How to use virsh cpu comparisson to determine the cpu compatibility

Solution Verified - Updated -

Issue

  • How to use virsh cpu-compare/hypervisor-cpu-compare and cpu-baseline/hypervisor-cpu-baseline to determine the cpu compatibility?
  • Setting cpu_mode=host-model in nova config file on both compute nodes still instance live-migration is getting failed due to Unacceptable CPU info error.

Environment

  • Red Hat OpenStack Platform 10.0 (RHOSP)
  • Red Hat OpenStack Platform 16.2
  • Red Hat OpenStack Platform 17.1

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