[ntp:questions] Re: NTP, Mac OS X & Cisco 837

viz viz at REMOVEBLOCK.pacific.net.au
Fri Apr 15 22:47:12 UTC 2005




On 15/4/05 10:11 PM, in article uMydnUhLC7bBMsLfRVn-sw at comcast.com, "Richard
B. Gilbert" <rgilbert88 at comcast.net> wrote:

> viz wrote:
> 
>> 
>> On 15/4/05 12:37 AM, in article
>> mailman.13.1113490119.573.questions at lists.ntp.isc.org, "Brad Knowles"
>> <brad at stop.mail-abuse.org> wrote:
>> 
>>  
>> 
>>> At 11:02 PM +1000 2005-04-14, viz wrote:
>>> 
>>>    
>>> 
>>>> How would you get OSX to start ntpd?
>>>>      
>>>> 
>>> I start it manually.  I created my own shell alias which provides
>>> all the appropriate command-line options that I want.
>>> 
>>>    
>>> 
>>>>                                       Reason I ask is that if I go near the
>>>> GUI panel either it munges the file or totally deletes it - the latter when
>>>> I deselected the radio box for auto-updating time and deleted all time
>>>> servers in the server list box.
>>>>      
>>>> 
>>> Yup.  ;(
>>>    
>>> 
>> 
>> A quick question:
>> 
>> Once ntp has settled down and is sorting out the time, does it stay with the
>> same servers or continuously changes according to which is better at the
>> time? I have done some reading, but my eyes start to glaze over in parts...
>> ;)
>> 
>> /viz
>> 
>>  
>> 
> At each poll interval, ntpd selects the best available server to
> synchronize with.  The second, third and fourth best form an "advisory
> committee".  Any remaining servers make no contribution.  The selected
> synchronization source is marked with an asterisk in the ntpq output.
> The advisory committee get plus signs.  Minus signs indicate servers
> that have been dropped in the selection process while "x" indicates that
> a server has been declared "insane".

OK - that answers that one. Thanks again.

/viz




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