Oracle VM - OVM server cannot install on GPT boot partition

某台server之前安裝vSphere 5.5，想要重新安裝Oracle VM 時遇到這個問題 "OVM server cannot install on GPT boot partition"

解決方式如下:
1. Boot up to installation Windows 7/Vista/2008 DVD/CD.
2. Click install but don't follow through.
3. Press SHIFT-F10 to bring up console.
4. Type "diskpart"
5. Once inside diskpart type:
-> list disk (find the one you want to convert)
-> select disk 0 (select the one you want from the list. You can see an asterisk on GPT column)
-> clean
-> exit
6. Reboot your server with OVM disk.