Friday, March 15, 2019

pacemaker unfencing errors

While testing pacemaker clustering with iscsi (on redhat 8 beta) I came upon this error:

Pending Fencing Actions:
* unfencing of rh-8beta-b pending: client=pacemaker-controld.2603, origin=rh-8beta-b

It took me almost the whole morning to understand how to clear the error.  Since the stonith resource includes the clause "meta provides=unfencing", this means that the fencing agent should account for unfencing, meaning we should simply reboot the node (rh-8beta-b in this case).

RedHat documentation explains this as well: " ...The act of booting in this case implies that unfencing occurred..."

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