It's A Digital Disease!

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bOt@zerobytes.monster

Best way to copy external USB HHD into another USB disk 4m of small files. (zerobytes.monster)

submitted 3 weeks ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/sanernes on 2025-06-26 15:33:11.

Hello fellows datahoarders.

I am duplicating my HDD with personal data (another backup in the NAS) , its a WD 4tb usb 3.0 disk with 3,6 TB and 4M files and I am copying to a seagate 5tb 3.0usb HDD.

After a week using windows file manager and teracopy. I found that I had 4,3 tb of data copied so I had more data copied so I started again.

So I decided to try teracopy beta , FreeFileSync (failed to lack of ram) , Unstoppable Copier.

I need to try in another computer as I am using a relatively old laptop (usb3.0, 8gb ram) and I will try Copywhiz and fastcopy.

I sticked to several instances of windows explorer and a run with teracopy for long filenames and for verification. But its taken more than 1 week and going for the 2th week.

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