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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => grizzly-rc1

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https://bugs.launchpad.net/bugs/1153283

Title:
  Instance task_state being left as migrating after live migration
  failed

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  I'm working on a cross-hypervisor test with KVM + Hyper-v. After a
  negative test which live migrate a KVM instance to Hyper-v host, there
  is InvalidHypervisorType exception. As a result, the instance
  task_state is being left as migrating. That leaves the instance in a
  broken state and most of the requests on the instance will fail.

  After investigation, I found there are some exceptions will cause this
  issue as well, such as UnableToMigrateToSelf,
  DestinationHypervisorTooOld. All of them are throw from the driver of
  scheduler during live migration. But obviously, if the live migration
  fails at the schedule stage, the task_state of the target instance
  should be updated to None.

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