[CentOS-virt] KVM + virsh nodeinfo + CentOS 6.3

2012-10-25 Thread Matthias Hensler
Hi there, today I encountered the very same problem as described by Zoltan. We are running a system with the Intel serverboard S2600CP and two E5-2620 Xeon processors, with a total of 2 x 6 Cores with 2 threads each (resulting in a total CPU count of 24). Base system is a CentOS 6.3 with all rece

Re: [CentOS-virt] KVM + virsh nodeinfo + CentOS 6.3

2012-10-24 Thread Zoltan Frombach
Thank you for your quick reply! I understand the NUMA cell concept and I am using CPU pinning in the XML file. For example: Debian- 8388608 8388608 8 hvm ... ... This guest still hangs while starting up its Linux Kernel (3.2.x.x) ... :( Here is my virsh capa

Re: [CentOS-virt] KVM + virsh nodeinfo + CentOS 6.3

2012-10-24 Thread bertrand.louarg...@atoutlinux.net
Hello, You have a NUMA (Non Uniform Memory Access) machine, which mean that each processor has its own memory controller. virsh nodeinfo give you 2 NUMA cells with 1 CPU socket each: 2 NUMA cells x 1CPU socket x 6 Core(s) per socket x 2 threads per core = 24 "cores". The NUMA concept is really im

[CentOS-virt] KVM + virsh nodeinfo + CentOS 6.3

2012-10-24 Thread Zoltan Frombach
Hi, Please let me know in case I am posting my question to the wrong forum. I apologize if that is the case! Here is my question: We run CentOS 6.3 on a server with dual Xeon CPU's. Our "dual blade" server uses this motherboard: http://www.supermicro.com/products/motherboard/Xeon/C600/X9DRT-HF