Darren.Reed at Sun.COM wrote:
> Brian Utterback wrote:
>
>> Here is what I propose in the V4 code:
>>
>> In V4, ntpdate is no longer used. Instead, the NTP has a new mode
>> that is used only on the first synchronization. It goes into a
>> super fast mode that gets an offset to within a second in about
>> 5 seconds instead of the 5 minutes previously needed. It will then
>> correct this offset, regardless of the magnitude, just as ntpdate
>> does now. It will do this just once, afterward imposing a 20 minute
>> maximum offset.
>>
>>
> ...
>
> (This isn't OpenSolaris specific....)
>
> Something that I've noticed the NTP daemon cannot do is
> deal with clocks that just won't align. The worst culprit that
> I have run into is running anything inside of vmware workstation,
> where the best solution I've found is to run ntpdate every 10
> or so minutes. Is there any hope that NTPv4 will be better?
>
> Darren
>
Well, nothing can make a system clock is not well behaved do
very well. NTP can only correct up to an error of 500 parts
per million, which is still pretty small.
