[openstack-dev] [nova] Do any hyperviors allow disk reduction as part of resize ?
Richard W.M. Jones
rjones at redhat.com
Tue Jun 17 14:43:58 UTC 2014
On Fri, Jun 13, 2014 at 06:12:16AM -0400, Aryeh Friedman wrote:
> Theoretically impossible to reduce disk unless you have some really nasty
> guest additions.
True for live resizing.
For "dead" resizing, libguestfs + virt-resize can do it. Although I
wouldn't necessarily recommend it. In almost all cases where someone
wants to shrink a disk, IMHO it is better to sparsify it instead
(ie. virt-sparsify).
Rich.
--
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