Re: Two instances of Postgres with single data directory

From: Albe Laurenz <laurenz(dot)albe(at)wien(dot)gv(dot)at>
To: "dineshkaarthick *EXTERN*" <dineshkaarthick(at)yahoo(dot)co(dot)uk>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Two instances of Postgres with single data directory
Date: 2014-11-14 10:24:16
Message-ID: A737B7A37273E048B164557ADEF4A58B17D9E481@ntex2010a.host.magwien.gv.at
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dineshkaarthick wrote:
> I would like to know how is the "Shared Disk Failover" replication achieved
> if it is not possible to share the data directory ? I am referring to the
> 1st solution in the mentioned link,
> http://www.postgresql.org/docs/9.3/static/different-replication-solutions.html

You have some cluster software that makes dead sure that one node is *not*
running the database server before starting it on the other.

Yours,
Laurenz Albe

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