| 摘要 |
PROBLEM TO BE SOLVED: To reduce an influence on a user when a failure occurs and to smoothly cope with the failure when the failure occurs, while avoiding an increase in facility cost.SOLUTION: When abnormality occurs in a certain active system in virtual machines managed by three constituents including active systems in which applications are operated, standby systems in which specific applications are not operated and the specific applications are on standby, and reserve systems not associated with the specific applications, a management system 10 performs a series of control to refer to an application table holding association information among the active system, the standby system, and the application, to specify the standby system associated with the application of the active system in which abnormality has occurred, and to switch the specified standby system to the active system in which the application is operated. |
