Installing RAID level 1 on 2 IDE drives with Slackware
(This is from The Software-RAID HOWTO by Jakob Østergaard and Emilio Bueso.)
raiddev /dev/md0
raid-level 1
nr-raid-disks 2
chunk-size 32
persistent-superblock 1
device /dev/hda2
raid-disk 0
device /dev/hdc1
raid-disk 1
mkraid /dev/md0
cat /proc/mdstat
mkfs -t ext2 /dev/md0
raidstop /dev/md0
/dev/md0 /home ext2 defaults 1 2