On 26/01/2020 22:47, Andrus wrote: > Hi! > >> Before you do any of this I would check the Release Notes for the >> first release of each major release. Prior to version 10 that would be >> X.X.x where X is a major release. For 10+ that is X.x. I would also >> test the upgrade before doing it on your production setup. > > I want to create test transfer first, check applications work and after > that final transfer. > >> Best practice if you are going the dump/restore route is to use the >> pg_dump binary from the new server(12) to dump the old server(9.1) > > Postgres version 12 pg_dump probably cannot installed in old server > (Debian Squeeze 9).
I have it installed on my Debian 9 laptop, from the PostgreSQL apt repo: https://apt.postgresql.org Ray. -- Raymond O'Donnell // Galway // Ireland r...@rodonnell.ie