A coffin for use in an alkaline hydrolysis processes described. At this time, the control section judges whether the message signal includes a sender identification code or a consecutive transmission code. The soft power fail operation including: signaling a power fail condition to a first plurality of controllers on the storage device, where the first plurality of controllers correspond to the first section of the storage device, transferring data held in volatile memory of the storage device to non-volatile memory of the storage device, and removing power from the first plurality of controllers.