1. A control device comprising: a processor setting unit configured to identify, among a plurality of processors included in an information processing system, each of the processors being connected to one or more memories, a processor connected to a memory storing resumption data for resuming the information processing system and to activate the identified processor, in response to a resumption request for resuming the information processing system from hibernation; a resumption data reading unit configured to read the resumption data from the memory that stores the resumption data; and a resumption processing unit configured to resume the information processing system by using the read resumption data.