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TakamiChiro-9744 avatar image
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TakamiChiro-9744 asked DSPatrick commented

https://docs.microsoft.com/en-us/answers/topics/windows-server.html

HI everyone,

Good morning! Hope you can help, I already performed this twice. Here is what I encountered.

On the old file server running windows 2012, the current occupied size on the data drive is 3.5tb. No compression there. Then I used robocopy to transfer the data to a 6tb drive on a new file server running 2022. After 4 days, the 6tb drive on the new server is packed! I thought the first I may not do the robocopy command correctly. So I started over the process by deleting anything on the new server, but the outcome is still the same.

May I ask what happened? The 3.5tb on the old server will become 6tb? What should I check?

Thank you for your help.

Takami Chiro

windows-server
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DSPatrick avatar image
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DSPatrick answered

Might check the disk sector size.


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TakamiChiro-9744 avatar image
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TakamiChiro-9744 answered DSPatrick commented

Hi DSPatrick,

I think I know why. I found that the deduplication of the windows file server feature is enabled on the existing file server. So I just enabled and installed the same feature on the new file server and perform the data transfer again. I will see if that will preserve the same data size as the old server on the new server.

Thank you for your response!

Takami Chiro.

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Ok, sure if there are duplicates that could explain the issue.

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Just checking if there's any progress or updates?

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LimitlessTechnology-2700 avatar image
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LimitlessTechnology-2700 answered

Hello @TakamiChiro-9744

You can check if Disk deduplication enabled or not on your data volume as per below powershell command example.

 Get-DedupStatus -Volume "D:","F:"

Also check if the volume is formatted with NTFS or ReFS file system.


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