Why RAID-Z isn’t appropriate for me (or for almost any home user)
So, ZFS is cool. OpenSolaris derivatives are cool. RAID-Z is cool. But it lacks one simple feature that other software RAID solutions handle – the ability to grow a volume by increasing the stripe size. For instance, let’s just postulate that you have 3 2TB hard disks in a RAID-5, and you want to add 2 more to make a 5-disk volume. Well, with ZFS, you have 2 options: Back up everything on the current volume, destroy it, and create a [...]

