[ntp:questions] Very rapid polling

Martin Burnicki martin.burnicki at meinberg.de
Mon Feb 23 08:36:07 UTC 2009


David Woolley wrote:
> gary.limanapier at elisys.co.uk wrote:
> 
>> 
>> We are running W32Time on all machines including the servers. The
>> server itself obtains its own time independantly via a hardware clock.
>> This is used to update the CMOS clock from which W32Time then serves
>> out to the Clients. I will take up your suggestion and look into using
> 
> I'm not aware of any time synchronisation software that uses the RTC
> clock.  They generally use the software clock, which is typically set
> from the RTC clock on bootup.
> 
> In any case, w32time, when run without a real server, sends out multiple
> indications that the time shouldn't be used, so any real implementation
> of NTP would ignore it (w32time doesn't ignore it).

IIRC there is a configuration option for w32time which lets it synchronize
periodically to the RTC chip, so this may mb w32time's version of the
"local clock".

Martin
-- 
Martin Burnicki

Meinberg Funkuhren
Bad Pyrmont
Germany




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