[CentOS-virt] CentOS and Xen 3.0.3

Pasi Kärkkäinen

pasik at iki.fi
Sun Apr 4 16:11:29 UTC 2010


On Sat, Apr 03, 2010 at 11:49:00PM -0300, Gilberto Nunes wrote:
> Hi
> 
> I install CentOS 5.4 and try to use Xen....
> 
> But when I deploy some VM with Virt-manager and specify 2 or more
> VCPUS to use, when start the vm it start with just one CPU...
> On this VM I install Windows 2003 Server...
> This the file of VM:
> 
> name = "Avision"
> uuid = "625139bf-1ad3-86fc-45e6-e8efbb9db643"
> maxmem = 2048
> memory = 2048
> vcpus = 4
> cpus = "0,1,2,3"
> builder = "hvm"
> kernel = "/usr/lib/xen/boot/hvmloader"
> boot = "c"
> pae = 1
> acpi = 1
> apic = 1
> localtime = 1
> on_poweroff = "destroy"
> on_reboot = "restart"
> on_crash = "restart"
> device_model = "/usr/lib64/xen/bin/qemu-dm"
> usb = 1
> usbdevice = "tablet"
> sdl = 0
> vnc = 1
> vncunused = 1
> keymap = "pt-br"
> disk = [ "phy:/dev/etherd/e3.3,hda,w" ]
> vif = [ "mac=00:16:36:2f:fd:7c,bridge=xenbr0,script=vif-bridge,model=ne2k_pci" ]
> parallel = "none"
> serial = "pty"
> 
> But, on windows I just  see one CPU...
> I don't understand why this happen!!
> 

Verify that your windows is using the multi-cpu HAL.
If it uses the single-cpu HAL then you won't be able to see more than 1 cpu.

See microsoft website and google for more information.

-- Pasi




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