[Users] Problem with live migration.

Wed Apr 18 08:30:23 UTC 2012

On Tue, Apr 17, 2012 at 4:38 PM, Rami Vaknin <rvaknin at redhat.com> wrote:

>  On 04/17/2012 05:36 PM, Martin Hovmöller wrote:
>
>
>
> On Tue, Apr 17, 2012 at 2:55 PM, Rami Vaknin <rvaknin at redhat.com> wrote:
>
>>   On 04/17/2012 03:45 PM, Martin Hovmöller wrote:
>>
>>
>>
>> On Tue, Apr 17, 2012 at 2:11 PM, Itamar Heim <iheim at redhat.com> wrote:
>>
>>> On 04/17/2012 12:47 PM, Martin Hovmöller wrote:
>>>
>>>>  I can't live migrate the vm's in my cluster:
>>>>
>>>> 012-04-17 04:06:39,728 INFO
>>>>  [org.ovirt.engine.core.bll.MigrateVmCommand] (pool-5-thread-48)
>>>> Running command: MigrateVmCommand internal: false. Entities affected :
>>>>  ID: ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a Type: VM
>>>> 2012-04-17 04:06:39,743 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.MigrateVDSCommand] (pool-5-thread-48)
>>>> START, MigrateVDSCommand(vdsId = f33ffc14-87ba-11e1-b610-e3aeca1e8008,
>>>> vmId=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a, srcHost=10.23.30.130,
>>>> dstVdsId=b4d329b4-87b6-11e1-ac0a-b70ec8cc50f0,
>>>>  dstHost=10.23.30.110:54321 <http://10.23.30.110:54321>,
>>>>
>>>> migrationMethod=ONLINE), log id: 7c7201be
>>>> 2012-04-17 04:06:39,748 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateBrokerVDSCommand]
>>>> (pool-5-thread-48) VdsBroker::migrate::Entered
>>>> (vm_guid=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a, srcHost=10.23.30.130,
>>>>  dstHost=10.23.30.110:54321 <http://10.23.30.110:54321>,
>>>>  method=online
>>>>
>>>> 2012-04-17 04:06:39,749 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateBrokerVDSCommand]
>>>> (pool-5-thread-48) START, MigrateBrokerVDSCommand(vdsId =
>>>> f33ffc14-87ba-11e1-b610-e3aeca1e8008,
>>>> vmId=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a, srcHost=10.23.30.130,
>>>> dstVdsId=b4d329b4-87b6-11e1-ac0a-b70ec8cc50f0,
>>>>  dstHost=10.23.30.110:54321 <http://10.23.30.110:54321>,
>>>>
>>>> migrationMethod=ONLINE), log id: 3c40c2de
>>>> 2012-04-17 04:06:39,834 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateBrokerVDSCommand]
>>>> (pool-5-thread-48) FINISH, MigrateBrokerVDSCommand, log id: 3c40c2de
>>>> 2012-04-17 04:06:39,840 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.MigrateVDSCommand] (pool-5-thread-48)
>>>> FINISH, MigrateVDSCommand, return: MigratingFrom, log id: 7c7201be
>>>> 2012-04-17 04:06:42,166 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo]
>>>> (QuartzScheduler_Worker-18) vds::refreshVmList vm id
>>>> ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a is migrating to vds rhevh1.<domain>
>>>> ignoring it in the refresh till migration is done
>>>> [...]
>>>> 2012-04-17 04:07:33,852 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo]
>>>> (QuartzScheduler_Worker-34) vds::refreshVmList vm id
>>>> ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a status = Paused on vds
>>>> rhevh1.<domain> ignoring it in the refresh till migration is done
>>>> 2012-04-17 04:07:37,407 ERROR
>>>> [org.ovirt.engine.core.vdsbroker.VdsUpdateRunTimeInfo]
>>>> (QuartzScheduler_Worker-71) Rerun vm
>>>> ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a. Called from vds rhevh2.<domain>
>>>> 2012-04-17 04:07:37,414 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
>>>> (pool-5-thread-47) START, MigrateStatusVDSCommand(vdsId =
>>>> f33ffc14-87ba-11e1-b610-e3aeca1e8008,
>>>> vmId=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a), log id: 8dfce1b
>>>> 2012-04-17 04:07:37,496 ERROR
>>>> [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase]
>>>> (pool-5-thread-47) Failed in MigrateStatusVDS method
>>>> 2012-04-17 04:07:37,497 ERROR
>>>> [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase]
>>>> (pool-5-thread-47) Error code createErr and error message
>>>> VDSGenericException: VDSErrorException: Failed to MigrateStatusVDS,
>>>> error = Error creating the requested virtual machine
>>>> 2012-04-17 04:07:37,497 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase]
>>>> (pool-5-thread-47) Command
>>>> org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand return
>>>> value
>>>>  Class Name:
>>>> org.ovirt.engine.core.vdsbroker.vdsbroker.StatusOnlyReturnForXmlRpc
>>>> mStatus                       Class Name:
>>>> org.ovirt.engine.core.vdsbroker.vdsbroker.StatusForXmlRpc
>>>> mCode                         9
>>>> mMessage                      Error creating the requested virtual
>>>> machine
>>>>
>>>>
>>>> 2012-04-17 04:07:37,497 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.BrokerCommandBase]
>>>> (pool-5-thread-47) Vds: rhevh2.<domain>
>>>> 2012-04-17 04:07:37,497 ERROR
>>>> [org.ovirt.engine.core.vdsbroker.VDSCommandBase] (pool-5-thread-47)
>>>> Command MigrateStatusVDS execution failed. Exception: VDSErrorException:
>>>> VDSGenericException: VDSErrorException: Failed to MigrateStatusVDS,
>>>> error = Error creating the requested virtual machine
>>>> 2012-04-17 04:07:37,497 INFO
>>>>  [org.ovirt.engine.core.vdsbroker.vdsbroker.MigrateStatusVDSCommand]
>>>> (pool-5-thread-47) FINISH, MigrateStatusVDSCommand, log id: 8dfce1b
>>>> 2012-04-17 04:07:37,528 WARN
>>>>  [org.ovirt.engine.core.bll.MigrateVmCommand] (pool-5-thread-47)
>>>> CanDoAction of action MigrateVm failed.
>>>>
>>>> Reasons:ACTION_TYPE_FAILED_VDS_VM_CLUSTER,VAR__ACTION__MIGRATE,VAR__TYPE__VM
>>>>
>>>>
>>>> There is no problem regarding storage or anything like that. If I shut
>>>> down the vm I can start it on the other host without any problems
>>>> whatsoever.
>>>> Do I need to do something to make live migration work? Trying to dig in
>>>> the logs on the hypervisors, but there's so much stuff being logged
>>>> there...
>>>>
>>>>
>>>>  _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>
>>>
>>> vdsm log from the host that failed to create the VM?
>>>
>>
>> The vdsm log is frighteningly long, so I put it in pastebin:
>> http://pastebin.com/BEeqFCCb
>> I don't really see anything worthwhile myself, but on the other hand I'm
>> not sure what I'm looking for, so it's mostly a massive wall of text to me,
>> but it should be somewhere in that time frame.
>>
>>  Here is the failure, "code 9" is not too informative, can you attach
>> the libvirtd.log file too?
>>
>> Thread-49287::DEBUG::2012-04-17
>> 14:25:39,834::clientIF::81::vds::(wrapper) return migrationCreate with
>> {'status': {'message': 'Error creating the requested virtual machine',
>> 'code': 9}}
>>
>>
>>
>> _______________________________________________
>> Users mailing listUsers at ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
>>
>>
>>
>>  --
>>
>> Thanks,
>>
>> Rami Vaknin, QE @ Red Hat, TLV, IL.
>>
>>
>  I think this is the relevant info from the libvirt.log:
>  2012-04-17 14:30:53.768+0000: 8506: debug :
> virDomainLookupByUUIDString:1984 : conn=0x7fa9a00bcde0,
> uuidstr=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a
> 2012-04-17 14:30:53.768+0000: 8506: debug : virDomainLookupByUUID:1941 :
> conn=0x7fa9a00bcde0, uuid=ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a
> 2012-04-17 14:30:53.771+0000: 8506: error :
> virNetClientProgramDispatchError:170 : Domain not found: no domain with
> matching uuid 'ce9bb531-4d2a-4f5e-9935-3c8a4f5db94a'
>
>  What domain is this, is it the storage domain?
>
>
> Domain in libvirt is simply a vm.
>
>
>
> _______________________________________________
> Users mailing listUsers at ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
>
>
>
> --
>
> Thanks,
>
> Rami Vaknin, QE @ Red Hat, TLV, IL.
>
>
Alright, so what does this mean then? The machine I'm migrating to can't
see the vm?
That doesn't make sense since I can manually start it on that host..
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