Table 15. Hard disk drive symptoms and actions (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by “(Trained technician only)”, that step must be performed only by a trained
technician.
v Go to the IBM support website at http://www.ibm.com/supportportal to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom Action
A replacement hard disk drive
does not rebuild.
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 RAID adapter documentation to determine the correct
configuration parameters and settings.
A green hard disk drive activity
LED does not accurately
represent the actual state of the
associated drive. (Hot-swap
hard disk drives)
1. If the green hard disk drive activity LED does not flash when the drive is in
use, run the DSA disk drive test (see “IBM Dynamic System Analysis” on page
136).
2. Use one of the following procedures:
v If the drive passes the test, replace the backplane.
v If the drive fails the test, replace the drive.
An yellow hard disk drive
status LED does not accurately
represent the actual state of the
associated drive. (Hot-swap
hard disk drives)
1. If the yellow 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 configuration cable, 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 159.
Chapter 4. Troubleshooting 143
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