"Dave Hart" <[email protected]> wrote in message news:[email protected]...
[]
No new settings required.  You might have a hard time picking out the
difference using 5-minute samples of mrtg and the hardcoded Y axis.
Looking at loopstats graphs, I would expect you to see little
overshoot or ringing from the initial offset correction.

Cheers,
Dave Hart

Thanks, Dave. I may be missing something here, but it seems to me that 4.2.7p58 still takes a number of hours to reach the accuracy limits where thermal effects dominate. It's that which matters to me, rather than something in the first few minutes. I agree the graphs would not show such short time-scale initial disturbances.

On the XP versus Vista/Win-7 issue, one thing I notice is that the loopstats files for the Win-7 system are about four times the size of those for the XP system - 144KB rather than 36KB for a complete day. 603 lines for XP, 2520 lines for Win-7. Yet both have the same (rather short) max poll interval of 32 seconds. Does this suggest that NTP is having to work harder on Win-7? In case anyone is interested, the loopstats files for the previous three days are here:

 http://www.satsignal.eu/ntp/xp-win7-loopstats.zip   (159KB)

Cheers,
David
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