On 21 Jun 2007, Neil Brown stated: > I have that - apparently naive - idea that drives use strong checksum, > and will never return bad data, only good data or an error. If this > isn't right, then it would really help to understand what the cause of > other failures are before working out how to handle them.... Look at the section `Disks and errors' in Val Henson's excellent report on last year's filesystems workshop: <http://lwn.net/Articles/190223/>. Most of the error modes given there lead to valid checksums and wrong data... (while you're there, read the first part too :) ) -- `... in the sense that dragons logically follow evolution so they would be able to wield metal.' --- Kenneth Eng's colourless green ideas sleep furiously - 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