xiongzige wrote: >Unfortunately I can not understand the algorithm of P +Q parity in >this program . Is this some formula for this raid6 algorithm? I realy >respect your help,could you show me some details about this algorithm? I saw a few links a while back in the list: http://www.issociate.de/board/post/243808/RAID6_Query.html Regards, Henrik Holst - 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