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SubjectRe: usb-storage: how to ruin your hardware(?)
H.Rosmanith (Kernel Mailing List) wrote:
>>>
> okidok.... I got an new flashdisk from the vendor, but managed to ruin
> it again. anyway, I also managed to repair it again. the vendor ships
> a seperate formating-tool, which will repair the device, even when you
> get "SCSI sense key errors".
>

Q for the specialists: What SCSI access can still work then? I'm
wondering if you can still write something to it. My first guess about
that vender tool was that it just writes a valid partition table to the
disk. The only problem is that you need to deduce the actual size of the
flashdisk. But that can be retrieved from some USB identification string.

But it's more likely that it just uses some propriety interface to reset
the device.

> however, I still don't understand what's going on and *why* it is not
> allowed to format the drive "at will". I'd also would like to know how
> this vendor supplied formating-tool works. Possibly some vendor-specific
> usb-commands to ... do what? hm. I can only guess.
>

You can use USB Snoopy <http://www.wingmanteam.com/usbsnoopy/> to find
out what that vendor tool (for Windows, I presume) does.

Bas.


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