IBM 8688 manual System-error logs, Light Path Diagnostics feature

System-error logs

The system-error log contains all messages issued during system initialization or normal system operation.

You can view the contents of the system-error log from the Configuration/Setup Utility program or from the service processor. To view error logs from the Configuration/Setup Utility program, start the Configuration/Setup Utility program; then, select Error Logs from the main menu. See “Starting the Configuration/Setup Utility program” on page 12 for more information.

You can also use the error-log viewer in the AMIDiag program. For information about viewing diagnostic program error logs from the AMIDiag program, see “Error-log viewer” on page 42.

Light Path Diagnostics feature

The Light Path Diagnostics panel is inside the Light Path Diagnostics drawer on the front right of the server. When you press on the front of the Light Path Diagnostics drawer, the Light Path Diagnostic panel is exposed.

The following illustration shows the location of the diagnostics panel. See “The diagnostics panel” on page 37 for information about identifying problems using the Light Path Diagnostic LEDs.

The system-error LED on the operator information panel is lit when certain system errors occur. If the system-error LED on the server is lit, one or more LEDs inside the server might be lit. Use the Light Path Diagnostics panel to identify the type of

36IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide