Re: [Xen-users] Re: XEN and Windows Guests in critical environment(hospital)

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Ligesh wrote:
> On Sat, Jun 23, 2007 at 10:15:25PM +1000, James Harper wrote:
>   
> > problems when virtualisation isn't involved, and the last thing you want
> > is one of the vendors throwing their hands in the air and saying
> > 'Xen/VMWare'??? We don't support that!!!
> >
> >     
>  Why would you want to tell the application software folks that you are running 
> it inside Xen? How can they even find out? Just let them login to the windows 
> machine like they normally do, and even if they are experts on virtualization, 
> I don't think there is an easy way to determine that. Even the windows os 
> itself has no idea it is running in a virtualized environment. In fact, that's 
> the entire point of virtualization--virtualize nothing or at the most, the 
> kernel, and the apps all work transparently, since otherwise the entire thing 
> becomes pointless.
>
>  As for virtualization itself, you need to check the stability of Xen itself, 
> which has only been tagged stable recently. Virtualization makes it easier to 
> manage, and overall I would say increases the reliability, simply on account of 
> being easier to keep track of, and also take backups, migrate in case of 
> hardware failure etc.
>   
Well, sending them a "sysreport" output might be a good hint, because it 
will name the Xen kernel. In fact, why would you want to lie about it? 
Not telling a vendor your actual setup is begging for them to suffer.
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