Create a bootable partition on a USB disk

[Garfield071]

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

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
> 
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