Influxdb with Telegraf

InfluxDB 2
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1

I uses telegraf DB in the influxdb for monitoring VCs with Grafana.

I uses those dashboards:

I noticed that some of my grafana dashboard return N/C in the dashboard even though the is correct. so when I checked why I noticed that some of the datastore for instance, have grater timestamp than the current timestamp. For example, datastore 2 return good values with lower timestamp that the DB has but the graph of datastore 3 return null cause he have grater datastore, and it’s return values with I do time <= now() + 3h instead of time <= now() - 3h.

2

Are all clocks in sync?

If yes, are all servers using the same time zone?

3

its the wired thing, its the same DB and the same VC and the same table, just sometimes I write in the query datastore = ‘xxxx1’ and sometimes datastore = ‘xxxx2’ and datastore ‘xxxx1’ works like magic unlike the second datastore

4

Someone know the answer?