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Storage unit and circuit for shaping communication signal

  • US 7,480,765 B2
  • Filed: 05/12/2006
  • Issued: 01/20/2009
  • Est. Priority Date: 05/22/2003
  • Status: Expired due to Term
First Claim
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1. A disk array system connectable to a host computer via an external network which is external of said disk array system, said disk array comprising:

  • a controller receiving data from said host computer via said external network and controlling read/write of data;

    a plurality of communication paths coupled to the controller and being used to relay data within said disk array system by control of the controller via a Fibre Channel (FC) interface,wherein said communication paths are different from said external network;

    two or more first disk drives coupled to a first communication path of the communication paths and receiving/transferring data via the FC interface on said first communication path and being controlled to read/write said data received via the FC interface under control by said contoller,wherein said first communication path conducts receiving/transferring of data at a first communication speed; and

    two or more second disk drives coupled to a second communication path of the communication paths and receiving/transferring data via the FC interface on said second communication path and being controlled to read/write said data received via the FC interface under control by said controller,wherein said second communication path conducts receiving/transferring of data at a second communication speed,wherein the first communication speed is different from the second communication speed.

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