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[Bug 1694636] [NEW] Instance enters error state in case of unavailable live migration destinations

 

Public bug reported:

We check whether shared storage is used before live migrating instances.
If the vm disks storage location is unavailable, we'll propagate an
OSError instead of a MigrationPreCheckError exception. For this reason,
we prevent Nova from trying a different compute node.

Trace: http://paste.openstack.org/show/611003/

** Affects: compute-hyperv
     Importance: Undecided
         Status: New

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: hyper-v

** Also affects: nova
   Importance: Undecided
       Status: New

** Tags added: hyper-v

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https://bugs.launchpad.net/bugs/1694636

Title:
  Instance enters error state in case of unavailable live migration
  destinations

Status in compute-hyperv:
  New
Status in OpenStack Compute (nova):
  New

Bug description:
  We check whether shared storage is used before live migrating
  instances. If the vm disks storage location is unavailable, we'll
  propagate an OSError instead of a MigrationPreCheckError exception.
  For this reason, we prevent Nova from trying a different compute node.

  Trace: http://paste.openstack.org/show/611003/

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