mfi0 Configuration: 1 arrays, 1 volumes, 1 spares array 0 of 2 drives: drive 0 ( 137G) ONLINE <TOSHIBA MK1401GRRB DB08 serial=8460A025FQ86> SCSI-6 drive 1 ( 137G) ONLINE <TOSHIBA MK1401GRRB DB08 serial=8460A031FQ86> SCSI-6 volume mfid0 (136G) RAID-1 64K OPTIMAL <OS> spans: array 0 global spare 2 ( 137G) HOT SPARE <TOSHIBA MK1401GRRB DB08 serial=74I0A097FQ86> SCSI-6