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/

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