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[Xen-users] Re: 2.6.27 domU clock drift

To: Brad Plant <bplant@xxxxxxxxxxxx>
Subject: [Xen-users] Re: 2.6.27 domU clock drift
From: Ferenc Wagner <wferi@xxxxxxx>
Date: Mon, 29 Dec 2008 17:54:19 +0100
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In-reply-to: <20081205165107.3e28ac85@daedalus> (Brad Plant's message of "Fri, 5 Dec 2008 16:51:07 +1100")
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Brad Plant <bplant@xxxxxxxxxxxx> writes:

> In the old configuration, the time on the domU's were in sync with the
> dom0. This made keeping the correct time easy by running a single
> instance of ntp on the dom0 and all the domU's would follow. In the
> new configuration though, the domU's seem to have their own time which
> drifts relative to the dom0 and the other domU's. The behaviour in the
> 2.6.18 kernel could be changed via
> /proc/sys/xen/independent_wallclock, but the 2.6.27 kernel seems to
> have no such option. Is there a kernel option (maybe for an RTC
> driver?) that I need to compile in to restore the old behaviour or do
> I now need to run ntp in every domU?

Yes, you have to run ntpd in each domU.
-- 
Cheers,
Feri.

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