On Monday December 20, leonw@xxxxxxxxxxx wrote: > Hello, > > I would like to re-issue my earlier question: > > Given the LBA (bad) block number of a disk drive, or the block number > of a partition, how can I tell which block on the /dev/mdX device > corresponds with it? There is no easy answer. You need to understand the layout of the array, and do some arithmetic. NeilBrown - 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