On 07/26/2016 05:10 PM, Phil Turmel wrote: > You won't be able to re-add sdd because as Chris said, "fixing" the > primary GPT broke mdadm's superblock. After zeroing the beginning 4k of > sdd, --add it to your array and let it rebuild. > > Phil Thanks Phil, what's the quickest way to zero the 4k, something like # dd of=/dev/sdd if=/dev/zero bs=1 count=4096 ?? -- David C. Rankin, J.D.,P.E. -- 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