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Quality of service policy sets

  • US 9,712,401 B2
  • Filed: 05/01/2015
  • Issued: 07/18/2017
  • Est. Priority Date: 12/27/2011
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving client quality of service values associated with a first client;

    determining client metrics of a volume in a storage system based upon use of the volume by the first client, wherein the storage system stores data from a plurality of clients, and wherein the client metrics reflect usage of the storage system by the first client;

    determining, using a processor, a client load value based upon the client metrics;

    determining a quality of service management policy for the first client from a plurality of quality of service management policies based upon the client load value, wherein each quality of service management policy comprises a formula, and wherein at least one formula includes a variable;

    calculating a client target performance value based upon the formula of the quality of service management policy that includes the variable, a value of the variable, and the received client quality of service values;

    adjusting performance of the storage system for the first client by throttling physical access of the first client to the storage system based upon the client target performance value; and

    adjusting performance of the storage system for a second client of the storage system by throttling physical access of the second client to the storage system based upon a second formula and different client target performance value associated with the second client.

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