Patent ID: 7581126

Claim:
An information recording apparatus which forms a single logical recording apparatus by arranging a plurality of recording apparatuses in parallel, comprising: a power supply unit configured to supply power to the plurality of recording apparatuses; a rebuilding unit configured to rebuild data on an arbitrary recording apparatus of the plurality of recording apparatuses by using data on another of the plurality of recording apparatuses; a power saving unit configured to perform power saving control for the rebuilding unit on the basis of the type of power supply unit; and a remaining capacity check unit configured to check, when the power supply unit is a battery, the remaining capacity of the battery, wherein the power saving unit is configured to control the rebuilding unit on the basis of the remaining capacity of the battery checked by the remaining capacity check unit, wherein the power saving unit is configured to define a priority level of control of the rebuilding unit in rebuilding by the rebuilding unit on the basis of the remaining capacity of the battery.