Running "rbd help <command name>" will provide documentation for all accepted optionals (there is also bash completion for all optionals as well). On Mon, Dec 18, 2017 at 4:49 PM, Caspar Smit <casparsmit@xxxxxxxxxxx> wrote: > Hi all, > > Allthough undocumented, i just tried: > > "rbd -p rbd copy disk1 disk1ec --data-pool ecpool" > > And it worked! :) > > The copy is now on the erasure coded pool. > > Kind regards, > Caspar > > 2017-12-18 22:32 GMT+01:00 Caspar Smit <casparsmit@xxxxxxxxxxx>: >> >> Hi all, >> >> http://ceph.com/community/new-luminous-erasure-coding-rbd-cephfs/ >> >> Since it is possible in Luminous to use RBD directly on erasure coded >> pools the question arises how i can migrate an RBD image from a replicated >> pool to an erasure coded pool. >> >> I've got two pools configured, one replicated pool named rbd and an >> erasure coded pool named ecpool >> >> The rbd pool stores a 100GB rbd image called 'disk1' >> >> i've created a 'destination' rbd image in the erasure coded pool called >> 'disk1ec' using: >> >> rbd -p rbd create --size 100G --data-pool ecpool disk1ec >> >> I've tried: rbd -p rbd copy disk1 disk1ec >> >> but that fails with: >> >> librbd: rbd image disk1ec already exists >> >> Which is obvious because the docs says the copy command will create the >> destination rbd image. >> >> When i don't create the disk1ec image first and do a rbd copy the result >> is just another rbd image in the replicated pool. >> >> So how would i copy (or move) the rbd image from replicated to erasure? Is >> there maybe a flag to the copy command to specify the data_pool for the >> destination? >> >> Kind regards and thanks in advance for any advice, >> Caspar > > > > _______________________________________________ > 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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