Now OpenStack H needs a new RBD installation guide. But there exists some confusing problem may disturb newers:
1. OpenStack H can make use of RBD as the backend of Nova(/var/lib/nova/instances) 2. A critical patch is missing(https://review.openstack.org/#/c/46879/) which is used to integrate Glance and Nova. 3. If you did all above(make use of rbd as nova backend and backport patch), live-migration still needs a compatible patch to work. And after JoshDurgin restore point 2 commit and merged, I will commit this compatible patch. So we still have more things to do with OpenStack & Ceph. If you are a new user, consider just use Ceph as backend of Glance and Cinder. On Sun, Nov 3, 2013 at 3:01 AM, Dinu Vlad <dinuvla...@gmail.com> wrote: > I don't know of any guide besides the official install docs from > grizzly/havana, but I'm running openstack grizzly on top of rbd storage > using glance & cinder and it makes (almost) no use of > /var/lib/nova/instances. Live migrations also work. The only files there > should be "config.xml" and "console" - otherwise, live-migrations won't > work OR the path should be a mounted shared storage (NFS, GlusterFS etc). > > Nova-compute stores "disk*" files under that path in the following cases: > - when one starts an instance only by using "--image <image id>" argument > to nova-boot, without a pre-created cinder volume and without the > "--block-device-mapping" argument > - when one uses a "config disk" for bootstrapping instances > - when one configures a "swap" disk in the flavor used to start the > instance > > > On Nov 2, 2013, at 2:32 AM, Gaylord Holder <ghol...@cs.drexel.edu> wrote: > > > > http://www.sebastien-han.fr/blog/2013/06/03/ceph-integration-in-openstack-grizzly-update-and-roadmap-for-havana/ > > > > suggests it is possible to run openstack instances (not only images) off > of RBDs in grizzly and havana (which I'm running), and to use RBDs in lieu > of a shared file system. > > > > I've followed > > > > http://ceph.com/docs/next/rbd/libvirt/ > > > > but I can only get boot-from-volume to work. Instances still are being > housed in /var/lib/nova/instances, making live-migration a non-starter. > > > > Is there a better guide for running openstack instances out of RBDs, or > is it just not ready yet? > > > > Thanks, > > > > -Gaylord > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Best Regards, Wheat
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