Re: pg_ctlcluster is not stopping cluster

I wonder if the best way to proceed would be to go on to individual nodes
in the cluster and use OS level commands (such as ps) to track individual
processes and stop them individually.

On Fri, Apr 7, 2023 at 6:27 PM Telium Technical Support <support(at)telium(dot)io>
wrote:

> I am string to stop my PostgreSQL (on debian 11) server using the
> following command
>
>
>
> root(at)d11:/# sudo -u postgres /usr/bin/pg_ctlcluster 15 main stop -- -m
> fast -D /var/lib/postgresql/13/main
>
> Notice: extra pg_ctl/postgres options given, bypassing systemctl for stop
> operation
>
> pg_ctl: PID file "/var/lib/postgresql/13/main/postmaster.pid" does not
> exist
>
> Is server running?
>
>
>
> The notice is correct, the is no such postmaster.pid file in that
> directory, but yes the service is running. I can confirm it's running with:
>
>
>
> root(at)d11:/# sudo -u postgres /usr/bin/pg_ctlcluster 15 main status -- -D
> /var/lib/postgresql/13/main
>
> pg_ctl: server is running (PID: 2701882)
>
> /usr/lib/postgresql/15/bin/postgres "-D" "/var/lib/postgresql/13/main"
> "-c" "config_file=/etc/postgresql/15/main/postgresql.conf"
>
>
>
> So why is my stop command being ignored? (I tried without the -m fast
> option but no change, and I'd like to keep that for other reasons). I
> confirmed with 'ps ax' that postgresql 15 is running, despite the directory
> suggesting it might be 13. Coincidentally, there is a postmaster.pid file
> in a directory OTHER than the data directory:
>
>
>
> /var/lib/postgresql/15/main/postmaster.pid
>
>
>
> (and notice the 15). Is this a clue?
>
>
>