Umm...there are hooks for that, but they're for debug purposes only. And running multiple MDSes *will* break something, in ways that fragmenting the directories won't. If you're dead set on this course, you can dig through the qa directory for the MDS tests to see what commands it's running to force fragments into a specific MDS. -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com
On Mon, Jun 30, 2014 at 8:51 AM, Florent B <flor...@coppint.com> wrote: > Ok thank you. So it is not possible to set a specific directory assigned > to a MDS ? > > On 06/30/2014 05:34 PM, Gregory Farnum wrote: >> Directory sharding is even less stable than the rest of the MDS, but >> if you need it I have some hope that things willow work. You just need >> to set the "mds bal frag" option to "true". You can configure the >> limits as well; see the options following: >> https://github.com/ceph/ceph/blob/master/src/common/config_opts.h#L323 >> -Greg >> Software Engineer #42 @ http://inktank.com | http://ceph.com >> >> >> On Mon, Jun 30, 2014 at 7:09 AM, Florent B <flor...@coppint.com> wrote: >>> Hi, >>> >>> I would like to do Multi-MDS (directory sharding) with CephFS. >>> >>> But I didn't find any documentation. >>> >>> Is it supported in Firefly ? >>> >>> Where can I find some information ? >>> >>> Thank you. >>> _______________________________________________ >>> 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
