> One of the things I REALLY like about my Baydel RAID units
> (besides the tremendous performance that happens to not be
> priced like the Clariions they compete with) is that I can
> get stats from the box.
>
> And I can use that information to adjust stripe size.

here it's RAID1 case - so there's nothing to tune.

>
> RAID storing email data performs better with different
> settings that the box backing a Sybase database.

using RAID5 for databases in generally very bad idea - unless it's mostly
readonly database.