Patent US 7,978,355

A job scheduling device that sequentially stores jobs, for which processing requests were received from terminals, in a queue and sequentially processes the jobs held in the queue using a job execution section having a plurality of queues provided corresponding to a status of a sequential job process, a scheduling unit that schedules the jobs using the plurality of queues, wherein each job has associated job information which includes job status information, and a recovery unit that recovers the status of each of the jobs being held in the plurality of queues.