Summary of changes
This section describes the technical changes that were made in this edition of the book and in previous editions. This edition also includes minor corrections and editorial changes that are not identified.
Summary of Changesfor IBM Redbooks publication SG24-6374-18for IBM GDPS: An Introduction to Concepts and Capabilitiesas created or updated on March 21, 2024.
March 2023, Nineteenth Edition
New and changed information
All references to “XRC,” “Metro Global - XRC,” and “MzGM” were removed. The following chapters and sections were deleted because the XRC function was withdrawn from service:
 – Section 2.4.2 XRC (z/OS Global Mirror (GM)).
 – Chapter 5, “Introducing GDPS Global - XRC”.
 – Section 9.5 GDPS Metro Global - XRC 3-site. ...

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