Today I got a message from my Mac Time Machine that it couldn't verify my backup, and wanted to start over. Since all is working fine on my computer right now, no big deal, right?
Well, no big deal, comparatively. I lose all the versions of all my documents and files, dating back many many months. Not a killer, I guess. But what if something goes wrong (or is wrong but I don't know it yet) while that new backup is being made? If my hard drive dies or my computer crashes bef