Re: [Qemu-discuss] Qemu memory ballooning for Windows guest

[Steffen Weißgerber]

Hi,

did you installed the balloon driver within the Windows VM?

Regards

Steffen

>>> Nguy?n Tru?ng Son<address@hidden> schrieb am Dienstag, 13.
Oktober 2015
um 20:41:
> Hi all
> 
> I tried to set the ballooning for Windows guest.
> My environment:
> - OS: Centos 6.6
> - Libvirt 1.2.14 (build from source)
> - Qemu: 2.4.0.1 (build from source)
> - VM :Windows 7 with installed virtio driver
> 
> Libvirt xml config contain:
> 
> <memory unit='KiB'>4524288</memory>
> <currentMemory unit='KiB'>1524288</currentMemory>
> 
> 
> <devices>
>     <memballoon model='virtio'>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x02'
> function='0x0'/>
>       <stats period='10'/>
>     </memballoon>
>   </devices>
> 
> But the guest actual memory is alway 1524288 (use virsh dommeminfo),
> vm view memory is
> 4524288
> 
> And the memory for qemu process is between 1524288 and 4524288.
> 
> I see that ballooning is ok for linux:
> 
> - Acctual memory < 1524288 (ballooning)
> 
> - Current VM memory = 1524288
> 
> - Max memory for hotplug = 4524288
> 
> Can some one show me how to run it with Windows guest.
> 
> Thanks
> 
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