Xen is a hypervisor based virtualization. It supports x86, AMD64, IA64, ARM and other CPU types, and Linux, Windows, Solaris and *BSD guest operating systems.

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Install xenserver on iscsi target

Is is know that Xen Server is based on CentOS, and it is fact that CentOS can be installed on an ISCSI target flawlessly, but I wanted to install Xen server on an ISCSI target I couldn't find a way. ...
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355 views

Xen Dom0 could not find boot device (or any disk)

I have a brand new DELL server running SLES11 SP1 where I am trying to install my very first Xen Hypervisor. So I installed "Hypervisor and Tools" via YaST (excluding graphical elements), which ...
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93 views

Openstack Single Physical Network

I am trying to deploy openstack grizzly on a 12 node cluster. I want to use the xen hypervisor. I currently have xenserver installed, and I have 3 virtual machines running Ubuntu 12.04 to use for the ...
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238 views

inonice not working properly in xen dom0

I have a Xen Dom0 (3.2) with a bunch of domUs (paravirt). DomU VBDs are on local LVM volumes. Now I want to get backups of the LVM volumes using snapshots. I use rsync ioniced to idle (ionice -c3). I ...
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1k views

Ubuntu upstart hangs on interactive start & stop

How do I get Ubuntu upstart to not hang on interactive start & stop? I have created many upstart scripts that work fine during init, but often hang when I enter them at the console. If I CTRL+C ...
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1k views

Cannot connect to Xen domU via VNC if X isn't installed on domU

I'm trying to build a Xen domU that can be connected through the Xen's VNC server. Below is the template (actually it's generated by OpenNebula): name = 'one-153' #O CPU_CREDITS = 256 memory = '128' ...
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434 views

How can I do traffic shaping in Linux by xen guests?

I want to be able to set up two xen guests like this: xen-create-image --hostname=xen1.example.com --size=10Gb --swap=512Mb --ip=192.168.0.101 --force --memory=256Mb --arch=i386 --debootstrap and ...
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589 views

Linux LiveCD with Xen DomU support?

Can someone recommend a Linux LiveCD which can start as Xen DomU (paravirtualized, no HVM)?
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34 views

XEN - Does pygrub alter grub on dom0

I apologize for question but I did not really understand the idea behind pygrub. I've downloaded VM from stacklet.com. The image is shipped as a ext4 file and pygrub config. My question is if I can ...
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223 views

How do I get the system-serial-number for Xen Server?

I would like to find out how could I be able to retrieve the system-serial-number of virtual machines installed on Citrix XenServer. I had referred to ...
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1answer
1k views

Remote automated provisioning to a XenServer Hypervisor

I'm currently working on a project where I use Vagrant with Ansible provisioning to create local environments in VirtualBox. I'm currently working with a University and we have a XenServer Hypervisor ...
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88 views

Capturing video of virtual console output of Xen vm

I would like to capture the video output of virtual machine running on Xenserver from boot-up and through reboots. I know I can capture the video by capturing the output of an assigned VGA adapter, ...
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152 views

Installing DRBD on XEN CentOS 5.8 (Stable)

I am trying for days to achieve HA with fault tolerance between my existing two XEN VPS's one located in Tokyo and the other located in US (both have the same setup and the same configurations, I am ...
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1answer
339 views

HP ProLiant DL160 Gen5 Virtualization

we want to create some vm's on older server. Its an HP ProLiant DL160 Gen5 with an Xeon 5405. So by the intel specs (http://ark.intel.com/products/33079) the cpu included the VT-x technology. But ...
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1answer
123 views

Remus or alternatives

Is it possible to set up Remus to act as a high availability server across 3 locations. Has anyone set up something like that. That is A would be main site, which would have an HA set up at B, and C ...
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430 views

Citrix VDI-In-a-Box Taking “Milestone Snapshots”

We're using Citrix VDI-in-a-Box, with XenServer on the back-end. I noticed in one of my deployed images, either XenServer for VDI in a box is creating snapshots automatically. The snapshots are listed ...
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267 views

xen domains could not connect to the internet via xen domU router

I'm trying to configure xen guest to act as a router for 2 more guests. Here is the configuration: xenbr0 IP: 192.168.1.100 netmask 255.255.255.0 gw 192.168.1.1 domain router router0 ...
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521 views

xen + debian network after upgrade squeeze to wheeze

I've got a Debian + Xen server. After a system upgrade to the stable version the network doesn't come up after boot. Every time after reboot I need to bring it up manually. The network configuration ...
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364 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 ...
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244 views

Network traffic is not being forwarded from a VM to the network using a bridged interface with Xen + libvirt

I'm having trouble getting network access from a VM that I'm running using Xen and libvirt. I've been trying different things and reading similar posts online for a couple of days but I'm really stuck ...
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134 views

How can I configure a Xen image to run on EC2 with different drive names?

I'm in the process of creating a number of Amazon Machine Images (AMIs) that will be uploaded and run on the basis of our Xen images. However, I'm running into problems with some platforms where the ...
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1k views

xen Dom0 network setup on ubuntu 12.04.1 LTS

I read a lot of tutorials (or at least try to be) but none is able to explain well how to configure networks for xen host. my Dom0 has two interfaces eth0 (real interfaces) and virbr0 (I guess was ...
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216 views

How to change memory for DomU runtime

I have a xen server with xen-4.1.3, linux-image-3.2.0-3-amd64, debian squeeze and 16Gb of RAM. The domain-0 has 1Gb of ram, the rest of memory belongs to the hypervisor. I want to start a guest domain ...
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661 views

Xen: can't get Dom0 and the DomUs to ping eachother

We have installed a Xen (4.1) configuration and can't get Dom0 and the DomUs to communicate (ping eachother). The DomUs are able to ping eachother but not Dom0, and Dom0 cannot ping the DomUs. We ...
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2k views

Xenserver 5.6 SR_BACKEND_FAILURE_47 no such volume group, but it is there

I've looked everywhere (Google, here, a bunch of other sites), and while I have found people with similar problems, I couldn't find a single one with a solution to this. Last night our xenserver 5.6 ...
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1answer
1k views

Where is my new hard disk Citrix Xen Center

I'm trying to create a new storage repository on a server that already has 2 old hard disks, set up with hardware RAID 1. It's my first time doing this in Xen Server environment so I wanna be extra ...
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127 views

How can I create a ram root disk for pxeboot of xen dom0?

I've been able to successfully boot a xen kernel and dom0 by setting up things according to this link: http://www.syslinux.org/wiki/index.php/Mboot.c32 However, I'm wanting my root partition not to ...
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649 views

How do I install xen hypervisor + linux onto a usb memory stick

I'm wanting to create a bootable Linux + Xen Hypervisor on a USB stick. I have it working how I want on a hard drive but for cloud deployment I'd like it to boot xen to a ram disk and mount the ...
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433 views

top vs vmstat on Debian squeeze/xen

I'm running a squeeze DomU on xen 4.0.1 which is completely unloaded. I notice a difference in cpu states between iostat and top like: top (in every iter): Cpu0 : 0.2%us, 2.0%sy, 0.0%ni, ...
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438 views

xen-sources, different versions different problems

I'm trying to get my xen-sources compiled and I'm having mixed results depending on which version I use. So far I haven't got any of the currently available (as of a week or so ago) xen-sources ...
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384 views

virtio /proc/net/dev

we are doing some VM (citrix-xen) / real machine benchmarks at university and ran accross a strange behavior. we used netperf's stream test to meassure the performance between the two machines. both ...
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419 views

ArchLinux under Xen fails to see root fs after kernel upgrade to Linux-3.0

I bought a VPS but the hosting company doesn't have a prebuilt image for Arch Linux x64, so I have to install from ISO using VNC in SolusVM. The installation works fine, the box (Xen Guest) is ...
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281 views

high load and OOM-killer on domUs while pvmove

Situation xen 4.0.1 dom0 (debian squeeze) domUs all with LVs as disks: disk = [ 'phy:/dev/vg-00/domu-swap,xvda1,w', 'phy:/dev/vg-00/domu-disk,xvda2,w' ]) one VG (vg-00) with 2 PVs Goal Move all ...
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291 views

Cloudmin/Xen Problem with Internet Speed limit

I have Cloudmin setup on a CentOS 64 bit server and I have several virtual machines running on it using Xen. When I try to change the 'Maximum network speed' in Cloudmin from Unlimited to anything ...
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146 views

Virtualization queries

I am virtualization newbie. Please advise on these questions. Please note using a commercial VM software like Citrix or VMware is not a choice for me. I have at my disposal couple 2x 4 core servers ...
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1answer
3k views

Bringing the xenbr0 interface up on XEN under Ubuntu 8.04

I installed XEN on Ubuntu 8.04 using this tutorial but after I reboot with the XEN kernel, I don't have xenbr0 device. I see that network-bridge script runs and it creates peth0 device, but not ...
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159 views

How to access virtual guest centos on windowsxp remotely

I have installed CentOS(domain 0) as a Base OS then using XEN tool virt-manager, I have created another CentOS5(domU) as virtual guestOS. I can easily access base CentOS(domain 0) by windows ...
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8 views

Load for Xen units

I'm looking for a way to check load for Xen units on a xen Node run by Solusvm. I know OpenVZ can show container load in the solusvm panel. But if I go to load in svm for the Xen Node the load page is ...
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28 views

convert SLES11 SP1 vmlinuz-3.0.13-0.27-xen to VMware using vmware converter

I am looking to convert a XEN VM (SLES11 SP1 kernel vmlinuz-3.0.13-0.27-xen) to a VMware guest using the VMware converter tool. The VMware tool tell me conversion went fine. 100% OK, however, when I ...
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20 views

Adding “VMs by Software Product” to XenCenter's view menu

XenCenter has a "VMs by Operating System" dropdown menu. I would like to have a similar menu "VMs by Software Product" which displays VMs grouped by certain software products and releases. Each of ...
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121 views

XEN virtual machine with IPv6 but without IPv4

How should I create a new virtual machine using xen-create-image if I just got the IPv6 from my hoster? When I tried xen-create-image --hostname=s1.example.com --size=70Gb --swap=8Gb ...
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1answer
427 views

New XEN Server, Intel i7, Errors were encountered while processing: xen-linux-system-amd64

I have just got a new machine to run XEN VM's on, it has an Intel i7 processor: - Intel Haswell Core i7-4790 3.6GHz 8MB LGA1150 Update [Screencast of what I am doing - ...
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1answer
2k views

Xen Vif creation xl vs xm

Hi everyone, I switch my server from a xend/xm Xen install to a 4.1 xl Xen install. Therefore Xen does not create vif network interface when I launch xl create /etc/xen/my_server.cfg but does create ...
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248 views

Fresh install of Xenserver 6.2 , cannot load tools in Guest Win7

I've just started testing the XenServer 6.2 offering.. it's awesome so far.. I've event loaded all the patches and hot fixes, and started a windows 7 guest image. I want to install tools, but ...
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3k views

Can I use XenServer GPU Pass-Through without XenDesktop?

XenServer documentation only covers using GPU Pass-Through ("vGPU") to run XenDesktop's "HDX 3D Pro Graphics." XenServer GPU Pass-Through cannot be used with the XenCenter VNC console and it does not ...
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639 views

Configure GRUB on XEN VPS

I have a xen VPS with debian 7 x86_64 installed on it. The operating system comes with GRUB2 installed on it. The problem is that while runnnig apt-get update apt-get upgrade -y GRUB says The GRUB ...
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76 views

Very high load during pvmove in domU

I had a pretty bad time this evening. I had to move LVM2 LVs from one PV to another (source PV backed by NFS stored vdisk, target PV backed by an iscsi LUN). Moving small LVs of ths VG (few gigabits) ...
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613 views

need help SolusVM Xen-pv error

I recently use Solusvm and xen and I have a problem with xen-pv there is a xen-pv template by default with the solusvm Centos-5.3-x86 I have created a machine to test it but I have this error : ...
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775 views

xen-create-image does not create inird or initramfs image and domU does not starts with system image

I have Fedora 19 as Dom0. To create image I run # xen-create-image --hostname=debian-wheezy --memory=512Mb --dhcp --size=20Gb --swap=512Mb --dir=/xen --arch=amd64 --dist=wheezy After generation ...
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691 views

Xen dom0 bridge interface drops a lot of RX packets?

I'm running Gentoo Hardened as Dom0. It also acts as a router/NAT. There's a bridge interface called br0 which contains a pci-e wlan card, ethernet nic & domU. bridge name bridge id ...