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• Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
Chapter 4 "Parts listing, Lenovo System x3550 M3 Type 4254 and 7944" on page 403
• See
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.
• Go to the IBM support website at
tips, and new device drivers or to submit a request for information.
Symptom
Multiple hard disk drives are
offline.
A replacement hard disk drive
does not rebuild.
A green hard disk drive activity
LED does not accurately
represent the actual state of
the associated drive.
An amber hard disk drive
status LED does not accurately
represent the actual state of
the associated drive.
Hypervisor problems
Use this information to solve hypervisor problems.
System x3550 M3Problem Determination and Service Guide
364
http://www.ibm.com/supportportal/
Action
1. Review the storage subsystem logs for indications of problems within the
storage subsystem, such as backplane or cable problems.
2. See
"Problem determination tips" on page
1. Make sure that the hard disk drive is recognized by the adapter (the green hard
disk drive activity LED is flashing).
2. Review the SAS/SATA adapter documentation to determine the correct
configuration parameters and settings.
If the green hard disk drive activity LED does not flash when the drive is in use, run
the DSA Preboot diagnostic programs to collect error logs (see
diagnostic programs" on page
• If there is a hard disk drive error log, replace the affected hard disk drive.
• If there is no disk drive error log error log, replace the affected backplane.
1. If the amber hard disk drive LED and the RAID adapter software do not indicate
the same status for the drive, complete the following steps:
a. Turn off the server.
b. Reseat the SAS/SATA adapter.
c. Reseat the backplane signal cable and backplane power cable.
d. Reseat the hard disk drive.
e. Turn on the server and observe the activity of the hard disk drive LEDs.
2. See
"Problem determination tips" on page
to check for technical information, hints,
401.
318).
401.
to determine which
"Running the
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