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Re: Grub2 on USB-Stick fails install

From: Oliver Friedrich
Subject: Re: Grub2 on USB-Stick fails install
Date: Wed, 14 Dec 2011 20:28:53 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111124 Thunderbird/8.0

On 13.12.2011 21:12, Jordan Uggla wrote:
On Tue, Dec 13, 2011 at 10:18 AM, Oliver Friedrich <address@hidden> wrote:
address@hidden:~$ sudo LANG=C parted -l
Model: Generic STORAGE DEVICE (scsi)
Disk /dev/sdb: 32.1GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags
 1      1049kB  32.1GB  32.1GB  primary  fat32

>From that, it doesn't look like you have multiple partition tables,
but you may have stale fat signatures (from previously putting a fat32
filesystem on the whole device, without any partition table) which
grub-install is seeing. When grub-install sees what looks like both a
partition table and a filesystem it can't be sure that it's safe to
embed grub. There is probably a subtler and less destructive way to
remove just the fat signatures, but if you don't mind losing the data
currently on the drive then running "dd if=/dev/zero of=/dev/sdb bs=1M
count=1" will zero the first MiB of the drive, *destroying the current
partition table and making all files on the drive currently
inaccessible*. After zeroing the first MiB of the drive you should be
able to partition it again and install grub without any problem.

Did follow your proposal with:

dd if=/dev/zero of=/dev/sdb bs=1M

and then made the filesystem directly on the device with:

mkfs.msdos -I -F 32 -n BeowulfOF /dev/sdb

Anyway, the error message is still the same if I try to install grub with:
grub-install --force --no-floppy --boot-directory=/media/BeowulfOF/boot /dev/sdc

I'm sorry, I can only provide the german error-message:
/usr/sbin/grub-probe: Fehler: cannot stat `/dev/sdc'.
address@hidden:/media/Unencrypted/stick# grub-install --force --no-floppy --boot-directory=/media/BeowulfOF/boot /dev/sdb
/usr/sbin/grub-setup: Warnung: Es wird versucht, GRUB auf einer nicht partitionierten Platte oder in eine Partition zu installieren. Das ist eine SCHLECHTE Idee..
/usr/sbin/grub-setup: Warnung: Einbettung ist nicht möglich. GRUB kann in dieser Konfiguration nur mittels Blocklisten installiert werden. Blocklisten sind allerdings UNZUVERLÄSSIG und deren Verwendung wird daher nicht empfohlen..

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