Subject: Re: Multi-Boot RS/6000 Boxes.
rodgersg@us.ibm.com
Date: Thu Oct 05 2000 - 08:07:17 MDT
Tom Gall wrote
>Hi Donald,
>
> Your best bet will be some upcoming changes to yaboot. We're just about
to
>release some update for RS/6000 hardware and PowerPC Linux. We want this
to work
>just as much as you do!
>
> Regards,
>
> Tom
Don,
I have also been looking into dual booting AIX and Linux. This way the
IBM service team can run AIX-based hardware diagnostics on a Linux box.
I have successfully put AIX on /dev/sda and Linux on /dev/sdb. The
/dev/sdb
drive has partitions (yaboot, root, and paging) using the patched yaboot
from
Tom's team. I tried to bring the AIX kernel into the Linux root /boot for
yaboot to load AIX but yaboot says it is not a valid ELF format. Yaboot
needs
more work to be able to boot AIX. Any voluteers? So, I set up the
firmware
parameter to default boot Linux (yaboot) as follows.
setenv boot-device /pci@fef00000/scsi@d/sd@1:1
My scsi disks are labeled 0 and 1. Yours may likely be different. Check
your OF messages as the drives spin up. Now, if an IBM Service Engineer
wants
to boot AIX, I give him instructions to get to the OF prompt and boot AIX
with
the following command,
boot /pci@fef00000/scsi@d/sd@0:2
Again, check your scsi disk ids.
Good luck,
Greg Rodgers
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