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Method and System for Providing On-Demand Services Through a Virtual File System at a Computing Device

  • US 20110066668A1
  • Filed: 11/24/2010
  • Published: 03/17/2011
  • Est. Priority Date: 08/28/2009
  • Status: Active Grant
First Claim
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1. A computer-implemented method, comprising:

  • at a computing device;

    receiving, from an application, a request for a file associated with an instance of a virtual file system, wherein the virtual file system includes metadata of the requested file;

    checking the metadata to identify a first set of data blocks of the requested file that is not present at the computing device;

    retrieving the first set of data blocks from at least one of a plurality of storage devices associated with the virtual file system;

    generating a copy of the requested file using the retrieved first set of data blocks; and

    returning the generated copy of the requested file to the requesting application.

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