[ClusterLabs] 2 node cluster dlm/clvm trouble

Vladislav Bogdanov bubble at hoster-ok.com
Tue Sep 11 09:14:08 EDT 2018

On 11.09.2018 16:10, Valentin Vidic wrote:
> On Tue, Sep 11, 2018 at 09:02:06AM -0400, Patrick Whitney wrote:
>> What I'm having trouble understanding is why dlm flattens the remaining
>> "running" node when the already fenced node is shutdown...  I'm having
>> trouble understanding how power fencing would cause dlm to behave any
>> differently than just shutting down the fenced node.
> fences_scsi just kills the storage on the node, but dlm continues to run
> causing problems for the rest of the cluster nodes.  So it seems some
> other fence agent should be used that would kill dlm too.

And that is not an easy task sometimes, because main part of dlm runs in 
In some circumstances the only option is to forcibly reset the node.

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