Hi, I am not a chrony user, so I may be misinterpreting your included output, but shouldn't chrony stop using that server? What in NTP is called a falseticker?
As you point out, you resolved the address and associated with it before it went bad. For ntpd, the standard answer, if your ntpd process is long-lived, is to increase the number of server lines in your config, and let ntpd decide which to use and which to ignore. If the upstream corrects time, ntpd will start using it again. -- Sanjeev Gupta +65 98551208 http://www.linkedin.com/in/ghane On Fri, Mar 4, 2016 at 2:54 AM, Grant Ridder <[email protected]> wrote: > I noticed that one of my servers was several minutes fast. > > $ sudo chronyc -n sources > 210 Number of sources = 4 > MS Name/IP address Stratum Poll Reach LastRx Last sample > > =============================================================================== > ^? 108.166.189.70 1 10 0 145d +6609us[+8115us] +/- > 10.6s > ^? 199.7.177.206 2 10 0 167d -25.7s[ +794us] +/- > 103ms > ^? 167.88.119.29 2 10 0 393d -343.5s[-4165us] +/- > 42ms > ^? 66.186.31.14 2 10 0 438d -410.8s[+6529us] +/- > 67ms > $ > > $ grep ^server /etc/chrony.conf | cut -d" " -f2 > 0.centos.pool.ntp.org > 1.centos.pool.ntp.org > 2.centos.pool.ntp.org > 3.centos.pool.ntp.org > $ > > Looks like the server was removed (per > http://www.pool.ntp.org/scores/108.166.189.70) but my server was still > using it (since it has been up since before the server was removed from the > pool). Not sure if it should still be kept current time wise or someone > needs to reach out to the owner and have them stop serving time all > together if it was removed. > > -Grant > _______________________________________________ > pool mailing list > [email protected] > http://lists.ntp.org/listinfo/pool > _______________________________________________ pool mailing list [email protected] http://lists.ntp.org/listinfo/pool
