A battery forklift includes a battery and a motor that includes a rotation shaft and is driven using the battery as a power source. Also, the present invention relates to pharmaceuticals such as an interferon inducer, antiviral agent, anticancer agent, type 2 helper T cell selective immune response inhibitor, antiallergic agent, and immune response modulator comprising the above derivative as an active ingredient. A single drive of the storage subsystem has primary and redundant storage devices with storage device interfaces.