TerryJC wrote:Further to my experiences related above, it has now emerged that our solution for an NTP Server may actually be causing a problem with the Real Time Clock. This post https://forum.modmypi.com/technical-support/rasclock-timekeeping-very-erratic-t1713.html#p7572 relates my problems with getting the RTC to keep time and the current state of affairs which seems to be that running the NTP Server on my Pi causes the time to be corrupted on itself.
It's a while ago now, but someone emailed me through the Forums with a question (which I couldn't really answer properly), but it reminded me that I had never come back to relate how we solved this.
A member of our local LUG suggested that instead of NTP, we could try using rdate. We needed to set up a time service on our main Pi (see https://en.wikipedia.org/wiki/Xinetd) and then run:
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rdate -v <IP Address of the main Pi>
from the client.