You can perform a full backup operation of a ApsaraDB RDS for PostgreSQL database group.
Procedure
From the navigation pane, go to Protect > Databases.
The Instances page appears.
Click the instance.
The instance page appears.
In the Database groups table, click the database group that you want to back up.
The database group page appears.
Click Backup.
The Select backup level dialog box appears.
Under Backup level, select Full.
Click OK.
Note: By default, backup operations using DumpBased backup set do not include information about roles. This is because pg_dump utility that is used to perform DumpBased backup operation does not back up roles information. To save this information using the pg_dumpall utility, enable backups for global objects in the PostgreSQL database.