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Storage apparatus having plural controller including interconnected memories

  • US 6,985,989 B2
  • Filed: 08/20/2003
  • Issued: 01/10/2006
  • Est. Priority Date: 03/10/2000
  • Status: Expired due to Fees
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 comprises;

    a first interface connected to a computer,a second interface connected to said disk drives, anda first memory connected to said first and second interfaces, andwherein said first memory of said controller is interconnected to other first memories of the other controllers by a first communication line, andwherein said first memory temporarily stores data which is written to or read from said disk drives via said first and second interfaces in response to an access request from said computer.

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