Oracle Cluster Time Synchronization Services Checks

cluvfy comp clocksync -n all -verbose

Sample Output:

Output:

==============

oragrid@host36b54e.uk.db.com $ cluvfy comp clocksync -n all -verbose

Verifying Clock Synchronization across the cluster nodes

Checking if Clusterware is installed on all nodes...

Oracle Clusterware is installed on all nodes.

Checking if CTSS Resource is running on all nodes...

Check: CTSS Resource running on all nodes

Node Name Status

------------------------------------ ------------------------

host36b54e passed

host36b54h passed

host36b54g passed

host36b54f passed

host36b54d passed

host36b54c passed

host36b54b passed

host36b54a passed

CTSS resource check passed

Querying CTSS for time offset on all nodes...

Query of CTSS for time offset passed

Check CTSS state started...

Check: CTSS state

Node Name State

------------------------------------ ------------------------

host36b54h Observer

host36b54g Observer

host36b54f Observer

host36b54e Observer

host36b54d Observer

host36b54c Observer

host36b54b Observer

host36b54a Observer

CTSS is in Observer state. Switching over to clock synchronization checks using NTP

Starting Clock synchronization checks using Network Time Protocol(NTP)...

Checking existence of NTP configuration file "/etc/ntp.conf" across nodes

Node Name File exists?

------------------------------------ ------------------------

host36b54h yes

host36b54g yes

host36b54f yes

host36b54e yes

host36b54d yes

host36b54c yes

host36b54b yes

host36b54a yes

The NTP configuration file "/etc/ntp.conf" is available on all nodes

NTP configuration file "/etc/ntp.conf" existence check passed

Checking daemon liveness...

Check: Liveness for "ntpd"

Node Name Running?

------------------------------------ ------------------------

host36b54h yes

host36b54g yes

host36b54f yes

host36b54e yes

host36b54d yes

host36b54c yes

host36b54b yes

host36b54a yes

Result: Liveness check passed for "ntpd"

Check for NTP daemon or service alive passed on all nodes

Checking whether NTP daemon or service is using UDP port 123 on all nodes

Check for NTP daemon or service using UDP port 123

Node Name Port Open?

------------------------------------ ------------------------

host36b54h yes

host36b54g yes

host36b54f yes

host36b54e yes

host36b54d yes

host36b54c yes

host36b54b yes

host36b54a yes

Check for synchronization of NTP daemon with at least one external time source passed on all nodes.

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.