| 摘要 |
A standby system device 200 which is connected to an active system device 100 includes a process information sharing unit 203B and a standby process management unit 203C. The process information sharing unit 203B receives active side process information indicating usage of resources of an active system process 103A operating on the active system device 100 from the active system device 100. The standby process management unit 203C terminates a standby process 203A before activating a takeover process 203D used for taking over processing of the active system process 103A when a takeover of the active system process is requested on the standby system device 200, the standby process 203A referring to the active side process information and acquiring resources in such a way that usage of resources of the standby process 203A is equal to or greater than the usage of resources of the active system process 103A.
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