You may want to check your min_size value for your pools. If it is set to the pool size value, then the cluster will not do I/O if you loose a chassis. On Sun, Jul 5, 2015 at 11:04 PM, Mallikarjun Biradar <mallikarjuna.biradar@xxxxxxxxx> wrote: > Hi all, > > Setup details: > Two storage enclosures each connected to 4 OSD nodes (Shared storage). > Failure domain is Chassis (enclosure) level. Replication count is 2. > Each host has allotted with 4 drives. > > I have active client IO running on cluster. (Random write profile with 4M > block size & 64 Queue depth). > > One of enclosure had power loss. So all OSD's from hosts that are connected > to this enclosure went down as expected. > > But client IO got paused. After some time enclosure & hosts connected to it > came up. > And all OSD's on that hosts came up. > > Till this time, cluster was not serving IO. Once all hosts & OSD's > pertaining to that enclosure came up, client IO resumed. > > > Can anybody help me why cluster not serving IO during enclosure failure. OR > its a bug? > > -Thanks & regards, > Mallikarjun Biradar > > _______________________________________________ > 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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