Via https://www.linuxuprising.com/2018/11/easy-nfs-share-setup-in-ubuntu-linux.html

En attendant, sur des 20M+ files :

# En direct
cd /mnt/source && tar -c . | tar -C /mnt/dest -x
# Vers remote server
cd /mnt/source && tar -c . | ssh remote-machine "cd /mnt/dest && tar -x"

Policy-driven snapshot management and replication tools. Using ZFS for underlying next-gen storage. (Btrfs support plans are shelved unless and until btrfs becomes reliable.) Primarily intended for Linux, but BSD use is supported and reasonably frequently tested. http://www.openoid.net/products/