Nova live migration fail for different CPU Model

Solution Verified - Updated -

Issue

  • Nova live migration fail with below error for different CPU Model, however the cold migration gets completed successful.
[stack@undercloud ~]$ openstack server migrate --live <hostname> <instance uuid/name>
Unacceptable CPU info: CPU doesn't have compatibility.

Environment

  • Red Hat OpenStack Platform 10
  • Red Hat OpenStack Platform 13
  • Red Hat OpenStack Platform 16.1

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