> -----Original Message----- > From: Richard W.M. Jones [mailto:rjo...@redhat.com] > Sent: 18 June 2014 12:32 > To: OpenStack Development Mailing List (not for usage questions) > Subject: Re: [openstack-dev] [nova] Do any hyperviors allow disk reduction > as part of resize ? > > On Wed, Jun 18, 2014 at 11:05:01AM +0000, Day, Phil wrote: > > > -----Original Message----- > > > From: Russell Bryant [mailto:rbry...@redhat.com] > > > Sent: 17 June 2014 15:57 > > > To: OpenStack Development Mailing List (not for usage questions) > > > Subject: Re: [openstack-dev] [nova] Do any hyperviors allow disk > > > reduction as part of resize ? > > > > > > On 06/17/2014 10:43 AM, Richard W.M. Jones wrote: > > > > 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). > > > > > > FWIW, the resize operation in OpenStack is a dead one. > > > > > Dead as in "not supported in V3" ? > > "dead" as in not live resizing, ie. it happens only on offline disk images. > > Rich. > Ah, thanks. I was thinking of "dead" as in "it is an ex-operation, it has ceased to be, ..." ;-)
There seems to be a consensus towards this being treated as an error - so I'll raise a spec. _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev