Home > Uncategorized > [ctssd(1883)]CRS-2409:The clock on host XXXXX is not synchronous with the mean cluster time. No action has been taken as the Cluster Time Synchronization Service is running in observer mode.

[ctssd(1883)]CRS-2409:The clock on host XXXXX is not synchronous with the mean cluster time. No action has been taken as the Cluster Time Synchronization Service is running in observer mode.

November 13, 2014 Leave a comment Go to comments

Today, just finished to install Oracle 12c1 RAC on Solars 11 SPRACH. The GI alertxxxx.log showed the message below

[ctssd(1883)]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.

From the oracle support, it explained that it caused by the ntp slew_always not setup to true.

root@XXXX:~# svcprop ntp |grep slew

config/slew_always boolean false
root@XXXX:~# svccfg -s svc:/network/ntp:default setprop config/slew_always=true
root@XXXX:~# svcadm refresh ntp
root@XXX:~# svcprop ntp | grep slew
config/slew_always boolean true

Then, restart the GI for refresh ctssd.

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