Why did a RHEL High Availability cluster node reboot - and how can I prevent it from happening again?

Solution Verified - Updated -

Issue

  • Why did a RHEL cluster node reboot?
  • Why did my node get fenced?
  • What is causing a node to stop responding in the cluster and get powered off by the cluster?
  • How should I troubleshoot node-fencing scenarios?

Environment

  • Red Hat Enterprise Linux (RHEL) 7 or 8 with the High Availability Add-On

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