Re: Reuse an existing slot with a new initdb

From: Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>
To: Support <admin(at)e-blokos(dot)com>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Reuse an existing slot with a new initdb
Date: 2020-05-13 20:24:19
Message-ID: 48434f500ee2bf9572e6bbff143be073114f8c42.camel@cybertec.at
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On Wed, 2020-05-13 at 06:18 -0700, Support wrote:
> On 5/8/2020 1:51 PM, Support wrote:
> > I normalized my replislots with the name of my nodes.
> > I have 2 options in my recovery script that tries first pg_basebackup
> > to recover and sync the hot standby, but unfortunately big DB fails
> > sometimes due
> > to very slow or unstable network. So my second option is to completely
> > make a new inidb and import an sql file from pg_dumpall master as it
> > takes less bytes once compressed. But I'm facing an issue with the
> > slot complaining (obviously) about the ho standby node that does not
> > match the slot identifier. So my question is simple, is there a way to
> > reinitialize the slot to not renew the identifier with the new hot
> > standby initdb?
>
> No one has an answer to my question?

That may be because your question is hard to understand.

You cannot create a standby server using "pg_dumpall", so it is
unclear what exactly you are doing here.

Also, it is not clear what error message you get.

Yours,
Laurenz Albe
--
Cybertec | https://www.cybertec-postgresql.com

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