This class focuses on using the tools available to narrow the scope of system problems, identify failed components, and debug operating systems problems. Emphasis will be on problem diagnosis and "hands-on" exercises using the available tools.
- Course Outline
This class focuses on using the tools available to narrow the scope of system problems, identify
failed components, and debug operating systems problems. Emphasis will be on problem diagnosis and “hands-on” exercises using the available tools. Differences that will be encountered on z/OS will be discussed as appropriate throughout the course.
· Problem types and their diagnosis
· System “hangs” or wait states
· System or component loops
· Incorrect output or corrupt operation problems
· Performance/availability problems
· Component identification and isolation
· Diagnostic tools and their usage
· Tracing mechanisms
· Service Aids
· System failure versus recoverable scenarios
Audience This class is intended for experienced systems programmers.
I. Problem diagnosis overview
A. Types of problems
B. Component failure isolation approaches
D. Specifying symptoms
A. Verbs and functions
B. CLISTS and customization options
III. Abends and dump processing
A. Dump types
1. SVC Dumps
2. Stand-alone dumps and their use
3. Abend dumps
4. SNAP dumps
5. Transaction dumps
B. System and component reference data
IV. SLIP Traps
V. Tracing tools and procedures
A. System trace (ST)
B. Master trace
C. Generalized tracing facility (GTF)
D. Component trace (CT)
E. Transaction trace
F. GETMAIN, FREEMAIN,STORAGE trace
VI. Service Aids
VII. Additional diagnostic data
A. LOGREC data
VIII. Assessing system recovery options
A. Spin loops
B. Performance/availability problems
- Prerequisites & Certificates
Students should have a good understanding of TSO/E, JCL and OS/390 functions.
Certificate of completion
- Cancellation Policy
10 Day cancellation required for all courses in order to get a full refund.
- Map & Reviews
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