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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => kilo-3

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https://bugs.launchpad.net/bugs/1271966

Title:
  Not possible to spawn vmware instance with multiple disks

Status in OpenStack Compute (Nova):
  Fix Released

Bug description:
  The behaviour of spawn() in the vmwareapi driver wrt images and block
  device mappings is currently as follows:

  If there are any block device mappings, images are ignored
  If there are any block device mappings, the last becomes the root device and all others are ignored

  This means that, for example, the following scenarios are not
  possible:

  1. Spawn an instance with a root device from an image, and a secondary volume
  2. Spawn an instance with a volume as a root device, and a secondary volume

  The behaviour of the libvirt driver is as follows:

  If there is an image, it will be the root device unless there is also a block device mapping for the root device
  All block device mappings are used
  If there are multiple block device mappings for the same device, the last one is used

  The vmwareapi driver's behaviour is surprising, and should be modified
  to follow the libvirt driver.

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