Date: Mon, 28 Mar 2011 16:59:48 -0400 From: dieterbsd@engineer.com To: hackers@freebsd.org Subject: Re: multi-boot bootstrap? Message-ID: <8CDBBA235B59E56-11D4-42F9@web-mmc-d02.sysops.aol.com>
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> Now, how are you going to multiboot OpenBSD and NetBSD on a PowerPC=20 machine > from the same hard disk. I didn't say anything about a requirement for booting multiple OSes from the same disk. I said: >> Go through all the disks and look >> for bootable partitions. Extract the GPT partition labels for >> these partitions. Present a menu of choices. There can be multiple disks. (Assuming the hardware supports that.) I haven't worked with PowerPC machines and it has been a very long time since I worked with Sparc. I'm more familiar with Alpha, which would=20 take some hacking to boot more than one OS per disk, but some rocket=20 scientist decided to drop FreeBSD support for Alpha, so I suspect that no one here cares about Alpha. > From what I know, one or the other can only be as > the first entry and it then has to be set from the forth prompt. > So, you will need two disks to boot , saya: OpenBSD, NetBSD, FreeBSD,=20 Linux, > and MacOSX or a combination of these. > > On PPC boxes with OpenFirmware 3.x, you actually need to set the=20 active > partition if you want to boot Linux and/or freebsd from the forth=20 prompt if > both are on the same disk. Can these PPC boxes boot from GPT disks? "active partition" sounds=20 MBRish. Perhaps they can use the "protective MBR" trick?
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