FYI, both Jonathan and I have now tested this on additional machines and have been unable to reproduce the issue, so it seems like something odd happened on my original upgrade rather than a general issue.
Apologies for the noise. On Mon, Nov 16, 2020 at 9:27 AM Dave Page <dp...@pgadmin.org> wrote: > Hi, > > This is more of a head-ups than anything else, as I suspect this may come > up in various forums. > > The PostgreSQL installers for macOS (from EDB, possibly others too) create > the data directory in /Library/PostgreSQL/<major_ver>/data. This has been > the case since the first release, 10+ years ago. > > It looks like the Big Sur upgrade has taken it upon itself to "fix" any > filesystem permissions it doesn't like. On my system, this resulted in the > data directory having 0755 permissions, which meant that PostgreSQL refused > to start. Manually changing the permissions back to 0700 (0750 should also > work) fixes the issue. > > I'm not sure there's much we can do about this - systems that are likely > to be affected are already out there, and we obviously don't want to relax > the permissions Postgres requires. > > -- > Dave Page > Blog: http://pgsnake.blogspot.com > Twitter: @pgsnake > > EDB: http://www.enterprisedb.com > > -- Dave Page Blog: http://pgsnake.blogspot.com Twitter: @pgsnake EDB: http://www.enterprisedb.com