mfi0 Configuration: 1 arrays, 1 volumes, 0 spares array 0 of 2 drives: drive 4 ( 137G) ONLINE <SEAGATE ST9146803SS 3104 serial=6SD3AH8K\000\000??@> SAS drive 5 ( 137G) ONLINE <SEAGATE ST9146803SS 3104 serial=6SD3AGBY\000\000??@> SAS volume mfid0 (136G) RAID-1 64K OPTIMAL spans: array 0