A VMFS holds files, directories, symbolic links, RDMs, and so on, and corresponding metadata for these objects. Metadata is accessed each time the attributes of a file are accessed or modified. These operations include, but are not limited to:

A.
Powering a virtual machine on or off.

B.
Creating, growing, or locking a file

C.
Changing a files attributes.

D.
Creating a virtual machine

E.
Powering an ESX host on or off.

Explanation:

A VMFS holds files, directories, symbolic links, RDMs, and so on, and corresponding metadata for these objects. Metadata is accessed each time the attributes of a file are accessed or modified. These operations include, but are not limited to:
– Creating, growing, or locking a file.
– Changing a files attributes.
– Powering a virtual machine on or off.