> On 16 Mar 2023, at 15:56, Dávid Suchan <david.suchan@xxxxxxxxxxxxxxx> wrote: > > So I tried upgrading into this brand new cluster I created(using initdb -D /somedatapathichose). Running the upgrade with --check worked, it returned message that the clusters are identical. Then I stopped the new cluster, and ran the pg_upgrade without --check, which resulted in another: > Checking database user is the install user pg_upgrade --check does not alter the new cluster in any way, so you must have some form of processing on your system that configured the new cluster with roles (and possibly other things) in between these runs. -- Daniel Gustafsson
