Mikkel L. Ellertson wrote: > Frank Millman wrote: > > > > I did a search for '*grub*' on my system. It found a few files. The > > following could be relevant - > > > > 1. /etc/sysconfig/grub > > boot=/dev/sda > > forcelba=0 > > > > 2. /sbin/grub-install > > I ran it, but it asked for an install_device. I prefer not to > > guess, so I did not try any further. > > > > > > For the record, 'ls /boot' looks like this - > > > > config-2.6.27.7-134.fc10.i686 > > initrd-2.6.27.7-134.fc10.i686.img > > System.map-2.6.27.7-134.fc10.i686 > > vmlinuz-2.6.27.7-134.fc10.i686 > > > > If I type 'umount /boot', it says '/boot: not mounted'. Is that > > expected? As mentioned in my reply to Paulo, /etc/fstab has > changed. > > It used to contain an entry for /boot, but now it does not. > I am not > > sure when it changed, but I think it was when I selected > > Install/Upgrade on the second machine. I got a warning > message and did > > not proceed, but a couple of things seem to have changed after that. > > > OK - this makes things interesting. Grub know where to find > the /boot partition, but booting in the rescue mode does not find it. > (It uses /etc/fstab to mount your other partitions.) The > reason you have files in /boot is because they were written > there when it was not being used as a mount point. If you get > the /boot partition mounted on /boot, you will no longer see them. > > I suspect that what you need to do is add the > > UUID=b6c62c5a-0afb-4258-a726-6a377a6f3b9e /boot ext3 defaults 1 2 > > line back into /etc/fstab, and then "mount /boot". > > If that works, then you will want to unmount it again, and > copy the file that will be there to a temporary location, > remount /boot, and copy them back. After that, you should be > able to move the drive to the second machine, boot from the > rescue disk, and have the full /boot tree. You can then build > the initrd and make the changes in the Grub menu we talked about. > BRILLIANT! Thank you, Mikkel. I followed your instructions, and it worked exactly as you predicted. There were a couple of minor hurdles to overcome. I will document them here in case anyone else tries the same thing. I had to make the following changes to /etc/grub.conf - Before - timeout=0 hiddenmenu After - timeout=10 #hiddenmenu Then I could see the menu and select the alternative boot image. After moving the hard drive to the second machine and booting in rescue mode, /boot is *not* mounted. You have to type 'mount /boot' first. Otherwise mkinitrd writes the new image to the unmounted /boot point, and it will not be detected on a reboot. Rebooting on the new machine appeared to hang, but then I realised it was because the onboard graphics card is different. Luckily I could type Alt+F2 and get a text login screen, change /etc/inittab default from 5 to 3, and reboot in text mode. Then I could configure X. When booting the new machine, 'Starting udev' takes about 40 seconds. On the original machine it takes 5 seconds. I don't know if there is anything one can do about that. I have now moved the drive back to the original machine, so I did not test it thoroughly in the second machine, but as far as I could tell everything was working fine. Thank you very much indeed for all the assistance. Regards Frank -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
