Yes . I have this problem to. Actually the newest kernels don't support this features to. It's a strange problem. On Aug 16, 2016 6:36 AM, "Chengwei Yang" <chengwei.yang...@gmail.com> wrote:
> On Mon, Aug 15, 2016 at 03:27:50PM +0200, Ilya Dryomov wrote: > > On Mon, Aug 15, 2016 at 9:54 AM, Chengwei Yang > > <chengwei.yang...@gmail.com> wrote: > > > Hi List, > > > > > > I read from ceph document[1] that there are several rbd image features > > > > > > - layering: layering support > > > - striping: striping v2 support > > > - exclusive-lock: exclusive locking support > > > - object-map: object map support (requires exclusive-lock) > > > - fast-diff: fast diff calculations (requires object-map) > > > - deep-flatten: snapshot flatten support > > > - journaling: journaled IO support (requires exclusive-lock) > > > > > > But I didn't found any document/blog/google tells these features > supported since > > > which kernel version. > > > > No released kernel currently supports these features. exclusive-lock > > is staged for 4.9, we are working on staging object-map and fast-diff. > > Thanks Ilya > > Since object-map, fast-diff, journaling are depend on exclusive-lock, so I > expect them will be available after exclusive-lock. > > And I verified that layering is supported fine by centos kernel 3.10.0-327 > while > neither striping nor deep-flatten is supported, do you know which valina > kernel > version start to supported rbd striping and deep-flatten? > > > -- > Thanks, > Chengwei > > > > > Thanks, > > > > Ilya > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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