0
votes
1answer
29 views

Is there a way to connect VMWare Workstation / Fusion to non-esx Libvirtd-managed virtual machines?

I'm using KVM virtual machines managed through libvirtd server-side for most of my projects. On my desktop however, I'm using VMWare Fusion Professional which, just like its VMWare Workstation cousin, ...
1
vote
0answers
60 views

how to design network for virtual machines with just one nic

for the past week or so i've been recovering from the shock that i have literally no idea how my isp's network works, by getting a new box and trying to do a sensible design from scratch. our design ...
0
votes
0answers
112 views

CentOS Host KVM Virtual Machine running a Windows VM - No internet access

I've installed a KVM virtual machine on a CentOS host using libvirt. I've also set up a bridged connection from the interface en0:4 running on IP x.x.x.15 to br0. (The IP is a public one). Running ...
1
vote
2answers
81 views

KVM Disk Formats: Portability

I have recently begun experimenting with the KVM virtualization infrastructure. After deployment, I used virt-manager running on a management computer to build my first guest. I notice that, by ...
0
votes
3answers
185 views

Interface for accessing to guest OS via libvirt

Is there any possible (not necessary native) ways to get access (e.g., terminal usage is the main purpose for me) to guest OS with *nix using libvirt/LXC(not as libvirt module) capabilities? And I ...
2
votes
2answers
111 views

libvirt (KVM) inventory application?

I've got a bunch of LibVirt-managed (locally using virsh) KVM VMs on standalone Linux hosts (local KVM, local storage). Is there any web-based application out there that will track the inventory - ...
-1
votes
1answer
292 views

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 ...
0
votes
1answer
75 views

Keep guest time after shutdown using KVM/libvirt

I use KVM/libvirt based virtualization. Some of vm guests have set date far in future (2-3 years, different month, day, etc) After each guest shutdown down, the date is being set to host date ...
1
vote
0answers
558 views

How to config libvirt network setting about disabling dnsmasq “except-interface=lo”?

Here is the thing. My VMs run with libvirt and use default network libvirt-provide, and I've mad each VM registers its hostname to dnsmasq set by libvirt. so I want to look up its hostname for ...
2
votes
2answers
671 views

How to detect hypervisor host name/IP from inside a KVM virtual machine?

We have a small fleet of KVM/libvirt hosts with a few hundred virtual machines on it, managed by a group of sysadmins in disparate locations. I've run into a problem where I am connected to a virtual ...
1
vote
2answers
810 views

Ovirt doesn't create live snapshot

I installed oVirt. If I suspent VM and create snapshot it's ok, but if I try to do live snapshot on the stage "Finalizing" ovirt have fail. Ovirt, VDSM and NFS storages are on the same local server. ...
1
vote
1answer
209 views

Changing the mac address in a libvirt xml config file breaks network connectivity for the guest

I'm using Xen with libvirt and trying to set it up on a bridged interface. I am able to install an OS and everything works as I would expect. If I save the xml output from "virsh dumpxml guest", edit ...
0
votes
1answer
169 views

Snapshot a KVM guest with non-file storage

I am preparing at least one Windows 7 guest on a KVM Linux (ubuntu) host. I have made an LVM-based storage pool which I would like to use. My main concern is snapshots. The disk-image will be ...
1
vote
2answers
785 views

Set startup order for KVM virtual machines via libvirt?

I have some server applications failing because their virtual machine starts up before the database virtual machines. Anyway to configure libvirt to start them up in a certain order and possible ...
0
votes
1answer
477 views

KVM/libvirt host has vnet for each guest?

Totally new to KVM here, so maybe there is nothing wrong with my set up, but I am running 10 guest VMs on my Ubuntu 12.04 server via KVM and I just noticed that ifconfig returned a plethora of ...
1
vote
1answer
155 views

Apply libvirt nwfilter without editing of XML

Is it possible to apply libvirt's network filter to a KVM guest without manually editing the XML (for use in scripts)? Or is there any easy way of pushing the network filter configuration into ...
8
votes
3answers
330 views

Technology for short-lived private VMs

I'm trying to build a system that will run short-lived (CI and test builds) of software components, it's mandatory according to my requirements that each live on a private host. I'm taking that ...
2
votes
0answers
425 views

Debian Squeeze Preseed Installation “The current kernel doesn't support the Logical Volume Manager. You may need to load the lvm-mod module.”

I'm attempting to install Debian Squeeze via an instalinux.com image pre-seeded with more or less default settings. (Only notable addition is the openssh server, which is a clickable option in the ...
1
vote
2answers
782 views

Wake-on-lan to trigger virtual-machine with kvm and libvirt

I'm doing virtualization with KVM and managing via the Libvirt daemon. How do I start a virtual machine via wake-on-lan?
1
vote
1answer
221 views

libvirt : Host - Guest can't get the correct route to make both pingable

I'am runing A Ubuntu server as a Host, and I've a CentOS guest hosting an oracle database. Everything was working just fine, until someone init 6 the server (What a great idea!). So I've to ...
2
votes
2answers
2k views

Any way to release focus on a KVM guest in virt-manager without having to click Ctrl_L + Alt_L?

Is there a way to move my mouse in and out of a KVM guest in virt-manager without having to click to gain focus of the window and release focus by pressing Ctrl_L+ Alt_L? BACKGROUND I typically ...
10
votes
1answer
11k views

KVM and Libvirt - How do I hotplug a new virtio disk?

I am trying to hot-add a file-based disk to a running KVM virtual server. I've created a new disk from scratch using the command dd of=/home/cloud/vps_59/test.img bs=1 seek=5G count=0 and I was ...
1
vote
1answer
118 views

Flexible virtualization infrastructure Design with libvirt

I'm going to install a CentOS6 Server with Virtualization ( libvirtd ) capabilities on a DELL Server with Hardware RAID5 of around 6T of disk space ( It has 4x2T disks in a PERC700 RAID Controller ). ...
1
vote
2answers
185 views

Measure the migration time

I am using KVM through virt-manager to test the performance in terms of migration speed on different types of network. However, I can't find any documents detailing on measuring the migration time. ...
1
vote
4answers
3k views

KVM slow guest i/o

Host: Debian 6.0 (squeeze) with qemu-kvm and libvirt from squeeze-backports ii qemu-kvm 1.0+dfsg-8~bpo60+1 ii libvirt-bin 0.9.8-2~bpo60+2 Has ...
0
votes
1answer
6k views

virsh: VM console does not show any output

I have a VM which I can start with virsh. According to virsh dumpxml VM1, this is the allocated pty: <serial type='pty'> <source path='/dev/pts/6'/> <target port='0'/> ...
9
votes
1answer
3k views

Read/write access for passthrough (9p) filesystems with libvirt/qemu?

I have recently started experimenting with the support for passthrough filesystems in recent versions of KVM/QEMU/libvirt. Making the filesystems available for read access has "just worked", but I'm ...
1
vote
2answers
341 views

Downloads stuck from a VM run by libvirt (kvm) on Ubuntu 10.04 LTS

I first wrote my problem on stackoverflow thinking it was a Maven proxy software problem. But I realised it was more a problem with my virtualization stack (libvirt 0.7.5-5ubuntu27.19 / kvm ...
1
vote
1answer
424 views

virsh slow execution

I'm using libvirt with Xen 4. Every time I use the virsh tool, it takes a long time until it's started. I start virsh on the same machine where the Xen hypervisor resides. Example: root@xen1:~#: ...
3
votes
1answer
2k views

How to keep time on resumed KVM guest with libvirt?

On my host I am using libvirt and a KVM guest. When the host is shutting down, libvirt suspends the guest. When the host is starting up, libvirt resumes the guest. The problem is, if the guest is ...
2
votes
2answers
2k views

qemu-kvm/virsh: No network connectivity whilst using bridged networking

I'm having an issue with performing virtualisation via libvirt/qemu-kvm, in which my set up for bridged networking doesn't appear to be working correctly. I've followed every tutorial I can find and ...
1
vote
1answer
301 views

Libvirt: create a network bridged to the LAN (eth0)

I have a Xen-enabled host and Libvirtd running on a machine. The LAN (on eth0) is 192.168.1.0/24, and the host has 192.168.1.174 as its main IP address. Now what I want to do is to create a domU ...
3
votes
1answer
984 views

Virt-manager: unable to open a connection to the libvirt management daemon

I'm having a bit of trouble connecting to my virtual machine host, which is an Ubuntu server running KVM/Libvirt. I can connect to the server using an Ubuntu client and I can connect via virsh on a ...
5
votes
2answers
7k views

Changing boot device for a QEMU-KVM virtual machine

I am trying to change the boot device for a VM. I go to the VM's XML file in /etc/libvirt/qemu and set <boot dev='cdrom' />. Still, it attempts to boot from the harddrive instead of the cdrom. ...
2
votes
4answers
555 views

physical to virtual (kvm) migration with saving IP of guest and reusing it at host

I want to do a physical-to-virtual migration of BSD server, saving the IP address. The destination virtual host is Linux/KVM. The current setup: I had a BSD server with failed Hardware. I have just ...
1
vote
3answers
2k views

libvirt: how can I make a domain start when the host starts?

I would like some of my domains to start automatically when my host starts (I'm using libvirt+KVM on ubuntu). I guess I could put some "virsh start..." statements in rc.local, but is there a way to ...
2
votes
1answer
7k views

virt-convert OVF to KVM

I use a Red Hat Enterprise Virtualization system and need to get a VM off the system an onto a standalone box running KVM. Red Hat don't seem to support a way to do this, but commented that the ...
1
vote
2answers
598 views

LibVirt: Disk image has wrong size inside guest

I'm creating a new virtual disk using the following command*: $ virsh vol-create-as --format=qcow2 guest-disks disk_instid.24_diskid.30 8192M Vol disk_instid.24_diskid.30 created The "guest-disks" ...
0
votes
1answer
178 views

Virsh: Different XML with edit than dumpxml. Why?

I'm trying to fetch the VNC access data from a virtual machine managed by libVirt. However, when I run virsh dumpxml $machine, the vnc passwd is missing: <graphics type='vnc' port='-1' ...
2
votes
3answers
1k views

Monitoring and statistics through libvirt

Is it possible to monitor and gather statistics in realtime (CPU, memory, HDD, network, ... - something like dstat) of guest systems with libvirt through console from host system (KVM based)? If yes, ...
3
votes
3answers
918 views

KVM “live migration finished” detection

I'm using KVM (through libvirt actually) for a research project. We're live-migrating a virtual machine between different subnets, so after the migration the IP address and routing tables have to be ...
6
votes
6answers
5k views

Get list of DHCP clients with KVM+libvirt?

I have several VMs running on Ubuntu 9.10 via KVM+libvirt. I want to be able to find out the IP address that has been assigned to each host without physically opening a physical "console" to each ...
0
votes
2answers
487 views

Strange libvirt/KVM issue, destroying instances?

I have a libvirt/KVM server running on Ubuntu 9.04 with a variety of instances I use for testing. I was destroying instances via virsh and occassionally, destroying one instance would take out ...