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Date: Sat, 04 Jun 2011 15:16:37 +0200
From: =?ISO-8859-1?Q?Erik_N=F8rgaard?= <norgaard@locolomo.org>
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To: Warren Block <wblock@wonkity.com>
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Cc: "questions@FreeBSD.org Questions" <questions@freebsd.org>,
	Polytropon <freebsd@edvax.de>
Subject: Re: Where's my disk?
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On 4/6/11 3:09 PM, Warren Block wrote:
> On Sat, 4 Jun 2011, Erik Nørgaard wrote:
>> Thanks, I tried to add labels, and all file systems are labeled,
>> except the root file system, it gives an error
>>
>> alpha# tunefs -L root /dev/ad6s1a
>> tunefs: /dev/ad6s1a: failed to write superblock
>
> The filesystem has to be unmounted or mounted ro to set a label.

Thanks, but not enough:

alpha# mount -f -o ro /
alpha# mount
/dev/ad6s1a on / (ufs, local, read-only)
devfs on /dev (devfs, local, multilabel)
/dev/ufs/local on /usr/local (ufs, local)
/dev/ufs/var on /var (ufs, local)
/dev/ufs/tmp on /tmp (ufs, local)
/dev/ufs/home on /home (ufs, local)
/dev/ufs/share on /home/share (ufs, local)
devfs on /var/named/dev (devfs, local, multilabel)
alpha# tunefs -L root /dev/ad6s1a
tunefs: /dev/ad6s1a: failed to write superblock

BR, Erik