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Disk array controller, its disk array control unit, and increase method of the unit

  • US 20040034737A1
  • Filed: 08/20/2003
  • Published: 02/19/2004
  • Est. Priority Date: 03/10/2000
  • Status: Active Grant
First Claim
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1. A storage apparatus system comprising:

  • a plurality of controllers; and

    a plurality of disk drives connected to said controllers, wherein each of said controllers includes a first interface connected to a computer, a second interface connected to said disk drives, and a first memory connected to said first and second interfaces, and wherein said first memories of said controllers are interconnected by a first communication line.

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