On Fri, 17 Oct 2008, Rogério Brito wrote:

> Hi, Cristian.

Rogério,

> On Oct 15 2008, Cristian Ionescu-Idbohrn wrote:
> > Therefore it might be a good idea to validate that in
> > /etc/usbmount/mount.d/00_create_model_symlink, for example:
>
> Your suggestion is sound. Can you please show me a situation where
> usbmount is failing to point to the right location (I have never
> seen it before, as I have just adopted this package)?

Now, this may be difficult to reproduce, but I'll try to explain the
circumstances.  I'll also be speculating a little because I'm not 100%
sure about the course of events.

Suppose you go an usb-stick with 2 partitions: 1st vfat and 2nd ext3.
You install package usbmount and don't configure anything.

With the current default configuration, the ext3 partition will be
recognized but the vfat one will not.  /dev/sdX2 (ext3) will be
mounted on /media/usb0 and the symlink /var/run/usbmount/<whatever>_2
will point to /media/usb0.

Next, you adjust /etc/usbmount/usbmount.conf to cope with vfat
partitions too.  Disconnect the usb-stick and reconnect it after a
moment.  This time /dev/sdX1 (vfat) will be mounted on /media/usb0 and
/dev/sdX2 (ext3) on /media/usb1.  The script will detect the symlink
/var/run/usbmount/<whatever>_2 (ext3) already exists and do nothing,
although the symlink this time points to the wrong mount point
/media/usb0 on thich the vfat partition is no mounted.

> If possible, it would be more desirable to create the symlink
> correctly than to remove the symlink (which would a reasonable
> workaround, but the former solution would be preferrable).

Yes.  But that may be difficult, if not imposible.  See the scenario
above.

> Oh, and thanks for using usbmount!

Cheers,

> Regards, Rogério Brito.
>
> P.S.: There may also be a race condition on the creation of the
> symlink, if the computer is loaded enough. I still have to check
> that carefully.

Right.


-- 
Cristian



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