Re: System (and DB) upgrade problem., "part 2"

On Mon, 2021-01-18 at 05:33 +0100, W.P. wrote:
> For 9.5 to 9.6 transition, it worked like charm. (except some problems
> with parsing json data in a view, but this I will address later, after
> upgrade to final version - Fedora 30, probably PG 10.x).
>
> Now I have problem with 9.6 -> 10.7 (Fedora 27 -> 28) upgrade.
> As expected after system upgrade, database fails to start "files
> incompatible with binaries".
>
> Found pg_upgrade, command line options "-b
> /usr/lib/pgsql/postgresql-9.6/bin -B /usr/bin -d /var/lib/pgsql/data/"
> BUT what should I put for option -D? ("new cluster data") Was
> (directory) already created for me (during system upgrade), or have I to
> create it somewhere (where? is best practice).
>
> There are NO logs for today trial to start in
> /var/lib/pgsql/data/pg_log/. Where they could be?

You would call "initdb" or "postgresql-10-setup" to create a new, empty
cluster in version 10 and use that with -D.

Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com