On Mon, Jun 03, 2013 at 08:58:00PM -0700, Sage Weil wrote: > My first guess is that you do not have the newer crush tunables set and > some placements are not quite right. If you are prepared for some data > migration, and are not using an older kernel client, try > > ceph osd crush tunables optimal One thing that I'm not quite sure about - in the documentation we learn: The ceph-osd and ceph-mon daemons will start requiring the feature bits of new connections as soon as they get the updated map. However, already-connected clients are effectively grandfathered in, and will misbehave if they do not support the new feature. So: Am I in danger when I set this to optimal in a productive bobtail-cluster with qemu-rbd being the only "client" around? > sage Wolfgang -- http://www.wogri.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
 |