# create a raid0 array from 3 devices, and assemble it in a multitude of ways.
# explicitly list devices
# uuid, md-minor on command line with wildcard devices
# mdadm.conf file

mdadm -CR $md2 -l0 -n3 $dev0 $dev1 $dev2 
check raid0
tst="testdev $md2 3 $mdsize0 64"
$tst
uuid=`mdadm -Db $md2 | sed 's/.*UUID=//'`
mdadm -S $md2

mdadm -A $md2 $dev0 $dev1 $dev2  
$tst
mdadm -S $md2

mdadm -A $md2 -u $uuid $devlist 
$tst
mdadm -S $md2

mdadm --assemble $md2 --super-minor=2 $devlist 
$tst
mdadm -S $md2

conf=$targetdir/mdadm.conf
{ 
  echo DEVICE $devlist
  echo array $md2 UUID=$uuid
} > $conf

mdadm -As -c $conf $md2 
$tst
mdadm -S $md2

{ 
  echo DEVICE $devlist
  echo array $md2 super-minor=2
} > $conf

mdadm -As -c $conf $md2 
$tst
mdadm -S $md2


{ 
  echo DEVICE $devlist
  echo array $md2 devices=$dev0,$dev1,$dev2
} > $conf

mdadm -As -c $conf $md2 
$tst

echo "DEVICE $devlist" > $conf
mdadm -Db $md2 >> $conf
mdadm -S $md2

mdadm --assemble --scan --config=$conf $md2 
$tst
mdadm -S $md2

echo "  metadata=0.90 devices=$dev0,$dev1,$dev2" >> $conf
mdadm --assemble --scan --config=$conf $md2 
$tst
mdadm -S $md2


### Now for version 1...

mdadm --zero-superblock $dev0 $dev1 $dev2
mdadm -CR $md2 -l0 --metadata=1.0 -n3 $dev0 $dev1 $dev2 
check raid0
tst="testdev $md2 3 $mdsize1 64"
$tst

uuid=`mdadm -Db $md2 | sed 's/.*UUID=//'`
mdadm -S $md2

mdadm -A $md2 $dev0 $dev1 $dev2  
$tst
mdadm -S $md2

mdadm -A $md2 -u $uuid $devlist 
$tst
mdadm -S $md2

# version 1 has no super-minor
# mdadm --assemble $md2 --super-minor=2 $devlist # 
# $tst
# mdadm -S $md2

conf=$targetdir/mdadm.conf
{ 
  echo DEVICE $devlist
  echo array $md2 UUID=$uuid
} > $conf

mdadm -As -c $conf $md2 
$tst
mdadm -S $md2

#{ 
#  echo DEVICE $devlist
#  echo array $md2 super-minor=2
#} > $conf
#
#mdadm -As -c $conf $md2 
#$tst
#mdadm -S $md2


{ 
  echo DEVICE $devlist
  echo array $md2 devices=$dev0,$dev1,$dev2
} > $conf

mdadm -As -c $conf $md2 
$tst

echo "DEVICE $devlist" > $conf
mdadm -Db $md2 >> $conf
mdadm -S $md2

mdadm --assemble --scan --config=$conf $md2 
$tst
mdadm -S $md2

echo "  metadata=1 devices=$dev0,$dev1,$dev2" >> $conf
mdadm --assemble --scan --config=$conf $md2 
$tst
mdadm -S $md2