Migrate existing instances to an Availability Zone

Solution Verified - Updated -

Issue

  • In the process of migrating from default availability zone to 3 availability zones two behaviors happen:
    • Instances booted into one of the new AZ zones live migrate to host in the same AZ if flagged on boot command line
    • Instances booted without specifying availability zone can be live migrated across hosts in different availability zones, even when they are on a host with a specific AZ set.

Environment

  • Red Hat OpenStack Platform 9.0
  • Hosts spawned across availability zones
  • Prior instances booted into default availability zone (not specified)

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