Just wanted to mention in this context that those of us with GPFS backing stores need RAW to allow copy-on-write image and volume creation.
On Mon, Oct 26, 2015 at 2:23 AM, Tim Bell <[email protected]> wrote: > > > > > > On 25/10/15 23:57, "Daniel P. Berrange" <[email protected]> wrote: > >>On Sat, Oct 24, 2015 at 07:42:53AM +0000, Tim Bell wrote: >>> Always having ephemeral disks as raw might make sense given that there >>> is going to be little overlap with others (and therefore the qcow2 >>> benefits are not significant) >> >>The current big benefit for qcow2 is really the abilityo have a >>backing file, but Nova only uses that for the root disk, so having >>it for ephemeral disks isn't important and so they could easily be >>raw. > > +1… agreed > >> >> >>Regards, >>Daniel >>-- >>|: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| >>|: http://libvirt.org -o- http://virt-manager.org :| >>|: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| >>|: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :| > _______________________________________________ > OpenStack-operators mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators _______________________________________________ OpenStack-operators mailing list [email protected] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
