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Controlling the state of duplexing of coupling facility structures

  • US 9,565,013 B2
  • Filed: 01/27/2016
  • Issued: 02/07/2017
  • Est. Priority Date: 09/10/1998
  • Status: Expired due to Fees
First Claim
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1. A computer system for managing duplexing of coupling facility structures, said computer system comprising:

  • a memory; and

    a processor in communication with the memory, wherein the computer system is configured to perform a method, said method comprising;

    initiating activation of duplexing of a coupling facility structure, wherein an instance of the coupling facility structure is located within one coupling facility and wherein the coupling facility structure is a coupling facility cache structure or a coupling facility list structure;

    determining whether another coupling facility in which another instance of the coupling facility structure is to reside is connected to the one coupling facility; and

    activating duplexing, based on the determining indicating that the other coupling facility is connected to the one coupling facility.

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