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From: "Darryl Hoar" <darryl@osborne-ind.com>
To: "'Lowell Gilbert'" <freebsd-questions-local@be-well.ilk.org>
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Date: Thu, 31 Jan 2008 16:40:57 -0600
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"Darryl Hoar" <darryl@osborne-ind.com> writes:

> Greetings,
> am setting up gmirror and screwed up my fstab.  When rebooting,
> it complains until I tell it the root device:
> ufs:/dev/mirror/gm0s1a
>
> it boots up and dumps me into single user.  When I try to change
> /etc/fstab, it tells me that the parition is mounted read only.
>
> How can I get things so I can change the /etc/fstab file ?

>>http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/admin.html#RCCONF-REA
DONLY

> I looked on freebsd.org for a live cd, but didn't find one.

>>The install CD is bootable, and has a "fixit" mode.
>>But you would still need to mount your root partition writable...

Well, the answer was right there.  Easy.  After it asks for shell and you
get
to the command prompt, just enter mount / and it will make / read/write.
Then
edit /etc/fstab.  problem solved.

thanks for all the responses.