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Microsoft Hyper-V, which is a very common virtualization platform for Windows based servers especially with the Windows Server 2008 R2 role, utilizes a different method of networking virtual machines than Microsoft’s VirtualPC (or XP mode on Windows 7 operating systems.) With VirtualPC the VMs hardware calls are sent to the host operating system, and then to the underlying hardware. With Hyper-V, virtual machines can communicate directly with the hardware. Read the full story

After the recent article on passing controllers through to ESXi virtual machines, I did get some questions around pass-through in Hyper-V. First off, it works a bit differently in Hyper-V, but you can still expose raw disks and RAID volumes to Hyper-V virtual machines, and this does not require Intel VT-d. This is an important feature of Hyper-V because it allows for the virtual machines to get raw disk access which is important when you have a storage operating system controlling the drives. Read the full story

One of the slickest things that one can do with a Windows Home Server machine is run it virtualized in a Hyper-V Virtual Machine. Windows Home Server frankly uses very little power itself leaving CPU cycles sitting idle. Of the CEOs, CIOs, and CFOs of companies with more than 10,000 employees I have talked to recently, all of them are looking at application virtualization to keep costs in the data center versus on user desktops. Perhaps I have heard the words “thin client” more times in the past six months from these folks than I have since the 1990′s. For Windows Home Server users, there is a really practical, and important thing that they can do to increase security at home, and that is use a dedicated, disposable, virtual machine for things such as banking (and for the more conservative online shopping). Read the full story

The Big WHS was originally supposed to house approximately 30TB of storage when the plans were first detailed on an Excel spreadsheet BOM in December 2009. This was a big upgrade to my first DIY Windows Home Server box that had well under 20TB. About five months later, the storage capacity has crested 60TB, with further room to expand. The Big WHS now spans two 4U Norco cases (using a total of 8U of rackspace and another 4U chassis is in the works) has over 60TB of storage, and requires well over a dozen ports on the gigabit switch.

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If one browses this site they will quickly see that I am a fan of Hyper-V virtualization and also Windows Home Server. On April 26, 2010, Microsoft released the public preview of the long awaited Windows Home Server V2 codenamed VAIL. Of course, I did have a test system lying around, but the WHS V2 code base is supposed to be Windows Server 2008 R2 which is why it requires a 64-bit CPU. Now, I could have installed the VAIL preview onto a physical machine, but there are probably editors at 30 sites doing that right now. So how about something interesting, and more appropriate for software labeled beta and preview, a Hyper-V installation!

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I have decided to post a little roadmap of what’s next on the site. I am a list making person, so this will hopefully keep me goal oriented. The next few weeks I will be focusing on some Windows Home Server add-in reviews and guides, some Linux/ OpenSolaris on Hyper-V guides, and some hardware testing. Other potential thoughts I have are to write up how to get decent network performance from a WHS (i.e. over 90MB/s which it seems like there are people who can’t figure this out). I may also move into trying some ESXi virtualization guides, some FreeBSD/ OpenSolaris ZFS guides, and some hardware reviews and benchmarks.

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To install FreeNAS in a Hyper-V virtual machine one needs to do some configuration of the virtual machine, just as one would with a physical machine. Allocating hardware resources is much easier in Hyper-V versus physical machines because you can do it remotely through screens instead of physically taking a box offline and installing hardware. This guide will show the basic Hyper-V virtual machine setup for installing FreeNAS, an open source NAS appliance based on FreeBSD.

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Now that the Big WHS is stable, and I have a bit more storage capacity than I need, I decided that Windows Home Server running virtualized in a Hyper-V virtual machine is good, but I wanted to test out some of the free WHS alternatives. A quck listing of the NAS operating systems installed on the current box shows is:

1. Microsoft Windows Server 2008 R2 hosting, using Hyper-V:
2. Windows Home Server (My WHS VM)
3. FreeNAS
4. OpenFiler
5. unRaid
6. CentOS
7. EON
8. Ubuntu

A complete NAS: Hyper-V, WHS, Windows Server 2008 R2, CentOS, unRaid, Openfiler, Ubuntu, FreeNAS, EON all on one machine

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