On 11/30/18 5:48 AM, Michael Green wrote: > Hello collective wisdom, > > Ceph neophyte here, running v13.2.2 (mimic). > > Question: what tools are available to monitor IO stats on RBD level? > That is, IOPS, Throughput, IOs inflight and so on? > I'm testing with FIO and want to verify independently the IO load on > each RBD image. > There is no central point in Ceph where all I/O passes, so those counters can only be found on the client issuing the I/O. If you enable the admin socket on a librbd client you can use the 'perf dump' command so see what it's doing. This is how you enable the socket: https://ceph.com/geen-categorie/ceph-validate-that-the-rbd-cache-is-active/ Wido > -- > *Michael Green* > Customer Support & Integration > green@xxxxxxxxxxxxx <mailto:green@xxxxxxxxxxxxx> > > > _______________________________________________ > 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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