Trick with USB drives

[Matt Zimmerman]

On Mon, Apr 04, 2005 at 05:53:15PM +0300, ZIYAD A. M. AL-BATLY wrote:

> On Mon, 2005-04-04 at 01:50 -0400, Matt Patterson wrote:
> > I don't know if anyone has ever had this, but...If you have for example 
> > a usb stick drive plugged in and mounted, but you forget and unplug it, 
> > then sometimes you can't unmount it. You definitely can't unmount it 
> > unless you plug the stick back in. The trick is to use the mknod command 
> > to create in the /dev/ directory a node identical to the one that was 
> > there when the device was connected, then unmount the drive. Then you 
> > can delete the node you created.
> > 
> > I have a flky usb card so I have this a lot, this is the best solution I 
> > have found.
> > 
> > Matt
> 
> I don't think this is a good thing to do in such cases.  If this ever
> happened to you again, try 'umount -r -l /dev/media_node'.

The system automatically attempts this when it notices that a device is
unplugged; if it is not noticing that the device is unplugged, there is
likely a bug present.

-- 
 - mdz