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2. Reseat the following components:
a. Failing serial device.
b. Serial cable.
3. Replace the following components:
a. Failing serial device.
b. Serial cable.
4. (Trained technician only) Replace the system board (system board assembly).
Software problems
Use this information to solve software problems.
1. To determine whether the problem is caused by the software, make sure that:
• The server has the minimum memory that is needed to use the software. For memory requirements,
see the information that comes with the software.
Note: If you have just installed an adapter or memory, the server might have a memory-address
conflict.
• The software is designed to operate on the server.
• Other software works on the server.
• The software works on another server.
2. If you receive any error messages while you use the software, see the information that comes with the
software for a description of the messages and suggested solutions to the problem.
3. Contact your place of purchase of the software.
Storage drive problems
Use this information to resolve issues related to the storage drives.
•
"Server cannot recognize a hard drive" on page 401
•
"Multiple hard drives fail" on page 402
•
"Multiple hard drives are offline" on page 402
•
"A replacement hard disk drive does not rebuild" on page 403
•
"Green hard disk drive activity LED does not represent actual state of associated drive" on page 403
•
"Yellow hard disk drive status LED does not represent actual state of associated drive" on page 403
Server cannot recognize a hard drive
Note: When SED encryption is enabled, rebooting the system is required after installing a drive; without
rebooting, the drive will not be recognized by the host OS.
Complete the following steps until the problem is solved.
1. Observe the associated yellow hard disk drive status LED. If the LED is lit, it indicates a drive fault.
2. If the status LED is lit, remove the drive from the bay, wait 45 seconds, and reinsert the drive, making
sure that the drive assembly connects to the hard disk drive backplane. If SED encryption is enabled on
the system, reboot the system.
3. Observe the associated green hard disk drive activity LED and the yellow status LED and perform
corresponding operations in different situations:
• If the green activity LED is flashing and the yellow status LED is not lit, the drive is recognized by the
controller and is working correctly. Run the diagnostics tests for the hard disk drives. When you start
.
Chapter 8
Problem determination
401
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Table of Contents
Troubleshooting
