Under CentOS7 CTDB service launch failure.-CodePudding

As title, use yum to install CTDB CentOS7, by default, there is only one version 4.9, and start the service failure directly, installation is complete,,
Log file is roughly as follows, CTDB exiting with error: Failed to run the init event, and why there will be such a line

[root @ ctdbtest1 CTDB + Samba] # cat/var/log/log CTDB
2020/03/17 05:54:02. 922961 CTDBD [11747] : CTDB starting on the node
2020/03/17 05:54:02. 923049 CTDBD [11747] : Recovery lock not set
2020/03/17 05:54:02. 923265 CTDBD [11747] : Failed to read nodes file "/etc/CTDB/nodes"
2020/03/17 05:54:02. 923306 CTDBD [11747] : Failed to load nodes file "/etc/CTDB/nodes"
2020/03/17 05:55:14. 881716 CTDBD [11761] : CTDB starting on the node
2020/03/17 05:55:14. 881771 CTDBD [11761] : Recovery lock not set
2020/03/17 05:55:15. 022361 CTDBD [11762] : Starting CTDBD (Version 4.9.1) as PID: 11762
2020/03/17 05:55:15. 023360 CTDBD [11762] : Created PID file/var/run/CTDB/CTDBD PID
2020/03/17 05:55:15. 023674 CTDBD [11762] : Listening to CTDB socket/var/run/CTDB/CTDBD socket
2020/03/17 05:55:15. 023725 CTDBD [11762] : the Set of real - time scheduler priority
2020/03/17 05:55:15. 024437 CTDBD [11762] : Starting the event daemon/usr/libexec/CTDB/CTDB eventd P - 11762 - S - 14
2020/03/17 05:55:15. 224264 CTDBD [11762] : Set runstate to INIT (1)
2020/03/17 05:55:15. 224588 CTDBD [11762] : CTDB exiting with error: Failed to run the init event
2020/03/17 05:55:15. 224607 CTDBD [11762] :
2020/03/17 05:55:15. 224645 CTDBD [11762] : CTDB daemon shutting down
2020/03/17 05:55:21. 231604 CTDB - eventd [11764] : PID 11762 gone away, exiting
2020/03/17 06:01:20. 682557 CTDBD [1191] : CTDB starting on the node
2020/03/17 06:01:20. 712923 CTDBD [1192] : Starting CTDBD (Version 4.9.1) as PID: 1192
2020/03/17 06:01:20. 713447 CTDBD [1192] : Created PID file/var/run/CTDB/CTDBD PID
2020/03/17 06:01:20. 713607 CTDBD [1192] : Listening to CTDB socket/var/run/CTDB/CTDBD socket
2020/03/17 06:01:20. 713671 CTDBD [1192] : the Set of real - time scheduler priority
2020/03/17 06:01:20. 714918 CTDBD [1192] : Starting the event daemon/usr/libexec/CTDB/CTDB eventd P - 1192 - S - 14
2020/03/17 06:01:20. 771417 CTDBD [1192] : Set runstate to INIT (1)
2020/03/17 06:01:20. 771802 CTDBD [1192] : CTDB exiting with error: Failed to run the init event
2020/03/17 06:01:20. 771829 CTDBD [1192] :
2020/03/17 06:01:20. 771852 CTDBD [1192] : CTDB daemon shutting down
2020/03/17 06:01:21. 774574 CTDB - eventd [1194] : PID 1192 gone away, exiting