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COMPUTER SYSTEM AND STORAGE CAPACITY EXTENSION METHOD

  • US 20120102080A1
  • Filed: 05/20/2010
  • Published: 04/26/2012
  • Est. Priority Date: 05/20/2010
  • Status: Abandoned Application
First Claim
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1. A computer system with a local storage system and an external storage service connected via a wide area network,wherein the local storage system includes:

  • a user terminal;

    an NAS for providing a storage area to the user terminal; and

    an information processing unit for providing the user terminal with the storage area in the NAS by integrating the NAS and the external storage service and thereby configuring a single virtual NAS; and

    wherein the information processing unit includes;

    a first module for analyzing a file access request from the user terminal and obtaining a path to an access target file;

    a second module for judging whether access to the access target file should be permitted or not;

    a third module for configuring a single virtual directory and managing the path to the file based on the directory; and

    a fourth module for migrating the file to the external storage service based on attribute information about the file.

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