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Date:      Fri, 3 May 2002 18:55:25 +0000 (GMT)
From:      Zach Johnson <n74@74international.com>
To:        Ian Dowse <iedowse@maths.tcd.ie>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: can't write-mount / to change fstab 
Message-ID:  <Pine.LNX.4.21.0205031847590.28474-100000@winston.dreamhost.com>
In-Reply-To: <200205030901.aa20608@salmon.maths.tcd.ie>

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You sir, are most helpful indeed.

Did I mention I love you?
Zach


On Fri, 3 May 2002, Ian Dowse wrote:

> In message <Pine.LNX.4.21.0205030614390.29007-100000@winston.dreamhost.com>, Za
> ch Johnson writes:
> >In single user I can SEE fstab in /etc but I can't change it since I'm
> >mounted in read-only.  And I can't do a mount -u / since it tells me the
> >current device doesn't match fstab.  And I an't do a mount -u
> >/dev/foo / since it tells me that /dev/foo doesn't
> >exist!!  But I can't CREATE /dev/foo since / is mounted
> >read-only!!!
> >
> >How the heck am I going to change fstab and create the dev's I need so I
> >can mount the rest of my file system?
> 
> The normal way to fix this is to use a shell from a fixit floppy
> or the installation CD, but there is a trick you can use:
> 
> 	mount_mfs -T fd1440 none /mnt
> 	cd /mnt
> 	sh /dev/MAKEDEV foo
> 	mount -u -o rw /mnt/foo /
> 	cd /dev
> 	sh /dev/MAKEDEV foo
> 
> This makes the new device node on an MFS filesystem, which is enough
> to remount / read-write to create the missing device nodes.
> 
> Ian
> 


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