NEC Express5800 Series Maintenance Manual page 37

Chapter 1 Maintenance
[?] Server response time is slower than usual

Review information about the operating system encryption technology, which can cause a decrease in
server performance.
 Is the drive full?

Be sure the drive is not full. If needed, increase the amount of free space on the drive. Recommends
that drives have a minimum of 15 percent free space.
 Is a recovery operation pending on the logical drive?

Make sure that a recovery operation is not pending on the logical drive by using SSA.
[?] SmartDrive icons or LEDs illuminate errors for the wrong drive or an error message is displayed in POST,
SSA, or SSADUCLI

Make sure that the cabling from the drive backplane to the mother board is correct.
[?] POST message or IML message is registered

Replace the device, because the device is approaching the maximum usage limit for writes to the
device.
[?] Additional internal or external devices do not operate correctly.

Be sure the internal or external devices being installed are a supported option on the server.

Be sure the issue is not caused by a change to the hardware release. For details, see the NEC web site.

Be sure the new internal or external devices are installed properly.

Be sure no memory, I/O, or interrupt conflicts exist.

Be sure all cables are connected to the correct locations and are the correct lengths.

Be sure other components were not accidentally unseated during the installation of the new internal or
external devices.

Be sure all necessary software updates, such as device drivers, ROM updates, and patches, are
installed and current, and the correct version for the hardware is installed.

After installing or replacing boards or other options, verify that the system recognizes all changes to the
hardware in the options setup in System Utility. If the new hardware is not properly configured, a POST
Error message indicating the configuration error may be registered.

Be sure all switch settings are set correctly.

Be sure all boards are properly installed in the server.
Express5800/R120h-1E, R120h-2E Maintenance Guide
5. Troubleshooting
37