Some of the NetBackup tools that you would like to keep it handy while performing any troubleshooting related task :-
1) Log Upload Utility:
Symantec NetBackup nbcplogs simplifies the tedious, time consuming, and error prone task of copying the correct and necessary customer NBU logs to Support
http://www.symantec.com/docs/TECH126223
2)Support Utility:
Symantec NetBackup Support Utility (NBSU) is a Symantec utility used to gather diagnostic information about the system on which the utility is run
http://www.symantec.com/docs/TECH160944
3)Catalog Consistency:
Symantec's Veritas NetBackup Catalog Consistency Utility (NBCC) is used to confirm the integrity of portions of the NetBackup catalog
http://www.symantec.com/docs/TECH156730
4)Symantec's Veritas NetBackup Catalog Repair Utility (NBCCR) is used to apply catalog repairs to the NetBackup catalog
http://www.symantec.com/docs/TECH156731
Enjoy the read ... !