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IBM z/OS V2R2: Sysplex by Alvaro Salla, Jaqueline Mourao, Jose Gilberto Biondo Jr, Keith Winnard

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Enhancements in Gaining Coupling Facility Ownership
This chapter describes a z/OS V2R2 enhancement at the Gaining Coupling Facility Ownership processing. This function is run by XES, a z/OS component in charge of the coupling facility (CF) access.
An IBM Parallel Sysplex is a set of z/OS systems that are connected to CFs. A CF cannot be shared by z/OS systems in different Parallel Sysplexes because of the risk of the lack of data integrity.
This chapter includes the following topics:

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