To: pgsql-admin@postgresql.org
From: Walter Hurry <walterhurry@gmail.com>
Subject: Re: Failover question
Date: Mon, 22 Apr 2013 18:11:47 +0000 (UTC)
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On Mon, 22 Apr 2013 12:06:52 -0600, Benjamin Krajmalnik wrote:

> I currently have 2 servers running PostgreSQL 9.0 under FreeBSD
> configured with streaming replication.
> 
> DB1 is the primary server, and DB2 is the replicated server, which is
> used for all of the read only queries.
> 
> I am having some hardware issues on DB1 which is affecting its
> performance, resulting in data getting queued up.
> 
> I would like to change roles on these servers, such that DB1 becomes the
> replicated server and DB2 the master server.
> 
> This is a production system, so I cannot take any chances of anything
> going wrong.
> 
> What is the correct procedure for accomplishing this?

The correct procedure is to have a test server and test standby so that 
you can test.


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