CRS-2409 messages seen from CTSS despite NTP running properly.

(Doc ID 1311163.1)

Last updated on SEPTEMBER 25, 2017

Applies to:

Oracle Database - Enterprise Edition - Version and later
Information in this document applies to any platform.


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.



Sign In with your My Oracle Support account

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

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms