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Disk array system and method of controlling disk array system

  • US 20050117468A1
  • Filed: 12/30/2004
  • Published: 06/02/2005
  • Est. Priority Date: 11/28/2003
  • Status: Active Grant
First Claim
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1. A storage system, comprising:

  • a controller controlling to write data to a plurality of storage regions and to read data from said storage regions; and

    a plurality of disk drives coupled to said controller having said storage regions, wherein said controller compares contents corresponding to data written to a storage region of said storage regions in said storage regions and data read from said storage region, said contents being stored in said controller until said comparison at the earliest, after receiving a write request in said controller.

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