I use borg for backups and rsync to copy the files from my servers to my workstation so that I can back them up.
One issue with using rsync as a "backup" solution is that you get a copy of what is currently on the server. If you have to go back even just a week, much less several months, to get some specific version of a file from months before, you can't do that with rsync. And if your office gets hit by thieves or a fire or a tornado or some other disaster, it is very helpful to have a backup that is not located at the office. If all your "backups" are stored in the office, you are going to have to start over. My preferred approach is to keep a yearly backup and two or three monthly backup at another location miles away from the office. A large safety deposit box would be great. In my area, I don't know of any banks within 50 miles that offer safety deposit boxes, so I store monthly and yearly backups in a waterproof box in the house on the farm 20 miles away. I also periodically copy my daily backups to ProtonDrive. I keep daily, weekly, and monthly backups. The daily backups cover my most important files, my weekly backups cover the daily backups plus a number of files of lesser importance, and my monthly backups include daily and weekly backups and files that are rarely, if ever, modified. Yearly backups are just a repurposed copy of a monthly backup. Of course, since these are done with borg backup, each backup contains copies of everything stored in them back to the last time I initialized them. Eric
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