USB stick and some help with it.

[jd1008]

On 08/03/2015 04:30 PM, Polytropon wrote:
> On Mon, 03 Aug 2015 15:20:32 +0200, Bernt Hansson wrote:
>> Is it possible to make it pristine again or is it forever lost?
> What about the Q&D way of
>
> 	# newfs /dev/da1
>
> to initialize a new UFS file system (without slicing and/or
> partitioning, no matter if MBR or GPT) and then simply try
>
> 	# mount -t ufs /dev/da1 /mnt
>
> and check if it works?
>
> Keep in mind you can - after you've verified this works -
> use tunefs to optimize UFS for use on USB sticks (optimization
> selection for speed or space, reserved space, and consider
> mount options like async/noasync or atime/noatime, depending
> on your intended use).
>
> See "man newfs", "man tunefs" and "man mount" for details.
>
>
>
>
Since a CD or DVD iso was dd'ed to this stick,
OS thinks it IS an optical ROM device - and thus
not writable.
Same issue happened to me and fixed the stick
by using a linux pc to dd /dev/zero into the stick.