The article discusses how to build reliable, cost-efficient storage using ZFS and commodity hardware. It highlights that ZFS shifts the focus from hardware to software, providing strong data protection and enterprise-grade performance. Key points include the benefits of ZFS features like end-to-end checksumming, self-healing, and snapshots, which ensure data integrity and availability. The article also emphasizes the cost savings and flexibility of using commodity hardware with ZFS, as opposed to expensive, vendor-certified hardware. Additionally, it provides best practices for building dependable storage systems, such as deploying ECC memory, architecting for redundancy, and actively monitoring disk health.