Verifying Network Time Protocol (NTP) ...FAILED
CVU operation performed: stage -pre crsinst
Date: Jul 17, 2018 11:06:51 AM
CVU home: /tmp/grid/
User: grid
[root@oracle57 tmp]# systemctl status ntpd
Loaded: loaded (/usr/lib/systemd/system/ntpd.service; enabled; vendor preset: disabled)
Active: inactive (dead)
[root@oracle57 tmp]# systemctl is-enabled chronyd
enabled
[root@oracle57 tmp]# systemctl is-enabled ntpd
enabled
[root@oracle57 tmp]#
[root@oracle57 tmp]# systemctl disabled chronyd
Unknown operation ‘disabled‘.
[root@oracle57 tmp]# systemctl disable chronyd
Removed symlink /etc/systemd/system/multi-user.target.wants/chronyd.service.
[root@oracle57 tmp]# systemctl is-enabled chronyd
disabled
[root@oracle57 tmp]#
原文：http://blog.51cto.com/13798370/2145275