Re: [Xen-users] Switch Hardware Virtualization On/Off

["Nikola K. Zahariev" <nirangor@xxxxxxxxx>]

Thanks for the quick answer!

How do I create the HVM guest?

By including the following line in the config file: builder='hvm' ?

And when I want to use PV I just drop it away?

Thanks!

br,
Nikola




On Tue, Jun 9, 2009 at 11:38 AM, Fajar A. Nugraha<fajar@xxxxxxxxx> wrote:
> On Tue, Jun 9, 2009 at 4:25 PM, Nikola K. Zahariev<nirangor@xxxxxxxxx> wrote:
>> When is actually hardware virtualization being used?
>
> When you use HVM guest.
>
>> If we assume the CPU supports HV, does XEN use it by default?
>
> Xen tries to use it when you create HVM guest. If it's not available,
> domU creation failed.
>
>> Is there a possibility to switch it off, so that paravirtualization is used?
>
> Use PV guest.
>
>> How can I check if I am currently using HV or PV?
>
> Check what type of domU you're using. It's easiest to see from dom0
> (by looking at domU config or xenstore).
> There are also files/folder specific to PV domU (for example, on linux
> PV domU "cat /sys/hypervisor/type" should return "xen"). Or you could
> look at this : http://lxr.xensource.com/lxr/source/tools/misc/xen-detect.c
>
> --
> Fajar
>

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