Create a bootable partition on a USB disk

[Andrew Farris]

> Fred Roller wrote:
> > 
> > Garfield071 wrote:
> >> Hi,
> >>
> >> I want to boot Ubuntu from my 550 gig usb disk. My disk has been initialy
> >> partiotionned with only one big partition. I have created a new NTFS
> >> partition on the disk for this purpose with GPartEd. I have shrink the
> >> current partition to free 50 Gig at the end of the disk and created the
> >> new
> >> partition in this space. I have formatted it in NTFS format.
> >>
> >> The problem is the "USB Startup Disk creator tool" doesn't see this new
> >> partition. It sees only the old one. What do I have to do to make this
> >> partition available for boot.
> >>
> >> Thank you.
> >>
> >>
> >>
> >>   
> > Unless you have the ntfs tools:
> > 
> > sudo apt-get install ntfs-3g
> > 
> > Your system will not recognize the windows file system "ntfs".  reformat 
> > to ext3, which you need for linux OS any ways. (there are others, but 
> > ext3 is what I use.)
> > 
> > sudo mkfs.ext3 /dev/sdb1
> > 
> > where sdb is the device of your usb harddrive and the 1 is the number of 
> > the partition you want to format.  *DOUBLE CHECK THIS* don't want you 
> > reformatting your main drive. ;-)
> > 
> > Mine looks like:
> > 
> > froller at metis:backups$ ls /dev/sd*
> > /dev/sda  /dev/sda1  /dev/sda2  /dev/sda3  /dev/sda4  /dev/sdb  
> > /dev/sdb1  /dev/sdc  /dev/sdc1
> > 
> > dev sdc is my usb drive:
> > 
> > froller at metis:backups$ df -h
> > Filesystem            Size  Used Avail Use% Mounted on
> > [snip]
> > /dev/sdc1             112G  191M  112G   1% /media/MERCURY_120
> > 
> > 
> > 
> > Once it's done formating, unplug and replug the drive in the usb port.  
> > The system should automount and the USB Start Up Creator should 
> > recognize it now.
> > 
> > Fred
On Fri, 2009-09-04 at 08:08 -0700, Garfield071 wrote: 
> Fred,
> 
> What I don't understand is my NTFS partitions is recognized by the system. I
> am able to create and delete files in it. But"USB Startup Disk creator "
> tool doesn't list it in the available partition. It list only the first
> partition wich also NTFS.
> 
> Thx
> 

Please don't top-post. Thanks :)  (note, I moved your comment for
others' sake)

It could be that the startup disk creator tool can't handle a 'USB disk'
with multiple partitions. I'm not sure as I've never tried it, and a
quick google search didnt turn up much of interest...


-- 
Andrew
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