>Actually I don't think this is right.  Hardware RAID does crc on the data,
>so corruption is almost impossible, the RAID would drop the bad drive off if
>it started returning errors.   Of course this is moo as joey says if he is
>doing soft RAID.  So the question is...hard or soft?

You are still talking "hard" errors, not "soft" errors. The "soft" error 
will have a perfectly fine CRC, but its payload will be poison.

CRC is like spell chacking a paragraph that has no misspellings, but is 
full of grammar errors .


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