On 23/7/19 9:59 pm, Stuart Longland wrote: > I'll do some proper measurements once the migration is complete. A starting point (I accept more rigorous disk storage tests exist): > virtatomos ~ # hdparm -tT /dev/vdb > > /dev/vdb: > Timing cached reads: 2556 MB in 1.99 seconds = 1281.50 MB/sec > Timing buffered disk reads: 62 MB in 3.03 seconds = 20.48 MB/sec That is without any special tuning, just migrating back to FileStore… journal is on the HDD (it wouldn't let me put it on the SSD like it did last time). As I say, not going to set the world on fire, but 20MB/sec is quite usable for my needs. The 4× speed increase is very welcome! -- Stuart Longland (aka Redhatter, VK4MSL) I haven't lost my mind... ...it's backed up on a tape somewhere. _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com