Replacing a (silently) failing disk in a ZFS pool
Maybe I can’t read, but I have the feeling that official documentations explain every single corner case for a given tool, except the one you will actually need. My today’s struggle: replacing a disk within a FreeBSD ZFS pool.
What? there’s a shitton of docs on this topic! Are you stupid?
I don’t know, maybe. Yet none covered the process in a simple, straight and complete manner. Here’s the story:
Since yesterday I felt my personal FreeBSD NAS was sluggish, and this morning, I saw those horrible messages popping in my syslog console: