Pool degraded after update from 24.10.2.1 to 25.04.0

[winnielinnie]

Here is another one, @etorix.

TrueNAS Scale 25.04.0 Upgrade disaster

Hi all! I am new here and know just enough about TrueNAS to be dangerous… I set up my NAS a little less than 2 years ago and it’s been running great. The other day I decided to go ahead and upgrade to the latest version of TrueNAS 25.04.0. I was running 23.10.2 and upgraded in a few steps instead of just all at once. The problem was, I did not check everything between upgrades so I have no idea when the problem occurred. Once 25.04.0 was running, I noticed I could not access any of my shar…