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Installing from a USB keydrive fails at grub-install



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Hello,

today I made a installation of Lenny rc1 from a USB key (using hd-media
and the lenny rc1 netinstaller iso on amd64).

I had the following drives:

/dev/sda => which was the USB key medium from which I installed Debian
/dev/cciss/c0d0 => a 250 GByte RAID 1
/dev/cciss/c0d1 => a 5 GByte RAID 5

I selected the manual partioning method and just touched dev/cciss/c0d0
with the following setup:

	pt1: /boot - ext3 - bootable flag
	pt2: swap  - swap - nothing
	pt3: /	   - ext3 - nothing special

The installation itself went fine and it also *seems* like grub
installed fine, but after rebooting the server everything went bad.

I found out that grub detects the following device.map:

(hd0) /dev/sda
(hd1) /dev/cciss/c0d0
(hd2) /dev/cciss/c0d1

And the installer so on installs grub to (hd0), with the following
consequences:

1. The USB key was not useable anymore, it has to be recreated
2. The installed system itself has not a bootloader

The only way to get this setup working was:

a) At the end of the installation switching to a vt
b) binding and chrooting
c) editing the device.map
d) re-run grub-install
e) editing the menu.lst of grub

First I want to discuss this behaviour before I report it as a bug - in
my eyes it is a RC one.

I think for such setups are two possible solutions, but I also think
both should be set up:

	1) just install the bootloader to the "bootable" one partition
	2) grub-install should also try to detect if the detected medium
	   (in this case dev/sda) is maybe the installation medium, and
	   so on this one should be completly ignored

I think the a) to b) steps could not be easily solved by non-experienced
users, because they have to detect the error, know how grub works and
they also have to be able to fix it.

What do you think?

Please CC me, I am not subscribed.

- --
/*
Mit freundlichem Gruß / With kind regards,
Patrick Matthäi

E-Mail: patrick.matthaei@web.de

Comment:
Always if we think we are right,
we were maybe wrong.
*/
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