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configure VTL with Netbackup 7.5

Created: 20 Aug 2012 • Updated: 29 Aug 2012 | 20 comments
NBU_13's picture
This issue has been solved. See solution.

Hi,

Anyone help me ?

Iam planning to build new Netbackup environment with Netbackup 7.5, as per client requirement, they need backup need to go to VTL (VTL itself have deduplication) and then it should replicate to tape library, anyone help tellme, how to configure VTL with netbackup and then, how can i replicate backup from VTL to tape library.

 

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mph999's picture

Ahh, you have a separate post ...  - I'll copy my answer in here ...

 

 

You configure a VTL the same as any library.  NBU does not understand 'VTL' it just thinks it is a 'physical' library.

I wouldn't recommend a VTL, just backup to disk, and the duplicate to tape.

A VTL is just disk, made to look like tape, why not just use disk ?  VTLs that de-dup / arcive off to tape are a pain :

Consider this.

The VTL has a tape that is called AB1234.  It is full and the VTL has archived it off to disk.

Now, you start a restore, NBU tries to access the tape ...  it can't as it has to wait for the VTL to 'rebuild it'.

That said, some VTL features are quite neat, Quantun Dxi (which can be just disk or VTL) is able to run direct copies to tape, so the duplication to 'real' tape goes stright from the Dxi to tape, without going via a media server (although a media server is used to control it) - this can work via SLP.

I'd use SLP to duplicte the backups to the second copy.  SLP will work if using disk or VTL, but is an extra cost, as it requires a license.  Customer care will advice on cost, or put you in contact with someone who can.

From this page:

http://www.symantec.com/business/support/index?page=landing&key=15143

You can see the links to the documentation, the device config guide and admin guides cover the setup.

Maritn

 

Regards,  Martin
 
Setting Logs in NetBackup:
http://www.symantec.com/docs/TECH75805
 
SOLUTION
Marianne's picture

In addition to Martin's excellent post :-

You need Enterprise Disk License for VTL - same license as if you use it as Advanced disk or as OST dedupe device. 
So your existing license (provided you were sold the correct license for VTL) will be good no matter if using disk storage as VTL or as Advanced/OST disk. 
You will be able to use SLP to configure both backup and duplication.

Another way would be the Vault option (separately licensed) to configure scheduled duplication and offsite management of tapes. See Vault Admin Guide

If you are not familiar with SLP, please read through the entire chapter in NBU Admin Guide I.

Chapter 15 - Configuring storage lifecycle policies

Next reading matter: Best practice for SLP and AIR   
This document contains guidelines for configuring duplications with VTL.

Please bear in mind that retention levels for backup and duplications are specified in the SLP, no longer in the schedules.
So, if you have different retentions for daily, weekly, monthly, etc, you will need a SLP for each of them and then 'override Storage Unit' in each of the schedules.

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

NBU_13's picture

Martin and Marianne, Thank you so much for your information and documents,

Let me start my build work, If I struck with any issue, Kindly guide me.

 

Thanks in Advance.

Genericus's picture

Be aware - SLP no longer reports in 7.5 like it did in 6.5!

Many of the commands only report images as incomplete until they get processed into the nbstserv, then they dissapear.

 

They DID add nbstlutil report, which gives a nice summary...

NetBackup 7.5.0.3 on Solaris 10
EMC 4206 VTL
acsls 7.3.1
SL8500 LTO5

NBU_13's picture

Hi

I have query,

I am planning to configure VTL(VTL with deduplication inbuild) and HP tape library in my environment, 1st copy of data need to go to VTL and the 2nd copy need to go to tape,

Now, If I configure this 2 copies through SLP, will be work, like 1st will go to VTL as backup copy and 2nd will go to tape as duplication, because why Iam asking this query, VTL is deduplication inbuild, so 1st backup will deduplication and it is possible to go 2nd as duplication copy to Tape ?

Marianne's picture

Yes, it will work.

Duplicate to tape may be slow because deduped data cannot be written to tape in dedupe format - data need to be 'rehydrated' and wriiten in full to physical tape.

Remember to read up on VTL considerations in Best Practice Guide (link in my previous post).
Important topic in this guide: Strategies specific to tape devices (including Virtual Tape Library).

Good luck!

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

NBU_13's picture

Thanks for information.

 

Hi, If VTL is connected with media server via SAN switch by using Fiber cable, we need to zoing with media server ?

for example, Iam planning to configure 4 Virtual tape drives in VTL,should I do zoning each drives with media server?

one more query, Iam going to use HP D2D 4312 VTL, which is deduplication induild, and physical tape library with 2 LTO drives

So, Iam planning to configure 4 virtual tape drives in VTL and 2 drives in physical tape library,

Now, I need to do zoning each 4+2 drives with media server?

 

 

NBU_13's picture

anyone guide me, on this query?

mph999's picture

You have to zone the x4 VTL tape drives to the media server, else it will be unable to see them.

If you want the physical drives to be seen by the media server, them these also have to be zoned.

Martin

 

Regards,  Martin
 
Setting Logs in NetBackup:
http://www.symantec.com/docs/TECH75805
 
NBU_13's picture

Martin,

VTL is disk, right, if we create and  configure virtual 4 tape drives and robot in VTL,

 

In generally, in physical drives and robot have some WWN number, by using WWN number only, we can able to do zoning drives and robot with media server, but in VTL, tape drives and robot are virtual, how we get WWN number for virtual drives and robot in VTL to do zoning with media server?

please advice me.

 

mph999's picture

The VTL will 'simulate' WWNs for the VTL drives.

You will need to look at the VTL documentation to see how this is done, or speak with the VTL vendor.

The other option is to zone via the port, not WWN.

Martin

 

Regards,  Martin
 
Setting Logs in NetBackup:
http://www.symantec.com/docs/TECH75805
 
NBU_13's picture

ok, thanks Martin, let me check with my Vendor.

NBU_13's picture

Hi,

I have few query,

1, I have HP D2D VTL hardware with around 32 TB space, shall I use 10TB space for Netbackup deduplication media server and remaining 22TB space is use for VTL configuration.

2. If I used this 10 TB space used for Netbackup deduplication media server, in future, If I plan to use this 10 TB for VTL, it will work, it work affect VTL configuration.

 

3. Once of my client have NAS device with 2 TB space, currently they are using this NAS device with 2TB space as disk storage unit, can I use this 2 TB space and configure as deduplication media server?

 

Anyone please advice me.

Thanks,

Raja sulaiman

 

 

Marianne's picture

1) We cannot decide on design for you.
Only direct attached storage can be used for Media Server dedupe (SAN, DAS). Is this possible with HP D2D?

2) You need to have this discussion with your HP team. There is no way in NBU to easily make this change - long list of steps to delete advanced/dedupe disk.

3) NAS cannot be used for MSDP.

Please consider getting assistance from Symantec Consulting Partner to assist with evironment assessment and backup design.
As Accredited and Certified backup administrator, we trust that you are familiar with NetBackup manuals for information on how to configure devices and SLPs, right?

 

PS: I believe your original query was answered.
Please select a post that has answered the questions in your Opening Post and Mark as Solution?

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

NBU_13's picture

Thanks Marianne,

my question is, If I use and configure VTL like normal server with 32TB disk space, I can able to configure this as media server with 20TB raw partition and create puredisk storage unit for this 20TB for deduplication backup ?

 

2nd question, 2TB NAS is not configured as NAS with my server, they have 1 master server, it act as media server with 2TB disk space (2TB NAS space is showing as raw partition in this media server), Now shall i configure this 2TB raw patition as puredisk storage unit for deduplication ?

 

Marianne's picture

my question is, If I use and configure VTL like normal server  

Ask HP if this can be done.

My question: Why not rather purchase a NetBackup appliance that fits your requirement? It is purpose-built master and/or media server with MSDP.

2nd question,

If the volume is SAN attached (not network) you can config it as MSDP - that is if you have correct license keys. You need to create a filesystem on the volume and mount it. See NetBackup Deduplication Guide  for details.

 

Another kind request:
PLEASE do not post new questions in this thread? 

Your original question was :

how to configure VTL with netbackup and then, how can i replicate backup from VTL to tape library.

You will agree with me that these questions have been answered more than a week ago.

Please start a new discussion for new questions.

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

NBU_13's picture

Thanks Marianne, Now iam clear,

The problem is , my client already purchase HP D2D VTL, but, now they are not interest to use VTL for backup, but, they got information as VTL is very slow, they are looking for Netbackup deduplication, at the same time, they want to use VTL hardware, so today, raise this query, like, ¨can you use my VTL as media server with netbackup deduplication¨

 

 

Marianne's picture

Thanks for the Solution, but in all fairness - Martin has answered your initial question.

I will move Solution to his post.

See why it is necessary to post different questions in separate threads?

Supporting Storage Foundation and VCS on Unix and Windows as well as NetBackup on Unix and Windows
Handy NBU Links

NBU_13's picture

yes, I agree, in future, I wont add different question in same post.

Thanks Martin and Marianne.