Re: [chrony-dev] can chrony adjust H/W clock too ?q:q

[Bill Unruh <unruh@xxxxxxxxxxxxxx>]

On Wed, 21 Apr 2010, Miroslav Lichvar wrote:

> On Wed, Apr 21, 2010 at 08:53:53AM -0700, Bill Unruh wrote:
> > On Wed, 21 Apr 2010, Miroslav Lichvar wrote:
> > > We can add an option to unset the UNSYNC flag in chrony too (would be
> > > allowed only if rtcfile is disabled).
> >
> > That would completely destroy chrony's ability to determine the drift of the
> > rtc clock (or hwclock's ability to determine its drift). The ONLY use of the
> > rtc is for setting the intial clock. This would make that far worse.
>
> Some users don't need to know or compensate for RTC drift. They may be
> running servers 24/7 and they just want to have good time after
> a crash or power failure as there will be no shutdown sequence with
> hwclock executed. The 11 minute mode is good enough in such cases.

Agreed.

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