DFSMS: Extended Address Volume

An IBM Redpaper publication

Published 05 July 2016

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ISBN-10: 0738455423
ISBN-13: 9780738455426
IBM Form #: REDP-5364-00
(52 pages)

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Authors: Keith Winnard, Alvaro Salla, Jose Gilberto Biondo Junior, Barbara White McDonald


The rapid growth of big data and the storage of all that data is creating a critical problem for many organizations with IBM® z Systems™ environments. This situation occurs because the data that is stored is using all of the addressable device storage that is available.

This IBM Redpaper™ publication describes how extended addressable volume (EAV) for IBM 3390 Direct Access Storage Device (DASD) devices can solve the lack of addressable device storage space problem. The paper also describes the design points of EAV, the value of implementing EAV, and the use of EAV.

Table of contents

Chapter 1. Introduction to extended address volumes
Chapter 2. Planning for extended address volumes
Chapter 3. Implementation tips
Appendix A. System macros and more

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