It's been years since I cracked it open but IIRC "Perl for System Administration" ISBN 9781565926097 opens with an example of scanning of a dropped laptop's hard drive block by block to rescue everything that wasn't damaged. I'm sure there would be some good info in there related to whatever you're doing.

In reply to Re: disk image forensics by Your Mother
in thread disk image forensics by cutlass2006

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