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A thread on why I use #ZFS. Each toot is one reason.

1/ Protection against Silent Data Corruption - data corruption that is not detected by any other component of the system. ZFS checksums or hashes every bit of data in the filesystem, data or metadata, and you can schedule a prediodic scan ("scrub") to see if all data is intact. On RAID setups, ZFS will automatically correct it for you. I've witnessed the value of this, particularly on petabyte-scale installations. https://en.wikipedia.org/wiki/Data_corruption#Silent