Re: Two started cluster on the same data directory and port

On 11/30/23 07:23, Adrian Klaver wrote:
> On 11/30/23 05:37, Loles wrote:
>> Hi!
>>
>> I have this situation on a server that is giving me problems.
>>
>> postgres(at)hostname:~$ pg_lsclusters
>> Ver Cluster  Port Status Owner    Data directory              Log file
>> 14  main     5432 online postgres /var/lib/postgresql/14/main
>> /var/log/postgresql/postgresql-14-main.log
>> 14  main_old 5432 online postgres /var/lib/postgresql/14/main
>> /var/log/postgresql/postgresql-14-main_old.log
>>
>> How can I stop, even delete, the main_old cluster?
>
> Assuming you are on  Debian/Ubuntu.
>
> 1) sudo pg_ctlcluster stop 14 main_old
>
>     This will stop the server for this session
>
> 2) sudo vi  /etc/postgresql/14/main_old/start.conf
>
>     Change auto to manual.
>     This will keep the server from restarting on reboot.
>     You can still start it using
>      sudo pg_ctlcluster start 14 main_old
>     Though if you want to do that then:
>         vi /etc/postgresql/14/main_old/postgresql.conf
>      and change port to something other then 5432.
>
> 3) If you have determined you really don't need that server and have all
> the data safely backed up or moved to the other server, then(THIS IS NOT
> REVERSIBLE):
>
>     sudo pg_dropcluster 14 main_old

Blaming it on not enough coffee, but I just noticed both clusters are
pointing at the same data directory. I would NOT do:

sudo pg_dropcluster 14 main_old

>
>>
>> Thanks!
>>
>

--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com