Hi Chris!
I have a week's worth of data now... Take a look at these graphics
http://www.flickr.com/photos/miguelbarbosagoncalves/8955346508/ and
http://www.flickr.com/photos/miguelbarbosagoncalves/8955346522/
One of them shows is the plot of the loopstats of my stratum 1 server. The
other one
Hi David!
On 5 June 2013 06:58, David J Taylor david-tay...@blueyonder.co.uk wrote:
Miguel,
I notice a step in the blue (ntp02) graph in:
http://www.flickr.com/photos/**miguelbarbosagoncalves/**8955346508/http://www.flickr.com/photos/miguelbarbosagoncalves/8955346508/
and I think in
m...@mbg.pt said:
I believe something has happened but not on my side. The offset for ntp02
changed its sign but kept the absolute value.
That sort of change can happen when the routing changes. Keep watching and
see if it switches back or switches to yet another offset.
If you have
Two mistakes that I spotted after clicking send...
On 5 June 2013 01:57, Miguel Barbosa Gonçalves m...@mbg.pt wrote:
Hi Chis!
I meant Chris of course... sorry about that!
I have a week's worth of data know... Take a look at the attached graphics.
Not know but now of course... 2 am here
Hi Chris!
I have a week's worth of data now... Take a look at these graphics
http://www.flickr.com/photos/miguelbarbosagoncalves/8955346508/ and
http://www.flickr.com/photos/miguelbarbosagoncalves/8955346522/
One of them shows is the plot of the loopstats of my stratum 1 server. The
other one
Hi!
Lately I've been using the two stratum 2 servers our national observatory
provides to the public mainly as backup for my GPS based local NTP servers.
I've always found odd that one of them exhibited an erratic behaviour when
compared to the other one.
I decided to use ntpdate on one of my
I would do a traceroute and see if the path is the same going to both servers,
that can eliminate some variables.
Beyond that it would take some detective work on their side. It could be the
hardware for each machine is different. Different poll
lengths. Different server loads. Different NTP
That looks like a server in an room with unstable temperature. Try
graphing the server's frequency (ntpq rv or ntpdc loopinfo/kerninfo if
enabled on the server), a rising frequency will correlate with a
positive offset if that is the case.
On Tue, May 28, 2013 at 7:52 PM, Miguel Barbosa Gonçalves
On 28 May 2013 14:10, Gabs Ricalde gsrica...@gmail.com wrote:
That looks like a server in an room with unstable temperature. Try
graphing the server's frequency (ntpq rv or ntpdc loopinfo/kerninfo if
enabled on the server), a rising frequency will correlate with a
positive offset if that is
Hi Jason!
On 28 May 2013 13:56, Jason Rabel ja...@extremeoverclocking.com wrote:
I would do a traceroute and see if the path is the same going to both
servers, that can eliminate some variables.
They are on the same network and the path is the same.
Beyond that it would take some
On Tue, May 28, 2013 at 9:26 PM, Miguel Barbosa Gonçalves m...@mbg.pt wrote:
Hi!
They've disabled the queries on both servers because I believe that don't
want to see how badly they are configured... :-)
Regards,
Miguel
That is better than the one I'm monitoring. They* were running an
The stratum 2 servers are by definition not connected to GPS. They get
their time from some other NTP server that is connected to an authoritative
clock which may or may not be GPS.It looks like the red server has
rather smooth swings over around a handful of milliseconds. This is to
be
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