Have been meaning to play around with it, looks like a great set of tools.
nix-bitcoin lets you configure streaming replication to either a second drive or to a remote server https://github.com/fort-nix/nix-bitcoin
Discussion
I’ve been quite happy.
Initial install and config requires a small amount of work but after that incremental changes are a changes to the configuration file and a deploy.
With the peace of mind that if something does not work you can always revert the change and re-deploy .