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letsencrypt / openzfs-nvme-databases

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Why not mdraid #6

Closed edo1 closed 3 years ago

edo1 commented 3 years ago

Thanks for sharing, this information is VERY interesting.

Could you please explain why you preferred OpenZFS to mdraid? Have you made a performance comparison?

jprenken commented 3 years ago

Thanks! No, we didn't do a head-to-head comparison with mdraid: we were pretty sure we wanted to start with ZFS' broader feature set, especially snapshotting and tiered caching. We haven't had a chance to experiment with caching yet, but have had much better luck with the performance and flexibility of ZFS' snapshots vs. LVM's.