postgresql fail to start

Issue

postgresql fail to start, and cause evmserverd to crash.

[----] I, [2016-11-29T03:12:31.816753 #1201:e4f994] INFO -- : MIQ(PostgresAdmin.runcmd_with_logging) Running command... service rh-postgresql94-postgresql start
[----] E, [2016-11-29T03:12:32.886621 #1201:e4f994] ERROR -- : AwesomeSpawn: service rh-postgresql94-postgresql start exit code: 1
[----] E, [2016-11-29T03:12:32.886797 #1201:e4f994] ERROR -- : AwesomeSpawn: Redirecting to /bin/systemctl start rh-postgresql94-postgresql.service
Job for rh-postgresql94-postgresql.service failed because the control process exited with error code. See "systemctl status rh-postgresql94-postgresql.service" and "journalctl -xe" for