On Mon, Jun 25, 2012 at 6:03 PM, Tommi Virtanen <t...@inktank.com> wrote: > On Sat, Jun 23, 2012 at 11:42 AM, Igor Laskovy <igor.lask...@gmail.com> wrote: >> Hi all from hot Kiev)) >> >> Does anybody use Ceph as a backend storage for NOVA-INST-DIR/instances/ ?
Yes. http://www.sebastien-han.fr/blog/2012/06/10/introducing-ceph-to-openstack/ Look at the "Live Migration with CephFS" part. >> Is it in production use? "Production use" would require CephFS to be production ready, which at this point it isn't. > Live migration is still possible? Yes. >> I kindly ask any advice of best practices point of view. > > That's the shared NFS mount style for storing images, right? While you > could use the Ceph Distributed File System for that, there's a better > answer (for both Nova and Glance): RBD. ... which sort of goes hand-in-hand with boot from volume, which was just recently documented in the Nova admin guide, so you may want to take a look: http://docs.openstack.org/trunk/openstack-compute/admin/content/boot-from-volume.html That being said, volume attachment persistence across live migrations hasn't always been stellar in Nova, and I'm not 100% sure how well trunk currently deals with that. Cheers, Florian -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
