aliasaid
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Well, the is risk is no higher than if you just have one HDD then.
Not quite.
If the probability of an HD failing is 1%; then the probability of one of two HDs failing is 1 + 1 = 2%. The probability of both HDs failing simultaneously is 0.01% (which isn't important here). So yea, there is a higher chance of losing your data: 2% raid 0 vs. 1% for a single drive. I arbitrarily chose 1% since i don't really know what the probability of an HD failing is...