Re: pg_ctl can't start db server

On 6/1/20 12:04 AM, Tanja Savic wrote:
> Hi,
> 
> @Tom Adding -D in command worked. I just used
> pg_ctl start -D [data-directory ]

You would be better off using the tools provided to manage clusters with 
the Ubuntu/Debian packaging:

https://wiki.debian.org/PostgreSql

So as I mentioned previously:

sudo pg_ctlcluster 12 main stop

sudo pg_ctlcluster 12 main start

The wrapper script that drives the above takes care of the below.

> 
> PGDATA was not set permanently although I tried to set it (with postgres user):
> export PGDATA=" /var/lib/postgresql/12/main"
> 
> @Adrian It's Ubuntu and output of pg_lsclusters was this:
> 12  main    24538 online postgres /var/lib/postgresql/12/main /var/log/postgresql/postgresql-12-main.log
> 
> Thank you for your replies.
> BR,
> Tanja
> 
> -----Original Message-----
> From: Tom Lane <tgl@sss.pgh.pa.us>
> Sent: Friday, May 29, 2020 5:32 PM
> To: Tanja Savic <tanja.savic@crossmasters.com>
> Cc: pgsql-general@lists.postgresql.org
> Subject: Re: pg_ctl can't start db server
> 
> Tanja Savic <tanja.savic@crossmasters.com> writes:
>> The configuration file path is /etc/postgresql/12/main/ postgresql.conf and it is configured in
/var/lib/postgresql/12/main/postmaster.opts:
> 
>> "/usr/lib/postgresql/12/bin/postgres "-D" "/var/lib/postgresql/12/main" "-c"
"config_file=/etc/postgresql/12/main/postgresql.conf"
> 
>> Why does pg_ctl complains about the postgresql.conf path?
> 
> I don't remember the exact interaction between -D and an explicit config_file setting, but evidently it's not working
theway you wish.
 
> See
> 
> https://www.postgresql.org/docs/current/runtime-config-file-locations.html
> 
> which suggests that you should use -D to point at the directory where postgresql.conf is, and set the data directory
witha parameter within postgresql.conf.
 
> 
> (Note that pg_ctl probably only understands this way, even though theoretically the postmaster can deal with other
approachesto setting up an external config file.)
 
> 
>             regards, tom lane
> 


-- 
Adrian Klaver
adrian.klaver@aklaver.com