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Storage – Managing z/OS Data Using DFSMS Constructs z/OS 2.5


5 hours



This course introduces you to the family of DFSMS products that are used to manage z/OS data and then focuses on the creation and implementation of data, storage and management classes, as well as storage groups, to automate processes in the storage environment.


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 will 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

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
ACS Routines
Monitoring Policies
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 and Invoking ACS Routines
ACS Routine Processing

ISMF Fundamentals

Who Uses ISMF?
Accessing ISMF
Interaction with ISMF
Generating Data, Class and Storage Lists
ISMF Tasks for Storage Administrators

Storage – Managing z/OS Data Using DFSMS Constructs z/OS 2.5 Mastery Test