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Date: Fri, 21 Aug 2009 20:02:02 +0200
From: Ulrich =?utf-8?B?U3DDtnJsZWlu?= <uqs@spoerlein.net>
To: "Rick C. Petty" <rick-freebsd2008@kiwi-computer.com>, current@freebsd.org
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Subject: Re: Cannot mount / from UFS labels
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On Fri, 21.08.2009 at 18:07:00 +0200, Ulrich Spörlein wrote:
> On Fri, 21.08.2009 at 09:41:30 -0500, Rick C. Petty wrote:
> > On Fri, Aug 21, 2009 at 03:17:23PM +0200, Ulrich Spörlein wrote:
> > > # tunefs -L root / (in single user)
> > > then updated /etc/fstab and rebooted
> > 
> > Was / mounted read-write at the time?  After the tunefs, you should have
> > seen some messages on the console related to the labels.
> 
> Not quite, the dmesg spammage has been quenched in RELENG_8 and the
> label *did* show up in dumpfs and /dev/ufs. But I now tried again, and
> re-mounting the / filesystem r/w makes the label go away.
> 
> So I guess I need to boot a live system first and have the label created
> from "outside". Now where is that USB stick ...

Just to clarify, this worked.

What's broken is tunefs on / in single user mode. The change is seen by
dumpfs but will not survive a reboot. I guess that's ok, though.

Uli