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 without stopping source VM, than after successful migration stop VM on destination host using … Read more
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 8 years ago. Improve this question Does anyone has such experience that you accidentally delete the used disk image when virtual machine is running? I would … Read more
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: openstack-nova-compute-2012.2.2-1.el6.noarch (epel) Requires: libvirt >= 0.9.6 Installed: libvirt-0.9.4-23.el6.x86_64 (@anaconda-RedHatEnterpriseLinux-201111171049.x86_64/6.2) libvirt = 0.9.4-23.el6 I installed libvirt 0.9.4 from the RHEL 6.2 DVD, but it … Read more
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 see: “Rather than using listen/port, QEMU supports a socket attribute for listening on a unix … Read more
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 2.6.32-573.7.1.el6.x86_64) libvirt-0.10.2-54.el6.x86_64 qemu-kvm-0.12.1.2-2.479.el6_7.2.x86_64 The host has 4 interfaces: em1, em2, em3 and em4 I bonded … Read more
Do someone have correct tcp vnc configuration for kvm? I have tried various ways correcting lines in libvirt.conf, qemu.conf, but they do not help (changing listen address, changing flags, changing ports). Vnc always reject to listen on tcp connection. Now I simply remember that initially I should have changed listen_addr for vnc, set listen_tcp = … Read more
Where libvirt rpc protocol is used? Is it used inside remote connection communication? I have read that it used between libvirt library and libvirt daemon. Answer The libvirt RPC protocol is a private communications protocol allowing the libvirt.so library to talk to libvirtd daemon. It is not intended for end users to directly access the … Read more
I am a bit lost regarding my kvm setup. I rented a root server at hetzner.de and now wanted to setup virtualization using libvirt & kvm. I created a bridge br0 which now holds the static server ip (instead of the default interface enp2s0). Linking a /29 subnet to the bridge and assigning a static … Read more
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 the libvirt/qemu config file to disable storage pools … Read more
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 virtualBox vm to KVM. So far I couldn’t make it … Read more
