On Fri, 6 Aug 2004, Salyzyn, Mark wrote: > Just reading the entire array should correct the bad blocks, so reverse > the sense of the dd: > > dd if=/dev/md0 of=/dev/null bs=200b > > to find and replace the bad blocks (making the assumption that md works > like the H/W RAID cards). In this case software RAID does not work like the H/W cards. Finding an unreadable block that way in a software array would cause it to go into a degraded state. -Kanoa - 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