Architecture and strategies Virtualization
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2.7.2 Virtualization on Server Unit x86
Virtualization permits parallel execution of BS2000, Linux, and Windows systems with their
applications on a Server Unit x86. The basic software X2000 together with Xen and if
necessary VM2000 permits other systems to execute.
BS2000 operation
BS2000 operation is possible in either Native or VM2000 mode:
● In Native mode, precisely one Native BS2000 system is available.
● In VM2000 mode, a BS2000 system, the monitor system, is started under VM2000.
Additional BS2000 VMs can be created in the SE Manager or with VM2000.
XenVM operation
XenVM operation is possible as an option. When a XenVM license is installed on the Server
Unit x86, the SE Manager offers functions for configuring, managing and operating virtual
machines, which are known as XenVMs. The following Linux and Windows systems are
explicitly supported as guest operating systems on these XenVMs:
– Red Hat Enterprise Linux
– SUSE Linux Enterprise Server
– Windows Server
The use of other guest operating systems is generally possible. For information on this
subject, please contact Customer Support.
Depending on the guest operating system used, a distinction is made between the following
virtualization types:
● Full virtualization (synonym: hardware virtualization) for Windows Servers and
“another operating system", not explicitly supported guest operating systems
The guest system can run on real hardware without modification on the XenVM. Xen
emulates some selected components which the guest system supports.
● Paravirtualization for the Linux systems which are explicitly supported
The XenVM is only similar to the real hardware. Modifying the kernel enables the guest
system to run on the XenVM.
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