Design And Implementation Of Data Backup And Restore System Among County Level Banks Of Jiujiang City

When the computer system is subjected to some irresistible natural disasters orhuman errors, will bring us many intangible loss. As the highest level of the recoverysystem for data storage, disaster recovery system uses remote backup method, real-timereplication and backup system data, achieves a remote service synchronization, ensuresthe security, consistency and scalability of the application system.Banking as a financial industry signs, must do all we can to ensure the security ofthe data to maintain its operational continuity. In addition to local data backup, our citycounty bank if can be combined to create a remote backup center, through the networkto a synchronous or asynchronous mode, can timely and securely transfer the data of aprimary site to the backup site. When a disaster occurs, we will only lose local nottimely transmission of data, the other available data can be recovered through thedatabase technology, greatly reduce the data loss rate. Hot backup center build, realizeone to many remote backup, has effectively solved the bank data backup problems, andreduce the bank independence builds remote backup site input, reduce the operation costof network system in bank.According to my county banks demand analysis, system uses C/S/S(Client/Manager Server/Storage) architecture to design remote data backup andrecovery system, and for DRC (subsystem) database image backup, archive log backup,the database configuration information backup, backup service time points, system,management and internal control system DRS (server terminal system) to the databaseimage restoration process, backup service, roll forward the database, systemmanagement function module design and realization are described in detail. At the sametime, the client and the backup end joined the monitoring end, responsible for databackup and recovery monitoring and management, but not actually involved in theentire data replication process, due to the adoption of a priority based non-preemptivescheduling mechanism, greatly improving the processing efficiency of system ofparallel tasks. Finally, in different network environments, the effect of data backupsystem data transmission rate and the processing time of the task two key indicators are tested, and analysis the advantages of the system.