#
# Test basic DDF functionality.
#
# Create a container with 5 drives
# create a small raid0 across them all,
# then a small raid10 using 4 drives, then a 2disk raid1
# and a 3disk raid5 using the remaining space
#
# add some data, tear down the array, reassemble
# and make sure it is still there.
set -e

mdadm -CR /dev/md/ddf0 -e ddf -n 5 $dev8 $dev9 $dev10 $dev11 $dev12
mdadm -CR r0 -l0 -n5 /dev/md/ddf0 -z 5000
if mdadm -CR r0 -l1 -n2 /dev/md/ddf0 -z 5000
then echo >&2 create with same name should fail ; exit 1
fi
mdadm -CR r10 -l10 -n4 -pn2 /dev/md/ddf0 -z 5000
mdadm -CR r1 -l1 -n2 /dev/md/ddf0
mdadm -CR r5 -l5 -n3 /dev/md/ddf0
testdev /dev/md/r0 5 5000 512
testdev /dev/md/r10 2 5000 512
# r0/r10 will use 4608 due to chunk size, so that leaves 23552 for the rest
testdev /dev/md/r1 1 23552 64
testdev /dev/md/r5 2 23552 512
dd if=/dev/sda of=/dev/md/r0 || true
dd if=/dev/sda of=/dev/md/r10 || true
dd if=/dev/sda of=/dev/md/r1 || true
dd if=/dev/sda of=/dev/md/r5 || true

s0=`sha1sum /dev/md/r0`
s10=`sha1sum /dev/md/r10`
s1=`sha1sum /dev/md/r1`
s5=`sha1sum /dev/md/r5`


mdadm -Ss
mdadm -A /dev/md/ddf0  $dev8 $dev9 $dev10 $dev11 $dev12
mdadm -I /dev/md/ddf0

udevadm settle
s0a=`sha1sum /dev/md/r0`
s10a=`sha1sum /dev/md/r10`
s1a=`sha1sum /dev/md/r1`
s5a=`sha1sum /dev/md/r5`

if [ "$s0" != "$s0a" ]; then
   echo r0 did not match ; exit 1;
fi
if [ "$s10" != "$s10a" ]; then
   echo r10 did not match ; exit 1;
fi
if [ "$s1" != "$s1a" ]; then
   echo r1 did not match ; exit 1;
fi
if [ "$s5" != "$s5a" ]; then
   echo r5 did not match ; exit 1;
fi

# failure status just means it has completed already, so ignore it.
mdadm --wait /dev/md/r1 || true
mdadm --wait /dev/md/r10 || true
mdadm --wait /dev/md/r5 || true

mdadm -Dbs > /var/tmp/mdadm.conf

mdadm -Ss

# Now try to assemble using mdadm.conf
mdadm -Asc /var/tmp/mdadm.conf
check nosync  # This failed once. The raid5 was resyncing.
udevadm settle
mdadm -Dbs | sort > /tmp/mdadm.conf
sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
mdadm -Ss

# and now assemble fully incrementally.
for i in  $dev8 $dev9 $dev10 $dev11 $dev12
do 
   mdadm -I $i -c /var/tmp/mdadm.conf
done
check nosync
udevadm settle
mdadm -Dbs | sort > /tmp/mdadm.conf
sort /var/tmp/mdadm.conf | diff /tmp/mdadm.conf -
mdadm -Ss
rm /tmp/mdadm.conf /var/tmp/mdadm.conf