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1) Which are the backup types that are available in

Netbackup ?

Answer-

Differential Incremental Backup

Commulative Incremental Backup

User Backup

User Archive

Full Backup

2)What is a master server & media server?

3)What is volume pools & volume Groups?

4)What is media multiplexing?

Answer-

The process of sending concurrent-multiple backups from one or more clients

to a single storage device and interleaving those images onto the media.

5)What does these status codes mean- 216, 256,298,50?

6)What is the process of importing images and why do we

import images?

7)What does it mean by inventoring a robot?

8) What is avrd ?Answer-

The automatic volume recognition daemon on UNIX and process on Windows

9) What is bpadm?

Answer-

An administrator utility that runs on NetBackup UNIX servers. It has a

character-based, menu interface that can be run from terminals that do not

have X Windows capabilities.

10)What is a frozen image ?

Answer-

A stable disk copy of the data prior to backup. A frozen image is created

very rapidly, causing minimal impact on other applications.

There are two basic types: copy-on-write and mirror.

11)What is retention period ?

Answer-

The length of time that NetBackup keeps backup and archive images. The

retention period is specified on the schedule.

12)What is tape spanning ?

Using more than one tape to store a single backup image.

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13)What is TLD,TLH,TLM,TL4,TL8?

TLD-Tape Library DLT

TLH-Tape Library Half-inch

TLM-Tape Library Multimedia

TL4-Tape Library 4MM

TL8-Tape Library 8MM

14) What is the full form of DLT?

Answer-Digital-linear tape or tape drive type.

15)What is image expiration and volume expiration?

Image Expiration-

The date and time when NetBackup stops tracking a backup

image.

Volume Expiration-

The date and time when the physical media (tape) is

considered to be no longer

usable.

16)Commanline to shutdown netbackup services on WindowsServer?

Answer-bpdown

17) Which command is used to produce a report on Status of

Netbackup Images?

Answer-bpimagelist

18) What is the use of command vmupdate?

Answer-Inventory the media contents of a robotic library.

19) Commandline for Creating a copy of backups created by

NetBackup?

Answer-bpduplicate

If Media Server fails.

What are the steps to be followed?

Can anyone please reply for this question

In real time environment if the media server crashes, they rebuild the media

server,install OS,install netbackup,restore the catalog.

That's all.

Question

1. If you have a SCSI attached robot and in device monitor you see the drives marked as AVR,

what does that mean and how would you fix it?

2. If I asked you to tell me if a client has Netbackup on it just by using a telnet command what

http://www.symantec.com/connect/forums/net-backup-interview-questions#comment-2660471http://www.symantec.com/connect/forums/net-backup-interview-questions#comment-2660471

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would you do?

3. If you wanted to know what IP address netbackup was using to perform backups what

command would you run and where would you run it?

4. What is flash backup?

5. How is image stored in netbackup

6. If a media ID A04567 comes back and it is frozen, what are the steps to unfreeze it and move

it back to scratch from the command line?

7. If you wanted to bypass netbackup commands and move a tape from slot 1 to drive 3 how

would you do that?

8. What is the client version supported by NBU 6.x and 5.x masters

9. If your last catalog backup was two days ago and the master server crashed what would you

have to do to bring your environment back up to present time?

10. How do you find a disk based image via the command line and then delete it?

11. How do you import an NBU image that has been written to a disk storage unit?

12. What are the critical catalogs or databases on a Media Server?

13. How would you tune NetBackup to increase backup performance?In which location(path) the temp files located in Netbackup for Windows/Unix?

14.What is the process of importing images and why do we import images?

15.How to Importing and expiring images?

16.What does it mean by inventoring a robot?

17.What is SAN media server?

18. How to check tape is bad?

19. How to check the tape is already expired or not?

20. How to check volume pool?

21 Media has been already expired, How to find out?

22. How to check tape is in cap?53. How to see log entries, how to create log directories?

24.SQL Script.. in client..how to create?

25. How to install media server(with device configuration steps)?

26.what is avr mode

27. There is a Tape library with 10 drives ...Can we able to create 2 Storage units.....?

28.There are 1000 Client machines , 999 machines are transferring datas in good speed but

one client machine is taking too long to transfer a datas ..... That is ...backup should complete

within 2 hours ..but after 12 hours and more ...the data transfer is still happening.... why?

1. What is User Backup,User Archive & How to take?2. Difference between 5.x, 6.x VNB

3 .In which location(path) the temp files located in Netbackup for Windows/Unix?

4. How do you configure a client for automatic backups?

5. What's the difference between diff incr and cumulative incr? What happens when I mix them

on Windows client... Unix client?

6. How is a changed file determined on Unix?

7. When would I, or would I not, use cross mount points?

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8. What is the difference between a Volume Group and a Volume Pool?

9. How do you back up the catalog? Why is this important? What do you have todo if you don't

have a catalog backup?

10. How do you recover the catalog?

11. How do you configure retention levels for a backup?

12. If I install the Admin client on an NT workstation, what else has to be done for it to work... bean authorized server?

13. What is multiplexing? What is multiple data streams? Are they the same?

14 .how can I recover an corrupted image?

15. How can we assign barcode rules?

16. What is OTM? TIR?

17. What format does NetBackup write the tape in?

18. How does NetBackup tie together with Media Manager?

19. How do I create a Storage Unit that will only be used by one client?

20. What is the difference between the expiration date for a volume in NetBackup's media

catalog and Media Manager's volume database?

22. What is the difference between a frozen volume and a suspended volume?

23. How many Robot Control Hosts can a DLT tape library have?

24. What does the bpbkar process do? bpsched? bpbrm? bpdbm? ltid? What process controls a

DLT tape library... a DLT tape drive? What is the AVRD process?

25. Why is the catalog the most important component of Netbackup?

26. What does status 59 mean in the activity monitor?

27. Installation process for NBU 5.x, 6.x?

28. what is AVR mode?

29. Why is a binary catalog more efficient than an ASCII catalog?

30. What are NBU daemons and how to process

14. bpexpdate then bpimport

17. tar

23. One

14. bpexpdate. when is bpexpdate -deassignempty run?

14. bpimport. Why are there two phases?

17. where is tar in NetBackup and what is it called?

23. how can you change the control host?

In All interviews i have faced of netbackup.. i found three more or less common questions

1) About RMAN.. backup.. what is backup sequence of rman backup

2) SQL Script.. in client..how to create?

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3) How to install media server(with device configuration steps)

4) basic questions about vault and VTL

17. where is tar in NetBackup and what is it called? ??? frankly speaking i hav no idea about

this question can anyone help

Tar is format of tapes written by netbackup

go to host properties->master server->properties--Media and there is option called allow media

overwrite..

same can be found in bp.conf in ALLOW_MEDIA_OVERWRITE

If you have a SCSI

1. If you have a SCSI attached robot and in device monitor you see the drives marked as AVR, what doesthat mean and how would you fix it?

2. If I asked you to tell me if a client has Netbackup on it just by using a telnet command what would youdo?ANS: Telnet command used to check the bpcd port is running on the clientTelnet < host name> bpcd /137823. If you wanted to know what IP address netbackup was using to perform backups what command wouldyou run and where would you run it?ANS: use bpclntcmd pn from master server to the client.

Bpcover r < host name>4. What is flash backup?5. How is image stored in netbackup6. If a media ID A04567 comes back and it is frozen, what are the steps to unfreeze it and move it back toscratch from the command line?ANS: bpmedia unfreez < Media ID>Through GUI , right click on the media to move to scratch volume pool7. If you wanted to bypass netbackup commands and move a tape from slot 1 to drive 3 how would youdo that?ANS: robtest s1 d38. What is the client version supported by NBU 6.x and 5.x mastersANS: The version support from 6.x to 4.59. If your last catalog backup was two days ago and the master server crashed what would you have todo to bring your environment back up to present time?ANS: I am expecting some one answer to this question.10. How do you find a disk based image via the command line and then delete it?ANS: http://seer.entsupport.symantec.com/docs/279174.htm11. How do you import an NBU image that has been written to a disk storage unit?12. What are the critical catalogs or databases on a Media Server?13. How would you tune NetBackup to increase backup performance?

In which location(path) the temp files located in Netbackup for Windows/Unix?14.What is the process of importing images and why do we import images?ANS: There are two phases.Phase I: It builds the skeleton metadataPhase II: It allows you to select which images to actually complete the import process.http://seer.support.veritas.com/docs/240402.htm15.How to Importing and expiring images?16.What does it mean by inventoring a robot?17.What is SAN media server?

http://www.symantec.com/connect/forums/net-backup-interview-questions#comment-3371661http://seer.entsupport.symantec.com/docs/279174.htmhttp://seer.entsupport.symantec.com/docs/279174.htmhttp://seer.support.veritas.com/docs/240402.htmhttp://www.symantec.com/connect/forums/net-backup-interview-questions#comment-3371661http://seer.entsupport.symantec.com/docs/279174.htmhttp://seer.support.veritas.com/docs/240402.htm

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18. How to check tape is bad?19. How to check the tape is already expired or not?20. How to check volume pool?21 Media has been already expired, How to find out?22. How to check tape is in cap?53. How to see log entries, how to create log directories?24.SQL Script.. in client..how to create?ANS: Start> program> Backup, restore and archive> select DBs and save. It will create .bch files25. How to install media server(with device configuration steps)?26.what is avr mode27. There is a Tape library with 10 drives ...Can we able to create 2 Storage units.....?ANS: As per my knowledge. N no. of storage units you can create. But mail criteria to create a storageunit is.1: It should be same robot controller2: It should be same library3: It should be same media server connected4: It should be same Density.28.There are 1000 Client machines , 999 machines are transferring datas in good speed but one clientmachine is taking too long to transfer a datas ..... That is ...backup should complete within 2 hours ..butafter 12 hours and more ...the data transfer is still happening.... why?

ANS: Please check the Network bandwidth. BPTM,bpbrm on both master and media server and bpbkarand bpcd logs on clients. I am appreciated if any one give more information on this.

1. What is errorcode 58 and trouble shooting?

2. What is 99 errorcode and troubleshooting?

3. If ndmp backup faile how do troubleshooging?

4.. How to take catalog backup?

5. How fo restore catalog backup?

6. How can we assign barcode rules?

7. How to install media server(with device configuration steps)?

8. Basic questions about vault and VTL?

9. How to check the tape is already expired or not?

10. How to check volume pool?

11 Media has been already expired, How to find out?

12. How to check tape is in cap?

13. How to see log entries, how to create log directories?

14. How to check tape is bad?