On 2013-05-24, Paul G wrote:
> I have four GPS receivers into four different computers. I've assumed that I
GPS receivers are not particularly good time sources UNLESS you use PPS.
If you use PPS they should all agree to the 1micro second level.
You should NOT need time1. If youjust use the se
The NTP FAQ pages are massively out of date.
As soon as Network Time Foundation has enough money to pay somebody to
work on the support wiki content and the FAQ stuff it will get done:
http://networktimefoundation.org - be a member!
If we get any volunteers to work on this it will get done that
I have four GPS receivers into four different computers. I've assumed that I
should be able to get small offsets between them but to do so I need
to set time1. If that's the correct approach how do I pick the "right"
system to be the benchmark. So far I've just been assuming that
the purpose bui
On 2013-05-24, David Woolley wrote:
>
>> is entitled to. Why do you not use chrony? I know you have tried it.
>>
> I'm fairly sure he said Windows up thread.
If he did, I missed it, and I apologize for my irrelevant suggestion.
So, decrease the poll interval.
_
Richard B. Gilbert wrote:
On 5/24/2013 5:56 AM, David Lord wrote:
Riccardo Castellani wrote:
If I have 3 internal NTP servers, what do you think if my clients have
all these 3 servers in their configuration ?
According to '5.3.2. Why should I have more than one clock?' in
'http://www.ntp.org/nt
Peering them is a good idea, but isn't going to help, since they will
each view the other as being of a higher stratum then their upstream
servers.
On 5/24/2013 10:30 AM, Rob wrote:
Brian Utterback wrote:
On 5/24/2013 5:27 AM, Rob wrote:
claim that 2 servers is not good because they may hav
On 5/24/2013 5:56 AM, David Lord wrote:
Riccardo Castellani wrote:
If I have 3 internal NTP servers, what do you think if my clients have
all these 3 servers in their configuration ?
According to '5.3.2. Why should I have more than one clock?' in
'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-
On 24/05/2013 07:42, Riccardo Castellani wrote:
> What do you think for my architecture about this configuration in my ntp.conf
> for all 3 servers:
I never use them
Ciao!
-- bronto
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is entitled to. Why do you not use chrony? I know you have tried it.
I'm fairly sure he said Windows up thread.
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On 2013-05-24, Mischanko, Edward T wrote:
>
>
>>
>>
>> > On 2013-05-21, Mischanko, Edward T
>> wrote:
>> >
>> >> My concern is that too much data is being thrown away when polling
>> >> above 256 seconds and that allows excessive wandering of my clock.
>> >
>>
>> If too much data is being thro
On 2013-05-24, Riccardo Castellani wrote:
>> ntpd probably never touches it. What is the time on the file ls -lga
>>
> I think it's impossible, yesterday I reset file content.
>
>> Did you see me suggesting that you plot the stuff from your log files?
>> Look at /var/log/ntp/loopstats and peerst
David Lord wrote:
Riccardo Castellani wrote:
If I have 3 internal NTP servers, what do you think if my clients have
all these 3 servers in their configuration ?
According to '5.3.2. Why should I have more than one clock?' in
'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO
I read 2
Brian Utterback wrote:
> On 5/24/2013 5:27 AM, Rob wrote:
>> claim that 2 servers is not good because they may have different
>> time and you will not be able to tell which one is right, but in
>> a correctly configured ntp server it will normally not happen that
>> it serves wrong time without no
On 24/05/2013 09:12, Riccardo Castellani wrote:
If I have 3 internal NTP servers, what do you think if my clients have all
these 3 servers in their configuration ?
According to '5.3.2. Why should I have
more than one clock?' in
'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO
I read 2
On 5/24/2013 5:27 AM, Rob wrote:
claim that 2 servers is not good because they may have different
time and you will not be able to tell which one is right, but in
a correctly configured ntp server it will normally not happen that
it serves wrong time without noticing it.
You are missing the poi
David Woolley writes:
> Offset is not offset from true time.
And that, I think, is the major point of confusion here. If offset was
the offset from true time ntpd would just subtract it out, set the clock
to true time, and we'd all be happy. It isn't. It's one of the pieces
of information ntpd
Rob wrote:
When you want your clients to always have correct time even if a
server fails, you need more than one server. There are people who
claim that 2 servers is not good because they may have different
time and you will not be able to tell which one is right, but in
I believe I've seen e
Riccardo Castellani wrote:
If I have 3 internal NTP servers, what do you think if my clients have all
these 3 servers in their configuration ?
According to '5.3.2. Why should I have
more than one clock?' in 'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO
I read 2 servers, it's worst
Mischanko, Edward T wrote:
On 2013-05-21, Mischanko, Edward T
wrote:
My concern is that too much data is being thrown away when polling
above 256 seconds and that allows excessive wandering of my clock.
If too much data is being thrown away, it would be because the poll
adjust algorithm h
Riccardo Castellani wrote:
> If I have 3 internal NTP servers, what do you think if my clients have all
> these 3 servers in their configuration ?
> According to '5.3.2. Why should I have
> more than one clock?' in
> 'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO
>
>
> I read 2 serve
Riccardo Castellani wrote:
> OK I'll do it immediately...
> I also have to remove these lines from my Linux server (10.2.3.? 5) It's
> both on internal and external network and It represents ntp source for my
> hp-ux server.
I advise you to delete those lines on any system that you administer.
If I have 3 internal NTP servers, what do you think if my clients have all
these 3 servers in their configuration ?
According to '5.3.2. Why should I have
more than one clock?' in
'http://www.ntp.org/ntpfaq/NTP-s-algo-real.htm#Q-NTP-ALGO
I read 2 servers, it's worst case, but also 3...
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