set -e

# create a raid5, fail and remove a drive during initial sync
# Add two more, fail and remove one
# wait for sync to complete, fail, remove, re-add

$mdadm -CR $md0 -l5 -n4 $dev0 $dev1 $dev2 $dev3 
$check recovery
$mdadm $md0 --fail $dev3 
$check nosync
$check state UUU_

$mdadm $md0 --add $dev4 $dev5 
$check recovery
$check wait
$mdadm $md0 --fail $dev0 
$mdadm $md0 --remove $dev3 $dev0 
$check recovery
$check state _UUU

$mdadm $md0 -a $dev3 
$check recovery
$check wait
$check state UUUU

$mdadm -S $md0