Nice job -helpful. I did have a question about:
"ZFS pool & datasets are different enough, that unless you know the basics, you can make some serious mistakes. Some mistakes will require a full backup and restore to remedy. See this helpful guide:"
IIUC this applies to both CORE and SCALE, i.e. it's a ZFS thing? Or Am I missing something. I'm reading because I am deciding if it is safe for me to switch to SCALE.