I haven't had a chance to test this, but I believe allowing Ceph RBD as ephemerial disk was approved as part of Havana. Would have required changes to libvirt but the blueprint is here: https://blueprints.launchpad.net/nova/+spec/bring-rbd-support-libvirt-images-type On Tue, Nov 5, 2013 at 8:49 AM, Maciej Gałkiewicz <macias at shellycloud.com>wrote: > On 4 November 2013 11:54, Julien De Freitas <bada.boum at outlook.com> wrote: > >> Hi Maciej, >> >> Tell me if i'm wrong but with block device you have two solutions : >> 1 - Use it with cinder and have to specify Boot From volume when >> creating a VM >> > > Yes. > > >> 2 - Use it directly with meta data storage, but need to create 1 volume >> for each node >> > > This option does not make sense. > > >> >> In any case you loose the ability to live migrate instance. >> >> Right ? >> > > I am using the first option and live migration works fine. > > regards > -- > Maciej Gałkiewicz > Shelly Cloud Sp. z o. o., Sysadmin > http://shellycloud.com/, macias at shellycloud.com > KRS: 0000440358 REGON: 101504426 > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20131105/e4ec9fd1/attachment.html>