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Depuplication problems.

Posted on 2014-08-21
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Last Modified: 2014-09-17
I have a 3.5TB drive that has 500GB of data on it but is full. The dedup folder properties shows 3.0TB.
Why is this and is there a way to get my space back without formatting the drive.
The files that are being deduplicated are Veeam backup files.
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Question by:pgcIT
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by:gheist
ID: 40277340
And The Deduplication provider is?
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by:pgcIT
ID: 40277370
This is on Server2012
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by:gheist
ID: 40277482
Where is vmware?
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Efficient way to get backups off site to Azure

This user guide provides instructions on how to deploy and configure both a StoneFly Scale Out NAS Enterprise Cloud Drive virtual machine and Veeam Cloud Connect in the Microsoft Azure Cloud.

 

Author Comment

by:pgcIT
ID: 40277729
What's the relevance of this question?
Server 2012 is running deduplication on a drive that is storing Veeam backups.
Veeam Backup & Replication is software for VMware VMs backup.
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by:gheist
ID: 40278276
Sorry but you are too brief.
You still have not told if your windows is physical machine or virtual machine and how you found that disk is full (is it vmware disk or physical disk?)
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by:compdigit44
ID: 40281965
I will assume you are using dedup through Veeam if so what are your storage optimization options set to. Also what type of 3.5TB drive are using using?

http://helpcenter.veeam.com/backup/70/vsphere/compression_deduplication.html
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by:pgcIT
ID: 40293919
@ compdigit44 Thanks for the link.
A bit more information. The server 2012 is a physical server and the drive that I had a problem with is a physical attached three disk RAID5 array of 2 TB disks each...so roughly 3.5TBs. What is being stored on that physical disk are Veeam backups. Probably not ideal to have Windows deduplicate Veeam backup files but it wasn't our intention in the first place.
Since then we aggressively moved a large portion of the Veeam backup folders from the drive. Only 250GBs of space was recovered from the move but over the next few days we now have another 2.5TB recovered.
Dedup Voodoo I guess.
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by:gheist
ID: 40294180
3.5TB means that it will take more than two days per windows deduplication pass.
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pgcIT earned 0 total points
ID: 40320248
Every Saturday a "garbage collection" is done, releasing data back to the OS.
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by:gheist
ID: 40320561
You can run another pass during the week...
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Author Closing Comment

by:pgcIT
ID: 40327529
Data was recovered after Saturday
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