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From: John Scalia <jayknowsunix@gmail.com>
To: Mariel Cherkassky <mariel.cherkassky@gmail.com>
Cc: pgsql-admin@lists.postgresql.org
Subject: Re: upgrading postgresql cluster(3 nodes) to v10 without DOWNTIME
Date: Wed, 11 Jul 2018 12:06:44 -0400
Message-ID: <B026F1CB-EC28-4141-A019-2955F8FEE274@gmail.com> (raw)
In-Reply-To: <CA+t6e1nrnU8En7FLJJbchruz-NydkT=-BO-QD46chGQdFyS0tQ@mail.gmail.com>
References: <CA+t6e1nrnU8En7FLJJbchruz-NydkT=-BO-QD46chGQdFyS0tQ@mail.gmail.com>

You can do this with the pglogical extension. I asked a similar question about a week ago.
—
Jay

Sent from my iPhone

> On Jul 11, 2018, at 10:38 AM, Mariel Cherkassky <mariel.cherkassky@gmail.com> wrote:
> 
> Hi,
> I have in my company 3 postgresql nodes(v9.6) that are configured as one primary and 2 slaves. The repmgr tool is reponsible for the replication. I want to upgrade all the nodes to version 10.4. I know that PostgreSQL doesnt support streaming replication between different major versions. Did someone try this kind of upgrade without having any downtime ?
> 
> Thanks , Mariel.




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