Windows Server 2012 Hyper-V

Review of Windows Server 2012 Hyper-VWindows Server 2012 Review

By 2013 Microsoft should have released:
Windows Server and
Windows 8 (Client)

Microsoft Windows Server 2012 Hyper-V Topics


Hyper-V Replica (HVR)

The Hyper-V Replica (HVR) technology is geared to companies that cannot afford, or don’t need synchronized replication to a sister datacenters.

Windows Server 2012 has HVR built-in, it will work with normal broadband and 64 TB VHDX files, thus removes the need for SAN or other expensive storage technologies.

HVR logs changes that take place in the virtual machines.  At 5 minute intervals Hyper-V Replica will replay the source host’s log at the destination host.  The data can be sent asynchronously in compressed format to reduce bandwidth utilization.  

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The best feature of this new this new version of SolarWinds VM Monitor is that it checks Windows Hyper-V.  Naturally, it still works with virtual machines on VMware ESX Servers.  VM Monitor is a clever desktop tool that not only tests that your server is online, but also displays the CPU and memory utilization for each node.

It’s easy to install and to configure this virtual machine monitor, all you need the host server’s IP address or hostname and the logon info. Give this virtual machine monitor a try – it’s free.

Download your free copy of SolarWinds VM Monitor.

Microsoft Virtualization in Windows Server 2012

VMware led the way in deploying Microsoft virtual machines.  Virtual PC and Virtual Server 2003 had been left behind and were used mainly for testing and training, but Windows Server 2012 has turned things around for Microsoft’s Virtualization.  There will be an eager uptake of virtual machines based on Windows Server 2012 because of the ease of configuring

Hypervisor Type 1 and Type 2
The problem with type 2 hypervisor is the layers between the guest operating system and the hardware.  On the other hand hypervisor type 1 interfaces directly with the hardware layer, see diagram below.

Type 1 Hypervisor in Windows Server 2012

Type 1: Windows Server 2012.     Type 2: Windows PC.

Windows Server 2012 Hyper-V 3.0

Windows Server 2012 will contain Hyper-V 3.0, this is the superior hypervisor model allowing multiple guest operating systems to run concurrently. It features a new virtual disk format (VHDX) which supports up to 16 TB. I haven’t noticed Non-Uniform Memory Access (NUMA) in previous versions of Microsoft Hyper-V.

The most interesting new feature is Hyper-V Replica, which is an robust intelligent system to provide asynchronous, application-consistent replication.

All you need for the wizard to replicate a virtual machine to another location is Hyper-V (and a network connection). Another welcome feature is that you don’t have to match the hardware on the new Windows Server 2012, one could be HP, the other Dell.

Interestingly Microsoft has been trialling Remote FX and Dynamic Memory, in Window Server 2008 R2 Service Pack 1.

Microsoft says "Windows Server 2012 is a reimagining of Windows, from the chip to the interface".

… The new interface is: "Fast, fluid and dynamic"

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SolarWinds’ Network Performance Monitor will help you discover what’s happening on your network.  This utility will also guide you through troubleshooting; the dashboard will indicate whether the root cause is a broken link, faulty equipment or resource overload.

Perhaps the NPM’s best feature is the way it suggests solutions to network problems.  Its second best feature is the ability to monitor the health of individual VMware virtual machines.  If you are interested in troubleshooting, and creating network maps, then I recommend that you give this Network Performance Monitor a try.

Download your free trial of SolarWinds Network Performance Monitor.

Windows Server 2012 Client Hyper-V

The new Client Hyper-V in Server 2012 is very similar to the virtualization technology found in  Windows Server 2008 R2.  In fact administrators can move virtual machines from Client Hyper-V to Hyper-V in Windows Server 2012.  The virtualization principle is the same as Windows XP mode in Windows 7. 

Client Hyper-V provides an environment for testing.  Another useful application of this technology is for disaster recover where you need to replicate virtual machines to achieve continuity if your primary site is put out of commission.

As with so many features of Windows Server 2012, you can manage Hyper-V using PowerShell, indeed, there are over 150 cmdlets to configure Hyper-V and related technologies.  Launch PowerShell and try these commands:

Import-Module Hyper-V # Not strictly necessary
Get-Command -Module Hyper-V

See more in PowerShell's Import-Module »

Summary of Guy’s Windows Server 2012 Hyper-V

While the new interface is optimized for touch, it works equally well with a mouse and keyboard. Microsoft’s mantra is: No compromises, you can use whichever device you prefer.

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Microsoft Windows Server 2012 Topics

Windows Server 2012 Home   • Disable UAC Windows Server 2012   • Server 2012 Chkdsk Utility

Install Windows Server 2012   • PowerShell Add-WindowsFeature   • Network Performance Monitor

Shutdown Windows Server 2012   • Disable Shutdown Event Tracker Server 2012