Lenovo System x3850 X6 - Page 187

General problems
Use this information to solve general problems.
Table 37. Symptoms and user actions for general problems
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 5 “Parts listing, System x3850 X6 and x3950 X6 Type 6241” on page 201 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by (Trained service technician only), that step must be performed only by a
Trained service technician.
Symptom
Action
An LED is not working, or a
similar problem has occurred.
If the part is a CRU, replace it. If the part is a FRU, the part must be replaced by a
trained service technician (see Chapter 6 “Removing and replacing components” on
page 221 to determine whether the part is a CRU or a FRU).
Hard disk drive problems
Use this information to solve hard disk drive problems.
Table 38. Symptoms and user actions for hard disk drive problems
• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
• See Chapter 5 “Parts listing, System x3850 X6 and x3950 X6 Type 6241” on page 201 to determine which
components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
• If an action step is preceded by (Trained service technician only), that step must be performed only by a
Trained service technician.
Symptom
Action
The server fails to recognize
one drive.
1. Verify that the drive is supported for this server. Check the ServerProven web
site at
http://www.lenovo.com/serverproven/ for a list of supported hard drives.
2. Make sure that the drive is seated in the drive bay properly and that there is no
physical damage to the drive connectors.
3. Run the DSA SAS Fixed Disk or SAS Attached Disk diagnostic tests (see
“Running the DSA Preboot diagnostic programs” on page 166), then do the
following:
a. If the drive fails the diagnostic test, replace the drive.
b. If the drive passes the diagnostic tests but is still not recognized, complete
the following steps:
1) Replace the drive.
2) Replace the hard drive backplane.
3) Replace the standard I/O book ( “Removing the standard I/O book” on
page 224 and “Replacing the standard I/O book” on page 227).
Not all drives are recognized
by the DSA hard disk drive
diagnostic test.
1. Set up the RAID configuration before running the DSA diagnostics.
2. Remove the drive that is indicated by DSA (see “Removing 2.5-inch and 1.8-
inch hot-swap drives” on page 238); then, run the hard disk drive diagnostic test
again (see “Running the DSA Preboot diagnostic programs” on page 166).
3. If the remaining drives are recognized, replace the drive that you removed with a
new one.
Chapter 4. Troubleshooting 173