# Make a raid1,  add a device, then remove it again.

mdadm -CR $md0 -l1 -n2 -x1 $dev0 $dev1 $dev2
check resync
check wait
check state UU

mdadm --grow $md0 -n 3
check recovery
check wait
check state UUU

mdadm $md0 --fail $dev0
check state _UU

mdadm --grow $md0 -n 2
check state UU

mdadm -S $md0
# same again for version-1


mdadm -CR $md0 -l1 -n2 -e1.2 -x1 $dev0 $dev1 $dev2
check resync
check wait
check state UU

mdadm --grow $md0 -n 3
check recovery
check wait
check state UUU

mdadm $md0 --fail $dev0
check state _UU

mdadm --grow $md0 -n 2
check state UU

mdadm -S $md0