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I'm looking for a clever way to upgrade to Windows 64 bits on my MacBook Pro's Boot Camp partition. This is the plan I have established (considering you can't just upgrade Win32 to Win64):

  1. Move the Boot Camp partition to a VMDK file;
  2. Overwrite the Boot Camp partition with a fresh Windows 7 64 bits install;
  3. Reinstall programs and non-transferrable stuff;
  4. On Mac OS, run both Win7 32 bits and Win7 64 bits inside VMWare Fusion virtual machines, and use Windows Easy Transfer.

The only problem here is that I don't know how to turn a physical partition into a VMDK file. There's enough room left on my drive for this, even without the slightest compression, I just don't know how.

I stumbled upon Live View, which can turn a raw image (dd style) into a VMDK. (There's no Mac OS version of it, but since it's Java, I assume I'll be able to run it anyways.) However, there's no explicit mention of Windows 7 in the list of supported operating systems.

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this should answer your question: youtube.com/watch?v=zNYXWEdVivo –  user223502 May 10 '13 at 19:35
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4 Answers

up vote 2 down vote accepted

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1015088

This is the easiest way to do it.

  1. Launch Fusion.
  2. From Fusion's menu bar, click Window > Virtual Machine Library.
  3. Ctrl-click the Boot Camp icon in the left column.
  4. Click Import.
  5. Enter an administrator username and password, then click Ok. For Fusion 3.x, choose a place to save the new virtual machine (the default location is a folder called Virtual Machines, inside your Documents folder), and click Save.

    For Fusion 1.x and 2.x, when the Import Assistant launches, click Import.

  6. When the import is completed, the newly created virtual machine appears in the Virtual Machine Library window.

Note: The time it takes for the import process to complete depends on the size of your Boot Camp partition.

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This method works like a charm in VMWare Fusion 5! The save dialog is a bit confusing as it states that 0,0 GB will be needed for the import but it will still copy the BootCamp partition. –  Benjamin Wegman Dec 24 '12 at 12:00
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If you go in to Windows, you can use the free VMWare Converter utility.

I have no experience with VMWare fusion, but I do use a lot of the time with VMWare Workstation and it works well, so I am guessing it should work the same for fusion!

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That would be a lot of trouble, since I can't write to my Mac OS partition from Windows, and obviously my Windows partition isn't large enough to contain another copy of itself. I can see a few workarounds to that, but if someone comes up with an easier solution, I'll go with it first. Still, thanks for your time. –  zneak May 7 '11 at 21:07
    
@Zneak - any external USB Drive or similar? I usually write to a NAS... and, pretty much any other tool will come up with similar problems? –  William Hilsum May 7 '11 at 21:33
    
I have an external HFS drive, but the hurdles are going to be the same. Though, as I said, I know how to work around the issues, it's just that if there's a really really simple solution, I'd rather go for it. –  zneak May 8 '11 at 1:44
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I actually found an easier command-line way, and then it made me realize there is an easy GUI way.

VMWare Fusion is accompanied by a bunch of CLI utilities in its Contents/MacOS folder. The diskCreate tool can be used to clone an existing vmdk file (including vmdk files that refer to an actual drive or partition) onto a new one. Unmounting my Boot Camp partition (through the Disk Utility) and using this command:

sudo "/Applications/VMWare Fusion.app/Contents/MacOS/diskCreate" \
     -A onDemandAlloc -C "Boot Camp.vmdk" ~/Desktop/win7-32.vmdk
sudo chown $USER ~/Desktop/win7-32.vmdk

("Boot Camp.vmdk" being located in ~/Library/Application Support/VMware Fusion/Virtual Machines/Boot Camp/Boot Camp.vmwarevm/)

I was able to clone my Boot Camp partition into an usable vmdk file. Just so you know, the process took about an hour and a half (for a 120 GB partition with about 80 GB of actual data) during which the disk IO was (obviously) saturated, resulting in a significant slowdown of my system.

When creating the new VM though, I realized that there is a graphical user interface to do the same thing. If you create a VM without using an install disk, you have the option to choose an existing vmdk file, and the option to copy it. While I did not go through with it, this way of copying the vmdk seems to yield the same results as diskCreate.

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I didn't use Boot Camp, but rather installed to a raw partition and used reFIT to boot. In order to pull the data off the partition I used the command line:

/Applications/VMware\ Fusion.app/Contents/Library/vmware-vdiskmanager -r path/to/rawdisk-file.vmdk -t 0 path/to/virtualdisk-file.vmdk

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