Hi Josh, Thanks! That is way too easy. Best Regards, Jon A On Mon, Oct 21, 2013 at 10:34 AM, Josh Durgin <josh.durgin@xxxxxxxxxxx> wrote: > On 10/17/2013 05:28 AM, Jon wrote: >> >> Hello, >> >> I would like to use RBD Format 2 images so I can take advantage of >> layering. >> >> However, when I use "qemu-img create -f rbd rbd:data/foo 10G", I get >> format 1 RBD images. (Actually, when I use the "-f rbd" flag, qemu-img >> core dumps, but it looks like that feature may have been deprecated [1]) >> >> Is there any way to have qemu-img create RBD Format 2 images or am I >> better off using `rbd` to create the image then booting from the disk >> and performing the install, etc.? > > > If you're using recent cuttlefish or dumpling releases of ceph, you can > add settings to ceph.conf to make qemu-img and anything else using > librbd create format 2 images. In the [client] or [global] section of > /etc/ceph/ceph.conf, add: > > rbd default format = 2 > > Josh > >> Thanks for the assist. >> >> Best Regards, >> Jon A >> >> >> [1] >> http://lists.ceph.com/pipermail/ceph-users-ceph.com/2013-June/002131.html >> >> >> _______________________________________________ >> libvirt-users mailing list >> libvirt-users@xxxxxxxxxx >> https://www.redhat.com/mailman/listinfo/libvirt-users >> > _______________________________________________ libvirt-users mailing list libvirt-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvirt-users
