Tag Archives: CHPID

Dynamic Workload Management in IBM System z Mainframe Environment

Summary Workload manager (WLM) employed in IBM System z environment is one of most sophisticated performance monitoring and control tool in IT industry. In this article, first WLM concepts and facilities has been summarized. After going over evolution from machine … Continue reading

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Increasing Number of CHPIDs (Channel Path Identifiers) for LCUs (Logical Control Units)

The channel subsystem (CSS) and the IBM z/OS operating system need to know what hardware resources are available in the computer system and how these resources are connected. This information is called hardware configuration. Hardware Configuration Definition (HCD) provides an … Continue reading

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