Re: Point in time recovery + replication

From: German Becker <german(dot)becker(at)gmail(dot)com>
To: Viktor <viktor(at)okservers(dot)eu>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Point in time recovery + replication
Date: 2013-05-10 12:39:48
Message-ID: CALyjCLvC+yYoCqytfLtN=_GHGjZ5G+5Hq2FO=MJwusHh_49nHA@mail.gmail.com
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Hi Viktor,
Yes that is the usual procdure* *I use. The question was, since the primary
is starting from a backup and then "diverting" to a new timeline, if there
was a way to make the secondary start from the same backup and then follow
the primary. I'm gessing the answer is no....

On Fri, May 10, 2013 at 4:25 AM, Viktor <viktor(at)okservers(dot)eu> wrote:

> Hei,
>
> I think, that it can be done just via RSYNC with stopped both of databases:
>
>
> http://www.debian-administration.org/article/How_to_setup_Postgresql_9.1_Streaming_Replication_Debian_Squeeze
>
> Just like in the "*Getting it working*" part.
>
>
>
> On 5/9/2013 6:45 PM, German Becker wrote:
>
> Hello Everyone,
>
> I have a primary / hot standby scenario with streaming replication.
> Postgres version is 9.1.8.
>
> A full backup is made nightly on the primary and copied to the
> secondary, just for backup purposes, the replication is never stopped
> /restarted.
>
> Supose that for a reason I need to restore the primary to a point in
> time, let's say just after the last backup. I've done this by:
>
> 1) stoping de databese
> 2)restoring the backup
> 3) creatng a recovery.conf where I specified a recovery_target accordingly
> 4) start the database
>
> This works fine on the primary. The quesion is how do I restart the
> replication on the secondary, on the new timeline?
>
> I tried to restore the same backup on the secondary and starting
> the continuous recovery, but it starts on the previous timeline.
> I also tried to set the recovery_target_timeline in the secondary to the
> new timeline, but I get an error. Do I need to get a new copy of the
> primary to continue the replication?
>
>
>

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