Hum I just tried on a devstack and on firefly stable, it works for me. Looking at your config it seems that the glance_api_version=2 is put in the wrong section. Please move it to [DEFAULT] and let me know if it works. On 08 Oct 2014, at 14:28, Nathan Stratton <nathan@xxxxxxxxxxxx> wrote: > On Tue, Oct 7, 2014 at 5:35 PM, Jonathan Proulx <jon@xxxxxxxxxxxxx> wrote: > Hi All, > > We're running Firefly on the ceph side and Icehouse on the OpenStack > side & I've pulled the recommended nova branch from > https://github.com/angdraug/nova/tree/rbd-ephemeral-clone-stable-icehouse > > according to http://ceph.com/docs/master/rbd/rbd-openstack/#booting-from-a-block-device: > > "When Glance and Cinder are both using Ceph block devices, the image > is a copy-on-write clone, so it can create a new volume quickly" > > I'm not seeing this, even though I have glance setup in such away that > nova does create copy on write clones when booting ephemeral instances > of the same image. Cinder downloads the glance RBD than pushes it > back up as full copy. > > Since Glance -> Nova is working (has the show_image_direct_url=True > etc...) I suspect a problem with my Cinder config, this is what I > added for rbd support: > > [rbd] > volume_driver=cinder.volume.drivers.rbd.RBDDriver > rbd_pool=volumes > rbd_ceph_conf=/etc/ceph/ceph.conf > rbd_flatten_volume_from_snapshot=false > rbd_max_clone_depth=5 > glance_api_version=2 > rbd_user=<USER> > rbd_secret_uuid=<UUID> > volume_backend_name=rbd > > Note it does *work* just not doing CoW. Am I missing something here? > > I am running into the same thing, when I import a temp file is created in /var/lib/cinder/conversion. Everything works, it just is not CoW. > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com Cheers. –––– Sébastien Han Cloud Architect "Always give 100%. Unless you're giving blood." Phone: +33 (0)1 49 70 99 72 Mail: sebastien.han@xxxxxxxxxxxx Address : 11 bis, rue Roquépine - 75008 Paris Web : www.enovance.com - Twitter : @enovance
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