z/OS & JES2 Operations

Objectives
On successful completion of this course, attendees will be able to:

• describe how z/OS & JES2 relate to each other
• use the console to issue commands
• interpret z/OS & JES2 messages
• use console control (K) commands
• describe the uses of the master console
• list the uses of the HMC
• invoke the IPL process
• explain the difference between 'cold' and 'warm' starts in z/OS
• start and stop JES2, and explain the process
• bring down (stop) the z/OS system
• list the different device types
• manage z/OS and JES2 devices
• describe the differences between batch, started tasks and TSO
• start and stop batch started tasks
• display & control job queues in JES2
• display and control active jobs in z/OS
• control Initiators
• control Started Tasks
• display and manage JES2 output queues
• display and manage JES2 controlled printers
• describe the concept of system dumps
• manage Dump data sets
• manage system problem situations.

Who Should Attend
MVS/JES2 Operators, Systems Programmers and other technical support personnel who need an understanding of the operational characteristics of z/OS.
Prerequisites
An understanding of the z/OS environment, as taught in the course z/OS Concepts & Facilities, and knowledge of TSO/ISPF and JCL.
Duration
3 days

Course Code
1041
Contents
z/OS, JES2 & other products - how they relate
Architecture; z/OS & JES2 Job Management; Operator roles.


Operator Communication - the Console
Console types; Master Console; operating modes; route codes; Message Level; z/OS command syntax; JES2 command syntax; Console screen layout; Control (K) command; Syslog & Hardcopy; SEND command.


Starting & Stopping z/OS & JES2
Reading and queue management; active jobs' requirements; started tasks; output queue management and printing.


Input/Output Devices
Devices; units; the offline/online comands for Display and Vary.


The Active System
Reading and queue management; active jobs' requirements; started tasks; output queue management and printing.


z/OS Workload & the Active System
Started Tasks; batch processing; getting work started; job initiations; reports & lists.


Reading Jobs & Queue Management
Displaying queues (DQ & DN); displaying jobs; Hold/Release (H & A); Cancel; Restart; Purge.


Active Job Requirements
Controlling Initiators; displaying active jobs (DA); cancelling jobs (C); mounting; REPLY; display requests; START & STOP commands; MODIFY command.


Output Queue Management & Printing
Display Forms (DF); List job output (L); display output details (DO); control printers; display JES2 devices (DU).


Problem and dump management
'Unusual' events; ABENDs; SVC-Dumps; Standalone dumps.