How to Resolve PRVG-1017 : NTP configuration file "/etc/chrony.conf" is present on nodes on which NTP daemon or service was not running

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PRVG-1017

Found PRVG-1017 which is related to time synchronization during pre-installation of Oracle RAC database 19c:

[grid@primary01 ~]$ cd $ORACLE_HOME
[grid@primary01 grid]$ ./runcluvfy.sh stage -pre crsinst -n primary01,primary02 -verbose
...
Verifying Network Time Protocol (NTP) ...FAILED
primary01: PRVG-1017 : NTP configuration file "/etc/chrony.conf" is present on
           nodes "primary01" on which NTP daemon or service was not running

PRVG-1017 means that NTP service daemon for cluster time synchronization is not running.

Solution

The solution is to install, enable and then start NTP service. In this case, we should enable and start chronyd service daemon in Oracle Linux 7.

[root@primary01 ~]# systemctl enable chronyd
Created symlink from /etc/systemd/system/multi-user.target.wants/chronyd.service to /usr/lib/systemd/system/chronyd.service.
[root@primary01 ~]# systemctl start chronyd

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