Installation guide

Chapter 2. Xen restrictions and support
Red Hat Enterprise Linux 5 supports various combinations for hosts and guests. Processor and
memory limitations exist and can be viewed at the following URLs:
For host systems: http://www.redhat.com/products/enterprise-linux/server/compare.html
For hypervisors: http://www.redhat.com/resourcelibrary/articles/virtualization-limits-rhel-
hypervisors
The following URL shows a complete matrix of supported operating systems and host and guest
combinations:
http://www.redhat.com/resourcelibrary/articles/enterprise-linux-virtualization-support
Note
To utilize para-virtualization on Red Hat Enterprise Linux 5, your processor must have the
Physical Address Extension (PAE) instruction set.
Note
Virtualization with the Xen hypervisor on the Intel Itanium architecture requires the guest
firmware image package. See Installing the Xen hypervisor with yum for more information.
Red Hat En t erp rise Lin ux 5 Virt ualizat ion Guid e
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