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From: Chris Lee <[email protected]>
To: Imran Khan <[email protected]>
To: Tayyab Fayyaz <[email protected]>
Cc: pgsql-admin <[email protected]>
Subject: Re: repmgr cannot bring up the standby database after switchover manaully
Date: Wed, 1 Oct 2025 18:30:20 +0800
Message-ID: <CAP0GqH7oRXztf1Ti13usH9CEgBmMJ4mPMsOn+qacD8Adi+Dxew@mail.gmail.com> (raw)
In-Reply-To: <CAC4eXDgNZM12t8OgKYhjbu_7NFcsu0qG5aTpdXmbN=fmmp-5Tw@mail.gmail.com>
References: <CAP0GqH7hYsFGmLg3Ge-_Lf_VEeES8yeHpOhSvn071=XRnmVxTw@mail.gmail.com>
	<CAFVRaQ3No2rEYjkuKsxNNMCP16_J_kjDm_pv0+CYwTLXsjE8OQ@mail.gmail.com>
	<CAC4eXDgNZM12t8OgKYhjbu_7NFcsu0qG5aTpdXmbN=fmmp-5Tw@mail.gmail.com>

Hi Tayyab,

Thanks for your information . I also want to find out whether that is the
default behavior,  or I am not configuring repmgr correctly.

Regards,
Chris

On Wed, 1 Oct 2025, 18:12 Imran Khan, <[email protected]> wrote:

> 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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