set -e

# create a small raid1 array, make it larger.  Then make it smaller

$mdadm -CR $md0 --level raid1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3 
$check wait
$check state UUU
sh tests/testdev $md0 1 $[size/2] 1

$mdadm --grow $md0 --size max
$check resync
$check wait
sh tests/testdev $md0 1 $mdsize0 1

$mdadm --grow $md0 --size $[size/2]
$check nosync
sh tests/testdev $md0 1 $[size/2] 1

$mdadm -S $md0

# same again with version 1.1 superblock
$mdadm -CR $md0 --level raid1 --metadata=1.1 --raid-disks 3 --size $[size/2] $dev1 $dev2 $dev3 
$check wait
$check state UUU
sh tests/testdev $md0 1 $[size/2] 1

$mdadm --grow $md0 --size max
$check resync
$check wait
sh tests/testdev $md0 1 $[size-1] 1

$mdadm --grow $md0 --size $[size/2]
$check nosync
sh tests/testdev $md0 1 $[size/2] 1

$mdadm -S $md0