Failed to start PBS data service

Please help me on below issue.

After change IP of the server pbs data service not started.
changes done in /etc/hosts file

showing error:- Starting PBS PBS comm
/opt/pbs/sbin/pbs_comm ready (pid=159765), Proxy Name:shiva.local:17001, Threads:4
Creating usage database for fairshare.
PBS sched
Connecting to PBS dataservice…Failed to start PBS dataservice
…Failed to start PBS dataservice
…Failed to start PBS dataservice
continuing in background.
PBS server
touch: cannot touch ‘/var/lock/subsys/pbs’: No such file or directory

server logs

12/09/2020 10:18:53;0002;Server@shiva;Svr;Server@shiva;Starting PBS dataservice
12/09/2020 10:19:05;0002;Server@shiva;Svr;Server@shiva;PBS dataservice not running:[Connection: failed: could not connect to server: Connection refused
Is the server running on host “192.168.1.1” and accepting
TCP/IP connections on port 15007?]
12/09/2020 10:19:06;0002;Server@shiva;Svr;Server@shiva;pbs_status_db exit code 1
12/09/2020 10:19:16;0002;Server@shiva;Svr;Server@shiva;Starting PBS dataservice

DB logs
[root@shiva pg_log]# cat postgresql-Tue.log
2020-12-08 10:40:51 ISTLOG: received fast shutdown request
2020-12-08 10:40:51 ISTLOG: aborting any active transactions
2020-12-08 10:40:51 ISTLOG: autovacuum launcher shutting down
2020-12-08 10:40:51 ISTLOG: shutting down
2020-12-08 10:40:51 ISTLOG: database system is shut down
2020-12-08 14:54:53 ISTLOG: database system was shut down at 2020-12-08 10:40:51 IST
2020-12-08 14:54:53 ISTLOG: database system is ready to accept connections
2020-12-08 14:54:53 ISTLOG: autovacuum launcher started
2020-12-08 15:47:14 ISTLOG: received fast shutdown request
2020-12-08 15:47:14 ISTLOG: aborting any active transactions
2020-12-08 15:47:14 ISTLOG: autovacuum launcher shutting down
2020-12-08 15:47:14 ISTLOG: shutting down
2020-12-08 15:47:14 ISTLOG: database system is shut down

Please check
0. DNS is working correctly and /etc/hosts is correctly populated.

  1. firewall is not blocking the ports 15001 to 15009 and 17001
  2. selinux is disabled and if it is disabled now, system should be rebooted
  3. Could not create node