On Sun, 1 Sep 2013, Gaylord Holder wrote: > > I created a pool with no replication and an RBD within that pool. I mapped > the RBD to a machine, formatted it with a file system and dumped data on it. > > Just to see what kind of trouble I can get into, I stopped the OSD the RBD was > using, marked the OSD as out, and reformatted the OSD tree. > > When I brought the OSD back up, I now have three stale PGs. > > Now I'm trying to clear the stale PGs. I've tried removing the OSD from the > crush maps, the OSD lists etc, without any luck. Note that this means that you destroyed all copies of those 3 PGs, which means this experiment lost data. You can make ceph recreate the PGs (empty!) with ceph pg force_create_pg <pgid> sage > Running > ceph pg 3.1 query > ceph pg 3.1 mark_unfound_lost revert > ceph explains it doesn't have a PG 3.1 > > Running > ceph osd repair osd.1 > hangs after pg 2.3e > > Running > ceph osd lost 1 --yes-i-really-mean-it > nukes the osd. Rebuilding osd.1 goes fine, but I still have 3 stale PGs. > > Any help clearing these stale pages would be appreciated. > > Thanks, > -Gaylord > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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