Subject: Re: wd.c patch (was Re: NetBSD 3.0_BETA & RAIDframe problems)
To: Timo Schoeler <>
From: Manuel Bouyer <>
List: current-users
Date: 06/22/2005 10:35:05
On Tue, Jun 21, 2005 at 06:57:20PM +0200, Timo Schoeler wrote:
> > It depends on how the drive is accessed. You have to access sector 262144
> > exactly. If your drive is partitionned in such a way that sector 262144
> > in not the first sector of a fragment, I suspect that you won't see the
> > problem. A dd with the default block size on the raw device will make it
> > show up.
> yip, and as the subject describes one of the ways you'll run into this
> guaranteed is to build a RAIDframe. my machine crashed when doing this.
> not earlier.

I think it still depends on the partition layout and the stripe size. I don't
think raidframe does 1-sector I/O.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference