On Tue, Jul 5, 2011 at 2:37 PM, Vladislav Bogdanov <bub...@hoster-ok.com> wrote: > 05.07.2011 04:44, Andrew Beekhof wrote: >> Looks like the VirtualDomain RA isn't correctly implementing stop. >> Stop of an undefined domain shouldn't produce an error. > > Nope, it just cries in logs, nothing more.
Hmmm. Better log a bug then and include a crm_report. I've almost caught up on emails now, so I should be able to start looking at tarballs and bugs soon. > > process_lrm_event: LRM operation > mgmt01.c01.ttc.prague.cz.vds-ok.com-vm_stop_0 (call=1006, rc=0, > cib-update=1031, confirmed=true) ok > > And, that stop operation is fired a little bit after lrmd made its verdict. > >> >> On Mon, Jul 4, 2011 at 9:51 PM, Vladislav Bogdanov <bub...@hoster-ok.com> >> wrote: >>> Hi all, >>> >>> There is feeling that race condition is possible during live migration >>> of resources. >>> >>> I put one node to standby mode, that made all resources migrate to >>> another one. >>> Virtual machines were successfully live-migrated, but then marked as >>> FAILED almost immediately. >>> Logs show some interesting details: >>> ========= >>> Jul 4 10:21:48 s01-1 VirtualDomain[22988]: INFO: >>> mgmt01.c01.ttc.prague.cz.vds-ok.com: live migration to s01-0 succeeded. >>> Jul 4 10:21:48 s01-1 lrmd: [7741]: info: RA output: >>> (mgmt01.c01.ttc.prague.cz.vds-ok.com-vm:migrate_to:stdout) Domain >>> mgmt01.c01.ttc.prague.cz.vds-ok.com has been undefined >>> Jul 4 10:21:48 s01-0 VirtualDomain[4641]: INFO: >>> mgmt01.c01.ttc.prague.cz.vds-ok.com: live migration from s01-1 succeeded. >>> Jul 4 10:21:49 s01-0 lrmd: [1927]: info: RA output: >>> (mgmt01.c01.ttc.prague.cz.vds-ok.com-vm:migrate_from:stderr) >>> mgmt01.c01.ttc.prague.cz.vds-ok.com-vm is active on more than one node, >>> returning the default value for <null> >>> Jul 4 10:21:49 s01-1 crmd: [7744]: info: do_lrm_rsc_op: Performing >>> key=110:695:0:7ae65826-5d35-41c0-945a-8336ecb0bc3c >>> op=mgmt01.c01.ttc.prague.cz.vds-ok.com-vm_stop_0 ) >>> Jul 4 10:21:49 s01-1 lrmd: [7741]: info: >>> rsc:mgmt01.c01.ttc.prague.cz.vds-ok.com-vm:1006: stop >>> Jul 4 10:21:49 s01-1 VirtualDomain[24062]: ERROR: Virtual domain >>> mgmt01.c01.ttc.prague.cz.vds-ok.com has no state during stop operation, >>> bailing out. >>> Jul 4 10:21:49 s01-1 crmd: [7744]: info: process_lrm_event: LRM >>> operation mgmt01.c01.ttc.prague.cz.vds-ok.com-vm_stop_0 (call=1006, >>> rc=0, cib-update=1031, confirmed=true) ok >>> ========= >>> Note that line with "is active on more than one node" follows "migration >>> from s01-1 succeeded" immediately in syslog (in both local and remote >>> files), so it was put into syslog queue immediately after former one. >>> >>> From what I understand, lrmd made decision to fail resource just because >>> 'stop' operation was not yet run on another node. >>> >>> What else can it be if my feeling is wrong? >>> >>> Version of pacemaker is 'almost' 1.1-devel tip. >>> cluster-glue is 1.0.7 >>> I use own version of VirtualDomain RA, but it has the same migration >>> logic as a stock one. >>> >>> Best, >>> Vladislav >>> >>> _______________________________________________ >>> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >>> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >>> >>> Project Home: http://www.clusterlabs.org >>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >>> Bugs: >>> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker >>> >> >> _______________________________________________ >> Pacemaker mailing list: Pacemaker@oss.clusterlabs.org >> http://oss.clusterlabs.org/mailman/listinfo/pacemaker >> >> Project Home: http://www.clusterlabs.org >> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf >> Bugs: >> http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker > > > _______________________________________________ > Pacemaker mailing list: Pacemaker@oss.clusterlabs.org > http://oss.clusterlabs.org/mailman/listinfo/pacemaker > > Project Home: http://www.clusterlabs.org > Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf > Bugs: > http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker > _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker