Bruno Wolff III wrote:
On Wed, Oct 29, 2008 at 10:14:43 -0500,
Les Mikesell <lesmikesell@xxxxxxxxx> wrote:
It would be _really_ nice if the installer could be re-run in this
situation, offering to fix only the things that needed to be fixed
(re-detect hardware, build a working initrd, install grub, fix your
modprobe.conf and check your fstab and network setup). You can do this
gunk by hand, but it means you have to know as much as anaconda (which
doesn't seem to be all that well documented...) about hardware and
drivers. You can sort-of get most of the effect by making /boot a
I would think you could fix things up with a rescue disk pretty easily.
The rescue kernel will have the needed device drivers and you can chroot
to /mnt/sysimage and then run mkinitrd to fix up the initrd img files.
If the architecure and disk layout is the same this should cover most of
your configuration. Things that are missing are mostly going to be per
user preferences on which dvd drive is the default and the like.
I tried this:
1) Boot F9 LiveCD
2) Press Ctrl-Alt-F1 for text mode login
3) log in as root
4) mkdir /tmp/sysroot
5) mount /dev/sda7 /mnt/sysroot (sda7 = root partition)
6) mount /dev/sda6 /mnt/sysroot/boot (sda6 = boot partition)
7) chroot /mnt/sysroot
8) cd /boot
9) mkdir orig
10) mv initrd* orig
11) mkinitrd -f /boot/initrd-2.6.26.6-79.fc9.i686 2.6.26.6-79.fc9.i686
Note: the following message was spit out after running mkinitrd:
# resolveDevice: device spec expexted
# resolveDevice: device spec expexted
I think that perhaps something is wrong here.... as seen below
when the kernel fails to start with this new initrd
12) chcon -u system_u initrd-2.6.26.6-79.fc9.i686
13) exit
14) umount /mnt/sysroot/boot
15) umount /mnt/sysroot
16) reboot
On rebooting, then grub starts.
Headers showing grub specific selection for
vmlinuz & initrd and the details are displayed, then
Decompressing Linux... Parsing ELF... done.
Booting the Kernel.
Redhat nash version 6.0.52 starting
Mount: error mounting /dev/root on /sysroot as ext3: No such file or
directory
setuproot: moving /dev failed: No such file or directory
setuproot: moving /proc failed: No such file or directory
setuproot: moving /sys failed: No such file or directory
Mount failed for selinixfs on /selinix: No such file or directory
switchroot: mount failed: No such file or directory
I next went back and restored the original initrd and it booted fine
as before I created new mkinitrd, although the hardware devices are
still wrong (sound, for example).
So... what's next?
Dan
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