Adu Diagnostic Messages - Compaq PROLIANT ML370 Maintenance And Service Manual

3-36 Compaq ProLiant ML370 Maintenance and Service Guide
Message
Accelerator
board not
detected
Accelerator error
log
Accelerator
parity read
errors: n
Accelerator
parity write
errors: n
Accelerator
status: Cache
was
automatically
configured
during last
controller reset.
Accelerator
status: Data in
the cache was
lost due to some
reason other
than the battery
being discharged
Accelerator
status: Dirty data
detected has
reached limit.
Cache still
enabled, but
writes no longer
being posted
Accelerator
status: Dirty data
detected. Unable
to write dirty
data to drives
Table 3-16

ADU Diagnostic Messages

Description
Array controller did not detect a
configured Array Accelerator board
This log lists the last 32 parity errors
on transfers to or from memory on
the Array Accelerator board, and
displays starting memory address,
transfer count, and operation (read
and write).
Number of times that read memory
parity errors were detected during
transfers from memory on the Array
Accelerator board
Number of times that write memory
parity errors were detected during
transfers to memory on the Array
Accelerator board
This can occur when cache board is
replaced with one of a different size
Data in the cache was lost, but not
because of the battery being
discharged.
The number of cache lines containing
dirty data that cannot be flushed
(written) to the drives has reached a
preset limit. The cache is still
enabled, but writes are no longer
being posted. This error usually
occurs when there is a problem with
the drive(s).
At least one cache line contains dirty
data that the controller has been
unable to flush (write) to the drives.
This error usually occurs when there
is a problem with the drive(s).
Recommended Action
Install the Array Accelerator board on the array
controller. If an Array Accelerator board is
already installed, check for proper seating on
the array controller board.
If there are many parity errors, you may need to
replace the Array Accelerator board.
If there are many parity errors, you may need to
replace the Array Accelerator board.
If there are many parity errors, you may need to
replace the Array Accelerator board.
Normal operations should continue.
Ensure that the Array Accelerator is properly
seated. If the error continues, you may need to
replace the Array Accelerator.
Resolve the problem with the drive(s). The
controller will then be able to write dirty data to
drives and posted write operations will be
restored.
Resolve the problem with the drive(s). The
controller will then be able to write dirty data to
drives.
continued