Unknown Disable Code; Unrecoverable Read Error; Warning Bit Detected - HP ProLiant Gen9 Troubleshooting Manual

Description: ADU requested the identify controller data from the controller, but was unable to obtain it. This
usually indicates that the controller is not seated properly or has failed.
Action:
Power down the server.
1.
Be sure the controller is fully seated.
2.
Restart the server.
3.
Resolve any error messages displayed by the controller.
4.
If this does not solve the problem, contact an HP authorized service provider.

Unknown Disable Code

Description: A code was returned from the array accelerator board that ADU does not recognize.
Action: Obtain the latest version of ADU.

Unrecoverable Read Error

Description: Read parity errors were detected when an attempt to read the same data from both sides of the
mirrored memory was made. Data loss will occur.
Action: Replace the array accelerator board.
Unsupported Processor Configuration (Processor Required in Slot #1)
Description: Processor required in slot 1.
Action: If you do not install a supported processor in slot 1, this message is displayed, and the system halts.

Warning Bit Detected

Description: A monitor and performance threshold violation may have occurred. The status of a logical drive
may not be OK.
Action: Check the other error messages for an indication of the problem.
WARNING - Drive Write Cache is Enabled on X
Description: Drive has its internal write cache enabled. The drive may be a third-party drive, or the operating
parameters of the drive may have been altered. Condition can cause data corruption if power to the drive is
interrupted.
Action: Replace the drive with a supported drive or restore the operating parameter of the drive.
WARNING - Mixed Feature Processors Were Detected
Description: Mixed feature processors were detected. The server will boot using the lowest featured
processor.
If you install supported processors with different features in the same system, this informational message is
displayed.
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