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Netvault Data Copy Questions | Version 11.0.0.52

roganh
over 7 years ago

 Hello there! 

 

I need some help guys, will try and be descriptive as possible: 

 

I have 10 tapes with a minimum capacity of 15tb (1.5TB each and 3TB with compression)
I want to data copy the deduped sets which are roughly 12tb in total
I want to know if the data copy copies the deduped backup set to tape

Reason being I see on the tapes it is showing the non-deduped size of the backup sets once the copy to tape is done
I really don't think that the data is being taken back to it's original form/size and then copied over
I would just like to confirm/have my sanity checked here.

 

If anything is not clear or some clarity is needed please don't hesitate to ask a question! 

 

Thanks a mil in advance! 

Rogan

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  • 0 over 7 years ago
    Hi Rogan....to add to what Scott has said, is it 12TB of data post dedupe or pre dedupe?

    If it is post dedupe then you check the dedupe ratio(through DR Web UI) that you are getting for the 12TB of deduped data stored on the DR and using that you will be able to calculate the hydrated size of the data sets and thus figure out how many tapes would be needed to data copy all of the data from the DR.

    If the 12TB is pre-dedupe then it will still be 12TB when it is re-hydrated so you will have enough tapes already.

    Cheers,

    Graham
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  • 0 over 7 years ago
    Hi Rogan....to add to what Scott has said, is it 12TB of data post dedupe or pre dedupe?

    If it is post dedupe then you check the dedupe ratio(through DR Web UI) that you are getting for the 12TB of deduped data stored on the DR and using that you will be able to calculate the hydrated size of the data sets and thus figure out how many tapes would be needed to data copy all of the data from the DR.

    If the 12TB is pre-dedupe then it will still be 12TB when it is re-hydrated so you will have enough tapes already.

    Cheers,

    Graham
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