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From: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
To: Thomas Horsten <thomas@horsten.com>
Subject: Re: [PATCH] 2.4.x Linux Medley RAID Version 7
Date: Wed, 10 Mar 2004 23:14:18 +0100
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On Wednesday 10 of March 2004 21:11, Thomas Horsten wrote:
> On Wed, 10 Mar 2004, Bartlomiej Zolnierkiewicz wrote:
> > Patch for inclusion should have this cleaned up.
>
> I have cleaned up the code according to your and Christoph's comments +
> CodingStyle (and some other cleanups now I was at it).

Ok, thanks.

> > The similar thing here - ie. I would like to replug drives to on-board
> > Intel. When Linux is driving RAID purely in software it shouldn't matter
> > what controller we are using.
>
> I have not changed this. There is simply no reliable way to detect the
> Medley superblock without comparing these magic words with the PCI values.

There is still a checksum.

> My Medley solution for 2.6 will be completely userspace (using dm), and
> there it will be possible to "force detect" an array with non-matching PCI
> ID by passing the devices as command line arguments, unfortunately it's
> not that easy in 2.4 (the whole ataraid is a hack anyway, but a useful one
> until something better is in place).

Yep, device-mapper is the way to go.

> Patch below.

I will submit it to Marcelo soon...

Regards,
Bartlomiej