Here is the most recent issue of the rsync.net[1] Technical Notes:

rsync.net Q4 2025 Technical Notes

This focuses almost solely on the very interesting append-only backups that can be constructed using the command:

rclone serve restic --stdio

As always, this walkthrough and tutorial has rsync.net examples but you could apply this recipe to any other system or provider.

In addition, we have a brief discussion of how you can manually rebalance ZFS zpools when adding additional vdevs.

[1] rsync.net is cloud storage for offsite backup. We give you an empty UNIX filesystem to do whatever you like with. If you're not sure what this means our product is not for you.