Overview
China Mobile Internet Co., Ltd. | Subsidiary of China Mobile
Country: China
Industry: Telecommunications / Internet Services
Solution: i2NAS
China Mobile Internet needed to migrate 15PB of historical user data from Tencent Cloud NAS to China Mobile Cloud NAS, with a complete verification process to ensure data consistency after migration.
Customer Challenge
- Massive-scale migration — Required transferring 15PB of data from Tencent Cloud NAS to China Mobile Cloud NAS.
- Strict verification requirements — Needed a robust comparison mechanism to verify data integrity and consistency across both platforms.
I2 Solution
- i2NAS synchronization tool — Utilized multiple sync hosts for concurrent transfers.
- In-memory data handling — Ensured data was not written to disk during migration for enhanced security and reliability.
- Visualized management interface — Centralized control over migration rules and monitoring without heavy command-line operations.
- Comprehensive verification — Built-in comparison tools to ensure source and target data match exactly.
Solution Effects
- Increased migration efficiency with multi-thread and multi-task parallel processing.
- Bandwidth throttling capability to avoid business impact during peak hours.
- Resume-from-breakpoint feature for uninterrupted migration.
- Achieved complete consistency verification between source and target data after migration.