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Storage router and method for providing virtual local storage

  • US 7,552,266 B2
  • Filed: 09/07/2007
  • Issued: 06/23/2009
  • Est. Priority Date: 12/31/1997
  • Status: Expired due to Fees
First Claim
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1. A storage router for providing virtual local storage on storage devices to host devices, comprising:

  • a first controller operable to interface with a first transport medium;

    a second controller operable to interface with a second transport medium, wherein at least one of the first transport medium and the second transport medium is a serial transport medium; and

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

    provide virtual local storage on the storage devices to the host devices;

    maintain a configuration that maps between the host devices and the storage devices, the configuration comprising a representation of the host devices and a representation of the storage devices; and

    access the configuration to determine whether a host making a request is mapped to a requested storage device to control access while using native low level block protocol at the host, across the transport mediums and at the storage device.

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