def METHOD_NAME(test, params, env):
    """
    Backup VM disk test when VM reboot
    1) start VM with two data disks
    2) create target disks with qmp command
    3) format data disks in guest
    4) do snapshot to target disks in transaction mode
    5) dd file on data disks
    6) shutdown VM
    7) boot VM with target disks
    :param test: test object
    :param params: Dictionary with the test parameters
    :param env: Dictionary with test environment.
    """
    base_image = params.get("images", "image1").split()[0]
    params.update(
        {"image_name_%s" % base_image: params["image_name"],
         "image_format_%s" % base_image: params["image_format"]})
    snapshot_multi_disks = BlockdevSnapshotMultiDisksTest(test, params, env)
    snapshot_multi_disks.run_test()