Install Arch Linux on Raid0 with GPT and Grub 2 First start by downloading the iso. dd it onto usb stick boot iso then start by setting up internet connection test it : ping www.google.com Load the appropriate RAID (e.g. raid0 , raid1 , raid5 , raid6 , raid10 ) modules. We will use raid0, and raid1 modprobe raid0 modprobe raid1 Prepare Hard Drives Each drive will have 100Mb for /boot these will be in raid1 for safety The / partition takes the remainder of the drive install gdisk for formatting in GPT pacman-db-upgrade pacman -Syy pacman -S gptfdisk gdisk /dev/sda Add a new partition: n Select the default partition number: Enter Use the default for the first sector: Enter For sda1 type the appropriate size in MB (i.e. +100MB and +2048M ). Select BIOS BOOT PARTITION as the partition type: ef02 !!!very important Write the table to disk and exit: w Repeat for the second partition on /dev/sda but for step 4 just press ENTER...