Re: Adding Additional Standby

From: Andreas Kretschmer <akretschmer(at)spamfence(dot)net>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Adding Additional Standby
Date: 2011-09-03 16:30:45
Message-ID: 20110903163045.GA12956@tux
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Andrew Hannon <ahannon(at)fiksu(dot)com> wrote:

> Hello,
>
> We have an existing master-slave setup running on 9.0. I was looking
> into adding a new hot standby into this setup — I have added a script
> that satisfies the requirements of the archive_command, but it isn't
> clear to me how to add this new standby into the mix. Is it as simple
> as calling pg_start_backup to create a new base backup and then
> starting postgresql on the new machine once the base backup has
> completed?

Yes, that's all. You should increase max_wal_senders (on the server) to
(count of clients) + reserve (maybe 3 or so)

And you need a propper recovery.conf on the new client.

Andreas
--
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect. (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°

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