Information Technology Reference
In-Depth Information
Citrix XenServer is a server virtualization platform derived from the work of the
Xen community. Modifications and additions include features such as live migra-
tion (XenMotion), centralized multiserver management (XenCenter), virtual
machine templates, snapshots, shared storage support, and resource pools. The
product is free to download and use.
Citrix XenServer supports paravirtualization with Windows and Linux distribu-
tions such as Red Hat Enterprise Linux, Novell SuSE, Debian, Oracle Enterprise
Linux, and CentOS.
Table 4.4 details Citrix XenServer 5.5 U1 capabilities and the Xen version on
which it is based.
Table 4.4
Citrix XenServer 5.5 U1 Capabilities
Hypervisor 32-/64-Bit
Xen Version
dom0 32-/64-Bit
64-bit
32-bit
3.3
Citrix XenServer key features include the following:
Windows, Linux, and Solaris guests
■
Unlimited servers, virtual machines, and memory
■
P2V and V2V conversion
■
Shared SAN, iSCSI, and NAS storage
■
Centralized multiserver management
■
Resilient distributed management architecture
■
Live motion (live migration)
■
Shared virtual machine template library
■
Centralized configuration management with Citrix XenCenter
■
Virtual infrastructure patch management
■
Citrix XenServer provides guest paravirtualized drivers for Microsoft Windows
and utilities for Linux called Citrix Tools for Virtual Machines. At the time of this
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