Reformatting a USB stick that shows up as two devices?

Adam Funk a24061 at
Thu Nov 20 16:29:13 UTC 2008

On 2008-11-20, Chris G wrote:

> On Thu, Nov 20, 2008 at 01:31:19PM +0000, Adam Funk wrote:

>> I typed some of that wrong.  It shows up as two devices, /dev/sdc and
>> /dev/sdd, and each has its own single partition, /dev/sdc1 and
>> /dev/sdd1, respectively.

>> On 2008-11-20, Carl Friis-Hansen wrote:
>> > Normally yes.
>> > You could use fdisk or gperted to repartition the whole stick to 
>> > whatever file system you prefer.
>> I don't see how to use those tools to merge the two devices together,
>> since they work on only one device at a time.
>> It may be that what I'm asking for is impossible --- is that the case?
> Are you absolutely sure that it shows up as two devices?  If you
> remove the USB stick do both /dev/sdc and /dev/sdd disappear?  If they
> don't then remove them 'manually' using umount.
> When both /dev/sdc and /dev/sdd have gone (with the USB stick
> unplugged) plug it back in carefully and see if you really get both
> devices back.

Yes, they both appear when I plug it in, and both disappear when I
unplug it.

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