ghettoVCB
http://www.mobile01.com/topicdetail.php?f=300&t=4438446
https://github.com/lamw/ghettoVCB
VMDK Thin Provision Type Copy
vmkfstools -i /vmfs/volumes/VMBackup/0.vmdk /vmfs/volumes/datastore1/Test/0.vmdk -d thin &
或是用現成的 ghettoVCB Backup Script … VM 免停機就能備份
Export OVA / OVF 都太慢啦