z/OS - Resolving z/OS System Problems
Duration
5 hours
Overview
This course describes the processes and commands required to resolve common z/OS system problems. It also describes when cancel and force commands should be used and how to handle command flooding.
Audience
z/OS training for senior operators and technical support personnel who require knowledge to identify and solve z/OS system problems.
Prerequisites
Successful completion of the z/OS - Identifying z/OS System Problems course.
Objectives
After completing this course, the student will be able to:
- Terminate failed tasks, users, batch jobs, and catalog requests
- Restart the system using a PSW restart
- Enter commands used to resolve system issues
Course Content
Terminating Tasks
CANCEL Command
Ending CAS Requests
Using the FORCE Command
FORCE Command Procedure and Syntax
FORCE Command
Restarting the System
Recognizing When to Use a PSW Restart
Invoking a PSW Restart
Additional Problem Handling Techniques
Logs and Messages
Changing the Maximum Number of Concurrent TSO Users
Varying I/O Devices Online and Offline
Auto-Reply Function
Handling Command Flooding
Command Classes
Formats and Purposes of the CMDS Command
CMDS Command