How ZFS RAID-Z Expansion Adds Disks Without Rewriting Blocks

FreeBSD · Talk · 36 min · 2021 · YouTube title: June 2021 FreeBSD Developer Summit: Raid-Z Expansion

Why it's here

HN points to it as the video explanation of how RAID-Z expansion works without block pointer rewrite.

What it covers

Matt Ahrens presents the FreeBSD Foundation sponsored RAID-Z Expansion project for ZFS at the June 2021 FreeBSD Developer Summit. It explains how a RAID-Z vdev can be grown by adding disks on the fly.