Preface

This IBM® Redbook describes problem diagnosis fundamentals and analysis methodologies for the z/OS® system. It provides guidelines for the collection of relevant diagnostic data, tips for analyzing the data, and techniques to assist in identifying and resolving of Language Environment®, CICS®, CICSPlex/SM, MQSeries®, VTAM®, and DB2® problems. Also described are some diagnostic procedures that are not purely z/OS, but that are related to the various platforms (UNIX® and Windows®) where IBM software executes and interacts with z/OS in a Client/Server or distributed framework topology.

This document shows you how to:

  • Adopt a systematic and thorough approach to dealing with problems

  • Identify the different types of problems

  • Determine where to look ...

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