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On Thu, Jan 31, 2013 at 11:43 AM, Sébastien Han <han.sebastien at gmail.com>wrote:

> Try to have a look at the boot from volume feature. Basically the disk
> base of your instance is an RBD volume from Ceph. Something will be
> remain in /var/lib/nova/instances but it's only the kvm xml file.
>
> http://ceph.com/docs/master/rbd/rbd-openstack/?highlight=openstack
>
> Cheers!
> --
> Regards,
> Sébastien Han.
>
>
> On Thu, Jan 31, 2013 at 7:40 AM, Wolfgang Hennerbichler
> <wolfgang.hennerbichler at risc-software.at> wrote:
> > Hi,
> >
> > I'm sorry if this has been asked before. My question is: can I integrate
> ceph into openstack's nova & cinder in a way, that I don't need
> /var/lib/nova/instances anymore? I'd like to have EVERYTHING in ceph,
> starting from glance images to nova-disk-images and volumes (cinder). And
> more important: Can this be done in a way so that my horizon-users can
> still use horizon (including snapshotting) without the need of abusing the
> command-line? :)
> > I've read that cinder and glance are supported, but I didn't find much
> information on nova-disk-images and ceph.
> >
> > thanks for a reply
> > wolfgang
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Boot from volume is one good option, another is to setup ceph and point
nova's insances_path to point to it.  I haven't done it with Ceph but I've
done this sort of thing using iSCSI mounts on the compute node.
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