chris navarroza <canavarroza.work@xxxxxxxxx> writes: > could not connect to source postmaster started with the command: > "/usr/pgsql-12/bin/pg_ctl" -w -l "pg_upgrade_server.log" -D > "/home/dmartuser/pgdata/data" -o "-p 50432 -b -c > config_file=/var/lib/pgsql/12/data/postgresql.conf -c listen_addresses='' > -c unix_socket_permissions=0700 -c unix_socket_directories='/tmp'" start > Failure, exiting Did you look into the postmaster log (pg_upgrade_server.log, here) to see what it thought about the problem? I'm guessing there's something that kept it from starting, but there's no evidence offered here about what. regards, tom lane