USB drive serial numbers

[Sean Bruno]

>
> 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