[Bug 1032405] Re: RBDDriver does not support volume creation from snapshots

[Steve Langasek]

The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release

** Changed in: nova (Ubuntu Precise)
       Status: Fix Committed => Won't Fix

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https://bugs.launchpad.net/bugs/1032405

Title:
  RBDDriver does not support volume creation from snapshots

Status in OpenStack Compute (nova):
  Fix Released
Status in nova package in Ubuntu:
  Fix Released
Status in nova source package in Precise:
  Won't Fix

Bug description:
  I've been doing a little work with Nova and Ceph. As part of this work
  I've been testing snapshots. I've discovered that RBDDriver does not
  implement create_volume_from_snapshot(). Attempts to create volumes
  from snapshots instead fall through to VolumeDriver's LVM-based
  implementation and then fail.

  Attached is a patch against essex that implements this functionality.
  I have tested it lightly with a Ceph cluster running 0.48, the stable
  "argonaut" release. (Lightly = successfully created a volume from a
  snapshot, and then removed it.)

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