Thanks for the assist.

But we need an active passive setup and a shared config, when config a gets a 
change be should have exact the same config.

How would you set this up ?


-----Original Message-----
From: Emmanuel Fusté <emmanuel.fu...@external.thalesgroup.com> 
Sent: 08 February 2019 12:41
To: De Petter Mattheas <mattheas.depet...@jandenul.com>; Postfix users 
<postfix-users@postfix.org>
Subject: Re: best practice for HA cluster

Le 08/02/2019 à 11:35, De Petter Mattheas a écrit :
>
> Hello
>
> Which work method do you guys prefer for ha with postfix?
>
> 2 postfix nodes with f5 load balancer active passive and shared 
> storage for the que
>
> How can you share config between active and passive ? can we use my 
> sql cluster for configuration sharing between the two nodes?
>
> Ha proxy or ha cluster with two nodes?
>
>
Complete over engineering.
For two node :
- two independent node
- MX DNS entries
- your preferred conf tool to maintain config

Never use shared storage. It will be your main source of problems.
Use properly sized and resilient nodes (raid 1/10) I never use load balancer 
under 4 nodes and always a minimum of two MX and up to four.
I always separate inbound and outbound nodes.

KISS design is the base rule for robust design.

Emmanuel.

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