| 摘要 |
Embodiments disclosed herein related to a system used for disaster recovery backup. The system converts the operating system in the system preparing for disaster recovery into a virtualized system which will be disaster-recovery-ready. The system includes: a device to be converted on which a physical operating system is installed; a USB converting device which is coupled to the device to be converted, which includes a USB disc operating system, a converting unit and a virtual system, and which is used to convert the physical operating system in the device to be converted into a virtual system for making backup of the virtual system. Embodiments disclosed herein are further related to a method for disaster recovery backup and a method for installing the disaster recovery system. The disaster recovery system based on the virtualization technology may be deployed rapidly without making any changes to the physical operating system itself. After conversion, applications in the physical operating system are not influenced by the process of disaster recovery. In addition, because the running environment of virtual system after conversion and that of original physical operating system share the same physical machine, there is no unwanted influence on the virtual system after conversion caused by the difference of properties.
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