|
| From: | Lennart Sorensen |
| Subject: | Re: grub2 on power6 box. |
| Date: | Fri, 23 Jul 2010 13:56:34 -0400 |
| User-agent: | Mutt/1.5.18 (2008-05-17) |
On Fri, Jul 23, 2010 at 01:36:08PM -0400, Lennart Sorensen wrote:
> On Fri, Jul 23, 2010 at 07:02:15PM +0200, Vladimir 'φ-coder/phcoder'
> Serbinenko wrote:
> > Right now grub2 lists only aliased devices. You can either alias your
> > disk or directly use:
>
> Unfortunately I think IBM doesn't generate aliases at all. I have no
> idea how to set one (I can't find any documentation on what commands
> are available on IBM's openfirmware).
>
> > prefix=(/address@hidden/pci1014\,address@hidden/sas/address@hidden,4)/
> > I have some code on ls issue but the problem is to reliably determine if 2
> > nodes are really the same device
>
> So that syntax should work?
>
> I tried doing something like:
> ls (/address@hidden/pci1014\,address@hidden/sas/address@hidden,4)/
>
> It didn't like it.
>
> ls (/address@hidden/pci1014\,address@hidden/sas/address@hidden:4)/
>
> didn't work either as far as I recall.
>
> I will keep trying though.
OK, so after setting the devalias I tried booting grub from the PReP boot
partition I dd'd it to. Now I get:
grub> ls (
Possible devices are:
md0 md1 hd
grub> ls (
Possible devices are:
md0 md1 hd
grub> ls (hd,
Possible partitions are:
Partition hd,msdos1: Unknown filesystem
Partition hd,msdos2: Filesystem type ext2 - Label "ROOT" - Last
modification time
2010-07-23 16:19:51 Friday, UUID 43073e86-01fb-4371-8598-863fbd0beddf
Partition hd,msdos3: Unknown filesystem
Partition hd,msdos4: Filesystem type fat, UUID 4183-cb50
grub> ls (hd,msdos
Possible partitions are:
Partition hd,msdos1: Unknown filesystem
Partition hd,msdos2: Filesystem type ext2 - Label "ROOT" - Last
modification time
2010-07-23 16:19:51 Friday, UUID 43073e86-01fb-4371-8598-863fbd0beddf
Partition hd,msdos3: Unknown filesystem
Partition hd,msdos4: Filesystem type fat, UUID 4183-cb50
grub> ls (hd,msdos
Now we are getting somewhere. So it seems even with a fat12 partition,
the open firmware on the IBM box still won't boot from a file.
Unfortunately on reboot, my devalias is gone. How do I make it remember it?
--
Len Sorensen
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