The reason I avoided synology in the past was due to the lack of an ability to automatically detect and repair data corruption. It seems nowadays that their systems with BTRFS can automatically repair data corruption with the checksum. (https://blog.synology.com/how-data-scrubbing-protects-agains...)

Does anyone have any experience with this? Has it correctly caught data corruption for you? How does it compare to scrubbing on ZFS?