Chris Bowlby <excalibur@hub.org> writes:
> psql: FATAL 1: The data directory was initialized by PostgreSQL version
> 7.2, which is not compatible with this version 7.1.3.
You may think you have installed 7.2, but you are clearly trying to
execute a 7.1.3 server. Check the PATH used by the start script...
regards, tom lane