Date: Mon, 8 Feb 2010 10:25:54 -0600 From: Peter Steele <psteele@maxiscale.com> To: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: How can I force boot from alternate drive with boot.config? Message-ID: <7B9397B189EB6E46A5EE7B4C8A4BB7CB383B2699@MBX03.exg5.exghost.com>
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I've asked this on the -questions list but haven't had any feedback. I have= a system configured with multiple identical drives each loaded with FreeBS= D. When I was using MBR partitioning, I could create a boot.config to force= the system to boot from a specific drive. For example, if I wanted to boot= from the second drive, I'd create a boot.config with: 1:ad(1,a)/boot/loader We've switched to GPT partitioning and I can't seem to find a way to do thi= s same trick. The boot loader only seems to recognize MBR partitions when i= t comes to this feature. I looked at the boot.c source code and there doesn= 't seem to be anything specifically related to GPT partitioning. I cannot f= or example say something like: 1:ad(1,p3)/boot/loader where p3 is the root partition in my GPT partitioned drives. So I'm puzzled= : If I have a two drive system with BSD loaded on both drives and the drive= s are configured with GPT partitions, how can I force the system to boot fr= om the second drive using boot.config?
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