Lenovo ThinkSystem SR850, Maintenance Manual

Page: 153 / 184

1. If the green hard disk drive activity LED does not flash when the drive is in use, run the diagnostics tests
for the hard disk drives. When you start a server and press F1, the Lenovo XClarity Provisioning Manager
interface is displayed by default. You can perform hard drive diagnostics from this interface. From the
Diagnostic page, click
Run Diagnostic ➙ HDD test
2. If the drive passes the test, replace the backplane.
3. If the drive fails the test, replace the drive.
Yellow drive status LED does not represent actual state of associated drive
Complete the following steps until the problem is solved:
1. Turn off the server.
2. Reseat the SATA/SAS adapter.
3. Reseat the backplane signal cable and backplane power cable.
4. Reseat the drive.
5. Power on the server and observe the activity of the drive LEDs.
Not all drives are recognized
Complete the following steps until the problem is solved:
1. Set up RAID configuration before you run the LXPM HDD test.
2. Remove the drive that is not recognized (see “Remove a 2.5-inch hot-swap drive” on page 55); then, run
the LXPM HDD test.
3. Make sure all installed drives are recognized.
Server stops responding during drive stress test
Complete the following steps until the problem is solved:
1. Set up RAID configuration before you run the LXPM HDD test.
2. Remove the drive that was being tested when the server stopped responding (see “Remove a 2.5-inch
hot-swap drive” on page 55), and run the diagnostics again.
A drive has failed with yellow LED lit
Complete the following steps until the problem is solved:
1. Check the XCC event log for drive events and resolve the problem.
A newly installed drive is not recognized.
Complete the following steps until the problem is solved:
1. Set up RAID configuration.
2. Check the XCC event log, and resolve related errors if found any.
3. If the LED is lit, remove the drive from the drive bay, wait 45 seconds, and reinsert the drive. Make sure
that the drive assembly connects to the drive backplane.
4. Observe the associated green drive activity LED and the yellow status LED:
• If the green activity LED is flashing and the yellow status LED is not lit, the drive is recognized by the
controller and is working correctly. Run the LXPM HDD test to determine whether the drive is
detected (xref to LXPM).
• If the green activity LED is flashing and the yellow status LED is flashing slowly, the drive is
recognized by the controller and is rebuilding.
• If neither LED is lit or flashing, check the drive backplane.
Chapter 4
.
Problem determination
145