I looked through all of the archives on this list as well as google
searching for help. I want to make sure that GRUB supports installation
on RAID1 (mirror) units. I have seen several methods to do this:
Method 1)
device (hd0) /dev/hde
root (hd0,0)
install /boot/grub/stage1 (hd0,0) /boot/grub/stage2 0x8000
(hd0,0)/boot/grub/menu.lst
install /boot/grub/stage1 d (hd0) /boot/grub/stage2 0x8000
(hd0,0)/boot/grub/menu.lst
device (hd0) /dev/hdg
root (hd0,0)
install /boot/grub/stage1 (hd0,0) /boot/grub/stage2 0x8000
(hd0,0)/boot/grub/menu.lst
install /boot/grub/stage1 d (hd0) /boot/grub/stage2 0x8000
(hd0,0)/boot/grub/menu.lst
...and so on for each device--substituting each additional RAID1 member
drive in the /dev/hdX line.
Method 2)
echo '(hd0) /dev/md0' > /boot/grub/device.map
grub-install '(hd0)'
Method 3)
root (hd0,0)
setup (hd0)
...and so on for each hd# present in the RAID1.
My question is whether the /dev/hdX syntax or /dev/md# or (hd#) syntax
is correct and what the significance of the value 0x8000 for the Stage 2
load address. It certainly seems like method 3 is the cleanest.
And, are any of these methods considered better than the others?
Thanks,
Brett
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