"Repair" hard disk with bad sectors by reading and rewriting same data?

"Percival P. Cassidy" <[email protected]>
Newsgroups alt.comp.hardware
Message-ID <[email protected]>
I have a 6TB drive that shows 8 bad sectors. Would it be possible to 
repair it without harm to the data using

dd if=/dev/daX of=/dev/daX (and perhaps with bs settinng as well) ??

Perce
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