IBM System z Diagnostic & Architecture
Code: ZDIAGDescription
This course is ideal for new Systems Programmers and those who need an understanding of the z/OS System structure and diagnostics, including a look at basic dump reading.
Audience
This course is designed for Systems Programmers and those who need an understanding of the z/OS System structure and diagnostics, including a look at basic dump reading.
Prerequisites
A basic understanding of z/OS architecture, TSO/ISPF, JCL and SDSF
Objectives
This course is ideal for new Systems Programmers and those who need an understanding of the z/OS System structure and diagnostics, including a look at basic dump reading. It does not seek to train the attendees on in-depth dump diagnostics, but will give them enough knowledge to appreciate when to escalate issues and be able to liaise with IBM support staff in a knowledgeable and efficient manner. Hands on labs are included using IPCS to examine several simple dumps in a z/OS environment.
Topics
- SMP/E - what is it and what are FMIDs/PTFs & Apars?
- I/O subsystem and Access methods
- Parmlib - understanding a live system
- Understanding the Parmlib concatenation
- Using Commands and REXX to analyse a live system
- Virtual Storage overview - Paging & Swapping their effect on a ZOS TASK
- z/OS use of Control Blocks - data areas manuals
- PSA,ASCB,TCB etc
- How are CBs accessed in REXX, COBOL & ASSEMBLER
- CB chasing Practicals using REXX & ASSEMBLER supplied programs
- Wait Post & ECBs
- Interrupts - what are they?
- System recovery after problems (Logrec, ESTAE & Abend)
- Different Dump Types
- Difference between Assembler and Machine Code
- IPCS Examine some simple dumps on Live system
- 0C7 CEEDUMP in sysout vs 0C7 SYSMDUMP in IPCS
- Look at several different dumps in IPCS
- Look at an IP trace in IPCS
Price (ex. VAT)
Duration
Schedule
- virtual
- 28-10-2024 - 01-11-2024
- register
Delivery methods
- Classroom
- On-site (at your location)
- Virtual (instructor online)