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Windows 7 for XP ProfessionalsUpdating Support Skills from XP to Windows 7by Bink.nu's Raymond Comvalius
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So what's the BIG NEWS ??
Microsoft Announces following two features now supported on Hyper V R2 which is included in the Windows Server 2008 R2 RC and Hyper V Server 2008 R2 RC released recently.
Very Soon we all be working with 8 Core processors in our servers increasing the Logical processor no. to 64 ( 8 Processors X 8 Cores ). So now Microsoft Hyper V Supports 64 Logical processors, now you can consolidate more Virtual Machines on a single Host.
Hyper V Evolution from 16 Logical Processor Support to 64 Logical Processor Support:
Why do we need Processor Compatibility mode??
The OS and applications within a VM are exposed to the processor features on that server. However, when the VM is quick/live migrated to another server, the destination server may have a processor with a different set of features. An OS or application may try to execute CPU features that it discovered when it was started on source host but may not be present on the destination host - resulting in a failure.
Now You can do the live migration of Virtual Machines from one host to another in a cluster even if the processors features sets are different (But same Family Intel-Intel, AMD-AMD)
So far we need to have identical processors on all the nodes in our cluster for Live Migration to work, but what if other node has different feature processor. Processor Compatibility Mode comes to rescue.
When a VM is started with processor compatibility mode enabled, Hyper-V only exposes guest visible processor features that are available on all Hyper-V enabled processors of the same processor architecture, i.e. AMD or Intel. This allows the VM to be migrated to any hardware platform of the same processor architecture.
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