IMS operations (2IMS )

Module

2IMS

Description

In this course the components of IMS treated. The DC part is described. This will include the scheduling of transactions and data flow during a transaction covered. Special attention will be given to the message queue. Also, the logging mechanism is treated. Part of the DB, the database structure and data base several organizations discussed. It also deals extensively with data integrity. Furthermore, the establishment of the IMS address spaces are discussed and a number of IMS master terminal commands.

Topics

*IMS / DC Structure

*Transaction Scheduling

Class, Priority

Processing Limit Count

Wait-for-input

*Conversational Transactions

SPA (Scratch Pad Area)

Processing Flow

*Message Flow of a transaction

*Data Base Organization

DL / 1 Interface

DL /1 Buffer

Buffer Pool Statistics

*Program lsolation

Enqueue / Dequeue

Dynamic Log

Dynamic Backout

Deadlocks

*Startup Control of the Region

IMS Procedure

IMS Data Sets

*Start and Restart options

Normal / Automatic / Emergeney

*Starting the Dependent Regions

*IMS / DC IMS Recovery Features

Commands

Prerequisites

Course 1RKC, 1DATAM, 1ZOS, 1DATACOM, 1VTAM, 1IMS

Coursedays

3 days

Class

Classroom with syllabus.

Special

A written test is possible.