Only if enabled as follows: (knowing which OS will help....)
Add VERBOSE entry to vm.conf on robot control host.
Create debug folder under volmgr folder.
Create reqlib folder.
Restart NBU.
Example of robot inventory and update in reqlib log file :
09:16:43.705 [8466] <2> vmupdate: argv[0] = /usr/openv/volmgr/bin/vmupdate
09:16:43.705 [8466] <2> vmupdate: argv[1] = -rt
09:16:43.706 [8466] <2> vmupdate: argv[2] = acs
09:16:43.706 [8466] <2> vmupdate: argv[3] = -rn
09:16:43.706 [8466] <2> vmupdate: argv[4] = 0
09:16:43.706 [8466] <2> vmupdate: argv[5] = -rh
09:16:43.706 [8466] <2> vmupdate: argv[6] = master
09:16:43.706 [8466] <2> vmupdate: argv[7] = -vh
09:16:43.706 [8466] <2> vmupdate: argv[8] = master
09:16:43.706 [8466] <2> vmupdate: argv[9] = -nostderr
09:16:43.706 [8466] <2> vmupdate: argv[10] = -use_barcode_rules