Controlling the state of duplexing of coupling facility structures
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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Abstract
A coupling facility is coupled to one or more other coupling facilities via one or more peer links. The coupling of the facilities enables various functions to be supported, including the duplexing of structures of the coupling facilities. Duplexing is performed on a structure basis, and thus, a coupling facility may include duplexed structures, as well as non-duplexed or simplexed structures.
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Citations
8 Claims
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1. A method of managing duplexing of coupling facility structures, said method comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification