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Overview
China Mobile Reading Base
Country: China
Industry: Telecommunications / Digital Content
Solution: i2Active Real-Time Data Replication
China Mobile Reading Base operates two production and backup data centers in Hangzhou (Sandun and Binjiang), managing a massive content library with over 4 billion TB of data (as of November 2017) and 2 billion files, with more than 10GB of daily data growth. The challenge was to replicate content library files in real time from the Sandun production center to the Binjiang backup center without interrupting live reading services, while also supporting elastic expansion and disaster recovery drills.
Customer Challenge
- Massive scale — Tens of billions of files, multi-billion-terabyte storage capacity, and daily incremental growth.
- Heterogeneous storage — Primary and backup centers used different storage platforms.
- Zero business impact — Replication needed to occur without disrupting live mobile reading services.
- Future-proof — Solution had to support disk/server expansion and DR drill requirements.
I2 Solution
Info2soft deployed real-time incremental replication to replicate data files to backup NAS storage.
Data flow process:
- Application modifies data at the production center.
- Info2soft intercepts changes and transmits them to the backup site.
- Data is stored in real time at the backup data center.
- Replication supported heterogeneous storage without requiring downtime during deployment, ensuring dynamic and seamless synchronization.
Solution Effects
- Successfully implemented disaster recovery for massive-scale data files.
- Extremely low source-end resource usage — CPU consumption at only ~3%.
- High replication efficiency and speed due to optimized incremental synchronization.
- Superior data comparison algorithm ensured reliability during network issues or storage maintenance.
- Deployment and operation required no business interruption, providing a fast, stable, and convenient DR capability.
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