A company has Windows Server 2012 R2 servers that have the Hyper-V role installed. The guest virtual
machines are configured as follows:
You need to configure the environment to support the creation of failover clusters.
What should you do?
A.
Convert the data drives to use the VHDX file format.
B.
Convert the operating system drive to use the virtual hard disk (VHD) file format.
C.
Convert the virtual machines to Generation 2 virtual machines.
D.
Upgrade the operating system to Windows Server 2012 R2.
Why the answer it’s A?
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Hyper-V in Windows Server 2012 R2 enables clustering virtual machines by using shared virtual hard disk (VHDX) files.
What value does this change add?
This feature is used to build a high availability infrastructure, and it is especially important for private cloud deployments and cloud-hosted environments that manage large workloads. Shared virtual hard disks enable multiple virtual machines to access the same virtual hard disk (VHDX) file, which provides shared storage for use by Windows Failover Clustering.. The shared virtual hard disk files can be hosted on Cluster Shared Volumes (CSV) or on Server Message Block (SMB)-based Scale-Out File Server file shares.
What works differently?
This feature is new in Windows Server 2012 R2. It was not possible to cluster virtual machines by using a shared virtual hard disk in previous releases of Windows Server.
For more information, see Virtual Hard Disk Sharing Overview,
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So is it A or D ?
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The answer is A. This question is about Guest Clustering – not Host Clustering.
“To share the virtual hard disk, the format must be .vhdx.”
http://technet.microsoft.com/en-us/library/dn265980.aspx
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The answer is correct (A)
See this doc:
“Supported guest operating systems for guest clusters that use a shared virtual hard disk include Windows Server 2012 R2 and Windows Server 2012. To support Windows Server 2012 as a guest operating system, Windows Server 2012 R2 Integration Services must be installed within the guest (virtual machine).”
https://technet.microsoft.com/en-us/library/dn281956(v=ws.11).aspx
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