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Date: Fri, 10 Mar 2006 23:55:24 +1300
From: Mark Kirkwood <markir@paradise.net.nz>
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To: Jud <judmarc@fastmail.fm>
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Cc: freebsd-hardware@freebsd.org
Subject: Re: Fwd: Promise TX2200/2300 SATA RAID Controllers - New Driver/BIOS
 Problem
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Jud wrote:

> Another oddity: The Promise BIOS allows a stripe size of 128kB, but
> after running "atacontrol create raid0 250 ad4 ad6," the BIOS shows a
> stripe size of 64kB (the default) on bootup.

I think you need to do "atacontrol create raid0 256 ad4 ad6" (assuming 
"250" isn't a typo) - 250 is not a valid stripe size, so I guess the 
array firmware is falling back on the default of 128.

Cheers

Mark