grub & lvm: [...] does not have any corresponding BIOS d

[^rooker]

[PROBLEM]
Installing ubuntu onto a disk under LVM control, installing GRUB terminated with an error. The installer did not show any errormessage except something like "this is serious. I quit" - (at approximately 98% of the installation. ):

[SOLUTION]
Still within the live installation, I chroot'ed into the installation to find out what happened:

Code: Select all

sudo chroot /target

There I ran "grub-install /dev/sda" which gave me this error

/dev/mapper/xxx-root does not have any corresponding BIOS drive.

I figured out that it probably was my fault: During manual partitioning, I forgot to tell the installer to mount /dev/sda1 (plain ext3, non lvm boot partition) as /boot. hmpf.

So, I added the following line to "/etc/fstab":

LABEL=boot /boot ext3 defaults 0 0

and mounted it immediately:

mount /boot

Now I could do "grub-install /dev/sda" and it was successful. puh.