"Hal Murray" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Using a single system as the master seems like a reasonable approach > to me. It's simple so you can understand it. Just fixup the time > by hand when it drifts too far off.
That's my plan. Today my system is 9 minutes below the real time. I can't add 9 minutes in one go otherwise everything would crash. But I could add one minute every morning during nine days and it would be fine. > The main source of error in most systems is the initial accuracy > of the crystal when it comes from the factory. That's a constant. > You can measure it and correct for it. After that, your systems > will keep pretty good time. (That's how we used to do it before > NTP.) > > The next source of error is the shift in frequency as the temperature > changes. Is the temperature in your bunker stable? If so, that > helps a lot. > The aircon system is good so I am quite confident that it is stable. > Is the load on your system stable or bursty? Self heating is important. > It might help to allocate a separate box to being your NTP server. > The load is stable on the main server as it is only providing the active directory. Not very busy (not like a db backup). > adjtimex is the utility to tweak the clock frequency. Seems interesting in the long run. The only data I have found looks like code to be compiled for Unix. Anything ready for Windows? > > -- > The suespammers.org mail server is located in California. So are all my > other mailboxes. Please do not send unsolicited bulk e-mail or > unsolicited > commercial e-mail to my suespammers.org address or any of my other > addresses. > These are my opinions, not necessarily my employer's. I hate spam. > _______________________________________________ questions mailing list [email protected] https://lists.ntp.isc.org/mailman/listinfo/questions
