If you cannot see the AIX console after you install AIX locally by using the keyboard/video select button
and local media, run the change console command and restart the compute node to switch the AIX
console to a Serial over LAN (SOL) connection:
chcons /dev/vty0
shutdown -Fr
The commands do not affect the console that is used by partition firmware.
The following tools are available to help you diagnose and solve hardware-related problems:
v
Power-on self-test (POST) firmware checkpoints and error codes
The firmware checkpoints are progress codes that your compute node writes to the
management-module event log during POST.
See the online information or the Problem Determination and Service Guide for more information.
v
Firmware error codes and location codes
For detailed descriptions of the firmware error codes, see the online information or the Problem
Determination and Service Guide.
Some firmware error codes also include location codes. The location code information is required to
identify the failing component. Check the event log in the management module to determine the
location code information that corresponds to the firmware error code.
For additional information about location codes, see the online information or the Problem Determination
and Service Guide.
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Troubleshooting tables
Use the troubleshooting tables to find solutions to problems that have identifiable symptoms.
See the online information or the Problem Determination and Service Guide for your compute node.
v
Diagnostic utilities for the Linux operating system
Diagnostic utilities for the Linux operating system are available from IBM. To obtain these utilities and
information about them, see http://publib.boulder.ibm.com/infocenter/powersys/v3r1m5/topic/
p7ha5/obtain_service_tools.htm.
v
Diagnostic utilities for the AIX operating system
An AIX operating-system diagnostic CD, also known as the stand-alone Diagnostics CD, is available
from IBM. You can start the CD from a CD drive or from NIM. To download the CD image, go to
http://www14.software.ibm.com/webapp/set2/sas/f/diags/home.html.
See the Problem Determination and Service Guide for instructions for using the diagnostic utilities.
v
Diagnostic utilities for other operating systems
Other supported operating systems might have diagnostic tools that are available through the
operating system. See your operating-system documentation for more information.
v
Light path diagnostics
Use light path diagnostics LEDs on the system board to identify system errors. If the system-error LED
on the system LED panel on the front or rear of the IBM Flex System Enterprise Chassis is lit, one or
more error LEDs on the IBM Flex System Enterprise Chassis components also might be lit. These LEDs
help identify the cause of the problem.
Notes:
v
View the system event log in the IBM Flex System Enterprise Chassis management module.
v
Before you have the compute node serviced, verify that you provide a Serial over LAN (SOL)
connection to the compute node. To do this, you must configure the SOL feature on the compute node
and start an SOL session as described in the IBM Chassis Management Module Command-Line Interface
Reference Guide.
v
You can also configure the service processor IP address by using the management module, and set up
a SOL connection to the service processor.
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