well this discussion is very nice... but let´s get back to our problem? we can have data integrity with high cost (for some guys it´s high for others it doesn´t matter), using 'especial' hardware... what we can do to get integrity higher with a low cost hardware? any software solution could gime more data integrity with more CRC or other method of error check? could we develop it at block device level (md device)? i think that´s the point -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html