def METHOD_NAME(disk_id):
    """
    Enables the disk so it can be used
    :param disk_id: disk id cssid.ssid.devno, e.g. 0.0.5000
    :raises: TestError if can't use disk
    """
    cmd = "chzdev -d %s" % disk_id
    err, out = cmd_status_output(cmd, shell=True)
    if err:
        raise TestError("Couldn't disable dasd '%s'. %s" % (disk_id, out))