| 摘要 |
When hardware failure occurs in an operation device, a provisional job executing unit of a virtual machine is allowed to temporarily execute a job until setup of a spare device as an alternative job execution device is completed. Start of operation of the virtual machine is performed in a short time by shift from a suspending state to an operating state. Therefore, execution of the job is not stopped by the hardware failure of the operation device and it is possible to improve continuity of the job and improve reliability of a redundant configuration of the job execution device in which the spare device is associated with the operation device.
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