Jeremy Huntwork wrote:
> On Sep 13, 2011, at 10:37 PM, Bryan Kadzban wrote:
>> Yes, but I think there's another way to accomplish this, without 
>> the long delay inherent in using -q.  If we can sync from the 
>> hardware clock at boot time, then the user only has to manually 
>> adjust (or run ntpd -q manually, and wait for it) whenever 
>> something else goes and changes the hardware clock, or on first 
>> boot.
>> 
>> If the system boots with a large discrepancy between the timeserver
>> and the kernel (as when the hardware clock is not UTC, or (?) you 
>> don't use the HCTOSYS kernel compilation option), then ntpd -q does
>> fix the issue. But that extends the boot time by several seconds
>> on every boot, when it may or may not be necessary to do so.
>> 
>> If the user can rely on a boot happening a short-enough time after 
>> a shutdown (I can :-) ), then they can just save the system clock 
>> to the hardware clock at shutdown time, restore it from there at 
>> boot, and (as long as nothing else has changed the hardware clock 
>> in between) skip running ntpd -q on each boot.  It doesn't have to 
>> be perfect, it just has to be less than the ntpd threshold.
>> 
>> (And, of course, the clock-setting has to happen before the ntp 
>> script runs.)
> 
> I wonder if you misread what I suggested... maybe?

I misread both what you suggested, and the manpage when I had looked
earlier.  Sheesh.  :-)

Yes, -g seems like it should work fine if it's included in the ntpd
daemonization command thing that the bootscript runs.

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