Hello,

I have been having extreme difficulty in identifying the cause of this fault, but monitoring seems to be acting extremely strange on my NTP instance:

http://www.pool.ntp.org/scores/72.38.129.202

I have done all kinds of evaluation on this end — including a lot of monitoring and stress-testing of network links to verify infrastructure it is not at fault, but am rather fuzzy at what would cause a zig-zag pattern and not a direct fall for inaccuracy. The issue seems to have begun after an update to ntpd [email protected] on Sunday.

This instance has ~3 Stratum 1s to synchronize against, I have reduced the maxpoll to no avail.

# ntpq -c peers
remote refid st t when poll reach delay offset jitter
==============================================================================
*ntp1.torix.ca .PPS. 1 u 25 64 377 9.612 -0.503 2.745 +ntp2.torix.ca .PPS. 1 u 26 64 377 9.619 -0.129 2.284 +CLOCK.UREGINA.C .GPS. 1 u 25 64 377 57.845 0.283 1.022

If someone could give me some insight, that'd be great.

Thanks.

--
/s/
Kradorex Xeron <[email protected]>
Executive Director,
Digibase Operations, Research and Development <http://digibase.ca>
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