Jack Byers byersj@hotmail.com aaron konstam responded
There are three things strange about these instructions. they are:
- 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? :-).
---- jack byers response: aaron, tom thanks to both for your responses I agree with tom's first paragraph above, re grub not needing mounted partitions
tom's 2d paragraph above sounds like another response to me. Maybe i didnt make it clear, but in the msg that aaron responded to, I had already reported success on getting my original grub boot menu back which i assume could only happen if indeed i had managed to restore grub to the mbr.
to answer tom's last question, nothing else was clobbered, so it all just worked: my use of tom's instructions, first booting off a knoppix cd, and aided by an initial grub> find /boot/grub/stage1 worked perfectly
Jack
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