set -e

# create a raid0, re-assemble with a different super-minor
$mdadm -CR $md0 -l0 -n3 $dev0 $dev1 $dev2 
sh tests/testdev $md0 3 $mdsize0 64
minor1=`$mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
$mdadm -S /dev/md0

$mdadm -A $md1 $dev0 $dev1 $dev2 
minor2=`$mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
$mdadm -S /dev/md1

$mdadm -A $md1 --update=super-minor $dev0 $dev1 $dev2  
minor3=`$mdadm -E $dev0 | sed -n -e 's/.*Preferred Minor : //p'`
$mdadm -S /dev/md1

case "$minor1 $minor2 $minor3" in
  "0 0 1" ) ;;
  * ) echo >&2 "ERROR minors should be '0 0 1' but are '$minor1 $minor2 $minor3'"
      exit 1
esac