On Dec 21, 2007, at 11:09 AM, Martijn van Oosterhout wrote:
> The usual answer is use slony. You can use it to replicate the 8.0
> server onto an 8.1 server. This may take weeks/months/years/whatever
> to
> synchronise. When the slave is up to date, you pull the plug on the
> 8.0
> server and get everyone to use the 8.1 server... No downtime...
>
except he has large objects, which slony can't replicate.