Re: [ceph-users] RBD on openstack glance+cinder CoW?
On Tue, Oct 7, 2014 at 5:35 PM, Jonathan Proulx j...@jonproulx.com 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@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
Re: [ceph-users] RBD on openstack glance+cinder CoW?
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 nat...@robotics.net wrote: On Tue, Oct 7, 2014 at 5:35 PM, Jonathan Proulx j...@jonproulx.com 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@lists.ceph.com 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@enovance.com Address : 11 bis, rue Roquépine - 75008 Paris Web : www.enovance.com - Twitter : @enovance signature.asc Description: Message signed with OpenPGP using GPGMail ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
Re: [ceph-users] RBD on openstack glance+cinder CoW?
On Wed, Oct 8, 2014 at 10:10 AM, Sebastien Han sebastien@enovance.com wrote: 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. That was exactly it. I love simple fixes! Thanks, -Jon ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
[ceph-users] RBD on openstack glance+cinder CoW?
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? Thanks, -Jon ___ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
