Symptom Information; Preparing The Server For Diagnosis - HP ML110 G2 User Manual

•
Do not disable the power cord grounding plug. The grounding plug is an important
safety feature.
•
Plug the power cord into a grounded (earthed) electrical outlet that is easily
accessible at all times.
•
Unplug the power cord from the power supply to disconnect power to the equipment.
•
Do not route the power cord where it can be walked on or pinched by items placed
against it. Pay particular attention to the plug, electrical outlet, and the point where
the cord extends from the server.
20.41 - 27.22 kg
47.18 - 60 lb
CAUTION: To properly ventilate the system, you must provide at least 7.6 cm (3.0 in) of clearance at the
front and back of the server.
CAUTION: The server is designed to be electrically grounded (earthed). To ensure proper operation, plug
the AC power cord into a properly grounded AC outlet only.

Symptom information

Before troubleshooting a server problem, collect the following information:
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What events preceded the failure? After which steps does the problem occur?
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What has been changed since the time the server was working?
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Did you recently add or remove hardware or software? If so, did you remember to change the
appropriate settings in the server setup utility, if necessary?
•
How long has the server exhibited problem symptoms?
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If the problem occurs randomly, what is the duration or frequency?
To answer these questions, the following information may be useful:
•
Run HP Insight Diagnostics (on page 32) and use the survey page to view the current configuration
or to compare it to previous configurations.
•
Refer to your hardware and software records for information.
•
Refer to server LEDs and their statuses.

Preparing the server for diagnosis

Be sure the server is in the proper operating environment with adequate power, air conditioning,
1.
and humidity control. Refer to the server documentation for required environmental conditions.
Record any error messages displayed by the system.
2.
Remove all diskettes and CDs from the media drives.
3.
Power down the server and peripheral devices if you will be diagnosing the server offline. Always
4.
perform an orderly shutdown, if possible. This means you must:
Exit any applications.
a.
WARNING: To reduce the risk of personal injury or damage to the equipment:
•
Observe local occupation health and safety requirements and guidelines for
manual handling.
•
Obtain adequate assistance to lift and stabilize the chassis during installation or
removal.
•
The server is unstable when not fastened to the rails.
•
When mounting the server in a rack, remove the power supplies and any other
removable module to reduce the overall weight of the product.
Troubleshooting 39