ApsaraDB RDS provides built-in backups for every instance. If you need any of the following capabilities, use Data Disaster Recovery to extend your backup strategy:
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Cross-account backup
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Storing backup files in your own Object Storage Service (OSS) bucket
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Automatically downloading backup files
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Encrypting backup files in transit using SSL
Feature comparison
| Scenario | Feature | RDS default backup (physical backup or snapshot) | Data Disaster Recovery (logical backup) | Tutorial |
|---|---|---|---|---|
| Perform backups | Scheduled backup | Automatically enabled; cannot be disabled | Must be manually enabled | Automatic backup |
| Incremental backup (log backup) | Supported | Supported | ||
| Back up individual databases and tables | High-performance local disk: supported; Disk: not supported. Manual backup: supported; Scheduled backup: not supported; Incremental backup: not supported | Supported | Database and table level backup | |
| Geo-redundancy (cross-region backup) | Supported | Supported | Cross-region backup | |
| Cross-account backup | Not supported | Supported | Back up and restore data across Alibaba Cloud accounts | |
| Store backup files | Store backup files in your OSS bucket | Not supported | Supported | Logical backup for RDS MySQL or self-managed MySQL |
| Download backup files | Manually download backup files | Supported | Supported | Download backup files |
| Automatically download backup files | Not supported | Supported | ||
| Encrypt backup files | Encrypt backup files at rest | Supported | Supported | Backup encryption |
| Encrypt backup files in transit using SSL | Not supported | Supported | ||
| Restore data | Restoration within seconds | Supported | Not supported | Emergency recovery for RDS MySQL |
| Restore individual databases and tables | Supported | Supported | Restore RDS default backup (database and table level) and Restore Data Disaster Recovery backup (database and table level) | |
| Restore data to an RDS instance using backup files | Supported | Supported | See Restore data |