On Tue, Sep 18, 2007 at 02:49:52PM -0700, Lan Barnes wrote:
> 
> On Tue, September 18, 2007 2:43 pm, John Oliver wrote:
> > I'm working on virtualizing an old Red Hat 7.3 box.  I replicated the
> > contents of the physical machine to the virtual disk, built a kernel
> > with the right drivers, and can boot the virtual machine.  But I get:
> >
> > (Repair filesystem) 1 # fsck /dev/sda1
> > fsck 1.27 (8-Mar-2002)
> > e2fsck 1.27 (8-Mar-2002)
> > fsck.ext3: No such file or directory while trying to open /dev/sda1
> >
> > The superblock could not be read or does not describe a correct ext2
> > filesystem.  If the device is valid and it really contains an ext2
> > filesystem (and not swap or ufs or something else), then the superblock
> > is corrupt, and you might try running e2fsck with an alternate
> > superblock:
> >     e2fsck -b 8193 <device>
> >
> >
> > dumpe2fs says:
> >
> > dumpe2fs 1.32 (09-Nov-2002)
> > dumpe2fs: No such file or directory while trying to open /dev/sda1
> > Couldn't find valid filesystem superblock.
> >
> >
> > If I look at the virtual disk from a Ubuntu LiveCD, it's fine... fsck
> > reports no problems.  The filesystem is ext3, I can mount the virtual
> > disk, chroot into it, edit files, do whatever.
> >
> > Ideas?
> >
> 
> Have you tried taking it at its word and fixing the superblock? I had to
> puzzle through it last night on a FC6 physical drive. IIRC, I used
> 
>   mke2fs -n /dev/hda1
> 
> to get a list of alternate superblock locations (PLEASE do NOT leave out
> the "-n"!), and then had to manually run
> 
>   fsck -y -b <alt superblock> /dev/hda1

Tried that.  It gives the exact same error when I specify an alternate
superblock.

But since the filesystem is just fine under the LiveCD, there has to be
something else going on.

-- 
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* John Oliver                             http://www.john-oliver.net/ *
*                                                                     *
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