Based On Linux Data Backup And Recovery System Design And Implementation

With the rapid development of information technology and expanding the scope of application of the actual value, data far exceeded fixed tangible assets, their value inestimable. The current data backup and restore software companies, such as Symantec, EMC etc, have a very mature data backup and restore products, but generally have open sent, expensive, complex operation shortcomings. Therefore, in the data recovery, with the help of open source project area and low-cost backup software has a lot of research space.restore system, this system USES modular design method, concentrated local network disk mirror, consistency test, backup and restore and real-time monitoring function, achieve a long-distance backup and recovery. Among them, the paper puts forward the progressive type of data synchronization and synchronicity detection algorithm greatly improves the detection speed, disk data is on the existing basis, made some exploratory research and further improve the performance of the system.1) put forward use RAID and iSCSI configuration mode to construct a local disk data disk cache mirror;2) presented a disk data blocks of data backup and recovery operation method, proposed the data backup and restore method can easily on the network construction of low cost data recovery system, and has a variety of backup and recovery algorithm and various backup and recovery strategy and backup and restore mode;3) to achieve data backup and restore the configuration and monitoring management tools. Graphical interface, the configuration that can configure data backup and recovery tasks. Real-time monitoring data backup and restore progress, and to the backup and restore process control. The entire backup and restore process before the show in user friendly;4) presents a multithreaded synchronicities detection method, it multithreading data synchronization of the feasibility study of exploratory; 5) presented data consistency examination method, confirm the client and the server data are in consistent state, and put forward the detection algorithm and various testing mode.The proposed data consistency test method and data remote fast backup and recovery method has a speed, the network load is low, the application of transparent, low cost.