# apt-get install mdadm
# mdadm –create /dev/md0 –level=1 –raid-devices=2 /dev/sdb /dev/sdc
# mkfs.ext4 /dev/md0
# blkid
copy md0 UUID
# vi /etc/fstab
[UUID] /home ext4 noatime,rw 0 0
# apt-get install mdadm
# mdadm –create /dev/md0 –level=1 –raid-devices=2 /dev/sdb /dev/sdc
# mkfs.ext4 /dev/md0
# blkid
copy md0 UUID
# vi /etc/fstab
[UUID] /home ext4 noatime,rw 0 0