After I had my Fedora 24 upgraded to 25 on my desktop, ZFS no longer worked. I tried to remove
zfs package and reinstalled; it didn’t work.
Here’s how I got it working after trying many things. There could be a different way to fix it, though.
Let’s check the version of the kernel:
spl, zfs are already installed:
Load zfs module:
Voilla, I got ZFS working again.