An ocf:pacemaker:controld resource fails to start with "symbol lookup error: dlm_controld: undefined symbol: quorum_model_initialize" in a Pacemaker cluster

Solution Verified - Updated -


  • dlm fails to start on a RHEL 8 pacemaker cluster.
Aug  9 22:30:59 node1 pacemaker-execd[91995]: notice: dlm_start_0[92121] error output [ dlm_controld: symbol lookup error: dlm_controld: undefined symbol: quorum_model_initialize ]
Aug  9 22:30:59 node1 pacemaker-controld[91998]: notice: Result of start operation for dlm on node1: not running


  • Red Hat Enterprise Linux 8 (with the Resilient Storage Add-on)

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