Specifies the Amazon Resource Names (ARNs) of the security groups associated with an Amazon EFS file system's mount target.
Specifies the ARN of a subnet where DataSync creates the network interfaces for managing traffic during your transfer.
The subnet must be located:
In the same virtual private cloud (VPC) as the Amazon EFS file system.
In the same Availability Zone as at least one mount target for the Amazon EFS file system.
You don't need to specify a subnet that includes a file system mount target.
The subnet and security groups that DataSync uses to access your Amazon EFS file system.