Hi All,

The overview is great!

I am evaluating Slony as a potential replication solution for our production environment (Linux / Postgres 7.4.2) and I've been creeping around the past couple of weeks reading all the postings.  I have been successful (I think) in configuring our environment for a simple master --> single slave replication scenario.  We would ultimately want to be able to add slave nodes and possibly cascade the replication for disaster recovery purposes; most likely replicate to a backup machine also.

Where I'm running into a little trouble is actually having a process for starting and monitoring the replication.  Someone had mentioned in a previous posting a request for Nagios monitoring, which (coincidentally) is what we're using here :-).  If I understand correctly, it is really just a matter of returning one of three values indicating service status: ok, warning, or fatal results.

Can anyone give me some guidance in configuring the environment from an operations point-of-view?

Kind Regards,
Sean Kirkpatrick

-----Original Message-----
From: slony1-general-bounces at gborg.postgresql.org
[mailto:slony1-general-bounces at gborg.postgresql.org]On Behalf Of Thomas
F.O'Connell
Sent: Wednesday, September 29, 2004 8:25 AM
To: Justin Clift
Cc: Slony Mailing List
Subject: Re: [Slony1-general] Diagram of internal workings


Definitely useful. I think it's rare when more documentation isn't a 
good thing!

-tfo

On Sep 29, 2004, at 1:13 AM, Justin Clift wrote:

> Hi all,
>
> I'm going through the slon code, drawing out the steps it takes for 
> things.
>
> http://www.slony.org/slon_overview.pdf
> http://www.slony.org/slon_overview.sxd (the source document, OOo 
> format)
>
> It's a high level overview of slon's main steps, and I'll add more 
> diagrams drilling down into the main bits soon.
>
> Is this kind of document useful for people?
>
> Regards and best wishes,
>
> Justin Clift

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