[ntp:questions] ntp & system without a rtc

Brian Utterback brian.utterback at oracle.com
Tue May 14 12:58:48 UTC 2013


I just tried it on my system, I get sync in 12 seconds. Now, of course 
getting the frequency correction right will take a lot longer, and it 
may lose sync in the mean time if the frequency is far enough off.

On 05/14/13 02:59, David Woolley wrote:
> Richard B. Gilbert wrote:
>
>>
>> NTPD is NOT designed for fast convergence.  From start up to get the 
>> minutes correct, NTPD will need about thirty minutes!  To get the 
>> best time you are going to get, you will need to wait for about ten 
>> hours!
>>
> Convergence to within 128ms should take a lot less than that. With 
> iburst, I believe it should be less than one minute.
>
>>
>>
>
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-- 
blu

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violent psychopath who knows where you live. - Martin Golding
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Brian Utterback - Solaris RPE, Oracle Corporation.
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