Mounting data DVDs?
Andrew L. Gould
algould at datawok.com
Thu Feb 16 12:47:53 PST 2006
On Thu, 16 Feb 2006 12:38:45 -0800
"Ronald F. Guilmette" <rfg at monkeys.com> wrote:
> I know that I'm very late to the party, but I just recently bought and
> installed my first ever DVD burner.
> The burner is installed on a system that I have set up to dual boot
> to either FreeBSD 5.2.1 (yea, I know, that's ancient) or else to
> Windoze ME.
> So anyway, yesterday I followed all of the instructions located at:
> in order to create and install a fresh kernel that would have all of
> the required stuff in it to be able to burn data DVDs.
> I then burned my first ever data DVD... made from some data I had
> that I wanted to make a backup of.
> All went smoothly. So far, so good.
> The tricky part came when I then went to _mount_ my freshly burned DVD
> onto FreeBSD. (I wanted to do this just in order to verify that the
> data had in fact successfully been burned onto the DVD.)
> Unfortunately, try as I might, I couldn't fingure out how to just
> simply mount the burned DVD onto the FreeBSD system. I tried both:
> mount -t cd9660 /dev/cd0 /mnt
> which yielded only the error message:
> cd9660: /dev/cd0: Device not configured
> and I also tried:
> mount -t cd9660 /dev/acd0 /mnt
> which yielded the error:
> cd9660: /dev/acd0: Input/output error
> OK, so what am I doing wrong?
> Note that I have attached the relevant portion of my dmesg output at
> the end of this message... just in case that might be useful in
> diagnosing this problem.
> The REALLY funny thing about all this is that I am 100% sure that the
> DVD in question *did* get properly burned, because I can reboot this
> same system into Windows ME, and then, Windows ME has no trouble at
> all seeing either the DVD or all of the files that I burned onto it.
> So basically, I can _burn_ a DVD under FreeBSD... I just can't figure
> out how to use it on FreeBSD, once it has been successfully burned.
> Sound I just ungrade to something a bit fresher than 5.2.1, or does
> that make any difference at all?
> Any help appreciated.
> dmesg stuff:
> ata1-master: DMA limited to UDMA33, non-ATA66 cable or device
> acd0: DVDR <LITE-ON DVDRW SOHW-1673S> at ata1-master UDMA33
> GEOM: create disk cd0 dp=0xc2d81e00
> cd0 at ata1 bus 0 target 0 lun 0
> cd0: <LITE-ON DVDRW SOHW-1673S JS05> Removable CD-ROM SCSI-0 device
> cd0: 33.000MB/s transfers
> cd0: Attempt to query device size failed: NOT READY, Medium not
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Can you mount CD's? If so, pretend it's a CD. If you have an entry
in /etc/fstab to mount a CD to /cdrom, then execute:
Best of luck,
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