This Controller Can See The Drives But The Other Controller Can't; This Controller Can't See The Drives But The Other Controller Can; Unable To Communicate With Drive On Scsi Port X, Drive Id Y; Unable To Retrieve Identify Controller Data. Controller May Be Disabled Or Failed - HP ProLight Server Troubleshooting Manual

Description: ADU detected two different controller models installed in a redundant controller
configuration. This is not supported and one or both controllers may not be operating properly.
Action: Use the same controller models for redundant controller configurations.

This Controller Can See the Drives but the Other Controller Can't

Description: The other controller in the redundant controller configuration cannot recognize the drives,
but this controller can.
Action: Resolve any other errors and then rerun ADU

This Controller Can't See the Drives but the Other Controller Can

Description: The other controller in the redundant controller configuration can recognize the drives, but
this controller cannot.
Action: Resolve any other errors and then rerun ADU

Unable to Communicate with Drive on SCSI Port X, Drive ID Y

Description: The array controller cannot communicate with the drive.
Action: If the hard drive amber LED is on, replace the drive.

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 HP service provider.
Description: ADU
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.
("Array Diagnostic Utility" on page 63) requested the identify controller data from the
("Array Diagnostic
("Array Diagnostic Utility" on page 63).
("Array Diagnostic Utility" on page 63).
Utility" on page 63).
Error messages 90