/dev/mfi0 Configuration: 1 arrays, 1 volumes, 0 spares array 0 of 2 drives: drive 0 ( 932G) ONLINE <TOSHIBA MG03ACA1 FL1D serial=54U3KKO7F> SATA drive 1 ( 932G) ONLINE <TOSHIBA MG03ACA1 FL1D serial=6423KKZ9F> SATA volume mfid0 (931G) RAID-1 64K OPTIMAL <Virtual Disk 0> spans: array 0