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: