Except for an absolute calamity, there is no reason to promote the hot standby to be the main server. If you need to, the general recovery steps are outlined below. There is only ONE command to do at the backup server to make it the primary server (see bottom half of page). Shut down, turn off, unplug and/or remove the main server from the network so that it is no longer active On the backup server, create the failover trigger file using the primary failover methodology (described in detail below): sudo touch /tmp/pg_failover_trigger The hot standby is now your main server. You may need to change the pg_hba.conf file as required to allow workstations to access the database. It is probably okay because it was originally copied from the main server at time of making the standby. You will only need to change the pg_hba.conf file if you added more sub-nets to the main server. Do all the work necessary to get Theatre Manager clients to point to a new database serve...