Date: Sun, 1 Dec 2002 11:56:52 -0500 (EST) From: Mark Stosberg <mark@summersault.com> To: freebsd-questions@freebsd.org Subject: Re: requesting help restoring disklabel on unbootable system Message-ID: <Pine.BSF.4.50.0212011153200.43501-100000@nollie.summersault.com> In-Reply-To: <Pine.BSF.4.50.0212011115120.43501-100000@nollie.summersault.com> References: <Pine.BSF.4.50.0212011115120.43501-100000@nollie.summersault.com>
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On Sun, 1 Dec 2002, Mark Stosberg wrote: > > After an unfortunate sequence of events, my newly successfully upgraded FreeBSD 4.7 > machine would not boot anymore and gave me a "boot:" prompt. Returning > to the install CD disklabel program, I saw that the only partition it > seemed be to finding was the swap partition. > > I recreated and wrote to disk what I thought was the old disk > partitioning scheme (being careful not to newfs anything). After that, > the system would boot off the drive, but would not mount /usr, /var or > /tmp due to complains of "bad super block: magic number wrong". I > suspect that I guessed my partition sizes wrong. I have a lead on solving this now. I found a tool called "find-sb" which finds superblocks, and seemed like it could be used to make a smarter guess about what my partition sizes should be. The trouble is, now I'm scratching my head about how to this tool installed in a useable state on the system since I can't boot fully in the first place. "find-sb": http://gatekeeper.dec.com/pub/BSD/FreeBSD/FreeBSD-current/src/tools/tools/find-sb/ -mark http://mark.stosberg.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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