Mdadm
lastmod 2026-11-10created 2016-06-112 edits
mdadm is a command-line tool for creating and managing Linux kernel software RAID (md devices). --create combines multiple disks or partitions into a RAID 0/1/5/6/10 array, and --detail, --assemble, --add, and so on are used to check status and replace disks. Array information can be checked in /proc/mdstat and /etc/mdadm/mdadm.conf; partitions are prepared with fdisk or similar before creating an array.