On Fri, Jun 5, 2009 at 10:20 AM, <hans at welinux.cl> wrote:
> Hi,
>
> For various reasons i was forced to rebuild a complete cluster. Currently i have two nodes, master and slave and there are many clients accessing the slave node, hence one of the restrictions was to "interrupt the service the minimum posible".

How about installing a Postgres proxy on the slave node on port 5432
that forwards connections to the master, then rebuild the DB running
on a different port.  Then when it is rebuilt just turn off the proxy
and rest the server to the default postgres port on the slave.