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STORAGE SYSTEM USING A RAPID STORAGE DEVICE AS A CACHE

  • US 20110302365A1
  • Filed: 10/30/2009
  • Published: 12/08/2011
  • Est. Priority Date: 02/13/2009
  • Status: Abandoned Application
First Claim
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1. A storage system using a high speed storage device as a cache, the system comprising:

  • a first storage device to store a plurality of content files including a plurality of blocks, and to manage the plurality of blocks in super block units, the super block having a predetermined size;

    a second storage device to cache at least one super block among the plurality of super blocks, and to manage the at least one super block in block units; and

    a Random Access Memory (RAM) to store at least one block among the plurality of blocks,wherein a capacity of the first storage device is greater than a capacity of the second storage device, or an access rate of the second storage device is higher than an access rate of the first storage device.

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