CentOS7下CTDB服务启动一直失败。

[dandanfengyun]

如题，CentOS7使用yum 安装 ctdb。默认只有一个4.9版本。。。安装完成启动服务直接失败。。。
日志文件大致如下。 ctdb exiting with error: Failed to run init event。。为什么会出现这么一行

[root@ctdbtest1 CTDB+Samba]# cat /var/log/log.ctdb
2020/03/17 05:54:02.922961 ctdbd[11747]: CTDB starting on 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 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]: Set real-time scheduler priority
2020/03/17 05:55:15.024437 ctdbd[11762]: Starting 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 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 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]: Set real-time scheduler priority
2020/03/17 06:01:20.714918 ctdbd[1192]: Starting 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 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