Quick Disaster Recover Method
一种快速灾难恢复方法*

A method on quick disaster recover in disaster-tolerant system is presented and realized. The technologies of quick data recover and data update are adopted. The way of quick data recover uses the method of differential copy while disk-based incremental backup technique is used to realize data update. In all, this quick disaster recover method can quicken the speed of disaster recover, decrease network payload and reduce the loss of system service.