how to balloon memory with a Windows guest domain under Xen

how to balloon memory with a Windows guest domain under Xen

[Niu Yan]

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  I want to balloon memory with a Windows guest domain. I found that there
is
a patch(
http://lists.xensource.com/archives/html/xen-devel/2008-12/msg01030.html).
1.  is it included in Xen-3.4.0? If no, where can I find it?
2.  can it work with Winders guest domain?

Thanks in advance!

-- 
Best regards,
Niu Yan

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Re: how to balloon memory with a Windows guest domain under Xen

[George Dunlap]

To balloon a Windows guest, you need a balloon driver installed in
Windows.  You can find them here:
 http://wiki.xensource.com/xenwiki/XenWindowsGplPv

The patches I submitted last December work in conjunction with the
balloon driver.  They have been included since Xen 3.4.

 -George

On Wed, Dec 9, 2009 at 11:32 AM, Niu Yan <vivian.niu@gmail.com> wrote:
>   I want to balloon memory with a Windows guest domain. I found that there
> is
> a
> patch(http://lists.xensource.com/archives/html/xen-devel/2008-12/msg01030.html).
> 1.  is it included in Xen-3.4.0? If no, where can I find it?
> 2.  can it work with Winders guest domain?
>
> Thanks in advance!
>
> --
> Best regards,
> Niu Yan
>
>

RE: Re: how to balloon memory with a Windows guest domainunder Xen

[James Harper]

> 
> To balloon a Windows guest, you need a balloon driver installed in
> Windows.  You can find them here:
>  http://wiki.xensource.com/xenwiki/XenWindowsGplPv

The code to support ballooning isn't really working yet. It's on my list
of things to do but hasn't been high priority at this point.

James

Re: Re: how to balloon memory with a Windows guest domainunder Xen

[Niu Yan]

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Is there a schedule to release it by now ?  Looking forward to it!

On Thu, Dec 10, 2009 at 6:26 AM, James Harper <james.harper@bendigoit.com.au
> wrote:

> >
> > To balloon a Windows guest, you need a balloon driver installed in
> > Windows.  You can find them here:
> >  http://wiki.xensource.com/xenwiki/XenWindowsGplPv
>
> The code to support ballooning isn't really working yet. It's on my list
> of things to do but hasn't been high priority at this point.
>
> James
>



-- 
Best regards,
Niu Yan

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Re: Re: how to balloon memory with a Windows guest domainunder Xen

[George Dunlap]

James Harper wrote:
>> To balloon a Windows guest, you need a balloon driver installed in
>> Windows.  You can find them here:
>>  http://wiki.xensource.com/xenwiki/XenWindowsGplPv
>>     
>
> The code to support ballooning isn't really working yet. It's on my list
> of things to do but hasn't been high priority at this point.
>   
In that case, you might look at the binary Citrix drivers provided along 
with the Xen Cloud Edition.  I believe the installer can be found on the 
main iso available on the xen.org website.  However, I've never 
installed them, and there may be some extra steps required to get them 
working.

 -George

Re: Re: how to balloon memory with a Windows guest domainunder Xen

[Pasi Kärkkäinen]

On Thu, Dec 10, 2009 at 10:52:28AM +0000, George Dunlap wrote:
> James Harper wrote:
> >>To balloon a Windows guest, you need a balloon driver installed in
> >>Windows.  You can find them here:
> >> http://wiki.xensource.com/xenwiki/XenWindowsGplPv
> >>    
> >
> >The code to support ballooning isn't really working yet. It's on my list
> >of things to do but hasn't been high priority at this point.
> >  
> In that case, you might look at the binary Citrix drivers provided along 
> with the Xen Cloud Edition.  I believe the installer can be found on the 
> main iso available on the xen.org website.  However, I've never 
> installed them, and there may be some extra steps required to get them 
> working.
> 

Here's the patch to Xen that enables Citrix/XCP Windows PV drivers to
work on "normal" Xen:

http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00932.html
http://xenbits.xen.org/xen-unstable.hg?rev/be9b8be3c648

If you don't want to patch your Xen, check out these emails:
http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00147.html
http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00201.html

(For the manual Xenstore change, and the Windows registry change).

-- Pasi

Re: Re: how to balloon memory with a Windows guest domainunder Xen

[Niu Yan]

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I just want to balloon the memory of Windows guest,  it seems that neither
GPLpv driver nor  Citrix/XCP Windows PV drivers  includs it.

who ever has tried it?


On Thu, Dec 10, 2009 at 8:24 PM, Pasi Kärkkäinen <pasik@iki.fi> wrote:

>  On Thu, Dec 10, 2009 at 10:52:28AM +0000, George Dunlap wrote:
> > James Harper wrote:
> > >>To balloon a Windows guest, you need a balloon driver installed in
> > >>Windows.  You can find them here:
> > >> http://wiki.xensource.com/xenwiki/XenWindowsGplPv
> > >>
> > >
> > >The code to support ballooning isn't really working yet. It's on my list
> > >of things to do but hasn't been high priority at this point.
> > >
> > In that case, you might look at the binary Citrix drivers provided along
> > with the Xen Cloud Edition.  I believe the installer can be found on the
> > main iso available on the xen.org website.  However, I've never
> > installed them, and there may be some extra steps required to get them
> > working.
> >
>
> Here's the patch to Xen that enables Citrix/XCP Windows PV drivers to
> work on "normal" Xen:
>
> http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00932.html
> http://xenbits.xen.org/xen-unstable.hg?rev/be9b8be3c648
>
> If you don't want to patch your Xen, check out these emails:
> http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00147.html
> http://lists.xensource.com/archives/html/xen-devel/2009-11/msg00201.html
>
> (For the manual Xenstore change, and the Windows registry change).
>
> -- Pasi
>
>


-- 
Best regards,
Niu Yan

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Re: Re: how to balloon memory with a Windows guest domainunder Xen

[Paul Durrant]

Niu Yan wrote:
> I just want to balloon the memory of Windows guest,  it seems that 
> neither GPLpv driver nor  Citrix/XCP Windows PV drivers  includs it.
>  

How do you conclude that? I told you that the Citrix PV drivers *do* 
include ballooning support.

   Paul

Re: Re: how to balloon memory with a Windows guest domain under Xen

[Paul Durrant]

George Dunlap wrote:
> To balloon a Windows guest, you need a balloon driver installed in
> Windows.  You can find them here:
>  http://wiki.xensource.com/xenwiki/XenWindowsGplPv
> 

You could also try the Citrix PV drivers which are part of the XenCloud 
platform. These will work on open source but there's a couple of hacks 
you'll need to do (one in the registry, one in xenstore). Let me know if 
you want to give them a try.

   Paul