On Wed, Jun 18, 2014 at 11:05:01AM +0000, Day, Phil wrote: > > -----Original Message----- > > From: Russell Bryant [mailto:[email protected]] > > 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. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com virt-builder quickly builds VMs from scratch http://libguestfs.org/virt-builder.1.html _______________________________________________ OpenStack-dev mailing list [email protected] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
