[ClusterLabs] Antw: [EXT] Correctly stop pacemaker on 2-node cluster with SBD and failed devices?

Ulrich Windl Ulrich.Windl at rz.uni-regensburg.de
Wed Jun 16 02:04:53 EDT 2021

>>> Andrei Borzenkov <arvidjaar at gmail.com> schrieb am 15.06.2021 um 17:20 in
<CAA91j0XaGFRrYvum=Do3qoPFe5YUj9s_4VoEHcAH72QAHyGBew at mail.gmail.com>:
> We had the following situation
> 2‑node cluster with single device (just single external storage
> available). Storage failed. So SBD lost access to the device. Cluster
> was still up, both nodes were running.

Shouldn't sbd fence then (after some delay)?

> We thought that access to storage was restored, but one step was
> missing so devices appeared empty.
> At this point I tried to restart the pacemaker. But as soon as I
> stopped pacemaker SBD rebooted nodes ‑ which is logical, as quorum was
> now lost.
> How to cleanly stop pacemaker in this case and keep nodes up?

Unconfigurte sbd devices I guess.


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