On Thu, 2006-12-28 at 18:16 +0000, Jack Byers wrote: > > Jack Byers byersj@xxxxxxxxxxx > aaron konstam responded > > >There are three things strange about these instructions. they are: > >1. I am not sure but you are assuming that you can save the MBR on a > >disk without mounting it or giving the system access to the grub.conf in > >the disk. Maybe this will work but it seems strange. > >2. I would expect to have to mount the disk with / and/or /boot on it. > >3. Then I would expect to do chroot /mnt/sysimage > > tom horsley responded to Aaron Konstam > > The resuce mode boot already has copies of grub and other things > in the rescue boot image, and the raw disk devices are there even > if I don't mount them. Grub only needs access to the disk device > to write the MBR, not any mounted partitions. > > These instructions do assume that your original /boot partition > and all the kernel images and grub config files are still there > on whatever (hd0,0) maps too. If they've been clobbered as well, > these instructions won't help much. In that case you'll need to mount > the disks and restore them from back (you do have backups, > right? :-). > Ok, I am just being picky. What you are saying is ok as long as: 1. The rescue disk is for the same version of FC as the system whose MBR you are updating. 2. The system on hd0 has not had its grub updated in any way. In most cases that will be true but for many of us who grab the first rescue disk we have available you instructions will get you in trouble. -- ======================================================================= Be it our wealth, our jobs, or even our homes; nothing is safe while the legislature is in session. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
