What format should I use to specify node mappings to stonith devices in pcmk_host_list and pcmk_host_map in a RHEL High Availability pacemaker cluster?

Solution Verified - Updated -

Issue

  • Should I specify the hostname or IP address in pcmk_host_list (or pcmk_host_map)?
  • Should I specify my nodes using FQDN or shortname in pcmk_host_list (or pcmk_host_map)?
  • What format should the nodes be listed in in the pcmk_host_list or pcmk_host_map stonith device attribute?
  • Does stonith expect nodes to be listed by nodename or hostname or IP in pcmk_host_list and pcmk_host_map?

Environment

  • Red Hat Enterprise Linux 6 , 7, 8 or 9 (with the High Availability Add-on)
  • pacemaker
  • One or more stonith devices

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