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System including a plurality of data storage devices connected via network and data storage device used therefor

  • US 20080104444A1
  • Filed: 10/02/2007
  • Published: 05/01/2008
  • Est. Priority Date: 10/05/2006
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a first data storage device; and

    a second data storage device connected to the first data storage device via a network, wherein the first data storage device receives a first command for rewriting data of a designated address and a data frame corresponding to the first command, the data frame includes a first data to be used for rewriting data according to the first command, a second command, and a destination of the second command, the first data storage device rewrites the data of the designated address using the first data according to the first command, and transmits the second command and second data to be used for rewriting a parity related with the data of the address to the second data storage device which is the destination of the second command, and the second data storage device rewrites the parity related with the data of the address using the second data according to the second command from the first data storage device.

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