Re: [Xen-users] Time/clock issues with Xen 3.0.3?

[Tim Post <tim.post@xxxxxxxxxxxxxxx>]

On Wed, 2006-11-29 at 10:58 +0000, Chad Oleary wrote:
> ntp is to correct drift. It was not designed be the clock itself. 

> If the. clock doesn't keep proper time, do you add more clocks to keep it 
> correct? 

> No, you fix the clock.
> 

Sometimes you can't ... and when you need to keep a cluster of machines
in step with each other its very practical. ULV (Ultra low voltage)
machines typically suffer from shotty clocks, Especially PII / Pentium
Pro based boards.

The comparison is quite relevant because resource usage on (very) small
guests was voiced as a concern. Very small guests with jittery clocks
are very much like ULV biscuits. 

> Ntp has it's place. But, it doesn't work well with a broken clock

> Throwing ntp at this is inappropriate.

Its very appropriate since its drift we're correcting.

Best,
-Tim



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