z/OS Facilities, Operations & JES3

 LENGTH OF COURSE:
 5 Days

DESCRIPTION: This course introduces the student to the facilities and components that make up an OS/390 system. The course covers how these facilities and components interact with one another and with subsystems such as the Job Entry Subsystem 3.

PREREQUISITES: Some knowledge of OS/390 and Computer Operations.

INSTRUCTION TECHNIQUES: A combination of Lecture, Labs, and Hands-On Exercises (when/where available).

AUDIENCE

This course is intended for computer operations, Supervisors and Management.
KEY HIGHLIGHTS:
  • Describe the characteristics of an OS/390 System including major hardware and software components
  • Explain how virtual, central, and auxiliary storage are managed by OS/390
  • Identify the sequence of events that occur during the initialization of the OS/390 System
  • Trace the flow of a JOB through the OS/390 System
  • Identify the system services required to support a task such as dispatching, processing interrupts, and
  • serializing resources
  • Describe the role of software and hardware components involved in the transfer of data between the
  • central storage and an I/O device
  • Describe the storage management functions such as catalog processing, DASD Volume Organization,
  • and allocation processing
  • Identify the tools that are available to aid in problem identification and analysis
  • Describe how TSO, CICS/TS, and IMS work with OS/390


  • Introduction to the JES 3 complex
    • Input Services
    • JCL Conversion
    • Main Device Scheduling
    • Job Selection
    • Job Execution
    • Output Services
    • Remote Job Entry
    • JES3 Networking
  • Controlling JES 3 consoles, commands and messages
    • Console Configuration
    • Enabling / Disabling JES3 Consoles
    • MCS Consoles
    • Console Authority Levels
    • Establishing Message Routing
    • Sending and Receiving Messages
    • Controlling Commands
    • Controlling Console Displays
    • Controlling MLOG and DLOG
  • Starting, Stopping, and Restarting
    JES 3


  • Controlling JES 3 Spool Partitions and Spool Data Sets and Spool Overview
  • Class Management
  • Controlling Devices, Volumes, and Data Sets
  • Controlling Job Scheduling and Execution
  • Controlling Output Processing
  • JES 3 Utilities & Parameters
  • OS/390 & JES 3 Problem Determination, Tips and Techniques


FROM OUR STUDENT EVALUATIONS...
"Instructor was very good, knowledgeable about the subject and kept the class interesting. Answered all questions from the class!

Eileen Leggio
CIGNA Group Insurance

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