Intel RS25NB008 User Guide - Page 36

Drive State Hot Spare Failed Rebuilding Unconfigured Bad Missing Offline None Code Description HOTSP A physical drive that is configured as a hot spare. FAILED A physical drive that was originally configured as Online or Hot Spare, but on which the firmware detects an unrecoverable error. REBUILD A physical drive to which data is being written to restore full redundancy for a virtual drive. Unconfigured Bad A physical drive on which the firmware detects an unrecoverable error; the physical drive was Unconfigured Good or the physical drive could not be initialized. Missing A physical drive that was online, but which has been removed from its location. Offline A physical drive that is part of a virtual drive but which has invalid data as far as the RAID configuration is concerned. None A physical drive with an unsupported flag set. An Unconfigured Good or Offline physical drive that has completed the 'prepare for removal' operation. RAID Virtual Drive Status Table 12. RAID Virtual Drive Status Drive State Optimal Degraded Code Optimal Degraded Offline Offline Description The drive operating system is good. All configured drives are online. The drive operating condition is not optimal because one of the configured drives has failed or is offline. The drive is not available to the operating system and is unusable. 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. 26 Intel® RAID Controller RS25NB008 Hardware User's Guide