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DYNAMTIC STORAGE HIERARACHY MANAGEMENT

  • US 20090150593A1
  • Filed: 12/11/2007
  • Published: 06/11/2009
  • Est. Priority Date: 12/11/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method that improves storage allocation in a system with a plurality of storage mediums, including a first medium with a first performance characteristic and a subsequent medium with a subsequent performance characteristic, comprising:

  • analyzing a reference rate for a data block;

    storing the data block in the first medium if the reference rate is a match with the first performance characteristic; and

    storing the data block in the subsequent medium if the reference rate is a match with the subsequent performance characteristic.

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