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Question

Forecasting returning space for deduplicated data

  • January 29, 2025
  • 3 replies
  • 39 views

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Hi Team,

I have an interesting scenario.

After a lot of persuasion, one of our customers is considering a retention-reduction on non-critical data.
But they have asked me if I can work out how much disk space may be returned by this process.

The data is deduplicated. So the question I have:-

Does anyone know of a report which can show disk space returned for deduplicated data?

This might not be as straightforward as it sounds, since I will need to work with 20 or 30 clients, delete data that is over than a few months old but somehow collect details on expected space-savings, or disk-space to be returned.

it would be interesting to hear if anyone else has had a similar scenario and how you managed to obtain the figures (if this is actually possible).

Thanks

3 replies

Mohamed Ramadan
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hello ​@MountainGoat 
 

To forecast returning space, it’s actually easy at first. We have 3 key terminologies to understand

1.Application Size: This refers to the size of the data you need to back up, before any processes like deduplication or compression are applied. It's also called Front-End Terabytes.

2.Backup Size: This includes both the data files and the associated metadata.

3.Data Written: This is the size of the data actually stored on the media (whether on disk or tape), taking into account factors like deduplication and compression.
 

I recommend this report; it will provide you with all the information you need.
https://cloud.commvault.com/webconsole/softwarestore/store.do#!/135/666/13172

 

Let me know if that clarifies or need any hemp !
Best Regards,
Mohamed Ramadan
Data Protection Specialist


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  • Author
  • Byte
  • 37 replies
  • February 7, 2025

Are you getting these answers off ChapGPT?

 


Mohamed Ramadan
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hello ​@MountainGoat 

 

MountainGoat wrote:

Are you getting these answers off ChapGPT?

 


nope from this article
 




Best Regards,
Mohamed Ramadan
Data Protection Specialist


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