[no subject]

Basically it sounds like your disk crapped out.

Trying to salvage the old disk itself is likely a waste of time and
will lead to future problems.

I know you were trying to make a backup, but do have a recent one you
could use?

If you do have to disk recovery of the data, I would reperform your dd as:

dd if=/dev/orig of=/dev/target conv=noerror,sync

Then run fsck etc. on the new disk.  Or better yet on a cc copy of the
new disk.  ie. Save away the dd image for repeated recovery attempts.

In the above, noerror says to continue copying even in the presence of
errors.  sync says to fill the failed read blocks with zeros. 
(Default behavior is to skip the block.  Very bad if you need to
reconstruct the filesytem because the offsets will be wrong.)

You can also try dd_repair (I think).  I have not used it, but it is
designed to get data off of a failing disk.

Greg
-- 
Greg Freemyer
The Norcross Group
Forensics for the 21st Century


</pre>
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