Grub

Normal grub install

(root@server) # grub

    GNU GRUB version 0.97 (640K lower / 3072K upper memory)

  [ Minimal BASH-like line editing is supported. For the first word, TAB
    lists possible command completions. Anywhere else TAB lists the possible
    completions of a device/filename.]

grub> find /grub/stage1 #Find the partitions which contain the stage1 boot loader file.
 (hd0,0)
 (hd1,0)

grub> root (hd0,0) #Specify the partition whose filesystem contains the "/grub " directory.
grub> setup (hd0) #Install the boot loader code.
grub> quit

Software Raid 1

(root@server) # grub

    GNU GRUB version 0.97 (640K lower / 3072K upper memory)

  [ Minimal BASH-like line editing is supported. For the first word, TAB
    lists possible command completions. Anywhere else TAB lists the possible
    completions of a device/filename.]

grub> find /grub/stage1
 (hd0,0)
 (hd1,0)

grub> device (hd0) /dev/sdb #Tell grub to assume that "(hd0)" will be "/dev/sdb" at the time the machine boots from the image it's installing.

grub> root (hd0,0)
grub> setup (hd0)
grub> quit

Check if installed on disk

dd bs=512 count=1 if=/dev/sdX 2>/dev/null | strings |grep GRUB