Expert Advice

MVS_CFSystemPaths_Busy_Crit  
Situation Description
Suggested Actions
Situation Description

Coupling Facility System Paths Critical

 

Suggested Actions

Coupling facility path contention exceeds 95%. Severe performance degradation will continue until action is taken to reduce the traffic or increase the data bandwidth to the coupling facility. Traffic may be reduced by adding coupling facilities; bandwidth may be increased by using more links or faster links. See the IBM Redbook OS/390 Parallel Sysplex Configuration Volume 2: Cookbook, Publication number SG24-5638 for details and further recommendations.

 

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