File indexing works directly with backup data, without connecting to the hypervisor or examining VM or instance group configuration.
A file indexing job includes the following stages:
The MediaAgent assigned for the server plan discovers virtual machines or instances that have been backed up.
The indexing job mounts each VM backup on a VSA proxy.
The indexing job launches a Filescan operation and submits a list of volumes.
The Filescan operation processes each volume to create a list of files and folders with the following attributes:
Disks and volumes
File and folder names