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I would just use ZFS snapshots and replication. They're read-only, and they only use as much space as the difference between the current state and the snapshot.

I would just use ZFS snapshots and replication. They're read-only, and they only use as much space as the difference between the current state and the snapshot. Plus, you'll have solid data integrity instead of relying on buggy firmware in your RAID controller.

tracker1 7y ago
And there's no way to compress/eliminate snapshots? Also, redundancy and snapshots are not a backup.