Brian Henning wrote: > % cdrecord -dev=/dev/cdrom1 -verbose -dao -driveropts=burnfree staging.ext2 > ...no errors. But again, fixating seemed to take a terribly short time. >
Looks to me like you did everything properly :). > % mount -t ext2 /dev/cdrom1 /cdrom > mount: block device /dev/cdrom is write-protected, mounting read-only > mount: wrong fs type, bad option, bad superblock on /dev/cdrom, > missing codepage or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > > ...Taking its advice, > % dmesg | tail > attempt to access beyond end of device > hda: rw=0, want=8, limit=4 > EXT2-fs: Couldn't read superblock on 2nd try. > What do you get if you try mounting a blank piece of media? What does cdrecord -atip say about the media? I am not sure if -atip gives the information I am curious about... dvd+rw-tools comes with dvd+rw-mediainfo. It tells you all kinds of useful stuff, including how many sessions have been burned. > I'm really pulling my hair out here. Yes, I've tried different drives > in different machines. The messages in dmesg are the same both places. > It's this "attempt to access beyond end of device" business that has > me really wondering... something about the burned disc is causing the > drive to not report its size correctly. > > Is there something special I need to tell the cdrecord command to make a > dual-layer DVD+R burn correctly? > I can't say for sure, because I haven't burned a dual layer disc yet. The media is too expensive for me to bother with when I can just split my files on to two discs. Have you tried burning a single layer disc? Or burning at a lower speed? > CD-RWs work perfectly in the drive, burning and mounting. > > ~Brian Pat
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