[root@mgr wzluo]# pbs_server
Connecting to PBS dataservice…Failed to start PBS dataservice
..Failed to start PBS dataservice
之后，我尝试执行/etc/init.d/pbs restart，还是报错
[root@mgr wzluo]# /etc/init.d/pbs restart
Restarting PBS
Could you please provide the output of “ps -ef | grep pbs” on your headnode? It’s possible there is another instance of the PBS data service already running. If you are certain this is not the case, you could try removing the lock file and restarting PBS.
in configurations of dataservice for pbspro to store the lock file within $PBS_HOME
http://www.softpanorama.org/HPC/PBS_and_derivatives/PBSpro/Installation/issues_with_postgressql.shtml