The unique name of the source disk (Disk-Virginia-1).
Disk-Virginia-1
The name of the destination disk snapshot (my-disk-snapshot) based on the source disk.
my-disk-snapshot
The unique name of the source instance (Amazon_Linux-512MB-Virginia-1). When this is defined, a snapshot of the instance's system volume is created.
Amazon_Linux-512MB-Virginia-1
The tag keys and optional values to add to the resource during create.