To implement national and provincial health policies, laws and regulations, and to promote the medical and health system reform, the Municipal Health Bureau of one city plans to build a regional health information platform. The regional health information platform aims to build a municipal hospital management system data center. It revolves around construction of residents' health records information system, and sharing of hospital information system, disease prevention and control information system, health supervision information system data information, to build a data hosted network. Upward, it connects the Hainan Provincial Health Department. Downward, it extends to municipal medical and health institutions of various levels. Horizontally, it links to social security, family planning and other relevant departments. This could relate and store residents' health information, public health work information and health diagnosis information, as well as their data sharing and information utilization .

Regional health information platform collects a large quantity of health data, which is convenient for municipal health bureau to process and analyze huge amounts of data, with data center as the core, to find colonial high incidence diseases timely, and then give corresponding guide and start the control mechanism for epidemiology targetedly, by making use of business intelligence technologies including online analytical processing, data mining and data exhibition.

In health information construction of municipal health bureau, the regional health information platform plays a particularly important role. While building the platform, the disaster recovery solution that maximally ensures data security and application continuity should be planned.

 Disaster recovery demand

Oracle database is the background database of municipal health bureau's regional health information platform, and it is of top priority in entire health information platform. If the regional health information platform encounters data loss or business unavailability, it will severely impact the normal medical work of the whole city, affect residents' timely diagnosis and treatment, and also may cause great social influence.

Municipal health bureau information dept proposes to build high-level disaster solution for Oracle database, with requirement that the disaster recovery effect with RPO=0 and RTO≈0 should be realized. Whether it is a hardware failure (disk array, server), or software failures (database, operating system), it would not affect the normal running of business system, and database has zero data loss, and the entire solution achieves completely redundant protection.

For maintenance and management, the municipal health bureau puts forward that it should ensure health information platform to run safely and faultlessly, at the same time, disaster recovery solution must be convenient for system administrator’s routine management and maintenance.