set -x -e

# create arrays with non-numeric names

for i in linear raid0 raid1 raid4 raid5 raid6
do
  mdadm -CR /dev/md/$i -l $i -n 4 $dev4 $dev3 $dev2 $dev1
  check $i
  [ -d /sys/class/block/md_$i/md ]
  mdadm -S md_$i
done