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[James Page <james.page@xxxxxxxxxx>]

** Also affects: nova (Ubuntu Wily)
   Importance: Undecided
       Status: Confirmed

** Also affects: nova (Ubuntu Vivid)
   Importance: Undecided
       Status: New

** Also affects: nova (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Also affects: nova (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Changed in: nova (Ubuntu Vivid)
       Status: New => Triaged

** Changed in: nova (Ubuntu Wily)
       Status: Confirmed => Triaged

** Changed in: nova (Ubuntu Utopic)
       Status: New => Triaged

** Changed in: nova (Ubuntu Trusty)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1398999

Title:
  Block migrate with attached volumes copies volumes to themselves

Status in OpenStack Compute (nova):
  Confirmed
Status in nova package in Ubuntu:
  Triaged
Status in nova source package in Trusty:
  Triaged
Status in nova source package in Utopic:
  Triaged
Status in nova source package in Vivid:
  Triaged
Status in nova source package in Wily:
  Triaged

Bug description:
  When an instance with attached Cinder volumes is block migrated, the
  Cinder volumes are block migrated along with it. If they exist on
  shared storage, then they end up being copied, over the network, from
  themselves to themselves. At a minimum, this is horribly slow and de-
  sparses a sparse volume; at worst, this could cause massive data
  corruption.

  More details at http://lists.openstack.org/pipermail/openstack-
  dev/2014-June/038152.html

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