> On Wed, 8 Jul 2009, Moore, Joe wrote: > That's true for the worst case, but zfs mitigates > that somewhat by > batching i/o into a transaction group. This means > that i/o is done every > 30 seconds (or 5 seconds, depending on the version > you're running), > allowing multiple writes to be written together in > the disparate > locations. >
I'd think that writing the same data two or three times is a much larger performance hit anyway. Calculating 5% parity and writing it in addition to the stripe might be heaps faster. Might try to do some tests on this. -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
