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Method to increase performance of non-contiguously written sectors

  • US 20080091875A1
  • Filed: 10/12/2006
  • Published: 04/17/2008
  • Est. Priority Date: 10/12/2006
  • Status: Active Grant
First Claim
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1. A method of managing data in a cache memory storage subsystem upon a cache write operation, comprising:

  • determining a first number of non-contiguously written sectors on a track in the cache; and

    comparing the first number with a second, predetermined threshold number, wherein if the first number exceeds the second number, a fill background stage operation is issued to fill the non-contiguously written sectors with unmodified data from a storage medium.

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