Re: [ceph-users] Optane 900P device class automatically set to SSD not NVME

2018-08-13 Thread Olivier Bonvalet
On a recent Luminous cluster, with nvme*n1 devices, the class is automatically set as "nvme" on "Intel SSD DC P3520 Series" : ~# ceph osd tree ID CLASS WEIGHT TYPE NAME STATUS REWEIGHT PRI-AFF -1 2.15996 root default -9 0.71999 roo

Re: [ceph-users] Optane 900P device class automatically set to SSD not NVME

2018-08-13 Thread Alfredo Deza
On Wed, Aug 1, 2018 at 4:33 AM, Jake Grimmett wrote: > Dear All, > > Not sure if this is a bug, but when I add Intel Optane 900P drives, > their device class is automatically set to SSD rather than NVME. Not sure if we can't really tell apart SSDs from NVMe devices, but you can use the --crush-de

Re: [ceph-users] Optane 900P device class automatically set to SSD not NVME

2018-08-13 Thread vitalif
Hi, Can you benchmark your Optane 900P with `fio -fsync=1 -direct=1 -bs=4k -rw=randwrite -runtime=60`? It's really interesting to see how much iops it will provide for ceph :) -- With best regards, Vitaliy Filippov ___ ceph-users mailing list ceph

Re: [ceph-users] Optane 900P device class automatically set to SSD not NVME

2018-08-12 Thread ceph
Am 1. August 2018 10:33:26 MESZ schrieb Jake Grimmett : >Dear All, Hello Jake, > >Not sure if this is a bug, but when I add Intel Optane 900P drives, >their device class is automatically set to SSD rather than NVME. > AFAIK ceph actually difference only between hdd and ssd. Nvme would be hand

[ceph-users] Optane 900P device class automatically set to SSD not NVME

2018-08-01 Thread Jake Grimmett
Dear All, Not sure if this is a bug, but when I add Intel Optane 900P drives, their device class is automatically set to SSD rather than NVME. This happens under Mimic 13.2.0 and 13.2.1 [root@ceph2 ~]# ceph-volume lvm prepare --bluestore --data /dev/nvme0n1 (SNIP see http://p.ip.fi/eopR for out