WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

RE: [Xen-users] Changing how CPUS are presented to windows.

To: "Joseph Coleman" <joe.coleman@xxxxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: RE: [Xen-users] Changing how CPUS are presented to windows.
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
Date: Thu, 4 Nov 2010 09:34:54 +1100
Cc:
Delivery-date: Wed, 03 Nov 2010 15:37:49 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <C8F6E373.2C48%joe.coleman@xxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <C8F6E373.2C48%joe.coleman@xxxxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Act7Z5+ajan/m/r0RNqF8Nahh8Jf6gAP1p3g
Thread-topic: [Xen-users] Changing how CPUS are presented to windows.
> 
> Is there a way to change how CPU's are presented to Windows VM's?
Example if
> you have a quad core cpu server that is 8 virtual cpus, if you assign
all 8
> virtual cpus to a single windows server it is viewed as 8 individual
> processors. Is there any way to have windows see it as 4 and not 8?
The reason
> why is for SQL licensing. I am using open xen cloud.
> 

You need to tinker with cpuid config lines to change the way the CPU's
are presented. There are some fairly sparse comments about it in the
example configs but I'm sure someone has written a wiki entry about it
somewhere.

James

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>