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How do you synchronise huge sparse files (VM disk images) between machines?
Is there a command, such as rsync, which can synchronise huge, sparse, files from one linux server to another? It is very important that the destination file remains sparse. It may be longer (but not...
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How to makesure VM is in Para virtualization mode on XEN?
I am having a server running XEN,with ubuntu 12.04 as Domain 0. Intel VT is turned on by default and i dont want to run any Windows OS as VM. So 1. how can i makesure that all the created VM will be...
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KVM-admin tools required
I require the KVM-admin tools that are supposed to be on the KVM home page http://www.linux-kvm.org/page/Kvmtools#Download but I am unable to find any refernce for then. Can anybody from the forum...
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Proxmox VE Logical Volume in RAW format?
I added a Volume group in Proxmox VE as Storage for KVM VMs. A new Logical Volume will be created for each VM, but in Proxmox VE under The Defined Storage which shows list of created Logical Volumes I...
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Where are the acpiphp and pci_hotplug kernel modules for KVM hotplug in...
On the this how-to I read the following: I loaded the following modules to get pci hotplug working: acpiphp pci_hotplug You can either add these to your distro’s module list to load on boot, or run a...
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KVM/Qemu, Ubuntu: Why do more guests CPUs enhance Disk-I/O rapidly?
We have an Heartbeat/DRBD/Pacemaker/KVM/Qemu/libvirt cluster consisting of two nodes. Each node runs Ubuntu 12.04 64 Bit with the following packages/versions: Kernel 3.2.0-32-generic #51-Ubuntu SMP...
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KVM – Guest does not recognize second NIC
I have a server running Proxmox (a virtualization platform), and created a KVM virtual machine with Ubuntu Server 12.10. After configuring the network, everything works fine, but if I add a second...
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DRBD & KVM replication is possible?
i have two KVM servers with some virtual machines. Server (A) KVM with qcow2 images Server (B) KVM mount NFS for partiton (with qcow2 images present on server A). My question is simple, what is the...
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KVM control guest from host
Virtualbox has a nice feature called Guest control which through guest additions allows the host to execute commands inside a running guest. This can be useful in many ways such as automating...
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How do you increase a KVM guest’s disk space?
I setup an Ubuntu guest on a CentOS KVM host with initially 6GB of disk space. How do I go about increasing the Ubuntu guest’s disk space from the command line? EDIT #1: I’m using a disk image file...
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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...
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