2016-06-09 10:18 GMT+02:00 Christian Balzer <chibi@xxxxxxx>: > IPoIB is about half the speed of your IB layer, yes. Ok, so it's normal. I've seen benchmarks on net stating that IPoIB on DDR should reach about 16-17Gb/s I'll plan to move to QDR > And bandwidth is (usually) not the biggest issue, latency is. I've never checked the latency that I had. Even with IPoIB should be lower than 10GBASE-T > Google for "Accelio Ceph". Thanks. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com