Здравствуйте! On Tue, Jul 07, 2015 at 02:21:56PM +0530, mallikarjuna.biradar 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? With replication factor 2 You have to take 3+ nodes in order to serve clients. If chooseleaf type > 0. -- WBR, Max A. Krasilnikov _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
