System i Work Management, Tailoring and Basic Tuning - OL23G

System i Work Management, Tailoring and Basic Tuning - OL23G


This course will benefit anyone involved in the tuning and basic setup of OS/400 systems.

The course is taught using version R520.


Before attending this course delegates should be able to:

  • Start and stop the operating system.
  • Start and stop subsystems.
  • Manage job, message and output queues.
  • Describe security concepts and create user profiles.


2 days. Hands on.

Course Objectives

This course teaches delegates how to balance the workload of the iSeries system to ensure optimum performance. This invloves managing workloads, measuring system performance and tuning the operating system to meet processing requirements.

Course objectives include:

  • Manage jobs by modifying subsystem descriptions, controlling batch jobs and tailoring job descriptions.
  • Create unique environments to run jobs.
  • Tune the performance of the system using pools/activity levels, execution parameters and system values.

Course Content

Creating subsystems, including:
• Guidelines for pools, work entries and priorities.
• Basic system tuning WRKSYSSTS.
Paging DB/NDB faults, activity levels and dynamic tuner (QPFRADJ).
Transferring to another subsystem, rerouting between pools.
Key system values affecting performance.
Managing storage, batch commands, synchronous and asynchronous I/O processing.
Internal job structure.
• Active/wait/ineligible states.
• Timeslice.
Performance Advisor for basic tuning.

Virtual Courses

ALL of our courses can be delivered virtually! Our Bath public schedule courses are available as live virtual sessions, using the popular Zoom Virtual Classroom and remote labs. Delegates can test their access at:

On-Site Courses

Can't attend one of our public classes? Booking for multiple people?

All our courses are available on your site! Delivered for your staff, at your premises.

Contact us to find out more...