Creation ======== .. warning:: Only use partitions, never whole devices, otherwise assembly will fail after reboot! RAID 0 ------ .. code:: shell mdadm --create /dev/md0 --level=0 \ --raid-devices=2 /dev/sd[bc]1 RAID 1 ------ .. code:: shell mdadm --create /dev/md0 --level=1 \ --raid-devices=2 /dev/sd[bc]1 RAID 5 ------ .. code:: shell mdadm --create /dev/md0 --level=5 \ --raid-devices=3 /dev/sd[b-d]1