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Controlling the state of duplexing of coupling facility structures

  • US 9,253,046 B2
  • Filed: 12/21/2012
  • Issued: 02/02/2016
  • Est. Priority Date: 09/10/1998
  • Status: Expired due to Term
First Claim
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1. A method of managing duplexing of coupling facility structures, 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 of the coupling facility structure, based on the determining indicating that the another coupling facility is connected to the one coupling facility.

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