Re: [Xen-users] [Just a new try] Questsions about Stubdomains

[xen@xxxxxxxxxx]

Zitat von Ian Campbell <Ian.Campbell@xxxxxxxxxx>:

> On Tue, 2012-12-11 at 07:22 +0000, xen@xxxxxxxxxx wrote:
> > Hello all,
> >
> > I hope that it now works and there is no longer problems with my
> > mailsystem. It could be that it already worked but it doesn't look
> > like because the mail don't came back from the list.
> >
> > I am trying to setup stubdomains for my running domains on Xen 4.2. I
> > read this wiki articles:
> >
> >
> > http://wiki.xen.org/wiki/StubDom
> > http://wiki.xen.org/wiki/Device_Model_Stub_Domains
> >
> > I am able to activate a stubdomain for a normal domain but this domain
> > is so basic in it's resources (e.g. 32MB RAM) that the normal guest
> > can't be used.
> I'm not sure what you mean by this.
>
> >  How can I tell the domain that it should use a
> > stubdomain with an explicit configuration? Do I need to create a
> > config file for the stubdomain in the same folder where the
> > configuration for the normal domain is stored? Or how could I do this?
> Enabling stubdomains for an existing HVM guest should be a case of
> adding a single line to its configuration file:
>    device_model_stubdomain_override = 1
>
> This option is described in the xl.cfg(5) man page and is referenced by
> the second wiki page you linked above.
>
> If you continue to have trouble then please provide log files and your
> guest configuration file.
> http://wiki.xen.org/wiki/Reporting_Bugs_against_Xen contains a handy
> list of places to look for logs etc.
>
> > And should I use stubdomains for PV and HVM guest or does only HVM
> > guests support stubdomains?
> A qemu stubdomain only makes sense for an HVM guest since a PV guest has
> no emulated devices and therefore no emulated devices (which is what a
> qemu stub provides).
>
> > Would be greate to get a few answers.
> >
> > Best Regards
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxx
> > http://lists.xen.org/xen-users
Hello Ian,

I tested it with the directive device_model_stubdomain_override again  
an now this works, in the past I always had the problem that the  
stubdomain got created but the guest speed was so low that it couldn't  
be used so I thought that the memory of the stubdomain which is shown  
in lx list would be the reason.
So does the configuration of the stubdomain which is created with  
device_model_stubdomain_override created is the default and best way?  
And does PV guests support ioemu stubdomains?
Best Regards


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