raiddev /dev/md0
        raid-level      0
        nr-raid-disks   4
        persistent-superblock 1
        chunk-size     64
        device          /dev/sda1
        raid-disk       0
        device          /dev/sdb1
        raid-disk       1
        device          /dev/sdc1
        raid-disk       2
        device          /dev/sdd1
        raid-disk       3

raiddev /dev/md1
        raid-level      0
        nr-raid-disks   4
        persistent-superblock 1
        chunk-size     64
        device          /dev/sde1
        raid-disk       1
        device          /dev/sdf1
        raid-disk       0
        device          /dev/sdg1
        raid-disk       2
        device          /dev/sdh1
        raid-disk       3

raiddev /dev/md2
        raid-level      1
        nr-raid-disks   2
        persistent-superblock 0
        chunk-size     256
        device          /dev/md0
        raid-disk       1
        device          /dev/md1
        raid-disk       0