[ClusterLabs] New user needs some help stabilizing the cluster

Strahil Nikolov hunter86_bg at yahoo.com
Fri Jun 12 00:12:02 EDT 2020


And I forgot to ask ... Are you using memory-based snapshot ?
It shouldn't take so long.

Best Regards,
Strahil Nikolov

На 12 юни 2020 г. 7:10:38 GMT+03:00, Strahil Nikolov <hunter86_bg at yahoo.com> написа:
>Don't forget to increase the consensus!
>
>Best Regards,
>Strahil Nikolov
>
>На 11 юни 2020 г. 22:11:09 GMT+03:00, Howard <hmoneta at gmail.com>
>написа:
>>This is interesting. So it seems that 13,000 ms or 13 seconds is how
>>long
>>the VM was frozen during the snapshot backup and 0.8 seconds is the
>>threshold. We will be disabling the snapshot backups and may increase
>>the
>>token timeout a bit since these systems are not so critical.
>>
>>Thanks Honza for helping me understand.
>>
>>Howard
>>
>>On Thu, Jun 11, 2020 at 12:36 AM Jan Friesse <jfriesse at redhat.com>
>>wrote:
>>
>>> Howard,
>>>
>>>
>>> ...
>>>
>>> The most important info is following line:
>>>
>>>  > Jun 10 00:06:41 [10558] srv2 corosync warning [MAIN  ] Corosync
>>main
>>>  > process was not scheduled for 13006.0615 ms (threshold is
>800.0000
>>ms).
>>>  > Consider token timeout increase.
>>>
>>> There are more of these, so you can either make sure VM is not
>paused
>>> for such a long time or increase token timeout so corosync is able
>to
>>> handle such pause.
>>>
>>> Regards,
>>>    Honza
>>>
>>>


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