On Thu, 30 Oct 2014 10:40:38 +1100 Nigel Williams wrote: > On 30/10/2014 8:56 AM, Sage Weil wrote: > > * *Degraded vs misplaced*: the Ceph health reports from 'ceph -s' and > > related commands now make a distinction between data that is > > degraded (there are fewer than the desired number of copies) and > > data that is misplaced (stored in the wrong location in the > > cluster). > > Is someone able to briefly described how/why misplaced happens please, > is it repaired eventually? I've not seen misplaced (yet). > Any time there is a change in data placement, be it a change in the CRUSH map like modifying the weight of an OSD or simply adding a new OSD. Thus objects are (temporarily) not where they're supposed to be, but still present in sufficient replication. A much more benign scenario than degraded and I hope that this doesn't even generate a WARN in the "ceph -s" report.
Christian -- Christian Balzer Network/Systems Engineer [email protected] Global OnLine Japan/Fusion Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
