3Ware 9650SE-2LPML User Manual page 272

Chapter 12. Troubleshooting
005C Battery is weak
005D Battery health check failed
005E Cache synchronization completed
262
Event Type
Warning
Cause
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.
Action
Replace the battery pack if warnings persist.
Event Type
Error
Cause
The Battery Backup Unit is not able to backup the 3ware RAID controller.
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.
Action
Replace the battery pack. The BBU cannot presently backup the controller.
Event Type
Information
Cause
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 completes successfully.
You will also see this message if drive insertion causes a unit to become
operational and retained write cache data was flushed.
3ware Serial ATA RAID Controller User Guide