Can two-node RHEL 7 or RHEL 8 High Availability clusters be susceptible to fence loops?

Solution Verified - Updated -

Issue

  • I have a two-node cluster using pacemaker. Do I need to worry about fence loops like I did with older cman clusters?
  • Does corosync with votequorum have a problem with fence loops where the network goes down, a node gets fenced, and then it fences the other node when it boots back up?
  • How can I avoid fence loops with pacemaker in RHEL 7 or RHEL 8?

Environment

  • Red Hat Enterprise Linux 7 (with the High Availability Add-on)
  • Red Hat Enterprise Linux 8 (with the High Availability Add-on)
  • corosync with votequorum
  • Two-node cluster

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