Some of the best knowledge about ZFS doesn't make it into the official documentation. That's where experience, deep dives, and the occasional war story come in. Tune into this special session featuring Allan Jude and Michael W. Lucas, two of the most recognizable names in the ZFS world. They share insights you won't find in the man pages — from practical tuning, to gotchas in production, to why certain design decisions were made the way they were. What You’ll Learn: Hard-won lessons from running ZFS in production at scale Tuning advice and operational practices that never make the docs How ZFS thinking has evolved across versions Insider stories and perspectives from decades of experience Timestamps: 00:00 – 01:42 | Introduction & Webinar Overview 01:43 – 08:47 | Hard-Won Lessons: Label Everything 08:48 – 18:57 | Michael's Tips 18:58 – 30:01 | Best Practices: Consistency, Documentation & Delegation 30:04–32:01 | Checkpoints 32:14–33:02 | Root Dataset 33:04–34:24 | Klara’s ZFS Base Camp 34:30–36:55 | Compression Improvements 37:21–39:30 | ZFS Prefetch System Improvements 39:30–42:14 | Dedup Isn't terrible anymore 42:14–48:26 | Insider Stories 48:34–52:11 | The Common Answer Is Not Always the Best Answer 52:50–54:40 | Final Notes