[CentOS] recommendations for copying large filesystems

I need to copy over 100TB of data from one server to another via network.
What is the best option to do this? I am planning to use rsync but is there
a better tool or better way of doing this?

For example, I plan on doing
rsync -azv /largefs /targetfs

/targetfs is a NFS mounted filesystem.

Any thoughts?

TIA
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