Hi,
> Don't disable fencing!
> You need to configure and test stonith in pacemaker. Once that's
> working, then you set DRBD's fencing to 'resource-and-stonith;' and
> configure the 'crm-{un,}fence-handler.sh' un/fence handlers.
> With this, if a node fails (and no, redundant network links is not
> enough, nodes can die in many ways), then drbd will block when the peer
> is lost, call the fence handler and wait for pacemaker to report back
> that the fence action was completed. This way, you will never get a
> split-brain and you will get reliable recovery.
While we will configure fencing finally (and I know that nodes can fail in many
ways), it should not be influence the test I am doing because the nodes are not
on any unknown state. I have three independant network connections, one for
DRBD, one for corosync heartbeats and one for data. In the test, I stop the
cluster node manually with 'pcs cluster stop'. I don't think this should
trigger STONITH or fencing, but the DRBD fails to get promoted permanently.
Cheers,
Jens
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