Diagnostics and Troubleshooting 3-35
Table 3-18
Array Diagnostic Utility (ADU) Error Messages
continued
Message Description Recommended Action
Accelerator status:
Dirty data detected.
Unable to write dirty
data to drives
At least one cache line contains
dirty data that the controller has
been unable to flush (write) to the
drives. This problem usually occurs
when there is a problem with the
drive or drives.
Resolve the problem with the drive or drives, and
then the controller can write the dirty data to the
drives.
Accelerator status:
Excessive ECC errors
detected in at least
one cache line. As a
result, at least one
cache line is no
longer in use.
At least one line in the cache is no
longer in use due to excessive error
checking and correcting (ECC)
errors detected during use of the
memory associated with that cache
line.
Consider replacing the cache. If cache
replacement is not done, the remaining cache
lines should continue to operate properly.
Accelerator status:
Excessive ECC errors
detected in multiple
cache lines. As a
result, the cache is
no longer in use.
The number of cache lines
experiencing excessive ECC errors
has reached a preset limit.
Therefore, the cache has been shut
down.
Try reseating the cache to the controller. If not
successful, replace the cache.
Accelerator status:
Obsolete data
detected
During reset initialization, obsolete
data was found in the cache. This
was due to the drives being moved
and written to by another controller.
Normal operations should continue. The
controller either writes the data to the drives or
discards the data completely.
Accelerator status:
Obsolete data was
discarded
During reset initialization, obsolete
data was found in the cache, and
was discarded (not written to the
drives).
Normal operations should continue.
Accelerator status:
Obsolete data was
flushed (written) to
drives
During reset initialization, obsolete
data was found in the cache. The
obsolete data was written to the
drives, but newer data may have
been overwritten.
If newer data was overwritten, you may need to
restore newer data; otherwise, normal operation
should continue.
Accelerator status:
Permanently
disabled
Array accelerator board has been
permanently disabled. It remains
disabled until it is reinitialized using
the Array Configuration Utility
(ACU).
Check the Disable Code field. Run the ACU to
reinitialize the array accelerator board.
Accelerator status:
Possible data loss in
cache
Possible data loss detected during
power up due to all batteries being
below sufficient voltage level and
no presence of the identification
signatures on the array accelerator
board.
There is no way to determine if dirty or bad data
was in the cache and is now lost.
Accelerator status:
Temporarily disabled
Array accelerator board has been
temporarily disabled.
Check the Disable Code field.
continued
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