[ClusterLabs] Antw: [EXT] Re: [External] : Re: Fence Agent tests

[Ulrich Windl]

>>> Jehan-Guillaume de Rorthais via Users <users at clusterlabs.org> schrieb am
05.11.2022 um 22:17 in Nachricht <20221105221756.20ea6761 at karst>:

...

> In Pacemaker mode, SBD is watching the two most important part of the 
> cluster:
> Pacemaker and Corosync:
> 
> * the "Pacemaker watcher" of SBD connects to the CIB and check it's still
>   updated on a regular basis and the self-node is marked online.
> * the "Cluster watchers" all connect with each others using a dedicated
>   communication group in corosync ring(s).
> 
> Both watchers can report a failure to SBD that would self-stop the node.
> 
> If the network if down, I suppose the cluster watcher should complain. But I
> suspect Pacemaker somehow keeps reporting as quorate, thus, forbidding SBD 
> to
> kill the whole node...

Wow! I think that should have gone into sbd's manual page; I never read such before.
Very helpful.

...

Regards,
Ulrich