Adaptec RAID 2100S Software User's Manual page 33

The status condition is one of the following for attached devices:
Dead
Failed
Impacted
Missing
Optimal
Uninitialized
Verify
Warning
SCSI only—The SCSI Capabilities section is a list of controller
capabilities. A check mark next to a feature indicates that the drive
supports the feature.
Device failed to respond to controller commands. If the
device becomes available, it only changes status after
the system configuration is read or the host is
restarted.
Drive failure occurred.
Performance degradation in response to server I/O
requests.
Drive is physically missing or does not respond to
commands on the device bus.
Device is fully functional.
Drive is operational, but has been initialized as part of
an array.
Verify operation is being performed on the array. I/O
performance is reduced.
Imminent failure on a device with a S.M.A.R.T. failure
prediction.
Storage Manager on ROM
2-22