Compaq ProLiant 6400R Maintenance And Service Manual page 109

3-42 Compaq ProLiant 6400R Maintenance and Service Guide
Table 3-18
ADU Diagnostic Messages
Message
Unrecoverable
read error
WARNING - Drive
Write Cache is
enabled on X
Warning bit
detected
Write memory
error
Wrong
Accelerator
continued
Description
Read parity errors were detected
during the attempt to read the 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. The condition may
cause data corruption if power to the
drive is interrupted.
A monitor and performance threshold
violation may have occurred. The
status of a logical drive may not be
OK.
Data could not be written to cache
memory. This typically means that
parity error was detected while
writing data to cache. This could be
caused by an incomplete connection
between the cache and controller.
This is not a data loss circumstance.
Either the board was replaced in the
wrong slot or placed in a system that
was previously configured with
another board type. Included with
this message is one indicating the
type of adapter sensed by ADU and
one indicating the type of adapter
last configured in EISA nonvolatile
RAM.
Recommended Action
Replace the array accelerator board.
Replace the drive with one supplied by Compaq,
or restore the operating parameters of the drive.
Check the other error messages on the
diagnosis screen for an error.
With power to the system turned off, verify that
the cache board is fully connected to the
controller.
Check the diagnosis screen for other error
messages. Run the System Configuration Utility
to update the system configuration.