Yes, I did it, not working in my case.
This is explanation from Benny:
So based on your logs the lock you are seeing is a memory lock,
unlock_entity.sh can't really help with these.
Also, the job table is used mainly for presentation so removing an
entry from will not help.
On 8 Aug 2022, at 15:30, Jirka Simon <jirka(a)vesim.cz> wrote:
Hi Andrei
have you cecked locked entries here ?
/usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t all -qc
it helped to me to unlock snapshots and disks and then restart VM. but yes, there is a
chance to damage VM,
Jirka
On 8/8/22 08:33, Andrei Verovski wrote:
> HI,
>
> OK, how to properly remove this lock? Right now VM is locked and is unmanageable at
all in any way.
> I suppose its with some SQL commands in Postgres.
>
> Thanks.
>
>
>> On 5 Aug 2022, at 11:34, Benny Zlotnik <bzlotnik(a)redhat.com>
<mailto:bzlotnik@redhat.com> wrote:
>>
>> So based on your logs the lock you are seeing is a memory lock,
>> unlock_entity.sh can't really help with these.
>> Also, the job table is used mainly for presentation so removing an
>> entry from will not help.
>>
>> Do you have the logs from when this snapshot operation started, you
>> can use the correlation id (28353fa0-5e36-4fe8-8609-e74cd1da6d36) to
>> search? Also, do you have the vdsm logs (SPM at the time and the host
>> running the VM), same correlation id can be used for this as well
>>
>> The table that's used to coordinate this is command_entities, so in
>> theory removing the entries with this correlation id can help, but I'd
>> like to see what led to this first
>>
>> On Fri, Aug 5, 2022 at 8:37 AM Andrei Verovski <andreil1(a)starlett.lv>
<mailto:andreil1@starlett.lv> wrote:
>>> Hi, Benny,
>>>
>>> I have sent log on your mailbox, its too big to post here on mailing list.
>>>
>>> Looks like ghost task is still running, anything else need to be removed from
Postgres DB?
>>>
>>> BTW, frozen dead snapshot is in invalid state, is there any way to get rid of
it? I think it's actually exists, but due to invalid state its not possible to do
anything with it.
>>>
>>>
>>> ——
>>>
>>> Log file still shows zombie task:
>>>
>>> 2022-08-04 20:57:30,145+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-24)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>>> 2022-08-04 20:57:40,176+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-85)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>>> 2022-08-04 20:57:50,252+03 INFO
[org.ovirt.engine.core.bll.SerialChildCommandsExecutionCallback]
(EE-ManagedScheduledExecutorService-engineScheduledThreadPool-Thread-66)
[28353fa0-5e36-4fe8-8609-e74cd1da6d36] Command 'CreateSnapshotForVm' (id:
'2f8b32d8-fd3c-46c9-90e9-4863d63c0530') waiting on child command id:
'ed816f9d-e25c-4b58-8c8f-fd0393abda2f' type:'CreateLiveSnapshotForVm' to
complete
>>>
>>>
>>>> On 4 Aug 2022, at 19:06, Benny Zlotnik <bzlotnik(a)redhat.com>
<mailto:bzlotnik@redhat.com> wrote:
>>>>
>>>> can you share the logs after restarting ovirt-engine?
>>>>
>>>> On Thu, Aug 4, 2022 at 4:58 PM Andrei Verovski
<andreil1(a)starlett.lv> <mailto:andreil1@starlett.lv> wrote:
>>>>> Hi,
>>>>>
>>>>>
>>>>> Creating snapshot of one of the VM vailed, and zombie tasks was
killed with:
>>>>>
>>>>> su postgres
>>>>> psql -d engine -U postgres
>>>>> select * from job order by start_time desc;
>>>>>
>>>>> select DeleteJob('UUID_FROZEN_TASK_ID’);
>>>>>
>>>>>
>>>>> However, VM remains in locked state (with lock sign left-below red
“DOWN” arrow in status column of web interface.
>>>>>
>>>>> I run:
>>>>> /usr/share/ovirt-engine/setup/dbutils/unlock_entity.sh -t all
>>>>>
>>>>> then rebooted engine VM, still no luck. Can’t do anything with that
VM.
>>>>>
>>>>> Please advise how to fix.
>>>>> Thanks in advance.
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