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[Edward Hope-Morley <edward.hope-morley@xxxxxxxxxxxxx>]

** Also affects: cloud-archive
   Importance: Undecided
       Status: New

** Changed in: nova (Ubuntu)
     Assignee: Liang Chen (cbjchen) => Edward Hope-Morley (hopem)

** Changed in: nova (Ubuntu)
       Status: In Progress => New

** Changed in: nova (Ubuntu)
     Assignee: Edward Hope-Morley (hopem) => (unassigned)

** Changed in: nova (Ubuntu)
       Status: New => Fix Released

** Summary changed:

- nova resize doesn't resize(extend) rbd disk files when using rbd disk backend
+ [SRU] nova resize doesn't resize(extend) rbd disk files when using rbd disk backend

** Tags removed: cts

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https://bugs.launchpad.net/bugs/1369465

Title:
  [SRU] nova resize doesn't resize(extend) rbd disk files when using rbd
  disk backend

Status in Ubuntu Cloud Archive:
  New
Status in OpenStack Compute (nova):
  Fix Released
Status in OpenStack Compute (nova) liberty series:
  Fix Committed
Status in nova package in Ubuntu:
  Fix Released

Bug description:
  [Impact]

   * Not able to resize rbd backed disk image.

  [Test Case]

  1 - boot an instance with rbd backed disk image
  2 - resize it
  3 - log into the VM
  4 - the disk is not enlarged without this patch

  [Regression Potential]

   * None

  
  tested with nova trunk commit eb860c2f219b79e4f4c5984415ee433145197570

  Configured Nova to use rbd disk backend

  nova.conf

  [libvirt]
  images_type=rbd

  instances booted successfully and instance disks are in rbd pools,
  when perform a nova resize  to an existing instance,  memory and CPU
  changed to be new flavors but instance disks size doesn't change

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