Red Hat NETWORK 4.1.0 - Guida di Installazione

1XenServer Installation Guide4.1.0Published March 20081.0 Edition

6Chapter 2. System RequirementsXenServer requires at least two separate physical x86 computers: one to be the XenServer Host, and theother to run the

System Requirements7• Windows Vista VMs are allocated a root device of 16 GB, and other Windows VMsdefault to 8 GB.Network 100 Mbit/s or faster networ

8Chapter 3. Installing XenServerAny XenServer network, from the simplest to the most complex deployment, is made up of one or moreXenServer Hosts, eac

Installing XenServer92. burn it to a physical CD if installing from a DVD/CD drive, or set it up for PXE installation as describedin Appendix C, PXE i

Installing XenServer108. If you have multiple local hard disks, you are asked to choose the Primary Disk for the installation. Selectthe desired disk

Installing XenServer1115. If you selected Using NTP in the preceding step, you are prompted to identify the time server or serversyou want to use. You

Installing XenServer12If you selected not to install support for Linux VMs, a completion message is displayed.NoteIf you decide later to add Linux sup

Installing XenServer133. A list of programs installed on the computer is displayed. Scroll down if necessary and select XenCenter.4. In Windows XP or

Installing XenServer14NoteTo be part of a resource pool, the XenServer Hosts and the server or servers providing the sharedNFS storage need to have st

Installing XenServer154. Edit the file /etc/exports and add the line/<vm_share_dir> *(rw,no_root_squash,sync) Save and close the file.5

XenServer Installation Guide2XenServer Installation Guide: Release 4.1.0Published March 2008Copyright © 2008 Citrix Systems, Inc.Xen®, Citrix®, XenSer

Installing XenServer16• a server providing a shared directory via iSCSINoteTo be part of a resource pool, the XenServer Hosts and the server or server

Installing XenServer172. Repeat for each XenServer Host in the pool.Procedure 3.11. To create an SR on the iSCSI share at the pool level via the CLI1.

18Appendix A. TroubleshootingIf you experience odd behavior, crashes, or have other issues during installation, this chapteris meant to help you solve

19Appendix B. Maintenance ProceduresThis chapter documents some miscellaneous procedures for maintaining XenServer Hosts.B.1. Preparing XenServer Host

Maintenance Procedures20xe host-enable then restart any halted VMs and/or resume any suspended VMs.B.2. Applying updatesBetween releases of XenSer

Maintenance Procedures21Procedure B.3. To apply an update to a XenServer Host or XenServer Hostpool using the CLI1. Download the update to a local dir

Maintenance Procedures22The following procedure describes how to reinstall the current version of the XenServer Hostover an existing installation of X

Maintenance Procedures23B.4.2. Performing a rolling pool upgradeThe correct sequence for upgrading a pool of XenServer installations to a newer versio

Maintenance Procedures24The following procedure describes how to install the current version of the XenServer Host overan existing installation of Xen

Maintenance Procedures25vhd-update -f <filename> -j <filename>.journal This will validate the specified journal file, then proceed to tr

XenServer Installation Guide3

Maintenance Procedures26B.7.1.1. Backing up single host installationsThe CLI must be used to backup the pool database. To obtain a consistent pool met

Maintenance Procedures27This section describes the XenServer Host control domain backup and restore procedures.These procedures do not back

Maintenance Procedures28restores it to its normal form, but it is written to another partition (/dev/sda2) and does notoverwrite the current version o

29Appendix C. PXE installation ofXenServer HostThis appendix describes setting up a TFTP server to enable PXE booting of XenServer Hostinstallations.

PXE installation of XenServer Host30todisable = no4. Restart the xinetd service, which manages tftp:# service xinetd restart5. Make a directory inside

PXE installation of XenServer Host31This will perform an unattended installation using the answerfile at the URL specified.NoteAlso, if you want to us

PXE installation of XenServer Host32named XenServer_4.1.0 and then copy the directory packages.main from the BasePack disk to XenServer_4.1.0/packages

PXE installation of XenServer Host33All nodes should be within a root node named installation.The following is a summary of the elements. All values s

PXE installation of XenServer Host34Element Description Required?Attributes:type: url, nfs, or localIf url or nfs, put the url or NFS path in the PCDA

PXE installation of XenServer Host35installation lives with the existing-installation element, and leave the primary-disk and guest-diskelements unspe

4Table of Contents1. Introducing XenServer ... 11.1. Ab

PXE installation of XenServer Host36C.3.2. Installation media repository metadataThe XS-REPOSITORY file is used to describe a Citrix-format installati

PXE installation of XenServer Host37If the type is driver, the subsequent fields are source filename and destination(${KERNEL_VERSION} wil

38Appendix D. Xen Memory UsageWhen calculating the memory footprint of a Xen host there are two components that must betaken into consideration. First

1Chapter 1. Introducing XenServerThank you for choosing XenServer™ from Citrix Systems, Inc., the creators of the Xen® hypervisor andleaders of the op

Introducing XenServer2• Enhanced XenApp™ support: A dedicated XenApp VM template provides the fastest way to virtualizeXenApp installations.1.4. What

Introducing XenServer3attacks. Xen is fully open to scrutiny by the security community and its security is continuously tested. Xenis also the foundat

Introducing XenServer4• enabling easy import and export of Virtual Machines in the virtual hard disk formats of all major vendors,as well as offering

Introducing XenServer5• the Xen hypervisor• installers for both the XenServer Host and for XenCenter• a tool for creating Linux VMs by converting exis