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Control of Sparing in Storage Systems

  • US 20090077418A1
  • Filed: 09/18/2007
  • Published: 03/19/2009
  • Est. Priority Date: 09/18/2007
  • Status: Active Grant
First Claim
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1. ) A method, comprising:

  • measuring a first parameter that includes a response time to perform an input/output (I/O) request;

    measuring a second parameter that includes an amount of data spared;

    using the first and second parameters to determine at which point in time a copy of data is to be reconstructed after a disk fails in a disk array of a storage system.

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