On Fri, Jan 25, 2002 at 01:32:06PM -0600, Timothy E. Denehy wrote:
> 
> The four disks are Seagate ST318305LC, and there are two Adaptec 39160
> controllers, with two disks attached to each.  The machine is a Dell
> PowerEdge 4400.
> 
> I've been able to achieve 80 MB/s sequential writes by manually striping
> across the four disks with a test program, but combining them into a RAID
> array greatly reduces the throughput.

Hum, you said you're using raidframe. Did you try ccd ? 

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
--