Re: pg_rewind and replication user

Hey,
If you would look into docs
https://www.postgresql.org/docs/current/app-pgrewind.html on the "Notes"
section you will find a list of permissions that user needs to have to be
able to run pg_rewind.

Cheers,
Mateusz

śr., 1 lut 2023, 15:09 użytkownik Wiwwo Staff <wiwwo(at)wiwwo(dot)com> napisał:

> Hi!
> Provided my replication user created with
> CREATE USER repl_user REPLICATION LOGIN ENCRYPTED PASSWORD'....';
>
> If I run pg_rewing referring to this user
> postgres(at)host1:~: pg_rewind -D $PGDATA --source-server="host=nre_primary
> port=5432 user=repl_user passfile='/var/lib/postgresql/.pgpass'
> dbname=postgres" -P -R
>
> I get
> pg_rewind: connected to server
> pg_rewind: error: could not fetch remote file "global/pg_control": ERROR:
> permission denied for function pg_read_binary_file
>
> My question/doubt is: i can need to run pg_rewind referring to a superuser
> only? Or i am "just" forgetting some grant to the replication user?
>
> Thanks!
>
>