Chapter 6 Troubleshooting the APPC Subsystem

Table of Contents

Troubleshooting Tools

APPC Internal Tracing

APPC Logging

APPC Subsystem Messages and Return Codes

Startup Problems

Link and Node Level Problems

APPC Subsystem Problems

Run-Time Problems

Lost Data

APPC Subsystem Hang

APPC Subsystem Failure

Transaction Program Hang

Remotely Initiated TP Failure

System Hangs or Failures

Submitting an SR

Common Information

This chapter gives you troubleshooting procedures to follow when you suspect a problem with the APPC subsystem. It should be used with the SNA Link/XL Node Manager's Guide.

• Troubleshooting tools. This section describes the tools available to the APPC subsystem node manager.

• Startup problems. These problems commonly occur during installation and configuration.

• Run-time problems. These problems occur after the APPC subsystem and the LU 6.2 products have been up and running.

• Submitting an SR. This section tells you what information to include when you submit an SR (Service Request).