Galera : 'Failure, Attempted to promote Master instance of galera before bootstrap node has been detected.'

Solution Verified - Updated -

Issue

  • Galera not starting up and PCS cluster is in Split Brain state.,

     Master/Slave Set: galera-master [galera]
     galera     (ocf::heartbeat:galera):        FAILED Master my-lab-controller-3 (blocked)
     Slaves: [ my-lab-controller-0 ]

    Failed Actions:
* galera_promote_0 on my-lab-controller-3 'unknown error' (1): call=160, status=complete, exitreason='Failure, Attempted to promote Master instance of galera before bootstrap node has been detected.',

Environment

Red Hat OpenStack Platform 10

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