Hi all,I need help on pg_upgrade from 8.4 to 9.4 version. Appreciate urgent response.Installed both version and stopped it. Do i need to run both version or only one 8.4 or 9.4 . Both should run on 50432 ?-bash-4.2$ iduid=26(postgres) gid=26(postgres) groups=26(postgres) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023-bash-4.2$ export OLDCLUSTER=/var/ericsson/esm-data/postgresql-data -- 8.4 data-bash-4.2$ export NEWCLUSTER=/var/ericsson/esm-data/postgresql-data-9.4 -- 9.4 data-bash-4.2$ /opt/rh/rh-postgresql94/root/usr/bin/pg_upgrade --old-bindir=/usr/bin --new-bindir=/opt/rh/rh-postgresql94/root/usr/bin --old-datadir=$OLDCLUSTER --new-datadir=$NEWCLUSTERconnection to database failed: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/var/run/postgresql/.s.PGSQL.50432"?could not connect to old postmaster started with the command:"/usr/bin/pg_ctl" -w -l "pg_upgrade_server.log" -D "/var/ericsson/esm-data/postgresql-data" -o "-p 50432 -c autovacuum=off -c autovacuum_freeze_max_age=2000000000 -c listen_addresses='' -c unix_socket_permissions=0700" startFailure, exitingWith Best Regards
Akshay
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