Ubuntu
grub2 package

  1. Bug #527401
  2. Comment #43

Comment 43 for bug 527401

Revision history for this message
ceg (ceg) wrote :

The installer fails if there are already superblocks on your disks.

They get set (partly) assembled and the installer is not capable of showing or handling these.

Try writing zeros to your disk or mdadm --stop and --zero-superblock from another console.