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File copy/move across drives and fragmentation


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Hello everyone,
I got 4 new drives for my Unraid server, then I decided to move all the data from a drive to another one to avoid defragmentation operation, but it seems the new drive has already a very high fragmentation...

How is that possible?

I just finished moving data from the old drive few hours ago and I did nothing else in the new drive!

image.png.dfed9820ec1650e56efc19d2dacad0e9.png

 

To move the files I used Dynamix File Manager, I don't know if it matters, but I think it was worth mentioning.

Btw, you can see some parts are already defragmented just beacuse I've initially aborted doing Ctrl+C after few mins and started again...

 

How much time is required in your opinion to defrag 3.8 TB of data on a 4 TB drive (Seagate Constellation ES.3 ST4000NM0023 attached to LSI SAS 9211-8i)?

 

Thank you!

Edited by endystrike
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  • endystrike changed the title to File copy/move across drives and fragmentation

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