Avago Technologies 3ware 9650SE-12ML (Channel) - Manual (Page 312)

Troubleshooting
300 3ware SAS/SATA RAID Software User Guide, Version 9.5.1
You will also see this message if drive insertion causes a unit to become
operational and retained write cache data was flushed.
005F Cache synchronization failed; some data lost
Event Type
Error
Cause
The 3ware RAID controller performs cache synchronization when system
power is restored following a power failure. The cache synchronization was
not successful for some reason.
0062 Enclosure removed
Event Type
Warning.
Cause
Applies only to the 9690SA controller.
An enclosure is no longer accessible to the 9690SA RAID controller. The
likely cause is that the enclosure has been powered down or that a cable has
been unplugged.
0063 Enclosure added
Event Type
Information.
Cause
Applies only to the 9690SA controller.
An enclosure is now accessible to the 9690SA RAID controller. The likely
cause is that an enclosure connected to the controller has been powered up or
that a cable has been plugged in.