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Add ntp alarm behavior. (dsr8)

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Added a note.

Change-Id: Ia30d9f88c8ff0b32a921cb190fab3d320cad9a25
Signed-off-by: Dinesh Neelapu <dinesh.neelapu@windriver.com>
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Dinesh Neelapu 2023-11-06 17:42:04 +00:00
parent 47e4b25bef
commit b3954c33a7
1 changed files with 15 additions and 0 deletions
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15
doc/source/system_configuration/kubernetes/configuring-ntp-servers-and-services-using-the-cli.rst
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@ -158,3 +158,18 @@ To view the |NTP| service configuration, use the following command:
| uuid | 92c86da2-adb7-4fb2-92fc-82759e25108d | | uuid | 92c86da2-adb7-4fb2-92fc-82759e25108d |
| vim_progress_status | services-enabled | | vim_progress_status | services-enabled |
+-----------------------+------------------------------------------------+ +-----------------------+------------------------------------------------+
.. note::
When |NTP| server is unreachable, alarm 100.114 is raised, and it will be
cleared once the server becomes reachable.
It is possible to take some time to raise or clear alarm 100.114. |NTP|
related alarm depends on the ``ntpq`` command output and follows |NTP|
specification. The 8-bit register in the poll is used to determine the
server's reachability. If the register contains any nonzero bits, the
server is considered reachable; otherwise, it is considered unreachable.
The current maximum poll interval is 128 seconds. As a result, it might
take about 30 minutes to raise or clear alarm 100.114 in some cases.
However, this is expected behavior.