About throttling traffic to the media servers
You can use the settings on disk pool storage units to throttle the traffic to the media servers. Effectively, this setting also directs higher loads to specific media servers when you use multiple storage units for the same disk pool. A higher number of concurrent jobs means that the disk can be busier than if the number is lower.
For example, two storage units use the same set of media servers. One of the storage units (STU-GOLD) has a higher setting than the other (STU-SILVER). More client backups occur for the storage unit with the higher setting.