Compaq DL580R01 Service Guide - Page 120

Diagnostics and Troubleshooting 3-51 Table 3-18 Array Diagnostic Utility (ADU) Error Messages continued Message Description Recommended Action Unable to retrieve identify controller data. Controller may be disabled or failed. SOLUTION: Power down the system. Verify that the controller is fully seated. Then power the system on and look for helpful error messages displayed by the controller. If this doesn't help, contact your COMPAQ service provider. 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. 1. Power down the server. 2. Verify the controller is fully seated. 3. Restart the server. 4. Resolve any error messages displayed by the controller. If this does not solve the problem, contact a Compaq authorized service provider. Unknown disable code A code was returned from the array Obtain the latest version of ADU. accelerator board that ADU does not recognize. Unrecoverable read error Read parity errors were detected when attempting to read the same data from both sides of the mirrored memory. Data loss occurs. Replace the array accelerator board. Warning bit detected A monitor and performance threshold violation may have occurred. The status of a logical drive may not be OK. Check the other error messages for an indication of the problem. WARNING - Drive Write Cache is enabled on X 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 may cause data corruption if power to the drive is interrupted. Replace the drive with a Compaq drive, or restore the operating parameter of the drive. continued