id summary reporter owner description type status component version resolution keywords cc guest host 5637 VBoxManage clonehd is very slow when cloning empty VDI => fixed in SVN/3.2.6 Donuts "Hi, VBoxManage is very slow when cloning an empty VDI file. For example, try this: VBoxManage createhd --filename test.vdi --size 20480 VBoxManage clonehd test.vdi test_cloned.vdi That maxes out my 2.1GHz Core 2 Duo for about 20 seconds. (Ubuntu 9.10 x86 host) " defect closed virtual disk VirtualBox 3.2.4 fixed other other