Subject: Re: RAID-1 and crash dumps
To: Martti Kuparinen <martti.kuparinen@iki.fi>
From: Manuel Bouyer <bouyer@antioche.eu.org>
List: current-users
Date: 02/03/2004 21:46:34
On Tue, Feb 03, 2004 at 07:28:58PM +0200, Martti Kuparinen wrote:
> Manuel Bouyer wrote:
> 
> >This looks good, and I find the same value using another way to compute it.
> >If you create on wd0 a partition starting at 192, can you mount
> >it and find the same value as raid0a ?
> 
> # disklabel raid0
>  a:  16777216         0     4.2BSD   2048 16384 27672
>  b:   2097152  16777216       swap
>  d: 241254528         0     unused      0     0
>  e: 222380160  18874368     4.2BSD   2048 16384 28856
> 
> # dc
> 18874368        # size of raid0e
> 192		# size of RAID structures
> +p
> 18874560	# offset of wd0f
> 
> # disklabel wd0
>  a: 241254657        63       RAID
>  c: 241254657        63     unused      0     0
>  d: 241254720         0     unused      0     0
>  e:  16777216       192     4.2BSD   2048 16384 27672
>  f: 222380160  18874560     4.2BSD   2048 16384 28856
> 
> # mount /dev/wd0e /mnt
> mount_ffs: /dev/wd0e on /mnt: incorrect super block
> # mount /dev/wd0f /mnt
> mount_ffs: /dev/wd0f on /mnt: incorrect super block

Obvisouly something changed. The value "192" for the offset looks suspicious to
me, on 2 i386 hosts here it's 96. Can you try with 96 ?
Maybe the raid's size in the raid0 disklabel is wrong ...

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--