[ntp:questions] NTP shared memory driver
Harlan Stenn
stenn at ntp.org
Thu Sep 11 22:16:26 UTC 2014
clouddese at gmail.com writes:
> My configuration file il se following:
>
> #
> driftfile /var/log/ntp.drift # path for drift file
> logfile /var/log/ntp.log # alternate log file
>
> # shared memory configuration
> server 127.127.28.0 minpoll 4 maxpoll 4 prefer
> fudge 127.127.28.0 time1 0.420 refid SHM1 stratum 0 true
>
> server 127.127.28.1 minpoll 4 maxpoll 4
> fudge 127.127.28.1 time1 0.420 refid SHM2 stratum 0 true
stratum 0 is too "good". I think you want 1, maybe 2.
What do you think the "true" at the end of your fudge lines is doing?
> Querying the ntp gives me:
>
> emh2 at tutnix:/etc$ ntpq -p
> remote refid st t when poll reach delay offset jitte
> r
> =============================================================================
> =
> SHM(0) .SHM1. 0 l - 16 0 0.000 0.000 0.00
> 0
> SHM(1) .SHM2. 0 l - 16 0 0.000 0.000 0.00
> 0
>
> Seems that nothing is working.
Yes, until you start getting ntpd to accept data samples from your SHM
socket nothing will be working there.
H
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