Message-Id: <5.1.0.14.2.20010718181510.0282f740@pop.planetcable.net>
Date: Wed, 18 Jul 2001 18:28:08 -0400
To: Fran Fabrizio <ffabrizio@mmrd.com>, pgsql-general@postgresql.org
From: Adam Manock <abmanock@planetcable.net>
Subject: Re: replication?
In-Reply-To: <3B55F205.441C92E4@mmrd.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"; format=flowed

Hi,

from:   http://www.postgresql.org/idocs/index.php?backup.html  :
"pg_dump -h host1 dbname | psql -h host2 dbname"

You could run this out of cron on your internal DB server (host1)

And use a firewall rule like:

# Allow internal DB server to use TCP for DB dumps
pass in quick proto tcp from ip_of_host1 to ip_of_host2 port = 5432 flags 
S/FSRPAU keep state

The rule above is for IP Filter http://coombs.anu.edu.au/~avalon/

Adam


At 04:31 PM 7/18/01 -0400, Fran Fabrizio wrote:

Does postgres support replication?  I think this is the feature I need.
I have a table in one db that I need to use from another db on another
machine.  The first db is behind two firewalls (for a good reason =) and
the second needs to be hung out on the internet, so I can't really use
the same db.  But I would like to have the table on the internet Pg
install to be updated whenever the master table behind the firewalls is
updated.  It doesn't need to be real-time, but maybe once every hour or
half hour.  I certainly have no problem cheating and just copying a file
over or something if that will work.  I looked through the docs but
didn't see anything about replication in the Administrator manual, where
I assume it'd be discussed.  I did see a vague reference to a
replication toolkit in the release notes, is this what I'm looking for?

Thanks,
Fran