On 25/10/15 23:57, "Daniel P. Berrange" <berrange at redhat.com> 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 :|