User`s guide

28 Intel® RAID Controller RS2SG244 Hardware User’s Guide
RAID Virtual Drive Status
Table 13. RAID Virtual Drive Status
RAID Controller Drive Limitations
Only drives that comply with the SAS and SATA specification extensions are supported.
SAS Bus and ID Mapping
Devices on the SAS bus are persistently mapped based on a SAS address.
Drive State Code Description
Optimal Optimal The drive operating system is good. All config-
ured drives are online.
Degraded Degraded The drive operating condition is not optimal
because one of the configured drives has failed
or is offline.
Offline Offline The drive is not available to the operating system
and is unusable.