Disaster Recovery System Model Research Based On Application Of Database

With the rapid development of information technology,data for all enterprises and institutions to become an important asset.The popularization of the Internet and applications,making data security under increasing threat.For example:the invasion of viruses,hackers, and so deliberate attack,coupled with man-made and natural disasters such as misoperation prevention does not guard against many of the factors that may cause the loss of computer data.Therefore,economic and practical to build a disaster recovery system(Co-think Storage Replicator, referred to as CSR) to protect data from damage,is very important.Papers from the broad and narrow point of view of disaster recovery and disaster recovery system,described the meaning that the relationship between disaster recovery and backup.Disaster recovery system in accordance with the level of disaster resistance,combined with the design of a disaster recovery backup system to be taken into account,is given a disaster recovery system performance evaluation indicators.Papers on the disaster recovery backup system for the analysis of key technologies.Several focused on Disaster Recovery technology and data replication technology,pointed out the advantages and disadvantages of various techniques,based on the logical volume copy technology disaster recovery in detail.Papers on the DAS(local backup),NAS(network backup),SAN(LAN-Free backup) program of three back-up were compared,combined with the characteristics of the campus network,design a campus network to adapt to the disaster recovery backup strategy.Disaster recovery architecture reference model,application-level disaster recovery from the point of view,building a disaster recovery system can be used for the model and the process of information transmission in the introduction of a dynamic encryption technology to ensure data security,the realization of a disaster backup system design from a theoretical model to simulate the whole process of practice.