Duration
5 hours
Overview
The Identifying and Resolving z/VM Problems course looks at the tools and methods used to gather information that assists with problem resolution, and discusses how performance issues and general problems are resolved. The processes and utilities used for backup and recovery are also described.
Audience
Senior Operators and system administrators responsible for maintaining the integrity of the z/VM system.
Prerequisites
Solid background in z/VM concepts and operation or completion of the following courses:
- z/VM Concepts and System Initialization course
- Monitoring and Controlling z/VM Operations course
- Managing Guest Operating Systems course
Objectives
After completing this course, the student will be able to:
- Identify the tools and methods used to gather information that will assist with problem resolution
- Resolve basic system performance issues
- Identify and resolve general user and DASD problems
- Identify the tools used for z/VM backup and recovery
Course Content
Collecting System Data
Gathering System Information using the Console Log
Handling EREP and Symptom Service Virtual Machine Data
Creating and Running Dumps
Running a CP Trace
Handling Performance Issues
Understanding System Performance
Gathering Performance Data Using CP Commands
Using the CP Monitor Facility
Working with the Performance Toolkit
Resolving User and DASD Problems
Types of User Problems
Commands used to Display User Status
Resolving General User Problems
Handling DASD Reserve/Release Errors
Resolving Problems with Pinned Data
Handling Fenced DASD
Performing Backup and Recovery
Using SPXTAPE to Dump Spool Files and System Data Files
Using DDR to Dump DASD
Using Tape Dump and VMFPLC2 to Backup CMS Files
Image Level and File Level Backup Software
Restoring System and CMS File Data