CRS-4700: The Cluster Time Synchronization Service is in Observer mode.
[oracle@racnode1 ~]$ crsctl check ctss
CRS-4700: The Cluster Time Synchronization Service is in Observer mode.
[oracle@racnode1 ~]$
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# systemctl status chronyd
● chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; disabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:chronyd(8)
man:chrony.conf(5)
[root@racnode1 ~]#
[root@racnode1 ~]# systemctl stop chronyd
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# systemctl disable chronyd
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# systemctl status chronyd
● chronyd.service - NTP client/server
Loaded: loaded (/usr/lib/systemd/system/chronyd.service; disabled; vendor preset: enabled)
Active: inactive (dead)
Docs: man:chronyd(8)
man:chrony.conf(5)
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# ls -lrt /etc/chrony.conf
-rw-r--r--. 1 root root 1092 Jan 29 2018 /etc/chrony.conf
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# mv /etc/chrony.conf /etc/chrony.conf_old
[root@racnode1 ~]#
[root@racnode1 ~]# ls -lrt /etc/chrony.conf
ls: cannot access /etc/chrony.conf: No such file or directory
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# ls -lrt /etc/chrony.conf*
-rw-r--r--. 1 root root 1092 Jan 29 2018 /etc/chrony.conf_old
[root@racnode1 ~]#
[root@racnode1 ~]#
[root@racnode1 ~]# cd /u01/app/12.2.0.1/grid/bin/
[root@racnode1 bin]#
[root@racnode1 bin]# ./crsctl stop cluster -all
CRS-2673: Attempting to stop 'ora.crsd' on 'racnode1'
CRS-2790: Starting shutdown of Cluster Ready Services-managed resources on server 'racnode1'
CRS-2673: Attempting to stop 'ora.guggu.db' on 'racnode1'
CRS-2673: Attempting to stop 'ora.qosmserver' on 'racnode1'
CRS-2673: Attempting to stop 'ora.chad' on 'racnode1'
CRS-2677: Stop of 'ora.chad' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.mgmtdb' on 'racnode1'
CRS-2677: Stop of 'ora.guggu.db' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.LISTENER.lsnr' on 'racnode1'
CRS-2673: Attempting to stop 'ora.LISTENER_SCAN1.lsnr' on 'racnode1'
CRS-2673: Attempting to stop 'ora.cvu' on 'racnode1'
CRS-2673: Attempting to stop 'ora.racnode1.vip' on 'racnode1'
CRS-2677: Stop of 'ora.LISTENER_SCAN1.lsnr' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.scan1.vip' on 'racnode1'
CRS-2677: Stop of 'ora.LISTENER.lsnr' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.mgmtdb' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.racnode1.vip' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.MGMTLSNR' on 'racnode1'
CRS-2673: Attempting to stop 'ora.DATA.dg' on 'racnode1'
CRS-2677: Stop of 'ora.DATA.dg' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'racnode1'
CRS-2677: Stop of 'ora.asm' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.ASMNET1LSNR_ASM.lsnr' on 'racnode1'
CRS-2677: Stop of 'ora.cvu' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.scan1.vip' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.qosmserver' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.MGMTLSNR' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.racnode2.vip' on 'racnode1'
CRS-2677: Stop of 'ora.ASMNET1LSNR_ASM.lsnr' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.racnode2.vip' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.ons' on 'racnode1'
CRS-2677: Stop of 'ora.ons' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.net1.network' on 'racnode1'
CRS-2677: Stop of 'ora.net1.network' on 'racnode1' succeeded
CRS-2792: Shutdown of Cluster Ready Services-managed resources on 'racnode1' has completed
CRS-2677: Stop of 'ora.crsd' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.ctssd' on 'racnode1'
CRS-2673: Attempting to stop 'ora.evmd' on 'racnode1'
CRS-2673: Attempting to stop 'ora.storage' on 'racnode1'
CRS-2677: Stop of 'ora.storage' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.asm' on 'racnode1'
CRS-2677: Stop of 'ora.ctssd' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.evmd' on 'racnode1' succeeded
CRS-2677: Stop of 'ora.asm' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.cluster_interconnect.haip' on 'racnode1'
CRS-2677: Stop of 'ora.cluster_interconnect.haip' on 'racnode1' succeeded
CRS-2673: Attempting to stop 'ora.cssd' on 'racnode1'
CRS-2677: Stop of 'ora.cssd' on 'racnode1' succeeded
[root@racnode1 bin]#
[root@racnode1 bin]#
[root@racnode1 bin]#
[root@racnode1 bin]#
[root@racnode1 bin]# ./crsctl start cluster -all
CRS-2672: Attempting to start 'ora.cssdmonitor' on 'racnode1'
CRS-2672: Attempting to start 'ora.evmd' on 'racnode1'
CRS-2676: Start of 'ora.cssdmonitor' on 'racnode1' succeeded
CRS-2672: Attempting to start 'ora.cssd' on 'racnode1'
CRS-2672: Attempting to start 'ora.diskmon' on 'racnode1'
CRS-2676: Start of 'ora.diskmon' on 'racnode1' succeeded
CRS-2676: Start of 'ora.evmd' on 'racnode1' succeeded
CRS-2676: Start of 'ora.cssd' on 'racnode1' succeeded
CRS-2672: Attempting to start 'ora.ctssd' on 'racnode1'
CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'racnode1'
CRS-2676: Start of 'ora.ctssd' on 'racnode1' succeeded
CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'racnode1' succeeded
CRS-2672: Attempting to start 'ora.asm' on 'racnode1'
CRS-2676: Start of 'ora.asm' on 'racnode1' succeeded
CRS-2672: Attempting to start 'ora.storage' on 'racnode1'
CRS-2676: Start of 'ora.storage' on 'racnode1' succeeded
CRS-2672: Attempting to start 'ora.crsd' on 'racnode1'
CRS-2676: Start of 'ora.crsd' on 'racnode1' succeeded
[root@racnode1 bin]#
[root@racnode1 bin]#
[root@racnode1 bin]#
[root@racnode1 bin]# ./crsctl check ctss
CRS-4701: The Cluster Time Synchronization Service is in Active mode.
CRS-4702: Offset (in msec): 0
[root@racnode1 bin]#
[oracle@racnode1 diag]$ cluvfy comp clocksync -verbose
Verifying Clock Synchronization ...
Node Name Status
------------------------------------ ------------------------
racnode1 passed
Node Name State
------------------------------------ ------------------------
racnode1 Active
Node Name Time Offset Status
------------ ------------------------ ------------------------
racnode1 0.0 passed
Verifying Clock Synchronization ...PASSED
Verification of Clock Synchronization across the cluster nodes was successful.
CVU operation performed: Clock Synchronization across the cluster nodes
Date: May 30, 2020 9:51:15 PM
CVU home: /u01/app/12.2.0.1/grid/
User: oracle
[oracle@racnode1 diag]$
[oracle@racnode2 ~]$ cluvfy comp clocksync -verbose -n racnode1,racnode2
Verifying Clock Synchronization ...
Node Name Status
------------------------------------ ------------------------
racnode2 passed
racnode1 passed
Node Name State
------------------------------------ ------------------------
racnode2 Active
racnode1 Active
Node Name Time Offset Status
------------ ------------------------ ------------------------
racnode2 0.0 passed
racnode1 0.0 passed
Verifying Clock Synchronization ...PASSED
Verification of Clock Synchronization across the cluster nodes was successful.
CVU operation performed: Clock Synchronization across the cluster nodes
Date: May 31, 2020 12:24:56 PM
CVU home: /u01/app/12.2.0.1/grid/
User: oracle
[oracle@racnode2 ~]$
#./crsctl stop cluster –all
# systemctl stop ntpd
#mv /etc/ntp.conf /etc/ntp.conf.original
#systemctl disable ntpd
#./crsctl start cluster –all
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