I see that ceph has 'ceph osd perf' that gets the latency of the OSDs. Is there a similar command that would provide some performance data about RBDs in use? I'm concerned about out ability to determine which RBD(s) may be "abusing" our storage at any given time. What are others doing to locate performance issues in their Ceph clusters? Thanks, Robert LeBlanc _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com