Longhorn:: Hypervisor - Windows Server Virtualization Demo

Longhorn:: Hypervisor - Windows Server Virtualization Demo

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I just posted the TechReady keynote demo, which I talked about earlier, on soapbox.

In this demo you will see:

  • Windows Server Virtualization running on Server Core managed from another Windows Server Longhorn box
  • 64-bit hosts and 32-bit hosts and a Linux running on the same server core box
  • An 8-core virtual machine
  • System Center Virtual Machine Manager
  • System Center Operations Manager
  • Monitoring the VMs on the Server Core box 
  • Fire off a PowerShell script to hot-add another NIC to a SQL VHD Image

This demo is just awesome. I loved the PowerShell script where Jeff just added another NIC to a VM.

I can barely wait to get me hands on this kind of technology. Now I am already testing the Longhorn server but once I can get my hand onto the Windows Server Virtualization I will definitely move my VM towards this Technology.

Video: Longhorn - Windows Server Virtualization 


  • If you visit the url, you will see the page is titled Loghorn :)


  • Many thanks to Arlindo Alves (Microsoft Belgium) has just posted the Jeff Woolsey's Hypervisor demo on

  • I got the privilege of seeing this recently - Im very impressed with it and like Ive blogged previously,

  • Mijn collega Arlindo Alves heeft op zijn blog een demonstratie toegevoegd van de Longhorn Hypervisor. Daarin...

  • I'm very sure you've all seen this by now...just in case you haven't, you can get more details from Arlindo's

  • OK, now I am getting excited and I have to thank fellow IT Pro Advisor Arlindo Alves for finding this

  • Sorry but it sounds more like bells and whistles to my hears. If you take time to learn about virtualization technologies in general; 2 cores in VM is not so efficient performance wise, overhead on 8 cores should be really nice to measure. An overloaded network adapter in a VM, *cough* it seems he had really nothing else to show us.

    I'll be impress when I see disk controller + partition for e.g.

  • Adding a second virtual NIC to a VM still does not change the fact that there is only 1 physical NIC in the host physical server.  You are not increasing throughput at all...

    If you really want to increase throughput, you would need to add a physical NIC to the Longdonghorn host server which - yes - means the same downtime.  And now, you have that same downtime for ALL VMs running on that host - not just the SQL server that needs it.  Wow...what a treat.

    A better demo would have been showing the live migration of the VMs to another host so that the original server could be brought down to add the physical NIC with NO downtime for the VMs.  Something that VMware can do today...

  • Me

    Today with Virtual Server we are able to cluster and then failover the guest with downtime.

    Later with Windows Server Virtualization we will also have the live migration.

  • Everyone is familiar with the fictitious element of the planet Krypton. Strangely, this element is poisonous

  • From Arlindo's blog I found an awesome Longhorn Hypervisor Virtual Server demo given at Microsoft. This

  • When would it be available? And what is the performance... so for hot adding the nic ... some kind of API is required in the OS ... would this be available to the competitors? And most importantly how much of it is vaporware?

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