On 07/22/2010 11:23 PM, Lennart Sorensen wrote: > I am trying to use grub2 to boot an IBM p520 power6 box. I know yaboot > can do the job, but it doesn't deal with software raid, ext4, LVM or > anything else useful. > > I have managed to get as far as booting to a grub prompt from disk. > Unfortunately it doesn't appear to be seeing any disks at that point. > > The way I got it this far was to create an 8MB (smallest cfdisk would > make) PReP boot partition, and then run grub-mkimage -n -o /tmp/grub -O > powerpc-ieee1275 *.mod in the ieee1275 grub directory. I then dd'd > /tmp/grub to /dev/sda1 (the PReP boot partition). > > You need to add -p "<your /boot/grub in grub notation>". Also avoid the raid and lvm-related modules you don't need. OFW exposes ghost devices so assembling raids which involves looking at all devices is slow > At boot, the firmware loads the partition and runs it and after a few > seconds I get a grub prompt. > > I know I don't need all the modules, but starting with all of them > seemed simpler. > > So is this supposed to work, or is there still some ofpath handling > or other things that have to be fixed before grub2 can detect disks on > this machine? If so, I will try to do it, but some hints would be handy. > It certainly looks very close to working. > > Thanks. > >
-- Regards Vladimir 'φ-coder/phcoder' Serbinenko
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