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Questions tagged [libvirt]

libvirt is an API and toolkit for developing applications which manage virtual machine hypervisors, the virtual machines running under them, and virtual machine storage.

libvirt is an API and toolkit for developing applications which manage virtual machine hypervisors, the virtual machines running under them, and virtual machine storage.

libvirt runs on Linux, Solaris and Windows.

libvirt supports the following hypervisors: KVM/QEMU, Hyper-V, VMware, Xen, VirtualBox, OpenVZ, LXC, User Mode Linux, and others.

libvirt suports the following storage: local file images, raw disk storage, LVM, FibreChannel, iSCSI, NFS.

610 questions
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KVM/libvirt: Guest monopolizes bridge

I'm having a problem in which the first guest started on a VM host can send traffic through both of its assigned interfaces, but subsequent guests can only send traffic through one interface. My VM host setup: CentOS 6.7 (kernel…
Chris
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ERROR Host does not support virtualization type 'hvm

hello I have a problem in installing vm on KVM using libvirt(virsh install -) sudo virt-install -n ccnx1 -r 512 --vcpus=1 --os-type=linux --accelerate --nographics -v -l ~/ubuntu-12.04.5-alternate-i386.iso --disk…
user245637
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KVM unix socket file permission for VNC

I'm using kvm-qemu/libvirtd for a bunch of kvms. I'm using vnc for the graphical interface. By default, it listens on a tcp socket. I want to have it listen on a unix socket instead. Looking at some docs (http://libvirt.org/formatdomain.html) I…
vimalloc
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Live migration (kvm) not working if any I/O operation is in progress

I did this experiment: on VM I started watching a video on youtube. While video was in progress I started migration. Migration did not complete until video was not finished. I did another experiment: I installed a web server on VM. I then started an…
Phate
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Import virtualBox appliance to KVM

Im new using KVM as a virtualization solution. Currently I'm using VirtualBox to manage my virtual machines in my personal computer, but I'm moving my virtualization to a Server, so I set up a Linux server with KVM. And now I'm trying to import a…
Hugo Bulnes
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how to upgrade libvirt?

I'm trying to install openstack on RHEL 6.2. Following installation guide from openstack.org, I'm using the command: yum install openstack-nova openstack-glance After resolved many dependencies, I got the final error: Error: Package:…
TieDad
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Blocking mac spoofing on libvirt guests using openflow

I have a couple of kvm vms running with libvirt and they are using openvswitch bridges. I need a mechanism to prevent mac spoofing on a guest. I tried libvirt filters no-mac-spoofing and clean-traffic but they only work with linux bridges. I thought…
igalvez
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Disable libvirt storage pools

It seems every time I create a VM with virt-install a new storage pool is created. But I don't use storage pools at all! I looked in the virt-install manual but could find a way to prevent this from happening. Also been looking for any settings in…
MrCalvin
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Live migration without stopping source VM after migration

Is there any possible way to perform live migration using KVM/QEMU/libvirt without stopping source VM after migration? I want to make full consistent backup of VM under KVM hypervisor without stopping of this VM. So idea is to perform live migration…
Ivan Olshansky
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VM running perfectly when its disk image is deleted?

Does anyone has such experience that you accidentally delete the used disk image when virtual machine is running? I would expect that the virtual machine will fail immediate, but, surprisingly, it still running perfectly. I have tried to execute…
user1817188
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