Time Sync issue seen in one Server in Oracle Big Data Appliance (BDA) v2.2.1

(Doc ID 1662839.1)

Last updated on APRIL 16, 2014

Applies to:

Big Data Appliance Integrated Software - Version 2.2.1 and later
Linux x86-64

Symptoms

One of the data nodes in Cloudera Manager is showing a "clock offset" warning.

Running # dcli -C date command shows the following:

# dcli -C date
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:29 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:24 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014
xx.xxx.x.xx: Tue Apr  1 10:36:28 CDT 2014

 

Running dcli -C -x /opt/oracle/bda/network/bdasettime helps sync the nodes time but then gets out of sync again in only a few hours.

Cause

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