From owner-freebsd-questions@FreeBSD.ORG  Sun Apr  8 14:39:10 2012
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 9EF541065670;
	Sun,  8 Apr 2012 14:39:10 +0000 (UTC)
	(envelope-from wblock@wonkity.com)
Received: from wonkity.com (wonkity.com [67.158.26.137])
	by mx1.freebsd.org (Postfix) with ESMTP id 59A608FC08;
	Sun,  8 Apr 2012 14:39:10 +0000 (UTC)
Received: from wonkity.com (localhost [127.0.0.1])
	by wonkity.com (8.14.5/8.14.5) with ESMTP id q38Ed4KZ007736;
	Sun, 8 Apr 2012 08:39:04 -0600 (MDT)
	(envelope-from wblock@wonkity.com)
Received: from localhost (wblock@localhost)
	by wonkity.com (8.14.5/8.14.5/Submit) with ESMTP id q38Ed40c007733;
	Sun, 8 Apr 2012 08:39:04 -0600 (MDT)
	(envelope-from wblock@wonkity.com)
Date: Sun, 8 Apr 2012 08:39:04 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: =?ISO-8859-7?Q?Airoso=E2icz_fb=2E?= <airosovicz@gmail.com>
In-Reply-To: <CAEUQAzMw4mLKCgoZ-fF56jdtX05zE0zYBYqa66jYEKw4xK1=1w@mail.gmail.com>
Message-ID: <alpine.BSF.2.00.1204080833200.7670@wonkity.com>
References: <CAEUQAzMw4mLKCgoZ-fF56jdtX05zE0zYBYqa66jYEKw4xK1=1w@mail.gmail.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7
	(wonkity.com [127.0.0.1]); Sun, 08 Apr 2012 08:39:04 -0600 (MDT)
Cc: Matthew Seaman <matthew@freebsd.org>,
	FreeBSD Questions <freebsd-questions@freebsd.org>
Subject: Re: Upgrade to 9.0 - Mount to root failed..
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 08 Apr 2012 14:39:10 -0000

On Sun, 8 Apr 2012, Airoso?icz fb. wrote:

> It's starting to make sense now.. Mounting ufs:/dev/ad*a*2s1a i.o. from
> ufs:/dev/ad2s1a simply doesn't work because as I've put in my original
> post with # ls -l /dev/ad* it doesn't exist.. Only ad2,ad2s1 & ad2s1a do..

ada device numbering is relative, so the first drive found is always 
ada0.  If there are no ada devices in /dev at all, I'd guess too much 
has been removed from the custom kernel.

> # man 8 tunefs: The tunefs can not be run on an active filesystem.
> To change an active filesystem it must be downgraded to read only or
> to unmounted.. [Which I've done with # mount -r -f..]
>
> # tunefs: /dev/ad2s1a: failed to write superblock..
>
> I've updated the /etc/fstab with the ROOT label but I can't get the
> single-user mount nor the tunefs to work..

http://www.wonkity.com/~wblock/docs/html/labels.html shows a full 
example.