hellhound@hellhound-desktop:~$ sudo mdadm --detail --scan #
mdadm: Unknown keyword set
mdadm: Unknown keyword ME=${0##*/}
mdadm: Unknown keyword MDADM=/sbin/mdadm
mdadm: Unknown keyword DEBIANCONFIG=/etc/default/mdadm
mdadm: Unknown keyword CONFIG=/etc/mdadm/mdadm.conf
mdadm: Unknown keyword MAILADDR=
mdadm: Unknown keyword test
mdadm: Unknown keyword if
mdadm: Unknown keyword else
mdadm: Unknown keyword fi
mdadm: Unknown keyword if
mdadm: Unknown keyword fi
mdadm: Unknown keyword generate=0
mdadm: Unknown keyword [
mdadm: Unknown keyword case
mdadm: Unknown keyword esac
mdadm: Unknown keyword cat
mdadm: unrecognised word on CREATE line: ${CREATE:-owner=root
mdadm: auto= arg of "yes}" unrecognised: use no,yes,md,mdp,part
        optionally followed by a number.