CentOS - Jan 2008 - Resizing a fat filesystem on a USB partition

Hi All,

I feel this is the most simple question but I am currently going around 
and round in circles and searches keep bringing me up Windows tools!! :-(

I have a 512MB USB drive that has a 12MB FAT16 partition on it.  How can 
I resize this 12MB partition to grow and fill the whole 512MB drive?

Just in case I am being stupid, here is what I am doing...  :-)
I would like a quick USB drive that a machine can boot from but will 
then load and run some custom tools we have.  I have done a...
  dd if=/mirrors/centos/5/os/i386/images/diskboot.img of=/dev/sda
... which gives the 12MB partition but now I want to grow it so I can 
then add my own apps.

Thank you very much in advance

Regards, Dan

On Jan 29, 2008 7:57 AM, Dogsbody <dan at dogsbody.org>
wrote:
> Hi All,
>
> I feel this is the most simple question but I am currently going around
> and round in circles and searches keep bringing me up Windows tools!! :-(
>
> I have a 512MB USB drive that has a 12MB FAT16 partition on it.  How can
> I resize this 12MB partition to grow and fill the whole 512MB drive?
>
AFAIK, there is no way to "resize" any FAT partition.  You have to
delete both partitions and then create a new one.

That's all.

mhr

Look for gnu parted. There are a couple of live cds out there with it, like
"Parted Magic" and others.

Parted can resize fat and ntfs file systems among others.

-Ross


----- Original Message -----
From: centos-bounces at centos.org <centos-bounces at centos.org>
To: CentOS mailing list <centos at centos.org>
Sent: Tue Jan 29 17:53:07 2008
Subject: Re: [CentOS] Resizing a fat filesystem on a USB partition

> AFAIK, there is no way to "resize" any FAT partition.  You have
to
> delete both partitions and then create a new one.
I thought the CD installer came with a utility to resize FAT partitions (albeit 
in MS DOS)?  And this isn't possible in CentOS it self?  :-/

Ho hum, thank you very much for the quick answer :-)

Dan
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Ross S. W. Walker wrote:
>
> Look for gnu parted. There are a couple of live cds out there with it, like
> "Parted Magic" and others.
>
> Parted can resize fat and ntfs file systems among others.
And Gparted provides a very partition-magic like X11 interface to parted(?),
I don't see it part of the standard CentOS 5.1 distribution, I've
only used it under Ubuntu, and it can resize FAT32/NTFS etc no
problem(not sure about FAT16).

$ apt-cache show gparted
Package: gparted
[..]
Description: GNOME partition editor
 GParted uses libparted to detect and manipulate devices and partition
 tables while several (optional) filesystem tools provide support for
 filesystems not included in libparted.

nate

> Look for gnu parted. There are a couple of live cds out there with it, 
> like "Parted Magic" and others.
> 
> Parted can resize fat and ntfs file systems among others.
Unfortunately `parted` doesn't work with this setup where the partition size
is
different to the filesystem size and throws up lots of errors.  I even tried 
downloading the latest version of parted but still no go :-/

Dan