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Hi, I noticed that libvirt support the following hypervisors currently: * The KVM/QEMU <http://libvirt.org/drvqemu.html> Linux hypervisor * The Xen <http://libvirt.org/drvxen.html> hypervisor on Linux and Solaris hosts. * The LXC <http://libvirt.org/drvlxc.html> Linux container system * The OpenVZ <http://libvirt.org/drvopenvz.html> Linux container system *

Hi, Seems this question is not related with libvirt directly, but I still want to ping this list to see if someone can be help. The OS in my desktop box is Ubuntu 12.10, the kernel is 3.5.1. I installed the cgroup utility package with:#apt-get install cgroup-bin, but after I installed these packages successfully, I can't find cpu_quota/cpu_period controller in the /sys/fs/cgroup/cpu folder.

On 05/29/2013 04:28 AM, Eric Blake wrote: > On 05/28/2013 02:24 PM, Eric Blake wrote: > >>> So the question is: is there any method I can't find yet to change the >>> vcpu count of a running vm dynamically? >> Wait for newer qemu and libvirt, or else pitch in and help write patches. > You might not have to wait that long - if you could help test these >

Hi, I am using the libvirt 1.0.6 with the patch applied: http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=371c155 The problem I encountered is, with virsh comand 'nodedev-create /home/kvm/vHBA.xml', the vHBA can be generated as expected on the host, but error msg will show in the virsh shell: libvirt: Node Device Driver error : Node device not found I try to find the reason with

Hi, We know that there is a command "setvcpus" in virsh used to "change number of virtual CPUs", now we just have the need to change vcpu count dynamically for a running VM, so I tried this command (the vcpu count is 2 in the VM xml file), below is the result: virsh # setvcpus 3 --count 4 error: invalid argument: requested vcpus is greater than max allowable vcpus for the

All, These days I am trying to understand the interaction relationship between the libvirt and KVM kernel module, eg. kvm_intel.ko. We know that KVM kernel module expose an entry in form of device file "/dev/kvm" which can be accessed by user space application to control, for example, create a VM using KVM_CREATE_VM with help of ioctl. Now let's say the tool virsh based upon

Hi, When I want to use NPIV for a FC HBA in my Linux machine, I got the below error msg in virsh: virsh # nodedev-create /home/kvm/vHBA.xml error: Failed to create node device from /home/kvm/vHBA.xml error: internal error Parent device scsi_host20 is not capable of vport operations I checked the /sys/class folder for my HBA device that I want to use its NPIV feature, it's there:

On 06/01/2013 03:16 PM, Dennis Chen wrote: > On 05/29/2013 04:28 AM, Eric Blake wrote: >> On 05/28/2013 02:24 PM, Eric Blake wrote: >> >>>> So the question is: is there any method I can't find yet to change the >>>> vcpu count of a running vm dynamically? >>> Wait for newer qemu and libvirt, or else pitch in and help write >>> patches.