D4='/dev/disk/by-id/wwn-0x5000c500fde02343'
D8A='/dev/disk/by-id/wwn-0x5000c500e70446ad'
D8B='/dev/disk/by-id/wwn-0x5000c500ebf2cd37'
D6='/dev/disk/by-id/wwn-0x5000c500929c8d02'

echo
echo '=== WIPE OLD LVM DRIVES ==='
for d in "$D4" "$D8A" "$D8B" "$D6"; do
  echo "Wiping $d"
  wipefs --all --force "$d"

  parted --script "$d" \
    mklabel gpt \
    mkpart primary ext4 1MiB 100%
done

partprobe
udevadm settle

echo
echo '=== VERIFY DRIVES ==='
lsblk -o NAME,SIZE,MODEL,SERIAL,FSTYPE

echo
echo '=== BUILD FILESYSTEMS ==='
mkfs.ext4 -m 0 -L banshee-4tb  "${D4}-part1"
mkfs.ext4 -m 0 -L banshee-8a   "${D8A}-part1"
mkfs.ext4 -m 0 -L banshee-8b   "${D8B}-part1"
mkfs.ext4 -m 0 -L banshee-6tb  "${D6}-part1"

echo
echo '=== VERIFY FILESYSTEMS ==='
lsblk -f
blkid