If $PGDATA is a mountpoint to get a filesystem, modify it to get a Listing while in the mounted filesystem. One example is: if a filesystem is mounted to /var/lib/psql/details and $PGDATA is ready to /var/lib/pgsql/facts, improve $PGDATA to /var/lib/pgsql/details/details.Should you acquire an made use of spare portion and also you check that it doe