Re: postgres service can't restart/start

You rapidly confuse the systemd process if you manually start/stop/restart PostgreSQL by hand. Always use the service or systemctl command for doing anything.

—
Jay

Sent from my iPad

> On Dec 5, 2019, at 10:31 AM, Pepe TD Vo <pepevo(at)yahoo(dot)com> wrote:
>
> 
> yes I do have a righ systemd service file named 'postgresql-11' and its located /usr/lib/systemd/system/
>
> Here what I did so far after make install.
>
>
>
> mkdir /usr/local/pgsql/log
>
> Run
>
> ./usr/local/pgsql/bin/pg_ctl –D /postgres_data/pgsql/data –l /usr/local/pgsql/log/logfile start
>
> psql
>
> in the psql shell
>
> psql# create user replica replication login encrypted password ‘replicauser(at)’;
>
> psql# alter user postgres password ‘password(at)’;
>
>
>
> configure postgresql.conf:
>
> port = 5432
>
> unix_socket_directorys = ’tmp’
>
> max_files_per_process = 1000
>
> listen_addresses = ‘localhost, 192.168.2.122 ‘ à (master-server-ip)
>
> wal_level = replica
>
> max_replication_slots = 10
>
> archive_mode = on
>
> archive_command = ‘cp –I %p /u02/postgres/main/archive/%f’
>
> max_wal_senders = 10
>
> wal_keep_segments = 64
>
>
>
> for pg_hba.conf, I added:
>
> local all postgres md5 à authenticate postgres
>
> host replication replica 192.##.##.##/32 md5 à master-server
>
> host replication replica 192.##.##.##/32 md5 à slave-server
>
>
>
> $ mkdir –p /u02/postgres/main/archive
>
> $ systemctl restart postgresql
>
> === AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
>
> Autehtication is required to manage system services or units.
>
> Authenticating as: sysmaint
>
> Password:
>
> === AUTHENTICATION COMPLETE ===
>
> Job for postgresql-11.service failed because the control process existed with error code. See “systemctl status postgresql-11.service” and “journalctl –xe” for details.
>
> For the status, it complained about /usr/lib/systemd/system/postgresql-11.service; disabled; vendor preset: disabled_
>
> Active: failed (Result: exit-code) since date: time
>
> Process:10188 ExecStartPre=/usr/pgsql-11/bin/postgresql-11-check-db-dir ${PGDATA} (code=existed, status=1/FAILURE)
>
>
>
> I un-commented data_directory and correct the path to postgresql.conf per SA suggested and still get the same error above
>
> data_directory = ‘/postgres_data/pgsql/data/’ --> data folder is on shared drive.
> hba_file = ‘/postgres_data/pgsql/pg_hba.conf’
>
>
>
> still prompt for the user’s password even I am logging as postgres os user.
>
> the binary (postgres_home) = /usr/local/pgsql/ should owned by root:root, right?
>
> The problem I think but not sure I am right, I found there’s another source on /usr/pgql-11/bin existed on the server. When the SA installed the OS Patch, the server had postgres-9.6. I can run any date for Postgresql 11. He applied OS Patches updated, removed 9.6 and yum the postgresql11-11.1-1PGDG.rhel7.x86_64.rpm successful, configure, make and make install and start the postgresql service without error until the configuration of pg_hba.conf and postgresql.conf. The restart service failed.
>
> Wonder if I can remove /usr/pgql-11 or not but not sure which one is the corrected binaries. Comparing with the single node postgres server I did last year, the /usr/local/pgsql sounds convinced right binaries one but /usr/pgsql-11 have more functions.
>
>
> Bach-Nga
>
> No one in this world is pure and perfect. If you avoid people for their mistakes you will be alone. So judge less, love and forgive more.
> To call him a dog hardly seems to do him justice though in as much as he had four legs, a tail, and barked, I admit he was, to all outward appearances. But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
>
> **Live simply **Love generously **Care deeply **Speak kindly.
> *** Genuinely rich *** Faithful talent *** Sharing success
>
>
> On Wednesday, December 4, 2019, 05:59:20 PM EST, Matthew Tice <mjtice(at)gmail(dot)com> wrote:
>
>
> Do you have a systemd service file named `postgres-11`? If so, what are the contents of it and the location of the file on the file system?
>
> On Wed, Dec 4, 2019 at 1:39 PM Pepe TD Vo <pepevo(at)yahoo(dot)com> wrote:
> the permission and owner are right. to add the authentication into the pg_hba.conf but when I try to start up the postgres, it prompts me for password logged in, even I logged in directly from postgres os user not su from root and/or another os user.
> ==== AUTHENTICATING FOR org.freedesktop.systemd1.manage-units ===
> Authentication is required to manage system services or units.
> Authenticating as: user1
> Password:
> ==== AUTHENTICATION COMPLETE ====
> Failed to start postgres-11.service: unit not found
> SA worked around with me and still can't start the postgresql service.
> Bach-Nga
>
> No one in this world is pure and perfect. If you avoid people for their mistakes you will be alone. So judge less, love and forgive more.
> To call him a dog hardly seems to do him justice though in as much as he had four legs, a tail, and barked, I admit he was, to all outward appearances. But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
>
> **Live simply **Love generously **Care deeply **Speak kindly.
> *** Genuinely rich *** Faithful talent *** Sharing success
>
>
>> On Wednesday, December 4, 2019, 02:36:21 PM EST, Isaías Sánchez <isaias(dot)sanchez(dot)l(at)gmail(dot)com> wrote:
>>
>>
>> Verify file permission is right, sometimes if you edit a conf file it changes owner and access permission
>>
>> En 4 de diciembre de 2019 18:55:38 Pepe TD Vo <pepevo(at)yahoo(dot)com> escribió:
>>
>> Hi experts,
>>
>> I am trying to install Postgresql 11.1 replication master-slave. The configure, make and make install went well. Initdb to the shared drive and psql are up and running. After configured pg_hba.conf and postgresql.conf, I can't restart the service and/or reload. Error is:
>> ATHENTICATING for org.freedesktop.systemd1.manage-units ---
>> Athentication is required to manage system services or units.
>> authenticating as :user1
>> Password:
>> -- ATHENTICATION COMPLETE --
>> Failed to start psotgres-11.service: unit no found.
>>
>> I worked around and add the postgres on pg_hba.conf and using pg_ctl to reload the service. Postgres server stopped but can't start, it complained about checkpoint_segments which I have set its to 8.
>>
>> Working with SA to reconfigure the authenticating and the server reaching out and getting authenticaion from org.freedesktop.systemd1.nanage-units. How can I by pass this issue and bring the postgres up?
>>
>>
>> Bach-Nga
>>
>> No one in this world is pure and perfect. If you avoid people for their mistakes you will be alone. So judge less, love and forgive more.
>> To call him a dog hardly seems to do him justice though in as much as he had four legs, a tail, and barked, I admit he was, to all outward appearances. But to those who knew him well, he was a perfect gentleman (Hermione Gingold)
>>
>> **Live simply **Love generously **Care deeply **Speak kindly.
>> *** Genuinely rich *** Faithful talent *** Sharing success
>
>