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zielmicha | 6 years ago

ZFS-based RAID-5 (called raidz1) doesn't have write hole.

https://blogs.oracle.com/ahl/what-is-raid-z

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vetinari|6 years ago

Because ZFS raidz1 is not raid5, it's even labelled differently. Yes, it is a parity-based raid, but has slightly different semantics.