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Will NAS data become corrupted if stored for a long time? The first time I went to wash the dishes, I found 3 bad blocks and 2 were repaired on the spot.
Photos that have been stored for two or three years are inexplicably blurry, but SMART is all green? The first time I ran data verification (disk washing) on the NAS, I found 3 bad blocks overnight. Bit attenuation is not a metaphysics. The scrub of Btrfs can be checked and repaired, but ext4 can only rely on local methods. How often to run, how to read the two columns of numbers in the report, and what to do if it cannot be repaired, this article will explain it all at once. ...
