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High-density storage systems using hierarchical interconnect

  • US 20050055501A1
  • Filed: 09/08/2004
  • Published: 03/10/2005
  • Est. Priority Date: 09/08/2003
  • Status: Active Grant
First Claim
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1. An apparatus for coupling a host to a drive in a data storage system, the data storage system comprising a plurality of drives, the apparatus comprising:

  • a first tier controller, the first tier controller receiving a request from the host to couple to the drive; and

    at least one second tier controller, the second tier controller coupling the drive to the host through the first tier controller.

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