[ntp:questions] Slow sychronization
Unruh
unruh-spam at physics.ubc.ca
Wed Aug 19 01:00:01 UTC 2009
"Richard B. Gilbert" <rgilbert88 at comcast.net> writes:
>Ray wrote:
>> Hi All,
>>
>> I am running a new version of the NTP daemon, version 4.2.4p6, on a Linux
>> machine with kenel version 2.6.27.
>>
>> When I start the daemon, the peer information shows that all the peer have a
>> offset of about 30 milliseconds. This offset will increase to about 50
>> milliseconds after an hour. It might take many hour to days before the
>> offset comes down to a few milliseconds. I tried using 'iburst' on the peers
>> to see if this would speed things up, but it made no difference.
>>
>> Are there any settings to speed up this process? Is the a problem with this
>> version of NTP?
>>
>> Thanks,
>> Ray
>> ---------------------
>>
>>
>The topic has been visited several times in the last year or two. The
>only solution I know of is to let ntpd run continuously. If, for any
>reason, you need to shut down and reboot regularly, ntpd is probably a
>poor choice.
>There is software available called "chrony" which provides
>"gratification now". I am uncertain as to whether it provides the same
>accuracy as ntpd.
In my tests, it provides about a factor of 2 better accuracy than does
ntpd.
It runs on Linux and BSD.
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