On Mon, Jun 18, 2012 at 5:34 AM, Alexandre DERUMIER <aderumier@xxxxxxxxx> wrote: > I'm doing test with rados bench, and I see constant writes to osd disks. > Is it the normal behaviour ? with write-ahead should write occur each 20-30 seconde ? Is the osd data filesystem perhaps doing atime updates? noatime is your friend. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html