On Thu, Feb 23, 2012 at 11:07, Gregory Farnum <gregory.farnum@xxxxxxxxxxxxx> wrote: >>> 3 nodes, each running mon, mds & osd with replication level 3 for data & metadata pools. ... > Actually the OSDs will happily (well, not happily; the will complain. > But they will run) run in degraded mode. However, if you have 3 active > MDSes and you kill one of them without a standby available, you will > lose access to part of your tree. That's probably what happened > here... So let's try that angle. Slim, can you share the output of "ceph -s" with us? -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html