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by raron 75 days ago
I think you could use dm-integrity over the raw disks to have checksums and protect against bitrot then you can use mdraid to make a RAID1/5/6 of the virtual blockdevs presented by dm-integrity.

I suspect this is still vulnerable to the write hole problem.

You can add LVM to get snapshots, but this still not an end-to-end copy-on-write solution that btrfs and ZFS should provide.