A volume-booted instance requires block migration for live migration

Solution Verified - Updated -

Issue

  • Live migration of a volume-booted instance fails unless block migration is enabled
  • In nova-conductor.log the following error is observed

    nova.exception.InvalidSharedStorage: compute-1.localdomain is not on shared storage: Shared storage live-migration requires either shared storage or boot-from-volume with no local disks.
    

Environment

  • Red Hat OpenStack Platform 16.1

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