System Event Log; Diagnostic Leds On The Front Control Panel; Onboard Debug Digitron - Lenovo ThinkServer RD230 Hardware Maintenance Manual

If IPMItool is installed in the server, you can use it to view the system-event log. Most recent versions of
the Linux operating system come with a current version of IPMItool.
The following table describes the methods that you can use to view the event logs, depending on the
condition of the server. The first two conditions generally do not require that you restart the server.
Table 2. Methods for viewing event logs
Condition
The server is not hung and is connected to a network.
The server is not hung and is not connected to a network.
The server is hung.

System event log

The system-event log contains messages of three types:
Information
Warning
Error
Each message contains date and time information, and it indicates the source of the message (POST).

Diagnostic LEDs on the front control panel

Identifying the diagnostic LEDs on the front control panel is a very important method for diagnosing server
problems. See "Front control panel" on page 25 for detailed information.

Onboard debug digitron

The onboard debug digitron helps trained service technicians to identify server problems. When you turn on
the server, the onboard debug digitron will display debug code on the screen.
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ThinkServer RD230 Hardware Maintenance Manual
Action
Use IPMItool to view the system-event log.
Use IPMItool locally to view the system-event log.
You can restart the server and press Del to start the Setup
Utility program and view the system-event log.
Information messages do not require action; they
record significant system-level events, such as
when the server is started.
Warning messages do not require immediate action;
they indicate possible problems, such as when the
recommended maximum ambient temperature is
exceeded.
Error messages might require action; they indicate
system errors, such as when a fan is not detected.