Can you recover from a backup with bad blocks?

Posted by Macbook-Recovery on Super User See other posts from Super User or by Macbook-Recovery
Published on 2011-06-05T07:44:40Z Indexed on 2011/06/21 0:24 UTC
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osx

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mac

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data-recovery

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bad-blocks

The hard drive in my Macbook recently gave up while using it on the plane (dual prop, lots of vibration unfortunately). I have a backup of its contents from a few weeks ago, but there are files that aren't included in it that I would like to recover.

As it stands right now, I have it plugged to my macbook by USB. Snow leopard recognizes it, but can't mount it. Therefore, tools like Diskwarrior and Techtools do not work. I started doing a clone of it with Data Rescue 3, but after 7 hours of activity (20% through the drive), it has copied 130 GB of the drive but reports all of the data as "bad blocks". My question is this:

Is any data recoverable if the clone is completely composed of bad blocks?

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