| RE: [chrony-users] chrony switch source issue |
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- To: "chrony-users@xxxxxxxxxxxxxxxxxxxx" <chrony-users@xxxxxxxxxxxxxxxxxxxx>
- Subject: RE: [chrony-users] chrony switch source issue
- From: "Bernstein, Amit" <amitbern@xxxxxxxxxx>
- Date: Mon, 2 Jan 2023 12:22:56 +0000
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- Thread-topic: [chrony-users] chrony switch source issue
As both source timestamp (NTP and PHC) are very close to each other
And according to chrony faq: "It will let the clock run free for as long as its estimated error (in terms of root distance) based on previous measurements is smaller than the estimated error of the second source, and there is still an interval which contains some measurements from both sources."
Chrony should have replaced the source from PHC to NTP after no more than several msec, I have waited about an hour and still saw chrony getting stucked on PHC source.
-----Original Message-----
From: Miroslav Lichvar <mlichvar@xxxxxxxxxx>
Sent: Monday, January 2, 2023 12:00
To: chrony-users@xxxxxxxxxxxxxxxxxxxx
Subject: RE: [EXTERNAL][chrony-users] chrony switch source issue
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On Thu, Dec 22, 2022 at 01:35:34PM +0000, Bernstein, Amit wrote:
> But in case PHC source returns a failed status (for example -EIO) Chrony will not switch the sources and will stay on PHC source for an infinite time
Is it really infinite, or just taking longer that you would expect?
https://chrony.tuxfamily.org/faq.html#_an_unreachable_source_is_selected
--
Miroslav Lichvar
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