MVS workload manager

This section discusses aspects of the MVS™ workload manager under the following headings:

MVS/ESA 5.1 and later includes the MVS workload manager, which provides automatic, dynamic, balancing of system resources (central processors and storage) across a sysplex by:

This is particularly significant in a sysplex environment, but is also of value to subsystems running in a single MVS image.

To help you migrate to goal-oriented workload management, you can run any MVS image in a sysplex in compatibility mode, using the performance management tuning methods of releases of MVS before MVS/ESA 5.1.

Notes:
  1. If you do not want to use the MVS workload management facility, you should review your MVS performance definitions to ensure that they are still appropriate for CICS® Transaction Server for z/OS®, Version 3 Release 1. To do this, review parameters in the IEAICS and IEAIPS members of the MVS PARMLIB library. For more information about these MVS performance definitions, see the z/OS MVS Initialization and Tuning Guide.
  2. If you use CICSPlex® SM to control dynamic routing in a CICSplex or BTS-plex, you can base its actions on the CICS response time goals of the CICS transactions as defined to the MVS workload manager. See CICSPlex SM workload management. For full details, see the CICSPlex System Manager Managing Workloads manual.

The benefits of using MVS workload manager are:

The main benefit is that you no longer have to continually monitor and tune CICS to achieve optimum performance. You can set your workload objectives in the service definition and let the workload component of MVS manage the resources and the workload to achieve your objectives.

The MVS workload manager produces performance reports that you can use to establish reasonable performance goals and for capacity planning.

The CICS function for MVS workload management incurs negligible impact on CICS storage.

Related tasks
Defining performance goals for MVS Workload Manager
Setting up service definitions for MVS Workload Manager
Using MVS workload manager

Related concepts
MVS workload manager
Terms used in MVS workload management
Span of MVS workload manager operation
CICSPlex SM workload management
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