[Pacemaker] Stopping only / last stonith resource ... cluster will continue to function ?

[Dejan Muhamedagic]

Hi,

On Mon, Feb 04, 2013 at 05:50:59PM +1300, David Morton wrote:
> Afternoon,
> 
> We're replacing a production cluster (2 node) with a new
> completely separate 2 node cluster later this week. I've removed one node
> already to make way (physically) for the new machines, so everything is
> working just fine as it is with a one node cluster only. The issue is that
> the monitor operation for stonith resource keeps failing for the removed
> node (IPMI stonith based on IBM IMM) as its no longer present, its not a
> prerequisite resource so no resources have been affected.
> 
> Is it safe to stop the resource given its the only / remaining stonith
> resource in the cluster ? There is obviously nothing to stonith anymore
> anyway but i don't like the idea of a monitor failing for another 4 days.
> If its safest to just let the monitor fail essentially for ever then thats
> fine too, rather not touch anything until the cluster is decommissioned.
> 
> Relevant config options:
> no-quorum-policy="ignore"
> stonith-enabled="true"

If you have only one node left, then you definitely won't need
stonith. You can just do property stonith-enabled=false and stop
the stonith resource (resource stop mystonithrsc).

Thanks,

Dejan

> Hope what I am asking is clear ...
> 
> Dave

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