Unusual Problem?

I'm a new Linux user, RH6.0.  PostgreSQL-6.4.2-3.  The package was
installed when I installed the RH cd.

This is the error message I get on startup: (linuxconf log)

Executing: /etc/rc.d/rc5.d/S85postgesql start   * /usr/bin/postmaster does not find the database system.  Expected
to find it in the PGDATA directory "/var/lib/pgsql" , but unable to open
the
file with pathname "/var/lib/pgsql/base/template1/pg_class".   *   * no data directory -- can not proceed   > starting
postgresqlservice: postmaster []
 

Any help you can provide me would be appreciated.  I just assumed that
the RPM install would have created all the necessary files and
directories I needed.

Thanks

Tim Potier