[28041] in resnet
Re: Extract a partition from a USB Stick
daemon@ATHENA.MIT.EDU (Keenan Parmelee)
Thu Oct 25 21:57:32 2012
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Message-ID: <20121026015722.GH32224@hal.rescomp.berkeley.edu>
Date: Thu, 25 Oct 2012 18:57:22 -0700
Reply-To: Resnet Forum <RESNET-L@listserv.nd.edu>
From: Keenan Parmelee <keenanp@rescomp.berkeley.edu>
To: RESNET-L@listserv.nd.edu
In-Reply-To: <CANtPpk5LUg11oVGH-5cdLufxf24qNbDBCkmXbyCoxHTbaUXeqw@mail.gmail.com>
Hi Mike,
I've never actually done what you're asking, but I can certainly see the utility
in it. So, I searched a bit on pendrivelinux.com, and found some info which may
or may not help.
http://www.pendrivelinux.com/how-to-create-a-larger-casper-rw-loop-file/
Basically, if you used a utility to create the Persistent USB stick, then it
will have a file used to store the persistent state. That file is going to be
limited by the file system format, likely FAT32, so you won't be able to go over
~4GB.
Of course, if you simply installed your Linux OS on a USB stick like it was a
hard drive, you could resize the partitions using a utility called
parted/gparted, but I don't think that's the case here...
Your mileage may vary, make sure you backup anything you need backup before
proceeding with the instructions there. Let me know if it does work for you,
though.
-Keenan
On 20:26 Thu 25 Oct , Mike King wrote:
> We have a Live Linux USB stick we use, and it was originally created on a
> 4GB USB Stick (2GB windows mountable partition, that is also mounted in the
> 700MB Linux partition for persistent storage).
>
> We don't have to original Live CD ISO any more. Before we go and try an
> re-create it, is there a way to extract this 700MB Linux partition, so we
> could load it onto a larger stick? (Currently we've been just imaging the
> USB stick onto larger capacities, but we'd like to utilize the large space
> we've been buying.
>
> Mike
>
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--
Keenan Parmelee
Technical Services Manager
Student Affairs Information Technologies
(510) 643-9937
http://rescomp.berkeley.edu
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