Re: mount: no medium found ?

oh, btw, with the start_stop_unit with byte 4 set to 2, you will get a
scsi sense error, but it still works.

On Mon, 2003-09-15 at 10:25, James S. White wrote:
> Crap. I read this in the documentation and apparently my brain locked up.
> Thanks for the swift kick in the pants.
>
> --------------------------------------------------------------
> James S. White GAPS Incorporated
> james@jameswhite.org Electrical Engineer - Etc.
> http://www.jameswhite.org Caffeine is my anti-drug.
> --------------------------------------------------------------
> I can picture in my mind a world without war, a world without hate.
> And I can picture us attacking that world, because they'd never expect it.
> -Jack Handy
>
> On 15 Sep 2003, Dan Dennedy wrote:
>
> > On Sun, 2003-09-14 at 02:24, James S. White wrote:
> > > I finally got the powerfile c200 jukebox to change disks. But now I cannot
> > > mount drives in the jukebox. Whenever I "mount /dev/scd0 /dvd/0" I get a
> > > "mount: No medium found" and the following in the kern.log:
> > >
> > > Sep 14 01:06:17 discovery vmunix: cdrom: open failed.
> > >
> > > Neither drive will mount on the jukebox under linux, but the same disks will
> > > mount when the jukebox is attached to a windows box running Powerfiles Media
> > > Explorer.
> > >
> > > I also compiled 2.4.22 with the subversion snapshot tarball:
> > > http://www.linux1394.org/viewcvs/ieee1394/branches/linux-2.4/ieee1394_2.4.tar.gz?tarball=1 from Sep 13 and had the same results.
> > >
> > > Does anyone have any insights on this?
> >
> > You need to send a SCSI START_STOP_UNIT request with the eject option to
> > make it recognize new media. Then, send the same request as is (stop
> > unit?) to spin-down the media before transfering it out of the drive. If
> > you use the mtx utility, look at the mtxl.c:Eject() function. Set byte 4
> > to 2 for the eject option or set byte 4 to 0 for the stop option.
> >
> >
>

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Received on Mon Sep 15 16:41:45 2003