Compaq ML530R Service Guide - Page 109

Drive Write, A code was returned from the array

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Diagnostics and Troubleshooting 3-49 Table 3-20 ADU Diagnostic Messages continued Message Description System board is unable to identify which slots the controllers are in Slot indicator on motherboard is not working correctly. It appears to the firmware that both controllers are in the same slot. This controller cannot see the drives but the other controller can This controller can see the drives but the other controller cannot Unable to communicate with drive on SCSI Port X, Drive ID X Unknown disable code Unrecoverable read error WARNING - Drive Write Cache is enabled on X The other controller in the redundant controller configuration cannot see the drives, but this controller can. The other controller in the redundant controller configuration can see the drives, but this controller cannot. Controller could not communicate with drive. A code was returned from the array accelerator board that the ADU does not recognize. Read parity errors were detected when attempting to read same data from both sides of mirrored memory. Data loss will occur. 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. This condition may cause data corruption if power to the drive is interrupted. Recommended Action Make sure that controllers are fully seated. If the problem persists, this might indicate a controller problem or a system board problem. Follow these steps: 1. Remove one of the controllers in the configuration and see if the remaining controller generates a POST message. 2. Move the remaining controller to the other slot and see if it still generates a POST message. 3. Repeat steps 1 and 2 for other controller. If both controllers give POST messages in one slot but not the other, it is a system board problem. If only one controller has a POST message, replace that controller. Resolve any other errors and then rerun ADU. Resolve any other errors and then rerun ADU. If the amber LED on the drive is on, replace the drive. Obtain the latest version of ADU. Replace the array accelerator board. Replace the drive with a drive supplied by Compaq, or restore the operating parameters of the drive. continued

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Diagnostics and Troubleshooting
3-49
Table 3-20
ADU Diagnostic Messages
continued
Message
Description
Recommended Action
System board is
unable to identify
which slots the
controllers are in
Slot indicator on motherboard is not
working correctly. It appears to the
firmware that both controllers are in
the same slot.
Make sure that controllers are fully seated.
If the problem persists, this might indicate a
controller problem or a system board problem.
Follow these steps:
1.
Remove one of the controllers in the
configuration and see if the remaining
controller generates a POST message.
2.
Move the remaining controller to the other
slot and see if it still generates a POST
message.
3.
Repeat steps 1 and 2 for other controller.
If both controllers give POST messages in one
slot but not the other, it is a system board
problem.
If only one controller has a POST message,
replace that controller.
This controller
cannot see the
drives but the
other controller
can
The other controller in the redundant
controller configuration cannot see
the drives, but this controller can.
Resolve any other errors and then rerun ADU.
This controller
can see the
drives but the
other controller
cannot
The other controller in the redundant
controller configuration can see the
drives, but this controller cannot.
Resolve any other errors and then rerun ADU.
Unable to
communicate
with drive on
SCSI Port
X
,
Drive ID
X
Controller could not communicate
with drive.
If the amber LED on the drive is on, replace the
drive.
Unknown disable
code
A code was returned from the array
accelerator board that the ADU does
not recognize.
Obtain the latest version of ADU.
Unrecoverable
read error
Read parity errors were detected
when attempting to read same data
from both sides of mirrored memory.
Data loss will occur.
Replace the array accelerator board.
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. This condition may
cause data corruption if power to the
drive is interrupted.
Replace the drive with a drive supplied by
Compaq, or restore the operating parameters of
the drive.
continued