Flash drive device name difficulties.

[Robert Marella]

On Mon, 17 Oct 2005 22:34:43 +0930
Malcolm Kay <malcolm.kay at internode.on.net> wrote:

> On Mon, 17 Oct 2005 02:29 pm, Robert Marella wrote:
> > On Sun, 16 Oct 2005 15:54:23 +0930
> >
> > Malcolm Kay <malcolm.kay at internode.on.net> wrote:
> > > I am running FreeBSD 5.4 RELEASE.
> > > I recently aquired a 256M USB flash drive
> > > which the system recognises when plugged in;
> > > and I can mount and use it -- all working well.
> > >
> > > But now I'd like to make it available to a user
> > > or group of users through mtools. To do this I need
> > > to change the permissions on /dev/da0s1 where the
> > > flash drive msdos partition appears. This I can make happen
> > > automatically using /etc/usbd.conf by adding the lines:
> > >
> > > device "RunDisk"
> > >         vendor  0x0ef5
> > >         product 0x2366
> > >         attach "sleep 1; /bin/chmod g+rw /dev/da[0-9]*"
> > >
> > > giving members of the operator group access.
> > > But this changes permissions on all "da[0-9]" devices.
> > > I know the man pages suggest ${DEVICENAME} to obtain the
> > > particular device but this doesn't work here because usbd
> > > sees the device as "umass0" which doesn't appear in /dev/*.
> > >
> > > For the moment this is the only device I have appearing
> > > in the "da*" group so the problem is not immediate/urgent.
> > > But is there some way I can extract the specific "da*"
> > > device name to use in the attach statement or is there some
> > > way I can make the flash drive always pop up at a specific
> > > da name.
> > >
> > > I've also taken a look at devd.conf but the documentation
> > > here seems somewhat sparse.
> > >
> > > You consideration is appreciated,
> > >
> > > Malcolm Kay
> >
> > Hello Malcolm
> >
> > I don't know anything about mtools but you can check this link
> > regarding user mounting of 'da*' devices. Also have a look at
> > 'man devfs.rules' and 'man devfs.conf'
> 
> I don't actally find devfs.rules or devfs.conf in the man pages;
> (perhaps these are an addition in STABLE or 6.0) however 
> devfs(5) and devfs(8) and the files themselves shed some light 
> on the matter. While the information seems a bit sketchy in parts 
> I think it will get me somewhere near where I want to be.

Mea Culpa. I have 2 boxes running 6 RC1 and 2 running 5.4 P7. The man
pages are only on the 6 RC1 systems. 

I also could not get a display from the man pages on the web site.

> 
> Thanks for your time and assistance,

You are welcome.

Robert

> Malcolm Kay
> >
> > http://lists.freebsd.org/mailman/htdig/freebsd-questions/2004-
> >November/064237.html
> >
> > Good luck
> >
> > Robert