def METHOD_NAME():
    """
    1) Do blockcopy with --xml option to destination image
    with luks and slices.
    2) Check backingchain list and slice offset and size
    """
    test.log.info("TEST_STEP1: Do blockcopy")
    virsh.blockcopy(vm_name, target_disk,
                    blockcopy_options.format(dest_xml.xml),
                    debug=True, ignore_status=False)
    test.log.info("TEST_STEP2: Check backingchain and slice value")
    check_result()