A data path is the combination of MediaAgent, Library, Drive Pool, and Scratch Pool that are used by the storage policy copy to perform a backup operation. See GridStor (Alternate Data Paths) - Overview for more information.
Agents
All agents support this feature, including subclient data paths.
The SAP for MAXDB agent supports only the preferred data paths option.
For the Notes Database agent, transaction log subclients are not supported.
Libraries and MediaAgents
All libraries and MediaAgents support this feature.