I would suggest deadline for any ssd, nvme ssd, or pcie flash card. But, you will need to supply the deadline settings too or deadline won't be any different than running with noop Rick Sent from my iPhone, please excuse any typing errors. > On Oct 31, 2016, at 5:01 AM, Wido den Hollander <wido@xxxxxxxx> wrote: > > >> Op 28 oktober 2016 om 15:37 schreef Kees Meijs <kees@xxxxxxxx>: >> >> >> Hi, >> >> Interesting... We're now running using deadline. In other posts I read >> about noop for SSDs instead of CFQ. >> >> Since we're using spinners with SSD journals; does it make since to mix >> the scheduler? E.g. CFG for spinners _and_ noop for SSD? >> > > Yes, CFQ for the spinners and noop for the SSD is good. The scrubbing doesn't touch the journal anyway. > > Wido > >> K. >> >>> On 28-10-16 14:43, Wido den Hollander wrote: >>> Make sure you use the CFQ disk scheduler for your disks though. >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com