Re: Not working as advertised - Re: System time

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On Wed, Sep 02, 2015 at 09:29:27AM -0500, Dennis Gilmore wrote:
> any attempt to set the time based on something in the filesystem is going to 
> result in the time being off. if it is something baked in at compose or image 
> creation time the drift will get bigger over time. if it is some service that 
> sets it on shutdown the drift will be small. network is required to get it 
> accurate.
> 
> I would really like to know the use cases where chronyd is not sufficient and 
> the problems that people are trying to solve.

I think the purpose of saving and restoring system time from a file is
to have monotonic time on machines that don't have a network
connection or only have an intermittent connection, so messages in
logs can be sorted, make doesn't complain timestamps are in future,
etc.

-- 
Miroslav Lichvar
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