Marek Dabrowski <marek.dabrowski@infor.pl> writes:
> I've server with two addresses IP on one net interface. I would like
> start on it two instances postgresql, eg: 192.168.1.2:5432 (7.4.6) and
> 192.168.1.3:5432 (8.0.2). But when try to start second one, postmaster
> write error that /tmp/.s.PGSQL.5432.lock alredy exist. How to avoid this
> problem?
Use two different port numbers.
regards, tom lane