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[Yang Ye <ccyangye@xxxxxxxxx>]

Public bug reported:

In revert-resize method, migration.status changed to "reverted" in func revert_resize on dest node, and instance's host will be set in finish_revert_resize on source node.
If an update available resource called during this time in source node, the resource of vm will free in source node too (include mem, cpu and pci).
I think migration.status should be set only after instance's host changed.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1474772

Title:
  updating incorrect resource during migration

Status in OpenStack Compute (nova):
  New

Bug description:
  In revert-resize method, migration.status changed to "reverted" in func revert_resize on dest node, and instance's host will be set in finish_revert_resize on source node.
  If an update available resource called during this time in source node, the resource of vm will free in source node too (include mem, cpu and pci).
  I think migration.status should be set only after instance's host changed.

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