With votequorum's last_man_standing enabled, the last node still loses quorum when the second-to-last node becomes unresponsive in a RHEL 7 High Availability cluster

Solution Unverified - Updated -

Issue

  • I have last_man_standing configured in this cluster, and nodes are removed one-by-one in a cascading fashion, and quorum is decreased after each event. However when it gets down to the last two nodes and one of them leaves, the remaining node loses quorum.
  • last_man_standing doesn't work when the last node leaves
  • Is last_man_standing supposed to work all the way down to a single node?

Environment

  • Red Hat Enterprise Linux (RHEL) 7 with the High Availability Add On
  • corosync with the votequorum plugin

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