3Ware 9500S-4LP User Guide - Page 174

Aen 04dh Aen_temperature_above_operating, Aen 04eh Aen_low_current_test_started - pci

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Troubleshooting: Problems and Solutions AEN 04Dh AEN_TEMPERATURE_ABOVE_OPERATING The Battery Backup Unit measures and evaluates the battery pack temperature on a continuous basis. If the temperature is too high to operate, this AEN will be posted to the user. The user should check that there is enough airflow around the Battery Backup Unit. When this event happens, the Battery Backup Unit becomes not ready and is unable to backup the 3ware RAID controller. The user must replace the battery pack if the temperature error persists. The use of a PCI card in the slot adjacent to the BBU is not recommended and may result in the battery temperature being exceeded. AEN 04Eh AEN_LOW_CURRENT_TEST_STARTED This AEN is posted when the Battery Backup Unit starts a battery test. The test estimates the battery capacity in hours, which is how long the Battery Backup Unit can back up the 3ware RAID controller. This test performs a full battery charge/discharge/re-charge cycle and may take up to 20 hours to complete. During this test the Battery Backup Unit cannot backup the 3ware RAID controller; all units have their write cache disabled until the test completes. AEN 04Fh AEN_CACHE_SYNC_SKIPPED The 3ware RAID controller performs cache synchronization when system power is restored following a power failure. This AEN is posted when the cache synchronization was skipped and write data is still being backed up in the controller cache. This can occur if a unit that was present before the power failure was physically removed or became inoperable before system power was restored. AEN 050h AEN_LOW_CURRENT_TEST_STOPPED This AEN is posted when the Battery Backup Unit completes a battery capacity test. All units will have their write cache settings restored to their original values since the Battery Backup Unit is now able to backup the 3ware RAID controller. AEN 051h AEN_HIGH_CURRENT_TEST_STARTED The Battery Backup Unit periodically evaluates the health of the battery and its ability to backup the 3ware RAID controller in case of a power failure. This AEN is posted to the host when this health check is started. AEN 052h AEN_HIGH_CURRENT_TEST_STOPPED The Battery Backup Unit evaluates periodically the health of the battery and its ability to backup the 3ware RAID controller in case of a power failure. This AEN is posted to the host when this health check has completed. 168 3ware 9000 Series Serial ATA RAID Controller User Guide

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Troubleshooting: Problems and Solutions
168
3ware 9000 Series Serial ATA RAID Controller User Guide
AEN 04Dh AEN_TEMPERATURE_ABOVE_OPERATING
The Battery Backup Unit measures and evaluates the battery pack
temperature on a continuous basis. If the temperature is too high to operate,
this AEN will be posted to the user. The user should check that there is
enough airflow around the Battery Backup Unit. When this event happens, the
Battery Backup Unit becomes not ready and is unable to backup the 3ware
RAID controller. The user must replace the battery pack if the temperature
error persists. The use of a PCI card in the slot adjacent to the BBU is not
recommended and may result in the battery temperature being exceeded.
AEN 04Eh AEN_LOW_CURRENT_TEST_STARTED
This AEN is posted when the Battery Backup Unit starts a battery test. The
test estimates the battery capacity in hours, which is how long the Battery
Backup Unit can back up the 3ware RAID controller. This test performs a full
battery charge/discharge/re-charge cycle and may take up to 20 hours to
complete. During this test the Battery Backup Unit cannot backup the 3ware
RAID controller; all units have their write cache disabled until the test
completes.
AEN 04Fh AEN_CACHE_SYNC_SKIPPED
The 3ware RAID controller performs cache synchronization when system
power is restored following a power failure. This AEN is posted when the
cache synchronization was skipped and write data is still being backed up in
the controller cache. This can occur if a unit that was present before the power
failure was physically removed or became inoperable before system power
was restored.
AEN 050h AEN_LOW_CURRENT_TEST_STOPPED
This AEN is posted when the Battery Backup Unit completes a battery
capacity test. All units will have their write cache settings restored to their
original values since the Battery Backup Unit is now able to backup the 3ware
RAID controller.
AEN 051h AEN_HIGH_CURRENT_TEST_STARTED
The Battery Backup Unit periodically evaluates the health of the battery and
its ability to backup the 3ware RAID controller in case of a power failure.
This AEN is posted to the host when this health check is started.
AEN 052h AEN_HIGH_CURRENT_TEST_STOPPED
The Battery Backup Unit evaluates periodically the health of the battery and
its ability to backup the 3ware RAID controller in case of a power failure.
This AEN is posted to the host when this health check has completed.