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Connecting device of storage device and computer system including the same connecting device

  • US 20060095640A1
  • Filed: 11/18/2005
  • Published: 05/04/2006
  • Est. Priority Date: 12/09/2002
  • Status: Active Grant
First Claim
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1. A switch device comprising:

  • a first interface to be coupled to a host computer via network;

    a plurality of virtual volumes to be provided for the host computer, wherein a first virtual volume corresponds to at least one of said virtual volumes;

    a second interface to be coupled to a plurality of storage systems including data volumes for storing data from the host computer via the virtual volume;

    a processor coupled to the first interface and the second interface;

    a memory coupled to the processor, wherein the processor receives, through the first interface a first instruction including a virtual volume identifier from the host computer, identifies at least one of data volumes corresponding to the virtual volume specified by the virtual volume identifier, and sends, through the second interface, at least one of a second instruction to at least one of the data volumes according to the first storage system and to the second storage system, and wherein the second instruction is based on a protocol to be executed by the storage system to which the at least one of the data volumes corresponding to the virtual volume belongs.

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