Many thanks. I followed these  steps and it fixed my clock offset issue.   * verified/updated the /etc/ntp.conf file to be the same across the cluster * stopped the ntp daemon: /etc/init.d/ntpd stop * connected to the ntp server named in the ntp.conf file: ntpupdate <ntp_server> * started the ntp daemon: /etc/init.d/ntpd start * added ntpd to the startup manager: chkconfig add ntpd * set ntpd to start in default reunlevels: chkconfig ntpd on ... View more