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From: Kevin Grittner <kgrittn@ymail.com>
To: Wells Oliver <wellsoliver@gmail.com>
To: gilberto.castillo@etecsa.cu <gilberto.castillo@etecsa.cu>
Cc: pgsql-admin@postgresql.org <pgsql-admin@postgresql.org>
Subject: Re: Creating new cluster by copying directory?
Date: Thu, 11 Jul 2013 13:48:50 -0700 (PDT)
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Wells Oliver <wellsoliver@gmail.com> wrote:

> So it's safe to copy the files in /var/lib/postgresql/9.1/main to
> /var/lib/postgresql/9.1/test while main is running?

As long as you copy the whole $PGDATA tree while the source cluster
is stopped, or use PITR recovery techniques:

http://www.postgresql.org/docs/9.2/interactive/backup.html

Of course, the machines must be of the same architecture.

--
Kevin Grittner
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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