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Controlling the state of duplexing of coupling facility structures

  • US 8,341,188 B2
  • Filed: 04/13/2011
  • Issued: 12/25/2012
  • Est. Priority Date: 10/01/2001
  • Status: Expired due to Term
First Claim
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1. A computer program product for managing duplexing of coupling facility structures, said computer program product comprising:

  • a non-transitory computer readable storage medium readable by a processor and storing instructions for execution by the processor for performing a 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 another coupling facility is connected to the one coupling facility.

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