Hi Erica, and welcome. You have come to the right list.

'lsof' will show you what prgrams are accessing the zip driver

Here is a quick example using a cdrom (expect similar behaviour for the
zip). In this case, as soon as I mount the cdrom, vmware/windows starts
using it. lsof reports this nicely

[root@kanga iso]# lsof /mnt/cdrom  
[root@kanga iso]# mount /mnt/cdrom
[root@kanga iso]# lsof /mnt/cdrom
COMMAND   PID USER   FD   TYPE DEVICE SIZE   NODE NAME
vmware  11890 root   11r   BLK   11,1      181956 /dev/scd1
[root@kanga iso]# umount /mnt/cdrom
[root@kanga iso]# lsof /mnt/cdrom
[root@kanga iso]#

I doubt your version of mount is to blame. Try lsof.

hth
charles

On Tue, 24 Apr 2001, Erica B. Tanner wrote:

> Hello Redhat community!  I am new to this list and hope it's the right
> list for the question I have.
> 
> I just reinstalled Redhat 7.0 after a system crash and just finished
> patching my box.  I am now having problems umounting my zip disks.
> Every flavor of umount that I use, even -f, gives me a 'busy' error,
> even though I know nothing is using it.  I had to boot to run-level 1 to
> unmount the thing.



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