Certain Windows server hard code on how many sockets it supports: http://www.openwebit.com/c/how-to-run-windows-vm-on-more-than-2-cores-under-kvm/
> -----Original Message----- > From: Chiradeep Vittal [mailto:chiradeep.vit...@citrix.com] > Sent: Monday, November 18, 2013 1:53 PM > To: dev@cloudstack.apache.org > Subject: Re: Windows support for KVM > > I don't really understand the issue. > What is the difference between > <vcpu>8</vcpu> > > and > > <vcpu>1</vcpu> > <cpu> > <topology sockets='1' cores='8' threads='1'/> </cpu> > > > Why does Windows see only 4 cores in the first case? Is it because the 8 > cores are split across physical sockets? > > > On 11/18/13 6:55 AM, "Arnaud Gaillard" <arnaud.gaill...@xtendsys.net> > wrote: > > >Hello, > > > >A few days ago I created a new Jira ticket for the support of topology > >in network offering for KVM. This is needed in order to support Windows > >VM in KVM (currently the limitation are such that it is not really > >possible to deploy real Windows VM with this configuration). > > > >The JIRA is > >CLOUDSTACK-5071<https://issues.apache.org/jira/browse/CLOUDSTACK- > 5071> > >and > >is refering to a bug opened before: > >CLOUDSTACK-904<https://issues.apache.org/jira/browse/CLOUDSTACK- > 904> > >. > > > >As I have received no comment on it, I would like to know if the > >support of topology in service offering was considered as a priority, > >and if the impact on the GUI was studied? > > > >Cheers!
