Re: Upgrading from 7.4 to 8.2

On Tue, Dec 19, 2006 at 08:59:26 -0800,
  Rickard Sjöström <rickard.sjostrom@bluebottle.com> wrote:
>
> If I decide to continue with 7.4 I guess the procedure to move the DATADIR to the new machine and then start the
postgresqlserver there with the old DATADIR should work without problems? 

The new machine will need to have the same architecture and Postgres will
need to have been built with the same way for each machine. Some of the
configure options affect the format of how data is stored. Different
compilers or compiler options could also change how data is stored.