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'

OS='/dev/disk/by-id/wwn-0x5000000000000000'

for d in "$D4" "$D8A" "$D8B" "$D6"; do
  echo "=== $d ==="
  lsblk -dn -o NAME,SIZE,MODEL,SERIAL "$(readlink -f "$d")"
done

echo
echo '=== OS — MUST NOT APPEAR ABOVE ==='
lsblk -dn -o NAME,SIZE,MODEL,SERIAL "$(readlink -f "$OS")"