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System, method, and software for a virtual host bus adapter in a storage-area network

  • US 7,240,098 B1
  • Filed: 05/09/2002
  • Issued: 07/03/2007
  • Est. Priority Date: 05/09/2002
  • Status: Active Grant
First Claim
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1. A method comprising:

  • loading driver software into memory for execution by a local operating system;

    establishing a TCP/IP socket connection between the local operating system and a storage router;

    inducing the local operating system to falsely recognize the driver software as having associated hardware, and thus to assign a controller number and a DMA memory address to the driver software;

    using the established TCP/IP socket connection to request identity of one or more target storage devices accessible via the storage router;

    receiving from the storage router data identifying each of a set of target storage devices accessible through the storage router using a world-wide unique name; and

    assigning local SCSI device names to each of the identified target storage devices from available names reserved for the driver software as a result of its being recognized as a controller by the local operating system.

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