set -xe

# test converting v0.90 to v1.0
# check for different levels
# check it fails for non-v0.90
# check it fails during reshape or recovery
# check it fails when bitmap is present

dlist="$dev0 $dev1 $dev2 $dev3"

for ls in raid0/4 linear/4 raid1/1 raid5/3 raid6/2
do
  s=${ls#*/} l=${ls%/*}
  mdadm -CR --assume-clean -e 0.90 $md0 --level $l -n 4 -c 64 $dlist
  testdev $md0 $s 19904 64
  mdadm -S $md0
  mdadm -A $md0 --update=metadata $dlist
  testdev $md0 $s 19904 64 check
  mdadm -S $md0
done

if mdadm -A $md0 --update=metadata $dlist
then echo >&2 should fail with v1.0 metadata
     exit 1
fi

mdadm -CR -e 0.90 $md0 --level=6 -n4 -c32 $dlist
mdadm -S $md0

if mdadm -A $md0 --update=metadata $dlist
then echo >&2 should fail during resync
     exit 1
fi
mdadm -A $md0 $dlist
mdadm --wait $md0 || true
mdadm -S $md0

# should succeed now
mdadm -A $md0 --update=metadata $dlist

mdadm -S /dev/md0
mdadm -CR --assume-clean -e 0.90 $md0 --level=6 -n4 -c32 $dlist --bitmap=internal
mdadm -S $md0

if mdadm -A $md0 --update=metadata $dlist
then echo >&2 should fail when bitmap present
     exit 1
fi