To create a snapshot using vSphere:
To view your snapshots:
In this example, there is one Snapshot, named September 2016.
Snapshots can also be viewed in Storage.
In this example, there are two files for the Snapshot. The .vmsn is the snapshot file, and the .vmdk file containing 000001 also contains the snapshot.
Snapshots can also be viewed by making an SSH connection to the ESXi server. In the console, navigate to /vmfs/volumes/xxxxxxxx-xxxxxxxx-xxxx-xxxxxxxxxxxx/folder. The .vmdk file containing 000001 contains the snapshot.