Hey. I've seen that this has been asked some times before, and there are stackoverflow/etc. questions on that, but none with a really good answer.
How can I best copy one btrfs filesystem (with snapshots and subvolumes) into another, especially with keeping the CoW/reflink status of all files? And ideally incrementally upgrade it later (again with all snapshots/subvols, and again not loosing the shared blocks between these files). send/receive apparently also works for just one subvolume,... and documentation is quite sparse :-/ Cheers, Chris.
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