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[Sam Morrison <1890065@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

We have a hypervisor that needs to go down for maintenance. There are 2
instances on the host within a server group with affinity.

It seems to be impossible to live migrate them both to a different host.

Looks like there used to be a force argument to live migration but this
was removed in microversion 2.68

"Remove support for forced live migration and evacuate server actions."

Doesn't mention why this was removed sadly.


Is there a way to temporarily break the affinity contract for maintenance?

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1890065

Title:
  Impossible to migrate affinity instances

Status in OpenStack Compute (nova):
  New

Bug description:
  We have a hypervisor that needs to go down for maintenance. There are
  2 instances on the host within a server group with affinity.

  It seems to be impossible to live migrate them both to a different
  host.

  Looks like there used to be a force argument to live migration but
  this was removed in microversion 2.68

  "Remove support for forced live migration and evacuate server
  actions."

  Doesn't mention why this was removed sadly.

  
  Is there a way to temporarily break the affinity contract for maintenance?

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