[ntp:questions] Wrong time after changing hardware

Harlan Stenn stenn at ntp.isc.org
Tue Jul 24 19:50:34 UTC 2007

>>> In article <46A5F428.6050005 at comcast.net>, "Richard B. Gilbert" <rgilbert88 at comcast.net> writes:

Richard> Steve Kostecke wrote:
>> On 2007-07-24, Richard B. Gilbert <rgilbert88 at comcast.net> wrote:
>>> If the drift value has not changed significantly, it would be sufficient
>>> to simply "touch" the file to reset the date/time. Is writing a one
>>> block file once per hour really that heavy a load on the system?
>> Embedded systems / appliances which use flash memory are one place where
>> writing/touching files unecessarily is a BadThing(tm).

Richard> If it's a significant problem, perhaps ntpd should have a build
Richard> option that disables the writing of a drift file.

That option is already there.

A drift file is useful, and the point you seem to be missing is that there
is a class of users who want it written, but as infrequently as possible.


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