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doc: improve description of refresh directive

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Miroslav Lichvar
2025-02-27 10:04:41 +01:00
parent 55898e9b07
commit 717db2cfdd
1 changed files with 6 additions and 5 deletions
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doc/chrony.conf.adoc
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@@ -957,14 +957,15 @@ time, assuming the first update corrects the clock and later checks can work
with correct time. with correct time.
[[refresh]]*refresh* _interval_:: [[refresh]]*refresh* _interval_::
This directive specifies the interval (in seconds) between refreshing IP This directive specifies the minimum interval (in seconds) between refreshing
addresses of NTP sources specified by hostname. If the hostname no longer IP addresses of NTP sources specified by hostname. If the hostname no longer
resolves to the currently used address, it will be replaced with one of the new resolves to the currently used address, it will be replaced with one of the new
addresses to avoid using a server which is no longer intended for service, even addresses to avoid using a server which is no longer intended for service, even
if it is still responding correctly and would not be replaced as unreachable. if it is still responding correctly and would not be replaced as unreachable.
Only one source is refreshed at a time. The default value is 1209600 (2 weeks) Only one source is refreshed at a time and only when a valid response is
and the maximum value is 2^31-1 (68 years). A value of 0 disables the periodic received (unreachable sources are replaced independently). The default value is
refreshment. 1209600 (2 weeks) and the maximum value is 2^31-1 (68 years). A value of 0
disables the periodic refreshment.
+ +
The <<chronyc.adoc#refresh,*refresh*>> command can be used to refresh all The <<chronyc.adoc#refresh,*refresh*>> command can be used to refresh all
sources immediately. sources immediately.