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Date:      Tue, 26 Jun 2001 01:37:14 -0500
From:      David Banning <david@skytrackercanada.com>
To:        Gene Harris <geneh51@swbell.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: mount: /dev/wd0s1a on /: Device does not match mounted device
Message-ID:  <20010626013714.A78431@sympatico.ca>
In-Reply-To: <002201c0fdd9$a11df700$6401a8c0@development>; from geneh51@swbell.net on Mon, Jun 25, 2001 at 07:47:51PM -0500
References:  <002201c0fdd9$a11df700$6401a8c0@development>

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I had a similar problem.
Somewhere around version 4.0 wd changed to ad.
What I did was boot from the cdrom, go into fixit mode, then mounted the
drive and changed the /etc/fstab file.
Now that I am running 4.3S I find that as long as the drivers are in /dev
my fstab file can be setup with wd _or_ ad.

On Mon, Jun 25, 2001 at 07:47:51PM -0500, Gene Harris wrote:
> After CVSUP'ing last night (I track 4.x-STABLE), I am unable to boot today
> use to the error message:
> mount: /dev/wd0s1a on /: Device does not match mounted device.  The mount
> command shows ad0s1a on / (ufs, local, read-only).
> 
> It looks like my device 'wd' has gone away.  It is still in my /dev/
> directory, but it seems the system wants to mount my root as ad0s1a, which
> does not exist in my /dev/ directory.  I am unable to mount my root
> partition in read write mode so that I can correct the problem.
> 
> I tried booting to kernel.old, but that does not work either; I get the same
> error message, which makes me wonder if I need to load a module from the
> modules.old directory.  Any help or references on what to read would be
> greatly appreciated.  I think I need to do a /dev/MAKEDEV all and I need to
> edit my /etc/fstab file to change 'wd' entries to 'ad' entries.  However,
> since my file system is mounted read only, I am stuck.
> 
> Thanks in advance for any help.  My apologies if this message is in html, my
> windows box with Outlook express is all that I have for internet access at
> the moment.
> 
> Gene
> 
> 
> 
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