Introduction

If a problem occurs, this information can help you determine what happened, why it happened, and how to find the fix or report the problem to IBM®.

This information can also help you avoid problems and soft failures, find specific information about tools and service aids, and locate diagnosis information in the z/OS® library. For more information, see:

• Common tools for problem determination
• Predictive Failure Analysis
• Diagnosis information for z/OS base elements and features.