Re: How to move a 11.4 cluster to another Linux host, but empty?

From: Matthias Apitz <guru(at)unixarea(dot)de>
To: Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>
Cc: Paul Förster <paul(dot)foerster(at)gmail(dot)com>, Matthias Apitz <guru(at)unixarea(dot)de>, pgsql-general <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: How to move a 11.4 cluster to another Linux host, but empty?
Date: 2020-05-02 18:58:23
Message-ID: 20200502185823.GA3774@c720-r342378
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El día sábado, mayo 02, 2020 a las 08:23:52a. m. -0700, Adrian Klaver escribió:

> On 5/2/20 8:02 AM, Paul Förster wrote:
> > Hi Adrian,
> >
> >> On 02. May, 2020, at 16:59, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> wrote:
> >> 2) To create a new base/ you will need to initdb data/ and that is not possible as initdb will not work on a populated data/.
> >
> > you do the initdb and then copy the *.conf files from the tar over the newly created ones. After that, launch the cluster.
>
> Yeah I know, I do that on a fairly regular basis. The intent was to let
> the OP know that ripping base/ out of cluster and transplanting a new
> one in is not possible.

OK, lesson learned: Next time I will do a tar backup of PGDATA after
the configuration of the cluster and before creating any database in it.

Thanks

matthias

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Matthias Apitz, ✉ guru(at)unixarea(dot)de, http://www.unixarea.de/ +49-176-38902045
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