Hello there,

I wanted to ask for advice regarding NTP

Situation 1:
What I currently have is a uBlox M8N GPS puck I'm planning to use with the 
Raspberry PI. Seems like it should work almost out of the box with some kernel 
tuning, but I have a question about short term stability in the event of GPS 
loss - how well will the board hold over if it's lost GPS for, say, 24 hours?

Situation 2:
Also, there's a need for more dependable NTP time sources for our colocated 
spaces.

What we have is about 100 servers, some of them running DBMS that wouldn't like 
clock drift at all. After a recent incident involving NTP I've got an idea to 
install GPSDO time servers in each datacenter and slave them to stratum2's that 
will be actually distributing time to clients.

All the certified GNSS disciplined clocks are really expensive (way more than 
the management would approve), so what I'm planning to do is possibly getting a 
couple LeoNTP units and using them as the root time sources, would this be a 
good plan? Of course, all the NTP infrastructure will be monitored, and 
possibly we'll use Stratum 2 servers which would be slaved to GPSDO S1's AND 
the public NTP pool for sanity checks.

Maybe BG7TBL's units instead of LeoNTP?
Is that a good idea?

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