How can I configure power fencing for the IBM Power platform using an HMC in a RHEL High Availability cluster?

Solution Verified - Updated -

Issue

  • We need to configure fencing in our cluster that runs on LPARs on IBM Power architecture with an HMC.
  • What is the fence agent for LPARs in IBM Power processor-based systems, and how can we implement it in our cluster?
  • How can I configure fence_lpar for IBM Power?

Environment

  • Red Hat Enterprise Linux 7 (with the High Availability Add-on)
  • Red Hat Enterprise Linux 8 (with the High Availability Add-on)
  • IBM Power8 processor-based systems
  • IBM Power9 processor-based systems
  • IBM Power10 processor-based systems

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