Finding /dev entry of USB disk

[Neil]

On Mon, Oct 13, 2008 at 8:18 PM, Nils Kassube <kassube at gmx.net> wrote:
> Dotan Cohen wrote:
>> Alright, even though I've done this before and I've been googleing for
>> over an hour (and I know that this is real basic stuff) I just cannot
>> get this thing formated. Why is the device not being seen? I plug the
>> USB device in, HAL automounts it (sdc), I umount it, and then I'm
>> stuck:
>>
>> hardy2 at hardy2-laptop:~$ umount /media/
>> cdrom/  cdrom0/ disk/   disk-1/
>> hardy2 at hardy2-laptop:~$ umount /media/disk-1/
>
> Maybe you should have checked first what was mounted with the command
>
> mount | grep /media/
>
>> hardy2 at hardy2-laptop:~$ sudo mkdosfs /dev/sdc
>> [sudo] password for hardy2:
>> mkdosfs 2.11 (12 Mar 2005)
>> /dev/sdc: No medium found
>
> I think you meant /dev/sdc1 instead - sdc is the entire disk with one
> partition sdc1. But you could check the existence with
>
> sudo fdisk -l
>
> And something else could have happened: if you unplugged it in the
> meantime while it was still mounted and a file was still open (e.g.
> filemanager displayed the root directory of the device) it could be sdd1
> or similar now. Therefore it is really better to check the association of
> disk and device. If you format some random device you might overwrite
> vital data.
>
>
> Nils
>
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Hi

I usually use "mount" to see what devices are actually mounted. Then I
can umount it.

Neil

-- 
There are three kinds of people: Those who can count, and those who cannot count
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