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Cloud Backup:Cross-region Data Backup

Last Updated:Mar 03, 2026

Alibaba Cloud products support cross-region data backup, enabling you to back up or replicate data to other regions. This capability helps meet disaster recovery and compliance audit requirements. This topic summarizes cross-region backup solutions and documentation for various products.

Quick reference

Product/Category

Solution

Databases

Cross-region backup for RDS, PolarDB, and MongoDB

OSS

Cross-region replication (CRR) within the same account or across accounts

Elastic Compute Service (ECS) and Elastic Block Storage (EBS)

Cross-region snapshot copy

MaxCompute

Access data across regions using OSS external tables

KMS

Cross-region credential migration

File Storage NAS (NAS)

Cross-region data migration

Tablestore

Cloud Backup (HBR)/Export to MaxCompute

Container Service for Kubernetes (ACK)

Cluster backup, recovery, and cross-region migration

Databases

Note

The cross-region backup feature for the Dubai and Saudi Arabia regions is undergoing an expedited launch.

Cloud Product

Solution

Documentation

RDS MySQL

Cross-region backup

Cross-region backup

RDS PostgreSQL

Cross-region backup

Cross-region backup

RDS SQL Server

Cross-region backup

Cross-region backup

PolarDB MySQL

Cross-region backup

Release notes on commercial user of cross-region backup

MongoDB

Cross-region backup

Cross-region backup

OSS

Solution

Documentation

CRR

Cross-region replication

CRR within the same account

CRR within the same account

CRR across accounts

CRR across accounts

ECS and EBS

Solution

Documentation

Replicate ECS instances across regions using custom images

Replicate ECS instances across regions using custom images

Server migration guide

Server migration guide

Create cloud disk snapshots

Manually create a single snapshot

Copy snapshots across regions

Copy snapshots

MaxCompute

Solution

Documentation

Access data across regions using OSS external tables

OSS external tables

KMS

Solution

Documentation

Cross-region credential migration

Manage cross-region synchronization

NAS

Solution

Documentation

NAS data migration

Data migration

Tablestore

Note

The cross-region backup feature for the Dubai and Saudi Arabia regions is undergoing an expedited launch.

Solution

Documentation

Cloud Backup (HBR) backup

Backup and recovery

Export to MaxCompute using DataWorks

Export full data to MaxCompute

ACK

Solution

Documentation

Back up and recover applications within a cluster

Back up and recover applications within a cluster

Migrate applications across clusters within the same region

Migrate applications across clusters within the same region

Migrate applications across clusters across regions

Migrate applications across clusters across regions