Category Archive For "Pacemaker"
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 have 3 nodes and we want to rename ha3’s hostname to ha03. [root@ha01 ~]# crm …
Pacemaker Failed Actions ‘not installed’ And ‘not configured’
Playing around with Percona Replication Manager, and being new to Pacemaker, some errors were somewhat cryptic. 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' …