On Wed, Aug 25, 2010 at 6:18 PM, Wilkinson, Alex <alex.wilkin...@dsto.defence.gov.au> wrote: > 0n Wed, Aug 25, 2010 at 02:54:42PM -0400, LaoTsao ?????? wrote: > >IMHO, U want -E for ZIL and -M for L2ARC > > Why ?
-E uses SLC flash, which is optimised for fast writes. Ideal for a ZIL which is (basically) write-only. -M uses MLC flash, which is optimised for fast reads. Ideal for an L2ARC which is (basically) read-only. -E tends to have smaller capacities, which is fine for ZIL. -M tends to have larger capacities, which is perfect for L2ARC. -- Freddie Cash fjwc...@gmail.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
