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The short answer is BTRFS, ZFS, and XFS pretty much have feature parity these days. However, I am partial to ZFS as it is by far the most mature and widely installed. I have never lost a bit of data due to data rot in any of my ZFS deployments.

Word of advice, stay away from parity bits. Mirrors are supreme. Stripe the mirrors (RAID10) for the level of performance needed.

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I suppose BRTFS, ZFS, and XFS have feature parity in the sense that both are filesystems which work on Linux, but without checksumming to detect silent data corruption, to me XFS doesn't seem like it's in the same league as BTRFS and ZFS (and HAMMER(2) and Bcachefs).

I would normally go for raid 1 or 10, but the disks are of very different sizes. Range 300gb 15+-yr-old hdds to 2tb newer ones to 500gb ssds. Makes it hard to do proper mirroring, and too broke to buy new stuff.

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