Table 38. Symptoms and user actions for hard disk drive problems (continued)
• 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
• If the adapter passes the test but the drives are not recognized, replace the
backplane signal cable and run the tests again.
• Replace the backplane.
• If the adapter fails the test, disconnect the backplane signal cable from the
adapter and run the tests again.
• If the adapter fails the test, replace the adapter.
11. See “Problem determination tips” on page 195 for more information.
12. Check for Retain Tips for related issues on the Support web site at
13. If the problem persist, contact Lenovo Support.
Multiple hard disk drives are
not recognized or are offline.
1. If the server was recently installed, moved, or serviced, make sure that the
drives are seated correctly, the backplane cables are securely connected to the
backplane and the storage book board, and the RAID adapter is configured
correctly.
2. Make sure that there is no physical damage to the drive connectors, backplanes
or cables (make sure the cables are not pinched or damaged).
3. Verify that the drives are supported for this server. See the ServerProven web
site at
http://www.lenovo.com/serverproven/
for a list of supported hard drives.
4. Check the IMM event log for any RAID hard disk drive events and resolve the
problem.
Hard disk drive(s) installed in
the server, but not detected by
the SAS controller.
Complete the following steps:
1. Verify that the drives are supported for this server. See the ServerProven web
site at
http://www.lenovo.com/serverproven/
for a list of supported hard drives.
2. Check the IMM event log for any RAID hard disk drive events and resolve the
problem.
3. Make sure that the drives are seated correctly, the SAS signal cables are
securely connected, the backplane cables are securely connected to the
backplane and the storage book board, and the RAID adapter is configured
correctly.
4. If the problem remains:
a. Reseat the backplane(s), SAS signal cable(s), and backplane power cable(s).
b. Restart the server.
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