Announcing XRAID: declustered parity RAID for zoned XFS

Christoph Hellwig has announced the initial public release of XRAID—declustered parity RAID that is integrated into XFS. The two primary aims of XRAID are to support parity RAID on zoned devices like SMR hard drives, and to provide a fast RAID implementation without inherent data integrity problems. XRAID, just like zoned XFS also works on conventional hard drives and SSDs. Optimizing for SSD performance has not been a focus, but even without that, writes are up to 20 times faster…

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