[ntp:questions] Trying to use Dimension 4 time keeper

unruh unruh at invalid.ca
Mon Sep 9 05:22:13 UTC 2013


On 2013-09-09, Brian Inglis <Brian.Inglis at SystematicSw.ab.ca> wrote:
> On 2013-09-08 11:51, W. eWatson wrote:
>> On 9/7/2013 9:16 PM, David Taylor wrote:
>>> On 07/09/2013 22:38, W. eWatson wrote:
>
> You may want to try the latest stable NTP release 4.2.6p5 from Meinberg, for 
> ease of installation, on all three of your systems.
> With stable connections and remote NTP servers it should get your time offset 
> within 100ms in a few hours, and within a few ms (or better depending on your 
> network and sources) over a period of about three weeks, and the drift within 
> PPB of your hardware clock over that period.

ntpd is slow but not that bad. a few ms in a couple of hours. It is us
levels that tend to take a half day or so.

>
> If you are in the US, you may want to select some servers from 
> http://www.ustiming.org/?page_id=458 or http://tf.nist.gov/tf-cgi/servers.cgi 
> and keep the pool servers in ntp.conf as backup in case some of your selections 

Just use the pool for the accuracy he needs. (.1 sec) No need to
overload the bigger public servers. 




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