Replacing A Failed Hard Drive In A Software RAID1 Array This guide shows how to remove a failed hard drive from a Linux RAID1 array
mdadm –fail /dev/md0 /dev/sda1 mdadm –remove /dev/md0 /dev/sda1 mdadm –manage –stop /dev/md0 That totally removed md0 from the array Installing mdadm on Linux The tool