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Scheduling proportional storage share for storage systems

  • US 20100030931A1
  • Filed: 08/04/2008
  • Published: 02/04/2010
  • Est. Priority Date: 08/04/2008
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • receiving a plurality of IO (input/output) requests for a storage system;

    tagging each of the plurality of IO requests with a ranking value;

    propagating a first IO request of the plurality of IO requests to at least one storage device of the storage system for processing when the ranking value of the first IO request is at least one of higher or equal to the ranking value of other IO requests of the plurality of IO requests;

    storing a second IO request of the plurality of IO requests in a buffer when the ranking value of the second IO request is lower than the ranking value of at least one other IO request of the plurality of IO requests; and

    scheduling the second IO request for propagation to at least one storage device of the storage system for processing when the ranking value of the second IO request is at least one of higher or equal to the ranking value of other IO requests of the plurality of IO requests.

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