After reading the postmaster man page, and a few other things on the web, this sounds like a problem with the postmaster server (it isn't running).
Therefore:
no postmaster.pid file
no postgresql connectivity
Try starting the postmaster server first:
Quote:
postmaster -D /usr/local/pgsql/data
or
pg_ctl start -l logfile /usr/local/pgsql/data
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substituting the actual path to your /pgsql/data directory.
