Building an Overseas Cloud Server Backup and Disaster Recovery (DR) System: The 3-2-1 Rule, Rclone Off-Site Cold Backups, and Snapshots in Practice
In production operations on overseas cloud servers (VPS), the risks of service interruption and data loss arise not only from system failures and human error but also from uncertainties including cross-border network fluctuations, upstream data center routing failures, abnormal IP connectivity, and provider lifecycle policies. Backup plans that have never been tested in practice often prove useless when a real disaster strikes.
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