>> 'scuse my naivete, but don't you get very good accuracy if you have >> a consistent hardware clock, a drift file, and enough time (months?) >> of using many servers to build up a good value in the file?
> No. All it takes is one asymetric link between you and your timeserver > to through your time off. Even if your network is stable or you have a solid local clock, the drift will track temperature. Ballpark is 1 ppm per 4 degrees F. If you are running in a non air-conditioned home, you can track the daily changes and/or see when your cron jobs fire up at 3 in the morning. If you are in an air-conditioned machine room, you can track the on-off cycles of the air-conditioner. Good stuff here: http://www.ijs.si/time/temp-compensation/ >From my home setup: http://www.megapathdsl.net/~hmurray/ntp/ Horizontal units are hours relative to when the log file kicks over to a new one. -- 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. _______________________________________________ timekeepers mailing list [email protected] https://fortytwo.ch/mailman/cgi-bin/listinfo/timekeepers
