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From: Ashish Karalkar <ashishka@synechron.com>
To: Avi Blackmore <support@satshot.com>
Cc: pgsql-admin@postgresql.org
Subject: Re: Replicating between different Slony versions?
Date: Thu, 26 Feb 2009 10:41:29 +0530
Message-ID: <49A62481.3080204@synechron.com> (raw)
In-Reply-To: <96E0A3B9-4860-4151-BEE2-1B5983D3434F@satshot.com>
References: <96E0A3B9-4860-4151-BEE2-1B5983D3434F@satshot.com>

Avi Blackmore wrote:
> Hi folks,
>     
> I'm working on migrating our database cluster from PostgreSQL 8.1 to 
> 8.3.  I'm following the "dump and restore, then use Slony to 
> replicate" procedure, to minimize downtime.  The problem is, the new 
> 2.0 version of Slony-I does not support anything prior to 8.3, so I 
> have to install different versions of Slony-I.
>
> My question is, is this even feasible?  Or would I be better off 
> installing Slony-I 1.x on my 8.3 cluster, and then upgrading it after 
> the migration?
>
> I ask first because I am extremely skittish about experimenting with a 
> production database cluster.  :-)
>
> Thanks,
> -- 
> Avi Blackmore
> Head Programmer/System Administrator
> Agri ImaGIS Technologies, Inc.
>
>
>
>
>
Yes, You should go for Slony-I 1.x, Two different version of slony on 
master and slave will not work.

With Regards
--Ashish



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