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Mechanism to provide direct multi-node file system access to files on a single-node storage stack

  • US 7,191,225 B1
  • Filed: 11/27/2002
  • Issued: 03/13/2007
  • Est. Priority Date: 11/27/2002
  • Status: Active Grant
First Claim
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1. A method comprising:

  • sending a data access request from a first computer system to a second computer system, wherein the second computer system is operable to control access to one or more storage devices, wherein the second computer system comprises a storage stack comprising components for managing the one or more storage devices, and wherein the data access request comprises a request to access data which is stored on the one or more storage devices;

    using a mapping interface on the second computer system to determine a quantity of components in the storage stack;

    using the mapping interface on the second computer system to communicate with the components in the storage stack to retrieve a physical location of the data on the one or more storage devices;

    sending the physical location from the second computer system to the first computer system; and

    the first computer system bypassing the second computer system to access the data on the one or more storage devices at the physical location.

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