Production coupling facility configuration for resource sharing
A viable solution for a resource sharing (XCF Signaling, Logger Operlog, RACF®, BatchPipes®, Logger Logrec, Shared Tape, GRS, WLM Enclave Support, LPAR Clusters) production level parallel sysplex is a coupling facility configuration that consists of:
- One dedicated CF provides reduced cost of ownership without compromising sysplex availability or integrity.
- A second dedicated CF reduces the possibility of a single point of failure. A second CF improves application subsystem availability by allowing fast recovery from one coupling facility to the other in the event of a coupling facility outage.
These configurations offer the best performance, the best reliability, availability, and serviceability (RAS).
Note: The backup CF in the configuration must provide sufficient
storage, processor, and connectivity resources to assume the workload
of the other production CF in the event of its failure.