> mdadm --create /dev/md5 --level=1 --raid-devices=2 /dev/sda4 /dev/sdb4
 > mdadm --detail /dev/md5
 > lvcreate -n lvhome --size 100G vgstore
 > mount /dev/vgstore/lvhome /home/
 > df -h
 > cd /home/
 > vim /etc/fstab
     /dev/mapper/vgstore-lvhome /home ext4 defaults 0 0