Hi! root@stb1:~# dd if=/dev/zero of=/dev/rbd0 bs=10240000 ^C13217+0 records in 13217+0 records out 135342080000 bytes (135 GB) copied, 1135.75 s, 119 MB/s root@stb1:~# dd if=/dev/rbd0 of=/dev/null bs=10240000 ^C930+0 records in 929+0 records out 9512960000 bytes (9.5 GB) copied, 394.773 s, 24.1 MB/s It's my misconfiguration? P.S. 20 OSD servers, 2*1G ether. WBR, Fyodor. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html