Best Long Term Backup Situation When Working for Multiple Machines

This is from Mark Kitzley. We've covered this quite a few times before, but right. So I now do YYMMDD. Right. And so, so then all of my files then follow that, that kind of format. Tom: Which one are you going for? Nerd question for Tom. Best long term backup situation when working for multiple machines and file naming slash storing best practices.