Subject: Re: USB ZIP driver improvements
To: Justin T. Gibbs <email@example.com>
From: Lennart Augustsson <firstname.lastname@example.org>
Date: 09/13/1999 00:55:17
"Justin T. Gibbs" wrote:
> > > For Mass Storage Devices an alternative would be not to detach the
> > > device at once, but hope that it will reappear shortly. The serial number
> > > of the device can be used to detect if the same device reappears.
> >Two problems:
> > What happens if the device never comes back?
> > What about other SCSI disks (like ones plugged into PCMCIA cards)
> > which don't have this serial number facility?
> Further, the serial number is almost never associated with the
> actual media, but with the physical device. This means that the
> serial number you get back is usually worthless for removable
> media devices. You really need to tag the media if you want to make
> this work.
Absolutely, but there are a number of non-removable USB disk available.
As for removable ones I'm sure you could come up with some "fingerprint"
from the superblock.