Citrix Systems 6.2.0 manual CentOS, Oracle Enterprise Linux, Suse Enterprise Linux 10 SP1

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B.1.3. CentOS 4

Please refer to Section B.1.1, “Red Hat Enterprise Linux 4.5 to 4.8” for the list of CentOS 4 release notes.

B.1.4. CentOS 5

Please refer to Section B.1.2, “Red Hat Enterprise Linux 5” for the list of CentOS 5 release notes.

B.1.5. Oracle Enterprise Linux 5

Please refer to Section B.1.2, “Red Hat Enterprise Linux 5” for the list of Oracle Enterprise Linux 5 release notes.

B.1.6. SUSE Enterprise Linux 10 SP1

XenServer uses the standard Novell kernel supplied with SLES 10 SP2 as the guest kernel. Any bugs found in this kernel are reported upstream to Novell and listed below:

A maximum of 3 virtual network interfaces is supported.

Disks sometimes do not attach correctly on boot. (Novell Bugzilla 290346).

B.1.7. SUSE Enterprise Linux 10 SP3

Due to a defect in the packaging of Novell SUSE Linux Enterprise Server 10 SP3 (32-bit) edition, users will not be able to create a new VM of this edition. As a workaround, you must install SLES 10 SP2 and then upgrade it to SLES SP3 using, for example, "yast" within the VM. For more information, refer to the Novell documentation 7005079.

B.1.8. SUSE Enterprise Linux 11

XenServer uses the standard Novell kernel supplied with SLES 11 as the guest kernel. Any bugs found in this kernel are reported upstream to Novell and listed below:

Live migration of a SLES 11 VM which is under high load may fail with the message An error occurred during the migration process. This is due to a known issue with the SLES 11 kernel which has been reported to Novell. It is expected that kernel update 2.6.27.23-0.1.1 and later from Novell will resolve this issue.

B.1.9. SUSE Enterprise Linux 11 SP2

Creating a SLES 11 SP2 (32-bit) VM can cause the SLES installer or the VM to crash due to a bug in the SLES 11 SP2 kernel. To workaround this issue, customers should allocate at least 1 GB memory to the VM. Note that the amount of assigned memory can be reduced after installing updates to the VM. For more information, see Novell Bugzilla 809166.

B.1.10. Preparing a SLES guest for cloning

Note:

Before you prepare a SLES guest for cloning, ensure that you clear the udev configuration for network devices as follows:

cat< /dev/null > /etc/udev/rules.d/30-net_persistent_names.rules

To prepare a SLES guest for cloning (see Section 5.7.3, “MAC address”):

1.Open the file /etc/sysconfig/network/config

2.Edit the line that reads:

FORCE_PERSISTENT_NAMES=yes

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Contents Citrix XenServer 6.2.0 Virtual Machine Users Guide Trademarks Contents VM Migration with XenMotion and Storage XenMotion Importing the Demo Linux Virtual Appliance Windows VM Release Notes Setting Up a Red Hat Installation Server XenServer Documentation About this DocumentOverview Other Methods of VM Creation Virtual MachinesCreating VMs Importing an Exported VM XenServer ToolsPage Operating System Minimum Maximum Minimum Disk Space Supported Guests and Allocating ResourcesSupported Guests, Virtual Memory, and Disk Size Limits 4GB 8GB Operating System Experimental GuestsVirtual device Linux VMs Windows VMs Deprecated GuestsXenServer Product Family Virtual Device Support VM Block Devices Creating Windows VMs Basic Procedure for Creating a Windows VMAvailable Windows Templates Template Name DescriptionTo create a Windows 7 32-bit VM Using XenCenter to Create a VMAttaching an ISO Image Library Page Installing a Windows VM from an ISO Repository Using the CLI Using the CLI to Create a Windows VMCreating Linux VMs Distribution Vendor Install From Network From CD RepositoryCreating a Linux VM by Installing from a Physical CD/DVD Network Installation Notes Creating a Linux VM by Installing From an ISO ImageTo install Rhel Using a Kickstart File Advanced Operating System Boot ParametersTo install Debian using a preseed file To install the guest agent Installing the Linux Guest AgentLinux Distribution Installation Notes Additional Installation Notes for Linux DistributionsAdditional Debian Notes Preparing to Clone a Linux VMMachine Name IP addressPage XenMotion and Storage XenMotion VM Migration with XenMotion and Storage XenMotionXenMotion Storage XenMotionLimitations and Caveats Migrating a VM using XenCenterLive VDI Migration To Move Virtual Disks Updating VMs To uninstall the XenServer ToolsUpdating Windows Operating Systems Updating XenServer Tools for Windows VMsPage VApps Creating a vApp using XenCenterManaging vApps in XenCenter Creating vAppsDeleting vApps using XenCenter Start and shutdown vApps using XenCenterDeleting vApps To start a vAppTo import a vApp Importing and Exporting vAppsTo export a vApp Persist XenDesktop Private Desktop Mode VM Boot BehaviorReset XenDesktop Shared Desktop Mode Advanced Notes for Virtual MachinesInstalldir/xensetup.exe /S /norestart Connecting to a Windows VM Using Remote Desktop Windows Volume Shadow Copy Service VSS providerTo enable the Windows XenServer VSS provider To Enable Remote Desktop on a Windows VMTime Handling in Linux VMs Time Handling in Windows VMsGuest OS Dependent wallclock Independent wallclock Installing a VM from Reseller Option Kit BIOS-locked MediaTo set individual Linux VMs to maintain independent times Using the CLI Preparing for Cloning a Windows VM Using VSSUsing XenCenter Cloning Windows VMs Assigning a GPU to a Windows VM for Use with XenDesktopTo assign a GPU to a Windows VM using xe CLI To assign a GPU to a Windows VM using XenCenterTo detach a Windows VM from a GPU using XenCenter To detach a Windows VM from a GPU using the xe CLIDetach the GPU from the VM by entering the following Useful Tests To Import the Demo Linux Virtual Appliance Using XenCenterImporting the Demo Linux Virtual Appliance Page Format Description Importing and Exporting VMsSupported Formats Attribute Description Open Virtualization Format OVF and OVAXVA Format Disk Image Formats VHD and VmdkXVA Version 1 Format Operating System FixupTo use the RawVDI transfer protocol Transfer VMImporting VMs Importing VMs from OVF/OVA To Import VMs from OVF/OVA using XenCenterPage Importing Disk Images To Import VMs from a Disk Image using XenCenterImporting VMs from XVA To Import VMs from XVA Files VM using XenCenterExporting VMs as OVF/OVA To Import a VM from XVA using the xe CLIExporting VMs To Export VMs as OVF/OVA using XenCenter Exporting VMs as XVA To Export VMs as XVA Files using XenCenterTo Export VMs as XVA Files using the xe CLI Release Notes Appendix A. Windows VM Release NotesRed Hat Enterprise Linux 4.5 to Appendix B. Linux VM Release NotesPreparing a Rhel 4.5 to 4.8 guest for cloning Red Hat Enterprise LinuxOracle Enterprise Linux CentOSSuse Enterprise Linux 10 SP1 Suse Enterprise Linux 10 SP3Ubuntu On a Windows computer Appendix C. Creating ISO ImagesCreating an ISO on a Linux computer Enabling a Graphical Console on Debian Squeeze VMs Appendix D. Enabling VNC for Linux VMsConfiguring GDM to use VNC Determining the Location of your VNC Configuration FileVNC Screen Resolution Firewall SettingsCreate the xinetd.d file, /etc/xinetd.d/vnc-server-stream Enabling VNC for RHEL, CentOS, or OEL 6.x VMsEnabling Remote Administration Setting up SLES-based VMs for VNCModifying the xinetd Configuration Checking for a VNC ServerTo Open the VNC Port on Sles 10.x VMs Firewall To Open the VNC Port on Sles 11.x VMs Firewall Checking RunlevelsCopying Installation Media Appendix E. Setting Up a Red Hat Installation ServerEnable Remote Access NFSHttp FTPTo enable saving of Linux VM crash dumps Appendix F. Troubleshooting VM ProblemsVM Crashes Controlling Linux VM Crashdump BehaviourTroubleshooting Boot Problems on Linux VMs