Final step to boot from an USB hard disk?

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Date: Wed, 23 Mar 2005 07:38:50 +0100
To: Fedora List <fedora-list@redhat.com>

Following Simon's instructions ( www.simon.com/usb ):
Please note that it is an IDE hard disk in an IDE to USB box (and
working properly both in Linux and Windows...)

1) I installed Fedora on the external Hard disk, installing grub on
/dev/sda and deleting the option to start Windows as my goal is to have
a Fedora system booting any laptop!!

2) according to the instructions I created a new image

3) I modified the grub.conf file that now looks like:

#boot=/dev/sda1
default=0
timeout=5
splashimage (hd1,0)/grub/splash.xpm.gz
hiddenmenu
title Fedora Core (2.6.9-1.667)
  root (hd1,0)
  kernel /vmlinux-2.6.9-1.667 ro root=LABEL=/ rhgb quiet
  initrd /usbinitrd.img

Is it correct??

4) I rebooted the machine, but the Rescue disk tells me that there is no
Linux partitions!!!!!

5) Fdisk -p /dev/sda says:

Disk /dev/sda:81.9 GB, 81964302336 bytes
255 hads, 63 sectors/track, 9964 cyclinders
Units = cylinders of 16065 * 512 0 8225280 bytes

Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 140 1020127+ 82 Linux
swap
/dev/sda3 141 9964 78911280 83 Linux

If I manually mount the system by :
mkdir /mnt/sysimage
mount /dev/sda3 /mnt/sysimage
mount /dev/sda1 /mnt/sysimage/boot
choot /mnt/sysimage
 
6) At this point if I issue fdisk /dev/sda I get : Impossible to open
/dev/sda ??? what does it mean??

7) If I check my fstab file it looks like:

LABEL=/ / ext3
defaults 1 1
LABEL=/boot1 /boot ext3 defaults 1 2
none /dev/pts devpts
gid=5, mode=620 0 0
none /dev/shm tmpfs
defaults 0 0
none /proc proc defaults
0 0
none /sys sysfs defaults
0 0
LABEL=SWAP-sda2 /swap swap defaults 0 0

Why boot1 and not boot????

8) at this point I tried to instal grub (grub-install /dev/sda ) but I
get the reply :
/dev/sda: not found or not a block device!!!

Any help????Thanks

-- 
 Antonio M.
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• Previous message: Gene Heskett: "SA question, and yes, I've checked the SA wiki."
• Next in thread: Jim Cornette: "Re: Final step to boot from an USB hard disk?"
• Reply: Jim Cornette: "Re: Final step to boot from an USB hard disk?"
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