Thursday, 28 February 2019
RMAN-08137: WARNING: archived log not deleted, needed for standby or upstream capture process
Monday, 11 February 2019
CRS-4700: The Cluster Time Synchronization Service is in Observer mode.
CTSS is in Observer mode due to ntpd running on RAC hosts
[grid@racnode01~]$ crsctl check ctss
CRS-4700: The Cluster Time Synchronization Service is in Observer mode.
[grid@racnode02~]$ crsctl check ctss
CRS-4700: The Cluster Time Synchronization Service is in Observer mode.
Stop crs from both nodes:
root@racnode01:# ./crsctl stop crs
root@racnode02:# ./crsctl stop crs
Stop and disable ntpd service, also remove conf file:
#service ntpd stop
#chkconfig ntpd off
# mv /etc/ntp.conf /etc/ntp.conf_bkp
mv: overwrite ‘/etc/ntp.conf_bkp’? y
# rm -rf /var/run/ntpd.pid
For Linux 7:
[root@~]# systemctl stop chronyd
[root@~]# systemctl disable chronyd
rm '/etc/systemd/system/multi-user.target.wants/chronyd.service'
--Delete or rename /etc/chrony.conf file
[root@~]# mv /etc/chrony.conf /etc/chrony.conf_old
Start crs from both nodes:
root@racnode01:#./crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
root@racnode02:#./crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
Verify CTSS status now. It will be in active mode
[grid@racnode01 ~]$ crsctl check ctss
CRS-4701: The Cluster Time Synchronization Service is in Active mode.
CRS-4702: Offset (in msec): 0
[grid@racnode02 ~]$ crsctl check ctss
CRS-4701: The Cluster Time Synchronization Service is in Active mode.
CRS-4702: Offset (in msec): 0
Unable to start Instance on RAC Node2 with error ORA-01017: invalid username/password
Instance started without any issue after fixing group setup on node2