[ntp:questions] setting the time/frequency before starting ntpd to avoid slow convergence (PPS)

gabs gsricalde at gmail.com
Mon Oct 15 17:08:09 UTC 2012


On Saturday, October 13, 2012 11:49:25 AM UTC+8, David Taylor wrote:
> As I've mentioned before, 10 hours may be much longer than is needed for 
> some systems.  Many PCs here settle to the best they can reach within a 
> few minutes, but I am referring to Windows PCs either with a local time 
> source (GPS/PPS), or with a short polling interval to LAN-based 
> stratum-1 servers.  But these are not "microsecond offset" systems.

I tried this before syncing a laptop to a stratum 1 server over LAN.
ntpdate 2 minutes apart was used to correct the frequency and offset.
Offsets are less than 15 us since ntpd started 12 hours ago.



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