[Users] VM snapshot creating failed

Itamar Heim iheim at redhat.com
Tue Sep 17 11:08:49 UTC 2013


On 09/17/2013 01:59 PM, Jakub Bittner wrote:
> Dne 16.9.2013 23:44, Itamar Heim napsal(a):
>> On 08/29/2013 01:03 PM, Jakub Bittner wrote:
>>> Dne 29.8.2013 09:02, Laszlo Hornyak napsal(a):
>>>> ok, it is there in the vdsm log:
>>>>
>>>> Thread-58161::ERROR::2013-08-29
>>>> 07:48:18,255::libvirtvm::2089::vm.Vm::(snapshot)
>>>> vmId=`e4226eb3-9758-4d19-a4d3-0a263189013d`::The base volume doesn't
>>>> exist: {'device': 'disk', 'domainID':
>>>> 'f5846dee-cbe1-415e-8452-d9fec8f2bcd0', 'volumeID':
>>>> '8b177d7c-4577-4ec4-adab-d2c87377f34a', 'imageID':
>>>> 'c7a90893-83e9-4781-905f-470a2e6b653f'}
>>>>
>>>> And this is the relevant snippet from vdsm:
>>>>
>>>>                  # The volume we want to snapshot doesn't exist
>>>>                  _rollbackDrives(newDrives)
>>>>                  self.log.error("The base volume doesn't exist: %s",
>>>> baseDrv)
>>>>
>>>> I would suspect that this is another DB inconsistency, the engine is
>>>> sending a disk to snapshot that does not exist on the storage. Can you
>>>> still start this VM?
>>>>
>>>> Thank you,
>>>> Laszlo
>>>>
>>>> ----- Original Message -----
>>>>> From: "Jakub Bittner" <j.bittner at nbu.cz>
>>>>> To: "Laszlo Hornyak" <lhornyak at redhat.com>
>>>>> Cc: users at ovirt.org
>>>>> Sent: Thursday, August 29, 2013 7:50:55 AM
>>>>> Subject: Re: [Users] VM snapshot creating failed
>>>>>
>>>>> Dne 28.8.2013 18:09, Laszlo Hornyak napsal(a):
>>>>>> Hi Jakub,
>>>>>>
>>>>>> Could you also share the VDSM logs from that host?
>>>>>>
>>>>>> Thank you,
>>>>>> Laszlo
>>>>>>
>>>>>> ----- Original Message -----
>>>>>>> From: "Jakub Bittner" <j.bittner at nbu.cz>
>>>>>>> To: users at ovirt.org
>>>>>>> Sent: Wednesday, August 28, 2013 5:45:28 PM
>>>>>>> Subject: [Users] VM snapshot creating failed
>>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> I tryed to create snapshot of VM, but it fails with this in log:
>>>>>>>
>>>>>>> http://paste.fedoraproject.org/35494/
>>>>>>>
>>>>>>>
>>>>>>> I use oVirt 3.3RC
>>>>>>>
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> Users mailing list
>>>>>>> Users at ovirt.org
>>>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>>>
>>>>> Here is the vdsm log from node
>>>>> http://paste.fedoraproject.org/35641/
>>>>>
>>>>> Thank you.
>>>>>
>>>> Ok, it is there in the VDSM log:
>>> I can star, stop and edit this VM as normally. Only snapshots doesnt
>>> work. It does not work for imported and even for newly created VMs.
>>> _______________________________________________
>>> Users mailing list
>>> Users at ovirt.org
>>> http://lists.ovirt.org/mailman/listinfo/users
>>
>> was this resolved?
>
> I upgraded to 3.3.0-4 (latest) oVirt and tried snapshot:
>
> (newly created VM):
>
> Snapshot 'test' creation for VM 'server1.testlab.org' was initiated by
> admin.
> Failed to create live snapshot 'test' for VM 'server1.testlab.org'. VM
> restart is recommended.
> Snapshot 'test' creation for VM 'server1.testlab.org' has been completed.
> I can see newly created snapshot in oVirt GUI.
>
> (imported VM):
> Snapshot 'test2' creation for VM 'server2.testlab.org' was initiated by
> admin.
> Failed to create live snapshot 'test2' for VM 'server2.testlab.org'. VM
> restart is recommended.
> Snapshot 'test2' creation for VM 'server2.testlab.org' has been completed.
> I can see newly created snapshot in oVirt GUI.
>
> The clone function works as expected (created ew VM from snapshot).

thanks jakub,

can you please open a bug to track/analyze this (so it won't get lost)?

thanks,
    Itamar



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