[Linux-disciples] Re: /mnt/sda usb key

[Adam Rosi-Kessel]

On Tue, Oct 26, 2004 at 04:23:35PM -0400, Dylan Thurston wrote:
> On Tue, Oct 26, 2004 at 12:21:46PM -0700, karl sokol wrote:
> > Thanks to your help, so far, so good.  I have added:
> > /dev/sda1	/mnt/sda	msdos	defaults,users	to fstab and
> > can generally mount and umount.  However, there is a
> > bug(?) in konqueror in which once I view /mnt/sda and
> > then close konqueror, I get a 'device busy' error.  I
> > can manually kill the offending pid ?kdeinit:
> > konqueror -mimetype inode/directory file:/mnt/sda? but
> > this is an obvious annoyance.  My actual question is
> > broader.  Is there a way to force a umount?  
> No, you count unmount a drive until it's no longer in use, so you have
> to kill off all the processes with open files first.  'lsof' can help
> in finding such processes.

Well, there is umount -f, which is "force" unmount.  But this might only
apply to NFS mounts.  Sometimes you can force removal of the module which
is providing the device with rmmod -f (in this case, probably
usbstorage), but it's a bad idea and can destabilize your system.
-- 
Adam Rosi-Kessel
http://adam.rosi-kessel.org
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