Re: Howto fix grub after converting to reiserfs
On Wed, Jul 26, 2006 at 11:48:07 +0100, marc wrote:
> Matthew Dawson said...
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> > On Tuesday 11 July 2006 17:03, marc wrote:
> > > Hi,
> > >
> > > I have a little problem :-o
> > >
> > > Machine has Windows on sda2 vfat, which is the MBR. (sda1 is not used),
> > > Linux on sda3, sda4 contains sda5 swap, sda6 ext Linux, sda7 is vfat
> > > shared space.
> > >
> > > Here's the story, so far
> > >
> > > - moved Linux (on sda3) to a safe place while booted on another
> > > partition (sda6)
> > > - formatted sda3 as reiserfs
> > > - amended both fstabs (sda3 and sda6)
> > > - mounted the newly formatted sda3 partition
> > > - moved the data back onto sda3
> > > - rebooted.
> > >
> > > Grub currently loads from /boot on sda3, or rather it doesn't now. I'm
> > > getting an error 17 : Cannot mount selected partition. I'm not overly
> > > surprised, but I'm not sure what to do next.
> > >
> > > I can mount the partition from a live CD without a problem, and I
> > > obviously mounted it from my sda6 partition.
> > >
> > > Suggestions welcomed.
> >
> > It would seem that grub only embeded support for ext2, which is what it should
> > do because the partition was ext (it uses ext2 support for both ext3 and
> > ext2). What you have to do is embed the reiserfs support.
> > Try mounting the all the partitions as normal from a livecd, then chrooting
> > into it and running update-grub. That should fix the problem.
>
> Just got back to this. Nope, update-grub only "updated" menu.lst, no
> changes to the initrd.
sudo dpkg-reconfigure linux-image-....
should rebuild your initrd. (For older kernels it is "kernel-image"
instead of "linux-image".)
If that does not work in the chroot environment then you can call
mkinitrd or mkinitrd.yaird directly.
--
Regards,
Florian
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