FreeFileSync Forum

@therube

Actually copying to a WD drive (not SSD). Volume is not raw but formatted for HFS+ since it is a spinning disk. The copy is not an image but rather individual files.

Interesting that the file sizes of individual folders match up exactly but when everything is complete the free space ...

I wouldn't think that the transport has any affect on how the operating system writes to the drives other than speed. I was thinking that possibly the G-Technology enclosure was doing some compression on the way in but there tech folks won't admit to that.

Even the Finder copy produces the same ...

Hey there,
Just curious if anyone has any insight as to why after performing a Synchronize Update to a fresh drive produces over 2TB more space utilization on a target drive vs. the original.

Environment:
MacOS Big Sur 11.1
MacMini M1 - 8G ram
Original Disk G-Technology 12TB Raid0
Target Disk - 2 ...

Thanks for the reply xCSxXenon.
The drive with the TimeMachine backup I was trying to move was being used for two machines. So what I did on a second attempt was to only select one of the sub-folders under the backupdb. The original drive space was only 1TB and the scan showed 2.6TB to be placed on ...

Indeed, I am wondering the same thing understanding that copying 1TB is gonna take a while but really this:


Sync_length.png

And oh by the way - the original disk is only 2TB but if you'll notice the tool says 3.37TB remaining.

Is this just an anomaly with trying to copy a TimeMachine backup ...

Attempting to run an "Update" Sync on MacOS 10.14.6 to copy a TimeMachine backup database from one external drive to another.
I am logged in with Admin privileges but still get errors when the scan attempts to open the hidden system directories even though from my user account through finder I can ...

Doing a straight mirror of a TimeMachine backup from a 2TB Lacie external to a 4TB WD easystore.
Why would the scan find more than double the amount of files than the original disk can actually store?