--- In ib-support@y..., "Ann W. Harrison" <aharrison@i...> wrote:

> The fact that we can't run two versions of the server
> on a single machine is another problem.

Good day/night, Ann. There is article (in Russian :)
http://www.krista.ru/ib/chroot.html
about running some different IB/FB servers simultaneously on the same
machine.
Idea is creating "separated file systems" by chroot and some tricks
around port 3050. If you are interested, I can ask author contact you.

Best regards.