Re: [SLE] 80 Gb USB Hard-disk on a P3 Notebook



To be able to boot of a usb drive you have to change the boot order. I
have been able to boot my hp dv4000 with damn small linux. However for
working with grub,I believe grub would have to be installed onto the
main hd. And you would have to edited it manually to load the kernel
from usb. It maybe easier to part the main hd into two segments and map
the home drive and the windows desktop settings to the usb drive.


On Fri, 2006-09-08 at 18:26 +0200, Catimimi wrote:
Rylan Cottrell a écrit :
Check to make sure the usb is 2.0, and probably the easiest way to test
is to put damn small linux on a thumb drive and see if the computer will
boot of that.

On Fri, 2006-09-08 at 20:45 +0530, Puneit Singh wrote:

Hi,
I know this is a query which should not be posted in this mailing list as it
is not related to SUSE. So, excuse me for that.
My friend has a IBM Notebook with a 15 GB internal hard-disk. He is planning
to buy an external 80 GB USB harddrive. Will using such a hard-disk cause
problems, like slowing of the OS or anything like that. The box has a 256 MB
RAM.
And can he install Linux as an operating system on that 80 GB with windows on
the internal drive. Is such a combination possible?







Hi,
I tried such an experience this week with a HP ZD8000 laptop.

I tried to install windows and GRUB on the computer's hard disk and
Linux on the USB
disk, I met two difficulties :

1° Linux SuSE 10.1 installs very well, boots from the DVD with the
option "boot the
installed system", but doesn't boot by itself, the problem is that USB
disks are not
detected enough early in order to be mounted in time by the boot
scripts, so BOOT failed.

2° I was able to install GRUB on hda with SuSE on sda but neither with
Yast nor with
grub-install, I had to use grub specific commands : root, find and setup

So this way could be usable but I've to modify the scripts embedded in
initrd in order
to wait for usb detection and to fill the dev folder ....too lazy ??

I didn't yet try to boot the computer from the usb disb (it is able to
boot from usb) and to
see if all its partitions are detected by the kernel, but I don't
believe that !! I think I'll meet
the same problem.

So at this time I installed a small part of windows and of Linux on the
first disk with GRUB and the
remainder on the usb disk. But take care if as myself you use 2 usb
disks, they could be called
either sda or sdb and fstab won't be able to work. So use in fstab the
/dev/disk/by-id/nnn
names, and it works. I'm even able to have the vmware partition on the
usb disk if I use these
names. Furthermore I wrote a script in order to mount some linux
partitions after completion
of the usb and udev work.

It's somewhat complicated but it works, I'm ready to adopt any other
better solution.

Michel.








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