However, in NB 6.X .......
DOCUMENTATION: What are some of the situations where is it necessary to restart daemons / services in VERITAS NetBackup (tm) 6.0?
The following are some common situations where it may be necessary to restart some or all of the NetBackup 6.0 daemons:
I. Changing the storage unit configuration
When adding, removing, or modifying a storage unit in NetBackup 6.0, no restarts are necessary. Changes will take effect for the next backup or restore that uses the storage unit. Any existing backups will not be updated with the changes if they were started before the changes were made.
Adding: No daemons need to be restarted
Modifying: No daemons need to be restarted
Deleting: No daemons need to be restarted