You can scrub but not repair, ZFS will tell you of corruption but not be able to repair. You can also set copies blocks/data (copies=2) which stores two copies

You can scrub but not repair, ZFS will tell you of corruption but not be able to repair. You can also set copies blocks/data (copies=2) which stores two copies on one drive, allowing you to repair. Doesn't cover you for drive failures but can for bitflips. And you'd get half the storage.