Storage router and method for providing virtual local storage

  • US 20020083222A1
  • Filed: 02/22/2002
  • Published: 06/27/2002
  • Est. Priority Date: 12/31/1997
  • Status: Active Grant
First Claim
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1. A storage router for providing virtual local storage on remote SCSI storage devices to Fibre Channel devices, comprising:

  • a buffer providing memory work space for the storage router;

    a Fibre Channel controller operable to connect to and interface with a Fibre Channel transport medium;

    a SCSI controller operable to connect to and interface with a SCSI bus transport medium; and

    a supervisor unit coupled to the Fibre Channel controller, the SCSI controller and the buffer, the supervisor unit operable;

    to maintain a configuration for SCSI storage devices connected to the SCSI bus transport medium that maps between Fibre Channel devices and SCSI storage devices and that implements access controls for storage space on the SCSI storage devices; and

    to process data in the buffer to interface between the Fibre Channel controller and the SCSI controller to allow access from Fibre Channel initiator devices to SCSI storage devices using native low level, block protocol in accordance with the configuration.

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