Public bug reported:

Binary package hint: debian-installer

Ubuntu 9.10 server install CD, amd64.

I have 7 hard disks which were detected as sda->sdg.  sda->f are part of
a RAID-5 volume, the entire disk is used and there is no partition
table.

I installed to paritions on /dev/sdg, and at the end of the installation
grub-install "(hd0)" was run automatically.

grub's device map is:

(hd0)->sda
(hd1)->sdb
...
(hd6)->sdg

this caused:

a) grub not to be installed on the boot disk leaving the system unbootable;
b) data corruption on the RAID set as grub does not like unpartioned disks.   
It reports:

Attempting to install GRUB to a partitionless disk.  This is a BAD idea.

and then continues anyway, scribbling over some random sectors.

** Affects: debian-installer (Ubuntu)
     Importance: Undecided
         Status: New

-- 
grub installs to "(hd0)" without asking which can cause data corruption
https://bugs.launchpad.net/bugs/512074
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