Interesting links to create raid-1 on ubuntu:
https://www.howtoforge.com/how-to-set-up-software-raid1-on-a-running-system-incl-grub2-configuration-ubuntu-10.04
HW Raid 1 on ubuntu 14.04:
http://askubuntu.com/questions/455511/dual-boot-ubuntu-14-04-and-windows-7-on-fakeraid-installation-error-question-m
View partitions wit id number bolcks:
# blkid