Configuring WS2012 R2 Hyper-V Live Migration Performance Options Using PowerShell

Didier Van Hoye (VM MVP like me) beat me to blogging about configuring the new options for Live Migration in Windows Server 2012 R2 Hyper-V.  He’s doing that a lot lately Smile  There Didier shows you how to configure the performance options for Live Migration in the GUI.  Here’s how you can do it using PowerShell:

Set-VMHost –VirtualMachineMigrationPerformanceOption <Option>

Where <Option> can be:

  • Compression: This is the default option in WS2012 R2 and uses idle CPU capacity (only) to reduce the time to live migrate VMs.
  • SMB: Using SMB 3.0 Direct (if RDMA is available) and Multichannel (if multiple NICs are available)
  • TCPIP: The legacy non-optimized Live Migration option

Example:

Set-VMHost –VirtualMachineMigrationPerformanceOption SMB

And that’s how Ben Armstrong probably scripted his host changes in his TechEd 2013 Live Migration demo (obviously with a lot more logic wrapped around it).

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1 Comment on Configuring WS2012 R2 Hyper-V Live Migration Performance Options Using PowerShell

  1. That’s serious scripting… 2 MVPs fighting for the first place for a line of very basic powershell… Come on, one lollypop each and you are all happy :-)

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