Red Hat ENTERPRISE LINUX 5 - VIRTUALIZATION GUIDE Manual page 20

Chapter 2. Xen restrictions and support
• Red Hat Enterprise Linux 5.5 supports up to 192 CPU processor cores.
Supported fully virtualized guests
Operating system
Red Hat Enterprise Linux 3
x86-64
Red Hat Enterprise Linux 3 x86
Red Hat Enterprise Linux 4
AMD64/Intel 64
Red Hat Enterprise Linux 4 x86
Red Hat Enterprise Linux 5
AMD64/Intel 64
Red Hat Enterprise Linux 5 x86
Windows Server 2000 32-Bit
Windows Server 2003 32-Bit
Windows XP 32-Bit
Windows Vista 32-Bit
Windows Vista 64-Bit
Windows Server 2008 32-Bit
Windows Server 2008 64-Bit
Solaris 32 bit
Other x86 and AMD64 or Intel 64 -based operating systems may work. Operating systems which are
not in this list are not tested or supported.
Full virtualization requires a processor with the Intel-VT or AMD-V virtualization extensions.
To verify whether your processor supports the virtualization extensions and for information on
enabling the virtualization extensions if they are disabled, refer to
extensions".
Supported para-virtualized guests
Operating system
Red Hat Enterprise Linux 4
AMD64/Intel 64 Update 5 and
higher
Red Hat Enterprise Linux 4 x86
Update 5 and higher
Red Hat Enterprise Linux 5
AMD64/Intel 64
Red Hat Enterprise Linux 5 x86
The Intel Itanium architecture
The kernel-xen package on Itanium systems is limited to 32 processor cores.
6
Support level
Optimized
Optimized
Optimized
Optimized
Optimized
Optimized
Supported
Supported
Supported
Supported
Supported
Supported
Supported
Supported
Support level
Optimized
Technology preview in 5.2 and 5.3. Fully supported in 5.4 and
newer.
Optimized
Technology preview in 5.2 and 5.3. Fully supported in 5.4 and
newer.
Section 31.6, "Verifying virtualization