Troubleshooting by symptom
Follow this procedure to find solutions to problems that have identifiable symptoms.
To use the symptom-based troubleshooting information in this section, complete the following steps:
1. Check the event log of the application that is managing the server and follow the suggested actions to
resolve any event codes.
• If you are managing the server from the Lenovo XClarity Administrator, begin with the Lenovo XClarity
Administrator event log.
• If you are using some other management application, begin with the Lenovo XClarity Controller event
log.
For more information about event logs, see “Event logs” on page 207.
2. Review this section to find the symptoms that you are experiencing and follow the suggested actions to
resolve the issue.
3. If the problem persists, contact support (see “Contacting Support” on page 233).
Drive problems
See this section to resolve issues related to the drives.
• “Server cannot recognize a hard drive” on page 211
• “Multiple hard drives fail” on page 212
• “Multiple hard drives are offline” on page 212
• “A replacement hard disk drive does not rebuild” on page 212
• “Green hard disk drive activity LED does not represent actual state of associated drive” on page 212
• “Yellow hard disk drive status LED does not represent actual state of associated drive” on page 213
Server cannot recognize a hard drive
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 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.
3. Observe the associated green hard disk drive activity LED and the yellow status LED:
• 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
a server and press F1, the Lenovo XClarity Provisioning Manager V3 interface is displayed by default.
You can perform hard drive diagnostics from this interface. From the Diagnostic page, click Run
Diagnostic ➙ Disk Drive Test.
• If the green activity LED is flashing and the yellow status LED is flashing slowly, the drive is
recognized by the controller and is rebuilding.
• If neither LED is lit or flashing, check the hard disk drive backplane.
• If the green activity LED is flashing and the yellow status LED is lit, replace the drive. If the activity of
the LEDs remains the same, go to step Hard disk drive problems. If the activity of the LEDs changes,
return to step 1.
4. Make sure that the hard disk drive backplane is correctly seated. When it is correctly seated, the drive
assemblies correctly connect to the backplane without bowing or causing movement of the backplane.
Chapter 5. Problem determination 211
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