Re: ReiserFS: "Filesystem type unknown"

[Jochen Hoenicke]

On Oct 2, Jim Caley wrote:
> I had grub working with an ext2 partition, but now that I've converted 
> this partition to reiserfs I can't seem to get grub to recognize it.
> I am able to run Linux off the reiserfs partition using a boot floppy.
> 
> I'm working through the "Installing GRUB natively" section of the info 
> doc.  "find" isn't finding the reiserfs partition (/dev/hda8), which 
> *does* have a /boot/grub directory.  FWIW, I put a listing of this dir 
> at the bottom of this message.  Here's what I'm getting in GRUB's 
> command-line interface (it would seem find should be able to locate 
> /boot/grub/stage1 on (hd0,7), but it doesn't):
> 
> grub> root (hd0,7)
>   Filesystem type unknown, partition type 0x83

I think, grub doesn't understand the reiserfs super block.  I don't
have a spare partition to test latest reiserfs, but if you would send
me your reiser super block I can probably see where it fails.

You can extract the super block with dd:

  dd if=/dev/hda8 of=super.dat bs=512 skip=128 count=1

  Jochen