A new customer is using EMC NetWorker to manage backup and recovery within their environment. They would like to have all backup data go to Advanced File Type devices and be spread across the four…

A new customer is using EMC NetWorker to manage backup and recovery within their environment. They would like to have all backup data go to Advanced File Type devices and be spread across the four devices that they are currently using. The customer wants to use an additional device for new streams once there are eight running on a single device Backups should not queue if another device is unavailable. Which parameter should be set?