Re: [chrony-dev] Let the kernel write the sys clock to RTC

["Piotr Grudzinski" <piotr@xxxxxxxxxxxxxxx>]

> From: "Bill Unruh" <unruh@xxxxxxxxxxxxxx>
> Curnow purposely disabled the 11 min mode for all the above reasons. Why 
> would
> you want to have it?

1. I pretty much agree with the following:
http://listengine.tuxfamily.org/chrony.tuxfamily.org/chrony-dev/2010/04/msg00034.html

2. The kernel writes to RTC at a 0.5 second mark so the error can be 
minimize in case of
power outage and no access to NTP servers.

3. In an extreme case, the only permanent storage, with r/w access, is a 
small
NVRAM in RTC. The estimated system clock error/drift ca be stored there.
And systems with flash based file systems have limited number of write 
cycles so
frequent logging is not recommended.

Regards,
Piotr



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