[Users] VM Migration failed

Meital Bourvine mbourvin at redhat.com
Fri Jan 17 22:07:49 UTC 2014


I opened a bug about missing info in UI:
https://bugzilla.redhat.com/show_bug.cgi?id=1054994

It actually failed with this error:
Thread-1417::DEBUG::2014-01-17 17:01:28,344::vm::768::vm.Vm::(run) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::starting migration monitor thread
Thread-1415::DEBUG::2014-01-17 17:01:28,409::libvirtconnection::108::libvirtconnection::(wrapper) Unknown libvirterror: ecode: 38 edom: 42 level: 2 message: Failed to inquire lock: No such process
Thread-1415::DEBUG::2014-01-17 17:01:28,409::vm::745::vm.Vm::(cancel) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::canceling migration downtime thread
Thread-1415::DEBUG::2014-01-17 17:01:28,409::vm::815::vm.Vm::(stop) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::stopping migration monitor thread
Thread-1416::DEBUG::2014-01-17 17:01:28,409::vm::742::vm.Vm::(run) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::migration downtime thread exiting
Thread-1415::ERROR::2014-01-17 17:01:28,410::vm::238::vm.Vm::(_recover) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::Failed to inquire lock: No such process
Thread-1415::ERROR::2014-01-17 17:01:28,619::vm::337::vm.Vm::(run) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::Failed to migrate
Traceback (most recent call last):
  File "/usr/share/vdsm/vm.py", line 323, in run
    self._startUnderlyingMigration()
  File "/usr/share/vdsm/vm.py", line 400, in _startUnderlyingMigration
    None, maxBandwidth)
  File "/usr/share/vdsm/vm.py", line 838, in f
    ret = attr(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/vdsm/libvirtconnection.py", line 76, in wrapper
    ret = f(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1178, in migrateToURI2
    if ret == -1: raise libvirtError ('virDomainMigrateToURI2() failed', dom=self)
libvirtError: Failed to inquire lock: No such process
Thread-26::ERROR::2014-01-17 17:01:28,917::sampling::355::vm.Vm::(collect) vmId=`b8787906-187a-4234-a0c9-58fc4ddf2a57`::Stats function failed: <AdvancedStatsFunction _highWrite at 0x26efb58>

The problem is that it doesn't say which process...

----- Original Message -----
> From: "Itamar Heim" <iheim at redhat.com>
> To: "Edgars M." <edgars.mazurs at gmail.com>, "Meital Bourvine" <mbourvin at redhat.com>
> Cc: users at ovirt.org, "Michal Skrivanek" <mskrivan at redhat.com>
> Sent: Friday, January 17, 2014 9:47:11 PM
> Subject: Re: [Users] VM Migration failed
> 
> On 01/17/2014 06:25 PM, Edgars M. wrote:
> > Hi Meital
> >
> > I tried to migrate another VM and it also failed.
> >
> > This is what I get in UI:
> >
> >
> > Migration started (VM: nophpapp01, Source: novmnode1, Destination:
> > novmnode2, User: edgarsm).
> > Migration failed due to Error: Fatal error during migration. Trying to
> > migrate to another Host (VM: nophpapp01, Source: novmnode1, Destination:
> > novmnode2).
> > Migration failed due to Error: Fatal error during migration (VM:
> > nophpapp01, Source: novmnode1, Destination: novmnode2).
> >
> > There is nothing in /var/log/messages, neither on engine server nor nodes.
> >
> >
> > See attachments for engine and vdsm logs. (I am migrating from vmnode1
> > to vmnode2)
> 
> whatever the issue is here, can you please open a bug on trying to
> return more info to user on the migration error itself (for easier
> troubleshooting).
> 
> thanks,
>     Itamar
> 
> >
> > Thanks for the help
> > Edgars
> >
> >
> >
> >
> >
> >
> >
> > On Fri, Jan 17, 2014 at 4:46 PM, Meital Bourvine <mbourvin at redhat.com
> > <mailto:mbourvin at redhat.com>> wrote:
> >
> >     Which error are you getting in the UI?
> >     Can you please attach the full engine and vdsm logs?
> >     Also, please check if there is a relevant error in /var/log/messages
> >
> >
> >     ------------------------------------------------------------------------
> >
> >         *From: *"Edgars M." <edgars.mazurs at gmail.com
> >         <mailto:edgars.mazurs at gmail.com>>
> >         *To: *users at ovirt.org <mailto:users at ovirt.org>
> >         *Sent: *Friday, January 17, 2014 3:42:37 PM
> >         *Subject: *[Users] VM Migration failed
> >
> >
> >         Hi
> >
> >         I am experiencing issues with manual VM migration. VM fails to
> >         migrate to other node in the same Cluster. Here are some
> >         relevant engine.log entries:
> >
> >         ERROR [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo]
> >         (DefaultQuartzScheduler_Worker-73) Rerun vm
> >         a31cfd62-26fc-4396-8a83-1aed68c7fd39. Called from vds novmnode1
> >
> >         ERROR
> >         [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
> >         (pool-6-thread-49) Failed in MigrateStatusVDS method
> >
> >         ERROR
> >         [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
> >         (pool-6-thread-49) Error code migrateErr and error message
> >         VDSGenericException: VDSErrorException: Failed to
> >         MigrateStatusVDS, error = Fatal error during migration
> >
> >         ERROR
> >         [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
> >         (pool-6-thread-49) Command MigrateStatusVDS execution failed.
> >         Exception: VDSErrorException: VDSGenericException:
> >         VDSErrorException: Failed to MigrateStatusVDS, error = Fatal
> >         error during migration
> >
> >         Both Engine and Node are running CentOS 6.5 x64. oVirt Engine
> >         Version: 3.3.2-1.el6. VDSM version 4.13.2-1. I restarted engine
> >         and vdsm, that did not help.
> >
> >         Also in vdsm log file I see the following errors related to the
> >         same VM ID:
> >
> >         Thread-27::ERROR::2014-01-17
> >         16:37:06,271::sampling::355::vm.Vm::(collect)
> >         vmId=`a31cfd62-26fc-4396-8a83-1aed68c7fd39`::Stats function
> >         failed: <AdvancedStatsFunction _highWrite at 0x26efb58>
> >
> >         Any hints?
> >
> >         BR
> >         Edgars
> >
> >         _______________________________________________
> >         Users mailing list
> >         Users at ovirt.org <mailto:Users at ovirt.org>
> >         http://lists.ovirt.org/mailman/listinfo/users
> >
> >
> >
> >
> >
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> 
> 
> 



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