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CONTROLLING HIERARCHICAL STORAGE

  • US 20150178016A1
  • Filed: 12/24/2014
  • Published: 06/25/2015
  • Est. Priority Date: 12/24/2013
  • Status: Active Grant
First Claim
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1. A method of distributedly storing an individual content in a hierarchical storage system including a solid state storage having a plurality of solid state disks, a hard disk storage having a plurality of hard disks, and a tape storage, the method comprising:

  • determining a target content to store and an inquiry frequency and a required minimum transmission rate of the target content upon receipt of a request message from a client device;

    classifying the target content as at least one of a low demanded content, a normal demanded content, a high demanded content, a low transmission rate content, a normal transmission rate content, and a high transmission rate content based on the inquiry frequency and the required minimum transmission rate of the target content; and

    distributedly storing the target content through at least one of the solid state storage, the hard disk storage, and the tape storage based on the classification result and a distribution and buffering policy.

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