USB drive serial numbers

[Scott Long]

Sean Bruno wrote:
> 
>>
>> A thumb drive that I have lying around has the same problem, it ignores
>> the EVPD bit and happily returns std inq data for all requests.  An
>> ATA->USB+Firewire enclosure works correctly; it doesn't support any
>> VPD pages, but returns a sense error in response, as it should.  Given
>> that Firewire is more explicit in its implementation of SBP/SPC, I'm not
>> too surprised that it worked correctly (I tested this over the USB port,
>> though).  I have another ATA->USB enclosure lying around, but I can't
>> find the power cord for it right now.
>>
>> Scott
>>
> 
> Interesting.  Is there some other method that could be used to 
> "identify" drives
> in the system?
> Sean

I think the only option is to do a std inq followed by an EVPD inquiry
and bcmp the results.

Scott