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Data protection method wherein data protection code is stored together with parity

  • US 7,073,024 B1
  • Filed: 09/30/2003
  • Issued: 07/04/2006
  • Est. Priority Date: 09/30/2003
  • Status: Active Grant
First Claim
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1. A method for storing data and checking the validity of stored data when such stored data is read, comprising:

  • transmitting the data from a source thereof, such data having a Cyclic Redundancy Code (CRC) for storage in a first storage device and transmitting the CRC and together with parity for storage in a second, different storage device;

    retrieving the data stored in the first storage device;

    determining a CRC associated with the retrieved data; and

    comparing the determined CRC with the CRC stored in the second storage device.

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