On 6 February 2015 at 20:03, Lakshmi <sendtold@xxxxxxxxx> wrote: > > cmd="$FIO --name=test --group_reporting=1 --ioengine=libaio > --invalidate=1 --iodepth=32 --bs=4K --filename=/dev/sde --rw=randread > --direct=1 --buffered=0 --time_based --runtime=300 --numjobs=64" I could be wrong but doesn't an iodepth of 32 and 64 jobs means that you would try and queue up 2048 (32*64) 4K I/Os on the same disk at once? Does /dev/sde really have a queue depth that high (cat /sys/block/sde/queue/nr_requests will tell you the kernel side) and is that your intent? -- Sitsofe | http://sucs.org/~sits/ -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
