Re: Patroni set up

Hi Dinesh, now with 5 node which server to take backup

On Wed, 2 Jul 2025, 15:49 DINESH NAIR, <Dinesh_Nair(at)iitmpravartak(dot)net>
wrote:

> Hi,
>
> In my opinion this 5-node set up is very elaborate and should work , which
> is distributed different across different seismic zone (across Mumbai
> (primary DC) and Chennai (DR site)) . Probably below mentioned parameters
> were factored when designing the system
>
>
> 1. network latency between Mumbai and Chennai
> 2. application switch over in case of fail-over and the downtime.
>
>
> Thanks
>
> Dinesh Nair
>
>
> ------------------------------
> *From:* kaido vaikla <kaido(dot)vaikla(at)gmail(dot)com>
> *Sent:* Wednesday, July 2, 2025 2:28 PM
> *To:* Raj <rajeshkumar(dot)dba09(at)gmail(dot)com>
> *Cc:* Pgsql-admin <pgsql-admin(at)lists(dot)postgresql(dot)org>
> *Subject:* Re: Patroni set up
>
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> Hi,
> Based on my opinion and setups.
> I would keep etcd cluster on separate nodes and separate data centre.
> Mumbai down means whole pg patroni cluster is down, because you dont have
> an etcd quorum. And other reasons, why create separet etcd cluster.
>
> Take a backup from leader. Leader donw means no replicas. Replica down
> does not mean leader down.
>
> br
> Kaido
>
> On Wed, 2 Jul 2025 at 10:38, Raj <rajeshkumar(dot)dba09(at)gmail(dot)com> wrote:
>
> I am looking to DR set up patroni. For 5 node set up
>
> Mumbai: Node 1: postgres+etcd+patroni
> Mumbai: Node 2: postgres+etcd+patroni
> Chennai: Node 3: postgres+etcd+patroni
>
> Mumbai: haproxy+keepalived
> Chennai: haproxy+keepalived
>
> Will this work? And I want to know in which node should I take daily
> backup. Meaning- in which node I should configure pgbackrest backup
>
>