me ? NULL : first); } return rv; } /** Nasty codependent function. Perform an operation by type for all siblings at some point in the tree. This allows indirectly-dependent resources (such as IP addresses and user scripts) to have ordering without requiring a direct dependency. @param tree Resource tree to search/perform operations on @param first Resource we're looking to perform the operation on, if one exists. @param type Type to look for. @see _res_op_by_level res_exec */ int _res_op(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * first, char *type) { resource_node_t *node; int count = 0, rv = 0; list_for(tree, node, count) { rv |= _res_op_internal(xpp, rmp, tree, first, type, node); if (rv & SFL_FAILURE) return rv; } return rv; } /** Flatten resources for a service and return the pointer to it. @param tree Tree to search for our resource. @param res Resource to start/stop @param ret Unused */ int res_flatten(xmlNode ** xpp, xmlNode * rmp, resource_node_t ** tree, resource_t * res) { return _res_op(xpp, rmp, tree, res, NULL); } pacemaker-master/extra/rgmanager/tests/000077500000000000000000000000001217637305600205415ustar00rootroot00000000000000pacemaker-master/extra/rgmanager/tests/test1.conf000066400000000000000000000021461217637305600224530ustar00rootroot00000000000000

The following Pacemaker documentation was generated from the upstream sources

  • Version: $version
    "; foreach (glob("build-$version.txt") as $filename) { readfile($filename); } echo "
      "; foreach (glob("$base/*/Pacemaker/$version") as $item) { $lang = basename(dirname(dirname($item))); $books = array(); foreach (glob("$base/$lang/Pacemaker/$version/pdf/*") as $filename) { $books[] = basename($filename); } foreach ($books as $b) { echo "
    • ".str_replace("_", " ", $b)." ($lang)"; foreach (glob("$base/$lang/Pacemaker/$version/epub/$b/*.epub") as $filename) { echo " [epub]"; } foreach (glob("$base/$lang/Pacemaker/$version/pdf/$b/*.pdf") as $filename) { echo " [pdf]"; } foreach (glob("$base/$lang/Pacemaker/$version/html/$b/index.html") as $filename) { echo " [html]"; } foreach (glob("$base/$lang/Pacemaker/$version/html-single/$b/index.html") as $filename) { echo " [html-single]"; } foreach (glob("$base/$lang/Pacemaker/$version/txt/$b/*.txt") as $filename) { echo " [txt]"; } } echo "

      • "; } echo "
    "; } $docs = array(); foreach (glob("*.html") as $file) { $fields = explode(".", $file, -1); $docs[] = implode(".", $fields); } foreach (glob("*.pdf") as $file) { $fields = explode(".", $file, -1); $docs[] = implode(".", $fields); } echo "
      "; foreach(array_unique($docs) as $doc) { echo "
    • $doc"; foreach (glob("$doc.pdf") as $filename) { echo " [pdf]"; } foreach (glob("$doc.html") as $filename) { echo " [html]"; } foreach (glob("$doc.txt") as $filename) { echo " [txt]"; } echo "
      • "; } foreach(get_versions(".") as $v) { docs_for_version(".", $v); } echo "
    "; ?>

    You can find additional documentation and details about the Pacemaker project at http://www.clusterlabs.org.

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