@Charles Ok, I thought you could cause it whenever you want. I agree with you that it seems to be a function of the amount of file IO. Unfortunately I could not reproduce when I tried to generate a lot of read and write. But my files get corrupted after 15-20 days. I am now testing the same disk (Intel SSD) in another notebook (also with up to date Ubuntu 12.04) just to make sure it is not related to a hardware problem with another component like motherboard for example.
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