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Netbackup Deduplication and Front End Terabyte (FETB)

Hi,

I am hoping for some guidance in the area of Symantec calculating its (Capacity Licensing on FETB - Front End Terabyte) when data is initially deduplicated to disk and then backing up the data to tape after several months.

 

Query: If we create an SLP (Storage Life Cycle policy) that continually dedupe data from the client machine and then backing up the deduped data from disk to tape after x months, what will be the total FETB (Capacity Licensing)? Will the calculation be based on the initial "FULL" backup of the client or the eventual dedupe amount of data (as the dedupe data over a period of time when cutting over to tape)?

 

Hypothetical scenario

Client A = 500 GB (Full backup)

              = Deduped data 50 GB on disk (Total after 3 months)

 

What is the correct calculation when executing nbdeployutil tool? Will the total FETB be 50GB or 500GB?

 

Any information is much appreciated!

Thanks!!

1 Solution

Accepted Solutions
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Accepted Solution!

Calculation is based on the

Calculation is based on the initial "FULL" backup of each client.
This is why is is called 'Front End TB'. The amount of data on all clients that need to be protected.
In other words, before the data hits any backup device.

 

So, 500 GB on Client A
500 GB on Client B
will need 1TB Capacity license.

 

See http://www.symantec.com/docs/HOWTO67309 and http://www.symantec.com/docs/HOWTO68372 

Similar questions on the forum:

https://www-secure.symantec.com/connect/forums/capacity-licensing-front-end 

https://www-secure.symantec.com/connect/forums/capacity-based-license-0 

https://www-secure.symantec.com/connect/forums/technical-part-netbackup-front-end-terabyte-licensing...

View solution in original post

2 Replies
Highlighted
Accepted Solution!

Calculation is based on the

Calculation is based on the initial "FULL" backup of each client.
This is why is is called 'Front End TB'. The amount of data on all clients that need to be protected.
In other words, before the data hits any backup device.

 

So, 500 GB on Client A
500 GB on Client B
will need 1TB Capacity license.

 

See http://www.symantec.com/docs/HOWTO67309 and http://www.symantec.com/docs/HOWTO68372 

Similar questions on the forum:

https://www-secure.symantec.com/connect/forums/capacity-licensing-front-end 

https://www-secure.symantec.com/connect/forums/capacity-based-license-0 

https://www-secure.symantec.com/connect/forums/technical-part-netbackup-front-end-terabyte-licensing...

View solution in original post

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Thanks Marianne, appreciate

Thanks Marianne, appreciate your prompt response and clarification on the FETB (Capacity Licensing).