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[Marcelo <raxidex@xxxxxxxxx>]

Public bug reported:

Tried on ice-house.

Uploaded an vmdk image to glance passing the parameter
vmware_disktype=thin. I know that it's still not implemented the
automatic conversion from thick to thin, so after the upload I went in
the ESX, accessed glance folder in the datastore, and converted the
image manually to a thin disk (vmkfstools -i...).

Then when I launch an instance the disk is thin, so the image is ok.

But when I to take a snapshot, the image created seems to ignore the
previous properties, creating an image with
vmware_disktype=preallocated, occupying a lot more of space in the data
store.

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: snapshot vmware

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https://bugs.launchpad.net/bugs/1430941

Title:
  vmware: snapshot not passing image properties

Status in OpenStack Compute (Nova):
  New

Bug description:
  Tried on ice-house.

  Uploaded an vmdk image to glance passing the parameter
  vmware_disktype=thin. I know that it's still not implemented the
  automatic conversion from thick to thin, so after the upload I went in
  the ESX, accessed glance folder in the datastore, and converted the
  image manually to a thin disk (vmkfstools -i...).

  Then when I launch an instance the disk is thin, so the image is ok.

  But when I to take a snapshot, the image created seems to ignore the
  previous properties, creating an image with
  vmware_disktype=preallocated, occupying a lot more of space in the
  data store.

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