Re: [opensuse] Root-partition migration ext3 to ext4 Solved



On 21/05/10 09:39, Per Jessen wrote:
Hans de Faber wrote:

Hans should be able to boot into rescue, mount the filesystems,
chroot and then run mkinitrd. I think he might need to
amend /etc/sysconfig/kernel:INITRD_MODULES.



Good morning I am online again.
I think this is the right way to go.
Is there somewhere a example how to do this ?

Probably, but it's not too difficult -

boot a rescue system
run fsck on the filesystems you need (root,boot,usr,whatever)
mount root on /mnt
mount boot on /mnt/boot
mount usr on /mnt/usr
mount var on /mnt/var
(you get the idea).
mount -o bind /proc /mnt/proc
mount -o bind /dev /mnt/dev
mount -o bind /sys /mnt/sys
chroot /mnt
make sure that /etc/sysconfig/kernel:INITRD_MODULES contains 'ext4'
run mkinitrd
update your bootloader (e.g. run lilo)
exit from chroot
umount /mnt/proc /mnt/dev /mnt/sys
umount /mnt/usr /mnt/boot /mnt/var /mnt
reboot

Linux (opensuse) is a very flexible OS you can put everything were you
want and changing is easy. Grub is also very flexible you can boot
always and everything. Except for the hardcoded data in initrd this
kills the flexibility.

This construction looks to me like the sentence "Every color is
beautifull if it is black"

No, there is nothing wrong with the initrd - changing your root
filesystem is not a minor change, it's not realistic to expect it
to 'just work'.


This was the last step in the process.
Without any problem I can now boot my ext4 root.
I don't do this everyday but it was easyer than I thought.
Thanks to everybody.
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