Status of drive. Possible values:

0 - "OK", the drive is ok;
1 - "Fail", the drive has failed;
2 - "Rebuild", the drive is being rebuilt;
3 - "PredictiveFailureAnalysis", the drive is still working but predicted to fail soon;
4 - "Hotspare", the drive is marked to be automatically rebuilt and used as a replacement for a failed drive;
5 - "InACriticalArray", the array that this drive is a part of is degraded;
6 - "InAFailedArray	", the array that this drive is a part of is failed;
10 - "Unknown", the drive status is unknown.