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[Andrew Melton <andrew.melton@xxxxxxxxxxxxx>]

Public bug reported:

When using the libvirt drivers support for LVM backed images, the the
LVM device is mounted to either a loopback or nbd device before finally
being mounted to the rootfs directory for the instance. This is
unnecessary because the image is already exposed as a block drive by
LVM/device mapper. Thus, the LVM device can be mounted directly to the
rootfs of the instance.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1287754

Title:
  LVM backed images unnecessarily mounted to block devices

Status in OpenStack Compute (Nova):
  New

Bug description:
  When using the libvirt drivers support for LVM backed images, the the
  LVM device is mounted to either a loopback or nbd device before
  finally being mounted to the rootfs directory for the instance. This
  is unnecessary because the image is already exposed as a block drive
  by LVM/device mapper. Thus, the LVM device can be mounted directly to
  the rootfs of the instance.

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