You can use Slony to replicate between different major versions.
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-------- Original message --------
From: Bruce Momjian <bruce@xxxxxxxxxx>
Date: 6/16/17 16:18 (GMT-05:00)
To: Paul Jones <pbj@xxxxxxxxxx>
Cc: pgsql-general@xxxxxxxxxxxxxx
Subject: Re: [GENERAL] Upgrade method from 9.2 to 10 ?
> Would it be possible to upgrade from 9.2 to 10 by doing a pg_basebackup
> to the new server, followed by pg_upgrade -k, then streaming replication
> from the 9.2 server to the 10 server until we're ready to cut over to 10?
>
> The idea is to minimize downtime.
You can't use streaming replication between different major versions.
--
Bruce Momjian <bruce@xxxxxxxxxx> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ As you are, so once was I. As I am, so you will be. +
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