"Patrick Brennan" <patrick.brennan@bsdfirst.com> writes:
> Hopefully a simple question. I have a copy of the data from an old
> PostgreSQL installation (it's not a dump, it's a copy of the PGDATA
> directory). I have two questions, is there a simple way for me to
> determine the version of PostgreSQL that this data belongs to?
Read the PG_VERSION file that appears at the top level.
> Secondly, is there anyway to import this data into PostgreSQL 8.0
> without need to run a 7.x postmaster?
No. You need to run a matching 7.x postmaster and do pg_dumpall.
regards, tom lane