On Wed, Feb 21, 2018 at 7:27 PM, Anthony D'Atri <aad@xxxxxxxxxxxxxx> wrote: >>> 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. > That's why the Mimic release should offer a specific set of "rbd migration XYX" actions to perform minimal downtime migrations. I was saying that hacking around rbd-mirror to add such a feature has limited long-term value given the release plan. Plus, in the immediate term you can use a kernel md RAID device or QEMU+librbd to perform the migration for you w/ minimal downtime (albeit with potentially more hands-on setup involved). > > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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