z/OS Systems Programming Introduction

Course:  SPI
Duration:  4 Days
Level:  I
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Topics Covered In This Course

Introduction to the Role of Systems Programming

Identifying the tasks of a system programmer with special emphasis on tailoring of the system

The IPL Process and Associated Parameters

Parmlib members covered:

• LOADxx

• NUCLSTxx

• IEASYSxx

• COMMNDxx

• IEACMD00

• CONSOLxx

IMSI with suggestions for use

Logical parmlib

CSA and SQA

• Use and size

Paging

• How many page data sets

• Placing and sizing page data sets

Console set up

Commands include:

• D IPLINFO

• D U,IPLVOL

• D SYMBOLS

• D PARMLIB

• D ASM

Programs and Virtual Storage layout

Parmlib members covered for general programs:

• MSTJCLxx

• PROGxx (LNKLSTxx IEAAPFxx)

• IEAFIXxx

• IEALPAxx

• LPALSTxx

• IEASVCxx

• IFAPRDxx

Commands for dynamic changes

• SETPROG

• SET PROG

Parmlib members covered for special programs and subsystems:

• IEFSSNxx

• SCHEDxx

JES2

Locating the JESPARM data

Reviewing the JESPARM data, especially:

• SPOOL and Checkpoint data set size, number and location

• BUFSIZE, TGSIZE and TRKCELL

JES2 display commands, including variations of:

• $D SPL

JES2 commands for reconfiguring the checkpoint data set

use of CF for checkpoint

Sysplex Considerations

SYSPLEX, overview

• Policy

Parmlib members covered for SYSPLEX:

• COUPLExx

System symbols and filtering within LOADxx

• IEASYMxx

• D SYMBOLS

Parmlib members covered for GRS:

• IEASYSxx GRS

• GRSCNFxx

• GRSRNLxx

Data in Memory

Use of Coupling Facility

Use of Virtual Storage

Parmlib members covered for LLA and VLF:

• CSVLLAxx

• COFVLFxx

SMF and GTF

Overview of SMF

• Description of important SMF record types

• The SMF Header

Parmlib members covered for SMF:

• SMFPRMxx

Parmlib members covered for GTF:

• GTFPARM

General System Recovery, Diagnostic Facilities and SMP/E

Recovery flow

• system recovery

• task recovery

User dumps, system dumps, DAE

• ADYSETxx

• User dump tailoring

• System Dump Data Sets

SMP/E overview

Devices and Related Parameters

Parmlib members covered:

• VATLSTxx

• CONFIGxx

• IECIOSxx

• ALLOCxx

• DEVSUPxx

• IGDSMSxx

Device information and HCD

• PAV

• The role of the Workload Manager in PAV

Configuration and device display commands

• D M

• D CONFIG=xx

Channels: ESCON, FICON CF links and OSA

Comparison of channel types

Terminology – ESCON/FICON

Cabling rules –cascading configurations

ESCON Directors

HCD and ESCON/FICON

ESCON manager

OSA connections

What You Can Expect

On completion of the course delegates will be able to understand the role of systems programmers, and be familiar with the technical set-up of z/OS systems. They will be able to understand the basic tailoring to the system at IPL time and be able to establish from PARMLIB, HCD or via operator commands, the configuration of the system.

Who Should Take This Course

This course is for new systems programmers, storage administrators, hardware planners and senior operations staff responsible for planning and controlling the configuration of z/OS systems.

Recommended Prerequisites

Persons attending this course should be familiar with z/OS and TSO. This knowledge can be obtained from our z/OS Concepts and TSO/ISPF Workshop courses.

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Related Courses
Code Course Title Duration Level
TSO
Introduction to TSO/ISPF Workshop
2 Days
I
Details
ZOSI
z/OS Concepts
2 Days
I
Details

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