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Subject: Re: IDE/Promise 20276 FastTrack RAID Doesn't work in 2.4.21,
	patchattached to fix
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Samuel Flory <sflory@rackable.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
       Ruth.Ivimey-Cook@ivimey.org,
       Chad Kitching <CKitching@powerlandcomputers.com>,
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       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 14 Jul 2003 19:49:02 +0100
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>   Yes unless you insert the pdcraid module.  Linux will only see the raw 
> drives.  Once you insert pdcraid you can see the raid devices, and raw 
> disks.  Which can cause major issues at times.

You need to be able to see both for some situations - eg maintainability