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
kernel.
In some circumstances the only option is to forcibly reset the node.
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