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Course Catalog » Data Center Storage Management Curriculum

Using DFSMS to Manage the z/OS Storage Environment 1.13

6 hours



This course describes today's data storage needs and the role of various DFSMS components in managing that data. It looks at data management rule creation and the role that DFSMShsm plays in ensuring sufficient space is made available.


This course is suitable for Operators, System Programmers, Storage Administrators and other staff who are responsible for monitoring and managing data storage in a z/OS environment.


General knowledge of ISPF and z/OS data processing concepts.


After completing this course, the student should be able to:

  • Describe how DFSMS is Used to Manage the Storage Environment
  • Identify the purpose of DFSMS components
  • Display SMS Storage Information using ISMF
  • Describe how ACS Routines are Created and Activated
  • Explain how DFSMShsm is used for Data Set Migration and Backup/Recovery

Course Content

Introduction to DFSMS

Storage Requirements in Today's Data Center

Data Availability

Backup and Recovery




The Role of DFSMS in Managing Storage

DFSMS Components

Using SMS Constructs

How Constructs are Used

Data Class

Management Class

Storage Class

Storage Groups

Automatic Class Selection Routines

What is an Automatic Class Selection (ACS) Routine?

The ACS Programming Language

Creating and Testing an ACS Routine

Activating ACS Routines

ACS Routine Execution

ISMF Fundamentals

Who Uses ISMF?

Accessing ISMF

Generating Data, Class and Storage Lists

ISMF Tasks for Storage Administrators

Space and Availability Management using DFSMShsm

Space and Availability Storage Requirements

The Role of DFSMShsm

End-User and Storage Administrator Tasks

Deleting Expired Data Sets

Understanding Migration

Volume Dumps

Incremental Backups

Data Recovery using DFSMShsm

DFSMSrmm Operations

The Role of DFSMSrmm in Managing Tape

Major DFSMSrmm Components

Accessing DFSMSrmm

Starting, Stopping and Modifying DFSMSrmm

Responding to Initialization, Tape Processing and DFSMSrmm System Messages

Initializing, Erasing and Scanning Tape Volumes

Using DFSMS to Manage the z/OS Storage Environment Mastery Test

Course Catalog » Data Center Storage Management Curriculum
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