/dev/mfi0 Configuration: 1 arrays, 1 volumes, 2 spares array 0 of 2 drives: drive 0 ( 186G) ONLINE <INTEL SSDSC1BG20 DL2E serial=BTHC621600KL200QGN> SATA drive 1 ( 186G) ONLINE <INTEL SSDSC1BG20 DL2E serial=BTHC621600KC200QGN> SATA volume mfid0 (186G) RAID-1 64K OPTIMAL <system> spans: array 0 dedicated spare 2 ( 186G) HOT SPARE <INTEL SSDSC1BG20 DL2E serial=BTHC621600KB200QGN> SATA backs: array 0 dedicated spare 3 ( 186G) HOT SPARE <INTEL SSDSC1BG20 DL2E serial=BTHC618405TN200QGN> SATA backs: array 0