David, Sorry for typo. I paste and not copy the configuration file. # cat randwrite.fio [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 iodepth=64 stonewall # Cordialement, Thierry Bertaud Tel: 01 60 95 51 41 PS: Merci de mettre en copie pour toute demande système, le groupe dsisystunix@xxxxxxxxxxxx ________________________________________ De : David Nellans <david@xxxxxxxxxxx> Envoyé : mardi 19 janvier 2016 01:15 À : Thierry BERTAUD Cc : fio@xxxxxxxxxxxxxxx Objet : Re: How to stress a 8Gbps card to get 500 000 IOPS or 1600 MB/s 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
