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From: Imran Khan <[email protected]>
To: Tayyab Fayyaz <[email protected]>
Cc: Chris Lee <[email protected]>
Cc: pgsql-admin <[email protected]>
Subject: Re: repmgr cannot bring up the standby database after switchover manaully
Date: Wed, 1 Oct 2025 13:12:40 +0300
Message-ID: <CAC4eXDgNZM12t8OgKYhjbu_7NFcsu0qG5aTpdXmbN=fmmp-5Tw@mail.gmail.com> (raw)
In-Reply-To: <CAFVRaQ3No2rEYjkuKsxNNMCP16_J_kjDm_pv0+CYwTLXsjE8OQ@mail.gmail.com>
References: <CAP0GqH7hYsFGmLg3Ge-_Lf_VEeES8yeHpOhSvn071=XRnmVxTw@mail.gmail.com>
	<CAFVRaQ3No2rEYjkuKsxNNMCP16_J_kjDm_pv0+CYwTLXsjE8OQ@mail.gmail.com>

Hi Tayyab,

 Is this a default behavior? We have 4 nodes cluster but never had issue in
switchovers.

Thanks,
Imran

On Wed, Oct 1, 2025, 1:10 PM Tayyab Fayyaz <[email protected]> wrote:

> Hello Chris,
>
> I faced this issue it will not add automatically as standby you have to
> add it manually.
>
> But I wrote a script which perform to add old primary as standby once it's
> back online.
>
> Tayyab
>
>
> On Wed, 1 Oct 2025, 3:02 pm Chris Lee, <[email protected]> wrote:
>
>> Hi all,
>>
>> I have 2 postgresql servers. One is the primary and another one is the
>> standby. I am trying to setup repmgr to do the switchover manually.
>> Passwordless ssh have been setup for postgres ID on both servers.
>>
>> I use this command "repmgr standby switchover --log-level=DEBUG
>> --verbose". The standy database is able to promote to be the primary. For
>> the previous primary database, it was shutdown. It was not able to bring up
>> as standby by repmgr.
>>
>> Does anyone encounter this issue before? Thanks a lot for any suggestions.
>>
>> Here is my OS and DB versions:
>>
>> OS version: CentOS Stream release 8
>> Postgres DB version:  15.12
>> rempmgr version: 5.5.0
>>
>> Here is the repmgr conf files:
>> >>>>>
>> node_id=1  # Use 2 on standby
>> node_name='primary'
>> conninfo='host=centos804 user=repmgr dbname=repmgr password=xxx
>> connect_timeout=15'
>> use_primary_conninfo_password=true
>> data_directory='/var/lib/pgsql/15/data'  # Adjust for your setup
>> pg_bindir='/usr/pgsql-15/bin'
>> service_start_command = 'sudo systemctl start postgresql-15'
>> service_stop_command  = 'sudo systemctl stop postgresql-15'
>> <<<<<
>>
>> >>>>>
>> node_id=2  # Use 2 on standby
>> node_name='standby'
>> conninfo='host=centos803 user=repmgr dbname=repmgr password=xxx
>> connect_timeout=15'
>> use_primary_conninfo_password=true
>> data_directory='/var/lib/pgsql/15/data'  # Adjust for your setup
>> pg_bindir='/usr/pgsql-15/bin'
>> service_start_command = 'sudo systemctl start postgresql-15'
>> service_stop_command  = 'sudo systemctl stop postgresql-15'
>> <<<<<
>>
>> Regards,
>> Chris
>>
>

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