I recently migrated several VMs from an HDD pool to an SSD pool without any downtime with proxmox. It is definitely possible with qemu to do no downtime migrations between pools.
On Wed, Feb 21, 2018, 8:32 PM Alexandre DERUMIER <aderum...@odiso.com> wrote: > Hi, > > if you use qemu, it's also possible to use drive-mirror feature from qemu. > (can mirror and migrate from 1 storage to another storage without > downtime). > > I don't known if openstack has implemented it, but It's working fine on > proxmox. > > > ----- Mail original ----- > De: "Anthony D'Atri" <a...@dreamsnake.net> > À: "ceph-users" <ceph-users@lists.ceph.com> > Envoyé: Jeudi 22 Février 2018 01:27:23 > Objet: Re: [ceph-users] Migrating to new pools > > >> I was thinking we might be able to configure/hack rbd mirroring to > mirror to > >> a pool on the same cluster but I gather from the OP and your post that > this > >> is not really possible? > > > > No, it's not really possible currently and we have no plans to add > > such support since it would not be of any long-term value. > > The long-term value would be the ability to migrate volumes from, say, a > replicated pool to an an EC pool without extended downtime. > > > > > > _______________________________________________ > 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 >
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