Date: Wed, 19 Oct 2011 14:15:41 -0400 (EDT) From: doug@safeport.com To: freebsd-questions@freebsd.org Subject: Re: multi-boot Message-ID: <alpine.BSF.2.00.1110191415280.31411@oceanpt.safeport.com> In-Reply-To: <44pqhsu9v2.fsf@be-well.ilk.org> References: <alpine.BSF.2.00.1110181751570.78096@oceanpt.safeport.com> <44hb3588my.fsf@lowell-desk.lan> <alpine.BSF.2.00.1110191127550.31411@oceanpt.safeport.com> <44pqhsu9v2.fsf@be-well.ilk.org>
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On Wed, 19 Oct 2011, Lowell Gilbert wrote: > doug@safeport.com writes: > >> On Wed, 19 Oct 2011, Lowell Gilbert wrote: >> >>> doug@safeport.com writes: >>> >>>> I have a system with two physical disks with a version of FreeBSD >>>> installed on each disk. With various 7.x systems I had: >>>> >>>> F1 disk1 on slices ads5x >>>> F5 disk2 on slices ads6x >>>> >>>> I installed 8.2 on disk2, incorrectly saying leave the mbr alone. So >>>> when I boot from the second disk I get >>>> >>>> F6 PXE >>>> Boot: F1 >>>> >>>> I can then hit F1 or wait and all goes okay. I tried using sysinstall >>>> to rewrite the FBSD boot manager but that not effect any change. Must >>>> I rewrite the mbr on disk 1 also? >>> >>> That's what I would expect to have to do... >> >> Pre 8.2 the behavior the selected system just boot without the extra >> message. I had a 7.0 and a 7.4 system installed. I replaced the 7.4 >> system with 8,2 With the boot setup I understand the FreeBSD boot >> manager would be on sector 0 track 0 of disk 1. The boot record for >> disk 1 is in the first logical sector for the drive. The boot record >> for disk 2 should be similarly placed on disk 2. >> >> What I think is missing is putting the boot manager on disk 2. If that >> is the case, is there a way to do that without reinstalling? > > boot0cfg(8) from the system that does boot. > Or boot in "rescue" mode from a CD (or other removable media) > and use sysinstall. thanks _____ Douglas Denault http://www.safeport.com doug@safeport.com Voice: 301-217-9220 Fax: 301-217-9277
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