China Mobile Internet Co., Ltd.

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.