[ovirt-users] Import Domain and snapshot issue ... please help !!!
Maor Lipchuk
mlipchuk at redhat.com
Sun Feb 18 10:39:39 UTC 2018
Ala,
IIUC you mentioned that locked snapshot can still be removed.
Can you please guide how to do that?
Regards,
Maor
On Fri, Feb 16, 2018 at 10:50 AM, Enrico Becchetti <
enrico.becchetti at pg.infn.it> wrote:
> After reboot engine virtual machine task disappear but virtual disk is
> still locked ,
> any ideas to remove that lock ?
> Thanks again.
> Enrico
>
>
> l 16/02/2018 09:45, Enrico Becchetti ha scritto:
>
> Dear All,
> Are there tools to remove this task (in attach) ?
>
> taskcleaner.sh it's seems doens't work:
>
> [root at ovirt-new dbutils]# ./taskcleaner.sh -v -r
> select exists (select * from information_schema.tables where table_schema
> = 'public' and table_name = 'command_entities');
> t
> SELECT DeleteAllCommands();
> 6
> [root at ovirt-new dbutils]# ./taskcleaner.sh -v -R
> select exists (select * from information_schema.tables where table_schema
> = 'public' and table_name = 'command_entities');
> t
> This will remove all async_tasks table content!!!
> Caution, this operation should be used with care. Please contact support
> prior to running this command
> Are you sure you want to proceed? [y/n]
> y
> TRUNCATE TABLE async_tasks cascade;
> TRUNCATE TABLE
>
> after that I see the same running tasks . Does It make sense ?
>
> Thanks
> Best Regards
> Enrico
>
>
> Il 14/02/2018 15:53, Enrico Becchetti ha scritto:
>
> Dear All,
> old snapsahots seem to be the problem. In fact domain DATA_FC running in
> 3.5 had some
> lvm snapshot volume. Before deactivate DATA_FC I didin't remove this
> snapshots so when
> I attach this volume to new ovirt 4.2 and import all vm at the same time I
> also import
> all snapshots but now How I can remove them ? Throught ovirt web interface
> the remove
> tasks running are still hang. Are there any other methods ?
> Thank to following this case.
> Best Regads
> Enrico
>
> Il 14/02/2018 14:34, Maor Lipchuk ha scritto:
>
> Seems like all the engine logs are full with the same error.
> From vdsm.log.16.xz I can see an error which might explain this failure:
>
> 2018-02-12 07:51:16,161+0100 INFO (ioprocess communication (40573))
> [IOProcess] Starting ioprocess (__init__:447)
> 2018-02-12 07:51:16,201+0100 INFO (jsonrpc/3) [vdsm.api] FINISH
> mergeSnapshots return=None from=::ffff:10.0.0.46,57032,
> flow_id=fd4041b3-2301-44b0-aa65-02bd089f6568, task_id=1be430dc-eeb0-4dc9-92df-3f5b7943c6e0
> (api:52)
> 2018-02-12 07:51:16,275+0100 INFO (jsonrpc/3) [jsonrpc.JsonRpcServer] RPC
> call Image.mergeSnapshots succeeded in 0.13 seconds (__init__:573)
> 2018-02-12 07:51:16,276+0100 INFO (tasks/1) [storage.ThreadPool.WorkerThread]
> START task 1be430dc-eeb0-4dc9-92df-3f5b7943c6e0 (cmd=<bound method
> Task.commit of <vdsm.storage.task.Task instance at 0x7fa1a0785248>>,
> args=None) (threadPool:208)
> 2018-02-12 07:51:16,543+0100 INFO (tasks/1) [storage.Image]
> sdUUID=47b7c9aa-ef53-48bc-bb55-4a1a0ba5c8d5 vmUUID=
> imgUUID=ee9ab34c-47a8-4306-95d7-dd4318c69ef5 ancestor=9cdc96de-65b7-4187-8ec3-8190b78c1825
> successor=8f595e80-1013-4c14-a2f5-252bce9526fdpostZero=False
> discard=False (image:1240)
> 2018-02-12 07:51:16,669+0100 ERROR (tasks/1) [storage.TaskManager.Task]
> (Task='1be430dc-eeb0-4dc9-92df-3f5b7943c6e0') Unexpected error (task:875)
> Traceback (most recent call last):
> File "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line 882,
> in _run
> return fn(*args, **kargs)
> File "/usr/lib/python2.7/site-packages/vdsm/storage/task.py", line 336,
> in run
> return self.cmd(*self.argslist, **self.argsdict)
> File "/usr/lib/python2.7/site-packages/vdsm/storage/securable.py", line
> 79, in wrapper
> return method(self, *args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/storage/sp.py", line 1853,
> in mergeSnapshots
> discard)
> File "/usr/lib/python2.7/site-packages/vdsm/storage/image.py", line
> 1251, in merge
> srcVol = vols[successor]
> KeyError: u'8f595e80-1013-4c14-a2f5-252bce9526fd'
>
> Ala, maybe you know if there is any known issue with mergeSnapshots?
> The usecase here are VMs from oVirt 3.5 which got registered to oVirt 4.2.
>
> Regards,
> Maor
>
>
> On Wed, Feb 14, 2018 at 10:11 AM, Enrico Becchetti <
> enrico.becchetti at pg.infn.it> wrote:
>
>> Hi,
>> also you can download them throught these
>> links:
>>
>> https://owncloud.pg.infn.it/index.php/s/QpsTyGxtRTPYRTD
>> https://owncloud.pg.infn.it/index.php/s/ph8pLcABe0nadeb
>>
>> Thanks again !!!!
>>
>> Best Regards
>> Enrico
>>
>> Il 13/02/2018 14:52, Maor Lipchuk ha scritto:
>>
>>
>>
>> On Tue, Feb 13, 2018 at 3:51 PM, Maor Lipchuk <mlipchuk at redhat.com>
>> wrote:
>>
>>>
>>> On Tue, Feb 13, 2018 at 3:42 PM, Enrico Becchetti <
>>> enrico.becchetti at pg.infn.it> wrote:
>>>
>>>> see the attach files please ... thanks for your attention !!!
>>>>
>>>
>>>
>>> Seems like the engine logs does not contain the entire process, can you
>>> please share older logs since the import operation?
>>>
>>
>> And VDSM logs as well from your host
>>
>>
>>>
>>>
>>>> Best Regards
>>>> Enrico
>>>>
>>>>
>>>> Il 13/02/2018 14:09, Maor Lipchuk ha scritto:
>>>>
>>>>
>>>>
>>>> On Tue, Feb 13, 2018 at 1:48 PM, Enrico Becchetti <
>>>> enrico.becchetti at pg.infn.it> wrote:
>>>>
>>>>> Dear All,
>>>>> I have been using ovirt for a long time with three hypervisors and an
>>>>> external engine running in a centos vm .
>>>>>
>>>>> This three hypervisors have HBAs and access to fiber channel storage.
>>>>> Until recently I used version 3.5, then I reinstalled everything from
>>>>> scratch and now I have 4.2.
>>>>>
>>>>> Before formatting everything, I detach the storage data domani (FC)
>>>>> with the virtual machines and reimported it to the new 4.2 and all went
>>>>> well. In
>>>>> this domain there were virtual machines with and without snapshots.
>>>>>
>>>>> Now I have two problems. The first is that if I try to delete a
>>>>> snapshot the process is not end successful and remains hanging and the
>>>>> second problem is that
>>>>> in one case I lost the virtual machine !!!
>>>>>
>>>>
>>>>
>>>> Not sure that I fully understand the scneario.'
>>>> How was the virtual machine got lost if you only tried to delete a
>>>> snapshot?
>>>>
>>>>
>>>>>
>>>>> So I need your help to kill the three running zombie tasks because
>>>>> with taskcleaner.sh I can't do anything and then I need to know how I can
>>>>> delete the old snapshots
>>>>> made with the 3.5 without losing other data or without having new
>>>>> processes that terminate correctly.
>>>>>
>>>>> If you want some log files please let me know.
>>>>>
>>>>
>>>>
>>>> Hi Enrico,
>>>>
>>>> Can you please attach the engine and VDSM logs
>>>>
>>>>
>>>>>
>>>>> Thank you so much.
>>>>> Best Regards
>>>>> Enrico
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Users mailing list
>>>>> Users at ovirt.org
>>>>> http://lists.ovirt.org/mailman/listinfo/users
>>>>>
>>>>>
>>>>
>>>> --
>>>> _______________________________________________________________________
>>>>
>>>> Enrico Becchetti Servizio di Calcolo e Reti
>>>>
>>>> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
>>>> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
>>>> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
>>>> ______________________________________________________________________
>>>>
>>>>
>>>
>>
>> --
>> _______________________________________________________________________
>>
>> Enrico Becchetti Servizio di Calcolo e Reti
>>
>> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
>> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
>> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
>> ______________________________________________________________________
>>
>>
>> --
>> _______________________________________________________________________
>>
>> Enrico Becchetti Servizio di Calcolo e Reti
>>
>> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
>> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
>> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
>> ______________________________________________________________________
>>
>>
>
> --
> _______________________________________________________________________
>
> Enrico Becchetti Servizio di Calcolo e Reti
>
> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
> ______________________________________________________________________
>
>
>
> _______________________________________________
> Users mailing listUsers at ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
>
>
> --
> _______________________________________________________________________
>
> Enrico Becchetti Servizio di Calcolo e Reti
>
> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
> ______________________________________________________________________
>
>
>
> _______________________________________________
> Users mailing listUsers at ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users
>
>
> --
> _______________________________________________________________________
>
> Enrico Becchetti Servizio di Calcolo e Reti
>
> Istituto Nazionale di Fisica Nucleare - Sezione di Perugia
> Via Pascoli,c/o Dipartimento di Fisica 06123 Perugia (ITALY)
> Phone:+39 075 5852777 <+39%20075%20585%202777> Mail: Enrico.Becchetti<at>pg.infn.it
> ______________________________________________________________________
>
>
> _______________________________________________
> Users mailing list
> Users at ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
>
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