On Tue, Jun 17, 2014 at 10:56:36AM -0400, Russell Bryant wrote: > 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.
<advert> In >= 1.26, `virt-sparsify --in-place' is very fast, doesn't copy, and doesn't need mountains of temporary space (unlike the copying mode virt-sparsify). http://libguestfs.org/virt-sparsify.1.html#in-place-sparsification </advert> Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com libguestfs lets you edit virtual machines. Supports shell scripting, bindings from many languages. http://libguestfs.org _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
