From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | Telium Technical Support <support(at)telium(dot)io>, pgsql-general(at)lists(dot)postgresql(dot)org |
Subject: | Re: pg_ctlcluster is not stopping cluster |
Date: | 2023-04-07 22:47:17 |
Message-ID: | 5beba911-281c-685f-509a-73d7af990897@aklaver.com |
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Thread: | |
Lists: | pgsql-general |
On 4/7/23 15:27, Telium Technical Support 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?
Yes that this:
sudo -u postgres /usr/bin/pg_ctlcluster 15 main stop -- -m fast -D
/var/lib/postgresql/13/main
is not correct.
First do:
pg_lsclusters
to determine what is actually running.
Then do
sudo -u postgres /usr/bin/pg_ctlcluster <version> main stop -- -m fast
-D /var/lib/postgresql/13/main stop -m fast
for whatever version is running.
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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