Other nodes reference the controller node for clock synchronization. Perform these steps on all other nodes.
Install the packages:
On openSUSE:
# zypper addrepo -f obs://network:time/openSUSE_13.2 network_time
# zypper refresh
# zypper install chrony
On SLES:
# zypper addrepo -f obs://network:time/SLE_12 network_time
# zypper refresh
# zypper install chrony
Note
The packages are signed by GPG key 17280DDF. You should verify the fingerprint of the imported GPG key before using it.
Key Name: network OBS Project <network@build.opensuse.org>
Key Fingerprint: 0080689B E757A876 CB7DC269 62EB1A09 17280DDF
Key Created: Tue 24 Sep 2013 04:04:12 PM UTC
Key Expires: Thu 03 Dec 2015 04:04:12 PM UTC
Edit the /etc/chrony.conf file and comment out or remove all but one server key. Change it to reference the controller node:
server controller iburst
Start the NTP service and configure it to start when the system boots:
# systemctl enable chronyd.service
# systemctl start chronyd.service
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