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Article ID: 12649
Last update: 05-01-08
Issue:
The ntp service on my xen paravirt guests does not work, how can I change this?
Resolution:

Paravirtualized guests within Xen are currently configured to sync their clocks to the dom0 host. This can be problematic in situations where guest clocks need to be in sync with another time source. To change this behavior, the following command must be run:

# echo 1 > /proc/sys/xen/independent_wallclock

In order to make the change survive reboots, add the following line to /etc/sysctl.conf

xen.independent_wallclock=1

Fully virtualized guests are able to sync via ntp without these steps.


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