OS Debian GNU/Linux 5 RAID Card Adaptec ASR2100S with Raid 5 Problem Installation failed message will show while installing Grub as boot loader. Solution Do not stop your installation!! And try following steps to install boot loader during installation: Enter another console with short cut: alt + Fn Press enter to enable console > chroot /target > aptitude update packages db install grub exit aptitude > /usr/sbin/grub-install /dev/i2o/hda > update-grub > exit continue to finish others steps with "continue without boot loader" option If its failed after above steps, that might be some steps wrong while you processing it. Don't worry! You will see Grub prompt after reboot, and try following steps: grub> root (hd0,0) grub> setup (hd0) <-- If you did not install grub correctly at last time, you have to do it grub> kernel /vmlinuz root=/dev/i2o/hda1 ro grub> initrd /initrd.img grub> boot Then, you will boot into your system now. Caution!! I