METHOD, DEVICE, AND SYSTEM FOR DISASTER RECOVERY

摘要

A method and system for disaster recovery, the method comprising: configuring correspondences between operation devices and back-up devices, and configuring for each group of operating device and back-up device status message identifying whether an operation device or a back-up device is in operation; searching for the operation device in malfunction, modifying the status message corresponding to the operation device; transmitting the modified status message to all devices in the disaster recovery system, so that in the process of establishing links, each operation device or back-up device in the recovery system selects a target device for link establishment according to the operation status message.