The Xen® Hypervisor, is an open source virtualization platform that powers the world's largest clouds in production and is the foundation of many commercial products.

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26 views

Xen and Windows 7 domU, can't find CD/DVD drivers

Simple question. When installing Windows 7 under Xen as domU with Fedora 20 dom0, it stops before installing asking for the CD/DVD drivers. I just can't get it past this point. KVM does it too through ...
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26 views

XenServer 6.2 guest networking

None of VMs I tried to install can't reach internet. I have Xensever 6.2 installed on a server with single NIC, which can be accessed via 2 public IPs. XenServer can ping google.com and seems to be ...
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0answers
10 views

Which XEN IOMMU features are min needed for VGA passthru?

To run HVM (Hardware-assisted virtualization) the CPU must support this by having IO-MMU feature (Intel calls this VT-X). I have an Intel Core 2 Quad Q8400 CPU which support the virutalization ...
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0answers
41 views

Xen PV machine fails to connect to console

I recently installed a PV virtual machine under xen 4.4. I'm using XL toolstack. below is the configuration file of the PV machine. kernel = "/var/lib/xen/images/ubuntu-netboot/vmlinuz" ramdisk = ...
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0answers
18 views

Xen credit scheduler, equal distribution?

Does Xen's credit scheduler assign an equal fraction of processor resources to each guest OS? I know the distrobution can be altered with weights, but, by default, is it equal? ...
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0answers
20 views

Using Xen paravirtualization, run Windows in Dom0

This documentation describes how Xen is accomodating Windows by virtue of 'Xen Windows GpIPv'. http://wiki.xenproject.org/wiki/XenWindowsGplPv But what I can't determine is wether or not, by dint of ...
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0answers
24 views

virsh - Failed to detach disk

I'm getting the following error when trying to detach a disk in virsh: virsh # detach-disk svr21 xvdb --persistent error: Failed to detach disk error: Requested operation is not valid: Xm driver only ...
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0answers
153 views

Xen fails creating VMs using xl toolstack

Ever since xen 4.4 has been rendered obsolete; I tried to switch from xm toolstack to xl. This wasn't really turn to be a simple task though. I've been getting errors, libxl wasn't able to work around ...
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1answer
21 views

networking in virtualization

I have a redhat9 as guest and a fedora18 as host. the guest is connected to network but I'm not sure through bridge or nat. I just know that other machines can't ssh or ping it. because they are not ...
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0answers
42 views

Private network configuration for Xen guest operation systems

I've been working around with Xen. I managed to bring up 2 virtual machines; 1: Windows Server 2008, 2: Ubuntu desktop 12.04 LTS. Here is my question. I created a bridge called sw0(up and running) ...
3
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3answers
346 views

bridge does not forwarding packets centos

I am using CentOS 6.5 64 and use xen to create a virtual machine (CentOS) ifconfig [root@CentOS ~]# ifconfig eth0 Link encap:Ethernet HWaddr 08:00:27:54:B3:FA inet6 addr: ...
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1answer
145 views

How do I get Xen domU guests to have internet access?

How do I get Xen domU guests to have internet access? What tools can I use to diagnose the problem? Are there log files I can examine? (I'm new linux and networking and VMs. Please execuse me if I ...
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0answers
49 views

Archipel / Xen Orchestra

I'm hoping you can help me to get my head around this! We want to start using virtualisation. We intend to rent a large server in a datacentre and use this. I was excited to see that XenServer is ...
0
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1answer
29 views

Can I give the partitions in my xen guests friendly names?

I've got a bunch of LVM logical volumes on a machine running Xen, with descriptive names like "photos". When I attach them to a Xen guest, the standard is to give them unmemorable names like xvda1, ...
0
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1answer
35 views

Xen: graphics passthrough. How it looks from the host?

I'm starting to think to install Xen as a main hypervisor; and I need to have a single Win7 client with access to (primary, single) physical GPU with accelerated graphics support. Now, am I right ...
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0answers
42 views

Ubuntu XenServer / XenCenter brp5p1 vs xenbr0 bridges

I'm new to virtualization. Looking to put my toe in the water with a very simple Xen setup. I roughly followed the recipe here using: ubutu 13.10 dom0 Xen 4.3.0 Xen Center 6.2 So far, everything ...
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0answers
10 views

Is it possible to a Xen guest to automatically grow or shrink (ballooning) its own assigned memory?

I know it is possible to change the amount of memory allocated to a Xen PVM guest on-the-fly, but this must be done outside the guest, at dom0. Is it possible to configure the PVM guest to ...
1
vote
1answer
80 views

Difference between Xen hypervisor and Xen server

Like title suggests...something is not very clear to me. I am used to virtualbox and vmware, now I'd like to use xen but...I find two different websites, hypervisor and server. What's the difference? ...
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0answers
11 views

XCP guest migration to another host

I have a question regarding XCP guest migration, I want to migrate guest systems between two different physical machines in different locations. I have found this article which relates to migration of ...
1
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0answers
43 views

Is it possible to use bare-metal XenServer's virtual machines on the same computer and how?

Can I install XenServer on a machine as a bare-metal installation and create and use its virtual machines on the same machine or I need to use the VMs with XenClient over a network connection? I mean ...
1
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0answers
57 views

How do different virtual machines handle CPU scheduling?

When you give a guest multiple virtual CPUs (vCPU) the virtual machine has to assign them to physical CPUs (pCPU). I'm can't find any info on how most VMs handle this. There are 2 broad categories: ...
3
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0answers
58 views

Mount volume group(OnApp)

I am attempting to get OnApp setup in a lab using the following documents: OnApp Installation Guide I am one step away from success and to my knowledge based on the information given and my(limited) ...
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0answers
62 views

How to configure Open vSwitch bridge to make all ports trunked?

I am trying to configure open vSwitch on a XenServer install to trunk all ports with VLANs. How would I make it so that whenever a new VM is added the port that is connected to it is automatically ...
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0answers
59 views

Two different GPUs, one [virtual] monitor on windows 7

i have two GPUs on my windows 7 guest configuration, one is virtual, but looks like a real one for windows (Cirrus VGA from qemu/XEN setup), and one is fully real, Radeon HD7870, which is dedicated ...
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0answers
60 views

Customizing XenServer partitions

I wanted to install XenServer onto a hard disk with existing data on it, by customizing the partitioning and LVM volumes, but I found that the Anaconda installer does not seem to provide any options ...
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0answers
102 views

Running Xen with Virtualbox

I am researching building a new machine for software development. My requirements: Linux base OS Windows 7 VM for Photoshop CS5 Various Linux VMs for DB server, application server, etc No gaming ...
1
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0answers
157 views

How to prepare a Centos ISO for creation of Xen domU guest with xl (not xm or virt-install)

I'm tearing my hair out. I will be scripting the creation of large numbers of small HVM (not PV) customer xen CentOS 6.5 guests on a CentOS 6.5 dom0. I therefore do not want to use virt-manager (I'm ...
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0answers
103 views

XEN Storage Repository (xe se-create) on Encrypted Raid 5 with LVM fails/resync

I am messing around with an ubuntu 13.04 installation. What I have: XEN Software Raid 5 LVM on top What I want: A storage repository for XEN as a logical volume The issue: "sr" does not work ...
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0answers
391 views

'skb rides the rocket' in a Xen guest

I've just set up Ubuntu 13.10 server as a VM on my Ubuntu/Xen server, and I'm getting these weird lines in my guest's syslog. Nov 12 10:26:32 human kernel: [130782.315333] xennet: skb rides the ...
1
vote
1answer
1k views

Xenserver 6.2 has trouble booting Linux live discs

I recently installed Xencenter 6.2. I was able to install and configure a Windows VM. However, whenever I boot different Linux distros after the boot menu (syslinux or whatever) the disc always locks ...
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0answers
327 views

How do I change a linux kernel for an EC2 friendly version?

I have to get an old image from a physical ubuntu (dapper) box into AWS. The software stack and applications are not exactly contemporary so I have tried to do a P2V to AWS dd'd the /dev/sda volume ...
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0answers
127 views

Combining routing and bridging in xen hypervisor

Typical way to combine routing and bridging in xen is described here. (DomU's sharing one virtual bridge device, which is routed to outside network ). I want to make it another way: some DomU's need ...
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0answers
50 views

xend.err 'Error creating domain: pool Pool-0 not activated while creating virtual machine

im trying to load virtualised system. while creating virtual machine got an error xend.err 'Error creating domain: pool Pool-0 not activated
0
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0answers
83 views

Monitoring performance metrics from Xen (xend) with Java

I need to write a Java application that is collecting and monitoring (remotely and local) performance informations and metrics from a Xen hypervisor. This Java application should fetch the same ...
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vote
2answers
479 views

Where to get an Ubuntu image for OpenStack running on XenServer

So... I installed XenServer 6.2. I installed OpenStack via DevStack (https://github.com/openstack-dev/devstack/blob/master/tools/xen/README.md). It successfully configured the OpenStack dashboard. I ...
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0answers
196 views

Can you run Xen on FreeNAS?

I've seen lots of posts about running FreeNAS in a virtual enviroment but none about using FreeNAS as a host, is this possible? Ideally I would like to buy a HBA card which supports ISCSI passthough ...
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0answers
25 views

XEN Hypervisor migration

I know that there is no Type 2 hypervisor solution to run on an existing OS. What I'm wondering is, is there a server or a way to spin up and image locally on some sort of work station for development ...
2
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0answers
114 views

How much performance reduction is ok for a linux router?

I am having thew following (simplified) setup: I have a private Subnet where my PC is located. The subnet goes over a virtualized server into the internet. The server uses internally two subnets: One ...
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0answers
79 views

Unable to see video from Xen graphical console

I have Xen running on Lubuntu except that I can't see anything on the console. How do I fix this? It says "Graphical Console is not yet active for guest" Thanks.
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0answers
27 views

bridging virtual machines on xen

I have a dedicated server, running xen and a few virtual machines set up as separate entities with their own IP addresses. I have about 16Gb RAM left, and I would like to create a few more virtual ...
0
votes
1answer
57 views

Is xen a good choice for what I'm going to make? [closed]

I want to build two machines inside a virtualization system like Xen, and I'm new with virtualization. The first machine is a Debian 6 server, which runs forwadding and acts as a firewall and proxy. ...
0
votes
1answer
145 views

XenServer 6.2 KVMoIP remote install - Won't boot into install

I've had my hosting provider download and burn me a CD/DVD of XenServer 6.2 twice now and it is still not booting properly. I get so far as to reach a 'boot:' prompt with a number of installation ...
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0answers
146 views

Why does Debian crashes with OOM

I recently upgraded my server from Debian squeeze i386 to wheezy amd64 by reinstalling and reconfigurating. Additionally I wanted to be able to start virtual guests, so I installed XEN, too. I got ...
1
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0answers
210 views

blkid not returning the correct UUID/label for drive

I have 7 drives in my server (running Debian Wheezy as dom0 for a Xen hypervisor): An 80GB system drive, 3 x 2TB drives, a 1TB drive and 2x 500GB drives. The 2TB drives are all part of an mdadm RAID ...
0
votes
1answer
103 views

Debian DomU on Debian Dom0

I've set up xen on a Debian squeeze DomU and it seems to be working. I followed the this guide The problem I have is when I try to start the VM and attach the console using xm create -c ...
3
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1answer
246 views

Cannot login to Xen guest pv

I've followed this guide to setup a Xen server and my first PV Guest. On the host system I only have two users, root and benny. I usually work through benny. After creating a .cfg for my new pv ...
3
votes
1answer
667 views

Can I change the filename of my ssh public/private key pair?

I created a public/private key pair: ssh-keygen -t rsa -C "me@example.com" I gave a different key file name than id_rsa since I wanted to create a new separate key from my normal identity. I gave ...
0
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1answer
58 views

Can't start a XEN VM - VM name already exists

I've setup xen on ubuntu, created a couple of vms, started and stopped them. But now when I try to start one of them I get: VmError: VM name 'vps.lisignoli.net' already exists It doesn't show up on ...
0
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1answer
528 views

How to establish fully gpu-accelerated session to localhost xen virtual machine via RDP or VNC?

Done so far: I have setup xen-hypervisor on LinuxMint and successfully passed through my secondary GPU HD6850 to virtual machine running windows 7 Ultimate. The card is successfully recognized from ...
0
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1answer
433 views

Fixing Windows 7 BSOD Stop 0x7B in a Xen VM after migration from physical partition to a logical volume

I had been dual booting my laptop ( Sony Vaio-VGNCR26B ), with the two os's being Win7 and Ubuntu 12.04 LTS ( I think this is referred to 12.04.1 LTS now ). Previously, I had been able to boot the ...