Hard disk drive problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

Not all drives are recognized by

Remove the drive that is indicated by the diagnostic tests; then, run the hard disk

the hard disk drive diagnostic

drive diagnostic test again. If the remaining drives are recognized, replace the drive

test (the Fixed Disk test).

that you removed with a new one.

 

 

The server stops responding

Remove the hard disk drive that was being tested when the server stopped

during the hard disk drive

responding, and run the diagnostic test again. If the hard disk drive diagnostic test

diagnostic test.

runs successfully, replace the drive that you removed with a new one.

 

 

A hard disk drive was not

Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic

detected while the operating

tests again.

system was being started.

 

 

 

A hard disk drive passes the

Run the diagnostic SCSI Attached Disk Test.

diagnostic Fixed Disk Test, but

 

the problem remains.

 

 

 

Intermittent problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

A problem occurs only

1. Make sure that:

occasionally and is difficult to

v All cables and cords are connected securely to the rear of the server and

diagnose.

attached devices.

 

Attention: In a dc power environment, only trained service personnel other than Lenovo service technicians are authorized to connect or disconnect power to the dc power supply. See the documentation that comes with each dc power supply.

vWhen the server is turned on, air is flowing from the fan grille. If there is no airflow, the fans are not working. This can cause the server to overheat and shut down.

2.Check the system event/error log (see “Error Logs” in the Hardware Maintenance Manual).

Chapter 7. Solving problems 131

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Lenovo 3797 manual Hard disk drive problems, Intermittent problems