China Unionpay Co., Ltd.

Daili Li

Wei Lv

Xudong Tang

Ye Lian

The application provides a method for data reading and writing processing, data center, disaster recovery system and storage medium. The method includes receiving, by a first data center, a data reading request including a first user identification; determining, in response to the data reading request, whether a writing user identification set stored in the first data center includes the first user identification, the writing user identification set including user identifications corresponding to data writing requests; and under a condition that the writing user identification set includes the first user identification, forwarding the data reading request to a second data center, to read, in the second data center, data to be read as indicated by the data reading request, the second data center being configured to receive and process a data writing request sent by a user terminal or forwarded by the first data center.

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Shanghai, China

Daili Li