On Tue, Mar 01, 2011 at 02:59:00PM +0100, Adrian Zaugg wrote:
> Hello
>
> I have partitioned my boot disk in a IBM Power 740 Express with cfdisk
> (msdos disk labels) to have a PReP bootpartition first and a Linux
> partition behind it. The system doesn't recognize this disk as a boot
> disk, although I have activated it.
>
> Some questions do arise:
> - Can I use PC disklabels on the boot disk?
Yes.
> - Is it correct to write yaboot to the PReP boot partition with no
> filesystem?
Yes.
> - Does yaboot support ext4 for the Linux partition?
I think so. However, I've had success with one machine
and not with another, but it might be that I forgot
to ugrade yaboot, but I also ditinctly remember that
on the working one I forced the huge_file option off
(I know that this partition will never be over 2TB).
However, I also remember yaboot having problems with
ext3 a long time ago when journaling was recent.
The really safe bet is to have a small (what's a couple hundred
MB this day) ext2 partition mounted at /boot with the
kernels (and possibly the initrd). But it may be overkill.
> - What do I have to do that IBM SMS recognizes my disk as a bootable media?
No idea.
Regards,
Gabriel
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