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From: Scott Long <scottl@samsco.org>
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To: Steven Hartland <killing@multiplay.co.uk>
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Subject: Re: Very low disk performance Highpoint 1820a
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Steven Hartland wrote:
> If that where the case it would have been it wouldn't have been
> 46Mb/s it would have been 543Mb/s, just tested it for you :P

The RR1280 cards are really just software RAID cards.  All of the parity
calculations are done by the CPU.  I couldn't find much evidence that
the driver has parity routines that are optimized for the CPU, so it's
likely doing a very inefficient job at it.

Scott