Emanuel,

emmanuel segura napsal(a):
Hello List,

I have this two lines in my cluster logs, somebody can help to know what
this means.

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

corosync [TOTEM ] Process pause detected for 577 ms, flushing membership
messages.
corosync [TOTEM ] Process pause detected for 538 ms, flushing membership
messages.

Corosync internally checks gap between member join messages. If such gap is > token/2, it means, that corosync was not scheduled to run by kernel for too long, and it should discard membership messages.

Original intend was to detect paused process. If pause is detected, it's better to discard old membership messages and initiate new query then sending outdated view.

So there are various reasons why this is triggered, but today it's usually VM with overloaded host machine.


corosync [TOTEM ] A processor failed, forming new configuration.

::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

I know the "corosync [TOTEM ] A processor failed, forming new
configuration" message is when the toten package is definitely lost.

Thanks


Regards,
  Honza



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