IMS Concepts and Commands

Duration

8 to 9 hours

Overview

Audience

Computer personnel requiring knowledge of the IMS system and an overview of IMS/VS.

Prerequisites

Knowledge of the MVS operating system.

Objectives

After completing this course, the student will be able to:
• Define the components of an IMS/VS system
• Identify what a database is and how data communication works
• Identify how to start, stop, and monitor the IMS system

Course Content

Introduction to IMS/VS

Introduction to Running Time Units, Image Copies, Control Region, MPR, and BMP

DB Concepts

Concepts of a Database

DC Concepts

Concepts of Data Communications

The LOG Facility

IMS/VS Logging Procedures

IMS/VS with Other Subsystems

Using IMS with Other Databases and Data Communication Systems

Master Terminal Operator

Master Terminal Operator Functions
System Checkpoints
The /CHE and /CHE SNAPQ Commands

Starting the IMS/VS System, Part 1

Different Types of Startup

Starting the IMS/VS System, Part 2

The Warm Start - Database Connection

Starting the IMS/VS SYSTEM, Part 3

The Warm Start - Data Communications Connection
Final SNAPQ

IMS/VS Cold and Emergency Starts

Emergency Starts
Cold Starts

IMS/VS Start Simulator

Student to Start Up the IMS System

Stopping the IMS/VS System, Part 1

Types of Terminating Checkpoints
PURGE
DUMPQ
FREEZE

Stopping the IMS/VS System, Part 2

Orderly Shutdown
Send Message
Stop DC, Remove Terminals

Stopping the IMS/VS System, Part 3

Stopping Regions
Stopping Databases

Stopping the IMS/VS System, Part 4

/CHE DUMPQ
Completing Shutdown Log

IMS/VS Stop Simulator

IMS/VS System Checks, Part 1

Commands Used to Monitor the System
Displaying Activity and Online Data Sets

IMS/VS System Checks, Part 2

Displaying the Status of Transactions and Queues
Displaying the Status of Databases and Programs

IMS/VS System Checks, Part 3

Displaying Hardcopy Log and Correcting Problems

IMS/VS System Checks, Part 4

Displaying IMS/VS Subsystems
Displaying IMS/VS SPOOL