Citrix® Xen® virtual machine (VM) monitor for x86 supports execution of multiple guest operating systems with near-native performance and resource isolation. Xen is open source software, released under the terms of the GNU General Public License. Dell works closely with its partners and the open source community to enable Xen virtualization solutions. This page lists some important links and interesting white papers on Xen.

Resources

Dell Support Page for XenServer Documentation

Citrix Hardware Compatibility List - Check which Dell servers have been certified with XenServer.

XenServer and Dell Video Demos

Citrix XenServer 5.6 Editions - Lists what features each XenServer 5.6 version provides.

Citrix XenServer 5.6 Documentation

XenServer and XenSource White Papers

Citrix® XenServer® 5.6 – Deployment on Dell™ Hardware
This paper is a guide for installing and configuring a basic XenServer environment in your data center. It outlines steps for installing XenServer and for creating virtual machines. In addition, it contains information about installing and using OpenManage in XenServer.

Virtualization Using XenEnterprise with Dell PowerEdge Servers and Dell OpenManage
This paper outlines the Xen architecture, outlines value additions of XenSource's XenEnterprise 3.2 product, offers steps to install XenEnterprise on Dell™ PowerEdge™ servers, offers steps to create VMs, offers steps to configure storage repositories, and includes how to manage XenEnterprise hosts using the Dell OpenManage™ suite.

A Performance Comparison of Commercial Hypervisors (from VMware)

This paper provides a quantitative and qualitative comparison of two virtualization hypervisors available for the x86 architecture—VMware ESX Server 3.0.1 and open source Xen 3.0.3—to validate their readiness for enterprise data centers. A series of performance experiments was conducted on the latest shipping versions (at the time of this study in November 2006) for both hypervisors using the Microsoft® Windows® OS as the guest OS. This white paper discusses the results of these experiments. The discussion in this white paper should help both IT decision makers and end users to choose the right virtualization hypervisor for their data centers.

Creating Fault-Tolerant Xen Virtualization at the Network Adapter Layer
By Scott Collier and Brian Gautreau
In development and production environments, fault tolerance at the physical network layer can be critical. Using the Linux® OS bonding driver with standardized networking configurations enables highly available, fault-tolerant physical layers for Xen guest domains.

Live Migration with Xen Virtualization Software
By David Schmidt and Puneet Dhawan
Virtualization is an emerging trend in enterprise data centers. Using virtualization software, system administrators can run multiple operating systems on a single server, therefore exploiting most of the servers' resources. This article outlines an evaluation deployment of a LAMP (Linux, Apache, MySQL and PHP) application stack for a live migration setup on a VM using Xen open source software and can serve as a guide for those enterprises looking to evaluate Xen in their environment.

An Overview of Xen Virtualization
By Tim Abels, Puneet Dhawan, and Balasubramanian Chandrasekaran
Xen virtualization technology—available for the Linux kernel—is designed to consolidate multiple operating systems to run on a single server, normalize hardware accessed by the operating systems, isolate misbehaving applications, and migrate running OS instances from one physical server to another. This article provides an overview of Xen 3.0 architecture and how it is expected to utilize Intel® Virtualization Technology to enhance manageability and optimize resource utilization in Linux environments.