Reading DVD+RW udfs media on Sun DVD (Toshiba)

From: David Foster (foster@dim.ucsd.edu)
Date: Fri May 16 2003 - 14:04:55 EDT


We're using Sun's DVD-R drives (Toshiba SD-M1401 Revision: 100)
and can read both DVD-R[W] and DVD+R media fine, in both hsfs and
udf formats.

But I can't get DVD+RW media in udf format to mount, I get the dreaded:

cressida:/home/foster) mount -F udfs -o ro /dev/dsk/c0t6d0s0 /mnt
mount: /dev/dsk/c0t6d0s0 is already mounted, /mnt is busy,
        or allowable number of mount points exceeded
        
(none of these conditions are true, and I get the same thing using -o rw).

According to a hardware compatibility list I found:

http://www.dvdplusrw.org/resources/compatibilitylist_dvdvideo.html

I should be able to read DVD+R and DVD+RW media in my Toshiba drive.

Anyone else having this problem?

Interestingly, when we mount DVD+R udf media in these drives
it gets mounted 444...any idea why? This is most unfriendly!

Thanks and I'll be sure to summarize.

Dave Foster

  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
   David Foster National Center for Microscopy and Imaging Research
    Programmer/Analyst University of California, San Diego
    dfoster[at]ucsd[dot]edu Department of Neuroscience, Mail 0608
    (858) 534-7968 http://ncmir.ucsd.edu/
  =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

   "The reasonable man adapts himself to the world; the unreasonable one
   persists in trying to adapt the world to himself. Therefore, all progress
   depends on the unreasonable." -- George Bernard Shaw
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