Checksums Won: Btrfs, bcachefs, OpenZFS, XFS, NTFS and ReFS in Late 2026

Written By
PD
Paulo Dias
Oct 6, 2026

A September 2026 comparison of Btrfs, bcachefs, OpenZFS, XFS, NTFS and ReFS, backed by new real-hardware results from modern-fs-benchmark. Every checksumming filesystem survived injected corruption, while XFS and ext4 on plain RAID silently returned bad data. The article also covers the tradeoffs that remain: snapshot costs, latency under load, tuning traps and licensing. It ends with pros, cons and picks by use case.

PD

Paulo Dias

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