chris navarroza <canavarroza(dot)work(at)gmail(dot)com> 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