Hi, You might find some useful tips in previous "go faster" fio mailing list threads like https://www.spinics.net/lists/fio/msg05984.html . On 31 October 2017 at 23:07, David Hare <david.hare@xxxxxxxxxxxxxxx> wrote: > Just a little back story, I am testing a 88core Dell R930 with 30 NVMe > drives, (6) Kingston PCIe NVMe each has 4 m.2 drive ie. 24 drives. Then > there is (6) 2.5" NVMe u.2 drives. > > I started out with my usual tools benchmark tools and was not able to get > anything above 36GB/s and I had to run the multiple version of the tools at > the same time. > > I found Diskspd for windows and it has a lot of control with threads and > affinity I was able to reach 52.7GB/s which is pretty close to theoretical > max of the drives of about 56GB/s. > > I am trying to achieve the same results or close with FIO so I can compares > Windows with Centos and ultimately our version of Redhat. I am having issue > tuning FIO much above 14GB/s -- 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
