Re: Migrate streaming replication 9.4 to 9.6

From: Guillaume Lelarge <guillaume(at)lelarge(dot)info>
To: Iñigo Salvat <inigo(at)isalvat(dot)es>
Cc: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Migrate streaming replication 9.4 to 9.6
Date: 2018-02-16 07:18:43
Message-ID: CAECtzeUD_2ndPzMehvR-BEGQ0X+NPJhwBBA_ncmgd=yonN_H2g@mail.gmail.com
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Hi,

2018-02-16 7:16 GMT+01:00 Iñigo Salvat <inigo(at)isalvat(dot)es>:

> Hi all,
>
> I need to migrate a couple of servers running postgresql 9.4 been syncro
> with streaming replication to postgresql 9.6. Obviously the service could
> not be stopped.
>
> Does any of you test to syncro data via streaming replication from a
> source in 9.4 and a target in 9.6?
>
> Do you have a "howto" tested?
>
>
You can't. Streaming replication requires you use the same major version on
all the nodes.

--
Guillaume.

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