On Thu, 10 Jun 2004, Rita Gibson wrote:

> Hello everyone:
> 
> I am fairly new to this list, just subscribed a few days ago.
> 
> I work at a school and we run k12ltsp. Most of our equipment is old most 
> don't even have usb ports.. Currently kids carry their work back and 
> forth via floppy or send it to themselves via email. Floppies are very 
> unreliable, and sometimes the kids have powerpoint or multimedia 
> projects that are too big for a floppy. I do have a stand-alone linux 
> machine with front-access usb ports and we'd like for kids next year to 
> be able to copy their homework from a usb pen drive to their home 
> directories by logging into this stand-alone machine, and inserting 
> their usbstick/usb pen drive and copying their updated work.. The 
> challenge to this, if I understand this correctly, is that every pen 
> drive is configured as a different scsi device. The first one is sda, 
> the next sdb. This is what works so far: 

I don't know if it's practical for you to do this, but another approach is
to rmmod the appropriate drivers each time a USB pen drive is unplugged.  
It may be enough to rmmod the usb-storage driver, or you may also have to
rmmod the sd-mod and scsi-mod drivers.  But when the drivers are
automatically reloaded (when the next pen drive is plugged in), the device
numbering will start over again from /dev/sda.

Alan Stern



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