Help Center/ Relational Database Service/ User Guide/ Working with RDS for MariaDB/ Data Backups/ Performing Backups/ Replicating a Backup
Updated on 2025-11-26 GMT+08:00
Replicating a Backup
Scenarios
RDS supports replication of automated and manual backups.
Constraints
You can replicate backups and use them only within the same region.
Backup Retention Policy
- If a DB instance is deleted, the automated backups created for it are also deleted.
- If an automated backup policy is enabled, the automated backups will be deleted after the backup retention period expires.
- RDS will delete automated backups when they expire or the DB instance for which the backups are created is deleted.
- If you want to retain the automated backups for a long time, you can replicate them to generate manual backups, which will be always retained until you delete them.
- If the storage occupied by manual backups exceeds the provisioned free backup storage, additional storage costs may incur.
- Replicating a backup does not interrupt your services.
Procedure
- Log in to the management console.
- Click
in the upper left corner of the page and choose Databases > Relational Database Service. - On the Instances page, click the instance name to go to the Overview page. In the navigation tree, choose Backups & Restorations, locate the backup to be replicated, and click Replicate in the Operation column.
- In the displayed dialog box, enter a new backup name and description and click OK.
- The backup name must consist of 4 to 64 characters and start with a letter. It can contain only uppercase letters, lowercase letters, digits, hyphens (-), and underscores (_).
- The description consists of a maximum of 256 characters and cannot contain carriage return characters or the following special characters: >!<"&'=
- After the new backup has been created, you can view and manage it on the Backups page.
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