On Tue, Nov 21, 2023 at 8:31 AM Dick Visser <dnmvis...@gmail.com> wrote:
> On Tue, 21 Nov 2023 at 14:07, Ron Johnson <ronljohnso...@gmail.com> wrote: > >> On Tue, Nov 21, 2023 at 6:29 AM Dick Visser <dnmvis...@gmail.com> wrote: >> >>> Hi >>> >>> I'm working with AWS RDS PG instances that have been created over time, >>> and that by now are a mix of several major/minor versions ranging from 12 >>> to 15. >>> The initial configuration and management is done from an EC2 instance >>> running Debian 11, which has Postrgres 13.13. >>> I already found out that there are compatibility issues if I use the >>> client programs from the Debian VM when they're older than the server >>> version. >>> >> >> Like what? >> > > For starters: > > pg_restore: error: unsupported version (1.15) in file header > > Upgrade Postgresql on the Debian 11 EC2 instance from 13.11 to 15.latest. Or install Postgresql 12, 14 and 15 alongside Pg 13. They all go in separate directories.