z/OS - Resolving z/OS System Problems
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.
z/OS training for senior operators and technical support personnel who require knowledge to identify and solve z/OS system problems.
Successful completion of the z/OS - Identifying z/OS System Problems 2.3 course.
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
Ending CAS Requests
Using the FORCE Command
FORCE Command Procedure and Syntax
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
Handling Command Flooding
Formats and Purposes of the CMDS Command