My Oracle Support Banner

CRS-2409 messages seen from CTSS despite NTP running properly. (Doc ID 1311163.1)

Last updated on FEBRUARY 13, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Grid Infrastructure alert.log shows messages:

CRS-2409:The clock on host <hostname> is not synchronous with the mean cluster time. No action has been taken as the Cluster Time Synchronization Service is running in observer mode.

The clock is synchronized properly using Network Time Protocol(NTP) on all servers using as shown in output from:

$ cluvfy comp clocksync -n all -verbose

....
....
Result: Clock synchronization check using Network Time Protocol(NTP) passed

Oracle Cluster Time Synchronization Services check passed

Verification of Clock Synchronization across the cluster nodes was successful.

 

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.