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Cloud Storage Data Access Method, Apparatus and System

  • US 20120136960A1
  • Filed: 12/01/2010
  • Published: 05/31/2012
  • Est. Priority Date: 11/29/2010
  • Status: Abandoned Application
First Claim
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1. A cloud storage data access method comprising a step of data storing and a step of data retrieving wherein:

  • the data storing step comprises;

    converting a file to be stored into a group of data blocks to form a physical part of the file and saving a logical part of the file, which is formed by information of restoring the physical part back to the original file;

    distributing the physical part to multiple cloud storage data centers for storage; and

    saving storing location information of the data blocks of the physical part in the cloud storage data centers, in the logical part;

    the data retrieving step comprises;

    acquiring the file'"'"'s logical part according to a file access request;

    retrieving the physical part of the file from at least one of the cloud storage data centers according to the logical part; and

    restoring the physical part back to the file according to the logical part.

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