2013-0X-XX 19:27:17.609
[ctssd(18809056)]CRS-2409:The clock on host XXXdb1 is not synchronous with the mean cluster time. No action has been taken as the Cluster Time Synchronization Service is running in observer mode.
2013-0X-XX 19:59:42.312
[ctssd(18809056)]CRS-2409:The clock on host XXXdb1 is not synchronous with the mean cluster time. No action has been taken as the Cluster Time Synchronization Service is running in observer mode.

XXXdb1:/u01/app/11.2.0.3/grid/log/XXXdb1$ssh XXXdb2 date
Mon Jul 15 20:30:17 GMT+08:00 2013
 
XXXdb1:/u01/app/11.2.0.3/grid/log/XXXdb1$date
Mon Jul 15 20:30:18 GMT+08:00 2013

XXXdb1:/# lssrc -ls xntpd
Program name: /usr/sbin/xntpd
Version: 3
Leap indicator: 00 (No leap second today.)
Sys peer: 10.XXX.XXX.71
Sys stratum: 2
Sys precision: -18
Debug/Tracing: DISABLED
Root distance: 0.000397
Root dispersion: 0.013458
Reference ID: 10.XXX.XXX.71
Reference time: d58e6e41.d0fca000 Mon, Jul 15 2013 20:49:05.816
Broadcast delay: 0.003906 (sec)
Auth delay: 0.000122 (sec)
System flags: bclient auth pll monitor filegen
System uptime: 30149695 (sec)
Clock stability: 0.047607 (sec)
Clock frequency: 0.000000 (sec)
Peer: 10.XXX.XXX.71
flags: (configured)(sys peer)
stratum: 1, version: 3
our mode: client, his mode: server
Subsystem Group PID Status
xntpd tcpip 4128900 active

XXXdb1:/#su - grid
XXXdb1:/home/grid$ crsctl stat res ora.ctssd -init
NAME=ora.ctssd
TYPE=ora.ctss.type
TARGET=ONLINE
STATE=ONLINE on XXXdb1

XXXdb1:/home/grid$cluvfy comp clocksync -n all -verbose
Verifying Clock Synchronization across the cluster nodes
Checking if Clusterware is installed on all nodes...
Check of Clusterware install passed
Checking if CTSS Resource is running on all nodes...
Check: CTSS Resource running on all nodes
Node Name Status
------------------------------------ ------------------------
XXXdb2 passed
XXXdb1 passed
Result: CTSS resource check passed
Querying CTSS for time offset on all nodes...
Result: Query of CTSS for time offset passed
Check CTSS state started...
Check: CTSS state
Node Name State
------------------------------------ ------------------------
XXXdb2 Observer
XXXdb1 Observer
CTSS is in Observer state. Switching over to clock synchronization checks using NTP
Starting Clock synchronization checks using Network Time Protocol(NTP)...
NTP Configuration file check started...
The NTP configuration file "/etc/ntp.conf" is available on all nodes
NTP Configuration file check passed
……
Checking NTP daemon command line for slewing option "-x"
Check: NTP daemon command line
Node Name Slewing Option Set?
------------------------------------ ------------------------
XXXdb2 no
XXXdb1 no
Result:
NTP daemon slewing option check failed on some nodes
PRVF-5436 : The NTP daemon running on one or more nodes lacks the slewing option "-x"
Result: Clock synchronization check using Network Time Protocol(NTP) failed

server 10.XXX.XXX.71
broadcastclient
driftfile /etc/ntp.drift
tracefile /etc/ntp.trace

# Start up Network Time Protocol (NTP) daemon
start /usr/sbin/xntpd "$src_running" -a "-x"