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[Bug 1270238] Re: libvirt driver doesn't support disk re-size down

 

This wishlist bug has been open a year without any activity. I'm going
to move it to "Opinion / Wishlist", which is an easily-obtainable queue
of older requests that have come on.

In case you want to work on that, consider writing a blueprints [1] and
spec [2]. I'll recommend to read [3] if not yet done. The effort to
implement the requested feature is then driven only by the blueprint
(and spec).

References:
[1] https://blueprints.launchpad.net/nova/
[2] https://github.com/openstack/nova-specs
[3] https://wiki.openstack.org/wiki/Blueprints

** Changed in: nova
       Status: Confirmed => Opinion

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https://bugs.launchpad.net/bugs/1270238

Title:
  libvirt driver doesn't support disk re-size down

Status in OpenStack Compute (nova):
  Opinion

Bug description:
  Currently libvirt driver doesn't support resizing disk down.

  During a resizing down all run well and the instance is updated to the new flavor with the new disk size.
  but in real the disk is not resized and keep the original size.

  We need to add the support of resizing down:
  1. resizing the fs
  2. resizing the image

  For the step one we have to be sure we work with only one partition
  and we don't erase data.

  what to do for the support of ntfs?

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References