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MEMORY SYSTEM, DATA STORAGE DEVICE, USER DEVICE AND DATA MANAGEMENT METHOD THEREOF

  • US 20120110249A1
  • Filed: 10/28/2011
  • Published: 05/03/2012
  • Est. Priority Date: 10/29/2010
  • Status: Active Grant
First Claim
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1. A data management method of a data storage device which has a data management unit different from a data management unit of a user device, the data management method comprising:

  • receiving from the user device information regarding a storage area of a file to be deleted;

    selecting from among the storage area of the file to be deleted a storage area which matches with the data management unit of the data storage device; and

    performing an erasing operation on the selected storage area which matches with the data management unit.

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