How to add multiple subnets or IP addresses for a single NFS export that is managed by pacemaker cluster's exportfs resource ?

Solution Verified - Updated -

Issue

  • How to extend support for multiple subnets in a single exportfs resource for a pacemaker cluster?
  • How to host a single exportfs resource via different subnet IPs in a pacemaker cluster?
  • NFS share needs to be exported to multiple ip addresses or subnets in pacemaker cluster

Environment

  • Red Hat Enterprise Linux with 7, 8 or 9 (with the High Availability Add-on)
  • pacemaker
  • NFS

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