| RE: [chrony-users] Why is it not selecting servers |
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- Subject: RE: [chrony-users] Why is it not selecting servers
- From: MUZZULINI Frank <Frank.MUZZULINI@xxxxxxxxxxxxxx>
- Date: Mon, 28 Nov 2022 14:13:42 +0000
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- Thread-topic: [chrony-users] Why is it not selecting servers
Hi,
Checking the configuration, I think orphan mode is exactly what was missing..
Thanks,
Frank
-----Original Message-----
From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
Sent: Monday, 28 November, 2022 2:40 PM
To: chrony-users@xxxxxxxxxxxxxxxxxxxx
Subject: Re: [chrony-users] Why is it not selecting servers
*EXTERNAL source*
On Mon, Nov 28, 2022 at 12:52:06PM +0000, MUZZULINI Frank wrote:
> Hi,
>
> This one really puzzles me:
> MS Name/IP address Stratum Poll Reach LastRx Last sample
> ===============================================================================
> =x 192.168.42.1 11 5 367 38 +63.5s[ +63.5s] +/- 121us
> =x 192.168.42.2 11 6 377 78 +58.2s[ +58.2s] +/- 42us
> =x 192.168.42.3 11 7 0 799 +79.2s[ +79.2s] +/- 110us
> =x 192.168.42.4 11 8 0 84m +112.2s[+112.2s] +/- 112us
> ^x 172.16.253.1 2 10 377 1010 +835ms[ +835ms] +/- 8853us
> ^x 10.26.59.11 1 9 377 212 +836ms[ +836ms] +/- 859us
> ^x 10.26.59.12 1 8 377 194 +836ms[ +836ms] +/- 909us
> ^x 10.26.59.13 1 8 377 22 +836ms[ +836ms] +/- 838us
>
> There are four server that agree on the correct time.
> There are also two peers which are free running just like the machine itself.
> Why is it not selecting one of the servers?
If those two unreachable sources don't become reachable, it should eventually reach a majority and update the clock. Otherwise you would need at least 5 working sources.
> Using stratum 11 to synchronise peers amongst each other when the
> uplink is down is normal practice, isn't it? (It didn't seem to work
> here neither, but this may have a good reason, these are test-VMs and
> they may have done wild things...)
Only one source should be using the local reference unless the orphan mode is enabled. If upstream connectivity is normally expected to work, it's best to avoid local completely.
--
Miroslav Lichvar
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