Percona Replication Manager – Renaming Cluster Hostnames
Recently I’ve had to rename a node on a production cluster – however, I did not have an experience on this yet so I decided to try on a sandbox and establish a known procedure. Without further ado, assuming we…
Pacemaker Failed Actions ‘not installed’ And ‘not configured’
Playing around with Percona Replication Manager, and being new to Pacemaker, some errors were somewhat cryptic.
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May 26 09:53:39 [2181] ha01.localdomain pengine: notice: unpack_rsc_op: Preventing p_mysql from re-starting on ha02.localdomain: operation monitor failed 'not installed' (rc=5) May 26 09:53:39 [2181] ha01.localdomain pengine: notice: unpack_rsc_op: Preventing op from re-starting on ha02.localdomain: operation monitor failed 'not installed' (rc=5) |
First, it says here that I have ‘operation monitor failed’ on node ha02.localdomain. This error simply means ‘I cannot run the operation monitor…
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