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Resource allocation for a storage area network

  • US 9,385,967 B1
  • Filed: 12/04/2015
  • Issued: 07/05/2016
  • Est. Priority Date: 12/04/2015
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • measuring in a first length measurement, a length of a first communication link of a storage area network of a plurality of devices wherein the first length measurement is a function of a first minimum command response time of a command issued over the first communication link;

    obtaining a current data units per second link speed of the first communication link;

    calculating a first target resource allocation for a first port at a first end of the first communication, and for a second port at a second end of the first communication link as a function of the data units per second link speed of the first communication link and the first length measurement for the first communication link; and

    configuring a resource allocation for the first and second ports for the first communication link in accordance with the calculated first target resource allocation;

    wherein the second port has an address, and wherein the measuring a length of the first communication link comprises;

    issuing over the first communication link a first command directed to the second port;

    receiving over the first communication link a first response to the first command;

    measuring a first time delay between the issuance of the first command and the receipt of the first response;

    issuing a second command over the first communication link and directed to the second port;

    receiving a second response over the first communication link to the second command;

    measuring a second time delay between the issuance of the second command and the receipt of the second response; and

    storing a value as said first minimum command response time which is the lesser of the first and second time delays.

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