3Ware 9650SE-2LPB-10 User Manual page 252

Chapter 12. Troubleshooting
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005B Battery is not present
This message is posted to the host when the Battery Backup Unit detects that
the battery pack has been removed.
005C Battery is weak
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 message is posted when the result of the health test is below the warning
threshold. This indicates that the battery pack should be replaced soon
because the battery is becoming weak.
005D Battery health check failed
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 message is posted when the result of the health test is below the fault
threshold. This indicates that the battery pack must be replaced. The Battery
Backup Unit becomes not ready and is unable to backup the 3ware RAID
controller.
005E Cache synchronization completed
If drive insertion causes unit to become operational this will be sent if retained
write cache data was flushed.
The 3ware RAID controller performs cache synchronization when system
power is restored following a power failure. This message is posted for each
unit when the cache synchronization completed successfully.
005F Cache synchronization failed; some data lost
The 3ware RAID controller performs cache synchronization when system
power is restored following a power failure. This message is posted when
cache synchronization was not successful for some reason.
3ware Serial ATA RAID Controller User Guide