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Chapter 1. Introducing XenServer

Thank you for choosing XenServer™ from Citrix Systems, Inc., the creators of the Xen® hypervisor and

leaders of the open source Xen project.

1.1. About this document

This document is an installation guide for XenServer, the platform virtualization solution from Citrix. The

XenServer package contains all you need for creating a network of virtual x86 computers running on Xen®,

the open-source paravirtualizing hypervisor with near-native performance.

This document contains procedures to guide you through the installation, configuration, and initial operation

of XenServer. This document also contains information about troubleshooting problems that might occur

during installation, and where to go for further information.

1.2. How this Guide relates to other documentation

This document is primarily aimed at system administrators who need to set up XenServer Hosts on physical

servers. Other documentation shipped with this release includes:

• XenServer Virtual Machine Installation Guide describes how to install Linux and Windows VMs on top

of a XenServer deployment. As well as installing new VMs from install media (or via the VM templates

provided with the XenServer release), this guide also explains how to create VMs from existing physical

machines, via a process called P2V.

• XenServer Administrator's Guide describes the tasks involved in configuring a XenServer deployment --

how to set up storage, networking and resource pools, and how to administer XenServer Hosts using the

xe command line interface (CLI).

• XenServer Software Development Kit Guide presents an overview of the XenServer SDK -- a selection

of code samples that demonstrate how to write applications that interface with XenServer Hosts.

• XenAPI Specification provides a programmer's reference guide to the XenServer API.

• Release notes provide a list of known issues that affect this release.

1.3. What's new in XenServer 4.1.0

This release of XenServer contains the following major new features. For a detailed list, please refer to the

XenServer 4.1.0 Release Notes.

• Network Appliance storage repositories: NetApp filers are now supported as an additional type of storage

repository for VMs, supporting fast cloning and snapshots.

• Shared Fibre Channel storage repositories: Fibre Channel storage hardware can be configured as a

shared storage repository using the QLogic and Emulex command-line tools, and the xe CLI.

• Linux VMs installed from vendor media In the previous release, the only direct vendor media installations

for Linux VMs required you to set up a network installation repository. This release adds support for

installing Red Hat Enterprise Linux 5, CentOS 5, and Oracle Enterprise Linux 5 from the physical media

itself via the physical CD/DVD-ROM drive.

• Additional VM support: This release adds templates for Windows Vista Enterprise Edition 32-bit, Red Hat

Enterprise Linux 5 64-bit and Oracle Enterprise Linux 5 operating systems.

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