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[Matt Riedemann <mriedem@xxxxxxxxxx>]

*** This bug is a duplicate of bug 1328546 ***
    https://bugs.launchpad.net/bugs/1328546

** This bug is no longer a duplicate of bug 1293540
   nova should make sure the bridge exists before resuming a VM after an offline snapshot
** This bug has been marked a duplicate of bug 1328546
   Race condition when hard rebooting instance

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https://bugs.launchpad.net/bugs/1419734

Title:
  Nova snapshot fails when the instance is running(ceph backend)

Status in OpenStack Compute (nova):
  Incomplete

Bug description:
  I have setup openstack with ceph storage backend(nova, glance and
  cinder all use it). Linux Bridge-ml2 is my networking plugin. When I
  try to do a snapshot when the instance is running, snapshot fails. It
  seems that nova is trying to freeze the  VM and try to take a cold
  snapshot, but when it resumes, it fails and the snapshot that gets is
  deleted immediately. Please check the nova.log attached. Taken during
  the snapshot process.:

  I have checked glance logs , but no errors. If you need other logs, I
  will attach. I have already checked,
  https://bugs.launchpad.net/nova/+bug/1334398 and
  https://bugs.launchpad.net/mos/+bug/1381072, they are all related to
  live snapshots , but in this case even the cold snapshot is not
  working. When I stop the VM and take the snap , it works.

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