convert-vm-to-hyperv

Re-using a previously used Oracle Virtualbox VM on Hyper-V. Or qemu/KVM/libvirt.

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$ mv win10-level.ova win10-level.tar
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$ tar xf win10-level.tar
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$ ls -lh win10-disk002.vmdk
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-rw-rw---- 1 rrosso rrosso 16G Feb 15  2019 win10-disk002.vmdk
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$ qemu-img convert -p -f vmdk win10-disk002.vmdk -O vhdx -o subformat=dynamic win10-disk002.vhdx
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    (8.00/100%)
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$ ls -lh win10-disk002.vhdx
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-rw-r--r-- 1 rrosso rrosso 31G Sep  2 10:02 win10-disk002.vhdx

steps

• Create the Hyper-V Virtual Machine
• Open Hyper-V Manager on your Windows host.
• Right-click your server name, select New > Virtual Machine to launch the wizard.
• Follow the prompts to configure memory, generation type, and network settings.
• On the Connect Virtual Hard Disk screen, select Use an existing virtual hard disk and browse to your newly converted .vhd or .vhdx file.
• Finish the wizard and start your new virtual machine.

qemu

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$ qemu-img convert -O qcow2 win10-disk002.vmdk win10.qcow2