[ovirt-users] VM switched off when migration for host maintenance fails

Thu Mar 16 19:00:23 UTC 2017

Hi,
Is it reproducible?
It sounds similar to https://bugzilla.redhat.com/show_bug.cgi?id=1426727 but it’s not exactly that
Can you confirm you’re not using QoS/Quota?
Does the VM fail the same way when you migrate it manually?
If not, can you please reproduce with Move to Maintenance flow and narrow it down - timeframe, exact VM, corresponding engine and vdsm and qemu logs?

Thanks,
michal

> On 16 Mar 2017, at 12:17, Eduardo Mayoral <emayoral at arsys.es> wrote:
> 
> OK, then,
> 
> Please find the vdsm logs for both source and destination attached.
> 
> Eduardo Mayoral Jimeno (emayoral at arsys.es
> )
> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
> +34 941 620 145 ext. 5153
> 
> On 16/03/17 12:13, Yaniv Kaul wrote:
>> Please share on the mailing list - I might not get to look at them.
>> It's not too big.
>> Y.
>> 
>> On Thu, Mar 16, 2017 at 1:06 PM, Eduardo Mayoral <emayoral at arsys.es> wrote:
>> Sure! Please find the logs attached. I do not mind sharing them on the mailing list, but I feel they are probably too big.
>>  Eduardo Mayoral Jimeno (emayoral at arsys.es
>> )
>> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>> 
>> +34 941 620 145 ext. 5153
>> On 16/03/17 11:58, Yaniv Kaul wrote:
>>> 
>>> 
>>> On Thu, Mar 16, 2017 at 12:56 PM, Eduardo Mayoral <emayoral at arsys.es> wrote:
>>> Hi,
>>> 
>>>     An interesting thing just happened on my oVirt deployment.
>>> 
>>>     While setting a host for maintenance, one of the VMs running on that
>>> host failed to migrate. Then ovirt-engine for some reason turned the VM
>>> off. Here are the relevant log lines from engine.log:
>>> 
>>> 
>>> 
>>> 
>>> 2017-03-16 09:56:23,324Z INFO
>>> [org.ovirt.engine.core.bll.MigrateVmCommand] (default task-60)
>>> [61a52216] Lock Acquired to object
>>> 'EngineLock:{exclusiveLocks='[422663a9-d712-4992-7c81-165b2976073e=<VM,
>>> ACTION_TYPE_FAILED_VM_IS_BEING_MIGRATED$VmName
>>> entorno127.arsysdesarrollo.lan>]', sharedLocks='null'}'
>>> 2017-03-16 09:56:23,957Z INFO
>>> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector]
>>> (default task-60) [61a52216] EVENT_ID:
>>> VM_MIGRATION_START_SYSTEM_INITIATED(67), Correlation ID: 61a52216, Job
>>> ID: fbc5e0d7-4618-4ca8-b7a7-0fd9a43f490f, Call Stack: null, Custom Event
>>> ID: -1, Message: Migration initiated by system (VM:
>>> entorno127.arsysdesarrollo.lan, Source: llkk594.arsyslan.es,
>>> Destination: llkk593.arsyslan.es, Reason: Host preparing for maintenance).
>>> 2017-03-16 09:56:26,818Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler10) [7c6c403b-0a82-47aa-aeb4-57fbe06e20e1] VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> was unexpectedly detected as 'MigratingTo' on VDS
>>> '43f43ec5-e51d-400d-8569-261c98382e3a'(llkk593.arsyslan.es) (expected on
>>> '11a82467-afa4-4e4e-bd92-3383082d0a5e')
>>> 2017-03-16 09:56:42,149Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler10) [fac8ade9-a867-4ff7-aac5-912f78cc3bb5] VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> was unexpectedly detected as 'MigratingTo' on VDS
>>> '43f43ec5-e51d-400d-8569-261c98382e3a'(llkk593.arsyslan.es) (expected on
>>> '11a82467-afa4-4e4e-bd92-3383082d0a5e')
>>> 2017-03-16 09:56:54,755Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler3) [54fa9a1b-fddb-4812-b5d2-06cf92834709] VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> moved from 'MigratingFrom' --> 'Down'
>>> 2017-03-16 09:56:54,755Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler3) [54fa9a1b-fddb-4812-b5d2-06cf92834709] Handing
>>> over VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> to Host '43f43ec5-e51d-400d-8569-261c98382e3a'. Setting VM to status
>>> 'MigratingTo'
>>> 2017-03-16 09:56:58,160Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler4) [dd4ea7bb-85bc-410e-9a8f-357c28d85d1c] VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> is running in db and not running on VDS
>>> '43f43ec5-e51d-400d-8569-261c98382e3a'(llkk593.arsyslan.es)
>>> 2017-03-16 09:56:58,161Z INFO
>>> [org.ovirt.engine.core.vdsbroker.monitoring.VmAnalyzer]
>>> (DefaultQuartzScheduler4) [dd4ea7bb-85bc-410e-9a8f-357c28d85d1c] add VM
>>> '422663a9-d712-4992-7c81-165b2976073e'(entorno127.arsysdesarrollo.lan)
>>> to rerun treatment
>>>   turn to maintenance while VMs are still running on it.(VM:
>>> entorno127.arsysdesarrollo.lan, Source: llkk594.arsyslan.es,
>>> Destination: llkk593.arsyslan.es).
>>> 2017-03-16 09:56:59,193Z INFO
>>> [org.ovirt.engine.core.bll.MigrateVmCommand]
>>> (org.ovirt.thread.pool-7-thread-27) [14d40a88] Lock freed to object
>>> 'EngineLock:{exclusiveLocks='[422663a9-d712-4992-7c81-165b2976073e=<VM,
>>> ACTION_TYPE_FAILED_VM_IS_BEING_MIGRATED$VmName
>>> entorno127.arsysdesarrollo.lan>]', sharedLocks='null'}'
>>> 
>>> Now, I understand an VM migration may fail for a number of reasons, but
>>> in that case, shouldn't the VM keep running on the source host? I do not
>>> quite understand what happened here or how to avoid it in the future.
>>> 
>>> Can you share vdsm logs from both source and destination?
>>> Y.
>>>  
>>> 
>>> Best regards,
>>> 
>>> --
>>> Eduardo Mayoral Jimeno (emayoral at arsys.es)
>>> Administrador de sistemas. Departamento de Plataformas. Arsys internet.
>>> +34 941 620 145 ext. 5153
>>> 
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>> 
>> 
>> 
> 
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