If it's all for self-entertainment or for learning, more power to the elbow of the experimenter. If it's for a panic-stricken recovery of unbacked-up data (naughty, naughty), it's understandable, even if it is, as Bunsen writes, perhaps overkill. But a one-shot recovery must work first time, and who can say in advance how elaborate that one shot needs to be?

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