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Chapter 3. Maintenance Analysis Procedures (MAPs)
This chapter contains Maintenance Analysis Procedures (MAPs) for the NAS Gateway 500.
Entry MAP
When possible, run online diagnostics in service mode. Online diagnostics perform additional functions
compared to standalone diagnostics. This ensures that the error state of the system that was captured in
NVRAM is available for your use in fixing the problem. The system error log and SMIT are available only
when diagnostics are run from the hard drive.
Use the following table to help determine your next step.
Notes:
1. Licensed programs frequently rely on system information stored on the VPD module on the operator
panel assembly. If the MAPs indicate that the operator panel assembly should be replaced, refer to
"Operator panel replacement" on page 363. If the old VPD module has to be replaced, call technical
support for recovery instructions. If recovery is not possible, notify the system owner that new keys for
licensed programs might be required.
2. If a network adapter is replaced, the network administrator must be notified so that the client MAC
addresses of the new adapter card can be propagated to any required locations in the Ethernet. In
addition, the operating system configuration of the network adapter might need to be updated based
on the information used on the previous network adapter. Also, check to ensure that any client or
server access is maintained.
3. If a fibre-channel HBA is replaced, the SAN administrator must be notified so that the adapter
definitions on the back-end storage, and the fibre-channel zones on the SAN switches can be updated
with the World Wide Name (WWN) of the new adapter.
4. If more than eight digits are displayed in the operator panel, use only the first eight digits to find the
error in the tables. The digits that display beyond the first eight digits are location codes that can assist
you in diagnosing the problem. See "Location codes" on page 17.
5. If you are not able to isolate the problem, try loading standalone diagnostics from the CD-ROM.
Use the following table to help determine your next step.
Symptom
You have a problem that does not prevent the system
from booting and the operator panel is functional.
You do not have a symptom.
You have a service request number (SRN) displayed on
the operator panel or in an error log.
The system stops and a 3-digit number is displayed in the
operator panel.
The system stops and a 4-digit number beginning with 0
or 2 is displayed in the operator panel.
All other symptoms and error codes.
Starting point
Go to the Fast Path MAP in the RS/6000 Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
Go to MAP 0020 in the RS/6000 Eserver pSeries
Diagnostic Information for Multiple Bus Systems.
Go to the Fast Path MAP in the RS/6000 Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
Record SRN 101-xxx, where xxx is the 3-digit number
displayed in the operator panel, then go to the Fast Path
MAP in the RS/6000 Eserver pSeries Diagnostic
Information for Multiple Bus Systems.
Go to the Fast Path MAP in the RS/6000 Eserver
pSeries Diagnostic Information for Multiple Bus Systems.
Go to "Quick Entry MAP" on page 40.
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