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System and method for storage on demand service in a global SAN environment

  • US 20020166033A1
  • Filed: 05/07/2001
  • Published: 11/07/2002
  • Est. Priority Date: 05/07/2001
  • Status: Active Grant
First Claim
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1. A storage management service system, comprising:

  • a storage on demand (SoD) center system computer;

    a plurality of storage subsystems, each storage subsystem having an SoD resource manager that manages storage resources of said storage subsystem; and

    a host computer, said host computer comprising a software agent, said software agent providing an interface between said SoD center system computer and an operating system resident on said host computer;

    wherein said host computer, said plurality of storage subsystems, and said SoD center system computer are interconnected by a first communications network; and

    said host computer and at least one of said plurality of storage subsystems are interconnected by a second communications network; and

    wherein said SoD center system computer receives input of a demand for storage resources for said host computer, decides which of said plurality of storage subsystems to use to satisfy said demand, and thereupon sends said demand to a selected one of said plurality of storage subsystems; and

    wherein said SoD resource manager for said selected one of said storage subsystems receives said demand from said SoD center system computer, and thereupon updates a current status of at least one of a plurality of resources to reflect an allocation of said at least one of a plurality of resources to meet said demand, and sends a management result to the SoD center system computer; and

    wherein said SoD center system computer receives said management result from said SoD resource manager.

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