Design and implementation of remote disaster tolerant system

A remote disaster tolerant system is designed and implemented.The remote backup is implemented by monitoring local data changes and sending changed data to remote backup server on the Internet,the disaster recovery is implemented by writing the backup data to local storage server.Production server's disaster recovery data are saved in local storage server,it accesses the data via iSCSI technology.System provides several data synchronization and recovery strategies,a graphical web configuration management platform,and supports various operating systems.