in accordance with a computer program product , apparatus and a method there is provided a redundant network wherein a host computer operates with a plurality of storage devices by monitoring conditions of the multipath storage network and controlling a storage multipath device driver in conjunction with an associated storage multipath device input / output pending queue to increase i / o throughput to a storage device driver , such as a disk device driver , when i / o demand increases , and to decrease i / o throughput to the storage device driver in the event of an i / o error condition .