3.16.110 32115 - Server Chrony Daemon Lost Synchronization for Extended Time

Alarm Group:
PLAT
Description:
This alarm indicates that the server’s current time is earlier than the timestamp of the last verified correct time.
Severity:
Critical
Instance:
May include AlarmLocation, AlarmId, AlarmState, AlarmSeverity, and bindVarNamesValueStr.
HA Score:
Normal
Auto Clear Seconds:
0 (zero)
OID:
eagleXgDsrTpdChronyDaemonNotSynchronizedFailureNotify
Alarm ID:
TKSPLATCR16
Cause:
The server’s current time is earlier than the last verified correct timestamp.
Diagnostic Information:
N/A.

Recovery:

  1. Verify NTP settings and NTP sources are providing accurate time.
    1. Ensure ntpd service is running with correct options: -x -g.
    2. Verify the content of the /etc/ntp.conf file is correct for the server.
    3. Type /usr/sbin/ntpdc -c sysinfo to check the current state of the ntpd daemon.
    4. Verify the ntp peer configuration; execute ntpq -np; and analyze the output. Verify peer data, such as tally code (first column before remote), remote, refid, stratum (st), and jitter, are valid for server.
    5. Run ntpstat to check the NTP time synchronization status. If the server is not synchronized or the stratum is incorrect, ping the NTP peer to verify that it is reachable.
  2. If ntp peer is reachable, then restart the ntpd service.
  3. If problem persists, then a reset of the NTP date may resolve the issue.

    Note:

    Before resetting the NTP date, the applications may need to be stopped. After the NTP reset, the applications should be restarted.
    1. Perform the following commands to reset ntpd:
    • sudo service ntpd stop
    • sudo ntpdate <ntp server IP>
    • sudo service ntpd start
  4. Confirm recommended NTP topology and strategy.
    • No fewer than tree references are recommended.
    • If selecting a different number, the number must be odd.
    • No intermediate reference must be on a virtualized server.
    • Additional recommendations and topology are available in the NTP strategy section in the DSR Hardware and Software Installation 1/2 customer document.
  5. For any assistance, contact My Oracle Support.