What is the meaning of “function” field shown besides a RAID device in the “Device Manager”?
The error handle routine toward RAID group device has been refined in firmware version 4.00. It will greatly improve the stability and availability of the RAID group device once the unexpected error has occurred. Hereunder is the description toward several major states relative to a RAID group device: Ready state: it is exactly the same as the previous version of firmware (v3.40 or earlier). RAID group is now functioning correctly. “Degraded” state: it is exactly the same as the previous version of firmware (v3.0 or earlier). When one drive fails to respond during run-time or boot-time, the whole RAID group will fall into “degraded state”. You can still access this RAID group but the data stored is no longer protected by RAID. In this state, we strongly recommend you to replace this defeated drive with a new one and recover it immediately in Device Manager. “Faulty” state: a new state of RAID group is added to handle the error condition when two or more drives are defeated due to the “
