[ClusterLabs] epic fail

[Valentin Vidic]

On Sun, Jul 23, 2017 at 07:27:03AM -0500, Dmitri Maziuk wrote:
> So yesterday I ran yum update that puled in the new pacemaker and tried to
> restart it. The node went into its usual "can't unmount drbd because kernel
> is using it" and got stonith'ed in the middle of yum transaction. The end
> result: DRBD reports split brain, HA daemons don't start on boot, RPM
> database is FUBAR. I've had enough. I'm rebuilding this cluster as centos 6
> + heartbeat R1.

It seems you did not put the node into standby before the upgrade as it
still had resources running.  What was the old/new pacemaker version there?

-- 
Valentin