On Thu, Nov 10, 2011 at 11:04 AM, Chris Purves <chris@xxxxxxxxxxxx> wrote: > I can bring the array back up in degraded mode by running mdadm --assemble --force /dev/md1; however, I have been unable to build the fifth disk. I would appreciate any help. The best way to proceed would be with the array down, you can ddrescue the semi-good disk to a new good disk, then start the array and recover by adding a new disk to the array. -- 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