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Permission denied on data volume when making dd image.

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(@jorben)
New Member
Joined: 2 years ago
Posts: 1
Topic starter  

I recently purchased a Macbook M1 Pro 16 inch. When creating a .dd image of my Macintosh HD, the command copies only 4 of the 6 volumes. When I want to create an image of only my data volume, I get an error message "permission denied" despite SIP (System Integrity Protection) and FileVault being disabled. what could be the problem here?
Command I used: sudo dd if=/dev/diskX of=/destination/path bs=64k


   
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(@lazza)
Active Member
Joined: 5 years ago
Posts: 4
 

You cannot perform a dd on that "synthesized" volume, it won't work... and if you get a DD of the whole disk, it's encrypted with hardware-level encryption.

Nowadays the best option is to acquire a logical, Full File System image.


   
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