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System and method for detecting write errors in a storage device

  • US 20050005191A1
  • Filed: 05/05/2004
  • Published: 01/06/2005
  • Est. Priority Date: 06/11/2003
  • Status: Active Grant
First Claim
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1. A system for detecting write errors in a storage device, said system comprising:

  • a storage device;

    within said storage device, means for storing one or more data blocks in a storage group, said storage group including said one or more data blocks and a check block, wherein said check block includes one of the group of;

    a combination of said one or more data blocks of said storage group, a combination of one or more bits of a logical block address associated with said storage group, and a combination of one or more bits of a phase field that is updated each time said group is written;

    means for updating said check block each time said group is written; and

    means for detecting write errors by checking said check block when a group is read.

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