[ntp:questions] Is 24PPM an Excessive Real-Time Clock Correction?
Richard B. Gilbert
rgilbert88 at comcast.net
Mon Jul 9 14:38:04 UTC 2007
> Richard B. Gilbert wrote:
>> David T. Ashley wrote:
>>> I have ntpd running on a RHEL Linux Dell 1U rack server in another city.
>>> I have no experience with other servers (to know how accurate the
>>> clocks are or are not).
>>> The value of "drift" that gets settled on after a few days is 24 PPM
>>> (about 14 seconds/week).
>>> This strikes me as a little high, because even my $20 Timex watch
>>> does better than this.
>>> Any insight into whether 24 PPM is excessive for my server?
>> Consider that a computer manufacturer typically spends something like
>> $2 US on the components for the clock!
> You say "the clock" like as if there were only one.
I meant the time of day clock; it's the only one that ntpd concerns
itself with. I thought it would be obvious from the context!
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