> -----Original Message----- > From: redhat-list-admin@xxxxxxxxxx [mailto:redhat-list-admin@xxxxxxxxxx] > On Behalf Of Martin J. Stumpf > Sent: Tuesday, January 13, 2004 7:28 AM > To: redhat-list@xxxxxxxxxx > Subject: Re: boot hdb? > > Greg, > > Assuming you have both drives in your box and you have just installed > RH9 onto hdb and your goal is as stated which I read to mean that you > want to make hdb the primary installation and boot off of it. > > Option one: Change the boot order in BIOS if possible. (most new BIOS > can do this) > 1. Boot into grub on your current hda and then install grub onto hdb's > mbr. > 2. Go into your BIOS at boot and change the boot order of the hard drives. > 3. Now your old hda will be hdb but at boot, grub should load your RH9 > as expected. > Note: this assumes that your grub.conf if already correct for the new > installation. > > Option two: Dual boot off two hd's > 1. Boot into grub off of hda. > 2. edit the config file <e at the grub screen> such that you can boot > off of hdb. > 3. This might look like: > map (hd1) (hd0) > root (hd1, 2) # assuming that your boot partition is the third > partition > kernel /vmlinuz root=/dev/hda1 > initrd /initrd.img > 4. If this works then permanently edit the /boot/grub/grub.conf file > > HTH, > > -Martin > > > g whitley mott wrote: > > >goal: replace hda (with a bigger drive) > >limits: no floppy, no cd burner > > > >how do i do it? > > > >rh9 is running on hdb. grub boots off hda, of course, so when i replace > >hda, i'll lose my mbr. > > > >i have at hand a set of rh7.2 cd's. but even having booted the rescue > >cd, i don't see how then to boot into my working rh9 partition on hdb. > > > >i can invoke grub while on the rescue cd. it can install an mbr. but > >if i try to set root to (hd1,2), and install an mbr, i just get > >something about wrong cylinder size or some such message when i try to > >boot. > > > >with grub running on the rescue cd, i can load the configfile from my > >rh9 partition on hdb. but it won't let me just go and boot. that's all > >i really want to do. how do i do it? > > > >tia, > >greg > > > > > > > -- > ------------------------------------------------------------------------ > Martin J. Stumpf > Division of Medical Imaging Physics, Department of Radiology > Johns Hopkins University School of Medicine > 601 North Caroline Street / JHOC 4230 > Baltimore, Maryland 21287-0855 USA > Voice: (410) 614-0115 Fax: (410) 614-9979 > > Actually it is very simple. Don't worry about temporarily losing your mbr. Install whatever on had as normal with it's boot, which will create a mbr. Use the boot disk that you are going to create before starting this process and to boot and reinstall grub on had and guess what you will be where you started. -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
