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Monday, November 9, 2015

Setting up Nano Server as Hyper-V Host

 

[Updated post :-9 Nov 2015 ]

[ What is Nano? ]

New installation of Windows Server 2016.

Prior version has:

  • Windows Server full installation
  • Minimal Shell (Min Shell)
  • Server Core

It is similar like Server Core but with even smaller footprint. No local UI and no local console. With so minimal footprint, you can increase a number of virtual machine without concern about the overhead required by the operating system. Besides than that, it has less patch and less reboot.

Ideal scenaro:

  • Compute host for Hyper-V Virtual machines
  • Storage host for Scale out file server
  • Container or virtual machine guest OS for cloud native app

[ Scenario]

  • Using Windows Server 2016 TP3

[ Set up ]

At this moment, installation of Nano is extracting from the windows server 2016 ISO and create an image file using the Convert-WindowsImage.ps1 You will find a folder called “NanoServer”.

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  • Copy all to your computer
  • Execute New-NanoServerImage.ps1 using Windows Powershell
.\New-NanoServerImage.ps1

Create a VHD name “NanoSvr1”. It will create a virtual disk using Convert-WindowsImage

New-NanoServerImage -MediaPath f:\ -BasePath .\Base -TargetPath .\NanoSvr1 -ComputerName NanoSvr1 –GuestDrivers

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Once a virtual disk has created, you can use Hyper-V Manager to create a virtual machine and attach the virtual disk that you’ve created on previous step.

Enter administrator password that you key in during creation.

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Now we got a Hyper-V host running on Nano installation mode. Smile

To check how small the footprint, use Inspect Disk on Hyper-V Console

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[ Add more packages]

Nano Server ships with several packages that enable more functionality.

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  • create a folder called dism and copy
    • api*downlevel*.dll
    • *dism*
    • *provider*

from Windows Server 2016 to dism folder.

cd NanoServer

md mountdir

dism\dism /mount-Image /ImageFile:E:\NanoServer\NanoSvr1\NanoSvr1.vhd /Index:1 /MountDir:.\MountDir

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  • Add Hyper-V Roles using Add Package

 

dism\dism /Mount-Image /ImageFile:.\NanoServer.vhd /Index:1 /MountDir:.\mountdir

dism\dism /Add-Package /PackagePath:.\packages\Microsoft-NanoServer-Compute-Package.cab /Image:.\mountdir

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  • Dismount drive and commit

dism\dism /Unmount-Image /MountDir:.\MountDir /Commit

[ Management ]

By default, Nano Server will get an ip from DHCP server. You can configure static ip by following below step.

Create a file. Name it as SetupComplete.cmd and enter below code

powershell.exe -command "Import-Module C:\windows\system32\windowspowershell\v1.0\Modules\Microsoft.PowerShell.Utility\

Microsoft.PowerShell.Utility.psd1; Import-Module C:

\windows\system32\WindowsPowerShell\v1.0\Modules\NetAdapter\NetAdapter.psd1; $ifa = (Get-NetAdapter -Name Ethernet).ifalias; netsh interface ip set address $ifa static 192.168.138.150"

Mount the vhd again and execute below command

md .\mountdir\Windows\Setup\Scripts
copy .\SetupComplete.cmd .\mountdir\Windows\Setup\Scripts

dism\dism /Unmount-Image /MountDir:.\MountDir /Commit

At this moment of writing, you only can manage remotely.

Join to domain

djoin.exe /provision /domain corp.lab.local /machine nanosvr1 /savefile .\odjblob

 

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A file odjblob was created. Transfer to Nano Server C:\Temp.

Use Powershell remoting

Enter-PSSession “192.168.138.150” –Credential “Nanosvr1\administrator”

Modify some settings using netsh

netsh interface ip set dnsservers name="Ethernet" static 192.168.138.120 primary
netsh advfirewall set allprofiles state off

Let join to domain and then reboot the server.

djoin /requestodj /loadfile c:\Temp\odjblob /windowspath c:\windows /localos

shutdown /r /t 0
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Well, at this moment we cannot run Hyper-V roles on a virtual machine. So you may want to transfer this virtual machine to physical server and configure boot from vhd.

  • bcdedit /copy {current} /d “Nano Server”
  • bcdedit /set {GUID} device vhd=[c:]\NanoServer\NanoSvr1.vhd

  • bcdedit /set {GUID} osdevice vhd=[c:]\NanoServer\NanoSvr1.vhd

  • bcdedit /set {GUID} path \windows\system32\boot\winload.exe

[Conclusion]

That’s all on our short guide to setup Nano Server for Hyper-V.

We follow the guide from Getting Started with Nano Server :- https://technet.microsoft.com/en-us/library/mt126167.aspx

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