Hello Marc, here is the profile and the output: [global] ioengine=libaio invalidate=1 ramp_time=30 iodepth=1 runtime=180 time_based direct=1 filename=/dev/sdd [randwrite-4k-d32-rand] stonewall bs=4k rw=randwrite iodepth=32 [randread-4k-d32-rand] stonewall bs=4k rw=randread iodepth=32 [write-4096k-d32-seq] stonewall bs=4096k rw=write iodepth=32 [read-4096k-d32-seq] stonewall bs=4096k rw=read iodepth=32 ========== Run status group 0 (all jobs): WRITE: bw=2938KiB/s (3009kB/s), 2938KiB/s-2938KiB/s (3009kB/s-3009kB/s), io=517MiB (542MB), run=180036-180036msec Run status group 1 (all jobs): READ: bw=900KiB/s (921kB/s), 900KiB/s-900KiB/s (921kB/s-921kB/s), io=159MiB (167MB), run=180905-180905msec Run status group 2 (all jobs): WRITE: bw=148MiB/s (155MB/s), 148MiB/s-148MiB/s (155MB/s-155MB/s), io=26.1GiB (28.0GB), run=180577-180577msec Run status group 3 (all jobs): READ: bw=233MiB/s (244MB/s), 233MiB/s-233MiB/s (244MB/s-244MB/s), io=41.0GiB (44.1GB), run=180285-180285msec Regards, Behzad _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx