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How to Copy VirtualBox Image – Mac OS X

Here’s a short tutorial to copy VirtualBox image for backup or cloning. I have successfully used this method to clone an existing VDI to make 2 Windows XP virtual machines, one running IE6 and the other IE8 on a MacBook Pro.

Virtualbox with clone copies of Win XP

Step-by-step to Copy VirtualBox image on Mac OS X

Step 1: VBoxManage clonehd Master.vdi Clone.vdi

Step 1: VBoxManage clonehd Master.vdi Clone.vdi

You will need to run the above command in the Terminal. First, at the command prompt,

cd ~/VirtualBox\ VMs/Windows\ XP

then enter,

VBoxManage clonehd Windows\ XP.vdi Windows\ XP\ IE6.vdi

You will have to wait a while for the new VDI is being created.

VirtualBox Manager - Select VM Name and OS Type

Step 2: Creat a New Virtual Machine for the newly Cloned VDI

Run the VirtualBox Manager and create a new virtual machine.

You will be promoted to enter a name for the new virtual machine and select the OS type as show in the screenshot above.

Next, allocate the amount memory for your new virtual machine. I used the same setting as the original virtual machine.

VirtualBox Manager - Virtual Hard Disk

At the Virtual Hard Disk prompt, select “Use existing hard disk”. Then click at the folder icon folder icon to select the VDI which you’ve just cloned and use it for the new virtual machine.

In my case, the newly created virtual machine would be running Windows XP with IE 6 and I would upgrade my original virtual machine to IE 8. Now I have both IE 6 and IE 8 running on my MacBook Pro for cross-browser testing.

{ 1 comment… add one }
  • Derek 7 Jun 2011, 1:41 pm

    You, my friend, are a lifesaver! I had been searching for the clear answer on doing this in the Mac OS Terminal. Finally putting a 6-hour long project to bed (only to start IE testing a browser tomorrow… I’m not sure which is worse!).

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