If $PGDATA is usually a mountpoint for a filesystem, change it to become a directory while in the mounted filesystem. One example is: if a filesystem is mounted to /var/lib/psql/facts and $PGDATA is about to /var/lib/pgsql/info, adjust $PGDATA to /var/lib/pgsql/knowledge/facts. After all, shielding info longevity on more than one node https://pgauto54219.bloguerosa.com/29115047/fascination-about-pgauto