Personalities : [raid1] read_ahead 1024 sectors md3 : active raid1 hdc5[0] hdd5[1] 115113600 blocks [2/2] [UU] md2 : active raid1 hdc3[0] hdd3[1] 20482752 blocks [2/2] [UU] md1 : active raid1 hdc2[0] hdd2[1] 20482752 blocks [2/2] [UU] md0 : active raid1 hdc1[0] hdd1[1] 208704 blocks [2/2] [UU] unused devices: