The invention relates to a
disaster recovery backup system based on a
virtual machine. The
system comprises a deploying management module, a monitoring management module, a
disaster recovery management module, a
virtual machine deploying module, a
virtual machine migration module and a virtual
machine backup module. The deploying management module, the monitoring management module, the
disaster recovery management module and the virtual
machine migration module are connected in sequence. The virtual
machine migration module and the virtual machine
backup module are connected with a virtual
resource pool respectively. The virtual
resource pool is connected with the virtual machine deploying module. The virtual machine backup module comprises a copy
server submodule, a copy engine submodule, a
heartbeat detecting submodule and an external equipment buffering submodule. The copy
server submodule and the copy engine submodule are used for transmitting a
control system process. The external equipment buffering submodule comprises network buffering and
peripheral disk storing buffering. Compared with the prior art, the fact that data are not lost, and applications are ceaseless is guaranteed, a user can have data which can be recovered at a crucial time, and customer production applications are ceaseless.