On Wed, Sep 08, 2010 at 05:57:28PM -0400, Greg Sabino Mullane wrote:
> > In case I upgrade the servers in a cluster one by one then there wont be
> > any issue with replication using slony-1.1.5 from postgres-8.1.2 to
> > postgres-8.1.21 because last digit of postgres version i.e revision is
> > same . Right ?? 
> 
> Yes, revision upgrades are very easy and require no dump and reload nor 
> worrying about Slony.

To be clear: if you don't have to do dump-and-reload, Slony doesn't
care.  If you do, you can use Slony to replicate to the new Postgres
version and then do a controlled switchover (in a maintenance
window).

A

-- 
Andrew Sullivan
ajs at crankycanuck.ca