Re: [Xen-users] NTP time issues DomU's

[andrew mathes <amathes@xxxxxxxxxxxx>]

yes, changing this value allowed domU independent syncing, thank you very 
much!!
i agree on the config file option if possible ...

On Thu, 12 May 2005, Tupshin Harper wrote:

> Ian Pratt wrote:
>
> > > yeah, i'm already doing that, I was just saying, it *seemed*
> > > like they were getting their time from domain0, and weren't
> > > actually changing their own clocks in accordance with syncing
> > > with the same ntpd server.
> >
> >
> > > especially since they're all off by exactly the same amount
> > > ... and running ntpdate doesn't seem to have any effect whatsoever?
> > If you don't run ntp in the domU's, it should just work.
> >
> > If you want to run ntp in the domU, try:
> > echo 1 > /proc/sys/xen/independent_wallclock
> >
> > I guess we could be smarter about this, and make the wall clock
> > independent automatically if someone does an adjtimex syscall. Anyone
> > got any comments on this?
> >
> > Ian
> Don't auto-detect based on adjtimex. It would be too easy and too
> confusing to accidentally make such a call once, and then not realize
> that you would no longer be auto-synchronized.
>
> Instead, make independent_wallclock be a config file option that is
> overridable by proc.
>
> -Tupshin
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