Virtual machines are no less likely to lose data, become corrupted, or fail than their physical counterparts. And though some might argue against that point, it is most certainly the best way for you to look at virtual machines. With the opposite school of thought, you might be jeopardizing the infrastructure with overconfidence in virtual machine stability. It's better to be safe than sorry. When it comes to virtual machine backup planning, VMware suggests three different methods you can use to support your disaster recovery plan:
Using backup agents inside the virtual machine
Using VCB to perform virtual machine backups
Using VCB to perform file-level backups (Windows guests only)
VCB is VMware's ...