# vboxmanage clonehd win8.1_20170801-disk1.vmdk win8.1.vdi --format VDI
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Clone medium created in format 'VDI'. UUID: 253ddf82-d779-4980-b67e-a4dcfa4278cb
25G -> 30G
1024 * 30 = 30720
# vboxmanage modifyhd win8.1.vdi --resize 30720
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
윈도우 부팅후
- 디스크 관리 -> 볼륨확장
