1. did you perform oracle_link script or libobk.so linked?
2. Is NB_ORA_SCHED parameter (in rman script or oracle template) Default-Application-Backup?
3. let's confirm clientname, such as bp.conf, client name in the policy, and rman sc...
snoop (solaris) and Network monitor (Windows) can also be used instead of wireshark (or Etheral),
You should measure the disk (read) speed independent of the network components and tape components.
Check [Performance & Tuning Guide P.92 "To measure...
1. On the active node, run the Device Configuration wizard. Create a new storage unit.
2. Move the Netbackup resource group to the passive node.
3. Run the Device Configuration wizard. Create a new storage unit.
See "NetBackup High Availability...