Suppose my barman server is installed on PG version 9.6.is Postgres 13 version server. Can we configure on Barman the server running on 9.6.is it compatible?
BARMAN is a backup tool, so it does not need the Postgres database to install it. Barman documentation gives information about which minimum version of Postgres it supports, and accordingly, you need to install BARMAN software. However, it’s always advisable to use the latest version of BARMAN.