Date: Sun, 23 Aug 2009 15:09:58 +0200 From: Ulrich =?utf-8?B?U3DDtnJsZWlu?= <uqs@spoerlein.net> To: "Rick C. Petty" <rick-freebsd2008@kiwi-computer.com> Cc: current@freebsd.org Subject: Re: Cannot mount / from UFS labels Message-ID: <20090823130958.GM91417@acme.spoerlein.net> In-Reply-To: <20090821202358.GA10290@keira.kiwi-computer.com> References: <20090821131723.GA91417@acme.spoerlein.net> <20090821144130.GA7873@keira.kiwi-computer.com> <20090821160700.GD91417@acme.spoerlein.net> <20090821180202.GE91417@acme.spoerlein.net> <20090821202358.GA10290@keira.kiwi-computer.com>
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On Fri, 21.08.2009 at 15:23:58 -0500, Rick C. Petty wrote:
> On Fri, Aug 21, 2009 at 08:02:02PM +0200, Ulrich Spörlein wrote:
> > 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.
>
> You didn't explain whether you had / mounted read-only or read-write.
> Also, it probably matters how you got into single-user mode ("shutdown now"
> vs. option 4 from boot2). Also, the fact that it's mounted might be the
> issue. I'm not sure I would claim this as "broken", although I can't see
> any reason a read-only mount is prevented from tuning (at least changing
> the volume name).
Hello, it went like this:
boot -s
tunefs -L root /
dumpfs / | grep volname (volname is set!)
mount -uw /
dumpfs / | grep volname (volname is not set!)
Regards,
Uli
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