Database Backup (DBS) allows you to back up data and log files across regions. This topic describes the geo-redundancy solutions provided by DBS to back up different types of databases.
Pricing
- If you configure cross-region backup tasks in the ApsaraDB RDS console, you are charged for backup storage, traffic for cross-region data transmission, and traffic that is generated when you download backup files over the Internet. For more information, see the following references corresponding to each database engine:
- For information about how to configure cross-region backup tasks for ApsaraDB RDS for MySQL databases that use local SSDs, see Use the cross-region backup feature of an ApsaraDB RDS for MySQL instance.
- For information about how to configure cross-region backup tasks for ApsaraDB RDS for SQL Server databases that use standard SSDs or enhanced SSDs (ESSDs), see Enable the cross-region backup feature for an ApsaraDB RDS for SQL Server instance.
- For information about how to configure cross-region backup tasks for ApsaraDB RDS for PostgreSQL databases that use local SSDs, see Use the cross-region backup feature for an ApsaraDB RDS for PostgreSQL instance.
- If you configure cross-region backup tasks in the DBS console, you are charged for the used resources of DBS instances and backup storage. For more information, see Billing overview.
MySQL or MariaDB databases
Engine type | Recommended solution | Description | Benefit |
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ApsaraDB RDS for MySQL databases | We recommend that you run cross-region backup tasks in ApsaraDB RDS. | You can configure cross-region backup tasks in the ApsaraDB RDS console. For more information, see Use the cross-region backup feature of an ApsaraDB RDS for MySQL instance. |
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| We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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SQL Server databases
Engine type | Recommended solution | Description | Benefit |
---|---|---|---|
ApsaraDB RDS for SQL Server databases that use standard SSDs or ESSDs | We recommend that you run cross-region backup tasks in ApsaraDB RDS. | You can configure cross-region backup tasks in the ApsaraDB RDS console. For more information, see Enable the cross-region backup feature for an ApsaraDB RDS for SQL Server instance. |
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| We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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PolarDB for Oracle databases
Engine type | Recommended solution | Description | Benefit |
---|---|---|---|
PolarDB for Oracle databases | We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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PostgreSQL databases
Engine type | Recommended solution | Description | Benefit |
---|---|---|---|
ApsaraDB RDS for PostgreSQL databases that use local SSDs | We recommend that you run cross-region backup tasks in ApsaraDB RDS. | You can configure cross-region backup tasks in the ApsaraDB RDS console. For more information, see Use the cross-region backup feature for an ApsaraDB RDS for PostgreSQL instance. |
|
| We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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Oracle databases
Engine type | Recommended solution | Description | Benefit |
---|---|---|---|
| We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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NoSQL databases
Engine type | Recommended solution | Description | Benefit |
---|---|---|---|
| We recommend that you run logical backup tasks in DBS. | You can back up databases across regions over the Internet. For more information, see Implement geo-redundancy for a self-managed database. |
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More scenarios
- Create a sandbox instance for the emergency disaster recovery of an ApsaraDB RDS for MySQL database
- Back up and restore data across Alibaba Cloud accounts