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At present, the Chinese telecom companies are more and more dependent on the information center. However, due to various factors, small general hardware failure, to regional natural disasters, can cause total paralysis of the entire information center, leading the business operations to a standstill. Telecom enterprises urgently need to build from the information disaster recovery center to ensure data security and business continuity applications. After the completion of the construction of disaster recovery center, once the formal data center disaster or system failure, the data center can not work properly, then you can enable the disaster recovery center to take over the work of the data center, continuing to maintain production and services, to avoid greater losses. This thesis from data synchronization, application switching, disaster recovery network three information Disaster Recovery Center. Data synchronization, the following four disaster recovery solutions: Data Guard, GoldenGat, IBM PPRC-XD, EMC SRDF / A assessment, and in accordance with their respective advantages and disadvantages of the study concluded. Taking into account in the telecommunications enterprises, data security, and not to lose is the most important, and therefore recommend the use of the IBM PPRC-XD, EMC SRDF / A Smart stored data synchronization. Application switching technology by studying DNS configuration database domain connection, simplifying disaster recovery switching operation, improve disaster recovery switching speed; needs analysis model and server processing power to determine the needs of the disaster recovery center Host Configuration. On the network side, access networks from metro data network, the storage network, operating room and other interface network in four areas studied separately, under different circumstances. After given the true story of the construction of Shanghai Mobile Disaster Recovery Center. By analyzing the actual situation of the mobile information center in Shanghai to develop a suitable recovery time objective (RTO) and recovery point goals (RPO), and considering the requirements of the disaster recovery system stability, validity and application system switching fast timeliness and other requirements, the design goal of building a mobile disaster recovery center in Shanghai and programs, according to the results of previous studies, selected EMC SRDF / A data synchronization between the disaster recovery center and production center. For different disaster situations, and establish a run of six sets of disaster recovery center program. Finally, after the completion of the disaster recovery center construction by the conduct of the disaster recovery switch drill, confirmed that the Disaster Recovery Center to design the required recovery time objective (RTO) and recovery point goals (RPO).
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