Setting the NTP time servers for your device
Follow these steps to view and update which time servers your device must synchronize time with.
To check time sources
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On the Amazon OpsHub dashboard, find your device under Devices. Choose the device to open the device details page.
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You will see a list of time sources that your device is synchronizing time with in the Time sources table.
The Time sources table has four columns:
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Address: The DNS name / IP address of the time source
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State: The current connection status between the device and that time source, there are 5 possible states:
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CURRENT: Time source is currently being used to synchronize time
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COMBINED: Time source is combined with the current source
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EXCLUDED: Time source is excluded by the combining algorithm
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LOST: Connection with the time source has been lost
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UNAVAILABILITY: An invalid time source where the combining algorithm has deemed to be either a falseticker or has too much variability
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Type: Network Time Protocol (NTP) sources can be a server or peer. A server can be set by the user using the update-time-server command, whereas a peer can only be set up using other Snowball Edge devices in the cluster and are automatically set up when the cluster is associated.
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Stratum: The stratum of the source. Stratum 1 indicates a source with a locally attached reference clock. A source that is synchronized to a Stratum 1 source is set at Stratum 2. A source that is synchronized to a stratum 2 source is set at Stratum 3, and so on.
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To update the time servers
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On the Amazon OpsHub dashboard, find your device under Devices. Choose the device to open the device details page.
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You will see a list of time sources that your device is synchronizing time with in the Time sources table.
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Choose Update time servers on the Time sources table.
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Provide the DNS name or the IP address of the time servers you would like your device to synchronize time with, and choose Update.
