Well, it's entirely possible that the mid-level SCSI layer is doing
something horribly stupid.
On the other hand, it's also entirely possible that IDE is just a lot
better than what the SCSI-bigots tend to claim. It's not all that
surprising, considering that the PC industry has pushed untold billions of
dollars into improving IDE, with SCSI as nary a consideration. The above
may just simply be the Truth, with a capital T.
(And "bonnie" is not a very good benchmark. It's not exactly mirroring any
real life access patterns. I would not be surprised if the SCSI driver
performance has been tuned by bonnie alone, and maybe it just sucks at
everything else)
Maybe we should ask whether somebody like lnz is interested in seeing what
SCSI does wrong here?
Linus
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