This topic describes the data sources supported by DBS. The categories of data sources can be files and MySQL, SQL Server, PostgreSQL, Oracle, MongoDB, and Redis databases. The supported databases include Alibaba Cloud databases, self-managed databases, and databases of third-party cloud service providers.

Data sources provide the information that is required for database backup and restoration in DBS. The information includes names, categories, locations, and regions of data sources, as well as engines, accounts, and passwords of databases.

You can use one of the following methods to add data sources:

The following table describes the supported data sources.

Data source category Database engine
Alibaba Cloud databases
  • RDS SQL Server
  • RDS MariaDB
  • RDS PostgreSQL
  • PolarDB MySQL
  • PolarDB-O
  • PolarDB PostgreSQL
Self-managed databases:
  • Self-managed databases hosted on ECS
  • Self-managed databases that are connected by using public IP addresses and port numbers in the IP:port number format
  • Self-managed databases that are connected over Express Connect, VPN Gateway, or Smart Access Gateway
  • No public IP address: the self-managed database of the port that is accessed by using the database gateway
  • MySQL
    Note The batch import feature is available only for self-managed MySQL databases that are deployed over the Internet. For more information, see Add multiple data sources at a time.
  • MongoDB
  • Oracle
  • SQL Server
  • MariaDB
  • Redis
  • PPAS
  • PostgreSQL
Databases that are connected over backup gateways
Note You can connect DBS to a database server after you install a backup gateway on the database server. For more information, see Add a backup gateway.
  • MySQL
  • Oracle
  • SQL Server
  • Files