Packet writing using udftools

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Packet writing using udftools

Postby Kevin1 » 2017-03-20 14:14

Running Jessie 8.7.1 .
My attempt to set up packet writing on a DVD+RW disk using UDF has failed.
I did the following.

Installed dvd+rw-tools and udftools.

Inserted DVD.

Followed instructions in /usr/share/doc/udftools/README.Debian:

Edited /etc/default/udftools adding drive for packet writing by inserting DEVICES=/dev/sr0.
Then to register the device executed
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sudo /etc/init.d/udftools start

Output was:
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Starting udftools packet writing:
/dev/pktcdvd/0=/dev/sr0

Prepared disk by executing
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dvd+rw-format -force /dev/sr0

This completed without error.
Wrote an empty session spanning the whole medium by executing
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growisofs -Z /dev/sr0=/dev/zero

This ended with
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4682219520/4700372992 (99.6%) @2.4x, remaining 0:05 RBU 100.0% UBU  58.9%
4693229568/4700372992 (99.8%) @2.4x, remaining 0:02 RBU 100.0% UBU  58.9%
:-[ WRITE@LBA=230540h failed with SK=5h/LOGICAL BLOCK ADDRESS OUT OF RANGE]: No space left on device
:-( write failed: No space left on device
/dev/sr0: flushing cache
/dev/sr0: stopping de-icing
/dev/sr0: writing lead-out
/dev/sr0: reloading tray

Hoping that this error was not important I continued to create the UDF file system by executing
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sudo mkudffs --udfrev=0x0150 --spartable=2 --media-type=dvdrw /dev/pktcdvd/0

which completed without error.
Executed
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sudo mkdir /media/dvd0

Then
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sudo mount -t udf -o rw,noatime /dev/pktcdvd/0 /media/dvd0

This returned
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mount: wrong fs type, bad option, bad superblock on /dev/pktcdvd/0,
       missing codepage or helper program, or other error
       In some cases useful info is found in syslog - try
       dmesg | tail or so.


dmesg | tail output included
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[24501.442533] UDF-fs: warning (device pktcdvd0): udf_load_vrs: No VRS found
[24501.442545] UDF-fs: warning (device pktcdvd0): udf_fill_super: No partition found (2)
[24602.019218] pktcdvd: pktcdvd0: write speed 5540kB/s
[24610.842967] pktcdvd: pktcdvd0: 4590208kB available on disc

The output of mount did not include sr0 or pktcdvd0 or /media/dvd0.
lsblk output included
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sr0        11:0    1   4.4G  0 rom   
pktcdvd0  253:0    1   4.4G  0 disk


Any ideas as to why this recommended procedure is not working?
Is anyone successfully packet writing to DVD+RW disks?
Kevin1
 
Posts: 20
Joined: 2014-12-23 22:34

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