[ntp:questions] Re: Problem with good synchronization.

Harlan Stenn stenn at maccarony.ntp.org
Sat Oct 16 23:20:12 UTC 2004


I've never seen that behavior (but uyou havemore experience).

I have tried the mechanism you describe, and in that case I have had the
primary external timesource disappear and then the bulls head off in their
own directions, with different cows following different bulls.

In article <ckq6bo$ad1$1 at dewey.udel.edu>,
David L. Mills <mills at udel.edu> wrote:
>The problem I observed was, when three strata bulls and a number of cows 
>were involved, developed a deadly embrace where the cows saw the stratum 
>oscillate first to one bull and then another. This caused frequent 
>timeouts as the cows waited for a stratum lower than theirs to come 
>back. The bottom line is not to be so adventurous, keep the bulls at one 
>stratum and let the cows eat equal stratum grass.
>Harlan Stenn wrote:
>> Dave,
>> Please say more - I have been doing it this way for years.
>> When "all is well" *everybody* syncs to the main server, and then
>> everybody except the main server runs at S+1.
>> If the main server fails folks slowly sniff around and the #2 box soon
>> becomes the "lead dog".
>> On rare occasions I see a clique form, but it is usually short-lived and
>> I have never seen a case where the different cliques have "significantly"
>> different time.
>> H

More information about the questions mailing list