VMware的Virtual Disk format
https://www.vmware.com/app/vmdk/?src=vmdk
在这个文档中描述了VMDK的格式。
当前VMware提供了多种开发库：
vsphere soap api: provide the interface to manage vshpere.
Virtual Disk Development Kit：VMware Virtual Disk Development Kit (VDDK) is to create and access VMware virtual disk storage.
VDDK document:
VMware 虚拟机Specification中所有properties描述
https://vdc-repo.vmware.com/vmwb-repository/dcr-public/723e7f8b-4f21-448b-a830-5f22fd931b01/5a8257bd-7f41-4423-9a73-03307535bd42/doc/index-properties.html
一个使用sdk的示例库：
https://github.com/libyal/libvmdk/blob/main/documentation/VMWare%20Virtual%20Disk%20Format%20(VMDK).asciidoc
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