def METHOD_NAME(cls, name, params):
    """
    Define logical storage pool object by test params,
    initial status of the pool is dead.
    :param params:  pool params object
    :param name: storage pool name
    :return StoragePool object
    """
    pool = cls.find_pool_by_name(name)
    if pool:
        return pool
    driver = cls._find_storage_driver(params["storage_type"])
    pool = driver.METHOD_NAME(name, params)
    pool.refresh()
    state.register_pool_state_machine(pool)
    cls.__pools.add(pool)
    return pool