APFS and BTRFS

[Forrest Aldrich]

I have a really large (3+ TB) volume I am copying to a BTRFS volume 
(both over USB) which is painfully slow.  In fact, it will probably take 
days to complete.   My goal is to use BTRFS on that larger USB volume 
(it's an 18TB drive)....

I don't suppose there is a way to convert APFS to BTRFS :)   I know, but 
I thought I would ask as it seems like others may have a similar query.


Thx...