DFSMS Overview

Course Overview

This course will give an overview of the main features and facilities of DFSMS. It is designed to be applicable to those who need an appreciation of DFSMS, rather than the in-depth study provided by the Implementation and Management course.

Attendees are encouraged to bring along any DFSMS documentation from their installation for reference during the course.

Audience

IT staff who will be working in a DFSMS environment and need an appreciation of the workings of DFSMS from the user's point of view.

Skills Gained

This course is designed to provide a good understanding of DFSMS from the user's point of view.

At the end you will learn.

How the DFSMS component of OS/390 provides the environment within which user data is stored and retrieved with a minimum of user involvement.

Prerequisites

A reasonable understanding of data management concepts.

Course Outline

• The need for storage management from the end user's perspective and the installation's perspective
• The function of each of the DFSMS constructs
• Data class; storage class; management class; storage group
• The differentiation between system managed and non-system managed data sets and volumes
• The ACS (automatic class selection) routines, and how they assign the DFSMS constructs
• Impact of DFSMS on existing JCL, and new DFSMS related JCL parameters
• New features introduced with DFSMS/MVS (striped data sets etc)