I have a home server that I’m using and hosting files on it. I’m worried about it breaking and loosing access to the files. So what method do you use to backup everything?
I'm not sure how you understand the 3-2-1 rule given how you explained it, even though you're stating the right stuff (I'm confused about your numbered list..) so just for reference for people reading that, it means that your backups need to be on: