Dear LazyWeb, Yesterday we did a routine disk replacement on a machine with software RAID. It has two mirrored disks, sda and sdb with a RAID 1 partition with software RAID, /dev/md1 mirrored across /dev/sda3 and /dev/sdb3. We took the machine offline and replaced /dev/sda. In netboot recovery mode we set up the partition table … Continue reading Rebuilding Software RAID 1 refused to boot