Question: how to enable bpbkar logs?
Answer:  Create the below directoriesin the NetBackup install path on the host: ~/openv/netbackup/logs/bpcd. ~/openv/netbackup/logs/bpbkar.
 Increase verbosity: a. Save a copy of the ~/openv/netbackup/bp.conf file. ... 
 Restart the inetd/xinetd daemon. Service –status-all. Service xinetd restart.
 Service netbackup stop| start.