Storage router and method for providing virtual local storage

CAFC
  • US 7,051,147 B2
  • Filed: 09/09/2003
  • Issued: 05/23/2006
  • Est. Priority Date: 12/31/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A storage router for providing virtual local storage on remote storage devices to a device, comprising:

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

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

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

    a supervisor unit coupled to the first and second Fibre Channel controllers and the buffer, the supervisor unit operable;

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

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

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