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[OpenStack Infra <1982853@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.opendev.org/c/openstack/nova/+/851034
Committed: https://opendev.org/openstack/nova/commit/00ed8a232bc22f48011e95a0b47750520a5b4d47
Submitter: "Zuul (22348)"
Branch:    master

commit 00ed8a232bc22f48011e95a0b47750520a5b4d47
Author: Kashyap Chamarthy <kchamart@xxxxxxxxxx>
Date:   Tue Jul 26 16:02:17 2022 +0200

    Add a workaround to skip hypervisor version check on LM
    
    When turned on, this will disable the version-checking of hypervisors
    during live-migration.  This can be useful for operators in certain
    scenarios when upgrading.  E.g. if you want to relocate all instances
    off a compute node due to an emergency hardware issue, and you only have
    another old compute node ready at the time.
    
    Note, though: libvirt will do its own internal compatibility checks, and
    might still reject live migration if the destination is incompatible.
    
    Closes-Bug: #1982853
    
    Change-Id: Iec387dcbc49ddb91ebf5cfd188224eaf6021c0e1
    Signed-off-by: Kashyap Chamarthy <kchamart@xxxxxxxxxx>


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1982853

Title:
  Add a workaround to skip hypervisor version check on live migration

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  What?
  -----

  Add a workaround config option (that will be disabled by default) that
  will disable the version-checking of hypervisors during live-
  migration.

  Why?
  ----

  It  can be useful for operators in certain scenarios when upgrading.
  E.g. if you want to relocate all instances off a compute node due to
  an emergency hardware issue, and you only have another old compute
  node ready at the time.

  Note, though: libvirt will do its own internal compatibility checks,
  and might still reject live migration if the destination is
  incompatible.

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