Date: Thu, 18 Apr 2002 23:40:22 -0500 From: Mike Meyer <mwm-dated-1019623222.d610de@mired.org> To: Peter Leftwich <Hostmaster@Video2Video.Com> Cc: Patrick O'Reilly <bsd@perimeter.co.za>, mpd <mpd6334@cs.rit.edu>, FreeBSD Questions <FreeBSD-Questions@FreeBSD.Org> Subject: Re: MBR, mfsroot.flp, handbook, and list fail me.. FRUSTRATION!!!!! Message-ID: <15551.40886.583787.975543@guru.mired.org> In-Reply-To: <20020418220655.S96175-100000@earl-grey.cloud9.net> References: <15550.23759.751462.189341@guru.mired.org> <20020418220655.S96175-100000@earl-grey.cloud9.net>
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In <20020418220655.S96175-100000@earl-grey.cloud9.net>, Peter Leftwich <Hostmaster@Video2Video.Com> typed: > On Thu, 18 Apr 2002, Mike Meyer wrote: > > In <20020411200205.B76458-100000@earl-grey.cloud9.net>, Peter Leftwich <Hostmaster@Video2Video.Com> typed: > > > Can a command similar to 'boot0cfg -B ad0' be issued effectively while logged in regularly to the box, as root, or must I boot to a floppy? > > You have to be root. > You answered one part of a two-part question. Can I be logged in regularly > as root, or must I boot up to a floppy or CDROM to repair the MBR to my liking? This has already been answered once on this thread, and the question you gave me had two choices: logged in regularly as root, and booted from a floppy. You have to be root. It doesn't matter how you get there. > > > Is there any risk of munging an entire system when tossing around fdisk and bootcfg commands? Do I have to "relabel" slices as bootable in /stand/sysinstall or just use `fdisk -B [device containing Fbsd OS here]` ? > > boot0cfg should be save. If you give the wrong argument to fdisk, you can destroy the partition information. > I don't know what I'm doing, and the instructions for boot0cfg and fdisk > are NOT COMPLETE (the handbook is very lacking in this department too). > When I recently got the boot0cfg command to run, it told me "Device busy." If they aren't complete, please tell us what's missing so we can fix them. Better yet, provide the patches yourself once you've figured out the answers. > To reiterate what I am trying to do -- My computer has just one HD, but > (among others) the two partitions listed below: > > /dev/ad0s2a on / (ufs, local) > /dev/ad0s1 on /msdos (msdos, local) > > IS there a command to use the standard MBR manager (no F1, F2, etc.. menu) > *and* boot directly, automatically to /dev/ad0s2a but keep /dev/ad0s1 > (/msdos) mountable? THANKS. *sigh* *grumble* fdisk. <mike -- Mike Meyer <mwm@mired.org> http://www.mired.org/home/mwm/ Independent WWW/Perforce/FreeBSD/Unix consultant, email for more information. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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