[time-nuts] Recommendations for NTP server

Poul-Henning Kamp phk at phk.freebsd.dk
Tue Apr 25 10:01:10 EDT 2006


In message <$AguiKAZuUTEFw0R at g8kbz.demon.co.uk>, Geoff Powell writes:

>Meanwhile, FreeBSD with your patches on a NET4501 will give units of
>microseconds?

It's all in stock FreeBSD, no patches needed.

The major problem you will have is that NTPD isn't very good once
you get down into microseconds.

>Yes, I am aware of flash memory wear-out problems. I was thinking of
>NFS-mounting a directory elsewhere on my network as scratch space.

That would work too.

>>I wrote a hack called "Remote RRD" which sends updates in UDP packets
>>to another host which hosts the RRD file and web-pages and all that
>>to get around this problem.
>
>Aha! A cure. Would you post a URL? Pretty please?

http://phk.freebsd.dk/rrdd

It's not very slick, but it works :-)


-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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