On Wed, 2006-05-10 at 09:51, Douglas McNaught wrote: > Scott Marlowe <smarlowe@xxxxxxxxxxxxxxxxx> writes: > > > On Tue, 2006-05-09 at 20:02, Bruce Momjian wrote: > > >> You do if the controller thinks the data is already on the drives and > >> removes it from its cache. > > > > Bruce, re-read what I wrote. The escalades tell the drives to TURN OFF > > THEIR OWN CACHE. > > Some ATA drives would lie about that too IIRC. Hopefully they've > stopped doing it in the SATA era. Ugh. Now that would make for a particularly awful bit of firmware implementation. I'd think that if I found a SATA drive doing that I'd be likely to strike the manufacturer off of the list for possible future purchases...