If you have more than one database in your PostgreSQL server, you may want to take a logical backup of all the databases at the same time.
Our recommendation is that you do exactly what you did for one database to each database in your cluster.
You can run individual dumps in parallel if you want to speed things up.
Once this is complete, dump the global information also using the following:
To back up all databases, you may be told you need to use the pg_dumpall utility. The following are...