Hartmut Goebel <h.goebel@goebel-consult.de> wrote:
> If upgraded the rpm-packages from 8.3 to 8.4. Then postgres failed
> starting (something like "Database version mismatch").
You need to be running the old server using 8.3 software and while
using pg_dump from 8.4 software. Does your packager provide some
way to install the new version at a different location? If not, is
there a separate machine on which you could install 8.4?
-Kevin
