Embodiments of the present invention recite a method of preserving data on a hard disk drive. In one embodiment, a copy of data is read from at least one sector of a hard disk drive and stored in a memory location of the hard disk drive. At least a portion of the data in the memory location of the hard disk drive is then replaced to create a modified copy of data. A copy of the modified copy of data is then stored in a non-volatile memory location of the hard disk drive. Finally, the data from the at least one sector is replaced with the modified copy of data.

 
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