Thanks for the pointer! -Dave -----Original Message----- From: Sitsofe Wheeler [mailto:sitsofe@xxxxxxxxx] Sent: Tuesday, October 31, 2017 4:27 PM To: David Hare <david.hare@xxxxxxxxxxxxxxx> Cc: Jens Axboe <axboe@xxxxxxxxx>; fio@xxxxxxxxxxxxxxx Subject: Re: FIO windows 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/ ��.n��������+%������w��{.n�������^n�r������&��z�ޗ�zf���h���~����������_��+v���)ߣ�
