[Users] VM with stateless snapshot won't start

[Dafna Ron]

Just noticed that Gilad answered that there is a bug :)

Thanks Gilad!

Dafna


On 12/05/2013 12:56 PM, Dafna Ron wrote:
> Martijn,Thank you for updating us on the solution, I really appreciate 
> it.
>
> Doron,do you know if there is a bug on this?
>
>
>
> On 12/05/2013 12:01 PM, Martijn Grendelman wrote:
>> Hello Dafna,
>>
>>> If a failure happened and the stateless vm has shut down without delete
>>> of the snapshot, the next time you will try to run it we will try to
>>> delete the snapshot.
>>> from the engine log, it seems that there is a problem deleting the
>>> snapshot because of quota.
>>> can you please try to disable the quota and try to run the vm again?
>> Quota were not enabled on this Data Center, I have never done anything
>> with quota on oVirt. The 'quota' table was empty, and the 'quota_id'
>> field on all VMs in the 'vm_static' table was NULL.
>>
>> Since it was seemingly trying to set the quota_id for this particular VM
>> to '00000000-0000-0000-0000-000000000000', I manually inserted a record
>> into the quota table using this ID. After that, I was able to start te
>> VM. The quota_id field for the VM now contains a reference to this 
>> fake id.
>>
>>> Please note that the first time you will run it after disabling the
>>> quota, the snapshot should be deleted but the vm will still not start.
>>> only after the snapshot is deleted you will be able to run the vm 
>>> again.
>> Indeed, it took two attempts to start the VM.
>>
>> Question: is it harmful to leave the fake quota record with id
>> '00000000-0000-0000-0000-000000000000' and the reference to it in the
>> vm_static table in place?
>>
>> Cheers,
>> Martijn.
>>
>>
>>
>>
>>>
>>> On 12/05/2013 11:23 AM, Martijn Grendelman wrote:
>>>> Hi,
>>>>
>>>>> After maintenance on a host, I am trying to start a VM that has been
>>>>> running statelessly for a while. It refuses to start and Engine 
>>>>> logs the
>>>>> following:
>>>>>
>>>>> 2013-12-05 11:59:18,125 INFO
>>>>> [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] 
>>>>>
>>>>> (pool-6-thread-48) Correlation ID: 43d49965, Job ID:
>>>>> 0d943a6d-9d65-4ac1-89b7-139d30b4813c, Call Stack: null, Custom 
>>>>> Event ID:
>>>>> -1, Message: Failed to start VM WinXP, because exist snapshot for
>>>>> stateless state. Snapshot will be deleted.
>>>>>
>>>>> Should I submit a bug report for the poor English in this log 
>>>>> line? ;-)
>>>>>
>>>>> The 'Snapshots' tab for the VM doesn't show anything, but repeated
>>>>> attempts to start the VM just show the same message in the log.
>>>>>
>>>>> What can I do to start this VM?
>>>> It seems I missed some info in the log that may well indicate the root
>>>> cause of this issue. Please see attached log excerpt. A database query
>>>> is failing due to a foreign key constraint violation.
>>>>
>>>> Please advise how to fix the database inconsistency.
>>>>
>>>> Regards,
>>>> Martijn.
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>
>
>


-- 
Dafna Ron