Fwd: Re: Please help. Can't see HD

Francisco Reyes francisco at natserv.com
Sun Dec 28 22:35:14 PST 2003

On Mon, 29 Dec 2003 14:57:13 +1030, Malcolm Kay wrote:

>How big was the image you copied to the disk? -- that should tell
>you how much of your drive is overwritten.

The image was about 4MB.

>It is probable your disklabel has also disappeared, so you 
>probably need to reconstruct both the slice table in the MBR and 
>the disklabel in the first slice. With some vague recollections of 
>what you did originally to install FBSD it is possible that some 
>lucky guesses might work.

How would I go about that?

>If you can find the first sector of a slice carrying an installed file
>system then this might hold a copy of the slice table allowing
>reconstruction of the original MBR with some confidence. 


Other than not playing around with dd how can one safeguard from
something like this in the future?
Is there a way to backup the disklable and slice info?

After all this is cleared I am also going to check what is the
best way to keep a working copy of my entire system. On windows
I have a program, driveimage, which I use to every night keep an
image of the entire disk while the system is on. Has saved me
many times..

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