Well IOPS/througput is also dependent on the physical drive as well, HBA alone is not sufficient to get those rates, you will need a SSD/NVMe device to get very high IOPS as well. your harddrive will have IOPS and max range you should check that. On Mon, Jan 18, 2016 at 4:15 PM, David Nellans <david@xxxxxxxxxxx> wrote: > you have two typos in your config that will likely result in less than sufficient iodepth to hit 500k IOPS. check if those are in your actual config or not... > >> On Jan 18, 2016, at 5:58 PM, Thierry BERTAUD <tbertaud@xxxxxxxxxxxx> wrote: >> >> Hello fio team, >> >> I tryed to stress my 8 Gbps hba with fio wit a lot of case: >> I know that the hba card is capable of 500 000 IOPS or get data rate neat that 8 Gbps (1600 MB/sec). >> i tried to change block size, iodepth, numjobs, iodepth but idon't have good resulut. (42000 IOPS and throughput 162 MB/s). >> >> Below fio conf: >> [global] >> thread >> numjobs=1 >> iodepth=1 >> group_reporting >> bs=4k >> norandommap=1 >> refill_buffers >> direct=1 >> ioengine=posixaio >> runtime=300 >> time_based >> filename=/dev/hdisk6 >> log_avg_msec=1000 >> [randwrite_64_64] >> rw=randwrite >> numjobs=64 >> ioepth=64 >> stonewal >> >> >> >> Regards, >> Thierry-- >> 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 > -- > 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 -- A ship is safer in a harbor. But that's not what ships are built for. -- 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
